/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-soft: #1e293b;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 10px 32px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { background: none; border: none; cursor: pointer; }
        ul, ol { list-style: none; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section { padding: 96px 0; }
        .section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
        .section-tag {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--accent-light); color: var(--accent-dark);
            font-size: 13px; font-weight: 600;
            padding: 6px 16px; border-radius: 100px;
            letter-spacing: 0.5px;
        }
        .section-head h2 {
            font-size: 36px; font-weight: 800; line-height: 1.3;
            color: var(--primary); margin-top: 16px;
            letter-spacing: -0.5px;
        }
        .section-head p { margin-top: 12px; color: var(--muted); font-size: 16px; }

        /* ===== 顶部浮动导航 ===== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 100;
            padding: 0 20px;
            pointer-events: none;
        }
        .site-header.scrolled .nav-dock {
            box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14);
            background: rgba(255, 255, 255, 0.92);
        }
        .nav-dock {
            pointer-events: auto;
            max-width: 1180px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 60px;
            padding: 10px 24px 10px 16px;
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
            transition: var(--transition);
        }
        .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-mark {
            width: 42px; height: 42px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #f59e0b, #b45309);
            color: #fff; font-weight: 800; font-size: 14px;
            border-radius: 14px;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
        }
        .logo-text { font-size: 18px; font-weight: 800; color: var(--primary); letter-spacing: 0.3px; }
        .main-nav { display: flex; align-items: center; gap: 6px; }
        .nav-link {
            padding: 8px 18px; border-radius: 40px;
            font-size: 14px; font-weight: 500; color: var(--muted);
        }
        .nav-link:hover { background: #f1f5f9; color: var(--primary); }
        .nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
        .nav-cta {
            padding: 10px 22px;
            background: var(--accent); color: #fff;
            border-radius: 40px; font-size: 14px; font-weight: 600;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }
        .nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4); }
        .menu-toggle { display: none; width: 42px; height: 42px; border-radius: 50%; background: #f8fafc; color: var(--primary); font-size: 18px; align-items: center; justify-content: center; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.62)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 120px 24px 80px;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 80px;
            background: linear-gradient(to bottom, transparent, var(--bg));
        }
        .hero-inner { max-width: 860px; margin: 0 auto; position: relative; z-index: 2; }
        .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);
            color: #fbbf24;
            font-size: 14px; font-weight: 500;
            padding: 8px 20px; border-radius: 60px;
            margin-bottom: 28px;
        }
        .hero h1 {
            font-size: 64px; font-weight: 900;
            color: #fff; line-height: 1.15;
            letter-spacing: -1px; margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .hero-sub {
            font-size: 20px; color: rgba(255, 255, 255, 0.85);
            max-width: 640px; margin: 0 auto 36px; line-height: 1.8;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-meta { margin-top: 48px; display: flex; gap: 28px; justify-content: center; color: rgba(255, 255, 255, 0.65); font-size: 13px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 30px; border-radius: 50px;
            font-size: 15px; font-weight: 600;
            transition: var(--transition);
            line-height: 1.4; border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35); }
        .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(217, 119, 6, 0.4); }
        .btn-ghost { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255, 255, 255, 0.3); backdrop-filter: blur(8px); }
        .btn-ghost:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }
        .btn-lg { padding: 16px 40px; font-size: 16px; }

        /* ===== 特点卡片 ===== */
        .feature-card {
            background: var(--card-bg);
            padding: 42px 32px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute; top: 0; left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .feature-card:hover::before { opacity: 1; }
        .feature-icon {
            width: 64px; height: 64px;
            display: flex; align-items: center; justify-content: center;
            background: var(--accent-light); color: var(--accent-dark);
            font-size: 24px; border-radius: 20px;
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { transform: scale(1.05) rotate(-3deg); }
        .feature-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
        .feature-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

        /* ===== 分类入口 ===== */
        .category-banner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: var(--primary);
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .category-img { position: relative; min-height: 320px; }
        .category-img img { width: 100%; height: 100%; object-fit: cover; }
        .category-img::after {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.4));
        }
        .category-content {
            padding: 60px 48px; color: #fff;
            display: flex; flex-direction: column;
            justify-content: center; align-items: flex-start;
        }
        .category-content .section-tag { background: rgba(255, 255, 255, 0.15); color: #fbbf24; }
        .category-content h2 { font-size: 36px; font-weight: 800; margin-top: 16px; }
        .category-content p { color: rgba(255, 255, 255, 0.8); margin: 16px 0 32px; font-size: 16px; line-height: 1.8; }

        /* ===== 资讯卡片 ===== */
        .post-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
            display: flex; flex-direction: column;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .post-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
        .post-category {
            background: var(--accent-light); color: var(--accent-dark);
            font-size: 12px; font-weight: 600;
            padding: 4px 12px; border-radius: 40px;
        }
        .post-date { color: var(--muted); font-size: 12px; }
        .post-title { font-size: 18px; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 10px; }
        .post-excerpt { color: var(--muted); font-size: 14px; line-height: 1.7; flex: 1; }
        .post-more { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-dark); font-size: 14px; font-weight: 600; margin-top: 18px; }
        .post-more i { transition: transform 0.3s; }
        .post-card:hover .post-more i { transform: translateX(4px); }
        .empty-state {
            grid-column: 1 / -1; text-align: center;
            padding: 60px 20px; color: var(--muted);
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .empty-state i { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }

        /* ===== 数据统计 ===== */
        .stats { background: var(--primary); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
        .stat-num { display: block; font-size: 48px; font-weight: 900; color: var(--accent); line-height: 1.2; }
        .stat-label { display: block; color: rgba(255, 255, 255, 0.7); font-size: 14px; margin-top: 8px; }

        /* ===== 流程 ===== */
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 40px 32px;
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .step-num {
            font-size: 48px; font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 2px var(--accent);
            line-height: 1; display: block;
            margin-bottom: 20px;
        }
        .step-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
        .step-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

        /* ===== 图文板块 ===== */
        .editorial-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .editorial-img {
            border-radius: 24px; overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .editorial-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .editorial-block:hover .editorial-img img { transform: scale(1.03); }
        .editorial-content h2 { font-size: 36px; color: var(--primary); font-weight: 800; margin-top: 16px; }
        .editorial-content p { color: var(--muted); margin-top: 16px; line-height: 1.8; }
        .editorial-list { margin-top: 24px; }
        .editorial-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text); font-size: 15px; }
        .editorial-list i { color: var(--accent); }

        .blockquote {
            margin-top: 28px;
            padding: 20px 28px;
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            border-radius: 0 16px 16px 0;
            font-size: 15px;
            color: var(--primary);
            line-height: 1.8;
            font-style: italic;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-item summary {
            padding: 22px 28px;
            font-size: 17px; font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--muted);
            font-size: 14px;
            transition: transform 0.3s;
        }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item[open] summary { color: var(--accent-dark); }
        .faq-item p { padding: 0 28px 24px; color: var(--muted); font-size: 15px; line-height: 1.8; }

        /* ===== CTA ===== */
        .cta-inner {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            padding: 90px 40px;
            background-size: cover;
            background-position: center;
            text-align: center;
        }
        .cta-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
        }
        .cta-content { position: relative; z-index: 2; color: #fff; }
        .cta-content h2 { font-size: 40px; font-weight: 800; margin-bottom: 16px; }
        .cta-content p { color: rgba(255, 255, 255, 0.8); margin-bottom: 32px; font-size: 17px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-logo { font-size: 22px; font-weight: 800; color: #fff; }
        .footer-brand p { margin-top: 14px; font-size: 14px; line-height: 1.8; }
        .footer-nav h4, .footer-meta h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
        .footer-nav a { display: block; padding: 5px 0; color: rgba(255, 255, 255, 0.6); font-size: 14px; }
        .footer-nav a:hover { color: var(--accent); }
        .footer-meta p { font-size: 13px; line-height: 1.7; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section { padding: 80px 0; }
            .category-banner { grid-template-columns: 1fr; }
            .category-img { min-height: 240px; }
            .section-head h2 { font-size: 30px; }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 76px;
                left: 20px;
                right: 20px;
                background: #fff;
                border-radius: 20px;
                box-shadow: var(--shadow-md);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                opacity: 0;
                transform: translateY(-10px);
                visibility: hidden;
                transition: all 0.3s;
                z-index: 99;
            }
            .main-nav.open { opacity: 1; transform: translateY(0); visibility: visible; }
            .nav-link { width: 100%; text-align: center; padding: 12px; }
            .nav-cta { display: none; }
            .menu-toggle { display: flex; }
            .hero h1 { font-size: 42px; }
            .hero-sub { font-size: 17px; }
            .editorial-block { grid-template-columns: 1fr; gap: 28px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .cta-content h2 { font-size: 30px; }
            .category-content { padding: 36px 28px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 520px) {
            .feature-grid, .post-grid, .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .hero { min-height: 520px; padding-top: 100px; }
            .hero h1 { font-size: 34px; }
            .hero-meta { flex-direction: column; gap: 8px; }
            .btn { width: 100%; justify-content: center; }
            .nav-dock { padding: 8px 16px; }
            .logo-text { font-size: 16px; }
            .cta-inner { padding: 60px 20px; }
        }

/* roulang page: article */
:root {
            --primary: #1a2e45;
            --primary-dark: #0f1e2e;
            --accent: #e8b34b;
            --bg: #faf8f4;
            --surface: #ffffff;
            --text: #1f2d3d;
            --muted: #7c8a99;
            --border: #e9e4dc;
            --radius: 20px;
            --shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.08);
            --space-section: 5rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg);
            color: var(--text);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* 浮动Dock导航 */
        .main-nav {
            position: fixed;
            top: 1.2rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 2rem;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 0.8rem 2rem;
            border-radius: 60px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.6);
            max-width: 92%;
            transition: box-shadow 0.3s ease;
        }

        .main-nav.scrolled {
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
        }

        .nav-brand {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-brand::before {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(232, 179, 75, 0.25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }

        .nav-links a {
            padding: 0.55rem 1.2rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #516273;
            transition: all 0.25s ease;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 46, 69, 0.06);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px -6px rgba(26, 46, 69, 0.4);
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--accent), #f5cf7d);
            color: #1a2e45;
            font-weight: 700;
            padding: 0.6rem 1.5rem;
            border-radius: 40px;
            font-size: 0.9rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 6px 18px -6px rgba(232, 179, 75, 0.5);
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -8px rgba(232, 179, 75, 0.6);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: var(--primary);
        }

        .nav-toggle svg {
            width: 26px;
            height: 26px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 7.5rem 0 0;
            font-size: 0.88rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #516273;
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: #c0c8d0;
        }

        /* 文章头 */
        .article-header {
            padding: 2.5rem 0 3rem;
        }

        .article-header .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(232, 179, 75, 0.15);
            color: #9a6a1a;
            padding: 0.35rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .article-header h1 {
            font-size: clamp(1.9rem, 4vw, 3rem);
            line-height: 1.3;
            margin: 1.2rem 0 1rem;
            color: var(--primary);
            font-weight: 800;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            color: var(--muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

        .article-meta .dot {
            width: 4px;
            height: 4px;
            background: #c0c8d0;
            border-radius: 50%;
        }

        .article-cover {
            border-radius: 28px;
            overflow: hidden;
            margin-top: 2.5rem;
            box-shadow: var(--shadow);
            position: relative;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            max-height: 520px;
            object-fit: cover;
        }

        /* 文章主体 */
        .article-body-wrapper {
            padding-bottom: 4rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3.5rem;
            align-items: start;
        }

        .article-content {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 2.8rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            font-size: 1.02rem;
            line-height: 1.95;
            color: #33424f;
        }

        .article-content h2 {
            font-size: 1.55rem;
            margin: 2.2rem 0 1rem;
            color: var(--primary);
            font-weight: 700;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(232, 179, 75, 0.25);
        }

        .article-content h3 {
            font-size: 1.25rem;
            margin: 1.8rem 0 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

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

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.2rem;
        }

        .article-content li {
            margin-bottom: 0.6rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(232, 179, 75, 0.06);
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
            color: #4a5a6b;
            font-style: italic;
        }

        .article-content code {
            background: #f0efe8;
            border-radius: 6px;
            padding: 0.2rem 0.5rem;
            font-size: 0.9em;
            font-family: 'SFMono-Regular', Consolas, monospace;
        }

        .article-content img {
            border-radius: 14px;
            margin: 2rem 0;
        }

        .article-content a {
            color: #b8860b;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 0.7rem 1rem;
            text-align: left;
        }

        .article-content table th {
            background: rgba(26, 46, 69, 0.04);
            font-weight: 600;
        }

        /* 侧边栏 */
        .article-sidebar {
            position: sticky;
            top: 6rem;
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: 20px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.2rem;
            position: relative;
            padding-left: 1rem;
        }

        .sidebar-card h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 18px;
            background: var(--accent);
            border-radius: 4px;
        }

        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .sidebar-list a {
            color: #516273;
            font-size: 0.92rem;
            display: flex;
            align-items: baseline;
            gap: 0.6rem;
            transition: all 0.2s;
            line-height: 1.5;
        }

        .sidebar-list a::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            position: relative;
            top: -2px;
            opacity: 0.6;
        }

        .sidebar-list a:hover {
            color: var(--primary);
            transform: translateX(3px);
        }

        .sidebar-quote {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 20px;
            padding: 1.8rem;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .sidebar-quote::after {
            content: '';
            position: absolute;
            right: -30px;
            bottom: -30px;
            width: 100px;
            height: 100px;
            background: rgba(232, 179, 75, 0.2);
            border-radius: 50%;
        }

        .sidebar-quote p {
            font-size: 0.95rem;
            opacity: 0.9;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        .sidebar-quote .quote-author {
            display: block;
            margin-top: 1rem;
            font-weight: 600;
            color: var(--accent);
            font-size: 0.85rem;
        }

        /* 标签 */
        .article-tags {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
        }

        .article-tags .tag-label {
            font-size: 0.85rem;
            color: var(--muted);
            font-weight: 500;
        }

        .tag-badge {
            background: #f0efe8;
            color: #4a5a6b;
            padding: 0.35rem 1rem;
            border-radius: 40px;
            font-size: 0.82rem;
            transition: all 0.2s;
        }

        .tag-badge:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 相关推荐 */
        .related-section {
            padding: 4rem 0;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 2.5rem;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            position: relative;
            padding-bottom: 0.8rem;
        }

        .section-heading h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
        }

        .section-heading .more-link {
            color: #516273;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .section-heading .more-link:hover {
            color: var(--primary);
            gap: 0.6rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .related-card {
            background: var(--surface);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
        }

        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .card-img img {
            transform: scale(1.05);
        }

        .related-card .card-body {
            padding: 1.4rem;
        }

        .related-card .card-cat {
            display: inline-block;
            font-size: 0.78rem;
            color: #9a6a1a;
            background: rgba(232, 179, 75, 0.12);
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            margin-bottom: 0.6rem;
            font-weight: 600;
        }

        .related-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 0.4rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-date {
            font-size: 0.82rem;
            color: var(--muted);
        }

        /* FAQ */
        .faq-section {
            padding: 4rem 0;
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .faq-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: rgba(232, 179, 75, 0.08);
            border-radius: 50%;
            transform: translate(30%, -30%);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
            position: relative;
            z-index: 1;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            padding: 1.5rem;
            transition: background 0.3s;
        }

        .faq-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .faq-item h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }

        .faq-item h3::before {
            content: 'Q';
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent);
            color: #1a2e45;
            font-size: 0.75rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 0.2rem;
        }

        .faq-item p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.85;
            margin-left: 2.2rem;
        }

        /* CTA */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, #f5f0e8 0%, #e9e0d2 100%);
            text-align: center;
            position: relative;
        }

        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            padding: 3rem 2rem;
            background: var(--surface);
            border-radius: 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .cta-box p {
            color: #516273;
            margin-bottom: 2rem;
            font-size: 1rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.4rem;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            box-shadow: 0 8px 25px -6px rgba(26, 46, 69, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 35px -6px rgba(26, 46, 69, 0.5);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.4rem;
            background: linear-gradient(135deg, var(--accent), #f5cf7d);
            color: #1a2e45;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            box-shadow: 0 8px 25px -6px rgba(232, 179, 75, 0.5);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 35px -6px rgba(232, 179, 75, 0.6);
        }

        /* 缺失文章 */
        .not-found {
            text-align: center;
            padding: 4rem 0;
            min-height: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .not-found .nf-code {
            font-size: 5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .not-found p {
            color: var(--muted);
            margin: 1.5rem 0 2rem;
            font-size: 1.1rem;
        }

        /* 页脚 */
        .site-footer {
            background: #0f1e2e;
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-logo::before {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(232, 179, 75, 0.2);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            opacity: 0.75;
        }

        .footer-nav h4,
        .footer-meta h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1.2rem;
            font-weight: 600;
        }

        .footer-nav a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: all 0.2s;
        }

        .footer-nav a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-meta p {
            font-size: 0.88rem;
            line-height: 1.7;
            opacity: 0.6;
            margin-bottom: 0.6rem;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            opacity: 0.5;
            gap: 1rem;
            flex-wrap: wrap;
        }

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

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 3rem;
            }

            .main-nav {
                justify-content: space-between;
                padding: 0.7rem 1.2rem;
                gap: 1rem;
                border-radius: 30px;
                top: 0.8rem;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 0.8rem);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                border-radius: 20px;
                box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
                padding: 1rem;
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                border: 1px solid var(--border);
                backdrop-filter: blur(20px);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 0.8rem 1.5rem;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .breadcrumb {
                padding-top: 6rem;
            }

            .article-content {
                padding: 1.8rem;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-box {
                padding: 2rem 1.5rem;
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .nav-brand {
                font-size: 0.95rem;
            }

            .article-header h1 {
                font-size: 1.6rem;
            }

            .article-content {
                padding: 1.4rem;
                font-size: 0.95rem;
            }

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

            .cta-buttons .btn-primary,
            .cta-buttons .btn-accent {
                width: 100%;
                justify-content: center;
            }

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

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(232, 179, 75, 0.6);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg);
        }

        ::-webkit-scrollbar-thumb {
            background: #c8cccE;
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #a0a8b0;
        }

/* roulang page: category1 */
:root {
        --primary: #d97706;
        --primary-hover: #b45309;
        --primary-light: #f59e0b;
        --dark-bg: #0c0c0d;
        --dark-card: #141416;
        --dark-border: #26262a;
        --text-light: #faf7f2;
        --text-muted-dark: #9ca3af;
        --text-muted-light: #6b7280;
        --bg-cream: #faf7f2;
        --radius: 16px;
        --radius-sm: 8px;
        --shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
        --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.12);
        --border: #e5e1dc;
        --space-section: 96px;
        --space-section-sm: 64px;
    }

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

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

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        line-height: 1.7;
        background: var(--bg-cream);
        color: #1a1a1a;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        text-decoration: none;
        color: inherit;
        transition: color .25s ease, opacity .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
    }

    button {
        font-family: inherit;
        border: none;
        background: none;
        cursor: pointer;
    }

    input {
        font-family: inherit;
    }

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

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

    /* ========== Header / Nav ========== */
    .site-header {
        position: sticky;
        top: 16px;
        z-index: 100;
        padding: 0 16px;
    }

    .header-dock {
        max-width: 1100px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(229, 231, 235, 0.7);
        border-radius: 999px;
        padding: 8px 16px 8px 24px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
        transition: box-shadow .3s ease, background .3s ease;
    }

    .header-dock:hover {
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    }

    .site-logo {
        font-size: 18px;
        font-weight: 800;
        letter-spacing: -0.3px;
        color: #1a1a1a;
        white-space: nowrap;
        background: linear-gradient(135deg, #b45309, #f59e0b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-link {
        display: inline-block;
        padding: 8px 18px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        color: #4b5563;
        transition: background .25s, color .25s, transform .2s;
    }

    .nav-link:hover {
        background: #f3f4f6;
        color: #1a1a1a;
    }

    .nav-link.active {
        background: #1a1a1a;
        color: #fbbf24;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 22px;
        border-radius: 999px;
        background: linear-gradient(135deg, #d97706, #f59e0b);
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
        transition: transform .2s, box-shadow .2s;
    }

    .header-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(217, 119, 6, 0.4);
    }

    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 12px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        background: rgba(0, 0, 0, 0.04);
    }

    .nav-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: #1a1a1a;
        border-radius: 2px;
        transition: transform .3s, opacity .3s;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media (max-width: 768px) {
        .site-header {
            top: 8px;
        }

        .header-dock {
            padding: 8px 12px;
            border-radius: 24px;
        }

        .main-nav {
            position: absolute;
            top: 56px;
            left: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.98);
            border-radius: 20px;
            padding: 12px;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.15);
            border: 1px solid rgba(229, 231, 235, 0.6);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity .3s, transform .3s, visibility .3s;
        }

        .main-nav.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-link {
            padding: 12px 16px;
            border-radius: 12px;
            text-align: center;
            font-size: 15px;
        }

        .nav-toggle {
            display: flex;
        }

        .header-cta {
            display: none;
        }
    }

    /* ========== Hero ========== */
    .hero {
        position: relative;
        min-height: 460px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        overflow: hidden;
        background: var(--dark-bg);
        margin: 0 16px;
        border-radius: 28px;
        margin-top: 20px;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        opacity: 0.45;
        z-index: 0;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(12, 12, 13, 0.5) 0%, rgba(12, 12, 13, 0.3) 50%, rgba(12, 12, 13, 0.75) 100%);
        z-index: 1;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        padding: 80px 32px;
    }

    .hero-badge {
        display: inline-block;
        background: rgba(245, 158, 11, 0.2);
        color: #fbbf24;
        border: 1px solid rgba(245, 158, 11, 0.3);
        padding: 6px 18px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 52px;
        font-weight: 900;
        color: #fff;
        letter-spacing: -1px;
        line-height: 1.15;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.85);
        max-width: 600px;
        margin: 0 auto 32px;
        line-height: 1.7;
    }

    .hero-actions {
        display: flex;
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 30px;
        border-radius: 12px;
        background: linear-gradient(135deg, #d97706, #f59e0b);
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        box-shadow: 0 4px 20px rgba(217, 119, 6, 0.35);
        transition: transform .25s, box-shadow .25s;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(217, 119, 6, 0.45);
    }

    .btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 30px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        border: 1px solid rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(8px);
        transition: background .25s, border-color .25s, transform .25s;
    }

    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.18);
        border-color: rgba(255, 255, 255, 0.4);
        transform: translateY(-2px);
    }

    @media (max-width: 768px) {
        .hero {
            min-height: 380px;
            margin: 0 8px;
            border-radius: 20px;
            margin-top: 12px;
        }

        .hero-content {
            padding: 60px 20px;
        }

        .hero-title {
            font-size: 34px;
        }

        .hero-desc {
            font-size: 15px;
        }
    }

    @media (max-width: 520px) {
        .hero-title {
            font-size: 28px;
        }

        .hero-desc {
            font-size: 14px;
        }

        .btn-primary,
        .btn-ghost {
            padding: 10px 22px;
            font-size: 14px;
        }
    }

    /* ========== Section ========== */
    .section {
        padding: 80px 0;
    }

    .section-header {
        text-align: center;
        margin-bottom: 52px;
    }

    .section-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 2px;
        color: #d97706;
        background: rgba(217, 119, 6, 0.08);
        padding: 4px 14px;
        border-radius: 999px;
        margin-bottom: 12px;
    }

    .section-header h2 {
        font-size: 36px;
        font-weight: 900;
        letter-spacing: -0.5px;
        color: #1a1a1a;
        line-height: 1.2;
        margin-bottom: 12px;
    }

    .section-header p {
        font-size: 16px;
        color: #6b7280;
        max-width: 560px;
        margin: 0 auto;
        line-height: 1.7;
    }

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

        .section-header h2 {
            font-size: 28px;
        }
    }

    /* ========== Guide Cards ========== */
    .guides-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .guide-card {
        background: #fff;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid rgba(229, 231, 235, 0.5);
        box-shadow: var(--shadow);
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .guide-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(217, 119, 6, 0.2);
    }

    .guide-cover-wrap {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
    }

    .guide-cover-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .guide-card:hover .guide-cover-wrap img {
        transform: scale(1.05);
    }

    .guide-cover-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
    }

    .guide-body {
        padding: 24px;
    }

    .guide-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 12px;
    }

    .guide-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: #d97706;
        background: rgba(217, 119, 6, 0.08);
        padding: 3px 12px;
        border-radius: 999px;
    }

    .guide-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: #1a1a1a;
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .guide-body p {
        font-size: 14px;
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 16px;
    }

    .guide-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: #9ca3af;
    }

    .guide-link {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 14px;
        font-weight: 600;
        color: #d97706;
        transition: gap .25s ease;
    }

    .guide-link:hover {
        gap: 8px;
    }

    @media (max-width: 1024px) {
        .guides-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .guides-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ========== Category Cards ========== */
    .category-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .category-card {
        background: #fff;
        border-radius: var(--radius);
        padding: 28px 24px;
        text-align: center;
        border: 1px solid rgba(229, 231, 235, 0.5);
        box-shadow: var(--shadow);
        transition: transform .3s, box-shadow .3s, border-color .3s;
    }

    .category-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(217, 119, 6, 0.25);
    }

    .category-icon {
        width: 56px;
        height: 56px;
        margin: 0 auto 16px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        font-weight: 800;
        color: #fff;
        background: linear-gradient(135deg, #d97706, #f59e0b);
        box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
    }

    .category-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: #1a1a1a;
        margin-bottom: 8px;
    }

    .category-card p {
        font-size: 13px;
        color: #6b7280;
        line-height: 1.5;
    }

    @media (max-width: 768px) {
        .category-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 520px) {
        .category-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ========== Tutorial List ========== */
    .tutorial-section {
        background: #fff;
        border-top: 1px solid rgba(229, 231, 235, 0.4);
        border-bottom: 1px solid rgba(229, 231, 235, 0.4);
    }

    .tutorial-list {
        max-width: 760px;
        margin: 0 auto;
    }

    .tutorial-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 18px 0;
        border-bottom: 1px solid rgba(229, 231, 235, 0.5);
        transition: padding-left .3s ease, background .3s ease;
        border-radius: 12px;
    }

    .tutorial-item:last-child {
        border-bottom: none;
    }

    .tutorial-item:hover {
        padding-left: 12px;
        background: rgba(249, 250, 251, 0.8);
    }

    .tutorial-num {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 800;
        color: #d97706;
        background: rgba(217, 119, 6, 0.1);
    }

    .tutorial-content {
        flex: 1;
    }

    .tutorial-content h3 {
        font-size: 16px;
        font-weight: 600;
        color: #1a1a1a;
        margin-bottom: 2px;
    }

    .tutorial-content p {
        font-size: 14px;
        color: #9ca3af;
    }

    .tutorial-arrow {
        font-size: 18px;
        color: #d1d5db;
        transition: color .3s, transform .3s;
    }

    .tutorial-item:hover .tutorial-arrow {
        color: #d97706;
        transform: translateX(4px);
    }

    @media (max-width: 520px) {
        .tutorial-item {
            padding: 14px 8px;
            gap: 12px;
        }

        .tutorial-content h3 {
            font-size: 14px;
        }

        .tutorial-content p {
            font-size: 12px;
        }
    }

    /* ========== Stats ========== */
    .stats-section {
        background: var(--dark-bg);
        padding: 80px 0;
        position: relative;
        overflow: hidden;
    }

    .stats-section::before {
        content: '';
        position: absolute;
        top: -200px;
        right: -200px;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
        pointer-events: none;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .stat-item {
        text-align: center;
        padding: 24px;
        border-radius: var(--radius);
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.06);
        transition: background .3s, transform .3s;
    }

    .stat-item:hover {
        background: rgba(255, 255, 255, 0.06);
        transform: translateY(-4px);
    }

    .stat-number {
        font-size: 44px;
        font-weight: 900;
        color: #fbbf24;
        line-height: 1.1;
        margin-bottom: 8px;
        font-feature-settings: 'tnum';
    }

    .stat-label {
        font-size: 14px;
        color: #9ca3af;
        letter-spacing: 1px;
    }

    @media (max-width: 768px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .stat-number {
            font-size: 32px;
        }
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr 1fr;
        }

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

        .stat-number {
            font-size: 26px;
        }
    }

    /* ========== FAQ ========== */
    .faq-section {
        background: #fff;
    }

    .faq-list {
        max-width: 760px;
        margin: 0 auto;
    }

    .faq-item {
        border: 1px solid rgba(229, 231, 235, 0.5);
        border-radius: 16px;
        margin-bottom: 16px;
        overflow: hidden;
        background: #fff;
        transition: box-shadow .3s, border-color .3s;
    }

    .faq-item:hover {
        box-shadow: var(--shadow);
        border-color: rgba(217, 119, 6, 0.15);
    }

    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        color: #1a1a1a;
        cursor: pointer;
        transition: color .25s;
    }

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

    .faq-item summary:hover {
        color: #d97706;
    }

    .faq-item summary .faq-icon {
        font-size: 12px;
        color: #d97706;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(217, 119, 6, 0.08);
        flex-shrink: 0;
        transition: transform .3s;
    }

    .faq-item[open] summary .faq-icon {
        transform: rotate(45deg);
    }

    .faq-answer {
        padding: 0 24px 20px;
        font-size: 15px;
        color: #6b7280;
        line-height: 1.7;
        background: rgba(249, 250, 251, 0.4);
        border-top: 1px solid rgba(229, 231, 235, 0.2);
        margin-top: 0;
        padding-top: 16px;
    }

    @media (max-width: 520px) {
        .faq-item summary {
            font-size: 14px;
            padding: 16px 18px;
        }

        .faq-answer {
            padding: 0 18px 16px;
            font-size: 13px;
        }
    }

    /* ========== CTA ========== */
    .cta-section {
        position: relative;
        padding: 80px 0;
        background: var(--dark-bg);
    }

    .cta-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        opacity: 0.3;
    }

    .cta-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(12, 12, 13, 0.6), rgba(12, 12, 13, 0.85));
    }

    .cta-content {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }

    .cta-content h2 {
        font-size: 36px;
        font-weight: 900;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }

    .cta-content p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.7;
        margin-bottom: 32px;
    }

    @media (max-width: 768px) {
        .cta-content h2 {
            font-size: 28px;
        }
    }

    /* ========== Footer ========== */
    .site-footer {
        background: #0a0a0b;
        padding: 64px 0 0;
        color: #9ca3af;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-brand .footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: #fbbf24;
        display: block;
        margin-bottom: 12px;
        letter-spacing: -0.3px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: #6b7280;
        max-width: 300px;
    }

    .footer-nav h4,
    .footer-meta h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .footer-nav a {
        display: block;
        font-size: 14px;
        color: #9ca3af;
        padding: 5px 0;
        transition: color .25s, padding-left .25s;
    }

    .footer-nav a:hover {
        color: #fbbf24;
        padding-left: 6px;
    }

    .footer-meta p {
        font-size: 13px;
        line-height: 1.6;
        color: #6b7280;
        margin-bottom: 8px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 0;
        font-size: 13px;
        color: #4b5563;
        flex-wrap: wrap;
        gap: 8px;
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

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

    /* ========== Utilities ========== */
    .text-gradient-gold {
        background: linear-gradient(135deg, #d97706, #fbbf24);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .section-alt {
        background: #fff;
    }

    .section-dark {
        background: #0c0c0d;
        color: #fff;
    }

    .section-dark .section-header h2 {
        color: #fff;
    }

    .section-dark .section-header p {
        color: #9ca3af;
    }