/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #13224a;
            --primary-dark: #060e1c;
            --accent: #e8b830;
            --accent-hover: #f0c94a;
            --accent-dim: rgba(232, 184, 48, 0.15);
            --text-main: #f0f2f5;
            --text-secondary: #a8b2c6;
            --text-muted: #6b7a95;
            --bg-body: #0a1628;
            --bg-card: #121e34;
            --bg-card-hover: #182a45;
            --bg-sidebar: #060e1c;
            --border-color: rgba(232, 184, 48, 0.12);
            --border-light: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(232, 184, 48, 0.08);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --sidebar-width: 240px;
            --header-height: 0px;
            --max-width: 1280px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            display: flex;
            min-height: 100vh;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; color: inherit; }
        button { cursor: pointer; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-main); }
        h1 { font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1em; }
        ::selection { background: var(--accent); color: var(--primary); }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: var(--primary); }
        ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-light);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 0;
            transition: transform var(--transition);
            overflow-y: auto;
        }
        .sidebar-logo {
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .sidebar-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 800;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .sidebar-logo .logo-text small {
            display: block;
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.06em;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
        }
        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-muted);
            padding: 12px 12px 6px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 2px;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav a:hover {
            background: var(--accent-dim);
            color: var(--accent);
        }
        .sidebar-nav a:hover i { color: var(--accent); }
        .sidebar-nav a.active {
            background: var(--accent-dim);
            color: var(--accent);
            border-left: 3px solid var(--accent);
        }
        .sidebar-nav a.active i { color: var(--accent); }
        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid var(--border-light);
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--bg-sidebar);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text-main);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .mobile-topbar .menu-toggle:hover { background: var(--bg-card-hover); }
        .mobile-topbar .mobile-logo {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .mobile-topbar .mobile-logo small { color: var(--text-muted); font-weight: 400; font-size: 0.7rem; display: block; }

        /* ===== 移动端遮罩 ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.7);
            z-index: 998;
            backdrop-filter: blur(4px);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.02);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg { transform: scale(1.06); }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.6) 50%, rgba(10,22,40,0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 32px;
        }
        .hero .container { width: 100%; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-dim);
            border: 1px solid rgba(232, 184, 48, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .hero-badge i { font-size: 0.9rem; }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            max-width: 800px;
        }
        .hero h1 .highlight { color: var(--accent); }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(232, 184, 48, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border-color: rgba(255,255,255,0.18);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.3);
            color: var(--text-main);
            transform: translateY(-2px);
        }
        .btn-lg { padding: 16px 40px; font-size: 1.05rem; }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 50px;
            padding-top: 36px;
            border-top: 1px solid var(--border-light);
        }
        .hero-stat h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 4px;
        }
        .hero-stat p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark { background: var(--primary-dark); }
        .section-card { background: var(--bg-card); }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .subtitle {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* ===== 分类入口卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .category-card:hover::before { transform: scaleX(1); }
        .category-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            border-color: rgba(232, 184, 48, 0.2);
        }
        .category-card .card-icon {
            width: 52px;
            height: 52px;
            background: var(--accent-dim);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .category-card h3 { margin-bottom: 8px; font-size: 1.2rem; }
        .category-card p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
        }
        .category-card .card-link i { font-size: 0.8rem; transition: var(--transition); }
        .category-card:hover .card-link i { transform: translateX(4px); }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(232, 184, 48, 0.12);
            transform: translateX(6px);
            box-shadow: var(--shadow-sm);
        }
        .news-item .news-rank {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--accent-dim);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--accent);
        }
        .news-item .news-body { flex: 1; min-width: 0; }
        .news-item .news-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .news-item:hover .news-body h4 { color: var(--accent); }
        .news-item .news-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .news-item .news-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .news-item .news-meta .tag {
            background: var(--accent-dim);
            color: var(--accent);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.7rem;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }

        /* ===== 特色/数据板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .feature-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-card .f-icon {
            font-size: 2.4rem;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .feature-card h4 { margin-bottom: 8px; }
        .feature-card p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 36px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
        }
        .step-item:last-child::after { display: none; }
        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--accent-dim);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            margin: 0 auto 18px;
        }
        .step-item h4 { margin-bottom: 6px; }
        .step-item p { color: var(--text-secondary); font-size: 0.88rem; margin: 0; }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(232, 184, 48, 0.12); }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p { color: var(--text-secondary); font-size: 0.92rem; margin: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .cta-box {
            text-align: center;
            padding: 64px 32px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.7) 100%);
            border-radius: var(--radius-lg);
        }
        .cta-box > * { position: relative; z-index: 2; }
        .cta-box h2 { margin-bottom: 12px; }
        .cta-box p { color: var(--text-secondary); max-width: 520px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-box .btn { margin: 0 auto; }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-sidebar);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p { color: var(--text-secondary); font-size: 0.88rem; max-width: 360px; }
        .footer-col h5 {
            font-size: 0.9rem;
            color: var(--text-main);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            body { display: block; }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .sidebar.open { transform: translateX(0); }
            .sidebar-overlay.active { display: block; }
            .mobile-topbar { display: flex; }
            .main-wrapper { margin-left: 0; }
            .container { padding: 0 20px; }
            .hero { min-height: 70vh; }
            .hero-content { padding: 60px 20px; }
            .hero-stats { gap: 24px; }
            .hero-stat h3 { font-size: 1.6rem; }
            .section { padding: 50px 0; }
            .section-title { margin-bottom: 32px; }
            .category-grid { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; gap: 12px; padding: 16px 18px; }
            .news-item .news-rank { width: 30px; height: 30px; font-size: 0.8rem; }
            .features-grid { grid-template-columns: 1fr 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .step-item::after { display: none; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-box { padding: 40px 20px; }
        }

        @media (max-width: 520px) {
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .features-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .news-item .news-meta { flex-direction: column; gap: 6px; }
            .sidebar { width: 100%; max-width: 320px; }
        }

        /* ===== 辅助 ===== */
        .text-accent { color: var(--accent); }
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== 加载动画 ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .hero-content { animation: fadeUp 0.8s ease forwards; }
        .section { animation: fadeUp 0.6s ease forwards; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b2070f;
            --primary-light: #ff2a2a;
            --secondary: #0a0a0f;
            --secondary-light: #1a1a2e;
            --accent: #f5c518;
            --bg-body: #0d0d14;
            --bg-card: #161622;
            --bg-card-hover: #1e1e32;
            --bg-sidebar: #0f0f1a;
            --bg-mobile-header: #0a0a14;
            --text-primary: #f0f0f0;
            --text-secondary: #a0a0b8;
            --text-weak: #6a6a82;
            --border-color: #2a2a40;
            --border-light: #3a3a50;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(229, 9, 20, 0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 240px;
            --header-height: 64px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
            display: flex;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: transparent;
            color: var(--text-primary);
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-sidebar);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-light);
        }

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

        /* ===== 侧边栏 (桌面端) ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
            padding: 0 0 24px 0;
        }
        .sidebar-brand {
            padding: 24px 20px 16px 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.3px;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--text-weak);
            padding: 8px 12px 6px 12px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 17px;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .sidebar-nav a.active {
            color: var(--primary);
            background: rgba(229, 9, 20, 0.12);
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }
        .sidebar-nav a.active i {
            color: var(--primary);
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg-body);
            position: relative;
            z-index: 1;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--bg-mobile-header);
            border-bottom: 1px solid var(--border-color);
            padding: 0 16px;
            height: var(--header-height);
            align-items: center;
            justify-content: space-between;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .mobile-header .menu-toggle {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            transition: background var(--transition);
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-header .mobile-logo {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        /* ===== 侧边栏遮罩 ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Hero / 分类Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 70px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 50%, #0d0d1a 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            z-index: 0;
            filter: saturate(0.7) brightness(0.5);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(229, 9, 20, 0.08) 0%, transparent 70%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(229, 9, 20, 0.18);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid rgba(229, 9, 20, 0.25);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .category-hero .hero-badge i {
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.15;
        }
        .category-hero h1 span {
            color: var(--primary-light);
        }
        .category-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .category-hero .hero-stats .stat-number small {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-weak);
            margin-left: 4px;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-weak);
            font-weight: 400;
        }
        .section-header .section-link {
            font-size: 14px;
            color: var(--primary-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .section-header .section-link:hover {
            gap: 10px;
            color: var(--primary);
        }
        .section-divider {
            height: 1px;
            background: var(--border-color);
            margin: 0 24px;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ===== 赛事分类卡片 ===== */
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px 24px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .sport-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .sport-card:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }
        .sport-card:hover::before {
            opacity: 1;
        }
        .sport-card .sport-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(229, 9, 20, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .sport-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 4px;
        }
        .sport-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .sport-card .sport-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }
        .sport-card .sport-tags .tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-weak);
            border: 1px solid var(--border-color);
            font-weight: 500;
            transition: all var(--transition);
        }
        .sport-card .sport-tags .tag:hover {
            background: rgba(229, 9, 20, 0.12);
            color: var(--primary-light);
            border-color: rgba(229, 9, 20, 0.2);
        }
        .sport-card .sport-count {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 赛事推荐卡片 (带图) ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            border-color: var(--border-light);
        }
        .event-card .event-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--secondary-light);
            transition: transform var(--transition);
        }
        .event-card:hover .event-img {
            transform: scale(1.02);
        }
        .event-card .event-body {
            padding: 20px 20px 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .event-card .event-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }
        .event-card .event-meta .badge {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 50px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .event-card .event-meta .badge.live {
            background: rgba(229, 9, 20, 0.2);
            color: var(--primary-light);
            border: 1px solid rgba(229, 9, 20, 0.2);
        }
        .event-card .event-meta .badge.hot {
            background: rgba(245, 197, 24, 0.15);
            color: var(--accent);
            border: 1px solid rgba(245, 197, 24, 0.2);
        }
        .event-card .event-meta .badge.upcoming {
            background: rgba(0, 200, 255, 0.12);
            color: #4fc3f7;
            border: 1px solid rgba(0, 200, 255, 0.15);
        }
        .event-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .event-card .event-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .event-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 8px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .event-card .event-footer .event-time {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card .event-footer .event-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .event-card .event-footer .event-btn:hover {
            gap: 8px;
            color: var(--primary);
        }

        /* ===== 数据统计板块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .stat-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all var(--transition);
        }
        .stat-block:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .stat-block .stat-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .stat-block .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.1;
        }
        .stat-block .stat-number .plus {
            font-size: 22px;
            color: var(--primary-light);
            margin-left: 2px;
        }
        .stat-block .stat-label {
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 500;
            margin-top: 6px;
        }

        /* ===== 赛程时间线 ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .schedule-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .schedule-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .schedule-item .schedule-time {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            min-width: 80px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .schedule-item .schedule-time i {
            font-size: 14px;
        }
        .schedule-item .schedule-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .schedule-item .schedule-info .s-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .schedule-item .schedule-info .s-detail {
            font-size: 13px;
            color: var(--text-weak);
        }
        .schedule-item .schedule-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            flex-shrink: 0;
        }
        .schedule-item .schedule-status.live {
            background: rgba(229, 9, 20, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(229, 9, 20, 0.2);
        }
        .schedule-item .schedule-status.upcoming {
            background: rgba(0, 200, 255, 0.1);
            color: #4fc3f7;
            border: 1px solid rgba(0, 200, 255, 0.15);
        }
        .schedule-item .schedule-status.finished {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-weak);
            border: 1px solid var(--border-color);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item .faq-question i {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item .faq-answer a {
            color: var(--primary-light);
            font-weight: 500;
        }
        .faq-item .faq-answer a:hover {
            text-decoration: underline;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px auto;
            line-height: 1.6;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(229, 9, 20, 0.4);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: var(--border-light);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary-light);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.25);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            gap: 6px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
            gap: 10px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-sidebar);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px 0;
            margin-top: auto;
        }
        .footer .container {
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 400px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-weak);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-weak);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .sidebar-overlay {
                display: block;
            }
            .category-hero {
                padding: 60px 0 50px 0;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 16px;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 22px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 16px;
            }
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-block .stat-number {
                font-size: 28px;
            }
            .schedule-item {
                padding: 14px 16px;
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .schedule-item .schedule-time {
                min-width: auto;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-block {
                padding: 20px 16px;
            }
            .stat-block .stat-number {
                font-size: 24px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cta-section h2 {
                font-size: 20px;
            }
            .cta-section .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }
            .sport-card {
                padding: 20px 18px;
            }
            .event-card .event-body {
                padding: 16px;
            }
            .footer {
                padding: 32px 0 20px 0;
            }
        }

        @media (min-width: 769px) {
            .sidebar {
                transform: translateX(0) !important;
            }
            .sidebar-overlay {
                display: none !important;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .bg-gradient-dark {
            background: linear-gradient(180deg, var(--bg-body) 0%, var(--secondary) 100%);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-light: #f9c784;
            --bg-dark: #0b1a2e;
            --bg-card: #112240;
            --bg-card-hover: #1a2f4e;
            --bg-body: #0a1628;
            --bg-section: #0f1d33;
            --text-primary: #e8edf2;
            --text-secondary: #a0b4c8;
            --text-muted: #6a7f9a;
            --border-color: rgba(230, 57, 70, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 220px;
            --sidebar-collapsed: 64px;
            --header-height: 0px;
            --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== Sidebar Navigation ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-light);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 24px 0 20px;
            transition: var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-logo {
            padding: 0 20px 24px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 20px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
            -webkit-text-fill-color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .sidebar-nav {
            padding: 0 12px;
            flex: 1;
        }

        .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            padding: 0 8px 12px;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 2px;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--text-primary);
        }

        .sidebar-nav a.active {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            font-weight: 600;
        }

        .sidebar-nav a.active i {
            color: var(--primary-light);
        }

        /* ===== Main Content Area ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }

        /* ===== Article Detail ===== */
        .article-header {
            background: var(--bg-section);
            padding: 40px 0 36px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .article-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .article-header .container {
            position: relative;
            z-index: 1;
        }

        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-category i {
            font-size: 12px;
        }

        .article-date {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date i {
            font-size: 13px;
        }

        .article-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            max-width: 900px;
        }

        .article-desc {
            font-size: 17px;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 800px;
            line-height: 1.6;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 48px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }

        .article-main {
            min-width: 0;
        }

        .article-content {
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text-primary);
        }

        .article-content h2 {
            font-size: 24px;
            margin: 36px 0 16px;
            color: var(--text-primary);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-content h3 {
            font-size: 20px;
            margin: 28px 0 12px;
            color: var(--text-primary);
        }

        .article-content p {
            margin-bottom: 18px;
            color: var(--text-secondary);
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
            color: var(--text-secondary);
        }

        .article-content li {
            margin-bottom: 8px;
            list-style: disc;
        }

        .article-content ol li {
            list-style: decimal;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--accent);
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230, 57, 70, 0.06);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content .content-image {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .article-content .content-image img {
            margin: 0;
            box-shadow: none;
        }

        .article-content .content-image figcaption {
            padding: 12px 16px;
            font-size: 13px;
            color: var(--text-muted);
            background: var(--bg-card);
            text-align: center;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .article-tag {
            display: inline-block;
            background: var(--bg-card);
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .article-tag:hover {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary-light);
            border-color: rgba(230, 57, 70, 0.2);
        }

        /* ===== Article Sidebar ===== */
        .article-sidebar {
            position: sticky;
            top: 24px;
            align-self: start;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border-light);
        }

        .sidebar-widget h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
        }
        .sidebar-widget h4 i {
            color: var(--primary-light);
            font-size: 15px;
        }

        .sidebar-widget ul li {
            margin-bottom: 10px;
        }

        .sidebar-widget ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .sidebar-widget ul li:last-child a {
            border-bottom: none;
        }

        .sidebar-widget ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .sidebar-widget ul li a i {
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.12), rgba(241, 162, 97, 0.08));
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        .sidebar-cta h4 {
            color: var(--primary-light);
        }

        .sidebar-cta p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-download:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
            color: #fff;
        }

        /* ===== Not Found State ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
        }

        .not-found-box i {
            font-size: 56px;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer .container {
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

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

        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-widget {
                margin-bottom: 0;
            }
            .sidebar-cta {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                width: var(--sidebar-collapsed);
                padding: 16px 0;
            }
            .sidebar-logo {
                padding: 0 12px 16px;
            }
            .logo-text {
                font-size: 14px;
                line-height: 1.2;
            }
            .logo-sub {
                display: none;
            }
            .sidebar-nav a span {
                display: none;
            }
            .sidebar-nav a {
                justify-content: center;
                padding: 10px;
            }
            .sidebar-nav a i {
                margin: 0;
                font-size: 18px;
            }
            .nav-label {
                display: none;
            }
            .main-wrapper {
                margin-left: var(--sidebar-collapsed);
            }
            .article-title {
                font-size: 24px;
            }
            .article-header {
                padding: 28px 0 24px;
            }
            .article-body-section {
                padding: 32px 0 40px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .sidebar {
                width: 100%;
                height: auto;
                bottom: auto;
                flex-direction: row;
                padding: 0 12px;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                overflow-x: auto;
                overflow-y: hidden;
                align-items: center;
            }
            .sidebar-logo {
                padding: 10px 12px 10px 0;
                border-bottom: none;
                margin-bottom: 0;
                flex-shrink: 0;
                border-right: 1px solid var(--border-light);
                margin-right: 8px;
            }
            .logo-text {
                font-size: 13px;
            }
            .sidebar-nav {
                display: flex;
                gap: 4px;
                padding: 4px 0;
                flex: 1;
            }
            .sidebar-nav a {
                padding: 8px 10px;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .sidebar-nav a span {
                display: inline;
                font-size: 13px;
            }
            .nav-label {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                margin-top: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .article-title {
                font-size: 20px;
            }
            .article-desc {
                font-size: 15px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-meta-bar {
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .not-found-box {
                padding: 48px 16px;
            }
            .not-found-box i {
                font-size: 40px;
            }
            .not-found-box h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 400px) {
            .sidebar-nav a span {
                font-size: 12px;
            }
            .sidebar-nav a {
                padding: 6px 8px;
            }
            .logo-text {
                font-size: 12px;
            }
            .article-title {
                font-size: 18px;
            }
        }