/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #132a4a;
            --primary-dark: #070f1c;
            --accent: #f5b342;
            --accent-hover: #e8a230;
            --accent-soft: #fef3e0;
            --bg-body: #f4f6fb;
            --bg-card: #ffffff;
            --bg-dark: #0b1a30;
            --bg-dark-alt: #0f2240;
            --text-primary: #0b1a30;
            --text-secondary: #3d4f6a;
            --text-weak: #7a8aa3;
            --text-inverse: #f0f4ff;
            --text-accent: #c99120;
            --border-light: #e2e8f0;
            --border-card: #edf2f7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(11, 26, 48, 0.06);
            --shadow-md: 0 8px 28px rgba(11, 26, 48, 0.10);
            --shadow-lg: 0 20px 50px rgba(11, 26, 48, 0.14);
            --shadow-glow: 0 0 40px rgba(245, 179, 66, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 0.75rem; color: var(--text-secondary); }

        /* ===== 容器 ===== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }
        .container-narrow { max-width: 900px; }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled { background: rgba(7, 15, 28, 0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-height); max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
        }
        .site-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.35rem; font-weight: 800; color: var(--text-inverse);
            letter-spacing: 0.5px; white-space: nowrap;
        }
        .site-logo i { color: var(--accent); font-size: 1.5rem; }
        .site-logo span { background: linear-gradient(135deg, #f5b342, #d4942b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        .main-nav { display: flex; align-items: center; gap: 4px; }
        .main-nav a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 0.92rem; font-weight: 500; color: rgba(255,255,255,0.75);
            transition: all var(--transition); position: relative;
        }
        .main-nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .main-nav a.active { color: var(--accent); background: rgba(245,179,66,0.12); }
        .main-nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent); border-radius: 4px; }

        .nav-cta {
            background: var(--accent) !important; color: var(--primary-dark) !important;
            padding: 8px 24px !important; border-radius: 50px !important;
            font-weight: 700 !important; font-size: 0.88rem !important;
            box-shadow: 0 4px 16px rgba(245,179,66,0.25);
            transition: all var(--transition) !important;
        }
        .nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-1px); box-shadow: 0 8px 28px rgba(245,179,66,0.35) !important; color: var(--primary-dark) !important; }

        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px; }

        /* ===== 移动端导航 ===== */
        @media (max-width: 820px) {
            .main-nav { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(7,15,28,0.98); flex-direction: column; padding: 16px 24px 24px; border-bottom: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(20px); }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .main-nav a.active::after { display: none; }
            .nav-cta { text-align: center; margin-top: 8px; }
            .nav-toggle { display: block; }
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 88vh; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative; overflow: hidden; padding: 120px 0 80px;
        }
        .hero-section::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(245,179,66,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(255,255,255,0.04) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-stars {
            position: absolute; inset: 0; overflow: hidden; pointer-events: none;
        }
        .hero-stars span {
            position: absolute; width: 3px; height: 3px; background: #fff; border-radius: 50%;
            animation: twinkle 4s ease-in-out infinite alternate;
        }
        @keyframes twinkle { 0% { opacity: 0.2; transform: scale(0.8); } 100% { opacity: 0.9; transform: scale(1.2); } }
        .hero-stars span:nth-child(1) { top: 12%; left: 8%; width: 2px; height: 2px; animation-delay: 0.2s; }
        .hero-stars span:nth-child(2) { top: 25%; left: 22%; width: 4px; height: 4px; animation-delay: 1.0s; }
        .hero-stars span:nth-child(3) { top: 45%; left: 5%; width: 2px; height: 2px; animation-delay: 0.6s; }
        .hero-stars span:nth-child(4) { top: 65%; left: 15%; width: 3px; height: 3px; animation-delay: 1.8s; }
        .hero-stars span:nth-child(5) { top: 20%; right: 12%; width: 3px; height: 3px; animation-delay: 0.4s; }
        .hero-stars span:nth-child(6) { top: 50%; right: 8%; width: 2px; height: 2px; animation-delay: 2.2s; }
        .hero-stars span:nth-child(7) { top: 75%; right: 20%; width: 4px; height: 4px; animation-delay: 1.4s; }
        .hero-stars span:nth-child(8) { bottom: 15%; left: 40%; width: 2px; height: 2px; animation-delay: 0.8s; }

        .hero-content { text-align: center; position: relative; z-index: 2; max-width: 820px; margin: 0 auto; padding: 0 24px; }
        .hero-badge {
            display: inline-block; padding: 6px 20px; border-radius: 50px;
            background: rgba(245,179,66,0.15); border: 1px solid rgba(245,179,66,0.25);
            color: var(--accent); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px;
            margin-bottom: 24px; backdrop-filter: blur(4px);
        }
        .hero-content h1 { color: var(--text-inverse); margin-bottom: 20px; }
        .hero-content h1 span { background: linear-gradient(135deg, #f5b342, #e0942a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-content p { color: rgba(255,255,255,0.7); font-size: 1.15rem; max-width: 640px; margin: 0 auto 32px; line-height: 1.7; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .btn-primary, .btn-secondary { display: inline-flex; align-items: center; gap: 10px; padding: 14px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: all var(--transition); text-decoration: none; }
        .btn-primary { background: var(--accent); color: var(--primary-dark); box-shadow: 0 6px 24px rgba(245,179,66,0.30); }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 12px 36px rgba(245,179,66,0.40); color: var(--primary-dark); }
        .btn-secondary { background: rgba(255,255,255,0.08); color: var(--text-inverse); border: 1px solid rgba(255,255,255,0.15); backdrop-filter: blur(4px); }
        .btn-secondary:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); color: #fff; }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-card); }
        .section-dark { background: var(--bg-dark); }
        .section-dark h2, .section-dark h3, .section-dark .text-weak { color: var(--text-inverse); }
        .section-dark p { color: rgba(255,255,255,0.7); }
        .section-header { text-align: center; margin-bottom: 52px; }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { max-width: 600px; margin: 0 auto; color: var(--text-secondary); font-size: 1.05rem; }
        .section-header .subtitle { display: inline-block; padding: 4px 16px; border-radius: 50px; background: var(--accent-soft); color: var(--text-accent); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.3px; margin-bottom: 12px; }

        /* ===== 核心优势卡片 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-md); padding: 36px 28px;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-card);
            transition: all var(--transition); text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent-soft); }
        .feature-icon { width: 60px; height: 60px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.6rem; color: #fff; }
        .feature-icon.blue { background: linear-gradient(135deg, #1a3a6a, #2a5aaa); }
        .feature-icon.gold { background: linear-gradient(135deg, #d4942b, #f5b342); }
        .feature-icon.teal { background: linear-gradient(135deg, #0d6b6b, #14a0a0); }
        .feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
        .feature-card p { font-size: 0.92rem; margin-bottom: 0; }

        @media (max-width: 820px) { .features-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }

        /* ===== 分类入口 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .category-card {
            background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-card);
            transition: all var(--transition); display: flex; flex-direction: column;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .category-card-top { padding: 28px 28px 16px; }
        .category-card-top .cat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #fff; margin-bottom: 16px; }
        .category-card-top h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .category-card-top p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0; }
        .category-card-footer { padding: 16px 28px; border-top: 1px solid var(--border-light); margin-top: auto; }
        .category-card-footer a { font-weight: 600; font-size: 0.9rem; color: var(--text-accent); display: flex; align-items: center; gap: 6px; }
        .category-card-footer a i { transition: transform var(--transition); }
        .category-card-footer a:hover i { transform: translateX(4px); }

        @media (max-width: 820px) { .category-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 520px) { .category-grid { grid-template-columns: 1fr; } }

        /* ===== 最新资讯 / CMS 列表 ===== */
        .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .news-card {
            background: var(--bg-card); border-radius: var(--radius-md); padding: 24px 28px;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-card);
            transition: all var(--transition); display: flex; flex-direction: column;
        }
        .news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .news-card .news-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-weak); margin-bottom: 8px; }
        .news-card .news-meta .cat-tag { padding: 2px 12px; border-radius: 50px; background: var(--accent-soft); color: var(--text-accent); font-weight: 600; }
        .news-card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
        .news-card h3 a { color: var(--text-primary); }
        .news-card h3 a:hover { color: var(--text-accent); }
        .news-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; flex: 1; }
        .news-card .news-date { font-size: 0.8rem; color: var(--text-weak); }
        .news-empty { grid-column: 1 / -1; text-align: center; padding: 40px; color: var(--text-weak); font-size: 1rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-light); }

        @media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .stat-card { text-align: center; padding: 28px 16px; }
        .stat-card .stat-number { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 6px; }
        .stat-card .stat-label { font-size: 0.92rem; color: rgba(255,255,255,0.7); }
        @media (max-width: 640px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

        /* ===== 使用流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .step-card { text-align: center; position: relative; }
        .step-number { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: var(--primary-dark); font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; position: relative; z-index: 2; }
        .step-card h4 { font-size: 1rem; margin-bottom: 6px; }
        .step-card p { font-size: 0.88rem; margin-bottom: 0; }
        .steps-connector { display: none; }
        @media (max-width: 820px) { .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; gap: 24px; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-card); overflow: hidden; transition: all var(--transition); }
        .faq-item:hover { border-color: var(--accent-soft); }
        .faq-question { padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--text-primary); background: none; border: none; width: 100%; text-align: left; gap: 12px; }
        .faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px 18px; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(145deg, var(--primary-dark), var(--primary));
            padding: 80px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(245,179,66,0.06) 0%, transparent 70%); pointer-events: none; }
        .cta-section h2 { color: var(--text-inverse); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-section .btn-primary { font-size: 1.05rem; padding: 16px 44px; }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--primary-dark); padding: 48px 0 24px; border-top: 1px solid rgba(255,255,255,0.05); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
        .footer-brand .site-logo { margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); max-width: 300px; }
        .footer-col h4 { color: var(--text-inverse); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; padding: 4px 0; font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; text-align: center; font-size: 0.84rem; color: rgba(255,255,255,0.4); }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        @media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; text-align: center; } .footer-brand p { max-width: 100%; } }

        /* ===== 实用辅助 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 16px; }
        .mt-2 { margin-top: 32px; }
        .gap-1 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== 响应式微调 ===== */
        @media (max-width: 820px) {
            .section { padding: 56px 0; }
            .section-header { margin-bottom: 36px; }
            .hero-section { min-height: 70vh; padding: 100px 0 60px; }
        }
        @media (max-width: 520px) {
            .hero-section { min-height: 60vh; padding: 80px 0 40px; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content p { font-size: 0.95rem; }
            .btn-primary, .btn-secondary { padding: 12px 28px; font-size: 0.9rem; }
            .section { padding: 40px 0; }
        }

        /* Foundation 覆盖：去掉默认卡片/按钮味道 */
        .button { margin-bottom: 0; }
        .card { box-shadow: none; border: none; }
        .top-bar { background: transparent; padding: 0; }
        .top-bar ul { background: transparent; }
        .menu > li > a { padding: 8px 18px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a9e;
            --primary-dark: #0f1b47;
            --accent: #b8860b;
            --accent-light: #d4a843;
            --accent-dark: #8b6508;
            --bg-body: #f5f7fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1b47;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e2e6f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26,42,108,0.06);
            --shadow-md: 0 6px 24px rgba(26,42,108,0.10);
            --shadow-lg: 0 16px 48px rgba(26,42,108,0.14);
            --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .site-logo i { color: var(--accent); font-size: 1.6rem; }
        .site-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover { opacity: 0.9; }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(26,42,108,0.06); }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(26,42,108,0.06);
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(26,42,108,0.20);
        }
        .main-nav a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 8px 22px;
            box-shadow: 0 4px 14px rgba(184,134,11,0.30);
        }
        .main-nav a.nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(184,134,11,0.35);
        }

        /* ===== 页面主体 ===== */
        .page-article {
            padding: 48px 0 64px;
        }
        .article-breadcrumb {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-breadcrumb a { color: var(--text-muted); }
        .article-breadcrumb a:hover { color: var(--primary-light); }
        .article-breadcrumb .sep { margin: 0 6px; }

        .article-main-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            border: 1px solid var(--border-color);
        }
        .article-header {
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .article-category {
            display: inline-block;
            background: rgba(26,42,108,0.08);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .article-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .article-meta i { margin-right: 5px; color: var(--accent); }
        .article-body {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body p { margin-bottom: 1.2rem; }
        .article-body h2, .article-body h3 { margin-top: 2rem; margin-bottom: 0.8rem; color: var(--text-primary); }
        .article-body ul, .article-body ol { margin-bottom: 1.2rem; padding-left: 1.6rem; list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 0.4rem; color: var(--text-secondary); }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2rem 0;
            background: rgba(184,134,11,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--accent); }

        .article-footer-nav {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-footer-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 30px;
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-footer-nav a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(26,42,108,0.15);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            margin-top: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list a i { color: var(--accent); font-size: 0.85rem; width: 18px; }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            padding: 4px 14px;
            border-radius: 30px;
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 0.82rem;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .sidebar-tags a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 52px 0 28px;
            margin-top: 16px;
        }
        .site-footer .site-logo span { -webkit-text-fill-color: #fff; background: none; }
        .site-footer .site-logo i { color: var(--accent-light); }
        .site-footer p { color: rgba(255,255,255,0.7); font-size: 0.92rem; margin-bottom: 0.6rem; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.10);
            padding-top: 20px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== 文章未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .not-found-box i { font-size: 3.6rem; color: var(--accent); margin-bottom: 20px; display: block; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box .btn-home {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .btn-home:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,42,108,0.20); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .article-main-card { padding: 32px 28px; }
        }

        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; text-align: center; padding: 10px 16px; }
            .main-nav a.nav-cta { margin-top: 6px; }

            .article-title { font-size: 1.5rem; }
            .article-main-card { padding: 24px 18px; }
            .article-meta { gap: 12px; font-size: 0.82rem; }
            .article-body { font-size: 0.96rem; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.3rem; }
        }

        @media (max-width: 520px) {
            .header-inner { padding: 0 16px; height: 60px; }
            .site-logo { font-size: 1.1rem; }
            .site-logo i { font-size: 1.3rem; }
            .container { padding: 0 16px; }
            .article-main-card { padding: 18px 14px; }
            .article-title { font-size: 1.25rem; }
            .page-article { padding: 24px 0 40px; }
            .sidebar-card { padding: 20px 16px; }
        }

/* roulang page: category1 */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --secondary: #e8a832;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a1a;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2e;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #8a9aaa;
            --text-white: #f0f4f8;
            --border-color: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

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

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

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

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            text-decoration: none;
        }
        .site-logo i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.85;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .main-nav a.nav-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 50px;
            margin-left: 10px;
            box-shadow: 0 2px 12px rgba(232, 168, 50, 0.35);
        }
        .main-nav a.nav-cta i {
            margin-right: 6px;
        }
        .main-nav a.nav-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 168, 50, 0.45);
        }

        @media screen and (max-width: 1024px) {
            .main-nav a {
                padding: 6px 12px;
                font-size: 0.88rem;
            }
            .main-nav a.nav-cta {
                padding: 6px 16px;
                font-size: 0.85rem;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 4px;
                align-items: stretch;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                border-radius: var(--radius-sm);
            }
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 64px 0 56px;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.3;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-hero h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 1.15rem;
            max-width: 680px;
            opacity: 0.85;
            line-height: 1.7;
        }
        .page-hero .breadcrumb {
            display: flex;
            gap: 8px;
            font-size: 0.9rem;
            margin-bottom: 20px;
            opacity: 0.7;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb a {
            color: var(--text-white);
            opacity: 0.8;
            text-decoration: none;
        }
        .page-hero .breadcrumb a:hover {
            opacity: 1;
            text-decoration: underline;
        }
        .page-hero .breadcrumb span {
            opacity: 0.5;
        }

        @media screen and (max-width: 768px) {
            .page-hero {
                padding: 44px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 步骤卡片 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media screen and (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 详细指南列表 ===== */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .guide-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .guide-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .guide-item .icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(26, 58, 92, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .guide-item .content h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .guide-item .content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .guide-item .content a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--secondary-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 6px;
        }
        .guide-item .content a i {
            font-size: 0.75rem;
            transition: var(--transition);
        }
        .guide-item .content a:hover i {
            transform: translateX(3px);
        }

        @media screen and (max-width: 768px) {
            .guide-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 常见问题 ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item h4 i {
            color: var(--secondary);
            font-size: 0.9rem;
        }
        .faq-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        /* ===== 提示框 ===== */
        .tip-box {
            background: rgba(232, 168, 50, 0.08);
            border-left: 4px solid var(--secondary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 20px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            margin-top: 32px;
        }
        .tip-box i {
            font-size: 1.4rem;
            color: var(--secondary);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .tip-box p {
            font-size: 0.95rem;
            color: var(--text-primary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .tip-box strong {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            text-align: center;
            color: var(--text-white);
            box-shadow: var(--shadow-lg);
        }
        .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-card p {
            font-size: 1.1rem;
            opacity: 0.85;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-card .button {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 20px rgba(232, 168, 50, 0.4);
            text-decoration: none;
        }
        .cta-card .button:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 168, 50, 0.55);
        }

        @media screen and (max-width: 768px) {
            .cta-card {
                padding: 36px 24px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .cta-card p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .footer-brand .site-logo span {
            background: none;
            -webkit-text-fill-color: #fff;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            font-size: 0.85rem;
            text-align: center;
            opacity: 0.6;
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 { margin-top: 16px; }
        .mt-2 { margin-top: 32px; }
        .mt-3 { margin-top: 48px; }
        .mb-1 { margin-bottom: 16px; }
        .mb-2 { margin-bottom: 32px; }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media screen and (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media screen and (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
        }

        /* Foundation 覆盖 */
        .button {
            transition: var(--transition);
        }
        .button:hover {
            transform: translateY(-1px);
        }
        .callout {
            border-radius: var(--radius-md);
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #e94560;
            --accent-light: #ff6b7a;
            --accent-dark: #c23045;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2e;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #6e6e8a;
            --text-white: #f0f2f8;
            --border-color: #e2e4ed;
            --border-light: #f0f1f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 108, 0.08);
            --shadow-lg: 0 14px 40px rgba(26, 42, 108, 0.10);
            --shadow-hover: 0 18px 48px rgba(26, 42, 108, 0.15);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2.0rem;
            margin-bottom: 1.2rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }
        p {
            margin-bottom: 1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(26, 42, 108, 0.05);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.04);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .main-nav a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.25);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a.nav-cta i {
            font-size: 0.85rem;
        }
        .main-nav a.nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
            color: #fff;
        }

        /* ===== Hero / Page Banner ===== */
        .page-hero {
            padding: 140px 0 70px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: 5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 700px;
            line-height: 1.8;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.90rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span.sep {
            color: rgba(255, 255, 255, 0.35);
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.0rem;
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-title .badge {
            display: inline-block;
            background: rgba(233, 69, 96, 0.08);
            color: var(--accent);
            font-size: 0.80rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card .card-icon {
            font-size: 2.0rem;
            color: var(--accent);
            margin-bottom: 16px;
            display: inline-block;
            background: rgba(233, 69, 96, 0.06);
            width: 56px;
            height: 56px;
            line-height: 56px;
            text-align: center;
            border-radius: var(--radius-md);
        }
        .card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
            padding: 2px 12px;
            border-radius: 50px;
            margin-top: 12px;
        }

        /* ===== Grid helpers (overrides Foundation for tighter control) ===== */
        .grid-x.grid-padding-x>div {
            padding-left: 12px;
            padding-right: 12px;
        }
        .grid-x.grid-padding-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        /* ===== Steps / Timeline ===== */
        .step-list {
            counter-reset: step;
        }
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            counter-increment: step;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(26, 42, 108, 0.15);
        }
        .step-content h4 {
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            color: #fff;
            font-size: 2.0rem;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-box .button {
            background: var(--accent);
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 24px rgba(233, 69, 96, 0.30);
        }
        .cta-box .button:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(233, 69, 96, 0.40);
            color: #fff;
        }
        .cta-box .button i {
            font-size: 0.95rem;
        }

        /* ===== Tags / Badges ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .tag {
            display: inline-block;
            font-size: 0.80rem;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg-light);
            padding: 4px 16px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Stats / Data Row ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .stat-item .number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .site-footer .site-logo span {
            color: #fff;
            -webkit-text-fill-color: #fff;
            background: none;
        }
        .site-footer .site-logo i {
            -webkit-text-fill-color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.0rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.92rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Mobile Navigation ===== */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 14px;
                font-size: 0.90rem;
            }
            .main-nav a.nav-cta {
                padding: 8px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px 28px;
                box-shadow: 0 20px 40px rgba(26, 42, 108, 0.10);
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                gap: 4px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 1.0rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(26, 42, 108, 0.06);
            }
            .main-nav a.nav-cta {
                margin-top: 8px;
                justify-content: center;
            }
            .page-hero {
                padding: 120px 0 50px;
            }
            .page-hero h1 {
                font-size: 2.0rem;
            }
            .page-hero p {
                font-size: 1.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .number {
                font-size: 2.0rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 0;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.0rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .card {
                padding: 20px 18px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
            }
            .cta-box .button {
                padding: 12px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Focus accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Foundation override: remove default button styles ===== */
        .button {
            transition: var(--transition);
        }

/* roulang page: category3 */
:root {
            --primary: #1a3a8a;
            --primary-dark: #0f2557;
            --primary-light: #2a5ac8;
            --accent: #f5a623;
            --accent-dark: #d4891a;
            --bg-body: #f4f6fb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text-primary: #1a2a4a;
            --text-secondary: #4a5a7a;
            --text-light: #8a9abb;
            --text-white: #ffffff;
            --border-light: #e8ecf5;
            --border-card: #eef2f9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 58, 138, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 58, 138, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 58, 138, 0.14);
            --shadow-hover: 0 12px 36px rgba(26, 58, 138, 0.18);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 3.5rem;
            --space-xl: 5rem;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section-padding {
            padding: var(--space-xl) 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 2.5rem auto;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }

        .badge {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            background: rgba(26, 58, 138, 0.08);
            color: var(--primary);
            letter-spacing: 0.02em;
            transition: var(--transition);
        }
        .badge-accent {
            background: rgba(245, 166, 35, 0.15);
            color: var(--accent-dark);
        }
        .badge-green {
            background: rgba(72, 187, 120, 0.15);
            color: #2f855a;
        }
        .badge-red {
            background: rgba(245, 101, 101, 0.15);
            color: #c53030;
        }
        .badge-blue {
            background: rgba(66, 153, 225, 0.15);
            color: #2b6cb0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            padding: 0.75rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(26, 58, 138, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 58, 138, 0.35);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-primary);
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.30);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: var(--text-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.40);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }
        .btn-lg {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
        }

        /* Header & Navigation */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space-sm);
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .site-logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.25rem;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 58, 138, 0.06);
        }
        .main-nav a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(26, 58, 138, 0.20);
        }
        .main-nav a.active:hover {
            background: var(--primary-dark);
        }
        .main-nav .nav-cta {
            background: var(--accent);
            color: var(--text-primary);
            font-weight: 600;
            padding: 0.5rem 1.25rem;
            margin-left: 0.5rem;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.25);
        }
        .main-nav .nav-cta:hover {
            background: var(--accent-dark);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .main-nav .nav-cta i {
            font-size: 0.85rem;
        }

        /* Hero */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 4rem 0 3.5rem 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 0.75rem;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .category-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
        }
        .category-hero .hero-meta i {
            color: var(--accent);
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(26, 58, 138, 0.12);
        }
        .card-item .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #e8ecf5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--text-light);
        }
        .card-item .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-item .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .card-item .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            transition: var(--transition);
        }
        .card-item:hover .card-title {
            color: var(--primary-light);
        }
        .card-item .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .card-item .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .card-item .card-footer .date {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .card-item .card-footer .read-more {
            color: var(--primary-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .card-item .card-footer .read-more:hover {
            color: var(--primary);
            gap: 0.6rem;
        }

        /* Filter / Tabs */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: 2.5rem;
        }
        .filter-bar .filter-btn {
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(26, 58, 138, 0.04);
        }
        .filter-bar .filter-btn.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(26, 58, 138, 0.20);
        }

        /* Featured Article */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-card .featured-img {
            min-height: 320px;
            background: #dce3f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--text-light);
        }
        .featured-card .featured-body {
            padding: 2rem 2rem 2rem 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card .featured-body .badge {
            margin-bottom: 0.75rem;
        }
        .featured-card .featured-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .featured-card .featured-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        /* Calendar / List */
        .schedule-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .schedule-list li {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            margin-bottom: 0.75rem;
            transition: var(--transition);
        }
        .schedule-list li:hover {
            border-color: rgba(26, 58, 138, 0.15);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .schedule-list .date-badge {
            min-width: 56px;
            text-align: center;
            padding: 0.5rem 0.75rem;
            background: rgba(26, 58, 138, 0.06);
            border-radius: var(--radius-sm);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .schedule-list .date-badge .day {
            font-size: 1.3rem;
            display: block;
        }
        .schedule-list .date-badge .month {
            font-size: 0.75rem;
            font-weight: 500;
            text-transform: uppercase;
        }
        .schedule-list .schedule-info {
            flex: 1;
        }
        .schedule-list .schedule-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
        }
        .schedule-list .schedule-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .schedule-list .schedule-status {
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            white-space: nowrap;
        }

        /* Stats / Numbers */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.25rem;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 0.75rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(26, 58, 138, 0.12);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .faq-item[open] summary::before {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-content {
            padding: 0 1.5rem 1.25rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
            margin-top: 0;
            padding-top: 1rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 1.75rem auto;
        }
        .cta-section .btn-accent {
            font-size: 1.1rem;
            padding: 1rem 2.5rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 1.5rem 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .site-footer .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .site-footer .footer-brand .site-logo i {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.25rem 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .featured-body {
                padding: 0 1.5rem 1.5rem 1.5rem;
            }
            .featured-card .featured-img {
                min-height: 220px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                background: var(--bg-white);
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                padding: 1rem;
                box-shadow: var(--shadow-md);
                border-bottom: 2px solid var(--border-light);
                gap: 0.25rem;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.75rem 1rem;
                width: 100%;
                text-align: left;
                border-radius: var(--radius-sm);
            }
            .main-nav .nav-cta {
                margin-left: 0;
                margin-top: 0.25rem;
                justify-content: center;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .category-hero {
                padding: 3rem 0 2.5rem 0;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: var(--space-lg) 0;
            }
            .filter-bar {
                gap: 0.4rem;
            }
            .filter-bar .filter-btn {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .schedule-list li {
                flex-wrap: wrap;
                gap: 0.75rem;
                padding: 1rem;
            }
            .schedule-list .date-badge {
                min-width: 48px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .featured-card .featured-body h2 {
                font-size: 1.4rem;
            }
            .faq-item summary {
                font-size: 0.95rem;
                padding: 1rem 1.25rem;
            }
            .faq-item .faq-content {
                padding: 0 1.25rem 1rem 1.25rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
                padding: 0 0.75rem;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .card-item .card-body {
                padding: 1.25rem;
            }
            .card-item .card-title {
                font-size: 1.05rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.5rem;
            }
            .btn {
                font-size: 0.9rem;
                padding: 0.6rem 1.5rem;
            }
            .btn-lg {
                padding: 0.8rem 2rem;
                font-size: 1rem;
            }
            .schedule-list .schedule-status {
                font-size: 0.75rem;
                padding: 0.2rem 0.75rem;
            }
            .featured-card .featured-body {
                padding: 0 1rem 1rem 1rem;
            }
            .featured-card .featured-body h2 {
                font-size: 1.2rem;
            }
        }