/* roulang page: index */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid rgba(47, 107, 174, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-item {
            position: relative;
        }

        .nav-item > a,
        .nav-item > button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-item > a:hover,
        .nav-item > button:hover,
        .nav-item > a:focus-visible,
        .nav-item > button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }

        .nav-item.active > a {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-dropdown-toggle {
            gap: 4px;
        }

        .nav-dropdown-toggle .chevron {
            font-size: 11px;
            transition: transform var(--transition);
            display: inline-block;
        }

        .nav-item:hover .nav-dropdown-toggle .chevron,
        .nav-item:focus-within .nav-dropdown-toggle .chevron {
            transform: rotate(180deg);
        }

        .dropdown-menu {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            min-width: 190px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px 6px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(6px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 20;
        }

        .nav-item:hover .dropdown-menu,
        .nav-item:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-menu a {
            display: block;
            padding: 9px 14px;
            font-size: 14px;
            color: var(--text);
            border-radius: 6px;
            transition: background-color var(--transition), color var(--transition);
        }

        .dropdown-menu a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(47, 107, 174, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 17px;
            transition: background-color var(--transition), transform var(--transition);
        }

        .search-btn:hover {
            background: rgba(47, 107, 174, 0.12);
            transform: scale(1.05);
        }

        .search-expand {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 220px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-expand input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .search-expand input::placeholder {
            color: var(--text-muted);
        }

        .search-expand:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: rgba(47, 107, 174, 0.06);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            cursor: pointer;
            transition: background-color var(--transition);
        }

        .hamburger:hover {
            background: rgba(47, 107, 174, 0.12);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            overflow-y: auto;
            padding: 20px 24px 40px;
            border-top: 1px solid var(--border);
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu .mobile-nav-item {
            border-bottom: 1px solid var(--border);
            padding: 6px 0;
        }

        .mobile-menu .mobile-nav-item > a,
        .mobile-menu .mobile-nav-item > button {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 4px;
            font-size: 17px;
            font-weight: 600;
            color: var(--heading);
            background: transparent;
            cursor: pointer;
            width: 100%;
            text-align: left;
        }

        .mobile-menu .mobile-nav-item > a:hover,
        .mobile-menu .mobile-nav-item > button:hover {
            color: var(--primary);
        }

        .mobile-submenu {
            padding-left: 16px;
            padding-bottom: 8px;
        }

        .mobile-submenu a {
            display: block;
            padding: 10px 4px;
            font-size: 15px;
            color: var(--text);
            border-radius: 6px;
        }

        .mobile-submenu a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: calc(var(--header-height) + 50px) 0 70px;
            background: linear-gradient(180deg, #EDF4FB 0%, var(--bg-blue) 55%, #DCE8F5 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/fffa050cfd93aa26.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(237, 244, 251, 0.55) 0%, rgba(234, 243, 251, 0.35) 50%, rgba(220, 232, 245, 0.65) 100%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            letter-spacing: 0.4px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.4); opacity: 0.7; }
        }

        .hero-title {
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--heading);
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(232, 163, 61, 0.28);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            max-width: 760px;
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text);
            margin: 0 auto;
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            width: 100%;
            max-width: 820px;
            margin-top: 8px;
        }

        .metric-item {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .metric-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .metric-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .metric-number .unit {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: background-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(47, 107, 174, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(47, 107, 174, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 16px rgba(232, 163, 61, 0.22);
        }

        .btn-accent:hover {
            background: #cf8d2b;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(232, 163, 61, 0.3);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13.5px;
            border-radius: 8px;
        }

        /* ========== Sections ========== */
        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-blue);
        }

        .section-white {
            background: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header.left {
            text-align: left;
            margin-bottom: 28px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(27, 143, 158, 0.08);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 32px);
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--heading);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto;
            line-height: 1.75;
        }

        /* ========== Brand intro ========== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }

        .brand-intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 16px;
        }

        .brand-intro-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            margin-bottom: 12px;
        }

        .brand-intro-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 300px;
            box-shadow: var(--shadow-lg);
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* ========== Category entry ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .category-entry-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text);
        }

        .category-entry-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-dark);
            color: var(--text);
        }

        .category-entry-card .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(47, 107, 174, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            font-weight: 700;
        }

        .category-entry-card .entry-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--heading);
        }

        .category-entry-card .entry-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== Service matrix ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-dark);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card .service-icon {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(47, 107, 174, 0.07);
            border-radius: var(--radius-md);
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ========== Featured cards ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .feature-card .card-img {
            height: 180px;
            background: #E8F0F7;
            position: relative;
            overflow: hidden;
        }

        .feature-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
        }

        .feature-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .feature-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.45;
        }

        .feature-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .card-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition), color var(--transition);
        }

        .card-link:hover {
            gap: 9px;
            color: var(--primary-dark);
        }

        /* ========== News list ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: transform var(--transition), box-shadow var(--transition);
            align-items: center;
        }

        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            width: 140px;
            height: 96px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #E8F0F7;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-date {
            font-size: 12.5px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .news-title {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.5;
        }

        .news-summary {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .card-link {
            flex-shrink: 0;
            align-self: flex-start;
            margin-top: 6px;
        }

        /* ========== Ranking ========== */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .ranking-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

        .ranking-panel .ranking-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .ranking-panel .ranking-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
        }

        .ranking-panel .ranking-header .badge-tag {
            padding: 5px 12px;
            background: rgba(232, 163, 61, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 6px;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            background: var(--bg);
            border-radius: 6px;
        }

        .rank-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .rank-number.top1 {
            background: #FDF6E3;
            color: #b8741a;
        }
        .rank-number.top2 {
            background: #EDF2F7;
            color: #4a5870;
        }
        .rank-number.top3 {
            background: #F7E9D5;
            color: #a8621a;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
        }

        .rank-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        .rank-score {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
        }

        /* ========== Case evidence ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .case-card .case-img {
            height: 160px;
            background: #E8F0F7;
            position: relative;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .case-tag {
            position: absolute;
            bottom: 10px;
            left: 10px;
            padding: 5px 12px;
            background: rgba(20, 38, 60, 0.75);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: #fff;
        }

        .case-card .case-body {
            padding: 18px 20px;
        }

        .case-card .case-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 6px;
        }

        .case-card .case-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== Data dashboard ========== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dashboard-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .dashboard-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .dashboard-card .dash-icon {
            font-size: 30px;
            margin-bottom: 10px;
        }

        .dashboard-card .dash-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .dashboard-card .dash-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .dashboard-card .dash-extra {
            font-size: 12.5px;
            color: var(--secondary);
            margin-top: 2px;
            font-weight: 500;
        }

        /* ========== Partners ========== */
        .partners-wall {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 14px;
        }

        .partner-tag {
            padding: 10px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .partner-tag:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--primary);
        }

        /* ========== Guarantee strip ========== */
        .guarantee-strip {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .guarantee-item .g-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: rgba(47, 107, 174, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .guarantee-item .g-text h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 3px;
        }

        .guarantee-item .g-text p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--heading);
            background: transparent;
            text-align: left;
            width: 100%;
            transition: background-color var(--transition), color var(--transition);
        }

        .faq-question:hover {
            background: rgba(47, 107, 174, 0.03);
            color: var(--primary);
        }

        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
            display: inline-block;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
        }

        /* ========== Contact CTA ========== */
        .contact-section {
            background: #fff;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 44px;
            align-items: center;
        }

        .contact-form-wrap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
        }

        .contact-form-wrap h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }

        .contact-form-wrap .form-subtitle {
            font-size: 14.5px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 13px 16px;
            font-size: 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
            outline: none;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(47, 107, 174, 0.12);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #9AAABD;
        }

        .contact-info-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .contact-info-side h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 4px;
        }

        .contact-info-side .info-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .info-item:last-child {
            border-bottom: none;
        }

        .info-item .info-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: rgba(47, 107, 174, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .info-item .info-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .info-item .info-value {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
        }

        /* ========== Trial entry ========== */
        .trial-entry {
            background: linear-gradient(135deg, #E8F1FA 0%, #DCE8F5 60%, #CFDFF0 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .trial-entry::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(47, 107, 174, 0.06);
        }

        .trial-entry::after {
            content: '';
            position: absolute;
            bottom: -70px;
            left: -50px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(27, 143, 158, 0.05);
        }

        .trial-entry-inner {
            position: relative;
            z-index: 1;
        }

        .trial-entry h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .trial-entry p {
            font-size: 15.5px;
            color: var(--text);
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #F0F5FA;
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .footer-subscribe .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 0;
        }

        .footer-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.12);
        }

        .footer-subscribe .btn {
            flex-shrink: 0;
            padding: 11px 18px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary);
        }

        .footer-bottom .sep {
            color: var(--border-dark);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .nav-desktop {
                gap: 0;
            }

            .nav-item > a,
            .nav-item > button {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .header-actions .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .hero {
                padding: calc(var(--header-height) + 30px) 0 50px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-item {
                padding: 16px 12px;
            }

            .metric-number {
                font-size: 22px;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .service-matrix {
                grid-template-columns: 1fr;
            }

            .case-grid {
                grid-template-columns: 1fr;
            }

            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .guarantee-strip {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 24px 20px;
            }

            .news-item {
                flex-direction: column;
                gap: 14px;
                align-items: flex-start;
            }

            .news-thumb {
                width: 100%;
                height: 160px;
            }

            .news-item .card-link {
                align-self: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .contact-form-wrap {
                padding: 24px 18px;
            }

            .faq-question {
                font-size: 15px;
                padding: 15px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .dashboard-grid {
                grid-template-columns: 1fr;
            }

            .ranking-grid {
                grid-template-columns: 1fr;
            }

            .partner-tag {
                padding: 8px 16px;
                font-size: 13px;
            }

            .header-inner {
                min-height: 60px;
            }

            .logo {
                font-size: 19px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .search-btn {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a,
        .nav-item>button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-item>a:hover,
        .nav-item>button:hover,
        .nav-item>a:focus-visible,
        .nav-item>button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }

        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-item .chevron {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .nav-item.open .chevron {
            transform: rotate(180deg);
        }

        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px;
            display: none;
            z-index: 50;
        }

        .nav-item.open .dropdown,
        .nav-item:hover .dropdown {
            display: block;
        }

        .dropdown a {
            display: block;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition), color var(--transition);
        }

        .dropdown a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .dropdown a.active-drop {
            background: var(--bg-blue);
            color: var(--primary);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(47, 107, 174, 0.08);
            color: var(--primary);
            font-size: 16px;
            transition: background-color var(--transition);
        }

        .search-btn:hover {
            background: rgba(47, 107, 174, 0.16);
        }

        .search-expand {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 12px 24px 16px;
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            display: flex;
            gap: 8px;
            align-items: center;
            z-index: 999;
        }

        .search-expand input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition);
        }

        .search-expand input:focus {
            border-color: var(--primary);
        }

        .header-cta {
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background-color var(--transition), transform var(--transition);
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(47, 107, 174, 0.08);
            transition: background-color var(--transition);
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger:hover {
            background: rgba(47, 107, 174, 0.16);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            display: none;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            border-radius: var(--radius-md);
            transition: background-color var(--transition), color var(--transition);
        }

        .mobile-drawer a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .mobile-drawer .drawer-section {
            padding: 10px 16px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-top: 8px;
        }

        /* ========== Page Banner ========== */
        .page-banner {
            padding: calc(var(--header-height) + 40px) 0 48px;
            background-image: url('/assets/images/fffa050cfd93aa26.webp');
            background-size: cover;
            background-position: center 40%;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(234, 243, 251, 0.96) 0%, rgba(244, 248, 252, 0.88) 55%, rgba(244, 248, 252, 0.75) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: center;
        }

        .banner-h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .banner-h1 .highlight {
            color: var(--primary);
        }

        .banner-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 60ch;
            margin-bottom: 24px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .banner-tag {
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text);
            font-weight: 500;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: border-color var(--transition), color var(--transition);
        }

        .banner-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .banner-stat-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.9);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            box-shadow: var(--shadow-lg);
        }

        .banner-stat-card h2 {
            font-size: 18px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 16px;
        }

        .stat-row {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .stat-row:last-child {
            border-bottom: none;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        /* ========== Section ========== */
        .section {
            padding: 56px 0;
        }

        .section-sm {
            padding: 36px 0;
        }

        .section-bg-white {
            background: #fff;
        }
        .section-bg-blue {
            background: var(--bg-blue);
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
            letter-spacing: 0.3px;
        }

        .section-leaf {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 50ch;
            line-height: 1.6;
        }

        /* ========== Intro Strip ========== */
        .intro-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 8px;
        }

        .intro-strip .icon-badge {
            width: 44px;
            height: 44px;
            background: var(--bg-blue);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--primary);
        }

        .intro-strip p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        /* ========== Filter Bar ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }

        .filter-chip {
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            background: var(--bg);
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .filter-chip:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sort-select {
            padding: 8px 14px;
            font-size: 13px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg);
            color: var(--text);
            outline: none;
            cursor: pointer;
            transition: border-color var(--transition);
        }

        .sort-select:focus {
            border-color: var(--primary);
        }

        /* ========== Article Cards ========== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-dark);
        }

        .article-card:focus-within {
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.25);
        }

        .article-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            background: var(--bg-blue);
        }

        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .article-card:hover .article-cover img {
            transform: scale(1.04);
        }

        .cover-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: rgba(20, 38, 60, 0.8);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .article-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-date {
            color: var(--text-muted);
        }

        .article-label {
            padding: 3px 10px;
            background: var(--bg-blue);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }

        .article-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .article-card:hover .article-title {
            color: var(--primary);
        }

        .article-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap var(--transition), color var(--transition);
            align-self: flex-start;
        }

        .read-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ========== Ranking ========== */
        .ranking-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .ranking-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 28px 20px;
            box-shadow: var(--shadow-sm);
        }

        .ranking-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-item:hover {
            background: var(--card-hover);
        }

        .rank-number {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            background: var(--bg);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .rank-number.top1 {
            background: var(--accent);
            color: #fff;
        }
        .rank-number.top2 {
            background: #B8C4CE;
            color: #fff;
        }
        .rank-number.top3 {
            background: #D4A574;
            color: #fff;
        }

        .rank-content {
            flex: 1;
            min-width: 0;
        }

        .rank-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        .rank-tag {
            padding: 4px 10px;
            background: var(--bg-blue);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        /* ========== Data Panel ========== */
        .data-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .data-panel h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .data-panel p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .data-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stat-block {
            background: var(--bg-blue);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: transform var(--transition);
        }

        .stat-block:hover {
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-caption {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== Quick Entry ========== */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .quick-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .quick-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .quick-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }

        .quick-card span {
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
        }

        .quick-card small {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            border-color: var(--border-dark);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            background: transparent;
            text-align: left;
            transition: background-color var(--transition);
        }

        .faq-question:hover {
            background: var(--card-hover);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 56px 0 0;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 32ch;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary);
        }

        .footer-subscribe h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 0 28px;
            flex-wrap: wrap;
        }

        .footer-bottom span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-links .sep {
            color: var(--border-dark);
        }

        /* ========== Button ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            white-space: nowrap;
            justify-content: center;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(47, 107, 174, 0.25);
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--bg-blue);
            color: var(--primary-dark);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .banner-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .banner-stat-card {
                max-width: 420px;
            }

            .article-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }

            .ranking-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .data-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 28px;
            }

            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .nav-desktop {
                gap: 2px;
            }

            .nav-item>a,
            .nav-item>button {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 820px) {
            .nav-desktop {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .article-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .quick-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-title {
                font-size: 22px;
            }

            .banner-h1 {
                font-size: 30px;
            }

            .banner-sub {
                font-size: 15px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }

            .sort-select {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 36px 0;
            }

            .section-sm {
                padding: 24px 0;
            }

            .banner-h1 {
                font-size: 26px;
            }

            .banner-sub {
                font-size: 14px;
            }

            .article-cover {
                height: 160px;
            }

            .article-body {
                padding: 16px 18px 20px;
            }

            .article-title {
                font-size: 16px;
            }

            .quick-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .data-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 26px;
            }

            .stat-block {
                padding: 14px;
            }

            .footer-grid {
                gap: 20px;
            }

            .header-cta {
                display: none;
            }

            .banner-stat-card {
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a,
        .nav-item>button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-item>a:hover,
        .nav-item>button:hover,
        .nav-item>a:focus-visible,
        .nav-item>button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }

        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-item.has-dropdown {
            position: relative;
        }

        .dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .dropdown-toggle:hover,
        .dropdown-toggle:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }

        .nav-item.active .dropdown-toggle {
            color: var(--primary);
            font-weight: 600;
        }

        .chevron {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .nav-item:hover .chevron,
        .nav-item:focus-within .chevron {
            transform: rotate(180deg);
        }

        .dropdown-menu {
            position: absolute;
            top: calc(100% + 6px);
            left: 0;
            min-width: 180px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(4px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 50;
        }

        .nav-item:hover .dropdown-menu,
        .nav-item:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-menu a {
            display: block;
            padding: 9px 18px;
            font-size: 14px;
            color: var(--text);
            border-radius: 0;
            transition: background var(--transition), color var(--transition);
        }

        .dropdown-menu a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .dropdown-menu a.active {
            background: var(--bg-blue);
            color: var(--primary);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            border-radius: 10px;
            color: var(--heading);
            background: rgba(47, 107, 174, 0.06);
            transition: background var(--transition), color var(--transition);
        }

        .search-btn:hover {
            background: rgba(47, 107, 174, 0.14);
            color: var(--primary);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 10px;
            transition: background var(--transition), transform var(--transition);
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(47, 107, 174, 0.06);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--heading);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .search-expand {
            padding: 12px 24px 16px;
            background: rgba(255, 255, 255, 0.96);
            border-top: 1px solid var(--border);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .search-expand input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-expand input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.12);
        }

        /* ========== 移动端抽屉 ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFFFFF;
            z-index: 990;
            padding: 20px 24px 32px;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer nav a,
        .mobile-drawer nav button {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 10px;
            background: transparent;
            text-align: left;
            width: 100%;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer nav a:hover,
        .mobile-drawer nav button:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .mobile-drawer nav .active {
            background: var(--bg-blue);
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-drawer .sub-menu {
            padding-left: 16px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-drawer .sub-menu a {
            font-size: 14px;
            padding: 10px 16px;
        }

        /* ========== 分类标题栏 ========== */
        .category-hero {
            background: var(--bg-blue);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(47, 107, 174, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--border-dark);
        }

        .category-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .category-title .highlight {
            color: var(--primary);
        }

        .category-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== 优惠券墙风格数据工具 ========== */
        .coupon-wall {
            padding: 40px 0 56px;
        }

        .coupon-wall-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .coupon-main {
            background: var(--card);
            border: 2px solid var(--primary);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            position: relative;
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 320px;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .coupon-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .coupon-main .coupon-badge {
            position: absolute;
            top: -14px;
            left: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }

        .coupon-main .coupon-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
            margin-top: 6px;
        }

        .coupon-main .coupon-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .coupon-main .coupon-features {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .coupon-main .coupon-features li {
            background: var(--bg-blue);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }

        .coupon-main .btn-primary {
            align-self: flex-start;
        }

        .coupon-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 16px;
        }

        .coupon-mini {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            position: relative;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .coupon-mini:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .coupon-mini .mini-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 6px;
        }

        .coupon-mini .mini-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 6px;
        }

        .coupon-mini .mini-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .coupon-main .dashed-divider {
            border-top: 2px dashed var(--border-dark);
            margin: 16px 0;
        }

        /* ========== 通用按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 107, 174, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(47, 107, 174, 0.32);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--bg-blue);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 12px;
        }

        .btn:focus-visible,
        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: 3px solid rgba(47, 107, 174, 0.35);
            outline-offset: 2px;
        }

        /* ========== 数据列表主体 ========== */
        .data-list-section {
            padding: 56px 0;
            background: var(--bg-blue);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
        }

        .section-head .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            cursor: pointer;
        }

        .filter-btn:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .data-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .data-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .data-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .data-card .card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(27, 143, 158, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .data-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .data-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .data-card .card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .data-card .card-action {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition), color var(--transition);
        }

        .data-card .card-action:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== 热门排行 ========== */
        .ranking-section {
            padding: 56px 0;
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .ranking-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 26px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .ranking-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .ranking-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ranking-card .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 7px;
            font-size: 13px;
            font-weight: 700;
            background: var(--bg-blue);
            color: var(--primary);
            flex-shrink: 0;
        }

        .ranking-list {
            list-style: none;
        }

        .ranking-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .ranking-list li:last-child {
            border-bottom: none;
        }

        .ranking-list .rank-pos {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            background: var(--bg);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .ranking-list .rank-pos.top1 {
            background: #FFF3E0;
            color: #E65100;
        }

        .ranking-list .rank-pos.top2 {
            background: #E8EAF6;
            color: #283593;
        }

        .ranking-list .rank-pos.top3 {
            background: #E0F2F1;
            color: #00695C;
        }

        .ranking-list .rank-name {
            flex: 1;
            margin: 0 12px;
            font-weight: 500;
            color: var(--heading);
        }

        .ranking-list .rank-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 14px;
        }

        /* ========== 数据面板/专题报告 ========== */
        .data-panel-section {
            padding: 56px 0;
            background: var(--bg-blue);
        }

        .data-panel {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 24px;
            align-items: center;
        }

        .data-panel .panel-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .data-panel .panel-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-slow);
        }

        .data-panel .panel-image:hover img {
            transform: scale(1.03);
        }

        .data-panel .panel-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }

        .data-panel .panel-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .data-panel .panel-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .panel-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .metric-item {
            flex: 1;
            min-width: 90px;
            text-align: center;
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 14px 10px;
        }

        .metric-item .metric-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .metric-item .metric-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 快捷入口 ========== */
        .quick-links-section {
            padding: 56px 0;
        }

        .quick-links-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .quick-link-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .quick-link-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .quick-link-card .quick-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            background: var(--bg-blue);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }

        .quick-link-card .quick-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 2px;
        }

        .quick-link-card .quick-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-section {
            padding: 56px 0;
            background: var(--bg-blue);
        }

        .subscribe-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .subscribe-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }

        .subscribe-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.12);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #F0F5FB;
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-subscribe h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .footer-subscribe p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .footer-subscribe .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe .subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--card);
            font-size: 13px;
            outline: none;
        }

        .footer-subscribe .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.12);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-links .sep {
            color: var(--border-dark);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 2px;
            }
            .nav-item>a,
            .nav-item>button,
            .dropdown-toggle {
                padding: 10px 10px;
                font-size: 14px;
            }
            .coupon-wall-grid {
                grid-template-columns: 1.4fr 1fr;
                gap: 16px;
            }
            .data-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-panel {
                grid-template-columns: 1fr;
            }
            .data-panel .panel-image img {
                height: 220px;
            }
            .subscribe-card {
                grid-template-columns: 1fr;
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 62px;
            }
            body {
                padding-top: var(--header-height);
                font-size: 14px;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-desktop {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-title {
                font-size: 26px;
            }
            .category-desc {
                font-size: 14px;
            }
            .coupon-wall {
                padding: 24px 0 36px;
            }
            .coupon-wall-grid {
                grid-template-columns: 1fr;
            }
            .coupon-main {
                padding: 24px 20px;
                min-height: auto;
            }
            .coupon-main .coupon-title {
                font-size: 21px;
            }
            .coupon-side {
                grid-template-rows: auto;
                grid-template-columns: 1fr;
            }
            .data-list-section,
            .ranking-section,
            .data-panel-section,
            .quick-links-section,
            .subscribe-section {
                padding: 36px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .data-card-list {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .data-panel .panel-content {
                padding: 20px 18px;
            }
            .data-panel .panel-image img {
                height: 180px;
            }
            .quick-links-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .quick-link-card {
                padding: 16px 12px;
            }
            .quick-link-card .quick-title {
                font-size: 13px;
            }
            .subscribe-card {
                padding: 24px 18px;
                gap: 20px;
            }
            .subscribe-card h3 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .metric-item .metric-num {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-title {
                font-size: 22px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }
            .coupon-main {
                padding: 20px 16px;
            }
            .coupon-main .coupon-badge {
                left: 16px;
                font-size: 11px;
                padding: 4px 12px;
            }
            .coupon-main .coupon-title {
                font-size: 18px;
            }
            .coupon-main .coupon-features li {
                font-size: 11px;
                padding: 4px 10px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
            .data-card {
                padding: 16px;
            }
            .data-card .card-title {
                font-size: 15px;
            }
            .ranking-card {
                padding: 16px 18px;
            }
            .ranking-list li {
                font-size: 13px;
                padding: 10px 0;
            }
            .data-panel .panel-content {
                padding: 16px 14px;
            }
            .data-panel .panel-content h3 {
                font-size: 18px;
            }
            .quick-links-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .logo {
                font-size: 16px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 7px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
            position: relative;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
            z-index: 1002;
            position: relative;
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-item > a,
        .nav-item > button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
            outline: none;
            border: none;
        }
        .nav-item > a:hover,
        .nav-item > button:hover,
        .nav-item > a:focus-visible,
        .nav-item > button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }
        .nav-item.active > a,
        .nav-item.active > button {
            color: var(--primary);
            font-weight: 600;
            background: rgba(47, 107, 174, 0.06);
        }
        .nav-item.active > a::after,
        .nav-item.active > button::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .chevron {
            font-size: 11px;
            transition: transform var(--transition);
        }
        .nav-item:hover .chevron {
            transform: rotate(180deg);
        }
        .has-dropdown > .dropdown {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            min-width: 180px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 999;
        }
        .has-dropdown:hover > .dropdown,
        .has-dropdown:focus-within > .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown a {
            display: block;
            padding: 9px 18px;
            font-size: 14px;
            color: var(--text);
            transition: background-color var(--transition), color var(--transition);
            border-radius: 6px;
            margin: 2px 8px;
        }
        .dropdown a:hover,
        .dropdown a:focus-visible {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1002;
        }
        .search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--heading);
            background: rgba(47, 107, 174, 0.08);
            transition: background-color var(--transition), color var(--transition), transform var(--transition);
            border: none;
            cursor: pointer;
        }
        .search-btn:hover,
        .search-btn:focus-visible {
            background: rgba(47, 107, 174, 0.16);
            color: var(--primary);
            transform: scale(1.04);
        }
        .header-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--primary);
            color: #fff !important;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(47, 107, 174, 0.25);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(47, 107, 174, 0.32);
            color: #fff !important;
        }
        .header-cta:focus-visible {
            outline: 3px solid rgba(47, 107, 174, 0.4);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(47, 107, 174, 0.08);
            border: none;
            cursor: pointer;
            transition: background-color var(--transition);
            z-index: 1002;
            position: relative;
        }
        .hamburger:hover {
            background: rgba(47, 107, 174, 0.16);
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2.5px;
            border-radius: 2px;
            background: var(--heading);
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .search-expand {
            padding: 0 24px 16px;
            margin-top: 0 !important;
        }
        .search-expand input {
            width: 100%;
            max-width: 480px;
            padding: 10px 16px 10px 42px;
            border: 1.5px solid var(--border-dark);
            border-radius: 10px;
            background: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .search-expand input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
        }
        .search-expand .search-btn {
            width: auto;
            height: auto;
            padding: 10px 18px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            margin-left: 8px;
            line-height: 1.4;
        }
        .search-expand .search-btn:hover {
            background: var(--primary-dark);
        }

        /* ========== Mobile Drawer ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 38, 60, 0.45);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }
        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            max-width: 85vw;
            background: #fff;
            padding: var(--header-height) 24px 32px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            box-shadow: -12px 0 40px rgba(31, 80, 130, 0.18);
        }
        .mobile-drawer.open .mobile-drawer-panel {
            transform: translateX(0);
        }
        .mobile-drawer .nav-mobile {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding-top: 16px;
        }
        .mobile-drawer .nav-mobile a,
        .mobile-drawer .nav-mobile button {
            display: block;
            padding: 13px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 10px;
            text-align: left;
            transition: background-color var(--transition), color var(--transition);
            background: transparent;
            border: none;
            cursor: pointer;
            width: 100%;
        }
        .mobile-drawer .nav-mobile a:hover,
        .mobile-drawer .nav-mobile button:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }
        .mobile-drawer .nav-mobile .mobile-sub {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-left: 16px;
            margin-top: 2px;
        }
        .mobile-drawer .nav-mobile .mobile-sub a {
            font-size: 14px;
            padding: 9px 14px;
            color: var(--text-muted);
        }
        .mobile-drawer .nav-mobile .mobile-sub a:hover {
            color: var(--primary);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(47, 107, 174, 0.4);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 107, 174, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(47, 107, 174, 0.32);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(47, 107, 174, 0.06);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 163, 61, 0.25);
        }
        .btn-accent:hover {
            background: #d6922f;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 163, 61, 0.34);
            color: #fff;
        }

        /* ========== Main padding for fixed header ========== */
        main {
            padding-top: var(--header-height);
        }

        /* ========== Page Hero (category title bar) ========== */
        .page-hero {
            background: var(--bg-blue);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            padding: 48px 0 44px;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/fffa050cfd93aa26.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--heading);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .page-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-hero .breadcrumb .sep {
            color: var(--border-dark);
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(47, 107, 174, 0.1);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(232, 163, 61, 0.14);
            color: var(--accent);
        }
        .badge-secondary {
            background: rgba(27, 143, 158, 0.1);
            color: var(--secondary);
        }

        /* ========== Category intro ========== */
        .section-intro {
            padding: 48px 0 20px;
            background: var(--bg);
        }
        .section-intro .intro-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }
        .section-intro .intro-card p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            max-width: 75ch;
        }
        .section-intro .intro-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
        }
        .section-intro .intro-stats span {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .section-intro .intro-stats strong {
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
        }

        /* ========== Schedule list ========== */
        .schedule-list {
            padding: 36px 0 40px;
            background: var(--bg);
        }
        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 22px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: 0.3px;
        }
        .section-head .sort-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-chip {
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border-dark);
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-chip:hover,
        .filter-chip:focus-visible {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(47, 107, 174, 0.04);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(47, 107, 174, 0.25);
        }
        .match-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .match-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-dark);
        }
        .match-card .match-image {
            position: relative;
            aspect-ratio: 16 / 8;
            overflow: hidden;
            background: #eaf0f8;
            flex-shrink: 0;
        }
        .match-card .match-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .match-card:hover .match-image img {
            transform: scale(1.04);
        }
        .match-card .match-image .match-date-badge {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(20, 38, 60, 0.82);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .match-card .match-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .match-card .match-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .match-card .match-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.45;
            margin: 0;
        }
        .match-card .match-teams {
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .match-card .match-teams .vs {
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
        }
        .match-card .match-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .match-card .match-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .match-card .match-time {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .match-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition), gap var(--transition);
        }
        .match-card .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .match-card .read-more:focus-visible {
            outline: 3px solid rgba(47, 107, 174, 0.4);
            outline-offset: 4px;
            border-radius: 4px;
        }

        /* ========== Hot matches / ranking ========== */
        .hot-matches {
            padding: 40px 0;
            background: var(--bg-blue);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .hot-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .hot-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .hot-item .hot-rank {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .hot-item .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.45;
        }
        .hot-item .hot-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== Data panel ========== */
        .data-panel {
            padding: 48px 0;
            background: var(--bg);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .data-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .data-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .data-card .data-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .data-card .data-number.accent {
            color: var(--accent);
        }
        .data-card .data-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== Quick links / related columns ========== */
        .quick-links {
            padding: 40px 0;
            background: var(--bg-blue);
            border-top: 1px solid var(--border);
        }
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }
        .quick-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 14px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: block;
            color: var(--heading);
        }
        .quick-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .quick-card .quick-icon {
            font-size: 26px;
            margin-bottom: 8px;
            display: block;
        }
        .quick-card .quick-name {
            font-size: 14px;
            font-weight: 600;
        }

        /* ========== CTA / Subscribe ========== */
        .cta-section {
            padding: 56px 0 64px;
            background: var(--bg);
        }
        .cta-wrapper {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 40px 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-wrapper .cta-info h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }
        .cta-wrapper .cta-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .cta-wrapper .cta-info .cta-note {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 1.5px solid var(--border-dark);
            border-radius: 10px;
            font-size: 14px;
            background: var(--bg);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
            background: #fff;
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 48px 0 0;
            color: var(--text);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 42ch;
        }
        .footer-col h4,
        .footer-subscribe h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .footer-subscribe .subscribe-form {
            gap: 8px;
        }
        .footer-subscribe .subscribe-form input {
            min-width: 150px;
            padding: 10px 14px;
            font-size: 13px;
            background: var(--bg);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-links .sep {
            color: var(--border-dark);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
            .quick-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-list {
                grid-template-columns: 1fr;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .container {
                padding: 0 18px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .header-cta {
                display: none;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .match-list {
                gap: 14px;
            }
            .match-card .match-body {
                padding: 14px 16px 16px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 16px 14px;
            }
            .data-card .data-number {
                font-size: 24px;
            }
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-wrapper {
                padding: 24px 18px;
                gap: 20px;
            }
            .cta-wrapper .cta-info h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 22px;
            }
            .section-intro .intro-card {
                padding: 20px 16px;
            }
            .match-card .match-image {
                aspect-ratio: 16 / 9;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .sort-bar {
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
            .filter-chip {
                flex-shrink: 0;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--heading);
            line-height: 1.3;
            font-weight: 700;
        }
        h1 { font-size: 34px; }
        h2 { font-size: 26px; }
        h3 { font-size: 19px; font-weight: 600; }
        h4 { font-size: 16px; font-weight: 600; }

        p {
            margin-bottom: 1em;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-item > a,
        .nav-item > button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-item > a:hover,
        .nav-item > button:hover,
        .nav-item > a:focus-visible,
        .nav-item > button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
        }
        .nav-item.active > a {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .nav-item .chevron {
            font-size: 10px;
            transition: transform var(--transition);
        }
        .nav-item:hover .chevron {
            transform: rotate(180deg);
        }
        .dropdown-menu {
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            min-width: 200px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
            z-index: 50;
        }
        .nav-item:hover .dropdown-menu,
        .nav-item:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown-menu a {
            display: block;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text);
            border-radius: 8px;
            transition: background-color var(--transition), color var(--transition);
            text-decoration: none;
        }
        .dropdown-menu a:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--heading);
            background: rgba(47, 107, 174, 0.06);
            transition: background-color var(--transition), color var(--transition);
        }
        .search-btn:hover {
            background: rgba(47, 107, 174, 0.12);
            color: var(--primary);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            color: #fff;
            background: var(--primary);
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 107, 174, 0.3);
            transform: translateY(-1px);
        }
        .header-cta:focus-visible,
        .search-btn:focus-visible,
        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(47, 107, 174, 0.06);
            transition: background-color var(--transition);
        }
        .hamburger:hover {
            background: rgba(47, 107, 174, 0.12);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--heading);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.is-open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .search-expand {
            padding-bottom: 12px;
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .search-expand input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-expand input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.08);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 1100;
            box-shadow: var(--shadow-xl);
            transition: right var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: 24px;
            gap: 8px;
        }
        .mobile-drawer.is-open {
            right: 0;
        }
        .mobile-drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(20, 38, 60, 0.4);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }
        .mobile-drawer-overlay.is-visible {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .mobile-drawer .drawer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }
        .mobile-drawer a,
        .mobile-drawer button.drawer-nav-btn {
            display: block;
            padding: 14px 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 10px;
            transition: background-color var(--transition), color var(--transition);
            text-decoration: none;
            background: transparent;
            text-align: left;
            cursor: pointer;
        }
        .mobile-drawer a:hover,
        .mobile-drawer button.drawer-nav-btn:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }
        .mobile-drawer a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(47, 107, 174, 0.08);
        }
        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-muted);
            background: rgba(47, 107, 174, 0.06);
            transition: background-color var(--transition);
        }
        .drawer-close:hover {
            background: rgba(47, 107, 174, 0.12);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            text-align: center;
            transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
            border: 2px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 107, 174, 0.25);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(47, 107, 174, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(47, 107, 174, 0.06);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== Main Structure ========== */
        .site-main {
            flex: 1;
            padding-top: var(--header-height);
        }

        /* ========== Category Title Bar ========== */
        .category-title-bar {
            background: linear-gradient(180deg, var(--bg-blue) 0%, var(--bg) 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .category-title-bar .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-small);
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .category-title-bar .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .category-title-bar .breadcrumb a:hover {
            color: var(--primary);
        }
        .category-title-bar .breadcrumb .sep {
            color: var(--border-dark);
        }
        .category-title-bar .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .category-title-bar h1 {
            font-size: 34px;
            margin-bottom: 12px;
            color: var(--heading);
        }
        .category-title-bar .title-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--bg-blue);
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header h2 {
            font-size: 24px;
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 680px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(27, 143, 158, 0.1);
            color: var(--secondary);
            font-size: var(--font-xs);
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ========== Guide List ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .filter-bar .filter-label {
            font-size: var(--font-small);
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-tag {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: var(--font-small);
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(47, 107, 174, 0.04);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-tag:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .sort-select {
            margin-left: auto;
            padding: 8px 14px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            font-size: var(--font-small);
            color: var(--text);
            cursor: pointer;
            outline: none;
            transition: border-color var(--transition);
        }
        .sort-select:focus {
            border-color: var(--primary);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-dark);
        }
        .guide-card:focus-within {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .guide-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-blue);
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .guide-card:hover .card-img img {
            transform: scale(1.03);
        }
        .guide-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .guide-card .card-difficulty {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(20, 38, 60, 0.75);
            color: #fff;
            font-size: var(--font-xs);
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .guide-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .guide-card .card-meta .meta-date {
            color: var(--text-muted);
        }
        .guide-card .card-meta .meta-tag {
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: rgba(27, 143, 158, 0.08);
            color: var(--secondary);
            font-weight: 500;
        }
        .guide-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .guide-card .card-desc {
            font-size: var(--font-small);
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-small);
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition), gap var(--transition);
        }
        .guide-card .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .guide-card .card-link .arrow {
            font-size: 14px;
            transition: transform var(--transition);
        }
        .guide-card .card-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== Hot Ranking ========== */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: start;
        }
        .ranking-list {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 20px;
        }
        .ranking-list h3 {
            font-size: 18px;
            margin-bottom: 16px;
            color: var(--heading);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ranking-list h3 .icon-badge {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(232, 163, 61, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 10px;
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition);
            border-radius: 8px;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(47, 107, 174, 0.04);
        }
        .ranking-item .rank-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            background: var(--bg);
            color: var(--text-muted);
        }
        .ranking-item .rank-num.top1 {
            background: var(--accent);
            color: #fff;
        }
        .ranking-item .rank-num.top2 {
            background: #C0C7CF;
            color: #fff;
        }
        .ranking-item .rank-num.top3 {
            background: #D8A36A;
            color: #fff;
        }
        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-item .rank-info .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item .rank-info .rank-meta {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .ranking-item .rank-tag {
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            background: rgba(47, 107, 174, 0.08);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .ranking-item .rank-views {
            font-size: var(--font-xs);
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== Data Panel ========== */
        .data-panel {
            background: linear-gradient(135deg, var(--heading) 0%, #1E3A5C 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .data-panel .data-item {
            text-align: center;
        }
        .data-panel .data-item .data-value {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }
        .data-panel .data-item .data-value .suffix {
            font-size: 16px;
            font-weight: 500;
            color: var(--accent-light);
            margin-left: 2px;
        }
        .data-panel .data-item .data-label {
            font-size: var(--font-small);
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
        }
        .data-panel .data-item .data-icon {
            font-size: 28px;
            margin-bottom: 8px;
            display: block;
        }

        /* ========== Quick Entry ========== */
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .quick-entry-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .quick-entry-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-dark);
        }
        .quick-entry-card .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(47, 107, 174, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .quick-entry-card .entry-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
        }
        .quick-entry-card .entry-desc {
            font-size: var(--font-xs);
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item.is-open {
            border-color: var(--border-dark);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--heading);
            text-align: left;
            cursor: pointer;
            transition: background-color var(--transition);
            background: transparent;
        }
        .faq-question:hover {
            background: rgba(47, 107, 174, 0.04);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.is-open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 22px;
        }
        .faq-item.is-open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-cta {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .subscribe-cta .cta-info h2 {
            font-size: 24px;
            margin-bottom: 10px;
        }
        .subscribe-cta .cta-info p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 480px;
        }
        .subscribe-form-box {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .subscribe-form-row {
            display: flex;
            gap: 12px;
        }
        .subscribe-form-row input {
            flex: 1;
            padding: 12px 18px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.08);
            background: #fff;
        }
        .subscribe-form-box .form-hint {
            font-size: var(--font-xs);
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #EDF3FA;
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: var(--font-small);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: var(--font-small);
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-subscribe h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .footer-subscribe p {
            font-size: var(--font-small);
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            font-size: 13px;
            outline: none;
            transition: border-color var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-links .sep {
            color: var(--border-dark);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                padding: 32px 24px;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .category-title-bar {
                padding: 36px 0 32px;
            }
            .category-title-bar h1 {
                font-size: 26px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 24px 18px;
            }
            .data-panel .data-item .data-value {
                font-size: 26px;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .subscribe-cta {
                grid-template-columns: 1fr;
                padding: 28px 22px;
                gap: 20px;
            }
            .subscribe-form-row {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 60px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .container {
                padding: 0 16px;
            }
            .category-title-bar h1 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 18px;
            }
            .filter-bar {
                padding: 12px;
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
            .guide-card .card-body {
                padding: 14px 16px 16px;
            }
            .guide-card .card-title {
                font-size: 15px;
            }
            .data-panel {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 20px 14px;
            }
            .data-panel .data-item .data-value {
                font-size: 22px;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .quick-entry-card {
                padding: 16px 10px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.is-open .faq-answer {
                padding: 0 16px 16px;
            }
            .subscribe-cta {
                padding: 22px 16px;
            }
            .subscribe-cta .cta-info h2 {
                font-size: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--heading);
            margin: 0 0 0.5em;
            line-height: 1.25;
            font-weight: 700;
        }
        h1 { font-size: 32px; }
        h2 { font-size: 26px; }
        h3 { font-size: 19px; }
        p { margin: 0 0 1em; }
        ul { margin: 0; padding: 0; list-style: none; }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-item > a,
        .nav-item > button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-item > a:hover,
        .nav-item > button:hover,
        .nav-item > a:focus-visible,
        .nav-item > button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
            outline: none;
        }
        .nav-item > a:focus-visible,
        .nav-item > button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-item.active > a {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .chevron {
            font-size: 10px;
            transition: transform var(--transition);
        }
        .nav-item:hover .chevron {
            transform: rotate(180deg);
        }
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 100;
        }
        .nav-item:hover .dropdown-menu,
        .nav-item:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: var(--heading);
            font-size: 14px;
            transition: color var(--transition), background-color var(--transition);
        }
        .dropdown-menu a:hover {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.05);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--heading);
            background: transparent;
            transition: background-color var(--transition), color var(--transition);
            font-size: 16px;
        }
        .search-btn:hover,
        .search-btn:focus-visible {
            background: rgba(47, 107, 174, 0.08);
            color: var(--primary);
            outline: none;
        }
        .search-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .header-cta:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--heading);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger:hover span,
        .hamburger:focus-visible span {
            background: var(--primary);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .search-expand {
            position: absolute;
            top: var(--header-height);
            left: 50%;
            transform: translateX(-50%);
            z-index: 999;
            max-width: 560px;
            width: calc(100% - 48px);
            transition: opacity var(--transition), visibility var(--transition);
        }
        .search-expand input[type="search"] {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 0 44px 0 16px;
            background: #fff;
            font-size: 14px;
            box-shadow: var(--shadow-md);
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: none;
            -webkit-appearance: none;
        }
        .search-expand input[type="search"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
            outline: none;
        }
        .search-expand .search-btn {
            position: absolute;
            right: 6px;
            top: 7px;
        }
        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 990;
            padding: 20px 24px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            border-top: 1px solid var(--border);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-drawer .drawer-nav a,
        .mobile-drawer .drawer-nav button {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: background-color var(--transition), color var(--transition);
            text-align: left;
            width: 100%;
            background: transparent;
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav button:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }
        .mobile-drawer .drawer-sub {
            padding-left: 16px;
            border-left: 2px solid var(--border);
            margin-left: 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-drawer .drawer-sub a {
            padding: 10px 12px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .mobile-drawer .drawer-sub a:hover {
            color: var(--primary);
        }
        /* Page title bar */
        .page-title-bar {
            padding: 120px 0 48px;
            background: var(--bg-blue);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .page-title-bar::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: rgba(47, 107, 174, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-title-bar h1 {
            font-size: 34px;
            margin-bottom: 8px;
            position: relative;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-small);
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border-dark);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        /* Section common */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-blue);
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            font-size: 26px;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 70ch;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d18f2d;
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: var(--font-xs);
            font-weight: 600;
            background: var(--bg-blue);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(232, 163, 61, 0.12);
            color: var(--accent);
        }
        .badge-secondary {
            background: rgba(27, 143, 158, 0.1);
            color: var(--secondary);
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-dark);
        }
        .card:focus-within {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        /* Category intro */
        .category-intro {
            padding: 32px 0;
        }
        .category-intro p {
            font-size: 15px;
            max-width: 75ch;
            color: var(--text);
        }
        /* Focus spotlight */
        .focus-spotlight {
            padding: 64px 0;
            background: var(--bg-blue);
            position: relative;
            overflow: hidden;
        }
        .focus-spotlight::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/fffa050cfd93aa26.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .focus-spotlight .container {
            position: relative;
            z-index: 1;
        }
        .spotlight-grid {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 48px;
            align-items: center;
        }
        .countdown-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            box-shadow: var(--shadow-md);
        }
        .countdown-ring {
            position: relative;
            width: 200px;
            height: 200px;
        }
        .countdown-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .countdown-ring .ring-bg {
            fill: none;
            stroke: var(--border);
            stroke-width: 10;
        }
        .countdown-ring .ring-progress {
            fill: none;
            stroke: var(--primary);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s linear;
        }
        .countdown-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transform: rotate(0deg);
        }
        .countdown-days {
            font-size: 52px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .countdown-label {
            font-size: var(--font-small);
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        .countdown-time-units {
            display: flex;
            gap: 18px;
            justify-content: center;
        }
        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }
        .countdown-unit span:first-child {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
        }
        .countdown-unit span:last-child {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .spotlight-info h2 {
            font-size: 26px;
            margin-bottom: 8px;
        }
        .spotlight-info .spotlight-desc {
            color: var(--text-muted);
            margin-bottom: 24px;
            max-width: 60ch;
        }
        .spotlight-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 24px;
        }
        .spotlight-point {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            background: rgba(255, 255, 255, 0.7);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }
        .spotlight-point .dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            margin-top: 6px;
        }
        .spotlight-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* News list section */
        .news-list {
            padding: 64px 0;
            background: #fff;
        }
        .list-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-tab:hover {
            color: var(--primary);
            border-color: var(--primary-light);
            background: rgba(47, 107, 174, 0.04);
        }
        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-tab:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .sort-select {
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-dark);
            font-size: 13px;
            color: var(--text);
            background: #fff;
            cursor: pointer;
            transition: border-color var(--transition);
        }
        .sort-select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .news-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-dark);
        }
        .news-card-image {
            height: 160px;
            overflow: hidden;
            border-radius: 0;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .news-card-image img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .news-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card-meta .tag {
            background: var(--bg-blue);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            font-weight: 500;
        }
        .news-card h3 {
            font-size: 17px;
            margin-bottom: 10px;
            color: var(--heading);
            line-height: 1.4;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition), gap var(--transition);
            align-self: flex-start;
        }
        .news-card .read-more:hover {
            color: var(--primary-dark);
            gap: 3px;
        }
        .news-card .read-more:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        /* Ranking section */
        .team-ranking {
            padding: 64px 0;
            background: var(--bg-blue);
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .ranking-rank {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            background: var(--bg-blue);
            color: var(--primary);
        }
        .ranking-item:nth-child(1) .ranking-rank {
            background: var(--accent);
            color: #fff;
        }
        .ranking-item:nth-child(2) .ranking-rank {
            background: var(--secondary);
            color: #fff;
        }
        .ranking-item:nth-child(3) .ranking-rank {
            background: var(--primary-light);
            color: #fff;
        }
        .ranking-info {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .ranking-cover {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .ranking-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .ranking-name {
            font-weight: 600;
            color: var(--heading);
            font-size: 15px;
        }
        .ranking-score {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .ranking-bar {
            width: 120px;
            height: 6px;
            background: var(--bg-blue);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }
        .ranking-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: var(--radius-pill);
            transition: width var(--transition-slow);
        }
        .ranking-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            min-width: 36px;
            text-align: right;
        }
        /* Data panel */
        .data-panel {
            padding: 48px 0;
            background: #fff;
        }
        .data-panel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-panel-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .data-panel-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-panel-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-panel-number .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .data-panel-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        /* Quick links */
        .quick-links {
            padding: 56px 0;
            background: var(--bg-blue);
        }
        .quick-links-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }
        .quick-link-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 14px;
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .quick-link-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .quick-link-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
        }
        .quick-link-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--heading);
        }
        /* Subscribe CTA */
        .subscribe-cta {
            padding: 64px 0;
            background: #fff;
        }
        .subscribe-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px 48px;
            box-shadow: var(--shadow-sm);
        }
        .subscribe-info h2 {
            font-size: 24px;
            margin-bottom: 8px;
        }
        .subscribe-info p {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 50ch;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
        }
        .subscribe-form input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            background: #fff;
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 0;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.12);
            outline: none;
        }
        .subscribe-form button {
            height: 44px;
            padding: 0 22px;
        }
        /* Footer */
        .site-footer {
            background: #16273C;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .logo:hover {
            color: var(--accent-light);
        }
        .site-footer .logo-icon {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 32ch;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-light);
        }
        .footer-subscribe h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 14px;
        }
        .footer-subscribe .subscribe-form input {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .footer-subscribe .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.15);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        /* Responsive */
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .spotlight-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .spotlight-info .spotlight-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .spotlight-points {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .spotlight-cta {
                justify-content: center;
            }
            .countdown-wrapper {
                max-width: 320px;
                margin: 0 auto;
            }
            .data-panel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-links-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .subscribe-grid {
                grid-template-columns: 1fr;
                padding: 32px 28px;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .page-title-bar {
                padding: 96px 0 32px;
            }
            .page-title-bar h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .news-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .ranking-item {
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 10px;
            }
            .ranking-score {
                width: 100%;
                justify-content: flex-end;
            }
            .ranking-bar {
                flex: 1;
            }
            .data-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-panel-card {
                padding: 18px 12px;
            }
            .data-panel-number {
                font-size: 26px;
            }
            .quick-links-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .countdown-ring {
                width: 150px;
                height: 150px;
            }
            .countdown-days {
                font-size: 38px;
            }
            .countdown-time-units {
                gap: 10px;
            }
            .countdown-unit span:first-child {
                font-size: 18px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
            .focus-spotlight {
                padding: 40px 0;
            }
            .news-list {
                padding: 40px 0;
            }
            .team-ranking {
                padding: 40px 0;
            }
            .data-panel {
                padding: 32px 0;
            }
            .quick-links {
                padding: 36px 0;
            }
            .subscribe-cta {
                padding: 40px 0;
            }
            .header-cta {
                padding: 7px 12px;
                font-size: 13px;
            }
        }
        @media (max-width: 480px) {
            .data-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-panel-card {
                padding: 14px 8px;
            }
            .data-panel-number {
                font-size: 22px;
            }
            .quick-links-grid {
                gap: 6px;
            }
            .quick-link-card {
                padding: 12px 8px;
                gap: 4px;
            }
            .quick-link-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .quick-link-label {
                font-size: 11px;
            }
            .ranking-cover {
                width: 36px;
                height: 36px;
            }
            .news-card-image,
            .news-card-image img {
                height: 140px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #2F6BAE;
            --primary-dark: #1E5595;
            --primary-light: #5E8FC9;
            --secondary: #1B8F9E;
            --secondary-light: #5FB5C2;
            --accent: #E8A33D;
            --accent-light: #F0BE72;
            --bg: #F4F8FC;
            --bg-blue: #EAF3FB;
            --card: #FFFFFF;
            --card-hover: #FBFDFF;
            --heading: #14263C;
            --text: #2A3B4E;
            --text-muted: #5C6F82;
            --border: #E4EDF5;
            --border-dark: #D0DEEB;
            --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
            --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
            --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-base: 15px;
            --font-small: 13px;
            --font-xs: 12px;
            --font-heading: 16px;
            --container: 1200px;
            --header-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-family);
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(46, 111, 183, 0.15);
            box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.is-sticky {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
            border-bottom-color: rgba(46, 111, 183, 0.22);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-item>a,
        .nav-item>button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--heading);
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
            border: none;
        }
        .nav-item>a:hover,
        .nav-item>button:hover,
        .nav-item>a:focus-visible,
        .nav-item>button:focus-visible {
            color: var(--primary);
            background: rgba(47, 107, 174, 0.06);
            outline: none;
        }
        .nav-item>a:focus-visible,
        .nav-item>button:focus-visible {
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.25);
        }
        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .chevron {
            font-size: 11px;
            transition: transform var(--transition);
            display: inline-block;
        }
        .has-dropdown:hover .chevron,
        .has-dropdown.open .chevron {
            transform: rotate(180deg);
        }
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
            z-index: 50;
            margin-top: 4px;
        }
        .has-dropdown:hover .dropdown-menu,
        .has-dropdown.open .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown-menu a {
            display: block;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--heading);
            font-size: 14px;
            font-weight: 500;
            transition: background-color var(--transition), color var(--transition);
        }
        .dropdown-menu a:hover {
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--heading);
            background: rgba(47, 107, 174, 0.06);
            transition: background-color var(--transition), color var(--transition);
        }
        .search-btn:hover {
            background: rgba(47, 107, 174, 0.12);
            color: var(--primary);
        }
        .search-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .header-cta {
            padding: 8px 18px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            transition: background-color var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .header-cta:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--heading);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger:hover {
            background: rgba(47, 107, 174, 0.06);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .search-expand {
            padding: 12px 24px;
            display: flex;
            gap: 12px;
            align-items: center;
            background: rgba(255, 255, 255, 0.96);
            border-top: 1px solid var(--border);
        }
        .search-expand input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: var(--bg);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            font-size: 14px;
        }
        .search-expand input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
        }
        .search-expand .search-btn {
            background: var(--primary);
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            font-size: 18px;
        }
        .search-expand .search-btn:hover {
            background: var(--primary-dark);
        }

        /* ========== Mobile Drawer ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            overflow-y: auto;
            padding: 24px;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer ul {
            list-style: none;
        }
        .mobile-drawer li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-drawer a,
        .mobile-drawer button {
            display: block;
            padding: 14px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--heading);
            width: 100%;
            text-align: left;
            white-space: normal;
        }
        .mobile-drawer a:hover,
        .mobile-drawer button:hover {
            color: var(--primary);
        }
        .mobile-submenu {
            padding-left: 16px;
            background: var(--bg);
            border-radius: var(--radius-sm);
        }
        .mobile-submenu a {
            font-size: 14px;
            padding: 10px 4px;
            color: var(--text-muted);
        }
        .mobile-submenu a:hover {
            color: var(--primary);
        }

        /* ========== Main Sections ========== */
        main {
            min-height: 60vh;
        }
        section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-blue);
        }
        .section-white {
            background: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(27, 143, 158, 0.08);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Page Hero (分类标题栏) ========== */
        .page-hero {
            background: var(--bg-blue);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .page-hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .page-hero-text {
            flex: 1;
            min-width: 280px;
        }
        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-hero p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb .sep {
            color: var(--border-dark);
        }
        .page-hero-badge {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: rgba(47, 107, 174, 0.08);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(232, 163, 61, 0.1);
            color: #B87A1E;
        }
        .badge-secondary {
            background: rgba(27, 143, 158, 0.08);
            color: var(--secondary);
        }

        /* ========== Guide List ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--heading);
            margin-right: 8px;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(47, 107, 174, 0.04);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .guide-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .guide-card-image {
            width: 220px;
            min-width: 220px;
            aspect-ratio: 16/10;
            background: var(--bg-blue);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }
        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-card-image .placeholder-text {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: rgba(47, 107, 174, 0.3);
            font-weight: 700;
            letter-spacing: 2px;
        }
        .guide-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }
        .guide-card-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .guide-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.45;
            margin-bottom: 4px;
        }
        .guide-card-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .guide-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
            max-width: 720px;
        }
        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .guide-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(47, 107, 174, 0.06);
            color: var(--primary);
            letter-spacing: 0.3px;
        }
        .tag-accent {
            background: rgba(232, 163, 61, 0.08);
            color: #B87A1E;
        }
        .tag-secondary {
            background: rgba(27, 143, 158, 0.06);
            color: var(--secondary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(47, 107, 174, 0.05);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: var(--radius-pill);
        }
        .btn-read-more {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 0;
            background: none;
            transition: color var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-read-more:hover {
            color: var(--primary-dark);
        }
        .btn-read-more .arrow {
            transition: transform var(--transition);
            font-size: 16px;
        }
        .btn-read-more:hover .arrow {
            transform: translateX(4px);
        }
        .btn-read-more:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
            padding: 2px 6px;
        }

        /* ========== Hot Rank ========== */
        .rank-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .rank-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .rank-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .rank-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-number.top {
            color: var(--accent);
        }
        .rank-card-body {
            flex: 1;
            min-width: 0;
        }
        .rank-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .rank-card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }
        .rank-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .rank-trend-up {
            color: #27AE60;
            font-weight: 600;
        }
        .rank-trend-down {
            color: #E74C3C;
            font-weight: 600;
        }

        /* ========== Data Panel ========== */
        .data-panel {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            border: 1px solid var(--border);
        }
        .data-panel-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .data-panel-left h2,
        .data-panel-left h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }
        .data-panel-left p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .data-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .stat-block {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .stat-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== Quick Links ========== */
        .quick-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 14px;
        }
        .quick-link-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            color: var(--heading);
        }
        .quick-link-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            color: var(--heading);
        }
        .quick-link-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(47, 107, 174, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .quick-link-card span {
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
        }
        .quick-link-card small {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-chevron {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            box-shadow: var(--shadow-md);
        }
        .subscribe-left h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }
        .subscribe-left p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: var(--bg);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #16273C;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo:hover {
            color: var(--accent-light);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-subscribe h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
        }
        .subscribe-form input {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-light);
            box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.2);
        }
        .subscribe-form .btn-primary {
            background: var(--accent);
            color: #14263C;
        }
        .subscribe-form .btn-primary:hover {
            background: var(--accent-light);
            color: #14263C;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-links .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .data-panel {
                grid-template-columns: 1fr;
            }
            .subscribe-card {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: var(--header-height);
            }
            section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-hero {
                padding: 32px 0;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero-inner {
                flex-direction: column;
                gap: 16px;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card-image {
                width: 100%;
                min-width: auto;
                aspect-ratio: 16/9;
            }
            .filter-bar {
                flex-wrap: wrap;
                gap: 8px;
            }
            .data-panel {
                padding: 20px;
            }
            .data-stats {
                grid-template-columns: 1fr;
            }
            .rank-grid {
                grid-template-columns: 1fr;
            }
            .quick-links-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .guide-card {
                padding: 14px;
            }
            .guide-card-title {
                font-size: 16px;
            }
            .quick-links-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
                min-width: auto;
            }
            .badge {
                font-size: 12px;
                padding: 3px 10px;
            }
        }

/* roulang page: category7 */
:root {
  --primary: #2F6BAE;
  --primary-dark: #1E5595;
  --primary-light: #5E8FC9;
  --secondary: #1B8F9E;
  --secondary-light: #5FB5C2;
  --accent: #E8A33D;
  --accent-light: #F0BE72;
  --bg: #F4F8FC;
  --bg-blue: #EAF3FB;
  --card: #FFFFFF;
  --card-hover: #FBFDFF;
  --heading: #14263C;
  --text: #2A3B4E;
  --text-muted: #5C6F82;
  --border: #E4EDF5;
  --border-dark: #D0DEEB;
  --shadow-sm: 0 4px 12px rgba(31, 80, 130, 0.05);
  --shadow-md: 0 8px 24px rgba(31, 80, 130, 0.08);
  --shadow-lg: 0 14px 32px rgba(31, 80, 130, 0.14);
  --shadow-xl: 0 20px 48px rgba(31, 80, 130, 0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --font-base: 15px;
  --font-small: 13px;
  --font-xs: 12px;
  --font-heading: 16px;
  --container: 1200px;
  --header-height: 70px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}
.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(47, 107, 174, 0.4);
  outline-offset: 2px;
}
.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover {
  background-color: var(--bg-blue);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-outline:focus-visible {
  outline: 3px solid rgba(47, 107, 174, 0.35);
  outline-offset: 2px;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 8px;
}
/* ========== Header / Nav ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(46, 111, 183, 0.15);
  box-shadow: 0 8px 30px rgba(31, 80, 130, 0.08);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-sticky {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(31, 80, 130, 0.12);
  border-bottom-color: rgba(46, 111, 183, 0.22);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-height);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: 0.5px;
  flex-shrink: 0;
  transition: color var(--transition);
}
.logo:hover {
  color: var(--primary-dark);
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
  flex-shrink: 0;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-item {
  position: relative;
}
.nav-item > a,
.nav-item > button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--heading);
  border-radius: 8px;
  transition: color var(--transition), background-color var(--transition);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
}
.nav-item > a:hover,
.nav-item > button:hover,
.nav-item > a:focus-visible,
.nav-item > button:focus-visible {
  color: var(--primary);
  background: rgba(47, 107, 174, 0.06);
}
.nav-item.active > a {
  color: var(--primary);
  font-weight: 600;
}
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}
.chevron {
  font-size: 10px;
  transition: transform var(--transition);
  display: inline-block;
}
.nav-item.dropdown.open .chevron {
  transform: rotate(180deg);
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 1001;
}
.nav-item.dropdown.open .dropdown-menu,
.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  color: var(--heading);
  font-size: 14px;
  border-radius: 6px;
  transition: all var(--transition);
}
.dropdown-menu a:hover {
  background: var(--bg-blue);
  color: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 16px;
  transition: background-color var(--transition);
  border: none;
  background: transparent;
}
.search-btn:hover {
  background-color: rgba(47, 107, 174, 0.08);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background-color: var(--primary-dark);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
  transition: background-color var(--transition);
  border: none;
  background: transparent;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--heading);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger:hover {
  background-color: rgba(47, 107, 174, 0.06);
}
.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.search-expand {
  padding: 12px 24px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.search-expand input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  transition: border-color var(--transition);
}
.search-expand input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
}
/* ========== 移动端抽屉 ========== */
.drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(20, 38, 60, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition);
}
.drawer-overlay.is-visible {
  opacity: 1;
}
.drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: #fff;
  z-index: 1002;
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-slow);
  padding: 24px 20px;
  overflow-y: auto;
}
.drawer.is-open {
  right: 0;
}
.drawer .drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.drawer .drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition);
}
.drawer .drawer-close:hover {
  background-color: var(--bg-blue);
}
.drawer-nav a,
.drawer-nav button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  color: var(--heading);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition);
  background: transparent;
}
.drawer-nav a:hover,
.drawer-nav button:hover {
  background: var(--bg-blue);
  color: var(--primary);
}
.drawer-nav .drawer-sub {
  padding-left: 28px;
  font-size: 14px;
  color: var(--text-muted);
}
.drawer-nav .drawer-sub a {
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 400;
}
.drawer-nav .drawer-sub a:hover {
  color: var(--primary);
}
.drawer-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(47, 107, 174, 0.06);
}
/* ========== 面包屑 ========== */
.breadcrumb-row {
  padding: 24px 0 0;
  font-size: var(--font-small);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb-row a {
  color: var(--text-muted);
}
.breadcrumb-row a:hover {
  color: var(--primary);
}
.breadcrumb-row .sep {
  color: var(--border-dark);
}
.breadcrumb-row .current {
  color: var(--primary);
  font-weight: 500;
}
/* ========== 分类标题栏 ========== */
.page-header {
  background: var(--bg-blue);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 40px;
}
.page-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}
.page-header-left {
  flex: 1 1 55%;
}
.page-header-left h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin-bottom: 12px;
}
.page-header-left .page-desc {
  font-size: 16px;
  color: var(--text);
  line-height: 1.7;
  max-width: 60ch;
}
.page-header-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.page-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  font-size: var(--font-small);
  border-radius: var(--radius-pill);
  font-weight: 500;
}
.page-header-badge strong {
  color: var(--primary);
}
.page-header-visual {
  flex: 0 1 30%;
  max-width: 320px;
}
.page-header-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
/* ========== 通用 Section ========== */
.section {
  padding: 56px 0;
}
.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin-bottom: 8px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 65ch;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border-dark);
}
.card:focus-within {
  outline: 3px solid rgba(47, 107, 174, 0.25);
  outline-offset: 2px;
}
/* ========== 数据总览 ========== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--border-dark);
}
.stat-number {
  font-size: 34px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number .stat-unit {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-trend {
  font-size: var(--font-xs);
  color: var(--secondary);
  margin-top: 4px;
  display: block;
}
/* ========== 排行榜 ========== */
.ranking-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.ranking-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}
.ranking-item:last-child {
  border-bottom: none;
}
.ranking-item:hover {
  background: var(--card-hover);
  border-radius: 8px;
  padding-left: 8px;
  padding-right: 8px;
}
.rank-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  border-radius: 50%;
  background: var(--bg-blue);
  color: var(--primary);
  flex-shrink: 0;
}
.rank-number.top1 {
  background: var(--accent);
  color: #fff;
}
.rank-number.top2 {
  background: #C0C8D4;
  color: #fff;
}
.rank-number.top3 {
  background: #D9A06B;
  color: #fff;
}
.rank-info {
  flex: 1;
  min-width: 0;
}
.rank-name {
  font-weight: 600;
  color: var(--heading);
  font-size: 15px;
}
.rank-team {
  font-size: 13px;
  color: var(--text-muted);
}
.rank-value {
  text-align: right;
  flex-shrink: 0;
}
.rank-value .value {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.rank-value .label {
  font-size: 11px;
  color: var(--text-muted);
}
/* ========== 数据卡片列表 ========== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.filter-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.filter-tag {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-tag.is-selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.data-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.data-card {
  display: flex;
  flex-direction: column;
}
.data-card .card-img {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.data-card .card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.data-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  background: var(--bg-blue);
  color: var(--secondary);
  white-space: nowrap;
}
.tag.tag-accent {
  background: rgba(232, 163, 61, 0.12);
  color: #C07B1A;
}
.data-card .card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.4;
  margin-bottom: 8px;
}
.data-card .card-summary {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
}
.data-card .card-date {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.data-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.data-card .read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}
.data-card .read-more:hover {
  color: var(--primary-dark);
  gap: 8px;
}
/* ========== 深度报告 ========== */
.report-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 32px;
}
.report-block .report-text h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 14px;
  line-height: 1.35;
}
.report-block .report-text p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 12px;
}
.report-block .report-img img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/10;
  object-fit: cover;
}
/* ========== 时间线 ========== */
.timeline-list {
  position: relative;
  padding-left: 24px;
  list-style: none;
  margin: 0;
}
.timeline-list::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding: 0 0 24px 20px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary-light);
}
.timeline-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.timeline-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 4px;
}
.timeline-desc {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
/* ========== 快捷入口 ========== */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.entry-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  color: var(--heading);
}
.entry-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  color: var(--primary);
}
.entry-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-blue);
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.entry-label {
  font-weight: 600;
  font-size: 15px;
}
.entry-desc {
  font-size: 12px;
  color: var(--text-muted);
}
/* ========== 订阅CTA ========== */
.subscribe-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  box-shadow: var(--shadow-sm);
  align-items: center;
}
.subscribe-panel .subscribe-text h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 8px;
}
.subscribe-panel .subscribe-text p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.subscribe-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  font-size: 14px;
  transition: all var(--transition);
  min-width: 180px;
}
.subscribe-form input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(47, 107, 174, 0.15);
}
.subscribe-form .btn {
  flex-shrink: 0;
}
/* ========== 页脚 ========== */
.site-footer {
  background: #F0F5FA;
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 16px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 320px;
}
.footer-col h4,
.footer-subscribe h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
  transition: all var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-subscribe p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 13px;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--primary);
}
.footer-links .sep {
  color: var(--border-dark);
}
/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .entry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .report-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .subscribe-panel {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .drawer-overlay.is-visible {
    display: block;
  }
  .section {
    padding: 40px 0;
  }
  .page-header {
    padding: 36px 0 32px;
  }
  .page-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-header-visual {
    max-width: 100%;
    width: 100%;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .data-card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .entry-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .section-title {
    font-size: 22px;
  }
  .report-block {
    padding: 20px;
  }
  .subscribe-panel {
    padding: 24px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .page-header-left h1 {
    font-size: 26px;
  }
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .stat-number {
    font-size: 28px;
  }
  .ranking-item {
    flex-wrap: wrap;
    gap: 8px;
  }
  .ranking-item .rank-value {
    width: 100%;
    text-align: left;
    padding-left: 52px;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .subscribe-form input {
    width: 100%;
  }
  .subscribe-form .btn {
    width: 100%;
  }
}