/* roulang page: index */
:root {
            --primary: #0f0f23;
            --primary-light: #1a1a3e;
            --secondary: #2563eb;
            --secondary-light: #3b82f6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --bg-alt: #eef2f7;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --nav-width: 260px;
            --nav-collapsed: 0px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            display: flex;
            min-height: 100vh;
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; }

        /* 左侧导航 */
        .app-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            transition: transform var(--transition);
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0,0,0,0.3);
        }
        .app-nav .nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .app-nav .nav-brand .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .app-nav .nav-brand .logo-text i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .app-nav .nav-brand .logo-sub {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.5);
            margin-top: 4px;
            padding-left: 2px;
        }
        .app-nav .nav-links {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .app-nav .nav-links .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }
        .app-nav .nav-links .nav-item i {
            width: 22px;
            text-align: center;
            font-size: 1.1rem;
        }
        .app-nav .nav-links .nav-item:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .app-nav .nav-links .nav-item.active {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37,99,235,0.3);
        }
        .app-nav .nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.7rem;
            color: rgba(255,255,255,0.3);
        }

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

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--primary);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            color: #fff;
        }
        .mobile-topbar .logo-text-m {
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .logo-text-m i { color: var(--accent); }
        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px 8px;
            cursor: pointer;
        }

        /* 遮罩 */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1045;
        }
        .nav-overlay.show { display: block; }

        /* Hero */
        .hero {
            position: relative;
            padding: 120px 40px 100px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #0d1b3e 100%);
            color: #fff;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.15) 0%, transparent 70%);
            z-index: 1;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245,158,11,0.2);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(245,158,11,0.25);
        }
        .hero .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero .hero-title span { color: var(--accent); }
        .hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero .hero-actions .btn-hero {
            padding: 14px 36px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero .hero-actions .btn-hero-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(245,158,11,0.35);
        }
        .hero .hero-actions .btn-hero-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245,158,11,0.45);
        }
        .hero .hero-actions .btn-hero-secondary {
            background: rgba(255,255,255,0.10);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.20);
        }
        .hero .hero-actions .btn-hero-secondary:hover {
            background: rgba(255,255,255,0.18);
            transform: translateY(-2px);
        }

        /* 板块通用 */
        .section-block {
            padding: 80px 40px;
        }
        .section-block.bg-alt { background: var(--bg-alt); }
        .section-block .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: -0.3px;
        }
        .section-block .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 48px;
        }
        .section-block .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-block .section-header .section-title {
            margin-bottom: 12px;
        }
        .section-block .section-header .section-sub {
            margin: 0 auto;
        }

        /* 特色卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card .fc-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card .fc-icon.blue { background: var(--secondary); }
        .feature-card .fc-icon.amber { background: var(--accent); }
        .feature-card .fc-icon.purple { background: #7c3aed; }
        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* 分类卡片 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: flex-end;
            color: #fff;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .cat-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: var(--transition);
        }
        .category-card:hover .cat-bg { transform: scale(1.05); }
        .category-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.1) 100%);
        }
        .category-card .cat-body {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            width: 100%;
        }
        .category-card .cat-body h4 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card .cat-body p {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 16px;
        }
        .category-card .cat-body .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .category-card .cat-body .cat-link i { transition: var(--transition); }
        .category-card .cat-body .cat-link:hover i { transform: translateX(4px); }

        /* 资讯列表 */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .news-item .ni-tag {
            flex-shrink: 0;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.72rem;
            font-weight: 600;
            background: var(--secondary);
            color: #fff;
        }
        .news-item .ni-title {
            flex: 1;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-item .ni-title a {
            color: var(--text);
        }
        .news-item .ni-title a:hover { color: var(--secondary); }
        .news-item .ni-date {
            flex-shrink: 0;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* 数据统计 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 36px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 12px;
            opacity: 0.6;
        }

        /* 流程 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            position: relative;
        }
        .flow-step {
            text-align: center;
            padding: 36px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            position: relative;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .flow-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 20px;
        }
        .flow-step h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 0.88rem;
            color: var(--text-light);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            background: #fff;
        }
        .faq-item .faq-question:hover { background: var(--bg-alt); }
        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-light);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
            background: var(--bg-alt);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 18px 24px;
        }

        /* CTA */
        .cta-block {
            padding: 80px 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-block p {
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }
        .cta-block .btn-cta {
            padding: 16px 44px;
            border-radius: 60px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(245,158,11,0.3);
        }
        .cta-block .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245,158,11,0.45);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.6);
            padding: 48px 40px 32px;
        }
        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer p, .site-footer a {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            line-height: 1.8;
        }
        .site-footer a:hover { color: var(--accent); }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand i { color: var(--accent); }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
        }
        .site-footer .footer-links li { margin-bottom: 6px; }
        .site-footer .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-inner { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .app-nav { transform: translateX(-100%); }
            .app-nav.open { transform: translateX(0); }
            .main-wrapper { margin-left: 0; }
            .mobile-topbar { display: flex; }
            .hero { padding: 80px 24px 60px; min-height: auto; }
            .hero .hero-title { font-size: 2rem; }
            .hero .hero-desc { font-size: 1rem; }
            .section-block { padding: 48px 24px; }
            .feature-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .flow-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-inner { grid-template-columns: 1fr; }
            .news-item { flex-wrap: wrap; gap: 10px; }
            .news-item .ni-date { width: 100%; }
        }

        @media (max-width: 520px) {
            .hero { padding: 60px 16px 40px; }
            .hero .hero-title { font-size: 1.6rem; }
            .hero .hero-actions { flex-direction: column; }
            .hero .hero-actions .btn-hero { width: 100%; justify-content: center; }
            .section-block { padding: 36px 16px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 24px 12px; }
            .stat-card .stat-number { font-size: 2rem; }
            .site-footer { padding: 32px 16px 24px; }
        }

        /* 辅助 */
        .container-narrow { max-width: 1100px; margin: 0 auto; width: 100%; }
        .text-accent { color: var(--accent); }
        .gap-2 { gap: 8px; }
        .mt-1 { margin-top: 8px; }
        .mb-1 { margin-bottom: 8px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3fc5;
            --primary-dark: #4a2a8a;
            --primary-light: #8b5cf6;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --bg-dark: #0f0a1a;
            --bg-card: #1a122e;
            --bg-elevated: #221838;
            --bg-body: #0b0715;
            --text-main: #f1e9ff;
            --text-secondary: #b8a9d4;
            --text-muted: #7a6b94;
            --border-color: #2f2347;
            --border-light: #3f3157;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --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(0,0,0,0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --sidebar-width: 240px;
            --sidebar-collapsed: 70px;
            --header-height: 0px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            overflow-x: hidden;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; }
        ul { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-main); }
        ::selection { background: var(--primary); color: #fff; }
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 8px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

        /* ===== 左侧导航 (App Shell) ===== */
        .app-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            padding: 0;
            transition: var(--transition);
            overflow-y: auto;
        }
        .nav-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text i { color: var(--secondary); font-size: 1.4rem; }
        .logo-sub {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 4px;
            padding-left: 32px;
            letter-spacing: 0.3px;
        }
        .nav-links {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-item i { width: 20px; text-align: center; font-size: 1.1rem; }
        .nav-item:hover {
            background: var(--bg-elevated);
            color: var(--text-main);
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 63, 197, 0.4);
        }
        .nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.7rem;
            color: var(--text-muted);
            text-align: center;
            flex-shrink: 0;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg-body);
        }
        .main-content {
            flex: 1;
            padding: 40px 48px 60px;
        }

        /* ===== 页面头部 Banner ===== */
        .article-banner {
            position: relative;
            padding: 60px 0 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(108,63,197,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-banner .container { position: relative; z-index: 1; }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a { color: var(--text-muted); }
        .breadcrumb-custom a:hover { color: var(--secondary); }
        .breadcrumb-custom .sep { color: var(--border-light); }
        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .article-meta .badge-custom {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 5px; opacity: 0.7; }

        /* ===== 文章正文 ===== */
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 48px 52px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            color: #fff;
            margin-top: 36px;
            margin-bottom: 16px;
        }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.25rem; }
        .article-body p { margin-bottom: 20px; }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
        .article-body li { margin-bottom: 8px; }
        .article-body a { color: var(--secondary); text-decoration: underline; }
        .article-body a:hover { color: var(--secondary-light); }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-elevated);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body code {
            background: var(--bg-elevated);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--secondary);
        }
        .article-body pre {
            background: var(--bg-dark);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            border: 1px solid var(--border-color);
            margin: 24px 0;
        }
        .article-body pre code { background: none; padding: 0; color: var(--text-secondary); }

        /* ===== 文章底部 ===== */
        .article-footer-bar {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .article-share {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .article-share span { font-size: 0.85rem; color: var(--text-muted); }
        .article-share a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-elevated);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 56px;
        }
        .related-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section h3 i { color: var(--secondary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 20px 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-cat {
            font-size: 0.7rem;
            color: var(--secondary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
        .related-card h4 a { color: var(--text-main); }
        .related-card h4 a:hover { color: var(--secondary); }
        .related-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
        .related-card .card-time { font-size: 0.75rem; color: var(--text-muted); }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(108,63,197,0.4); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 52px 48px 24px;
            margin-left: var(--sidebar-width);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 36px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-inner .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-inner .footer-brand i { color: var(--secondary); }
        .footer-inner p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
        .footer-inner h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 移动端菜单按钮 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1060;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            font-size: 1.3rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .mobile-toggle:hover { background: var(--primary); color: #fff; }
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.6);
            z-index: 1045;
            backdrop-filter: blur(4px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-content { padding: 32px 28px 48px; }
            .article-body { padding: 36px 32px; }
            .site-footer { padding: 40px 28px 20px; }
        }

        @media (max-width: 768px) {
            :root { --sidebar-width: 0px; }
            .app-nav {
                transform: translateX(-100%);
                width: 260px;
                box-shadow: var(--shadow-lg);
            }
            .app-nav.open { transform: translateX(0); }
            .mobile-toggle { display: flex; }
            .nav-overlay.show { display: block; }
            .main-wrapper { margin-left: 0; }
            .site-footer { margin-left: 0; }
            .main-content { padding: 24px 20px 40px; padding-top: 70px; }
            .article-banner { padding: 40px 0 28px; }
            .article-banner h1 { font-size: 1.5rem; }
            .article-body { padding: 24px 18px; font-size: 0.95rem; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
            .site-footer { padding: 32px 20px 16px; }
        }

        @media (max-width: 520px) {
            .main-content { padding: 16px 14px 32px; padding-top: 66px; }
            .article-banner h1 { font-size: 1.2rem; }
            .article-body { padding: 18px 14px; font-size: 0.9rem; }
            .article-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .footer-inner { grid-template-columns: 1fr; gap: 20px; }
            .site-footer { padding: 24px 16px 12px; }
            .related-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category1 */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --accent: #f5a623;
            --accent-hover: #e09515;
            --accent-glow: rgba(245, 166, 35, 0.25);
            --surface: #ffffff;
            --surface-alt: #f8f7f4;
            --text: #1e1e2f;
            --text-light: #6b6b80;
            --text-white: #f0ede8;
            --border: #e8e6e0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.13);
            --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --nav-width: 240px;
            --nav-collapsed: 68px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--surface-alt);
            display: flex;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2.0rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1em;
            color: var(--text-light);
        }
        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧 App Shell 导航 ===== */
        .app-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--nav-width);
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            overflow-y: auto;
            transition: transform var(--transition), width var(--transition);
            border-right: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
        }
        .nav-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text i {
            color: var(--accent);
            font-size: 1.35rem;
        }
        .logo-sub {
            font-size: 0.74rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            padding-left: 32px;
            letter-spacing: 0.5px;
        }
        .nav-links {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            position: relative;
        }
        .nav-item i {
            width: 22px;
            text-align: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-item:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
            transform: translateX(4px);
        }
        .nav-item.active {
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 600;
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .nav-item.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
        }
        .nav-footer {
            padding: 16px 20px;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.3px;
        }

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

        /* ===== 移动端导航切换按钮 ===== */
        .nav-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1060;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1045;
            backdrop-filter: blur(4px);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .nav-overlay.show {
            opacity: 1;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--surface-alt), transparent);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            color: var(--text-white);
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .category-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .category-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .category-hero p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-search {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 60px;
            padding: 4px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 14px 22px;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
        }
        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .hero-search button {
            background: var(--accent);
            border: none;
            color: #1a1a2e;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 40px;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-search button:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-block.bg-white {
            background: var(--surface);
        }
        .section-block.bg-alt {
            background: var(--surface-alt);
        }
        .section-block.bg-dark {
            background: var(--primary);
            color: var(--text-white);
        }
        .section-block.bg-dark h2,
        .section-block.bg-dark h3,
        .section-block.bg-dark .text-light-custom {
            color: #fff;
        }
        .section-block.bg-dark p {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 560px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .title-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 40px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        /* ===== 分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .filter-tab {
            padding: 8px 22px;
            border-radius: 40px;
            border: 1.5px solid var(--border);
            background: transparent;
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-light);
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-tab:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-tab.active {
            background: var(--accent);
            border-color: var(--accent);
            color: #1a1a2e;
            font-weight: 600;
            box-shadow: 0 4px 16px var(--accent-glow);
        }

        /* ===== 游戏卡片 ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .game-card .card-img {
            height: 200px;
            background: #eae8e2;
            position: relative;
            overflow: hidden;
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.05);
        }
        .game-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #1a1a2e;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .game-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card .card-body .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .game-card .card-body .game-tags span {
            background: var(--surface-alt);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border);
        }
        .game-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            margin-top: auto;
        }
        .game-card .card-footer .rating {
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
        }
        .game-card .card-footer .rating i {
            margin-right: 4px;
        }
        .game-card .card-footer .download-btn {
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .game-card .card-footer .download-btn:hover {
            background: var(--accent);
            color: #1a1a2e;
            transform: scale(1.04);
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--surface);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .rank-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-hover);
        }
        .rank-item .rank-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-item .rank-num.top {
            color: #ff4d4d;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .rank-item .rank-info span {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .rank-item .rank-stats {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .rank-item .rank-stats i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== 最新资讯 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            display: flex;
            gap: 18px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            padding: 18px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-thumb {
            width: 130px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #eae8e2;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-body {
            flex: 1;
        }
        .news-card .news-body h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 0.84rem;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card .news-body .news-meta {
            font-size: 0.74rem;
            color: var(--text-light);
            display: flex;
            gap: 16px;
        }
        .news-card .news-body .news-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* ===== 特色区块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-item .feat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #1a1a2e;
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .feature-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.86rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-block h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }
        .cta-block .cta-btn {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 700;
            padding: 16px 48px;
            border-radius: 60px;
            font-size: 1.05rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 32px var(--accent-glow);
        }
        .cta-block .cta-btn:hover {
            background: var(--accent-hover);
            transform: scale(1.04);
            box-shadow: 0 12px 40px var(--accent-glow);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 24px 24px;
            flex-shrink: 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-inner .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-inner .footer-brand i {
            color: var(--accent);
        }
        .footer-inner p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-inner h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.86rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
            letter-spacing: 0.3px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */

        /* 平板 1024px */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        /* 小屏 768px */
        @media (max-width: 768px) {
            .app-nav {
                transform: translateX(-100%);
                width: var(--nav-width);
            }
            .app-nav.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-overlay.show {
                display: block;
            }

            .category-hero {
                padding: 60px 0 50px;
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 2.0rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .hero-search {
                flex-direction: column;
                background: transparent;
                border: none;
                gap: 10px;
                padding: 0;
            }
            .hero-search input {
                background: rgba(255, 255, 255, 0.12);
                border-radius: 40px;
                padding: 12px 20px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .hero-search button {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }

            .section-block {
                padding: 48px 0;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .rank-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 180px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-item {
                padding: 24px 16px;
            }
            .feature-item .feat-icon {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
            .footer-inner .footer-brand {
                justify-content: center;
            }

            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-block h2 {
                font-size: 1.6rem;
            }
            .cta-block .cta-btn {
                padding: 14px 36px;
                font-size: 0.95rem;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tab {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
        }

        /* 手机 520px */
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.88rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .game-card .card-img {
                height: 180px;
            }
            .game-card .card-body {
                padding: 16px 18px 18px;
            }
            .rank-item {
                padding: 12px 16px;
                gap: 12px;
            }
            .rank-item .rank-num {
                font-size: 1.2rem;
                width: 32px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .footer-inner {
                gap: 24px;
            }
        }

        /* ===== 滚动条美化 ===== */
        .app-nav::-webkit-scrollbar {
            width: 4px;
        }
        .app-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .app-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        /* ===== 辅助类 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .fw-800 {
            font-weight: 800 !important;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3fcb;
            --primary-dark: #522baa;
            --primary-light: #8b5cf6;
            --primary-gradient: linear-gradient(135deg, #6c3fcb 0%, #8b5cf6 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --bg-body: #f8f7fc;
            --bg-white: #ffffff;
            --bg-dark: #1e1b2e;
            --bg-card: #ffffff;
            --text-primary: #1e1b2e;
            --text-secondary: #4b4563;
            --text-muted: #8a849f;
            --text-light: #f1f0f7;
            --border-color: #e8e5f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(108, 63, 203, 0.08);
            --shadow-md: 0 8px 24px rgba(108, 63, 203, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 63, 203, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-width: 240px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 左侧导航 (App Shell) ===== */
        .app-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            transition: var(--transition);
            box-shadow: 2px 0 12px rgba(108, 63, 203, 0.06);
            overflow-y: auto;
        }
        .app-nav .nav-brand {
            padding: 24px 20px 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .app-nav .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.3px;
        }
        .app-nav .logo-text i {
            font-size: 1.4rem;
            color: var(--primary-light);
        }
        .app-nav .logo-sub {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 4px;
            padding-left: 32px;
            letter-spacing: 0.3px;
        }
        .app-nav .nav-links {
            flex: 1;
            padding: 16px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .app-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 20px;
            margin: 0 8px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .app-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .app-nav .nav-item:hover {
            background: rgba(108, 63, 203, 0.06);
            color: var(--primary);
        }
        .app-nav .nav-item:hover i {
            color: var(--primary-light);
        }
        .app-nav .nav-item.active {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 63, 203, 0.3);
        }
        .app-nav .nav-item.active i {
            color: #fff;
        }
        .app-nav .nav-item.active::after {
            content: '';
            position: absolute;
            right: -4px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--secondary);
            border-radius: 4px 0 0 4px;
        }
        .app-nav .nav-footer {
            padding: 16px 20px;
            font-size: 0.7rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

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

        /* ===== 移动端导航切换 ===== */
        .nav-toggle-btn {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1060;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle-btn:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(30, 27, 46, 0.6);
            backdrop-filter: blur(4px);
            z-index: 1045;
        }

        /* ===== 通用容器 ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 27, 46, 0.85) 0%, rgba(108, 63, 203, 0.7) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--text-light);
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
            color: #fff;
            margin-bottom: 20px;
        }
        .page-hero .hero-badge i {
            color: var(--secondary);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .page-hero .hero-stats .stat-item {
            text-align: center;
        }
        .page-hero .hero-stats .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary-light);
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title-wrap .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 63, 203, 0.08);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }
        .section-title-wrap .section-label i {
            font-size: 0.75rem;
        }
        .section-title-wrap h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title-wrap .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== 卡片基础 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .card-custom .card-img-top {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .card-custom .card-body {
            padding: 20px 22px 24px;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: rgba(108, 63, 203, 0.08);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .card-custom .card-meta i {
            margin-right: 4px;
        }

        /* ===== 指南分类卡片（特色） ===== */
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .guide-card .guide-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(108, 63, 203, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .guide-card:hover .guide-icon {
            background: var(--primary-gradient);
            color: #fff;
            transform: scale(1.05);
        }
        .guide-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .guide-card .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
        }
        .guide-card .guide-link i {
            transition: var(--transition);
        }
        .guide-card .guide-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 流程步骤 ===== */
        .step-flow {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            counter-reset: step;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            max-width: 220px;
            text-align: center;
            position: relative;
            counter-increment: step;
        }
        .step-item::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 28px;
            font-size: 1.8rem;
            color: var(--primary-light);
            font-weight: 300;
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 20px rgba(108, 63, 203, 0.25);
        }
        .step-item h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 27, 46, 0.88) 0%, rgba(108, 63, 203, 0.75) 100%);
            z-index: 1;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            color: var(--text-light);
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: #1e1b2e;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 40px;
            border-radius: 40px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
            cursor: pointer;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.5);
            background: var(--secondary-light);
        }

        /* ===== 按钮通用 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 40px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(108, 63, 203, 0.25);
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 63, 203, 0.35);
            color: #fff;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 40px;
            border: 2px solid var(--primary);
            transition: var(--transition);
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-custom {
            display: inline-block;
            background: rgba(108, 63, 203, 0.08);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .badge-custom.green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent);
        }
        .badge-custom.amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
        }

        /* ===== 文章列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-row {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            transition: var(--transition);
        }
        .article-row:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .article-row .art-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(108, 63, 203, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .article-row .art-info {
            flex: 1;
            min-width: 0;
        }
        .article-row .art-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.98rem;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-row .art-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-row .art-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
            margin-top: auto;
        }
        .site-footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 32px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand i {
            color: var(--primary-light);
        }
        .site-footer p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 24px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .step-flow {
                gap: 24px;
            }
            .step-item::after {
                display: none;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }
            .app-nav {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: none;
            }
            .app-nav.open {
                transform: translateX(0);
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.2);
            }
            .nav-toggle-btn {
                display: flex;
            }
            .nav-overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .page-hero {
                padding: 60px 0 48px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-desc {
                font-size: 1rem;
            }
            .page-hero .hero-stats {
                gap: 20px;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.4rem;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-title-wrap h2 {
                font-size: 1.6rem;
            }
            .section-title-wrap .section-sub {
                font-size: 0.95rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .guide-card {
                padding: 24px 16px 20px;
            }
            .step-item {
                min-width: 140px;
                max-width: 180px;
            }
            .article-row {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .article-row .art-meta {
                width: 100%;
                justify-content: flex-start;
                padding-left: 56px;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-cta {
                padding: 12px 32px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-desc {
                font-size: 0.92rem;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.2rem;
            }
            .section-title-wrap h2 {
                font-size: 1.3rem;
            }
            .card-custom .card-body {
                padding: 16px 16px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
            .step-item {
                min-width: 120px;
                max-width: 160px;
            }
            .step-num {
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
            .article-row .art-title {
                font-size: 0.9rem;
            }
            .article-row .art-desc {
                font-size: 0.78rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-alt {
            background: #f0edf8;
        }
        .gap-grid {
            gap: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }