/* roulang page: index */
:root {
            --primary: #0A4A6E;
            --primary-dark: #083856;
            --primary-light: #0F5A84;
            --accent: #FF7F50;
            --accent-dark: #E66730;
            --accent-light: #FF9F7A;
            --bg-light: #E0F2F1;
            --bg-white: #FFFFFF;
            --text-dark: #1A1A1A;
            --text-mid: #4A4A4A;
            --text-light: #999999;
            --border: #DDDDDD;
            --radius: 8px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15), 0 2px 6px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s ease;
            --font-title: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --max-width: 1200px;
            --gutter: 16px;
            --card-gap: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        a:hover {
            color: var(--accent);
        }

        button,
        .button {
            transition: var(--transition);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        .section-padding {
            padding: 80px 0;
        }

        @media (max-width: 640px) {
            .section-padding {
                padding: 48px 0;
            }
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
        }

        h1 {
            font-size: 36px;
            letter-spacing: 2px;
        }

        h2 {
            font-size: 28px;
            letter-spacing: 1px;
        }

        h3 {
            font-size: 22px;
            font-weight: 600;
        }

        h4 {
            font-size: 18px;
            font-weight: 500;
        }

        p {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.7;
        }

        .text-small {
            font-size: 14px;
        }

        .text-xs {
            font-size: 12px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            position: relative;
            display: inline-block;
            padding-bottom: 16px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title p {
            margin-top: 12px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            color: var(--text-light);
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
            transition: var(--transition);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px var(--gutter);
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 8px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            position: relative;
            margin: 0 16px;
        }

        .header-search input {
            width: 100%;
            padding: 8px 16px 8px 36px;
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 14px;
            background: var(--bg-light);
            transition: var(--transition);
            outline: none;
        }

        .header-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(10, 74, 110, 0.10);
        }

        .header-search i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
        }

        .header-hot {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .hot-label {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
        }

        .hot-tag {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(255, 127, 80, 0.12);
            color: var(--accent-dark);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .hot-tag:hover {
            background: var(--accent);
            color: #fff;
        }

        .header-nav {
            border-top: 1px solid var(--border);
            background: var(--bg-white);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gutter);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }

        .nav-item:hover {
            color: var(--primary);
        }

        .nav-item.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }

        .nav-item i {
            margin-right: 4px;
            font-size: 14px;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }

        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 12px var(--gutter);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .mobile-menu.open {
            max-height: 600px;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-mid);
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .header-search {
                order: 3;
                max-width: 100%;
                margin: 4px 0 0;
                flex-basis: 100%;
            }

            .header-hot {
                display: none;
            }

            .header-nav {
                display: none;
            }

            .hamburger-btn {
                display: block;
            }

            .mobile-menu {
                display: block;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
        }

        @media (max-width: 480px) {
            .header-top {
                padding: 6px 12px;
            }

            .logo-text {
                font-size: 15px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            margin-top: 108px;
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(10, 74, 110, 0.92), rgba(10, 74, 110, 0.70)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 74, 110, 0.88) 0%, rgba(10, 74, 110, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 680px;
        }

        .hero-content h1 {
            font-size: 40px;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 3px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.30);
        }

        .hero-content .subtitle {
            font-size: 22px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            font-weight: 400;
            line-height: 1.5;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(255, 127, 80, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(255, 127, 80, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.70);
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-title);
        }

        .hero-stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        .hero-badge-row {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.20);
            border-radius: 20px;
            color: rgba(255, 255, 255, 0.90);
            font-size: 13px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .hero-section {
                margin-top: 98px;
                min-height: 480px;
            }

            .hero-content h1 {
                font-size: 28px;
                letter-spacing: 1px;
            }

            .hero-content .subtitle {
                font-size: 18px;
            }

            .hero-content {
                padding: 48px 0;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat-item .num {
                font-size: 24px;
            }
        }

        @media (max-width: 480px) {
            .hero-section {
                min-height: 400px;
                margin-top: 90px;
            }

            .hero-content h1 {
                font-size: 22px;
            }

            .hero-content .subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }

            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }

            .hero-stats {
                gap: 16px;
                margin-top: 32px;
            }
        }

        /* ===== 专题封面区 ===== */
        .featured-topics {
            background: var(--bg-white);
        }

        .topic-scroll {
            display: flex;
            gap: var(--card-gap);
            overflow-x: auto;
            padding: 8px 0 16px;
            -webkit-overflow-scrolling: touch;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
        }

        .topic-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .topic-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        .topic-card {
            flex: 0 0 280px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            scroll-snap-align: start;
            border: 1px solid var(--border);
        }

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

        .topic-card .topic-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--bg-light);
        }

        .topic-card .topic-body {
            padding: 16px 20px 20px;
        }

        .topic-card .topic-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .topic-card .topic-body p {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .topic-card .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card .topic-link:hover {
            color: var(--accent-dark);
        }

        @media (max-width: 640px) {
            .topic-card {
                flex: 0 0 240px;
            }

            .topic-card .topic-img {
                height: 130px;
            }
        }

        /* ===== 合集目录区 ===== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .collection-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

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

        .collection-item .col-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--bg-light);
        }

        .collection-item .col-body {
            padding: 14px 16px 16px;
        }

        .collection-item .col-body h4 {
            font-size: 16px;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .collection-item .col-body p {
            font-size: 13px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .collection-item .col-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
        }

        .collection-item .col-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--bg-light);
            color: var(--primary);
            border-radius: 10px;
            font-size: 11px;
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }

            .collection-item .col-img {
                height: 180px;
            }
        }

        /* ===== 精选条目区 ===== */
        .featured-items {
            background: var(--bg-white);
        }

        .featured-block {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 48px;
            background: var(--bg-light);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
        }

        .featured-block:last-child {
            margin-bottom: 0;
        }

        .featured-block.reverse {
            flex-direction: row-reverse;
        }

        .featured-block .feat-img {
            flex: 0 0 340px;
            height: 220px;
            border-radius: var(--radius);
            object-fit: cover;
            background: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .featured-block .feat-body {
            flex: 1;
        }

        .featured-block .feat-body h3 {
            font-size: 22px;
            margin-bottom: 12px;
        }

        .featured-block .feat-body p {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-block .feat-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .featured-block .feat-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 768px) {
            .featured-block {
                flex-direction: column !important;
                padding: 16px;
                gap: 20px;
            }

            .featured-block .feat-img {
                flex: 0 0 200px;
                width: 100%;
                height: 200px;
            }

            .featured-block .feat-body h3 {
                font-size: 18px;
            }
        }

        /* ===== 最新资讯区 (CMS) ===== */
        .latest-news {
            background: var(--bg-light);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

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

        .news-card .news-thumb {
            flex: 0 0 120px;
            width: 120px;
            height: 120px;
            border-radius: var(--radius);
            object-fit: cover;
            background: var(--bg-light);
        }

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

        .news-card .news-info h4 {
            font-size: 17px;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-info h4 a {
            color: var(--text-dark);
        }

        .news-card .news-info h4 a:hover {
            color: var(--primary);
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .news-card .news-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 500;
        }

        .news-card .news-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            margin-left: auto;
            white-space: nowrap;
        }

        .news-card .news-link:hover {
            color: var(--accent-dark);
        }

        .news-empty {
            text-align: center;
            padding: 48px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            color: var(--text-light);
            font-size: 16px;
        }

        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        @media (max-width: 640px) {
            .news-card {
                flex-direction: column;
                padding: 14px;
            }

            .news-card .news-thumb {
                flex: 0 0 160px;
                width: 100%;
                height: 160px;
            }
        }

        /* ===== 相关推荐区 ===== */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .recommend-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

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

        .recommend-card .rec-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--bg-light);
        }

        .recommend-card .rec-body {
            padding: 14px 16px 16px;
        }

        .recommend-card .rec-body h4 {
            font-size: 15px;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommend-card .rec-body .rec-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--bg-light);
            color: var(--primary);
            border-radius: 10px;
            font-size: 11px;
            font-weight: 500;
        }

        .rec-cta-wrap {
            text-align: center;
            margin-top: 40px;
        }

        .rec-cta-wrap .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .rec-cta-wrap .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 1024px) {
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .recommend-grid {
                grid-template-columns: 1fr;
            }

            .recommend-card .rec-img {
                height: 180px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(10, 74, 110, 0.15);
            padding: 4px 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-question.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 0 0 16px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-answer.open {
            max-height: 400px;
            padding: 0 0 20px 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 0;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 32px;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.80);
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-content .btn-primary {
            font-size: 18px;
            padding: 16px 48px;
        }

        @media (max-width: 640px) {
            .cta-content h2 {
                font-size: 24px;
            }

            .cta-content p {
                font-size: 15px;
            }

            .cta-content .btn-primary {
                font-size: 16px;
                padding: 14px 36px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-text span {
            color: var(--accent);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.70);
            font-size: 14px;
            max-width: 300px;
            line-height: 1.7;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.10);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.80);
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.70);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.70);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--accent-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 480px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }

        .mb-16 {
            margin-bottom: 16px;
        }

        .mb-24 {
            margin-bottom: 24px;
        }

        .mb-32 {
            margin-bottom: 32px;
        }

        .mb-48 {
            margin-bottom: 48px;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mt-24 {
            margin-top: 24px;
        }

        .mt-32 {
            margin-top: 32px;
        }

        .gap-16 {
            gap: 16px;
        }

        .gap-24 {
            gap: 24px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

/* roulang page: article */
:root {
            --primary: #0A4A6E;
            --primary-light: #126a9a;
            --accent: #FF7F50;
            --accent-hover: #e66730;
            --bg-light: #E0F2F1;
            --bg-white: #FFFFFF;
            --text-dark: #1A1A1A;
            --text-mid: #4A4A4A;
            --text-light: #999999;
            --border: #DDDDDD;
            --radius: 8px;
            --shadow-card: 0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.12);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.15);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.1);
            --font-title: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --content-max-width: 860px;
            --spacing: 16px;
            --transition: all 0.25s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing); }
        .content-container { max-width: var(--content-max-width); margin: 0 auto; padding: 0 var(--spacing); }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-nav);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 10px;
        }
        .logo-text {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text span { color: var(--accent); }
        .header-search {
            flex: 1;
            max-width: 360px;
            min-width: 180px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            padding: 8px 16px 8px 36px;
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 14px;
            background: #f5f7fa;
            transition: var(--transition);
            outline: none;
        }
        .header-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(10,74,110,0.15);
        }
        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
        }
        .header-hot {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .header-hot .hot-label {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
        }
        .hot-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 12px;
            background: #f0f4f8;
            color: var(--primary);
            border: 1px solid rgba(10,74,110,0.15);
            transition: var(--transition);
            cursor: default;
        }
        .hot-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .header-nav {
            border-top: 1px solid #eee;
            background: var(--bg-white);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-inner::-webkit-scrollbar { display: none; }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-item i { font-size: 16px; }
        .nav-item:hover { color: var(--primary); border-bottom-color: var(--primary-light); background: #f9fbfc; }
        .nav-item.active { color: var(--primary); border-bottom-color: var(--accent); font-weight: 600; }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            padding: 6px 12px;
            cursor: pointer;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            background: var(--bg-white);
            border-bottom: 1px solid #eee;
            padding: 12px 0;
        }
        .breadcrumb {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { color: #ccc; }

        /* ===== Article Main ===== */
        .article-main {
            padding: 40px 0 60px;
            background: var(--bg-white);
        }
        .article-header {
            margin-bottom: 32px;
            border-bottom: 1px solid #f0f0f0;
            padding-bottom: 24px;
        }
        .article-title {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--text-light);
        }
        .article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
        .article-meta .meta-item i { font-size: 14px; color: var(--primary); }
        .article-category {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(10,74,110,0.1);
            color: var(--primary);
        }
        .article-body {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-mid);
        }
        .article-body h2 { font-size: 26px; font-weight: 700; color: var(--text-dark); margin: 32px 0 16px; }
        .article-body h3 { font-size: 22px; font-weight: 600; color: var(--text-dark); margin: 28px 0 12px; }
        .article-body h4 { font-size: 18px; font-weight: 600; color: var(--text-dark); margin: 24px 0 10px; }
        .article-body p { margin-bottom: 18px; }
        .article-body ul, .article-body ol { margin: 12px 0 18px 24px; }
        .article-body li { margin-bottom: 8px; }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: #f9fafb;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--text-mid);
            font-style: italic;
        }
        .article-body img {
            margin: 24px auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
        }
        .article-body pre {
            background: #1e2a3a;
            color: #e8e8e8;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.5;
            margin: 24px 0;
        }
        .article-body code {
            background: #f0f2f5;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 15px;
            color: #d63384;
        }
        .article-body pre code { background: transparent; color: inherit; padding: 0; }
        .article-body a { color: var(--primary); border-bottom: 1px solid rgba(10,74,110,0.25); }
        .article-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }

        /* ===== Not Found ===== */
        .article-notfound {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
        }
        .article-notfound h2 { font-size: 28px; color: var(--text-dark); margin-bottom: 16px; }
        .article-notfound p { color: var(--text-light); font-size: 16px; margin-bottom: 24px; }
        .article-notfound .btn-back {
            display: inline-block;
            padding: 10px 32px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #fff;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-notfound .btn-back:hover { background: var(--primary-light); color: #fff; }

        /* ===== Related Section ===== */
        .related-section {
            padding: 50px 0;
            background: var(--bg-light);
        }
        .related-section .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 36px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .related-card .card-link:hover { color: var(--accent); }
        .related-bottom {
            text-align: center;
            margin-top: 32px;
        }
        .btn-back-list {
            display: inline-block;
            padding: 10px 32px;
            border-radius: var(--radius);
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 500;
            transition: var(--transition);
            background: transparent;
        }
        .btn-back-list:hover { background: var(--primary); color: #fff; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.85);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text { color: #fff; margin-bottom: 12px; display: inline-block; }
        .footer-brand .logo-text span { color: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.7); margin-bottom: 16px; max-width: 400px; }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.12);
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: #fff; transform: scale(1.08); }
        .footer-links h4 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }
        .footer-links ul { list-style: none; }
        .footer-links ul li { margin-bottom: 10px; }
        .footer-links ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links ul li a i { width: 16px; font-size: 14px; }
        .footer-links ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a { color: rgba(255,255,255,0.8); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .article-title { font-size: 30px; }
            .related-grid { gap: 18px; }
            .footer-grid { gap: 28px; }
        }
        @media screen and (max-width: 768px) {
            .header-top { flex-wrap: wrap; padding: 10px 16px; }
            .header-search { max-width: 100%; order: 3; flex-basis: 100%; }
            .header-hot { display: none; }
            .mobile-toggle { display: block; }
            .header-nav { display: none; }
            .header-nav.open { display: block; }
            .nav-inner { flex-direction: column; padding: 8px 16px; gap: 0; }
            .nav-item { border-bottom: none; border-left: 3px solid transparent; padding: 10px 16px; }
            .nav-item.active { border-left-color: var(--accent); border-bottom: none; }
            .article-title { font-size: 26px; }
            .article-body { font-size: 16px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-brand p { max-width: 100%; }
            .article-main { padding: 24px 0 40px; }
        }
        @media screen and (max-width: 520px) {
            .article-title { font-size: 22px; }
            .article-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
            .breadcrumb { font-size: 13px; }
            .related-card .card-img { height: 160px; }
            .container { padding: 0 12px; }
            .content-container { padding: 0 12px; }
            .site-footer { padding: 32px 0 0; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .gap-12 { gap: 12px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0A4A6E;
            --primary-dark: #06334D;
            --primary-light: #12688F;
            --accent: #FF7F50;
            --accent-hover: #E66730;
            --accent-light: #FFE4D6;
            --bg-light: #E0F2F1;
            --bg-white: #FFFFFF;
            --bg-dark: #0A4A6E;
            --text-dark: #1A1A1A;
            --text-mid: #4A4A4A;
            --text-light: #999999;
            --text-white: #FFFFFF;
            --border: #DDDDDD;
            --border-light: #EEEEEE;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --nav-height: 48px;
            --gap: 24px;
            --gap-sm: 16px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        a:hover,
        a:focus {
            color: var(--accent);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 1px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gap);
            width: 100%;
        }

        .container-fluid {
            width: 100%;
            padding: 0 var(--gap);
        }

        /* ===== Typography ===== */
        .text-center {
            text-align: center;
        }

        .text-white {
            color: var(--text-white);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--text-mid);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px var(--gap);
            max-width: var(--max-width);
            margin: 0 auto;
            height: var(--header-height);
            gap: var(--gap);
        }

        .logo-text {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 1px;
        }

        .logo-text span {
            color: var(--accent);
        }

        .logo-text i {
            margin-right: 6px;
            color: var(--accent);
            font-size: 20px;
        }

        .header-search {
            flex: 1;
            max-width: 400px;
            position: relative;
            display: none;
        }

        .header-search input {
            width: 100%;
            padding: 8px 16px 8px 40px;
            border: 1.5px solid var(--border);
            border-radius: 20px;
            background: var(--bg-light);
            font-size: 14px;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .header-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(10, 74, 110, 0.1);
        }

        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
        }

        .header-hot {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            display: none;
        }

        .header-hot .hot-label {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
        }

        .header-hot .hot-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 12px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .header-hot .hot-tag:hover {
            background: var(--accent);
            color: var(--text-white);
            transform: scale(1.05);
        }

        .header-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* Navigation */
        .header-nav {
            background: var(--primary);
            padding: 0 var(--gap);
            max-width: var(--max-width);
            margin: 0 auto;
            border-radius: 0 0 var(--radius) var(--radius);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-item i {
            font-size: 14px;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-white);
        }

        .nav-item.active {
            background: var(--accent);
            color: var(--text-white);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 127, 80, 0.4);
        }

        /* ===== Hero ===== */
        .category-hero {
            padding-top: calc(var(--header-height) + var(--nav-height) + 16px);
            min-height: 480px;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(10, 74, 110, 0.92) 0%, rgba(6, 51, 77, 0.85) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 60px 0 80px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            background: rgba(255, 127, 80, 0.25);
            border: 1px solid rgba(255, 127, 80, 0.4);
            border-radius: 20px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .category-hero h1 .highlight {
            color: var(--accent);
        }

        .category-hero .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: var(--gap-sm);
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(255, 127, 80, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            color: var(--text-white);
            box-shadow: 0 6px 20px rgba(255, 127, 80, 0.45);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            color: var(--text-white);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover,
        .btn-outline:focus {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 18px;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--bg-white);
            position: relative;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--bg-light);
            position: relative;
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-text h2 {
            font-size: 30px;
            margin-bottom: 16px;
        }

        .intro-text p {
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 16px;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
            margin-top: 24px;
        }

        .intro-stat {
            text-align: center;
            padding: 16px 12px;
            background: var(--bg-light);
            border-radius: var(--radius);
        }

        .intro-stat .number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }

        .intro-stat .label {
            font-size: 13px;
            color: var(--text-mid);
            margin-top: 4px;
        }

        /* ===== Sports Categories ===== */
        .sports-categories {
            background: var(--bg-light);
        }

        .sports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .sport-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .sport-card .card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .sport-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .sport-card:hover .card-image img {
            transform: scale(1.05);
        }

        .sport-card .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: var(--accent);
            color: var(--text-white);
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
        }

        .sport-card .card-body {
            padding: 20px;
        }

        .sport-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .sport-card .card-body p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .sport-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }

        .sport-card .card-body .card-meta i {
            margin-right: 4px;
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--bg-white);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .feature-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: var(--bg-light);
            transition: var(--transition);
        }

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

        .feature-item .icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            transition: var(--transition);
        }

        .feature-item:hover .icon-circle {
            background: var(--accent);
            transform: scale(1.1);
        }

        .feature-item h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-item p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== How It Works ===== */
        .process-section {
            background: var(--primary);
            color: var(--text-white);
        }

        .process-section .section-title,
        .process-section .section-subtitle {
            color: var(--text-white);
        }

        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: rgba(255, 255, 255, 0.2);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--text-white);
            font-size: 28px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 0 0 6px rgba(255, 127, 80, 0.25);
            transition: var(--transition);
        }

        .process-step:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 0 0 10px rgba(255, 127, 80, 0.2);
        }

        .process-step h4 {
            color: var(--text-white);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Featured Events ===== */
        .featured-events {
            background: var(--bg-light);
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap);
        }

        .event-card {
            display: flex;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

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

        .event-card .event-image {
            flex: 0 0 180px;
            overflow: hidden;
            position: relative;
        }

        .event-card .event-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .event-card:hover .event-image img {
            transform: scale(1.05);
        }

        .event-card .event-body {
            flex: 1;
            padding: 20px;
        }

        .event-card .event-body .event-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 12px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .event-card .event-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .event-card .event-body p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .event-card .event-body .event-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-light);
        }

        .event-card .event-body .event-footer .btn-sm {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn {
            font-size: 18px;
            padding: 14px 44px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--gap-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: var(--bg-white);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            font-size: 16px;
            color: var(--text-dark);
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question i {
            font-size: 18px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.4s ease;
            background: var(--bg-light);
        }

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo-text {
            color: var(--text-white);
            font-size: 22px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-brand .logo-text span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        .footer-links h4 {
            color: var(--text-white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* ===== Responsive ===== */
        @media screen and (min-width: 1024px) {
            .header-search,
            .header-hot {
                display: flex;
            }
        }

        @media screen and (max-width: 1023px) {
            .header-toggle {
                display: block;
            }

            .header-search {
                display: none;
            }

            .header-hot {
                display: none;
            }

            .header-top .logo-text {
                font-size: 20px;
            }

            .category-hero h1 {
                font-size: 34px;
            }

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

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-grid::before {
                display: none;
            }

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

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

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

            .intro-image {
                order: -1;
            }
        }

        @media screen and (max-width: 768px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .section-padding {
                padding: 60px 0;
            }

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

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-desc {
                font-size: 16px;
            }

            .event-card {
                flex-direction: column;
            }

            .event-card .event-image {
                flex: 0 0 160px;
            }

            .intro-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .cta-section h2 {
                font-size: 28px;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --gap: 12px;
                --gap-sm: 12px;
            }

            .header-top {
                padding: 8px 12px;
                height: 60px;
            }

            .header-nav {
                padding: 0 12px;
            }

            .nav-item {
                padding: 6px 14px;
                font-size: 13px;
            }

            .nav-item i {
                font-size: 12px;
            }

            .category-hero {
                padding-top: calc(60px + var(--nav-height) + 12px);
                min-height: 360px;
            }

            .category-hero .hero-content {
                padding: 40px 0 60px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
                margin-bottom: 24px;
            }

            .category-hero .hero-actions .btn {
                padding: 10px 24px;
                font-size: 14px;
            }

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

            .section-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }

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

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

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

            .process-step .step-number {
                width: 60px;
                height: 60px;
                font-size: 22px;
            }

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

            .intro-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .intro-stat .number {
                font-size: 22px;
            }

            .intro-stat .label {
                font-size: 12px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 15px;
            }

            .cta-section .btn {
                padding: 12px 32px;
                font-size: 16px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer p {
                font-size: 14px;
            }

            .events-grid {
                gap: var(--gap-sm);
            }

            .section-padding {
                padding: 48px 0;
            }
        }

        @media screen and (max-width: 480px) {
            .header-top .logo-text {
                font-size: 17px;
            }

            .nav-item {
                padding: 5px 10px;
                font-size: 12px;
                gap: 4px;
            }

            .category-hero h1 {
                font-size: 20px;
            }

            .category-hero .hero-badge {
                font-size: 11px;
                padding: 2px 12px;
            }

            .btn-lg {
                padding: 10px 24px;
                font-size: 14px;
            }

            .intro-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }

            .intro-stat {
                padding: 10px 6px;
            }

            .intro-stat .number {
                font-size: 18px;
            }

            .intro-stat .label {
                font-size: 11px;
            }
        }