/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1f3d;
            --primary-light: #1a3058;
            --primary-dark: #0a1429;
            --accent: #d4a843;
            --accent-hover: #c49a35;
            --accent-light: #f0d68a;
            --red: #e64a4a;
            --red-hover: #d43838;
            --bg: #f7f8fa;
            --bg-alt: #eef0f4;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #5a6a7e;
            --text-muted: #8a9aaa;
            --border: #e2e6ec;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(15, 31, 61, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 31, 61, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 31, 61, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--primary); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { margin-bottom: 1em; color: var(--text-light); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Header & Navigation (分段标签风格) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-sm); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, var(--primary) 40%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-wrap { display: flex; align-items: center; gap: 8px; }
        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list a {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-list a:hover { color: var(--primary); background: var(--bg-alt); }
        .nav-list a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(15,31,61,0.2);
        }
        .nav-list a.active i { color: var(--accent); }
        .nav-list a i { margin-right: 6px; font-size: 0.85rem; }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 100px;
            transition: all var(--transition);
            margin-left: 12px;
            white-space: nowrap;
        }
        .header-cta:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212,168,67,0.35); }
        .menu-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 8px; }

        @media (max-width: 768px) {
            .nav-wrap {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s ease;
                pointer-events: none;
                gap: 16px;
            }
            .nav-wrap.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-list { flex-direction: column; width: 100%; gap: 4px; }
            .nav-list a { width: 100%; text-align: center; padding: 12px 20px; border-radius: var(--radius-sm); }
            .header-cta { width: 100%; justify-content: center; margin-left: 0; }
            .menu-toggle { display: block; }
            .header-inner { padding: 0 16px; }
        }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 620px;
            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: 0.45;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,31,61,0.88) 0%, rgba(15,31,61,0.60) 50%, rgba(212,168,67,0.20) 100%);
        }
        .hero .container { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(212,168,67,0.18);
            border: 1px solid rgba(212,168,67,0.3);
            border-radius: 100px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i { color: var(--accent); }
        .hero h1 {
            color: #fff;
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            color: rgba(255,255,255,0.75);
            font-size: clamp(1rem, 2vw, 1.2rem);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 100px;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(212,168,67,0.35);
        }
        .btn-primary:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(212,168,67,0.45); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 100px;
            transition: all var(--transition);
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(212,168,67,0.10); }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 56px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.10);
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
        .hero-stat .num span { color: var(--accent); }
        .hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 4px; }

        @media (max-width: 768px) {
            .hero { min-height: 480px; }
            .hero .container { padding: 60px 16px; }
            .hero-stats { gap: 24px 32px; }
            .hero-stat .num { font-size: 1.5rem; }
        }

        /* ===== Section Common ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-title {
            text-align: center;
            margin-bottom: 16px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--red));
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) { .section { padding: 56px 0; } }

        /* ===== Features / 核心优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent-light); }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            color: var(--accent);
        }
        .feature-card h3 { margin-bottom: 12px; font-size: 1.15rem; }
        .feature-card p { font-size: 0.95rem; margin-bottom: 0; }

        /* ===== Categories / 赛事分类入口 ===== */
        .cats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
        }
        .cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent-light); }
        .cat-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .cat-card:hover img { transform: scale(1.06); }
        .cat-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 40%, rgba(15,31,61,0.85));
        }
        .cat-card .info {
            position: relative;
            z-index: 2;
            padding: 20px 22px;
            width: 100%;
        }
        .cat-card .info h3 { color: #fff; font-size: 1.1rem; margin-bottom: 4px; }
        .cat-card .info p { color: rgba(255,255,255,0.65); font-size: 0.85rem; margin: 0; }
        .cat-card .tag {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 2;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.02em;
        }

        /* ===== CMS Latest / 最新资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent-light); }
        .news-card .thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            background: var(--bg-alt);
            overflow: hidden;
            position: relative;
        }
        .news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .news-card:hover .thumb img { transform: scale(1.05); }
        .news-card .body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-card .meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
        .news-card .meta .cat { background: var(--bg-alt); padding: 2px 12px; border-radius: 100px; color: var(--text-light); font-weight: 500; }
        .news-card .meta .cat i { margin-right: 4px; color: var(--accent); }
        .news-card .meta .date i { margin-right: 4px; }
        .news-card h3 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.35; flex: 1; }
        .news-card h3 a { color: var(--text); }
        .news-card h3 a:hover { color: var(--accent); }
        .news-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .news-card .read-more i { transition: transform var(--transition); }
        .news-card:hover .read-more i { transform: translateX(4px); }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 1rem;
        }
        .news-empty i { font-size: 2rem; color: var(--border); margin-bottom: 16px; display: block; }

        /* ===== Stats / 数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .stat-card .num { font-size: 2.4rem; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
        .stat-card .num .suffix { color: var(--accent); font-size: 0.7em; }
        .stat-card .label { font-size: 0.9rem; color: var(--text-muted); margin-top: 6px; font-weight: 500; }
        .stat-card .icon { font-size: 1.2rem; color: var(--accent); margin-bottom: 12px; }

        /* ===== Process / 观赛流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-top: 48px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--red), var(--accent));
            opacity: 0.3;
        }
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .step .circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            box-shadow: 0 6px 24px rgba(15,31,61,0.15);
            border: 3px solid var(--accent-light);
            position: relative;
        }
        .step .circle::after {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px dashed rgba(212,168,67,0.25);
            animation: spin 20s linear infinite;
        }
        @keyframes spin { to { transform: rotate(360deg); } }
        .step h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .step p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

        @media (max-width: 768px) { .process-steps::before { display: none; } .step .circle { width: 64px; height: 64px; font-size: 1.4rem; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 48px auto 0; }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--accent-light); box-shadow: var(--shadow-sm); }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            list-style: none;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary i { color: var(--accent); font-size: 0.9rem; transition: transform var(--transition); }
        .faq-item[open] summary i { transform: rotate(45deg); }
        .faq-item[open] summary { color: var(--primary); }
        .faq-item .answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            margin-top: 0;
        }
        .faq-item .answer p:last-child { margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            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: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-inner h2 { color: #fff; margin-bottom: 16px; }
        .cta-inner p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-inner .btn-primary { font-size: 1.05rem; padding: 16px 44px; }
        .cta-inner .btn-outline { border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.8); }
        .cta-inner .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.6);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.45); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { font-size: 0.9rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-col ul a i { margin-right: 8px; font-size: 0.75rem; color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.4);
            transition: all var(--transition);
            font-size: 0.9rem;
        }
        .footer-socials a:hover { background: var(--accent); color: var(--primary); }

        @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-24 { margin-top: 24px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-16 { gap: 16px; }
        .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; }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .features-grid { grid-template-columns: 1fr; }
            .cats-grid { grid-template-columns: 1fr 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; }
            .process-steps { grid-template-columns: 1fr 1fr; }
            .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.9rem; }
            .hero-stats { gap: 16px 24px; }
        }
        @media (max-width: 400px) {
            .cats-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr; }
        }

        /* ===== Focus / Accessibility ===== */
        a:focus-visible, button:focus-visible, summary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
    --primary: #1a3a5c;
    --primary-light: #2a5a8c;
    --primary-dark: #0f2438;
    --accent: #e8a838;
    --accent-light: #f0c060;
    --accent-dark: #c88a20;
    --bg: #f5f7fa;
    --bg-card: #ffffff;
    --bg-dark: #0f1923;
    --text: #1a2332;
    --text-light: #5a6a7a;
    --text-white: #f0f4f8;
    --border: #dce2ea;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(26, 58, 92, 0.08);
    --shadow-hover: 0 16px 48px rgba(26, 58, 92, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --container: 1200px;
    --nav-height: 72px;
}

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

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

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ===== HEADER / NAV ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 25, 35, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(232, 168, 56, 0.15);
    height: var(--nav-height);
    transition: background var(--transition);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.3px;
    text-decoration: none;
}

.logo i {
    color: var(--accent);
    font-size: 1.6rem;
}

.logo span {
    background: linear-gradient(135deg, #f0e6d0, var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-list a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 100px;
    color: rgba(240, 248, 255, 0.75);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-list a i {
    font-size: 0.85rem;
}

.nav-list a:hover {
    color: #fff;
    background: rgba(232, 168, 56, 0.12);
}

.nav-list a.active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 4px 16px rgba(232, 168, 56, 0.3);
}

.nav-list a.active i {
    color: #fff;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 4px;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(15, 25, 35, 0.98);
        backdrop-filter: blur(18px);
        flex-direction: column;
        padding: 16px 20px 24px;
        gap: 4px;
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.4s ease;
        border-bottom: 2px solid rgba(232, 168, 56, 0.2);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }

    .nav-list.open {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-list a {
        width: 100%;
        padding: 12px 18px;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }
}

/* ===== PAGE HERO (BANNER) ===== */
.page-hero {
    position: relative;
    padding: 120px 0 64px;
    background: var(--bg-dark);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 280px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 25, 35, 0.88) 40%, rgba(26, 58, 92, 0.7) 100%);
    z-index: 1;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--bg), transparent);
    z-index: 2;
}

.page-hero .container {
    position: relative;
    z-index: 3;
}

.page-hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.25;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    max-width: 800px;
}

.page-hero .meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    color: rgba(240, 248, 255, 0.7);
    font-size: 0.95rem;
}

.page-hero .meta-line span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-hero .meta-line i {
    color: var(--accent);
}

.page-hero .category-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    background: var(--accent);
    color: var(--bg-dark);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 100px 0 40px;
        min-height: 200px;
    }

    .page-hero h1 {
        font-size: 1.6rem;
    }

    .page-hero .meta-line {
        font-size: 0.85rem;
        gap: 10px 18px;
    }
}

@media (max-width: 520px) {
    .page-hero h1 {
        font-size: 1.35rem;
    }
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding: 48px 0 64px;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
}

/* Article Body */
.article-body {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.article-body .article-inner {
    padding: 40px 44px;
}

@media (max-width: 768px) {
    .article-body .article-inner {
        padding: 24px 20px;
    }
}

.article-body .featured-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.article-body .article-content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text);
}

.article-body .article-content p {
    margin-bottom: 1.4em;
}

.article-body .article-content h2,
.article-body .article-content h3 {
    margin-top: 1.8em;
    margin-bottom: 0.6em;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
}

.article-body .article-content h2 {
    font-size: 1.55rem;
}

.article-body .article-content h3 {
    font-size: 1.25rem;
}

.article-body .article-content ul,
.article-body .article-content ol {
    padding-left: 1.6em;
    margin-bottom: 1.4em;
}

.article-body .article-content li {
    margin-bottom: 0.4em;
}

.article-body .article-content img {
    border-radius: var(--radius-sm);
    margin: 1.2em 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

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

.article-body .article-content a:hover {
    color: var(--accent);
}

.article-body .article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(232, 168, 56, 0.06);
    padding: 16px 24px;
    margin: 1.4em 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-light);
    font-style: italic;
}

.article-body .article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.article-body .article-footer .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.article-body .article-footer .tags span {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    background: rgba(26, 58, 92, 0.06);
    color: var(--text-light);
    font-size: 0.82rem;
    font-weight: 500;
}

.article-body .article-footer .share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-body .article-footer .share a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(26, 58, 92, 0.06);
    color: var(--text-light);
    font-size: 1rem;
    transition: all var(--transition);
}

.article-body .article-footer .share a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.sidebar-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
}

.sidebar-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card h3 i {
    color: var(--accent);
}

.sidebar-card .related-list {
    list-style: none;
}

.sidebar-card .related-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(220, 226, 234, 0.5);
}

.sidebar-card .related-list li:last-child {
    border-bottom: none;
}

.sidebar-card .related-list a {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--text);
    transition: all var(--transition);
}

.sidebar-card .related-list a:hover {
    color: var(--primary-light);
}

.sidebar-card .related-list a img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-card .related-list a .info {
    flex: 1;
    min-width: 0;
}

.sidebar-card .related-list a .info .title {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-card .related-list a .info .date {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 4px;
}

.sidebar-card .cta-box {
    text-align: center;
    padding: 12px 0 4px;
}

.sidebar-card .cta-box p {
    font-size: 0.92rem;
    color: var(--text-light);
    margin-bottom: 14px;
}

/* ===== NOT FOUND ===== */
.not-found-box {
    text-align: center;
    padding: 60px 20px;
}

.not-found-box i {
    font-size: 3.6rem;
    color: var(--text-light);
    margin-bottom: 20px;
    opacity: 0.4;
}

.not-found-box h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.not-found-box p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.not-found-box .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    background: var(--accent);
    color: var(--bg-dark);
    box-shadow: 0 4px 16px rgba(232, 168, 56, 0.25);
}

.btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(232, 168, 56, 0.35);
    color: var(--bg-dark);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    box-shadow: none;
}

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

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 16px 0 8px;
    font-size: 0.88rem;
    color: rgba(240, 248, 255, 0.6);
    position: relative;
    z-index: 3;
}

.breadcrumb a {
    color: rgba(240, 248, 255, 0.75);
    text-decoration: none;
}

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

.breadcrumb i {
    font-size: 0.7rem;
    color: rgba(240, 248, 255, 0.4);
}

.breadcrumb .current {
    color: var(--accent-light);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(240, 248, 255, 0.7);
    padding: 56px 0 28px;
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 36px;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px 24px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

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

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 340px;
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

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

.footer-col ul li a {
    color: rgba(240, 248, 255, 0.65);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    text-decoration: none;
}

.footer-col ul li a i {
    font-size: 0.65rem;
    color: var(--accent);
    transition: transform var(--transition);
}

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

.footer-col ul li a:hover i {
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid rgba(232, 168, 56, 0.12);
    font-size: 0.85rem;
}

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

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(232, 168, 56, 0.1);
    color: rgba(240, 248, 255, 0.7);
    font-size: 1.1rem;
    transition: all var(--transition);
    text-decoration: none;
}

.footer-socials a:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== SCROLL TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(232, 168, 56, 0.3);
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top:hover {
    background: var(--accent-light);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(232, 168, 56, 0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }

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

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

    .article-body .article-content {
        font-size: 1rem;
    }

    .article-body .article-content h2 {
        font-size: 1.3rem;
    }

    .article-body .article-content h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 520px) {
    .page-hero h1 {
        font-size: 1.25rem;
    }

    .article-body .article-inner {
        padding: 18px 14px;
    }

    .article-body .article-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --success: #2ecc71;
            --info: #3498db;
            --bg: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text: #1a2a3a;
            --text-light: #5a6a7a;
            --text-white: #f0f4f8;
            --border: #e0e6ed;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== Utility ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 2rem;
        }
        .text-center {
            text-align: center;
        }
        .section-padding {
            padding: 5rem 0;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            background: var(--primary);
            color: #fff;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary-dark);
        }
        .badge-blue {
            background: var(--primary-light);
            color: #fff;
        }
        .badge-green {
            background: var(--success);
            color: #fff;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-dark);
            text-decoration: none;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            color: var(--primary-dark);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        .nav-list a i {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .nav-list a:hover {
            background: rgba(26, 58, 92, 0.06);
            color: var(--primary);
        }
        .nav-list a:hover i {
            color: var(--primary);
        }
        .nav-list a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(26, 58, 92, 0.25);
        }
        .nav-list a.active i {
            color: #fff;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta .btn {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 4px;
        }
        .menu-toggle:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Hero Banner (分类页) ===== */
        .page-hero {
            margin-top: var(--header-h);
            padding: 5rem 0 4rem;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 1.5rem;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .page-hero .hero-tags .badge {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 6px 18px;
            font-size: 0.85rem;
            backdrop-filter: blur(4px);
        }

        /* ===== 分类导航 Tab ===== */
        .league-tabs {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: var(--header-h);
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .league-tabs .container {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding-top: 12px;
            padding-bottom: 12px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }
        .league-tabs .container::-webkit-scrollbar {
            height: 4px;
        }
        .league-tabs .container::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .league-tab {
            flex-shrink: 0;
            padding: 8px 22px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .league-tab i {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .league-tab:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .league-tab:hover i {
            color: #fff;
        }
        .league-tab.active {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(232, 184, 48, 0.35);
        }
        .league-tab.active i {
            color: var(--primary-dark);
        }

        /* ===== 赛程卡片网格 ===== */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .schedule-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .schedule-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .schedule-card .card-img {
            height: 180px;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .schedule-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .schedule-card:hover .card-img img {
            transform: scale(1.05);
        }
        .schedule-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .schedule-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .schedule-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .schedule-card .card-body .match-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .schedule-card .card-body .match-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .schedule-card .card-body .match-info i {
            color: var(--accent);
            width: 16px;
        }
        .schedule-card .card-body .desc {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .schedule-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .schedule-card .card-body .card-footer .tag {
            font-size: 0.78rem;
            padding: 2px 12px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text-light);
        }

        /* ===== 统计数字区 ===== */
        .stats-section {
            background: var(--primary-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ===== 联赛列表 ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .league-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 22px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 16px;
            cursor: pointer;
        }
        .league-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .league-item .league-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .league-item .league-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-dark);
        }
        .league-item .league-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* ===== 流程/步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 30px 24px;
            border: 1px solid var(--border);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .faq-item[open] summary i {
            transform: rotate(90deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 1.8rem;
        }

        /* ===== Footer (复用首页) ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo span {
            -webkit-text-fill-color: #fff;
            background: none;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--accent);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.5rem 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            color: var(--accent);
            transform: scale(1.1);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .menu-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta .btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .page-hero {
                padding: 3.5rem 0 3rem;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .league-tabs .container {
                padding-top: 8px;
                padding-bottom: 8px;
                flex-wrap: nowrap;
            }
            .league-tab {
                padding: 6px 16px;
                font-size: 0.8rem;
                white-space: nowrap;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }