/* roulang page: index */
/* ===== Design Tokens ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d63851;
            --gold: #ffd700;
            --bg: #f4f5f7;
            --bg-card: #ffffff;
            --bg-dark: #0f0c29;
            --text: #2d3436;
            --text-light: #636e72;
            --text-white: #f8f9fa;
            --border: #e0e0e0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --nav-width: 240px;
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, 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);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            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; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary); font-weight: 700; }
        h1 { font-size: 2.6rem; }
        h2 { font-size: 2rem; margin-bottom: 1.2rem; }
        h3 { font-size: 1.35rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }

        /* ===== Left Sidebar Navigation ===== */
        .site-wrapper {
            display: flex;
            width: 100%;
            min-height: 100vh;
        }
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: var(--text-white);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 2rem 1.2rem;
            box-shadow: 2px 0 20px rgba(0,0,0,0.15);
            transition: transform var(--transition);
        }
        .site-nav .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 2.5rem;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .site-nav .logo i { color: var(--gold); font-size: 1.8rem; }
        .site-nav .logo span { background: linear-gradient(135deg, #fff, var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-links { flex: 1; display: flex; flex-direction: column; gap: 0.4rem; }
        .nav-links a {
            color: rgba(255,255,255,0.75);
            padding: 0.8rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-links a i { width: 1.2rem; text-align: center; font-size: 1.1rem; }
        .nav-links a:hover, .nav-links a.active {
            background: rgba(255,255,255,0.12);
            color: #fff;
            transform: translateX(4px);
        }
        .nav-links a.active { border-left: 4px solid var(--gold); background: rgba(255,215,0,0.1); }
        .nav-footer { margin-top: auto; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; color: rgba(255,255,255,0.4); text-align: center; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 0.5rem; }

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

        /* ===== Mobile Top Bar ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--primary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.2rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .mobile-topbar .logo { font-size: 1.3rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 0.4rem; }
        .mobile-topbar .logo i { color: var(--gold); }
        .mobile-topbar .logo span { background: linear-gradient(135deg, #fff, var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .mobile-topbar .hamburger { background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 0.2rem 0.4rem; }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-light) 50%, var(--primary) 100%);
            color: #fff;
            padding: 5rem 0 4rem;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(233,69,96,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 1; }
        .hero h1 { font-size: 2.8rem; color: #fff; margin-bottom: 1rem; line-height: 1.2; }
        .hero h1 span { color: var(--gold); }
        .hero p { font-size: 1.15rem; color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 2rem; line-height: 1.8; }
        .hero .btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }
        .btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.9rem 2rem; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: all var(--transition); }
        .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(233,69,96,0.35); }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(233,69,96,0.4); color: #fff; }
        .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
        .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); color: #fff; }
        .btn-gold { background: var(--gold); color: var(--primary); box-shadow: 0 6px 20px rgba(255,215,0,0.3); }
        .btn-gold:hover { background: #e6c200; transform: translateY(-2px); color: var(--primary); }

        /* ===== Sections ===== */
        .section { padding: 4.5rem 0; }
        .section-alt { background: var(--bg-card); }
        .section-dark { background: var(--primary); color: #fff; }
        .section-dark h2, .section-dark h3 { color: #fff; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent); margin: 0.8rem auto 0; border-radius: 4px; }
        .section-title p { color: var(--text-light); max-width: 600px; margin: 0.6rem auto 0; font-size: 1.05rem; }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
        .card-img { width: 100%; height: 200px; object-fit: cover; background: #e8e8e8; }
        .card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
        .card-body h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
        .card-body p { color: var(--text-light); font-size: 0.95rem; flex: 1; margin-bottom: 1rem; }
        .card-body .meta { font-size: 0.85rem; color: var(--text-light); display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.8rem; }
        .card-body .meta i { color: var(--accent); }
        .card-body .tag { display: inline-block; padding: 0.2rem 0.8rem; background: rgba(233,69,96,0.12); color: var(--accent); border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
        .card-body .btn-sm { align-self: flex-start; margin-top: 0.5rem; padding: 0.5rem 1.2rem; border-radius: 50px; background: var(--primary); color: #fff; font-size: 0.85rem; font-weight: 600; border: none; cursor: pointer; transition: all var(--transition); }
        .card-body .btn-sm:hover { background: var(--accent); transform: translateY(-2px); }

        /* ===== Grid ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }

        /* ===== Stats ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
        .stat-item { padding: 2rem 1rem; background: rgba(255,255,255,0.08); border-radius: var(--radius); backdrop-filter: blur(4px); }
        .stat-item .num { font-size: 2.4rem; font-weight: 800; color: var(--gold); }
        .stat-item .label { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-top: 0.4rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid var(--border); padding: 1.2rem 0; }
        .faq-item:last-child { border-bottom: none; }
        .faq-q { font-weight: 700; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--primary); }
        .faq-q i { transition: transform var(--transition); color: var(--accent); }
        .faq-q.open i { transform: rotate(180deg); }
        .faq-a { padding-top: 0.8rem; color: var(--text-light); line-height: 1.8; display: none; }
        .faq-a.show { display: block; }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius);
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
        }
        .cta-box h2 { color: #fff; margin-bottom: 0.8rem; }
        .cta-box p { color: rgba(255,255,255,0.8); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
        .footer-grid h4 { color: #fff; font-size: 1.1rem; margin-bottom: 1rem; }
        .footer-grid p { font-size: 0.9rem; line-height: 1.7; }
        .footer-grid ul li { margin-bottom: 0.4rem; }
        .footer-grid ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition); }
        .footer-grid ul li a:hover { color: var(--gold); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; margin-top: 2rem; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }

        /* ===== Article Page ===== */
        .article-header { background: var(--primary); color: #fff; padding: 3rem 0; }
        .article-header h1 { color: #fff; font-size: 2rem; max-width: 800px; }
        .article-header .meta { color: rgba(255,255,255,0.7); display: flex; gap: 1.5rem; margin-top: 1rem; flex-wrap: wrap; }
        .article-header .meta i { margin-right: 0.3rem; }
        .article-body { padding: 2.5rem 0; }
        .article-body .content { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.9; color: var(--text); }
        .article-body .content p { margin-bottom: 1.2rem; }

        /* ===== Category Page ===== */
        .category-hero { background: linear-gradient(135deg, var(--primary-light), var(--primary)); color: #fff; padding: 3.5rem 0; }
        .category-hero h1 { color: #fff; font-size: 2.2rem; }
        .category-hero p { color: rgba(255,255,255,0.8); max-width: 600px; margin-top: 0.6rem; }
        .category-list { padding: 3rem 0; }

        /* ===== Empty State ===== */
        .empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-light); }
        .empty-state i { font-size: 3rem; color: var(--border); margin-bottom: 1rem; display: block; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-nav { transform: translateX(-100%); }
            .site-nav.open { transform: translateX(0); }
            .mobile-topbar { display: flex; }
            .main-content { margin-left: 0; padding-top: 60px; }
            .hero h1 { font-size: 2.2rem; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .hero { padding: 3rem 0 2.5rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 1rem; }
            .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; gap: 1rem; }
            .grid-2 { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
            .section { padding: 3rem 0; }
            h2 { font-size: 1.6rem; }
            .cta-box { padding: 2.5rem 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-header h1 { font-size: 1.5rem; }
            .category-hero h1 { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .hero h1 { font-size: 1.5rem; }
            .hero .btn-group { flex-direction: column; }
            .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
            .stat-item .num { font-size: 1.8rem; }
            .container { padding: 0 1rem; }
        }
        @media (max-width: 1024px) {
            .site-nav { position: fixed; top: 0; left: 0; width: 280px; height: 100vh; z-index: 1100; transform: translateX(-100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1); }
            .site-nav.open { transform: translateX(0); }
            .nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1050; }
            .nav-overlay.show { display: block; }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #7c3aed;
            --color-primary-dark: #5b21b6;
            --color-primary-light: #a78bfa;
            --color-primary-bg: #f5f3ff;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #fafafa;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1e1b2e;
            --color-bg-footer: #0f0d1a;
            --color-text: #1f1b2e;
            --color-text-light: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-error: #ef4444;
            --color-tag-bg: #ede9fe;
            --color-tag-text: #6d28d9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1280px;
            --nav-width: 240px;
            --header-height: 70px;
            --gap-section: 5rem;
            --gap-card: 2rem;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--color-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }
        p {
            margin-bottom: 1rem;
            color: var(--color-text-light);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 布局：左侧竖向导航 + 右侧内容 ===== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* ===== 左侧导航 ===== */
        .site-nav {
            width: var(--nav-width);
            background: var(--color-bg-dark);
            color: #fff;
            display: flex;
            flex-direction: column;
            padding: 2rem 1.5rem;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            overflow-y: auto;
            transition: var(--transition);
            border-right: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-nav .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            padding-bottom: 2rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-nav .logo i {
            color: var(--color-accent);
            font-size: 1.6rem;
        }
        .site-nav .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            flex: 1;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-links a i {
            width: 1.4rem;
            text-align: center;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-links a:hover i {
            color: var(--color-accent);
        }
        .nav-links a.active {
            background: rgba(124, 58, 237, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-links a.active i {
            color: var(--color-primary-light);
        }
        .nav-footer {
            margin-top: auto;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

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

        /* ===== 文章页 Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2d1b69 100%);
            padding: 3rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 1.5rem;
        }
        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }
        .article-hero .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .article-hero .breadcrumb span {
            color: rgba(255, 255, 255, 0.8);
        }
        .article-hero h1 {
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 1rem;
            max-width: 900px;
            line-height: 1.25;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem 2rem;
            align-items: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-top: 1.25rem;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .article-meta .meta-item i {
            color: var(--color-accent);
            opacity: 0.7;
        }
        .article-meta .category-tag {
            background: rgba(124, 58, 237, 0.3);
            color: var(--color-primary-light);
            padding: 0.2rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        /* ===== 文章正文区 ===== */
        .article-body-section {
            padding: 3.5rem 0 4rem;
            background: #fff;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content h2 {
            font-size: 1.6rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-primary-bg);
        }
        .article-content h3 {
            font-size: 1.25rem;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        .article-content p {
            margin-bottom: 1.25rem;
            color: #374151;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
            color: #374151;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 0.4rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-bg);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #4b5563;
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--color-primary-dark);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-primary-light);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-text);
        }
        .sidebar-card h4 i {
            color: var(--color-primary);
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--color-text-light);
            font-size: 0.9rem;
            display: block;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border: none;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            text-align: center;
        }
        .sidebar-cta h4 {
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .sidebar-cta .button {
            background: #fff;
            color: var(--color-primary-dark);
            border-radius: 999px;
            padding: 0.6rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .sidebar-cta .button:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 4rem 2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--color-text-muted);
            margin-bottom: 1rem;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            margin-bottom: 0.75rem;
        }
        .not-found-box p {
            color: var(--color-text-light);
            margin-bottom: 1.5rem;
        }
        .not-found-box .button {
            background: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            padding: 0.7rem 2rem;
            font-weight: 600;
        }
        .not-found-box .button:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-footer);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 2rem;
            margin-top: auto;
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-grid p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.5rem;
        }
        .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-grid ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-grid ul li i {
            color: var(--color-accent);
            opacity: 0.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式：平板 ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        /* ===== 响应式：移动端 ===== */
        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
                --gap-section: 3rem;
            }
            .site-nav {
                transform: translateX(-100%);
                width: 260px;
                box-shadow: none;
            }
            .site-nav.open {
                transform: translateX(0);
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
            }
            .main-content {
                margin-left: 0;
            }
            /* 移动端菜单按钮 */
            .mobile-menu-toggle {
                display: flex !important;
                position: fixed;
                top: 1rem;
                left: 1rem;
                z-index: 200;
                background: var(--color-bg-dark);
                color: #fff;
                border: none;
                width: 44px;
                height: 44px;
                border-radius: var(--radius-sm);
                align-items: center;
                justify-content: center;
                font-size: 1.3rem;
                cursor: pointer;
                box-shadow: var(--shadow-md);
                transition: var(--transition);
            }
            .mobile-menu-toggle:hover {
                background: var(--color-primary-dark);
            }
            .article-hero {
                padding: 2.5rem 1rem 2.5rem;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 0.75rem 1.25rem;
                font-size: 0.8rem;
            }
            .article-body-section {
                padding: 2rem 0 2.5rem;
            }
            .article-content {
                font-size: 0.98rem;
                line-height: 1.8;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }
            .footer-grid ul li a:hover {
                padding-left: 0;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            .article-content {
                font-size: 0.92rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
            .sidebar-cta {
                padding: 1.2rem;
            }
            .footer-grid h4 {
                font-size: 0.95rem;
            }
        }

        /* ===== 移动端菜单按钮默认隐藏 ===== */
        .mobile-menu-toggle {
            display: none;
        }

        /* ===== 辅助类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }

        /* Foundation 覆写：按钮、卡片等 */
        .button {
            transition: var(--transition);
            font-weight: 600;
        }
        .button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }

        /* 文章内容图片自适应 */
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }

        /* 标签基础样式 */
        .tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            padding: 0.2rem 0.85rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 骨架屏过渡 */
        .fade-in {
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category1 */
/* ============================
                   :root 设计变量
                ============================ */
        :root {
            --clr-primary: #6c5ce7;
            --clr-primary-dark: #5a4bd6;
            --clr-primary-light: #a29bfe;
            --clr-secondary: #fd79a8;
            --clr-accent: #00cec9;
            --clr-dark: #1a1a2e;
            --clr-dark-card: #16213e;
            --clr-body-bg: #f8f9fc;
            --clr-surface: #ffffff;
            --clr-text: #2d3436;
            --clr-text-light: #636e72;
            --clr-text-muted: #b2bec3;
            --clr-border: #e8e8ee;
            --clr-border-light: #f0f0f5;
            --clr-success: #00b894;
            --clr-warning: #fdcb6e;
            --clr-tag-bg: #f0edff;
            --clr-tag-text: #6c5ce7;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(108, 92, 231, 0.06);
            --shadow-md: 0 8px 30px rgba(108, 92, 231, 0.08);
            --shadow-lg: 0 20px 60px rgba(108, 92, 231, 0.12);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.18);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --nav-width: 240px;
            --header-height: 64px;
            --max-width: 1200px;
            --gap-sm: 0.75rem;
            --gap-md: 1.5rem;
            --gap-lg: 3rem;
            --gap-xl: 5rem;
        }

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

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

        body {
            font-family: var(--font-family);
            background: var(--clr-body-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 16px;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--clr-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--clr-primary-light);
            outline-offset: 2px;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ============================
                   Container 系统
                ============================ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ============================
                   布局：左侧导航 + 右侧内容
                ============================ */
        .layout-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* 左侧导航 - 桌面端 */
        .site-nav {
            width: var(--nav-width);
            background: var(--clr-dark);
            color: #ffffff;
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1000;
            padding: 1.5rem 1rem;
            transition: transform var(--transition);
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.04);
        }

        .site-nav .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 1.5rem;
            flex-shrink: 0;
        }
        .site-nav .logo i {
            font-size: 1.4rem;
            color: var(--clr-primary-light);
        }
        .site-nav .logo span {
            background: linear-gradient(135deg, #fff 40%, var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-nav .nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            flex: 1;
        }
        .site-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .site-nav .nav-links a i {
            width: 1.2rem;
            text-align: center;
            font-size: 1rem;
        }
        .site-nav .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .site-nav .nav-links a.active {
            color: #ffffff;
            background: var(--clr-primary);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
        }
        .site-nav .nav-links a.active i {
            color: #ffffff;
        }

        .site-nav .nav-footer {
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
            flex-shrink: 0;
        }

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

        .main-content .content-inner {
            flex: 1;
            padding: 2.5rem 0 0 0;
        }

        /* ============================
                   移动端导航覆盖
                ============================ */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 0.75rem;
            left: 0.75rem;
            z-index: 1100;
            background: var(--clr-dark);
            color: #ffffff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }
        .mobile-nav-toggle:hover {
            background: var(--clr-primary-dark);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        @media (max-width: 1023px) {
            .site-nav {
                transform: translateX(-100%);
                width: 260px;
                border-right: none;
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.3);
            }
            .site-nav.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .nav-overlay.open {
                display: block;
            }
            .main-content .content-inner {
                padding-top: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .site-nav {
                width: 100%;
                max-width: 280px;
            }
            .site-nav .logo {
                font-size: 1rem;
            }
            .site-nav .nav-links a {
                font-size: 0.9rem;
                padding: 0.6rem 0.8rem;
            }
            .mobile-nav-toggle {
                top: 0.5rem;
                left: 0.5rem;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* ============================
                   板块通用间距
                ============================ */
        .section {
            padding: var(--gap-lg) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--gap-lg);
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--clr-dark);
            margin-bottom: 0.6rem;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--clr-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .badge {
            display: inline-block;
            background: var(--clr-tag-bg);
            color: var(--clr-tag-text);
            padding: 0.25rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 0.75rem;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--gap-md) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ============================
                   板块1: 分类标题区 (Hero)
                ============================ */
        .category-hero {
            background: linear-gradient(135deg, var(--clr-dark) 0%, #2d1b69 100%);
            padding: 4rem 0 3.5rem;
            margin-bottom: 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 1.2rem;
            align-items: center;
        }
        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }
        .category-hero .breadcrumb a:hover {
            color: #ffffff;
        }
        .category-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        .category-hero .breadcrumb .current {
            color: var(--clr-primary-light);
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }
        .category-hero h1 i {
            color: var(--clr-primary-light);
            margin-right: 0.5rem;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            line-height: 1.7;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 1.8rem;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        .category-hero .hero-stats .stat i {
            color: var(--clr-primary-light);
            font-size: 1.1rem;
        }
        .category-hero .hero-stats .stat strong {
            color: #ffffff;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 2.5rem 0 2rem;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 1rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 0.4rem;
            }
        }

        /* ============================
                   板块2: 最新资讯 (文章卡片)
                ============================ */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .article-card {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--clr-border-light);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .article-card .card-img {
            width: 100%;
            height: 180px;
            background: linear-gradient(135deg, #dfe6e9, #b2bec3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: rgba(255, 255, 255, 0.6);
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(0, 0, 0, 0.3) 0%, transparent 50%);
        }
        .article-card .card-img .tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--clr-primary);
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            z-index: 1;
        }
        .article-card .card-img i {
            position: relative;
            z-index: 1;
        }
        .article-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-body .meta {
            display: flex;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            margin-bottom: 0.6rem;
            flex-wrap: wrap;
        }
        .article-card .card-body .meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .article-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--clr-dark);
            line-height: 1.4;
        }
        .article-card .card-body h3 a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        .article-card .card-body h3 a:hover {
            color: var(--clr-primary);
        }
        .article-card .card-body p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.8rem;
        }
        .article-card .card-body .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition);
            text-decoration: none;
        }
        .article-card .card-body .read-more:hover {
            gap: 0.6rem;
            color: var(--clr-primary-dark);
        }

        @media (max-width: 1023px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
            .article-card .card-img {
                height: 160px;
            }
        }

        /* ============================
                   板块3: 热门专题
                ============================ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .feature-card {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .feature-card .feature-img {
            height: 140px;
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
        }
        .feature-card .feature-img .feature-tag {
            position: absolute;
            bottom: 0.6rem;
            right: 0.8rem;
            background: rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 0.15rem 0.7rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
        }
        .feature-card .feature-body {
            padding: 1.2rem 1.2rem 1.4rem;
        }
        .feature-card .feature-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }
        .feature-card .feature-body h3 a {
            color: var(--clr-dark);
            text-decoration: none;
            transition: color var(--transition);
        }
        .feature-card .feature-body h3 a:hover {
            color: var(--clr-primary);
        }
        .feature-card .feature-body p {
            font-size: 0.85rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            margin-bottom: 0.6rem;
        }
        .feature-card .feature-body .feature-meta {
            font-size: 0.75rem;
            color: var(--clr-text-muted);
            display: flex;
            gap: 0.8rem;
        }

        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card .feature-img {
                height: 120px;
            }
        }

        /* ============================
                   板块4: 游戏评测 (带评分)
                ============================ */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .review-card {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .review-card .review-img {
            height: 160px;
            background: linear-gradient(135deg, #fd79a8, #e84393);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: rgba(255, 255, 255, 0.6);
            position: relative;
        }
        .review-card .review-img .score {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: var(--clr-dark);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
        }
        .review-card .review-body {
            padding: 1.2rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card .review-body .stars {
            color: #fdcb6e;
            font-size: 0.85rem;
            margin-bottom: 0.4rem;
            letter-spacing: 2px;
        }
        .review-card .review-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        .review-card .review-body h3 a {
            color: var(--clr-dark);
            text-decoration: none;
        }
        .review-card .review-body h3 a:hover {
            color: var(--clr-primary);
        }
        .review-card .review-body .genre {
            font-size: 0.75rem;
            color: var(--clr-primary);
            font-weight: 500;
            margin-bottom: 0.4rem;
        }
        .review-card .review-body p {
            font-size: 0.85rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            flex: 1;
        }

        @media (max-width: 1023px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============================
                   板块5: 标签云
                ============================ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .tag-cloud a {
            display: inline-block;
            background: var(--clr-tag-bg);
            color: var(--clr-tag-text);
            padding: 0.4rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
            border: 1px solid transparent;
        }
        .tag-cloud a:hover {
            background: var(--clr-primary);
            color: #ffffff;
            transform: scale(1.04);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.25);
        }
        .tag-cloud a .count {
            display: inline-block;
            background: rgba(108, 92, 231, 0.12);
            padding: 0 0.4rem;
            border-radius: 8px;
            font-size: 0.7rem;
            margin-left: 0.3rem;
            color: inherit;
        }
        .tag-cloud a:hover .count {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ============================
                   板块6: 玩家热评
                ============================ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .testimonial-card {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.5rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--clr-primary-light);
            opacity: 0.3;
            margin-bottom: 0.5rem;
        }
        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--clr-text);
            line-height: 1.7;
            font-style: normal;
            margin-bottom: 1rem;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .testimonial-card .author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #dfe6e9, #b2bec3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.6);
            flex-shrink: 0;
        }
        .testimonial-card .author .info strong {
            font-size: 0.85rem;
            font-weight: 600;
            display: block;
        }
        .testimonial-card .author .info span {
            font-size: 0.75rem;
            color: var(--clr-text-muted);
        }

        @media (max-width: 1023px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============================
                   板块7: CTA 订阅区
                ============================ */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-dark) 0%, #2d1b69 100%);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(162, 155, 254, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #ffffff;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 540px;
            margin: 0 auto 1.8rem;
        }
        .cta-section .cta-form {
            display: flex;
            gap: 0.6rem;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-section .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.2rem;
            border-radius: 30px;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 0.95rem;
            backdrop-filter: blur(4px);
            transition: background var(--transition);
        }
        .cta-section .cta-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-section .cta-form input[type="email"]:focus {
            background: rgba(255, 255, 255, 0.18);
            outline: none;
            box-shadow: 0 0 0 3px rgba(162, 155, 254, 0.3);
        }
        .cta-section .cta-form button {
            padding: 0.75rem 2rem;
            border-radius: 30px;
            border: none;
            background: var(--clr-primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-section .cta-form button:hover {
            background: var(--clr-primary-dark);
            transform: scale(1.02);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.35);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 2.5rem 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-section .cta-form input[type="email"] {
                min-width: 160px;
                padding: 0.6rem 1rem;
            }
            .cta-section .cta-form button {
                padding: 0.6rem 1.5rem;
            }
        }

        /* ============================
                   页脚 (site-footer)
                ============================ */
        .site-footer {
            background: var(--clr-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 0;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem 1.5rem;
        }
        .site-footer h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .site-footer p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.45rem;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: #ffffff;
        }
        .site-footer .footer-bottom {
            margin-top: 2.5rem;
            padding: 1.2rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        @media (max-width: 1023px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .site-footer {
                padding: 2rem 0 0;
            }
        }

        /* ============================
                   额外组件：按钮、标签、徽章
                ============================ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.6rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--clr-primary);
            color: #ffffff;
        }
        .btn-primary:hover {
            background: var(--clr-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.3);
            color: #ffffff;
        }
        .btn-outline {
            background: transparent;
            color: var(--clr-primary);
            border: 2px solid var(--clr-primary);
        }
        .btn-outline:hover {
            background: var(--clr-primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-primary {
            background: var(--clr-tag-bg);
            color: var(--clr-tag-text);
        }
        .badge-hot {
            background: #ffeaa7;
            color: #2d3436;
        }
        .badge-new {
            background: #dfe6e9;
            color: #2d3436;
        }

        /* ============================
                   分页 / 加载更多
                ============================ */
        .pagination-wrap {
            text-align: center;
            margin-top: 2.5rem;
        }
        .pagination-wrap .btn {
            padding: 0.7rem 2.5rem;
        }

        /* ============================
                   图片颜色占位 (模拟图片)
                ============================ */
        .img-placeholder {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 2rem;
        }
        .img-placeholder-pink {
            background: linear-gradient(135deg, #fd79a8, #e84393);
        }
        .img-placeholder-teal {
            background: linear-gradient(135deg, #00cec9, #00b894);
        }
        .img-placeholder-orange {
            background: linear-gradient(135deg, #fdcb6e, #e17055);
        }
        .img-placeholder-blue {
            background: linear-gradient(135deg, #74b9ff, #0984e3);
        }
        .img-placeholder-dark {
            background: linear-gradient(135deg, #2d3436, #1a1a2e);
        }

        /* ============================
                   工具类
                ============================ */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mt-4 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .mb-4 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ============================
                   响应式 Foundation 覆盖
                ============================ */
        @media (max-width: 1023px) {
            .grid-x>.cell {
                padding-left: 0.5rem;
                padding-right: 0.5rem;
            }
        }

        /* ============================
                   移动端导航关闭按钮
                ============================ */
        @media (max-width: 1023px) {
            .site-nav .mobile-close {
                display: flex;
                align-items: center;
                justify-content: flex-end;
                margin-bottom: 0.5rem;
            }
            .site-nav .mobile-close button {
                background: none;
                border: none;
                color: rgba(255, 255, 255, 0.5);
                font-size: 1.3rem;
                cursor: pointer;
                padding: 0.2rem 0.4rem;
                transition: color var(--transition);
            }
            .site-nav .mobile-close button:hover {
                color: #ffffff;
            }
        }
        @media (min-width: 1024px) {
            .site-nav .mobile-close {
                display: none;
            }
        }

        /* ============================
                   平滑滚动 & 选中
                ============================ */
        ::selection {
            background: var(--clr-primary-light);
            color: #ffffff;
        }