/* roulang page: index */
:root { --primary: #2563EB; --primary-dark: #1E4FCF; --gold: #F59E0B; --bg: #F6F8FB; --card: #FFFFFF; --gray-section: #EEF2F7; --text-main: #1E293B; --text-sub: #64748B; --text-muted: #94A3B8; --border: #E2E8F0; --radius-card: 16px; --radius-btn: 999px; --shadow-sm: 0 1px 3px rgba(15,23,42,.06); --shadow-lg: 0 12px 24px rgba(15,23,42,.1); }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { font-family: -apple-system, 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text-main); line-height: 1.6; }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  button { font-family: inherit; cursor: pointer; }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  @media (max-width:768px){ .container{ padding: 0 16px; } }
  .section { padding: 80px 0; }
  @media (max-width:768px){ .section{ padding: 48px 0; } }
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; font-weight: 600; transition: all .2s ease; border: none; text-decoration: none; }
  .btn-lg { height: 44px; padding: 0 28px; font-size: 15px; }
  .btn-gold { background: #F59E0B; color: #fff; }
  .btn-gold:hover { background: #D97706; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,158,11,.3); }
  .btn-gold:active { transform: scale(.98); }
  .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.8); }
  .btn-outline:hover { background: #fff; color: #1D4ED8; border-color: #fff; }
  .btn-primary { background: #2563EB; color: #fff; }
  .btn-primary:hover { background: #1E4FCF; }
  .badge { display: inline-flex; align-items: center; gap: 4px; border-radius: 999px; padding: 2px 12px; font-size: 12px; font-weight: 500; line-height: 22px; }
  .badge-brand { background: rgba(37,99,235,.1); color: #2563EB; }
  .badge-gray { background: #F1F5F9; color: #64748B; }
  /* Header */
  .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(226,232,240,.6); box-shadow: 0 1px 3px rgba(15,23,42,.04); transition: box-shadow .3s ease; }
  .nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
  .logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: #1E293B; letter-spacing: -0.01em; }
  .logo-icon { width: 34px; height: 34px; background: #2563EB; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
  @media (max-width: 768px) { .logo { font-size: 16px; } }
  .nav-links { display: flex; align-items: center; gap: 26px; }
  .nav-links a { font-size: 14px; font-weight: 500; color: #64748B; position: relative; padding: 6px 0; transition: color .2s ease; }
  .nav-links a:hover { color: #2563EB; }
  .nav-links a.active { color: #2563EB; font-weight: 600; }
  .nav-links a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: #2563EB; border-radius: 2px; }
  .nav-actions { display: flex; align-items: center; gap: 14px; }
  .search-box { position: relative; display: flex; align-items: center; }
  .search-box input { height: 36px; width: 160px; border: 1px solid #E2E8F0; border-radius: 999px; padding: 0 36px 0 36px; font-size: 13px; background: #F8FAFC; transition: all .25s ease; outline: none; }
  .search-box input:focus { width: 220px; border-color: #2563EB; box-shadow: 0 0 0 3px rgba(37,99,235,.1); background: #fff; }
  .search-box svg { position: absolute; left: 12px; color: #94A3B8; pointer-events: none; }
  .btn-login { display: inline-flex; align-items: center; justify-content: center; height: 36px; padding: 0 18px; border: 1.5px solid #2563EB; color: #2563EB; border-radius: 999px; font-size: 13px; font-weight: 600; background: transparent; transition: all .2s ease; }
  .btn-login:hover { background: rgba(37,99,235,.08); }
  .btn-explore { display: inline-flex; align-items: center; justify-content: center; height: 36px; padding: 0 20px; background: #F59E0B; color: #fff; border-radius: 999px; font-size: 13px; font-weight: 600; transition: all .2s ease; border: none; }
  .btn-explore:hover { background: #D97706; box-shadow: 0 2px 8px rgba(245,158,11,.35); }
  .mobile-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; color: #1E293B; }
  @media (max-width: 1024px) { .nav-links, .search-box { display: none; } .mobile-toggle { display: block; } .nav-actions { gap: 8px; } .btn-login { display: none; } }
  .mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 200; padding: 24px; flex-direction: column; }
  .mobile-menu.open { display: flex; }
  .mobile-menu-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
  .mobile-menu-links { display: flex; flex-direction: column; gap: 24px; }
  .mobile-menu-links a { font-size: 18px; font-weight: 600; color: #1E293B; }
  .mobile-menu-links a.active { color: #2563EB; }
  .mobile-menu-actions { margin-top: auto; display: flex; gap: 12px; flex-direction: column; }
  /* Hero */
  .hero { position: relative; min-height: 100vh; min-height: 600px; display: flex; align-items: center; background: linear-gradient(135deg, #0B1120 0%, #18335B 50%, #1B3A6B 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; overflow: hidden; }
  .hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(90deg, rgba(11,17,32,.88) 0%, rgba(11,17,32,.6) 60%, rgba(11,17,32,.35) 100%); }
  .hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: center; width: 100%; }
  @media (max-width: 1024px) { .hero-content { grid-template-columns: 1fr 1fr; gap: 32px; } }
  @media (max-width: 768px) { .hero-content { grid-template-columns: 1fr; gap: 28px; } }
  .hero h1 { font-size: 44px; font-weight: 700; line-height: 1.3; margin-bottom: 18px; letter-spacing: -0.02em; }
  @media (max-width: 768px) { .hero h1 { font-size: 32px; } }
  .hero-sub { font-size: 16px; color: rgba(255,255,255,.85); line-height: 1.8; margin-bottom: 32px; max-width: 480px; }
  .hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
  .hero-visual { position: relative; }
  .hero-visual-card { border-radius: 20px; overflow: hidden; box-shadow: 0 24px 48px rgba(0,0,0,.3); transform: rotate(2deg); transition: transform .3s ease; }
  .hero-visual-card:hover { transform: rotate(0) scale(1.02); }
  .hero-visual-card img { width: 100%; height: 420px; object-fit: cover; }
  @media (max-width: 768px) { .hero-visual-card img { height: 280px; } }
  .hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 5; text-align: center; }
  .hero-scroll a { display: inline-flex; flex-direction: column; align-items: center; gap: 6px; color: rgba(255,255,255,.7); font-size: 12px; transition: color .2s ease; }
  .hero-scroll a:hover { color: #fff; }
  .scroll-arrow { animation: bounceDown 1.2s infinite; }
  @keyframes bounceDown { 0%, 100% { transform: translateY(0); opacity: .8; } 50% { transform: translateY(8px); opacity: 1; } }
  /* Sections */
  .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
  .section-title { font-size: 26px; font-weight: 700; color: #1E293B; letter-spacing: -0.01em; }
  @media (max-width: 768px) { .section-title { font-size: 22px; } }
  .section-more { font-size: 14px; color: #2563EB; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: color .2s ease; }
  .section-more:hover { color: #1D4ED8; }
  .section-icon { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: rgba(37,99,235,.1); color: #2563EB; margin-right: 10px; vertical-align: middle; }
  /* Scroll cards */
  .scroll-track { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 12px; scroll-behavior: smooth; scrollbar-width: none; scroll-snap-type: x mandatory; }
  .scroll-track::-webkit-scrollbar { display: none; }
  .scroll-card { flex: 0 0 280px; scroll-snap-align: start; background: #fff; border-radius: 16px; border: 1px solid #E2E8F0; overflow: hidden; transition: box-shadow .25s ease, transform .25s ease; box-shadow: 0 1px 3px rgba(15,23,42,.06); }
  .scroll-card:hover { box-shadow: 0 12px 24px rgba(15,23,42,.1); transform: translateY(-4px); }
  .scroll-card-media { position: relative; overflow: hidden; aspect-ratio: 16/9; }
  .scroll-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
  .scroll-card:hover .scroll-card-media img { transform: scale(1.05); }
  .scroll-card-body { padding: 16px; }
  .scroll-card-body h3 { font-size: 15px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .scroll-card-body p { font-size: 13px; color: #64748B; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
  .scroll-card-body .badge { margin-top: 10px; }
  /* Content cards */
  .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  @media (max-width: 1024px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }
  .post-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #E2E8F0; transition: box-shadow .25s ease, transform .25s ease; box-shadow: 0 1px 3px rgba(15,23,42,.06); display: flex; flex-direction: column; }
  .post-card:hover { box-shadow: 0 12px 24px rgba(15,23,42,.1); transform: translateY(-4px); }
  .post-card-media { position: relative; overflow: hidden; aspect-ratio: 16/9; }
  .post-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
  .post-card:hover .post-card-media img { transform: scale(1.05); }
  .post-card-media .time-badge { position: absolute; top: 12px; left: 12px; background: rgba(0,0,0,.65); color: #fff; font-size: 11px; padding: 2px 10px; border-radius: 999px; }
  .post-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
  .post-card-body h3 { font-size: 18px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .post-card-body p { font-size: 14px; color: #64748B; line-height: 1.7; margin-bottom: 16px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .read-more { font-size: 14px; color: #2563EB; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: color .2s ease; align-self: flex-start; }
  .read-more:hover { text-decoration: underline; color: #1D4ED8; }
  /* This Week */
  .week-section { display: grid; grid-template-columns: 1fr 2fr; gap: 24px; }
  @media (max-width: 1024px) { .week-section { grid-template-columns: 1fr; } }
  .week-feature { border-radius: 16px; overflow: hidden; position: relative; min-height: 360px; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; background: linear-gradient(180deg, transparent 20%, rgba(15,23,42,.9) 100%), url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat; color: #fff; }
  .week-feature h3 { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
  .week-feature p { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 20px; line-height: 1.7; }
  .week-feature .btn { align-self: flex-start; }
  .week-list { display: flex; flex-direction: column; gap: 0; }
  .week-list-item { display: flex; align-items: center; gap: 20px; padding: 16px 8px; border-bottom: 1px solid #E2E8F0; transition: background .2s ease, padding-left .2s ease; }
  .week-list-item:last-child { border-bottom: none; }
  .week-list-item:hover { background: rgba(239,246,255,.6); padding-left: 16px; border-radius: 12px; }
  .week-list-num { font-size: 20px; font-weight: 700; color: #E2E8F0; width: 36px; text-align: center; flex-shrink: 0; }
  .week-list-item:hover .week-list-num { color: #2563EB; }
  .week-list-title { flex: 1; font-size: 15px; font-weight: 500; color: #1E293B; line-height: 1.5; }
  .week-list-meta { display: flex; align-items: center; gap: 8px; }
  .week-list-arrow { color: #94A3B8; transition: color .2s ease, transform .2s ease; }
  .week-list-item:hover .week-list-arrow { color: #2563EB; transform: translateX(4px); }
  /* News section */
  .news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
  @media (max-width: 1024px) { .news-layout { grid-template-columns: 1fr; } }
  .news-list { display: flex; flex-direction: column; }
  .news-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid #E2E8F0; transition: background .2s ease; }
  .news-item:first-child { padding-top: 0; }
  .news-item:last-child { border-bottom: none; }
  .news-item:hover { background: rgba(239,246,255,.4); border-radius: 12px; padding-left: 12px; padding-right: 12px; }
  .news-info { flex: 1; }
  .news-info h3 { font-size: 16px; font-weight: 600; color: #1E293B; margin-bottom: 6px; line-height: 1.5; transition: color .2s ease; }
  .news-item:hover .news-info h3 { color: #2563EB; }
  .news-info p { font-size: 14px; color: #64748B; line-height: 1.7; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: #94A3B8; }
  .news-cover { width: 180px; height: 112px; flex-shrink: 0; border-radius: 12px; overflow: hidden; }
  .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
  .news-item:hover .news-cover img { transform: scale(1.05); }
  @media (max-width: 640px) { .news-cover { width: 120px; height: 90px; } }
  .sidebar-widget { background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; padding: 24px; margin-bottom: 24px; box-shadow: 0 1px 3px rgba(15,23,42,.06); }
  .sidebar-widget h3 { font-size: 17px; font-weight: 600; margin-bottom: 18px; color: #1E293B; display: flex; align-items: center; gap: 8px; }
  .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
  .tag-btn { display: inline-flex; align-items: center; padding: 4px 14px; border-radius: 999px; background: #F1F5F9; color: #475569; font-size: 13px; transition: all .2s ease; border: none; }
  .tag-btn:hover { background: #2563EB; color: #fff; transform: translateY(-2px); }
  .archive-list { display: flex; flex-direction: column; gap: 0; }
  .archive-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid #F1F5F9; font-size: 14px; }
  .archive-item:last-child { border-bottom: none; }
  .archive-item .dot { width: 6px; height: 6px; border-radius: 50%; background: #2563EB; flex-shrink: 0; }
  .archive-item span { color: #64748B; font-size: 13px; margin-left: auto; }
  .empty-state { padding: 60px 20px; text-align: center; background: #fff; border-radius: 16px; border: 1px dashed #CBD5E1; }
  .empty-state .empty-icon { width: 56px; height: 56px; border-radius: 50%; background: #F1F5F9; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: #94A3B8; }
  .empty-state p { font-size: 15px; color: #64748B; margin-bottom: 16px; }
  /* CTA */
  .cta-section { background: linear-gradient(120deg, #FFF7ED 0%, #FFFBEB 100%); border-radius: 24px; padding: 48px 56px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
  @media (max-width: 1024px) { .cta-section { flex-direction: column; padding: 40px 24px; text-align: center; } }
  .cta-text h2 { font-size: 26px; font-weight: 700; color: #1E293B; margin-bottom: 12px; }
  .cta-text p { font-size: 15px; color: #64748B; line-height: 1.7; max-width: 520px; }
  @media (max-width: 1024px) { .cta-text p { margin: 0 auto; } }
  .cta-form { display: flex; gap: 12px; align-items: center; }
  @media (max-width: 640px) { .cta-form { flex-direction: column; width: 100%; } }
  .cta-form input { height: 46px; padding: 0 20px; border: 1px solid #E2E8F0; border-radius: 999px; font-size: 14px; outline: none; background: #fff; min-width: 280px; transition: all .2s ease; }
  .cta-form input:focus { border-color: #2563EB; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
  @media (max-width: 640px) { .cta-form input { width: 100%; min-width: 0; } }
  /* FAQ */
  .faq-wrap { max-width: 720px; margin: 0 auto; }
  .faq-item { background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; margin-bottom: 12px; overflow: hidden; transition: border-color .2s ease; }
  .faq-item.open { border-color: #2563EB; box-shadow: 0 4px 12px rgba(37,99,235,.08); }
  .faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; font-size: 15px; font-weight: 600; color: #1E293B; background: none; border: none; text-align: left; }
  .faq-icon { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px; background: #F1F5F9; color: #475569; transition: all .3s ease; flex-shrink: 0; }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: #2563EB; color: #fff; }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 24px; font-size: 14px; color: #64748B; line-height: 1.8; }
  .faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }
  /* Footer */
  .site-footer { background: #E8EDF3; padding: 48px 0 0; border-top: 1px solid #E2E8F0; }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
  @media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
  .footer-brand .logo { margin-bottom: 16px; }
  .footer-brand p { font-size: 14px; color: #64748B; line-height: 1.8; max-width: 320px; }
  .footer-social { display: flex; gap: 12px; margin-top: 20px; }
  .footer-social a { width: 36px; height: 36px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; color: #64748B; transition: all .2s ease; border: 1px solid #E2E8F0; }
  .footer-social a:hover { background: #2563EB; color: #fff; border-color: #2563EB; transform: translateY(-3px); }
  .footer-col h4 { font-size: 15px; font-weight: 600; color: #1E293B; margin-bottom: 18px; }
  .footer-col a { display: block; font-size: 14px; color: #64748B; padding: 6px 0; transition: color .2s ease, padding-left .2s ease; }
  .footer-col a:hover { color: #2563EB; padding-left: 6px; }
  .footer-bottom { border-top: 1px solid #DCE3EC; padding: 20px 0; text-align: center; font-size: 13px; color: #94A3B8; background: rgba(255,255,255,.5); }
  /* Covers */
  .cover-media { position: relative; overflow: hidden; }
  .cover-media img { width: 100%; height: 100%; object-fit: cover; }

/* roulang page: article */
:root {
      --primary: #2563EB;
      --primary-dark: #1E4FCF;
      --accent: #F59E0B;
      --accent-dark: #D97706;
      --bg: #F6F8FB;
      --text: #1E293B;
      --text-soft: #64748B;
      --border: #E2E8F0;
      --radius-card: 16px;
      --shadow-card: 0 1px 3px rgba(15, 23, 42, .06);
      --shadow-hover: 0 12px 24px rgba(15, 23, 42, .1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    @media (max-width: 768px) { .container { padding: 0 16px; } }

    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255,255,255,.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
    .logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--text); white-space: nowrap; }
    .logo-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .nav-links { display: flex; align-items: center; gap: 28px; }
    .nav-links a { font-size: 15px; font-weight: 500; color: var(--text-soft); position: relative; padding: 8px 0; transition: color .2s; white-space: nowrap; }
    .nav-links a:hover { color: var(--text); }
    .nav-links a.active { color: var(--primary); }
    .nav-links a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--primary); border-radius: 2px; }
    .header-actions { display: flex; align-items: center; gap: 14px; }
    .search-box { position: relative; display: flex; align-items: center; }
    .search-box input {
      width: 160px; height: 38px; border: 1px solid var(--border); border-radius: 999px;
      padding: 0 14px 0 36px; font-size: 13px; color: var(--text);
      background: #fff; outline: none; transition: all .25s;
    }
    .search-box input:focus { width: 220px; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
    .search-box svg { position: absolute; left: 12px; width: 15px; height: 15px; color: #94A3B8; pointer-events: none; }
    .btn {
      height: 38px; padding: 0 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
      display: inline-flex; align-items: center; justify-content: center; gap: 6px;
      cursor: pointer; border: none; transition: all .2s; white-space: nowrap;
    }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37,99,235,.25); }
    .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
    .btn-outline:hover { background: rgba(37,99,235,.08); }
    .btn-accent { background: var(--accent); color: #fff; }
    .btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(245,158,11,.3); }
    .btn:active { transform: scale(.98); }
    .btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,.3); }
    .btn-sm { height: 32px; padding: 0 14px; font-size: 13px; }

    .mobile-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; border-radius: 8px; cursor: pointer; align-items: center; justify-content: center; }
    .mobile-toggle:hover { background: #f1f5f9; }
    .mobile-menu {
      display: none; position: fixed; inset: 0; background: #fff; z-index: 100; padding: 24px;
      flex-direction: column;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu-header { display: flex; align-items: center; justify-content: space-between; height: 44px; margin-bottom: 32px; }
    .mobile-menu a { font-size: 22px; font-weight: 600; color: var(--text); padding: 16px 0; border-bottom: 1px solid #f1f5f9; }
    .mobile-menu a.active { color: var(--primary); }
    .mobile-menu-buttons { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .header-actions .search-box { display: none; }
      .header-actions .btn-outline { display: none; }
      .mobile-toggle { display: flex; }
    }
    @media (min-width: 1025px) { .mobile-menu { display: none !important; } }

    .breadcrumb { padding: 28px 0 20px; font-size: 13px; color: #94A3B8; }
    .breadcrumb a { color: var(--primary); }
    .breadcrumb a:hover { text-decoration: underline; }
    .breadcrumb span { margin: 0 6px; color: #CBD5E1; }

    .article-hero { background: #fff; border-bottom: 1px solid var(--border); padding: 48px 0 40px; }
    .article-hero-inner { max-width: 800px; margin: 0 auto; padding: 0 24px; }
    .article-title { font-size: 32px; font-weight: 700; line-height: 1.4; margin-bottom: 20px; color: var(--text); letter-spacing: .01em; }
    .article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 13px; color: var(--text-soft); }
    .author-avatar { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, #60A5FA 100%); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }
    .meta-divider { width: 1px; height: 14px; background: var(--border); }

    .article-main { padding: 48px 0 64px; }
    .article-content { max-width: 768px; margin: 0 auto; padding: 0 24px; }
    .article-body { font-size: 17px; line-height: 1.8; color: #334155; }
    .article-body p { margin-bottom: 24px; }
    .article-body h2 { font-size: 24px; font-weight: 700; margin: 40px 0 16px; color: var(--text); }
    .article-body h3 { font-size: 20px; font-weight: 600; margin: 32px 0 12px; color: var(--text); }
    .article-body a { color: var(--primary); }
    .article-body a:hover { text-decoration: underline; }
    .article-body img { border-radius: 12px; margin: 24px 0; }
    .article-body blockquote { border-left: 4px solid var(--primary); background: #EFF6FF; padding: 16px 20px; margin: 24px 0; border-radius: 0 12px 12px 0; color: #475569; font-style: normal; }
    .article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 24px; }
    .article-body li { margin-bottom: 8px; }
    .article-tags { margin: 36px 0 8px; display: flex; flex-wrap: wrap; gap: 8px; }
    .tag { display: inline-block; background: #F1F5F9; color: var(--text-soft); font-size: 12px; border-radius: 999px; padding: 6px 14px; transition: all .2s; }
    .tag:hover { background: var(--primary); color: #fff; }

    .related-section { padding: 48px 0 64px; }
    .section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
    .section-head h2 { font-size: 26px; font-weight: 700; color: var(--text); position: relative; padding-left: 16px; }
    .section-head h2::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 22px; background: var(--primary); border-radius: 2px; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .related-card {
      background: #fff; border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--border);
      box-shadow: var(--shadow-card); transition: all .25s; display: flex; flex-direction: column;
    }
    .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .related-card .cover { width: 100%; height: 160px; object-fit: cover; transition: transform .3s; }
    .related-card:hover .cover { transform: scale(1.03); }
    .related-card .card-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
    .related-card h3 { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .related-card p { font-size: 13px; color: var(--text-soft); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; flex: 1; }
    .related-card .card-foot { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #94A3B8; }
    .related-card .card-foot a { color: var(--primary); font-weight: 500; font-size: 13px; }
    .related-card .card-foot a:hover { text-decoration: underline; }
    @media (max-width: 900px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 640px) { .related-grid { grid-template-columns: 1fr; } }

    .article-footer-actions { padding: 24px 0 56px; text-align: center; }
    .not-found { text-align: center; padding: 80px 24px; }
    .not-found .icon-big { font-size: 56px; margin-bottom: 16px; }
    .not-found h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
    .not-found p { color: var(--text-soft); margin-bottom: 28px; }

    .cta-section { background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(251,191,36,.06)) border-box; padding: 56px 0; }
    .cta-inner { max-width: 900px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
    .cta-text h2 { font-size: 26px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
    .cta-text p { color: var(--text-soft); font-size: 14px; }
    .subscribe-form { display: flex; gap: 10px; flex-wrap: wrap; }
    .subscribe-form input {
      height: 44px; width: 260px; border: 1px solid var(--border); border-radius: 999px;
      padding: 0 20px; font-size: 14px; color: var(--text); background: #fff; outline: none; transition: all .2s;
    }
    .subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
    .subscribe-form .btn { height: 44px; padding: 0 28px; }
    @media (max-width: 768px) { .subscribe-form input { width: 100%; } .subscribe-form .btn { width: 100%; } }

    .faq-section { padding: 64px 0; }
    .faq-inner { max-width: 820px; margin: 0 auto; padding: 0 24px; }
    .faq-list { margin-top: 32px; }
    .faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: all .2s; }
    .faq-item:hover { border-color: #CBD5E1; }
    .faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; background: none; border: none; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); text-align: left; font-family: inherit; }
    .faq-question .icon { width: 28px; height: 28px; border-radius: 50%; background: #F1F5F9; display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--primary); flex-shrink: 0; transition: all .25s; }
    .faq-item.open .faq-question .icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; padding: 0 22px; }
    .faq-item.open .faq-answer { max-height: 200px; padding: 0 22px 18px; }
    .faq-answer p { font-size: 14px; color: var(--text-soft); line-height: 1.7; }

    .site-footer { background: #E8EDF3; padding: 56px 0 0; margin-top: 0; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 36px; }
    .footer-brand .logo { font-size: 18px; margin-bottom: 14px; }
    .footer-brand p { font-size: 13px; color: var(--text-soft); line-height: 1.8; max-width: 280px; margin-bottom: 16px; }
    .footer-social { display: flex; gap: 8px; }
    .footer-social a {
      width: 32px; height: 32px; border-radius: 8px; background: #fff; border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center; color: var(--text-soft); transition: all .2s;
    }
    .footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
    .footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 14px; color: var(--text); }
    .footer-col a { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 10px; transition: color .2s; }
    .footer-col a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid #D3DCE8; padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
    .footer-bottom p { font-size: 13px; color: #94A3B8; }
    @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }

    @media (max-width: 768px) {
      .article-title { font-size: 24px; }
      .breadcrumb { padding: 20px 0 12px; overflow-x: auto; white-space: nowrap; }
      .article-hero { padding: 32px 0 28px; }
      .article-body { font-size: 16px; }
    }

/* roulang page: category1 */
:root {
    --primary: #2563EB;
    --primary-dark: #1E4FCF;
    --primary-light: #EFF6FF;
    --accent: #F59E0B;
    --accent-dark: #D97706;
    --accent-light: #FEF3C7;
    --bg: #F6F8FB;
    --card: #FFFFFF;
    --bg-light: #EEF2F7;
    --text: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);
    --shadow-lg: 0 12px 24px rgba(15, 23, 42, .1);
    --container: 1200px;
  }

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

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

  body {
    font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { border: none; background: none; cursor: pointer; font-family: inherit; }
  input { font-family: inherit; outline: none; }

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

  /* ===== Header / Nav ===== */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    transition: box-shadow .25s ease, background .25s ease;
  }
  .site-header.scrolled { box-shadow: 0 4px 12px rgba(15, 23, 42, .06); }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 20px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    white-space: nowrap;
  }
  .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
  }

  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
    transition: color .2s;
  }
  .nav-links a:hover { color: var(--primary); }
  .nav-links a.active { color: var(--primary); font-weight: 600; }
  .nav-links a.active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
  }

  .header-actions { display: flex; align-items: center; gap: 10px; }

  .search-box {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-light);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0 14px;
    height: 40px;
    width: 160px;
    transition: all .25s ease;
  }
  .search-box:focus-within {
    width: 220px;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  }
  .search-box .search-icon { color: var(--text-muted); flex-shrink: 0; }
  .search-box input {
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--text);
    width: 100%;
  }
  .search-box input::placeholder { color: var(--text-muted); }

  .menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: transparent;
  }
  .menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .25s ease;
  }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(15, 23, 42, .08);
    padding: 24px 24px 32px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all .25s ease;
  }
  .mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .mobile-nav { display: flex; flex-direction: column; gap: 4px; }
  .mobile-nav a {
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    padding: 12px 8px;
    border-radius: 10px;
    transition: background .2s, color .2s;
  }
  .mobile-nav a:hover { background: var(--primary-light); color: var(--primary); }
  .mobile-nav a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
  .mobile-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }

  /* ===== Buttons ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    transition: all .2s ease;
    white-space: nowrap;
  }
  .btn-sm { height: 36px; padding: 0 16px; font-size: 13px; }
  .btn-block { width: 100%; }
  .btn-primary { background: var(--primary); color: #fff; }
  .btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(37, 99, 235, .25); }
  .btn-primary:active { transform: scale(.98); }
  .btn-primary:focus-visible { outline: 3px solid rgba(37, 99, 235, .3); outline-offset: 2px; }
  .btn-outline { border: 1px solid var(--primary); color: var(--primary); background: transparent; }
  .btn-outline:hover { background: var(--primary-light); }
  .btn-outline:active { transform: scale(.98); }
  .btn-outline-light { border: 1px solid rgba(255, 255, 255, .7); color: #fff; background: transparent; }
  .btn-outline-light:hover { background: rgba(255, 255, 255, .15); border-color: #fff; }
  .btn-gold { background: var(--accent); color: #fff; }
  .btn-gold:hover { background: var(--accent-dark); box-shadow: 0 6px 16px rgba(245, 158, 11, .35); }
  .btn-gold:active { transform: scale(.98); }
  .btn-gold:focus-visible { outline: 3px solid rgba(245, 158, 11, .35); outline-offset: 2px; }
  .text-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    transition: all .2s;
  }
  .text-btn:hover { text-decoration: underline; text-underline-offset: 3px; }

  /* ===== Badge ===== */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
    background: var(--bg-light);
    color: var(--text-secondary);
  }
  .badge-primary { background: rgba(37, 99, 235, .1); color: var(--primary); }
  .badge-accent { background: rgba(245, 158, 11, .12); color: var(--accent-dark); }
  .badge-white { background: rgba(255, 255, 255, .18); color: #fff; backdrop-filter: blur(4px); }

  /* ===== Section ===== */
  .section { padding: 80px 0; }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
    flex-wrap: wrap;
  }
  .section-head h2 { font-size: 26px; font-weight: 700; line-height: 1.3; }
  .section-head p { color: var(--text-secondary); font-size: 14px; margin-top: 6px; }

  /* ===== Category Hero ===== */
  .category-hero {
    position: relative;
    min-height: 440px;
    display: flex;
    align-items: center;
    padding-top: 68px;
    overflow: hidden;
  }
  .category-hero-bg {
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .category-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(15, 23, 42, .88) 0%, rgba(37, 99, 235, .6) 55%, rgba(15, 23, 42, .25) 100%);
  }
  .category-hero-content {
    position: relative;
    z-index: 1;
    padding: 56px 0;
    max-width: 720px;
  }
  .category-hero-content h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
    margin: 16px 0 18px;
  }
  .category-hero-content p {
    color: rgba(255, 255, 255, .88);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 10px;
  }
  .hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

  /* ===== Stats Bar ===== */
  .stats-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .stat-item { text-align: center; padding: 8px; }
  .stat-item strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
  }
  .stat-item span { display: block; font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

  /* ===== Filter Tabs ===== */
  .filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
  .filter-tab {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all .2s ease;
  }
  .filter-tab:hover { border-color: var(--primary); color: var(--primary); }
  .filter-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

  /* ===== News List ===== */
  .news-list { display: flex; flex-direction: column; gap: 24px; }
  .news-item {
    display: flex;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .25s ease, transform .25s ease;
  }
  .news-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
  .news-thumb {
    width: 220px;
    min-width: 220px;
    height: 148px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    background: var(--bg-light);
  }
  .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
  .news-item:hover .news-thumb img { transform: scale(1.04); }
  .news-body { flex: 1; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
  .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
  .news-date { font-size: 13px; color: var(--text-muted); }
  .news-body h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    transition: color .2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-body h3 a:hover { color: var(--primary); }
  .news-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
  }

  .empty-state {
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 24px;
    text-align: center;
    color: var(--text-muted);
  }
  .empty-state p { font-size: 15px; margin-bottom: 16px; }

  /* ===== Pagination ===== */
  .pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
  }
  .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all .2s ease;
  }
  .page-link:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
  .page-link.active { background: var(--primary); border-color: var(--primary); color: #fff; }

  /* ===== Channel Slider ===== */
  .channel-slider {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 8px 4px 16px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .channel-slider::-webkit-scrollbar { display: none; }
  .channel-slider { scrollbar-width: none; }
  .channel-card {
    flex: 0 0 280px;
    min-width: 280px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    scroll-snap-align: start;
    transition: box-shadow .25s ease, transform .25s ease;
  }
  .channel-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  .channel-cover {
    height: 160px;
    overflow: hidden;
    position: relative;
    background: var(--bg-light);
  }
  .channel-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
  .channel-card:hover .channel-cover img { transform: scale(1.05); }
  .channel-info { padding: 20px; }
  .channel-info h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
  .channel-info p { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.6; }
  .channel-info .badge + .badge { margin-left: 6px; }

  /* ===== FAQ ===== */
  .faq-section { background: #fff; }
  .faq-list { max-width: 800px; margin: 0 auto; }
  .faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    background: var(--bg);
    overflow: hidden;
    transition: border-color .2s;
  }
  .faq-item.open { border-color: rgba(37, 99, 235, .3); background: #fff; }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color .2s;
  }
  .faq-question:hover { color: var(--primary); }
  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    line-height: 1;
    transition: transform .25s ease, background .25s ease;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    padding: 0 20px;
  }
  .faq-item.open .faq-answer { max-height: 200px; padding: 0 20px 18px; }
  .faq-answer p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

  /* ===== CTA ===== */
  .cta-section { padding: 60px 0; }
  .cta-inner {
    background: linear-gradient(120deg, rgba(245, 158, 11, .18), rgba(253, 230, 138, .24));
    border-radius: 24px;
    padding: 40px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }
  .cta-inner h2 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
  .cta-inner p { font-size: 14px; color: var(--text-secondary); }
  .subscribe-form { display: flex; gap: 10px; flex-wrap: wrap; }
  .subscribe-form input {
    height: 44px;
    width: 280px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    font-size: 14px;
    color: var(--text);
    transition: border-color .2s, box-shadow .2s;
  }
  .subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
  .subscribe-form input::placeholder { color: var(--text-muted); }

  /* ===== Footer ===== */
  .site-footer {
    background: #E8EDF3;
    padding-top: 60px;
    margin-top: 20px;
    border-top: 1px solid var(--border);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 32px;
  }
  .footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-top: 14px; max-width: 320px; }
  .footer-social { display: flex; gap: 10px; margin-top: 18px; }
  .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: #fff;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: all .2s ease;
  }
  .footer-social a:hover { color: var(--primary); border-color: var(--primary); }
  .footer-col h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 16px; }
  .footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    transition: color .2s;
  }
  .footer-col a:hover { color: var(--primary); }
  .footer-bottom {
    border-top: 1px solid rgba(226, 232, 240, .8);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .nav-links { gap: 20px; }
    .header-actions .search-box { width: 130px; }
    .header-actions .search-box:focus-within { width: 180px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 768px) {
    .section { padding: 48px 0; }
    .category-hero { min-height: 420px; padding-top: 68px; }
    .category-hero-content h1 { font-size: 28px; }

    .nav-links, .header-actions { display: none; }
    .menu-toggle { display: flex; }
    .mobile-menu { display: block; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-item strong { font-size: 24px; }

    .news-item { flex-direction: column; padding: 16px; }
    .news-thumb { width: 100%; min-width: 0; height: 180px; }

    .cta-inner { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
    .subscribe-form { width: 100%; flex-direction: column; }
    .subscribe-form input { width: 100%; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  }

  @media (max-width: 520px) {
    .container { padding: 0 16px; }
    .section-head h2 { font-size: 22px; }
    .news-thumb { height: 150px; }
    .channel-card { flex-basis: 240px; min-width: 240px; }
    .hero-actions .btn { width: 100%; }
    .hero-actions .btn-outline-light { width: 100%; }
    .page-link { width: 36px; height: 36px; font-size: 13px; }
  }

/* roulang page: category2 */
:root{
  --primary:#2563EB;
  --primary-dark:#1E4FCF;
  --accent:#F59E0B;
  --accent-dark:#D97706;
  --bg:#F6F8FB;
  --bg-soft:#EEF2F7;
  --card:#FFFFFF;
  --text:#1E293B;
  --text-secondary:#64748B;
  --text-muted:#94A3B8;
  --border:#E2E8F0;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 3px rgba(15,23,42,.06);
  --shadow-2:0 12px 24px rgba(15,23,42,.1);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;overflow-x:hidden}
body{
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s,border-color .25s;
}
.site-header.scrolled{
  box-shadow:0 4px 16px rgba(15,23,42,.08);
  border-color:var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
}
.logo-icon{
  display:inline-flex;
  width:32px;height:32px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
}
.nav-links a{
  padding:8px 14px;
  border-radius:8px;
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  transition:color .15s,background .15s;
  position:relative;
  white-space:nowrap;
}
.nav-links a:hover{
  color:var(--primary);
  background:rgba(37,99,235,.06);
}
.nav-links a.active{
  color:var(--primary);
  font-weight:600;
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.search-box{
  position:relative;
  width:160px;
  transition:width .25s ease;
}
.search-box:focus-within{width:220px}
.search-box input{
  width:100%;
  height:38px;
  padding:0 14px 0 38px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:13px;
  background:var(--bg-soft);
  color:var(--text);
  outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-box input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(37,99,235,.12);
  background:#fff;
}
.search-box svg{
  position:absolute;
  left:13px;top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  color:var(--text-muted);
  pointer-events:none;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  border:none;
  transition:all .2s;
}
.btn-outline{
  border:1px solid var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-outline:hover{background:rgba(37,99,235,.08)}
.btn-accent{
  background:var(--accent);
  color:#fff;
}
.btn-accent:hover{background:var(--accent-dark)}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{background:var(--primary-dark)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.menu-btn{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  align-items:center;
  justify-content:center;
}
/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    linear-gradient(120deg,rgba(15,30,60,.92) 0%,rgba(37,99,235,.60) 55%,rgba(30,79,207,.55) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:96px 0 72px;
  color:#fff;
}
.hero .container{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:48px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  border-radius:999px;
  padding:6px 14px;
  font-size:13px;
  font-weight:500;
  margin-bottom:20px;
}
.hero h1{
  font-size:42px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero .lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
  max-width:520px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.btn-white{
  background:#fff;
  color:var(--primary-dark);
}
.btn-white:hover{
  background:#eef4ff;
  transform:translateY(-1px);
}
.btn-ghost-white{
  border:1px solid rgba(255,255,255,.6);
  color:#fff;
  background:transparent;
}
.btn-ghost-white:hover{
  background:rgba(255,255,255,.12);
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .stat-value{
  font-size:28px;
  font-weight:700;
  line-height:1.2;
}
.hero-stats .stat-label{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-top:4px;
}
.hero-visual{
  display:flex;
  justify-content:center;
  align-items:center;
}
.poster-wrap{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:24px;
  padding:14px;
  transform:rotate(2deg);
  transition:transform .3s;
}
.poster-wrap:hover{
  transform:rotate(0deg) scale(1.02);
}
.poster-img{
  width:300px;
  height:400px;
  object-fit:cover;
  border-radius:16px;
  display:block;
}
.scroll-down{
  text-align:center;
  margin-top:52px;
  animation:bounce 1.2s infinite;
}
.scroll-down svg{
  width:28px;height:28px;
  color:rgba(255,255,255,.7);
}
@keyframes bounce{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(10px)}
}
/* ===== Section ===== */
.section{padding:80px 0}
.section-alt{background:var(--bg-soft)}
.section-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.section-header h2{
  font-size:26px;
  font-weight:700;
  line-height:1.3;
}
.section-header .section-desc{
  color:var(--text-secondary);
  font-size:15px;
  max-width:480px;
  text-align:right;
}
/* ===== Filter Tags ===== */
.filter-tags{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.filter-tag{
  padding:8px 20px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-secondary);
  cursor:pointer;
  transition:all .2s;
}
.filter-tag:hover{
  border-color:var(--primary);
  color:var(--primary);
}
.filter-tag.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
/* ===== Card Grid ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.deep-card{
  background:var(--card);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--border);
  transition:transform .25s,box-shadow .25s;
  display:flex;
  flex-direction:column;
}
.deep-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.deep-card:hover .card-cover img{transform:scale(1.05)}
.card-cover .cover-time{
  position:absolute;
  top:12px;left:12px;
  background:rgba(15,23,42,.72);
  color:#fff;
  font-size:11px;
  padding:4px 10px;
  border-radius:6px;
}
.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-meta{
  display:flex;
  gap:8px;
  align-items:center;
  margin-bottom:10px;
  font-size:12px;
  color:var(--text-muted);
}
.cat-tag{
  background:rgba(37,99,235,.08);
  color:var(--primary);
  padding:2px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
}
.deep-card h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.deep-card p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--primary);
  font-size:14px;
  font-weight:500;
  margin-top:14px;
  transition:gap .2s;
}
.text-link:hover{
  text-decoration:underline;
  gap:8px;
}
/* ===== Feature ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:box-shadow .2s;
}
.feature-item:hover{box-shadow:var(--shadow-2)}
.feature-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:rgba(37,99,235,.1);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.feature-item h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
}
.feature-item p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
}
/* ===== Scenario ===== */
.scenario-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.scenario-card{
  background:#fff;
  border:1px solid var(--border);
  border-left:4px solid var(--primary);
  border-radius:var(--radius);
  padding:24px;
  transition:background .2s,box-shadow .2s;
}
.scenario-card:hover{
  box-shadow:var(--shadow-1);
}
.scenario-card .step-num{
  font-size:13px;
  color:var(--primary);
  font-weight:700;
  margin-bottom:8px;
}
.scenario-card h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
}
.scenario-card p{
  font-size:13px;
  color:var(--text-secondary);
  line-height:1.65;
}
/* ===== Process ===== */
.process-steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
  position:relative;
}
.process-steps::before{
  content:"";
  position:absolute;
  top:28px;
  left:60px;
  right:60px;
  height:2px;
  background:var(--border);
  z-index:0;
}
.process-step{
  text-align:center;
  position:relative;
  z-index:1;
}
.step-dot{
  width:56px;height:56px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  color:var(--primary);
  font-weight:700;
  font-size:18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:12px;
  box-shadow:0 0 0 6px var(--bg);
}
.process-step h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:4px;
}
.process-step p{
  font-size:13px;
  color:var(--text-secondary);
  line-height:1.6;
}
/* ===== FAQ ===== */
.faq-wrap{
  max-width:760px;
  margin:0 auto;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s,border-color .2s;
}
.faq-item[open]{
  border-color:rgba(37,99,235,.3);
  box-shadow:0 4px 12px rgba(37,99,235,.08);
}
.faq-item summary{
  padding:18px 20px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:24px;height:24px;
  border-radius:50%;
  background:var(--bg-soft);
  color:var(--text-secondary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-size:16px;
  font-weight:400;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
  background:var(--primary);
  color:#fff;
}
.faq-body{
  padding:0 20px 18px;
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.75;
}
/* ===== CTA ===== */
.cta-box{
  background:linear-gradient(135deg,rgba(245,158,11,.28),rgba(217,119,6,.18));
  border-radius:24px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-box h2{
  font-size:26px;
  font-weight:700;
}
.cta-box p{
  color:var(--text-secondary);
  margin-top:8px;
  font-size:15px;
  max-width:420px;
}
.subscribe-form{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.subscribe-form input{
  width:280px;
  height:46px;
  border:1px solid var(--border);
  border-radius:999px;
  padding:0 20px;
  background:#fff;
  font-size:14px;
  outline:none;
  transition:box-shadow .2s,border-color .2s;
}
.subscribe-form input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(37,99,235,.12);
}
/* ===== Footer ===== */
.site-footer{
  background:#E8EDF3;
  padding:64px 0 24px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(148,163,184,.2);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  max-width:320px;
  margin-bottom:20px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:36px;height:36px;
  border-radius:8px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-secondary);
  border:1px solid rgba(148,163,184,.3);
  transition:all .2s;
}
.footer-social a:hover{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col a{
  display:block;
  font-size:14px;
  color:var(--text-secondary);
  padding:5px 0;
  transition:color .15s;
}
.footer-col a:hover{
  color:var(--primary);
}
.footer-col p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.8;
  margin-top:12px;
}
.footer-bottom{
  text-align:center;
  padding-top:24px;
  font-size:13px;
  color:var(--text-muted);
}
/* ===== Mobile Nav ===== */
.mobile-nav{
  display:none;
  position:fixed;
  inset:0;
  background:#fff;
  z-index:200;
  padding:24px;
  flex-direction:column;
}
.mobile-nav.open{display:flex}
.mobile-nav .close-btn{
  align-self:flex-end;
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  font-size:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text);
}
.mobile-nav a{
  padding:14px 0;
  font-size:20px;
  font-weight:600;
  border-bottom:1px solid var(--bg-soft);
  color:var(--text);
}
.mobile-nav a.active{color:var(--primary)}
.mobile-nav .mobile-actions{
  margin-top:auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(3,1fr);gap:24px}
  .process-steps::before{display:none}
  .hero .container{grid-template-columns:1fr}
  .hero-visual{display:none}
  .cta-box{flex-direction:column;text-align:center}
  .cta-box p{margin-left:auto;margin-right:auto}
  .section-header .section-desc{text-align:left}
}
@media(max-width:768px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .header-actions .search-box{display:none}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .hero{padding:64px 0 48px}
  .hero h1{font-size:28px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .feature-grid{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .hero-actions .btn{width:100%}
  .section-header{flex-direction:column;align-items:flex-start}
  .cta-box{padding:32px 24px}
  .subscribe-form input{width:100%}
  .subscribe-form .btn{width:100%}
}
@media(max-width:520px){
  .card-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .hero-stats .stat-value{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .poster-wrap{display:none}
}

/* roulang page: category3 */
:root {
  --primary: #2563EB;
  --primary-dark: #1E4FCF;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg: #F6F8FB;
  --card: #FFFFFF;
  --section: #EEF2F7;
  --text: #1E293B;
  --subtext: #64748B;
  --muted: #94A3B8;
  --border: #E2E8F0;
  --radius-lg: 16px;
  --radius-btn: 999px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06);
  --shadow-lg: 0 12px 24px rgba(15,23,42,.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }

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

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(15,23,42,.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 10px;
  color: #fff;
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--subtext);
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--primary); background: rgba(37,99,235,.06); }
.nav-links a.active { color: var(--primary); background: rgba(37,99,235,.1); box-shadow: inset 0 -2px 0 var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { position: relative; }
.search-box input {
  width: 160px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 16px 0 38px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: width .25s, border-color .2s, box-shadow .2s;
}
.search-box input:focus {
  width: 220px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
}
.btn-login {
  height: 40px;
  padding: 0 20px;
  border: 1px solid var(--primary);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  transition: background .2s, color .2s, box-shadow .2s;
}
.btn-login:hover { background: rgba(37,99,235,.08); }
.btn-start {
  height: 40px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 4px 10px rgba(245,158,11,.25);
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-start:hover { background: var(--accent-dark); box-shadow: 0 6px 16px rgba(217,119,6,.3); }
.btn-start:active { transform: scale(.97); }
.mobile-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; color: var(--text); }
.mobile-toggle:hover { background: var(--section); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 1000;
  flex-direction: column;
  padding: 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.mobile-menu-close { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--text); }
.mobile-menu-close:hover { background: var(--section); }
.mobile-menu .nav-links { flex-direction: column; align-items: stretch; gap: 8px; margin-bottom: 24px; }
.mobile-menu .nav-links a { font-size: 22px; padding: 14px 16px; border-radius: 12px; font-weight: 600; color: var(--text); }
.mobile-menu .nav-links a.active { background: rgba(37,99,235,.08); color: var(--primary); box-shadow: none; }
.mobile-menu-actions { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.mobile-menu-actions .search-box input { width: 100%; }
.mobile-menu-actions .btn-login,
.mobile-menu-actions .btn-start { height: 46px; font-size: 16px; }

/* Hero banner */
.hero-banner {
  position: relative;
  min-height: 420px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  color: #fff;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15,23,42,.78) 0%, rgba(15,23,42,.52) 55%, rgba(15,23,42,.2) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 80px 0; max-width: 760px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 20px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.hero-title { font-size: 40px; font-weight: 700; line-height: 1.25; margin-bottom: 18px; }
.hero-subtitle { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,.9); max-width: 640px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-hero-primary {
  height: 48px;
  padding: 0 30px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(245,158,11,.35);
  transition: background .2s, transform .15s;
}
.btn-hero-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-hero-secondary {
  height: 48px;
  padding: 0 30px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.75);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  background: rgba(255,255,255,.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
}
.btn-hero-secondary:hover { background: #fff; color: var(--primary); }

/* 文图交替区 */
.alt-section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-overline { display: inline-block; font-size: 13px; font-weight: 600; color: var(--primary); background: rgba(37,99,235,.08); padding: 4px 14px; border-radius: 999px; margin-bottom: 14px; letter-spacing: .5px; }
.section-title { font-size: 30px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.section-desc { font-size: 15px; color: var(--subtext); line-height: 1.8; }
.alt-list { display: flex; flex-direction: column; gap: 0; }
.alt-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 48px;
  padding: 64px 0;
  border-radius: 20px;
}
.alt-row:nth-child(odd) { background: #fff; }
.alt-row:nth-child(even) { background: var(--section); }
.alt-row:first-child { border-radius: 20px 20px 0 0; }
.alt-row:last-child { border-radius: 0 0 20px 20px; }
.alt-row.reverse { flex-direction: row-reverse; }
.alt-image {
  width: 420px;
  flex-shrink: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.alt-image img { width: 100%; height: 280px; object-fit: cover; transition: transform .3s; }
.alt-row:hover .alt-image img { transform: scale(1.03); }
.alt-body { flex: 1; }
.alt-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(37,99,235,.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.alt-title { font-size: 24px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.alt-desc { font-size: 15px; color: var(--subtext); line-height: 1.8; margin-bottom: 16px; }
.alt-meta { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.alt-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s;
}
.alt-link:hover { gap: 10px; text-decoration: underline; }
.load-more-wrap { text-align: center; margin-top: 40px; }
.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 40px;
  border: 2px dashed var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--subtext);
  background: transparent;
  transition: border-color .2s, color .2s, background .2s;
}
.load-more-btn:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,.04); }

/* 社区数据 */
.stats-section { padding: 60px 0; background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-card { padding: 16px 8px; }
.stat-num { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--subtext); margin-top: 8px; }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-num { font-size: 34px; }
}

/* 编辑精选 */
.featured-section { padding: 80px 0; }
.featured-block {
  display: flex;
  gap: 48px;
  align-items: center;
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.featured-block:hover { box-shadow: var(--shadow-lg); }
.featured-image { width: 440px; flex-shrink: 0; border-radius: 16px; overflow: hidden; }
.featured-image img { width: 100%; height: 300px; object-fit: cover; }
.featured-body { flex: 1; }
.featured-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent-dark); background: rgba(245,158,11,.12); padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.featured-title { font-size: 26px; font-weight: 700; margin-bottom: 14px; line-height: 1.45; }
.featured-desc { font-size: 15px; color: var(--subtext); line-height: 1.85; margin-bottom: 20px; }

/* 投稿指南 */
.steps-section { padding: 80px 0; background: var(--section); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  position: relative;
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-num { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 10px; letter-spacing: 1px; }
.step-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.step-desc { font-size: 14px; color: var(--subtext); line-height: 1.75; }
.step-icon { font-size: 28px; margin-bottom: 16px; }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  text-align: left;
  gap: 16px;
}
.faq-question .icon { font-size: 22px; color: var(--primary); font-weight: 400; transition: transform .25s; flex-shrink: 0; }
.faq-item.active .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--subtext);
  line-height: 1.85;
  background: rgba(246,248,251,.5);
}
.faq-item.active .faq-answer { max-height: 300px; padding: 18px 24px; }

/* CTA */
.cta-section { padding: 0 0 80px; }
.cta-inner {
  background: linear-gradient(135deg, rgba(245,158,11,.16), rgba(255,210,120,.22));
  border: 1px solid rgba(217,119,6,.16);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-title { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.cta-desc { font-size: 15px; color: var(--subtext); max-width: 520px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary-solid {
  height: 46px;
  padding: 0 30px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary-solid:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(37,99,235,.25); }
.btn-outline {
  height: 46px;
  padding: 0 30px;
  border-radius: 999px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: background .2s;
}
.btn-outline:hover { background: rgba(37,99,235,.08); }

/* Footer */
.site-footer { background: #E8EDF3; padding: 56px 0 0; margin-top: 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; font-size: 19px; }
.footer-brand p { font-size: 14px; color: var(--subtext); line-height: 1.8; max-width: 340px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--subtext);
  transition: color .2s, border-color .2s, transform .2s;
}
.footer-social a:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.footer-col a { font-size: 14px; color: var(--subtext); transition: color .2s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid #D3DCE5;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 1024px) {
  .nav-links, .header-actions .search-box, .header-actions .btn-login, .header-actions .btn-start { display: none; }
  .mobile-toggle { display: inline-flex; }
  .header-inner { justify-content: space-between; }
  .alt-row { flex-direction: column; gap: 24px; padding: 40px 24px; }
  .alt-row.reverse { flex-direction: column; }
  .alt-image { width: 100%; }
  .alt-image img { height: 240px; }
  .featured-block { flex-direction: column; padding: 28px 24px; }
  .featured-image { width: 100%; }
  .featured-image img { height: 260px; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .site-header { height: 62px; }
  .header-inner { height: 62px; }
  .logo { font-size: 17px; }
  .logo-icon { width: 30px; height: 30px; border-radius: 8px; }
  .hero-banner { min-height: 520px; }
  .hero-content { padding: 60px 0; }
  .hero-title { font-size: 28px; line-height: 1.3; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; }
  .section-title { font-size: 24px; }
  .alt-row { padding: 32px 16px; }
  .alt-title { font-size: 20px; }
  .alt-desc { font-size: 14px; }
  .featured-block { padding: 20px; }
  .featured-title { font-size: 21px; }
  .cta-inner { padding: 32px 20px; flex-direction: column; }
  .cta-actions { width: 100%; }
  .cta-actions .btn-primary-solid, .cta-actions .btn-outline { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .hero-title { font-size: 24px; }
  .stat-num { font-size: 28px; }
  .step-card { padding: 24px 20px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-item.active .faq-answer { padding: 14px 18px; }
}