/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a2e5c;
  --primary-light: #1a4a7a;
  --primary-dark: #061d3a;
  --secondary: #c9a84c;
  --secondary-light: #dfc06a;
  --accent: #e67e22;
  --bg-body: #f5f7fa;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-section-alt: #eef2f7;
  --text-dark: #1a2332;
  --text-body: #2d3748;
  --text-muted: #6b7a8f;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f4f8;
  --shadow-sm: 0 2px 8px rgba(10,46,92,0.06);
  --shadow-md: 0 6px 24px rgba(10,46,92,0.10);
  --shadow-lg: 0 12px 40px rgba(10,46,92,0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --sidebar-width: 260px;
  --header-height: 0px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础 Reset ===== */
*, *::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-body); line-height: 1.7; font-size: 1rem; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; color: var(--text-body); }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; margin: 0 auto; }
section { position: relative; }

/* ===== App Shell 布局 ===== */
.app-shell { display: flex; min-height: 100vh; }

/* ===== 左侧导航 Sidebar ===== */
.sidebar { width: var(--sidebar-width); background: var(--bg-white); border-right: 1px solid var(--border); position: fixed; top: 0; left: 0; bottom: 0; z-index: 1040; display: flex; flex-direction: column; transition: var(--transition); overflow-y: auto; }
.sidebar-brand { padding: 28px 24px 20px; border-bottom: 1px solid var(--border-light); }
.sidebar-brand .logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.3px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand .logo i { font-size: 1.6rem; color: var(--secondary); }
.sidebar-brand .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.sidebar-nav { flex: 1; padding: 16px 12px; }
.sidebar-nav .nav-item { margin-bottom: 4px; }
.sidebar-nav .nav-link { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--radius-sm); color: var(--text-body); font-weight: 500; font-size: 0.95rem; transition: var(--transition); }
.sidebar-nav .nav-link i { width: 22px; text-align: center; font-size: 1.1rem; color: var(--text-muted); transition: var(--transition); }
.sidebar-nav .nav-link:hover { background: var(--bg-body); color: var(--primary); }
.sidebar-nav .nav-link:hover i { color: var(--primary); }
.sidebar-nav .nav-link.active { background: rgba(10,46,92,0.08); color: var(--primary); font-weight: 600; }
.sidebar-nav .nav-link.active i { color: var(--primary); }
.sidebar-nav .nav-label { padding: 16px 16px 8px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.2px; color: var(--text-light); font-weight: 600; }
.sidebar-footer { padding: 20px 24px; border-top: 1px solid var(--border-light); font-size: 0.8rem; color: var(--text-muted); text-align: center; }

/* ===== 主内容区 ===== */
.main-content { margin-left: var(--sidebar-width); flex: 1; min-width: 0; }

/* ===== 移动端顶栏 ===== */
.mobile-topbar { display: none; background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 12px 20px; position: sticky; top: 0; z-index: 1030; align-items: center; justify-content: space-between; }
.mobile-topbar .logo { font-size: 1.2rem; font-weight: 800; color: var(--primary); }
.mobile-topbar .logo i { color: var(--secondary); margin-right: 8px; }
.mobile-topbar .btn-menu { background: none; border: none; font-size: 1.5rem; color: var(--text-dark); padding: 4px 8px; cursor: pointer; }

/* ===== Hero 首屏 ===== */
.hero { position: relative; padding: 80px 0 90px; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%); overflow: hidden; min-height: 520px; display: flex; align-items: center; }
.hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.20; mix-blend-mode: overlay; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80px; background: linear-gradient(to top, var(--bg-body), transparent); }
.hero .container { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); backdrop-filter: blur(6px); padding: 8px 20px; border-radius: 50px; color: #fff; font-size: 0.85rem; font-weight: 500; margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.15); }
.hero-badge i { color: var(--secondary); }
.hero h1 { font-size: 3.2rem; font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero h1 .highlight { color: var(--secondary); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 600px; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero-actions .btn { padding: 14px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; transition: var(--transition); }
.hero-actions .btn-primary { background: var(--secondary); color: var(--primary-dark); }
.hero-actions .btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.35); }
.hero-actions .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.6); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stats .stat-item { text-align: center; }
.hero-stats .stat-number { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-stats .stat-number .num { color: var(--secondary); }
.hero-stats .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-top: 4px; }

/* ===== 板块通用 ===== */
.section-padding { padding: 80px 0; }
.section-alt { background: var(--bg-section-alt); }
.section-white { background: var(--bg-white); }
.section-title { text-align: center; margin-bottom: 52px; }
.section-title h2 { font-size: 2.2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; letter-spacing: -0.3px; }
.section-title h2 i { color: var(--secondary); margin-right: 8px; }
.section-title p { color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.section-title .title-line { width: 60px; height: 4px; background: linear-gradient(90deg, var(--secondary), var(--secondary-light)); border-radius: 4px; margin: 16px auto 0; }

/* ===== 优势卡片 ===== */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.advantage-card { background: var(--bg-white); border-radius: var(--radius-md); padding: 36px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); text-align: center; }
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.advantage-card .icon-box { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, rgba(10,46,92,0.08), rgba(10,46,92,0.03)); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: var(--primary); transition: var(--transition); }
.advantage-card:hover .icon-box { background: var(--primary); color: #fff; }
.advantage-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.advantage-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; }

/* ===== 分类入口 ===== */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-white); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card .card-img { height: 200px; overflow: hidden; }
.category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.category-card:hover .card-img img { transform: scale(1.05); }
.category-card .card-body { padding: 24px 28px 28px; }
.category-card .card-body h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.category-card .card-body h3 a { color: var(--text-dark); }
.category-card .card-body h3 a:hover { color: var(--primary); }
.category-card .card-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 16px; }
.category-card .card-body .btn-tag { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; border-radius: 50px; background: rgba(10,46,92,0.06); color: var(--primary); font-size: 0.85rem; font-weight: 600; border: none; transition: var(--transition); }
.category-card .card-body .btn-tag:hover { background: var(--primary); color: #fff; transform: translateX(4px); }

/* ===== 最新资讯 (CMS) ===== */
.news-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
.news-item { display: flex; align-items: flex-start; gap: 20px; background: var(--bg-white); border-radius: var(--radius-sm); padding: 20px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); }
.news-item:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateX(4px); }
.news-item .news-meta { flex-shrink: 0; min-width: 100px; }
.news-item .news-meta .date { font-size: 0.85rem; color: var(--text-muted); display: block; }
.news-item .news-meta .tag { display: inline-block; padding: 2px 12px; border-radius: 50px; background: rgba(10,46,92,0.07); color: var(--primary); font-size: 0.75rem; font-weight: 600; margin-top: 4px; }
.news-item .news-content { flex: 1; min-width: 0; }
.news-item .news-content h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.news-item .news-content h4 a { color: var(--text-dark); }
.news-item .news-content h4 a:hover { color: var(--primary); }
.news-item .news-content p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); background: var(--bg-white); border-radius: var(--radius-sm); border: 1px dashed var(--border); font-size: 1rem; }

/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { background: var(--bg-white); border-radius: var(--radius-md); padding: 32px 24px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card .stat-icon { font-size: 2.2rem; color: var(--secondary); margin-bottom: 12px; }
.stat-card .stat-number { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-card .stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 6px; }

/* ===== 服务流程 ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step { text-align: center; position: relative; }
.process-step .step-number { width: 56px; height: 56px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 1.3rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; position: relative; z-index: 2; box-shadow: 0 4px 16px rgba(10,46,92,0.25); }
.process-step .step-number .inner { background: var(--secondary); width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.process-step h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.process-step p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; max-width: 200px; margin-left: auto; margin-right: auto; }
.process-connector { display: none; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-sm); margin-bottom: 12px; border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--border); }
.faq-item .faq-question { padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--text-dark); font-size: 1rem; background: none; border: none; width: 100%; text-align: left; transition: var(--transition); }
.faq-item .faq-question:hover { color: var(--primary); }
.faq-item .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 1.1rem; }
.faq-item .faq-answer { padding: 0 24px 18px; color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question i { transform: rotate(180deg); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 72px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.10; mix-blend-mode: overlay; }
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
.cta-section .btn { padding: 16px 44px; border-radius: 50px; font-weight: 700; font-size: 1.05rem; border: none; transition: var(--transition); }
.cta-section .btn-primary { background: var(--secondary); color: var(--primary-dark); }
.cta-section .btn-primary:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 10px 40px rgba(201,168,76,0.35); }
.cta-section .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.25); margin-left: 12px; }
.cta-section .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

/* ===== 页脚 ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.75); padding: 56px 0 32px; }
.site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.site-footer .footer-brand .logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.site-footer .footer-brand .logo i { color: var(--secondary); }
.site-footer .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 300px; }
.site-footer h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
.site-footer ul li a:hover { color: var(--secondary); padding-left: 4px; }
.site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; margin-top: 40px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
.site-footer .footer-bottom a:hover { color: var(--secondary); }

/* ===== Offcanvas 移动端导航 ===== */
.offcanvas.offcanvas-start { width: var(--sidebar-width) !important; }
.offcanvas .offcanvas-header { border-bottom: 1px solid var(--border-light); padding: 20px 24px; }
.offcanvas .offcanvas-body { padding: 16px 12px; }
.offcanvas .offcanvas-body .nav-link { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--radius-sm); color: var(--text-body); font-weight: 500; font-size: 0.95rem; transition: var(--transition); }
.offcanvas .offcanvas-body .nav-link i { width: 22px; text-align: center; color: var(--text-muted); }
.offcanvas .offcanvas-body .nav-link:hover { background: var(--bg-body); color: var(--primary); }
.offcanvas .offcanvas-body .nav-link.active { background: rgba(10,46,92,0.08); color: var(--primary); font-weight: 600; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.6rem; }
  .advantage-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .mobile-topbar { display: flex; }
  .main-content { margin-left: 0; }
  .hero { padding: 60px 0 70px; min-height: 400px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; justify-content: center; }
  .hero-stats .stat-item { flex: 1; min-width: 80px; }
  .hero-stats .stat-number { font-size: 1.5rem; }
  .section-padding { padding: 56px 0; }
  .section-title h2 { font-size: 1.7rem; }
  .advantage-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .category-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .news-item { flex-direction: column; gap: 8px; padding: 16px 20px; }
  .news-item .news-meta { min-width: auto; display: flex; align-items: center; gap: 12px; }
  .cta-section h2 { font-size: 1.7rem; }
  .cta-section .btn-outline { margin-left: 0; margin-top: 12px; }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-footer .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.92rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-stats { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .hero-stats .stat-item { flex: 1; min-width: 70px; }
  .hero-stats .stat-number { font-size: 1.3rem; }
  .section-title h2 { font-size: 1.4rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-card .stat-number { font-size: 1.8rem; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .cta-section h2 { font-size: 1.4rem; }
  .cta-section .btn { width: 100%; }
}

/* ===== 辅助工具 ===== */
.text-secondary { color: var(--secondary) !important; }
.bg-primary-soft { background: rgba(10,46,92,0.04); }
.rounded-xl { border-radius: var(--radius-xl); }
.shadow-hover { transition: var(--transition); }
.shadow-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

/* roulang page: category1 */
:root {
            --primary: #1a3a6b;
            --primary-light: #2a5a9b;
            --primary-dark: #0f2447;
            --accent: #e8b830;
            --accent-light: #f5d060;
            --accent-dark: #c9a020;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-sidebar: #0f2447;
            --bg-sidebar-hover: #1a3a6b;
            --text-primary: #1a2a4a;
            --text-secondary: #4a5a7a;
            --text-light: #8a9ab0;
            --text-white: #ffffff;
            --border-color: #e2e6ef;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 240px;
            --header-height: 0px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            padding-left: var(--sidebar-width);
            margin: 0;
            min-height: 100vh;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }

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

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

        /* ===== Sidebar Navigation ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            color: var(--text-white);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow-y: auto;
            transition: transform 0.35s ease;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        }

        .sidebar-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-brand .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-dark);
            flex-shrink: 0;
        }

        .sidebar-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            line-height: 1.3;
        }

        .sidebar-brand .logo-sub {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: block;
            margin-top: 1px;
        }

        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
        }

        .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: rgba(255, 255, 255, 0.3);
            padding: 8px 12px 8px;
            font-weight: 600;
        }

        .nav-item {
            margin-bottom: 2px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            text-decoration: none;
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }

        .nav-link:hover {
            background: var(--bg-sidebar-hover);
            color: #fff;
            text-decoration: none;
        }
        .nav-link:hover i {
            color: var(--accent);
        }

        .nav-link.active {
            background: rgba(232, 184, 48, 0.15);
            color: var(--accent);
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }

        .nav-link.active i {
            color: var(--accent);
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
        }

        /* ===== Mobile Toggle ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1060;
            background: var(--primary-dark);
            color: #fff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

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

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1045;
            backdrop-filter: blur(2px);
        }

        /* ===== Main Content ===== */
        .main-content {
            min-height: 100vh;
            padding: 0 0 40px;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-body), transparent);
        }

        .hero-banner .container {
            position: relative;
            z-index: 2;
        }

        .hero-banner .breadcrumb-custom {
            display: flex;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-banner .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .hero-banner .breadcrumb-custom span {
            color: var(--accent);
        }

        .hero-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .hero-banner .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.7;
        }

        .hero-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== Section Base ===== */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header .badge-bar {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== Cards ===== */
        .card-event {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-event:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .card-event .card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .card-event .card-img .badge-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
        }

        .card-event .card-img .badge-date {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(15, 36, 71, 0.85);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 8px;
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-event .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-event .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .card-event .card-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .card-event .card-body .meta i {
            width: 16px;
            color: var(--accent-dark);
        }

        .card-event .card-body .desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }

        .card-event .card-body .btn-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ===== Filter Tabs ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .filter-tabs .btn-filter {
            padding: 8px 24px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-tabs .btn-filter:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(232, 184, 48, 0.05);
        }

        .filter-tabs .btn-filter.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(232, 184, 48, 0.3);
        }

        /* ===== Process / Steps ===== */
        .step-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
        }

        .step-card .step-num::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px dashed var(--accent);
            opacity: 0.4;
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--accent);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-white);
            transition: var(--transition);
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(232, 184, 48, 0.04);
        }

        .faq-question i {
            transition: var(--transition);
            color: var(--accent-dark);
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 32px;
        }

        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 18px;
            padding: 16px 48px;
            border-radius: 50px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 8px 30px rgba(232, 184, 48, 0.35);
        }

        .btn-cta:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 184, 48, 0.45);
            text-decoration: none;
        }

        .btn-outline-cta {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline-cta:hover {
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }

        .btn-primary-custom {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 8px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            font-size: 15px;
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            text-decoration: none;
        }

        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 9px 26px;
            border-radius: 8px;
            border: 2px solid var(--primary);
            transition: var(--transition);
            font-size: 15px;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .site-footer h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .site-footer ul a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-left: 0;
            }

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

            .sidebar.open {
                transform: translateX(0);
            }

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

            .sidebar-overlay.show {
                display: block;
            }

            .hero-banner {
                padding: 60px 0 50px;
                min-height: 260px;
            }

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

            .hero-banner .hero-sub {
                font-size: 16px;
            }

            .hero-stats-row {
                gap: 20px;
            }

            .hero-stat .num {
                font-size: 28px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .filter-tabs {
                gap: 8px;
            }

            .filter-tabs .btn-filter {
                padding: 6px 18px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-section h2 {
                font-size: 26px;
            }

            .btn-cta {
                padding: 14px 32px;
                font-size: 16px;
            }

            .card-event .card-img {
                height: 170px;
            }
        }

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

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

            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }

            .hero-stat {
                display: flex;
                align-items: center;
                gap: 12px;
            }

            .hero-stat .num {
                font-size: 24px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .card-event .card-body {
                padding: 18px;
            }

            .card-event .card-body h3 {
                font-size: 18px;
            }
        }

        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent {
            background: var(--accent);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .me-2 {
            margin-right: 8px;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .text-center {
            text-align: center;
        }
        .w-100 {
            width: 100%;
        }

        /* Scrollbar sidebar */
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

/* roulang page: article */
:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --primary-dark: #0f2340;
  --secondary: #e8a838;
  --secondary-light: #f0c060;
  --accent: #d4542a;
  --bg-body: #f5f7fa;
  --bg-card: #ffffff;
  --bg-alt: #eef2f7;
  --text-primary: #1a2a3a;
  --text-secondary: #4a5a6a;
  --text-muted: #7a8a9a;
  --border: #dce2ea;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(26,58,92,0.08);
  --shadow-hover: 0 12px 40px rgba(26,58,92,0.15);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --sidebar-width: 240px;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-body);color:var(--text-primary);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--secondary);text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary);margin-bottom:0.5rem}
p{margin-bottom:0;color:var(--text-secondary)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 28px;font-size:15px;font-weight:600;border-radius:var(--radius-sm);border:none;transition:var(--transition);cursor:pointer;text-decoration:none;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,58,92,0.25);color:#fff}
.btn-secondary{background:var(--secondary);color:var(--text-primary)}
.btn-secondary:hover{background:var(--secondary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,168,56,0.3);color:var(--text-primary)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 40px;font-size:17px;border-radius:var(--radius)}
.badge{display:inline-block;padding:4px 14px;font-size:13px;font-weight:500;border-radius:20px;background:var(--secondary);color:var(--text-primary)}
.badge-primary{background:var(--primary);color:#fff}
.badge-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}
.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition);overflow:hidden}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-body{padding:24px}
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:32px;font-weight:800;color:var(--text-primary);margin-bottom:12px;letter-spacing:-0.5px}
.section-subtitle{font-size:17px;color:var(--text-muted);max-width:640px;margin-bottom:40px}
.text-center .section-subtitle{margin-left:auto;margin-right:auto}
.divider{width:60px;height:4px;background:var(--secondary);border-radius:4px;margin:16px 0 24px}
.text-center .divider{margin-left:auto;margin-right:auto}

/* ===== 左侧导航 ===== */
.app-layout{display:flex;min-height:100vh}
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--primary-dark);color:#fff;z-index:1000;display:flex;flex-direction:column;overflow-y:auto;box-shadow:2px 0 20px rgba(0,0,0,0.15)}
.sidebar-brand{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,0.08)}
.sidebar-brand .logo{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;letter-spacing:-0.5px}
.sidebar-brand .logo i{color:var(--secondary);font-size:26px}
.sidebar-brand .logo-sub{font-size:12px;color:rgba(255,255,255,0.5);margin-top:4px;padding-left:36px}
.sidebar-nav{padding:16px 12px;flex:1}
.sidebar-nav .nav-label{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:rgba(255,255,255,0.35);padding:8px 12px 12px}
.sidebar-nav .nav-item{margin-bottom:2px}
.sidebar-nav .nav-link{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-sm);color:rgba(255,255,255,0.7);font-size:15px;font-weight:500;transition:var(--transition);text-decoration:none}
.sidebar-nav .nav-link i{width:20px;font-size:16px;text-align:center}
.sidebar-nav .nav-link:hover{background:rgba(255,255,255,0.08);color:#fff;text-decoration:none}
.sidebar-nav .nav-link.active{background:rgba(232,168,56,0.18);color:var(--secondary);font-weight:600}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.08);font-size:12px;color:rgba(255,255,255,0.35);text-align:center}
.sidebar-footer a{color:rgba(255,255,255,0.5)}
.sidebar-footer a:hover{color:var(--secondary)}
/* 主内容区 */
.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}
/* 移动端顶部栏 */
.mobile-topbar{display:none;position:fixed;top:0;left:0;right:0;height:60px;background:var(--primary-dark);z-index:999;padding:0 16px;align-items:center;justify-content:space-between}
.mobile-topbar .logo{font-size:18px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.mobile-topbar .logo i{color:var(--secondary);font-size:20px}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:24px;padding:8px;cursor:pointer}
.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:998}

/* ===== 文章详情页 ===== */
.article-banner{position:relative;padding:60px 0 40px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,var(--primary-light) 100%);overflow:hidden}
.article-banner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.12;mix-blend-mode:overlay}
.article-banner .container{position:relative;z-index:2}
.article-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:20px}
.article-breadcrumb a{color:rgba(255,255,255,0.7)}
.article-breadcrumb a:hover{color:var(--secondary)}
.article-breadcrumb .sep{color:rgba(255,255,255,0.3)}
.article-category-badge{display:inline-block;padding:4px 16px;background:var(--secondary);color:var(--text-primary);font-size:13px;font-weight:600;border-radius:20px;margin-bottom:16px}
.article-title{font-size:36px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:16px;letter-spacing:-0.5px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:14px;color:rgba(255,255,255,0.65)}
.article-meta i{margin-right:6px}
.article-meta .meta-item{display:flex;align-items:center}
.article-body{padding:48px 0 64px}
.article-content{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:48px;box-shadow:var(--shadow)}
.article-content h2{font-size:26px;font-weight:700;color:var(--text-primary);margin-top:36px;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--border)}
.article-content h3{font-size:20px;font-weight:600;color:var(--text-primary);margin-top:28px;margin-bottom:12px}
.article-content p{font-size:16px;line-height:1.9;color:var(--text-secondary);margin-bottom:16px}
.article-content ul,.article-content ol{padding-left:24px;margin-bottom:20px}
.article-content li{font-size:16px;line-height:1.8;color:var(--text-secondary);margin-bottom:6px;list-style:disc}
.article-content ol li{list-style:decimal}
.article-content img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow)}
.article-content blockquote{border-left:4px solid var(--secondary);padding:16px 24px;margin:24px 0;background:var(--bg-alt);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--text-secondary)}
.article-content .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.article-content .tag-list .tag{padding:4px 14px;background:var(--bg-alt);border-radius:16px;font-size:13px;color:var(--text-muted);border:1px solid var(--border)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:32px;border-top:1px solid var(--border)}
.article-nav a{flex:1;padding:16px 24px;border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition);display:flex;flex-direction:column;gap:4px}
.article-nav a:hover{background:var(--bg-alt);border-color:var(--primary-light);text-decoration:none}
.article-nav .nav-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.article-nav .nav-title{font-size:15px;font-weight:600;color:var(--text-primary)}
.article-nav .nav-next{text-align:right}
.not-found-wrap{text-align:center;padding:80px 20px}
.not-found-wrap .icon{font-size:72px;color:var(--text-muted);margin-bottom:24px}
.not-found-wrap h2{font-size:28px;margin-bottom:12px}
.not-found-wrap p{color:var(--text-muted);margin-bottom:24px}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,0.8);padding:56px 0 0}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:40px}
.site-footer .footer-brand .logo{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.site-footer .footer-brand .logo i{color:var(--secondary)}
.site-footer .footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.55)}
.site-footer h5{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:0.3px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{color:rgba(255,255,255,0.55);font-size:14px;transition:var(--transition)}
.site-footer ul li a:hover{color:var(--secondary);padding-left:4px}
.site-footer ul li i{width:20px;color:var(--secondary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-bottom a:hover{color:var(--secondary)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .article-title{font-size:30px}
  .article-content{padding:32px}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .sidebar{display:none}
  .mobile-topbar{display:flex}
  .main-content{margin-left:0;padding-top:60px}
  .mobile-overlay.active{display:block}
  .sidebar.active{display:flex;width:280px;z-index:1001}
  .sidebar.active ~ .mobile-overlay{display:block}
  .article-banner{padding:32px 0 28px}
  .article-title{font-size:24px}
  .article-meta{flex-direction:column;gap:8px}
  .article-content{padding:20px}
  .article-content h2{font-size:20px}
  .article-content p{font-size:15px}
  .article-nav{flex-direction:column}
  .article-nav .nav-next{text-align:left}
  .section{padding:48px 0}
  .section-title{font-size:26px}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .container{padding:0 16px}
}
@media(max-width:520px){
  .article-title{font-size:20px}
  .article-breadcrumb{font-size:12px}
  .article-content{padding:16px}
  .article-content h2{font-size:18px}
  .article-content h3{font-size:16px}
  .btn{padding:8px 20px;font-size:14px}
  .section-title{font-size:22px}
}

/* roulang page: category2 */
:root {
            --primary: #1a3c6e;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2a4a;
            --accent: #e8a838;
            --accent-light: #f5c96a;
            --accent-dark: #c98a1e;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888aa;
            --border-color: #e8eaf0;
            --shadow-sm: 0 2px 12px rgba(26, 60, 110, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 60, 110, 0.10);
            --shadow-lg: 0 20px 50px rgba(26, 60, 110, 0.14);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --sidebar-width: 240px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg-light);
            color: var(--text-primary);
            line-height: 1.6;
            display: flex;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Sidebar */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary-dark);
            color: #fff;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 0 20px;
            box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
            transition: transform var(--transition);
        }
        .sidebar .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 24px 32px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar .logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .sidebar .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: rgba(255, 255, 255, 0.35);
            padding: 24px 24px 12px;
            font-weight: 600;
        }
        .sidebar-nav {
            flex: 1;
            padding: 0 12px;
        }
        .sidebar-nav .nav-item {
            margin-bottom: 2px;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .sidebar-nav .nav-link i {
            width: 22px;
            text-align: center;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .sidebar-nav .nav-link:hover i {
            color: var(--accent);
        }
        .sidebar-nav .nav-link.active {
            background: rgba(232, 168, 56, 0.18);
            color: var(--accent);
            font-weight: 600;
        }
        .sidebar-nav .nav-link.active i {
            color: var(--accent);
        }
        .sidebar-footer {
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
        }
        /* Main content */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* Mobile header */
        .mobile-header {
            display: none;
            background: var(--primary-dark);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .mobile-header .logo i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .mobile-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        /* Hero / Banner */
        .page-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 168, 56, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 20px;
        }
        .page-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .page-banner .breadcrumb-custom span {
            color: rgba(255, 255, 255, 0.85);
        }
        /* Section */
        .section {
            padding: 72px 0;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px 0 28px;
        }
        /* Cards */
        .card-custom {
            background: var(--bg-card);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-custom .card-img-top {
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .card-custom .card-text {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .card-custom .badge-custom {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }
        /* Feature grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            border: 1px solid var(--border-color);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .pricing-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .pricing-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .pricing-card.featured .badge-featured {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 24px;
            border-radius: 30px;
            letter-spacing: 0.5px;
        }
        .pricing-card .price {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            margin: 16px 0 8px;
        }
        .pricing-card .price small {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .pricing-card .plan-name {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .pricing-card .plan-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            text-align: left;
        }
        .pricing-card ul li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .pricing-card ul li:last-child {
            border-bottom: none;
        }
        .pricing-card ul li i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .step-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            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: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .faq-question:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 80%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
        }
        .btn-cta {
            display: inline-block;
            padding: 14px 40px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }
        .btn-cta:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(232, 168, 56, 0.3);
        }
        .btn-cta:focus {
            outline: 2px solid #fff;
            outline-offset: 4px;
        }
        .btn-outline-cta {
            display: inline-block;
            padding: 12px 32px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            cursor: pointer;
            margin-left: 12px;
        }
        .btn-outline-cta:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(232, 168, 56, 0.08);
        }
        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .footer-brand .logo i {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 0.88rem;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Buttons */
        .btn-primary-custom {
            display: inline-block;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 60, 110, 0.25);
        }
        .btn-primary-custom:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline-custom {
            display: inline-block;
            padding: 10px 28px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 50px;
            border: 2px solid var(--primary);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        /* Tags */
        .tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--text-secondary);
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            margin: 0 6px 8px 0;
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(232, 168, 56, 0.06);
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .stat-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .page-banner {
                padding: 48px 0 40px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .number {
                font-size: 1.6rem;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .mobile-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 1045;
            }
            .mobile-overlay.show {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card {
                padding: 28px 18px;
            }
            .pricing-card .price {
                font-size: 2.2rem;
            }
            .container {
                padding: 0 16px;
            }
            .cta-section {
                padding: 32px 16px;
                border-radius: var(--radius-md);
            }
            .btn-outline-cta {
                margin-left: 0;
                margin-top: 12px;
                display: block;
                width: 100%;
                text-align: center;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
            }
        }
        /* Utility */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent-light {
            background: rgba(232, 168, 56, 0.06);
        }
        .gap-4 {
            gap: 20px;
        }
        .me-2 {
            margin-right: 8px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .text-center {
            text-align: center;
        }
        .fw-700 {
            font-weight: 700;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .justify-center {
            justify-content: center;
        }