/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #2563eb;
            --color-primary-light: #3b82f6;
            --color-primary-dark: #1d4ed8;
            --color-secondary: #0f1724;
            --color-accent: #38bdf8;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.375rem;
            --radius-md: 0.5rem;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-width: 240px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            font-size: 16px; line-height: 1.6; color: var(--color-text); background: var(--color-bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
        button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }
        input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }
        ul { list-style: none; }

        /* ===== 布局 ===== */
        .app-wrapper { display: flex; min-height: 100vh; }
        .main-content { flex: 1; margin-left: var(--nav-width); min-height: 100vh; }

        /* ===== 左侧导航 (桌面端) ===== */
        .side-nav {
            position: fixed; left: 0; top: 0; width: var(--nav-width); height: 100vh;
            background: var(--color-secondary); color: rgba(255,255,255,0.85);
            display: flex; flex-direction: column; z-index: 100;
            box-shadow: 2px 0 20px rgba(0,0,0,0.12); overflow-y: auto;
        }
        .side-nav .nav-brand {
            padding: 1.75rem 1.5rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,0.06);
            display: flex; align-items: center; gap: 0.75rem;
        }
        .side-nav .nav-brand .logo-icon {
            width: 36px; height: 36px; background: var(--color-primary); border-radius: var(--radius-md);
            display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 700; color: #fff; flex-shrink: 0;
        }
        .side-nav .nav-brand .logo-text { font-size: 1.15rem; font-weight: 700; color: #fff; letter-spacing: 0.5px; }
        .side-nav .nav-links { padding: 1.25rem 1rem; flex: 1; display: flex; flex-direction: column; gap: 0.25rem; }
        .side-nav .nav-links a {
            display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; border-radius: var(--radius-md);
            font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.65); transition: all var(--transition);
        }
        .side-nav .nav-links a i { width: 1.25rem; text-align: center; font-size: 1rem; }
        .side-nav .nav-links a:hover { background: rgba(255,255,255,0.08); color: #fff; }
        .side-nav .nav-links a.active { background: rgba(37,99,235,0.2); color: var(--color-accent); font-weight: 600; }
        .side-nav .nav-footer {
            padding: 1.25rem 1.5rem; border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.75rem; color: rgba(255,255,255,0.3); line-height: 1.5;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-nav {
            display: none; position: fixed; top: 0; left: 0; right: 0; height: 64px;
            background: var(--color-secondary); color: #fff; z-index: 200;
            padding: 0 1.25rem; align-items: center; justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .mobile-nav .mobile-brand { display: flex; align-items: center; gap: 0.65rem; }
        .mobile-nav .mobile-brand .logo-icon {
            width: 32px; height: 32px; background: var(--color-primary); border-radius: var(--radius-sm);
            display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; color: #fff;
        }
        .mobile-nav .mobile-brand .logo-text { font-size: 1.05rem; font-weight: 700; color: #fff; }
        .mobile-nav .hamburger { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.5rem; border-radius: var(--radius-md); }
        .mobile-nav .hamburger:hover { background: rgba(255,255,255,0.08); }
        .mobile-menu {
            display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--color-secondary);
            padding: 0.75rem 1rem 1.25rem; z-index: 199; box-shadow: 0 8px 24px rgba(0,0,0,0.18);
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .mobile-menu.open { display: block; }
        .mobile-menu a {
            display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; border-radius: var(--radius-md);
            font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.7); transition: all var(--transition);
        }
        .mobile-menu a i { width: 1.25rem; text-align: center; }
        .mobile-menu a:hover { background: rgba(255,255,255,0.08); color: #fff; }
        .mobile-menu a.active { color: var(--color-accent); background: rgba(37,99,235,0.15); }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
        .container-wide { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }

        /* ===== 板块间距 ===== */
        .section { padding: 5rem 0; }
        .section-alt { background: var(--color-bg-alt); }
        .section-dark { background: var(--color-secondary); color: rgba(255,255,255,0.9); }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--color-text); line-height: 1.3; margin-bottom: 0.75rem; }
        .section-alt .section-title { color: var(--color-text); }
        .section-dark .section-title { color: #fff; }
        .section-subtitle { font-size: 1.05rem; color: var(--color-text-muted); max-width: 600px; line-height: 1.6; }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.6); }
        .section-header { text-align: center; margin-bottom: 3.5rem; }
        .section-header .section-subtitle { margin: 0 auto; }

        /* ===== Hero ===== */
        .hero {
            position: relative; padding: 6rem 0 5rem; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 60%, #0f1724 100%);
            overflow: hidden; color: #fff;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 20%, rgba(56,189,248,0.1) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 1; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 1rem;
            background: rgba(37,99,235,0.2); border: 1px solid rgba(37,99,235,0.3); border-radius: 999px;
            font-size: 0.85rem; font-weight: 500; color: var(--color-accent); margin-bottom: 1.5rem;
        }
        .hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.25rem; letter-spacing: -0.5px; }
        .hero h1 span { color: var(--color-accent); }
        .hero p { font-size: 1.15rem; color: rgba(255,255,255,0.7); max-width: 580px; line-height: 1.7; margin-bottom: 2.25rem; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
        .hero-actions .btn-primary {
            padding: 0.85rem 2.25rem; background: var(--color-primary); color: #fff; border-radius: 999px;
            font-weight: 600; font-size: 1rem; transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(37,99,235,0.3);
        }
        .hero-actions .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.4); }
        .hero-actions .btn-secondary {
            padding: 0.85rem 2.25rem; background: rgba(255,255,255,0.08); color: #fff; border-radius: 999px;
            font-weight: 500; font-size: 1rem; border: 1px solid rgba(255,255,255,0.15); transition: all var(--transition);
        }
        .hero-actions .btn-secondary:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-surface); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border); transition: all var(--transition); overflow: hidden;
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--color-border-light); }
        .card-body { padding: 1.75rem; }
        .card-icon {
            width: 52px; height: 52px; border-radius: var(--radius-lg);
            display: flex; align-items: center; justify-content: center; font-size: 1.35rem; margin-bottom: 1.25rem;
        }
        .card-icon.blue { background: #eff6ff; color: var(--color-primary); }
        .card-icon.indigo { background: #eef2ff; color: #4f46e5; }
        .card-icon.cyan { background: #ecfeff; color: #0891b2; }
        .card-icon.emerald { background: #ecfdf5; color: #059669; }
        .card h3 { font-size: 1.2rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.5rem; }
        .card p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.6; }

        /* ===== 分类大卡片 ===== */
        .category-card {
            position: relative; border-radius: var(--radius-xl); overflow: hidden; min-height: 280px;
            display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem;
            background-size: cover; background-position: center; transition: all var(--transition);
        }
        .category-card::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(to top, rgba(15,23,36,0.85) 0%, rgba(15,23,36,0.2) 70%, transparent 100%);
            transition: all var(--transition);
        }
        .category-card:hover::before { background: linear-gradient(to top, rgba(15,23,36,0.9) 0%, rgba(15,23,36,0.3) 70%, transparent 100%); }
        .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .category-card > * { position: relative; z-index: 1; }
        .category-card .cat-icon { font-size: 2rem; color: var(--color-accent); margin-bottom: 0.75rem; }
        .category-card h3 { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
        .category-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-bottom: 1rem; max-width: 260px; line-height: 1.5; }
        .category-card .cat-link { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--color-accent); font-weight: 600; font-size: 0.9rem; }
        .category-card .cat-link i { transition: transform var(--transition); }
        .category-card:hover .cat-link i { transform: translateX(4px); }

        /* ===== 数据统计 ===== */
        .stat-item { text-align: center; padding: 1.5rem; }
        .stat-number { font-size: 2.75rem; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 0.25rem; }
        .stat-number .accent { color: var(--color-accent); }
        .stat-label { font-size: 0.95rem; color: rgba(255,255,255,0.6); font-weight: 500; }

        /* ===== 资讯列表 ===== */
        .news-card { display: flex; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--color-border); }
        .news-card:first-child { padding-top: 0; }
        .news-card:last-child { border-bottom: none; padding-bottom: 0; }
        .news-card .news-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
        .news-card .news-tag { padding: 0.2rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; background: #eff6ff; color: var(--color-primary); }
        .news-card .news-date { font-size: 0.8rem; color: var(--color-text-light); }
        .news-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.4rem; transition: color var(--transition); }
        .news-card a:hover h3 { color: var(--color-primary); }
        .news-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-empty { padding: 2rem 0; text-align: center; color: var(--color-text-muted); font-size: 0.95rem; }

        /* ===== 流程步骤 ===== */
        .step-card { text-align: center; padding: 2rem 1.5rem; position: relative; }
        .step-number {
            width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary); color: #fff;
            display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700;
            margin: 0 auto 1.25rem; box-shadow: 0 4px 14px rgba(37,99,235,0.25);
        }
        .step-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.5rem; }
        .step-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; max-width: 240px; margin: 0 auto; }
        .step-connector { display: none; }

        /* ===== FAQ ===== */
        .faq-item { border-bottom: 1px solid var(--color-border); padding: 1.25rem 0; }
        .faq-item:first-child { padding-top: 0; }
        .faq-item:last-child { border-bottom: none; padding-bottom: 0; }
        .faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; gap: 1rem; }
        .faq-question h4 { font-size: 1.05rem; font-weight: 600; color: var(--color-text); transition: color var(--transition); }
        .faq-question:hover h4 { color: var(--color-primary); }
        .faq-question i { color: var(--color-text-muted); transition: transform var(--transition); font-size: 1.1rem; flex-shrink: 0; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
        .faq-item.open .faq-answer { max-height: 300px; padding-top: 0.75rem; }
        .faq-answer p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f1724 100%); color: #fff; text-align: center; padding: 5rem 0;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.75rem; }
        .cta-section p { font-size: 1.05rem; color: rgba(255,255,255,0.7); max-width: 520px; margin: 0 auto 2rem; line-height: 1.6; }
        .cta-section .btn-cta {
            display: inline-block; padding: 0.9rem 2.5rem; background: var(--color-primary); color: #fff;
            border-radius: 999px; font-weight: 700; font-size: 1.05rem; transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(37,99,235,0.35);
        }
        .cta-section .btn-cta:hover { background: var(--color-primary-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(37,99,235,0.45); }

        /* ===== 页脚 ===== */
        .site-footer { background: #0a0f1a; color: rgba(255,255,255,0.6); padding: 3.5rem 0 2rem; }
        .site-footer .footer-brand { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.75rem; }
        .site-footer .footer-brand .logo-icon {
            width: 34px; height: 34px; background: var(--color-primary); border-radius: var(--radius-sm);
            display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; color: #fff;
        }
        .site-footer .footer-brand .logo-text { font-size: 1.1rem; font-weight: 700; color: #fff; }
        .site-footer .footer-desc { font-size: 0.9rem; line-height: 1.6; max-width: 320px; margin-bottom: 1.5rem; }
        .site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; margin-bottom: 1.5rem; }
        .site-footer .footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
        .site-footer .footer-links a:hover { color: var(--color-accent); }
        .site-footer .footer-divider { height: 1px; background: rgba(255,255,255,0.06); margin: 1.5rem 0; }
        .site-footer .footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.75rem; }
        .site-footer .copyright { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
        .site-footer .footer-socials { display: flex; gap: 0.75rem; }
        .site-footer .footer-socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.4); font-size: 0.95rem; transition: all var(--transition); }
        .site-footer .footer-socials a:hover { background: var(--color-primary); color: #fff; }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .side-nav { display: none; }
            .mobile-nav { display: flex; }
            .main-content { margin-left: 0; padding-top: 64px; }
            .hero { padding: 4rem 0 3.5rem; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .container { padding: 0 1.25rem; }
            .section { padding: 3.5rem 0; }
            .section-title { font-size: 1.6rem; }
            .stat-number { font-size: 2rem; }
            .category-card { min-height: 220px; padding: 1.5rem; }
            .news-card { flex-direction: column; gap: 0.75rem; padding: 1.25rem 0; }
            .cta-section h2 { font-size: 1.6rem; }
        }

        @media (max-width: 767px) {
            .hero h1 { font-size: 1.8rem; }
            .hero { padding: 3rem 0 2.5rem; }
            .section { padding: 2.5rem 0; }
            .section-title { font-size: 1.4rem; }
            .section-header { margin-bottom: 2rem; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
            .stat-number { font-size: 1.75rem; }
            .category-card { min-height: 180px; padding: 1.25rem; }
            .category-card h3 { font-size: 1.15rem; }
            .card-body { padding: 1.25rem; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
            .container { padding: 0 1rem; }
            .faq-question h4 { font-size: 0.95rem; }
            .step-card { padding: 1.5rem 1rem; }
            .cta-section { padding: 3rem 0; }
            .cta-section h2 { font-size: 1.4rem; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.5rem; }
            .hero-badge { font-size: 0.75rem; padding: 0.25rem 0.75rem; }
            .section-title { font-size: 1.25rem; }
            .stat-item { padding: 1rem; }
            .news-card h3 { font-size: 1rem; }
            .category-card { min-height: 160px; padding: 1rem; }
        }

        /* ===== 辅助 ===== */
        .gap-grid { display: grid; gap: 1.5rem; }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }
        @media (max-width: 1023px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 767px) {
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
        }

        .fade-in { opacity: 0; transform: translateY(20px); animation: fadeInUp 0.6s ease forwards; }
        @keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

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

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-dark: #e07a2f;
            --bg-dark: #0d1b2a;
            --bg-card: #1b2838;
            --bg-card-hover: #243447;
            --bg-section: #0f1a2b;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== Left Side Navigation ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: linear-gradient(180deg, #0a1525 0%, #0d1b2a 100%);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: 28px 0 20px;
            overflow-y: auto;
            backdrop-filter: blur(12px);
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--text-dim);
            border-radius: 4px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 24px 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .logo-text span {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 12px;
            flex: 1;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--border-radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .nav-links a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.2), rgba(230, 57, 70, 0.08));
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }

        .nav-footer {
            padding: 20px 24px 0;
            border-top: 1px solid var(--border-color);
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ===== Main Content Area ===== */
        .main-wrapper {
            margin-left: 240px;
            width: calc(100% - 240px);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-content {
            flex: 1;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(13, 27, 42, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-header .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
        .mobile-header .logo-text {
            font-size: 17px;
        }

        .menu-toggle {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            backdrop-filter: blur(4px);
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            z-index: 999;
            padding: 24px 16px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .mobile-menu-panel.open {
            transform: translateX(0);
        }
        .mobile-menu-panel .nav-links {
            padding: 0;
            margin-top: 20px;
        }
        .mobile-menu-panel .nav-brand {
            padding: 0 8px 16px;
            margin-bottom: 8px;
        }
        .mobile-menu-panel .nav-footer {
            padding: 16px 8px 0;
        }

        /* ===== Hero ===== */
        .hero-sports {
            background: linear-gradient(135deg, #0d1b2a 0%, #1a0a0e 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-sports::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12), transparent 70%);
            pointer-events: none;
        }

        .hero-sports::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-sports .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-sports h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sports .hero-sub {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .hero-stat-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            padding: 16px 12px;
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 4px;
        }

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

        .hero-card-glow {
            background: linear-gradient(145deg, rgba(230, 57, 70, 0.1), rgba(244, 162, 97, 0.05));
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: 20px;
            padding: 32px 28px;
            width: 100%;
            max-width: 400px;
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 40px rgba(230, 57, 70, 0.08);
        }

        .hero-card-glow .sport-icons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 20px;
        }
        .hero-card-glow .sport-icons i {
            font-size: 32px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .hero-card-glow .sport-icons i:hover {
            color: var(--primary-light);
            transform: scale(1.15);
        }
        .hero-card-glow .sport-label {
            text-align: center;
            font-size: 14px;
            color: var(--text-dim);
            letter-spacing: 2px;
        }
        .hero-card-glow .sport-label strong {
            color: var(--text-light);
            font-weight: 600;
        }

        /* ===== Section ===== */
        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
        }

        .section-padding {
            padding: 72px 0;
        }

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

        .bg-card-dark {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .bg-card-dark:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== Sport Categories ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .sport-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 28px 24px;
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .sport-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .sport-card:hover::before {
            opacity: 1;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .sport-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(230, 57, 70, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--primary-light);
        }
        .sport-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .sport-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .sport-card .badge {
            display: inline-block;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        /* ===== Featured Events ===== */
        .event-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .event-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
        }
        .event-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(230, 57, 70, 0.15);
            transform: translateX(4px);
        }

        .event-item .event-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(244, 162, 97, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .event-item .event-info {
            flex: 1;
        }
        .event-item .event-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .event-item .event-info .meta {
            font-size: 13px;
            color: var(--text-dim);
        }
        .event-item .event-odds {
            text-align: right;
            flex-shrink: 0;
        }
        .event-item .event-odds .odd {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-light);
        }
        .event-item .event-odds .label {
            font-size: 11px;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* ===== League Table ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .league-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            padding: 18px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .league-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .league-card .flag {
            font-size: 32px;
            margin-bottom: 8px;
        }
        .league-card .name {
            font-size: 15px;
            font-weight: 600;
        }
        .league-card .count {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(244, 162, 97, 0.05));
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: 20px;
            padding: 56px 48px;
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .cta-block h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--text-muted);
        }

        .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 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-color);
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--text-light);
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            color: var(--text-dim);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1525;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
        .site-footer .footer-brand .logo-text {
            font-size: 18px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-dim);
            max-width: 480px;
            margin-bottom: 24px;
        }

        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }

        .footer-divider {
            height: 1px;
            background: var(--border-color);
            margin-bottom: 20px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-sports .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-sports .hero-sub {
                margin: 0 auto 28px;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-right {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                width: 100%;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-menu-overlay.active,
            .mobile-menu-panel.open {
                display: block;
            }
            .mobile-menu-panel.open {
                display: flex;
                flex-direction: column;
            }

            .hero-sports {
                padding: 48px 0 40px;
            }
            .hero-sports h1 {
                font-size: 28px;
            }
            .hero-sports .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat-item .num {
                font-size: 22px;
            }

            .section-title {
                font-size: 26px;
            }
            .section-padding {
                padding: 48px 0;
            }

            .sport-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-list {
                grid-template-columns: 1fr;
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .cta-block {
                padding: 36px 20px;
            }
            .cta-block h2 {
                font-size: 24px;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-links {
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .hero-stats {
                grid-template-columns: 1fr;
                max-width: 240px;
                margin: 0 auto;
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .event-item {
                flex-wrap: wrap;
            }
            .nav-links a {
                font-size: 14px;
                padding: 10px 14px;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(230, 57, 70, 0.3);
            color: #fff;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-dim);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

/* roulang page: article */
:root {
            --primary: #7c3aed;
            --primary-dark: #5b21b6;
            --primary-light: #a78bfa;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222244;
            --bg-side: #12121f;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-color: #2d2d4a;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
            --shadow-hover: 0 12px 48px rgba(124,58,237,0.18);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧竖向导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--bg-side);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: 28px 0 20px;
            overflow-y: auto;
            transition: var(--transition);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 24px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(124,58,237,0.3);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, #fff, #c4b5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 16px 12px;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-dim);
            transition: var(--transition);
        }

        .nav-links a:hover {
            background: rgba(124,58,237,0.10);
            color: var(--text-main);
        }

        .nav-links a:hover i {
            color: var(--primary-light);
        }

        .nav-links a.active {
            background: rgba(124,58,237,0.15);
            color: #fff;
        }

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

        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--primary-light);
            border-radius: 0 4px 4px 0;
        }

        .nav-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: 240px;
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

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

        /* ===== 文章详情 ===== */
        .article-header {
            margin-bottom: 32px;
        }

        .article-category {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(124,58,237,0.15);
            color: var(--primary-light);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, #c4b5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--text-dim);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .article-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }

        .article-image {
            margin-bottom: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .article-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: #e2e8f0;
        }

        .article-body p {
            margin-bottom: 20px;
        }

        .article-body h2, .article-body h3, .article-body h4 {
            color: #fff;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
        }

        .article-body h2 { font-size: 24px; }
        .article-body h3 { font-size: 20px; }
        .article-body h4 { font-size: 18px; }

        .article-body ul, .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
        }

        .article-body a:hover {
            color: #fff;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(124,58,237,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #cbd5e1;
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
        }

        .article-body code {
            background: rgba(255,255,255,0.06);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--primary-light);
        }

        .article-body pre {
            background: rgba(0,0,0,0.3);
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .article-divider {
            height: 1px;
            background: var(--border-color);
            margin: 40px 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }

        .article-tags .tag {
            padding: 6px 16px;
            background: rgba(124,58,237,0.08);
            border: 1px solid rgba(124,58,237,0.2);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-tags .tag:hover {
            background: rgba(124,58,237,0.15);
            color: #fff;
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .article-nav a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }

        .article-nav a:hover {
            background: rgba(124,58,237,0.10);
            border-color: var(--primary);
            color: #fff;
        }

        .not-found {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found .big-icon {
            font-size: 72px;
            color: var(--text-dim);
            margin-bottom: 24px;
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        .not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 4px 20px rgba(124,58,237,0.25);
        }

        .not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(124,58,237,0.35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-side);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .container {
            text-align: center;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }

        .footer-brand .logo-text {
            font-size: 18px;
        }

        .footer-desc {
            color: var(--text-dim);
            font-size: 14px;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 24px;
            margin-bottom: 24px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            padding: 4px 0;
            position: relative;
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--primary-light);
            transition: var(--transition);
            border-radius: 2px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links a:hover::after {
            width: 100%;
        }

        .footer-divider {
            height: 1px;
            background: var(--border-color);
            margin-bottom: 20px;
        }

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

        .copyright {
            color: var(--text-dim);
            font-size: 13px;
        }

        .footer-socials {
            display: flex;
            gap: 16px;
        }

        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: rgba(124,58,237,0.15);
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-3px);
        }

        /* ===== 移动端 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }

        .mobile-toggle:hover {
            background: var(--bg-card-hover);
        }

        .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);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-title {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
            }

            .side-nav.open {
                transform: translateX(0);
            }

            .mobile-toggle {
                display: flex;
            }

            .overlay.show {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .main-content {
                padding: 24px 0 40px;
            }

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

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body {
                font-size: 15px;
            }

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

            .footer-links {
                gap: 6px 16px;
            }

            .footer-socials {
                justify-content: center;
            }

            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .article-title {
                font-size: 20px;
            }

            .article-header {
                margin-bottom: 24px;
            }

            .article-category {
                font-size: 12px;
                padding: 3px 12px;
            }

            .article-meta {
                font-size: 12px;
                gap: 8px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-body {
                font-size: 14px;
            }

            .article-body h2 { font-size: 20px; }
            .article-body h3 { font-size: 18px; }
            .article-body h4 { font-size: 16px; }

            .article-nav {
                flex-direction: column;
            }

            .article-nav a {
                width: 100%;
                justify-content: center;
            }

            .not-found {
                padding: 48px 16px;
            }

            .not-found .big-icon {
                font-size: 48px;
            }

            .not-found h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-dark: #0f0b1a;
            --bg-card: #1a1430;
            --bg-card-hover: #231d3d;
            --bg-section: #130e22;
            --text-white: #f1f0f7;
            --text-muted: #9b94b5;
            --text-dim: #6b6590;
            --border-color: #2d2648;
            --border-light: #3d3560;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 20px 60px rgba(124, 58, 237, 0.25);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::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-dark);
            color: var(--text-white);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

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

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

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

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

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--bg-card);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 28px 0 20px;
            overflow-y: auto;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 24px 28px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }

        .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 12px;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a i {
            width: 22px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(124, 58, 237, 0.12);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(91, 33, 182, 0.15));
            border-left: 3px solid var(--primary);
            box-shadow: inset 0 0 20px rgba(124, 58, 237, 0.06);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary-light);
            box-shadow: 0 0 12px rgba(124, 58, 237, 0.5);
        }

        .nav-footer {
            padding: 20px 24px 0;
            border-top: 1px solid var(--border-color);
            margin-top: 16px;
            font-size: 12px;
            color: var(--text-dim);
            line-height: 1.6;
            text-align: center;
        }

        /* ===== 移动端菜单按钮 ===== */
        .menu-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-white);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .menu-toggle:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary);
        }

        .menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .menu-overlay.open {
            opacity: 1;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-height: 100vh;
            background: var(--bg-dark);
            position: relative;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Hero 区域 ===== */
        .hero-section {
            padding: 60px 0 50px;
            background: linear-gradient(180deg, rgba(124, 58, 237, 0.08) 0%, transparent 80%);
            border-bottom: 1px solid var(--border-color);
        }

        .hero-section .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.25);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
        }

        .hero-section h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 18px;
            max-width: 720px;
        }

        .hero-section p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 36px;
            padding-top: 36px;
            border-top: 1px solid var(--border-color);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-item .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero-stat-item .stat-number span {
            color: var(--primary-light);
        }

        .hero-stat-item .stat-label {
            font-size: 14px;
            color: var(--text-dim);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 64px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-block:last-of-type {
            border-bottom: none;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }

        .section-label i {
            font-size: 14px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

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

        .grid-cards-3 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .grid-cards-4 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(91, 33, 182, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 18px;
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        .card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(245, 158, 11, 0.12);
            padding: 2px 12px;
            border-radius: 20px;
            margin-top: 14px;
        }

        /* ===== 标签列表 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid rgba(124, 58, 237, 0.15);
            color: var(--text-muted);
            transition: var(--transition);
            cursor: default;
        }

        .tag:hover {
            background: rgba(124, 58, 237, 0.2);
            border-color: var(--primary);
            color: #fff;
        }

        .tag i {
            font-size: 12px;
            color: var(--primary-light);
        }

        .tag-accent {
            background: rgba(245, 158, 11, 0.1);
            border-color: rgba(245, 158, 11, 0.2);
            color: var(--accent);
        }

        .tag-accent i {
            color: var(--accent);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: transparent;
            color: var(--text-white);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(124, 58, 237, 0.4);
        }

        .btn-outline {
            border: 1px solid var(--border-light);
            color: var(--text-muted);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(124, 58, 237, 0.1);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #d97706);
            color: #1a1430;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.35);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-xs);
        }

        /* ===== 内容列表 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .content-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .content-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateX(4px);
        }

        .content-item .item-index {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(124, 58, 237, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-light);
        }

        .content-item .item-body {
            flex: 1;
        }

        .content-item .item-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .content-item .item-body p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        .content-item .item-meta {
            font-size: 12px;
            color: var(--text-dim);
            display: flex;
            gap: 16px;
            margin-top: 6px;
        }

        .content-item .item-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== 数据/统计区块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-dim);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }

        .faq-item .faq-q {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .faq-item .faq-q i {
            color: var(--primary-light);
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-item .faq-a {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            padding-left: 26px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(91, 33, 182, 0.06));
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 48px 40px;
            text-align: center;
        }

        .cta-block h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-block p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 分隔线 ===== */
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 36px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo-icon {
            width: 38px;
            height: 38px;
            font-size: 17px;
        }

        .site-footer .footer-brand .logo-text {
            font-size: 18px;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            margin-bottom: 24px;
        }

        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--text-dim);
            transition: var(--transition);
        }

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

        .footer-divider {
            height: 1px;
            background: var(--border-color);
            margin-bottom: 20px;
        }

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

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

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

        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(124, 58, 237, 0.08);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: rgba(124, 58, 237, 0.2);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-section h1 {
                font-size: 36px;
            }
            .section-title {
                font-size: 28px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .menu-toggle {
                display: flex;
            }
            .menu-overlay.open {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .container {
                padding: 0 20px;
            }
            .hero-section {
                padding: 40px 0 32px;
            }
            .hero-section h1 {
                font-size: 28px;
            }
            .hero-section p {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
                padding-top: 24px;
                margin-top: 24px;
            }
            .hero-stat-item .stat-number {
                font-size: 26px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .grid-cards,
            .grid-cards-3,
            .grid-cards-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 24px;
            }
            .content-item {
                flex-direction: column;
                gap: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-section h1 {
                font-size: 24px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .nav-links a {
                font-size: 14px;
                padding: 10px 14px;
            }
            .card {
                padding: 20px 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .tag {
                font-size: 12px;
                padding: 4px 12px;
            }
        }

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

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --accent: #e94560;
            --accent-light: #ff6b81;
            --accent-dark: #c0392b;
            --gold: #f5c518;
            --gold-light: #ffd700;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section-alt: #12121f;
            --text-primary: #f0f0f5;
            --text-secondary: #a0a0b8;
            --text-muted: #6c6c8a;
            --border-color: #2a2a4a;
            --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 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --nav-width: 240px;
        }

        /* ===== 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-primary);
            line-height: 1.6;
            display: flex;
            min-height: 100vh;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary-dark);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: 24px 0;
            overflow-y: auto;
            transition: var(--transition);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 20px 28px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: 1px;
        }

        .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 12px;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .nav-links a:hover {
            background: rgba(233, 69, 96, 0.08);
            color: var(--text-primary);
        }

        .nav-links a.active {
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.18), rgba(245, 197, 24, 0.10));
            color: var(--accent-light);
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }

        .nav-footer {
            padding: 20px 20px 0 20px;
            border-top: 1px solid var(--border-color);
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.8;
        }

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

        /* ===== Hero ===== */
        .hero-game {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-game::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-game::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-game h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f0f0f5 60%, var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-game p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .hero-tags .tag {
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(233, 69, 96, 0.12);
            border: 1px solid rgba(233, 69, 96, 0.20);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .hero-tags .tag:hover {
            background: rgba(233, 69, 96, 0.20);
            color: var(--text-primary);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 60px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-header h2 .highlight {
            color: var(--accent-light);
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            border-radius: 4px;
            margin: 12px auto 0;
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }

        .card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(233, 69, 96, 0.20);
        }

        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(233, 69, 96, 0.12);
            color: var(--accent-light);
        }

        .card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .card .card-badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(245, 197, 24, 0.15);
            color: var(--gold);
            margin-top: 12px;
        }

        .card .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-light);
        }

        .card .card-footer-link i {
            font-size: 12px;
            transition: var(--transition);
        }

        .card .card-footer-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 游戏分类标签 ===== */
        .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }

        .game-tags .gtag {
            padding: 8px 22px;
            border-radius: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }

        .game-tags .gtag:hover,
        .game-tags .gtag.active {
            background: rgba(233, 69, 96, 0.15);
            border-color: var(--accent);
            color: var(--accent-light);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(245, 197, 24, 0.20);
        }

        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-light), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== 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-color);
            border-radius: var(--radius-sm);
            padding: 0;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item summary {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent-light);
        }

        .faq-item summary:hover {
            background: rgba(233, 69, 96, 0.04);
        }

        .faq-item .faq-answer {
            padding: 0 24px 18px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(233, 69, 96, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-block p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            background: transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(233, 69, 96, 0.30);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.40);
            color: #fff;
        }

        .btn-secondary {
            background: rgba(233, 69, 96, 0.10);
            color: var(--accent-light);
            border: 1px solid rgba(233, 69, 96, 0.20);
        }

        .btn-secondary:hover {
            background: rgba(233, 69, 96, 0.18);
            color: var(--accent-light);
        }

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ===== 排行榜 / 列表 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(233, 69, 96, 0.15);
        }

        .rank-num {
            width: 32px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
            text-align: center;
        }

        .rank-num.top {
            color: var(--gold);
        }

        .rank-info {
            flex: 1;
        }

        .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
        }

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

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 30px;
            margin-top: auto;
        }

        .site-footer .container {
            text-align: center;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }

        .footer-brand .logo-text {
            font-size: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .footer-divider {
            height: 1px;
            background: var(--border-color);
            margin: 0 auto 20px;
            max-width: 600px;
        }

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

        .footer-socials {
            display: flex;
            gap: 14px;
        }

        .footer-socials a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 15px;
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: rgba(233, 69, 96, 0.15);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        /* ===== 移动端菜单切换 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-card-hover);
        }

        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.60);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-game h1 {
                font-size: 32px;
            }
        }

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

            .side-nav {
                transform: translateX(-100%);
            }

            .side-nav.open {
                transform: translateX(0);
            }

            .overlay.show {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }

            .hero-game {
                padding: 40px 0 36px;
            }

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

            .hero-game p {
                font-size: 15px;
            }

            .grid-3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .grid-2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-card .stat-number {
                font-size: 28px;
            }

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

            .section {
                padding: 40px 0;
            }

            .cta-block {
                padding: 32px 20px;
            }

            .cta-block h2 {
                font-size: 22px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .game-tags .gtag {
                padding: 6px 16px;
                font-size: 13px;
            }

            .footer-links {
                gap: 14px;
            }

            .footer-links a {
                font-size: 13px;
            }

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

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

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

            .grid-4 {
                grid-template-columns: 1fr;
            }

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

            .stat-card {
                padding: 20px 12px;
            }

            .stat-card .stat-number {
                font-size: 24px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .card {
                padding: 18px;
            }

            .cta-block {
                padding: 24px 16px;
            }

            .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* ===== 辅助类 ===== */
        .text-accent {
            color: var(--accent-light);
        }
        .text-gold {
            color: var(--gold);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .mb-8 {
            margin-bottom: 32px;
        }
        .mt-8 {
            margin-top: 32px;
        }
        .text-center {
            text-align: center;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }