/* roulang page: index */
:root {
    --primary: #2E7EB6;
    --primary-dark: #0F4A73;
    --primary-light: #EAF3FA;
    --accent: #E8873A;
    --text-dark: #1A2B3C;
    --text-body: #3A4A5A;
    --text-light: #5A6B7A;
    --bg-page: #F7FAFC;
    --bg-card: #FFFFFF;
    --border: #E6EEF5;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 6px;
    --shadow-md: 0 10px 30px -12px rgba(20, 60, 100, 0.12);
    --shadow-hover: 0 16px 40px -12px rgba(20, 60, 100, 0.2);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: color .2s ease; }
  a:hover { color: var(--primary); }
  button { font-family: inherit; cursor: pointer; }
  input, textarea, select { font-family: inherit; }
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  .section { padding: 96px 0; }
  .section-alt { background: #FFFFFF; }

  /* Header */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(20,60,100,0.08);
    height: 76px;
    transition: box-shadow .3s ease;
  }
  .header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 76px; position: relative;
  }
  .nav-left, .nav-right { display: flex; align-items: center; gap: 32px; }
  .nav-link {
    font-size: 15px; font-weight: 500; color: #3A4A5A;
    padding: 6px 2px; position: relative; transition: color .2s ease;
  }
  .nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -2px;
    width: 0; height: 2px; border-radius: 2px;
    background: var(--primary); transition: width .25s ease;
  }
  .nav-link:hover { color: var(--primary); }
  .nav-link:hover::after { width: 100%; }
  .nav-link.active { color: var(--primary); font-weight: 700; }
  .nav-link.active::after { width: 100%; }
  .logo {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    line-height: 1.1; position: absolute; left: 50%; transform: translateX(-50%);
    text-align: center;
  }
  .logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
  .logo-sub { font-size: 10px; font-weight: 400; color: var(--text-light); letter-spacing: 4px; text-transform: uppercase; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 6px; font-weight: 600; font-size: 15px;
    padding: 12px 28px; transition: all .25s ease; border: 1.5px solid transparent; line-height: 1.2;
  }
  .btn-primary { background: var(--primary); color: #fff; }
  .btn-primary:hover { background: #266E9E; color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(46,126,182,0.25); }
  .btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
  .btn-outline:hover { background: var(--primary-light); color: var(--primary); transform: translateY(-1px); }
  .btn-white { background: #fff; color: var(--primary); }
  .btn-white:hover { background: #f0f7fc; color: var(--primary-dark); transform: translateY(-1px); }
  .btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
  .btn-outline-white:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }
  .btn-sm { padding: 8px 18px; font-size: 14px; }

  .nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text-dark); }

  .mobile-menu {
    display: none; position: fixed; inset: 0; background: #fff; z-index: 200;
    flex-direction: column; padding: 80px 24px 24px;
    gap: 8px; transform: translateX(100%); transition: transform .3s ease;
  }
  .mobile-menu.open { display: flex; transform: translateX(0); }
  .mobile-menu .mobile-link {
    font-size: 18px; font-weight: 500; color: var(--text-dark); padding: 14px 8px;
    border-bottom: 1px solid #F0F4F8;
  }
  .mobile-menu .mobile-link.active { color: var(--primary); font-weight: 700; }
  .mobile-close {
    position: absolute; top: 20px; right: 24px; font-size: 24px; background: none;
    border: none; color: var(--text-dark);
  }

  /* Hero */
  .hero {
    position: relative;
    background: linear-gradient(135deg, #EAF3FA 0%, #F7FAFC 60%);
    background-image: url('/assets/images/backpic/back-1.png'), linear-gradient(135deg, #EAF3FA 0%, #F7FAFC 60%);
    background-size: cover;
    background-position: center;
    padding: 80px 0 120px;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(234,243,250,0.92) 0%, rgba(234,243,250,0.75) 45%, rgba(234,243,250,0.3) 100%);
    z-index: 1;
  }
  .hero .container { position: relative; z-index: 2; }
  .hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.85); border: 1px solid #D7E7F2;
    color: var(--primary-dark); font-size: 13px; font-weight: 600;
    padding: 6px 16px; border-radius: 999px; margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(20,60,100,0.06);
  }
  .hero h1 {
    font-size: 38px; line-height: 1.3; font-weight: 800; color: var(--text-dark);
    margin-bottom: 20px; letter-spacing: 0.5px;
  }
  .hero h1 .highlight { color: var(--primary); }
  .hero-desc {
    font-size: 17px; line-height: 1.7; color: var(--text-light);
    max-width: 520px; margin-bottom: 32px;
  }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
  .hero-trust { display: flex; gap: 28px; flex-wrap: wrap; }
  .hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); }
  .hero-trust-item i { color: var(--primary); font-size: 15px; }
  .hero-visual { position: relative; }
  .hero-visual-card {
    background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
    border-radius: var(--radius-lg); padding: 32px;
    box-shadow: var(--shadow-hover); border: 1px solid rgba(255,255,255,0.6);
    transform: rotate(1deg);
  }
  .hero-visual-card .mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .mini-stat { text-align: center; padding: 14px 8px; background: var(--primary-light); border-radius: var(--radius-md); }
  .mini-stat .num { font-size: 26px; font-weight: 800; color: var(--primary); display: block; }
  .mini-stat .label { font-size: 12px; color: var(--text-light); }
  .hero-wave {
    position: absolute; bottom: -1px; left: 0; right: 0; z-index: 2;
    line-height: 0;
  }
  .hero-wave svg { width: 100%; height: 50px; display: block; }

  /* Section headings */
  .section-eyebrow {
    display: inline-block; font-size: 13px; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase; color: var(--primary);
    margin-bottom: 8px;
  }
  .section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
  .section-head h2 { font-size: 32px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; line-height: 1.3; }
  .section-head p { font-size: 16px; color: var(--text-light); }

  /* Stats */
  .stats-bar {
    background: #EDF3F8; border-radius: var(--radius-lg);
    padding: 40px 48px; display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 32px; margin-top: -56px; position: relative; z-index: 3;
    box-shadow: var(--shadow-md);
  }
  .stat-item { text-align: center; }
  .stat-item .num { font-size: 32px; font-weight: 800; color: var(--primary); }
  .stat-item .label { font-size: 13px; color: var(--text-light); margin-top: 4px; }

  /* Features */
  .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 32px 28px;
    box-shadow: var(--shadow-md); transition: all .3s ease;
  }
  .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
  .feature-icon {
    width: 52px; height: 52px; border-radius: 12px;
    background: var(--primary-light); display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px; color: var(--primary); font-size: 22px;
  }
  .feature-card h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
  .feature-card p { font-size: 14px; line-height: 1.7; color: var(--text-light); }
  .feature-banner {
    grid-column: span 3; display: grid; grid-template-columns: 1fr auto; align-items: center;
    background: linear-gradient(135deg, #EAF3FA 0%, #F7FAFC 100%);
    border: 1px solid #DCE8F0; border-radius: var(--radius-lg);
    padding: 36px 40px; margin-top: 24px;
    gap: 24px;
  }
  .feature-banner h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
  .feature-banner p { font-size: 14px; color: var(--text-light); }

  /* Scenarios */
  .scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .scenario-visual { position: relative; }
  .scenario-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
  .scenario-float {
    position: absolute; bottom: -20px; right: -20px;
    background: #fff; border-radius: var(--radius-md); padding: 16px 20px;
    box-shadow: var(--shadow-hover); border: 1px solid var(--border);
    font-size: 13px; color: var(--text-body);
  }
  .scenario-float strong { color: var(--primary); font-size: 22px; display: block; }
  .scenario-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .scenario-item {
    background: #F1F6FA; border-radius: var(--radius-md);
    padding: 24px; transition: box-shadow .3s ease;
    border-left: 3px solid transparent;
  }
  .scenario-item:hover { border-left-color: var(--primary); box-shadow: var(--shadow-md); }
  .scenario-item h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
  .scenario-item p { font-size: 13px; line-height: 1.6; color: var(--text-light); }
  .scenario-item i { color: var(--primary); font-size: 18px; margin-bottom: 12px; display: block; }

  /* News / CMS */
  .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .news-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-md); transition: all .3s ease;
    display: flex; flex-direction: column;
  }
  .news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .news-card-link { display: flex; flex-direction: column; flex: 1; padding: 24px; }
  .news-badge {
    display: inline-block; background: var(--primary-light); color: var(--primary);
    font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px;
    margin-bottom: 14px; align-self: flex-start;
  }
  .news-card h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-card p { font-size: 14px; line-height: 1.6; color: var(--text-light); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-meta {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: auto; padding-top: 12px; border-top: 1px solid #F0F4F8;
    font-size: 12px; color: var(--text-light);
  }
  .news-meta .read-more { color: var(--primary); font-weight: 600; }
  .news-meta .read-more i { font-size: 11px; margin-left: 4px; transition: transform .2s ease; }
  .news-card:hover .read-more i { transform: translateX(4px); }
  .news-empty {
    grid-column: 1 / -1;
    border: 2px dashed #B8CCDC; border-radius: var(--radius-md);
    background: #F9FCFE; padding: 60px 24px; text-align: center;
    color: var(--text-light); font-size: 15px;
  }
  .news-empty i { font-size: 40px; color: #B8CCDC; display: block; margin-bottom: 16px; }
  .news-update-tip { font-size: 12px; color: #A0B2C0; text-align: center; margin-top: 20px; }

  /* Schedule / Timeline */
  .schedule-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
  .schedule-grid::before {
    content: ''; position: absolute; top: 24px; left: 8%; right: 8%;
    height: 2px; background: linear-gradient(90deg, #B8CCDC, #2E7EB6, #E8873A);
    border-radius: 2px; z-index: 0;
  }
  .schedule-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 28px 20px;
    text-align: center; position: relative; z-index: 1;
    box-shadow: var(--shadow-md); transition: all .3s ease;
  }
  .schedule-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .schedule-dot {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: #fff; font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; border: 4px solid #fff; box-shadow: 0 2px 10px rgba(20,60,100,0.15);
  }
  .schedule-item:nth-child(4) .schedule-dot { background: var(--accent); }
  .schedule-item h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
  .schedule-item p { font-size: 13px; color: var(--text-light); }

  /* Cases */
  .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .case-card {
    background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-md); border: 1px solid var(--border);
    transition: all .3s ease;
  }
  .case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .case-img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s ease; }
  .case-card:hover .case-img { transform: scale(1.04); }
  .case-body { padding: 24px; }
  .case-body h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
  .case-body .case-industry { font-size: 12px; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
  .case-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

  /* Pricing */
  .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
  .price-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 36px 32px;
    box-shadow: var(--shadow-md); transition: all .3s ease;
    position: relative; display: flex; flex-direction: column;
  }
  .price-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .price-card.recommended {
    background: linear-gradient(160deg, #0F4A73 0%, #1B6D9E 100%);
    border-color: transparent; color: #fff; padding-top: 48px; padding-bottom: 48px;
    box-shadow: 0 20px 50px -12px rgba(15,74,115,0.35);
  }
  .price-card.recommended .price-name,
  .price-card.recommended .price-amount,
  .price-card.recommended .price-period,
  .price-card.recommended .price-feature { color: #fff; }
  .price-card.recommended .price-feature li { border-color: rgba(255,255,255,0.15); }
  .price-card.recommended .price-feature i { color: #BDE0F5; }
  .price-recommend-tag {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
    padding: 4px 18px; border-radius: 999px; white-space: nowrap;
    box-shadow: 0 4px 12px rgba(232,135,58,0.3);
  }
  .price-name { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
  .price-amount { font-size: 42px; font-weight: 800; color: var(--text-dark); line-height: 1.2; margin-bottom: 4px; }
  .price-amount small { font-size: 16px; font-weight: 500; color: var(--text-light); }
  .price-card.recommended .price-amount small { color: #BDE0F5; }
  .price-period { font-size: 13px; color: var(--text-light); margin-bottom: 24px; }
  .price-feature { list-style: none; margin-bottom: 28px; flex: 1; }
  .price-feature li {
    padding: 10px 0; font-size: 14px; color: var(--text-body);
    border-bottom: 1px solid #F0F4F8; display: flex; align-items: center; gap: 10px;
  }
  .price-feature i { color: var(--primary); font-size: 13px; width: 16px; text-align: center; }
  .price-card.recommended .price-feature li:last-child { border-bottom-color: rgba(255,255,255,0.15); }

  /* FAQ */
  .faq-wrap { max-width: 800px; margin: 0 auto; }
  .faq-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); margin-bottom: 16px; overflow: hidden;
    transition: box-shadow .3s ease;
  }
  .faq-item:hover { box-shadow: var(--shadow-md); }
  .faq-question {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 700;
    color: var(--text-dark); background: none; border: none; width: 100%; text-align: left;
  }
  .faq-question i { font-size: 14px; color: var(--primary); transition: transform .3s ease; }
  .faq-item.active .faq-question i { transform: rotate(180deg); }
  .faq-answer {
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
    padding: 0 24px; font-size: 15px; line-height: 1.7; color: var(--text-light);
  }
  .faq-item.active .faq-answer { max-height: 400px; padding-bottom: 20px; }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, #0F4A73 0%, #2E7EB6 100%);
    border-radius: var(--radius-lg); padding: 72px 48px;
    text-align: center; position: relative; overflow: hidden;
  }
  .cta-section::before {
    content: ''; position: absolute; top: -40px; right: -40px;
    width: 200px; height: 200px; border-radius: 50%;
    background: rgba(255,255,255,0.06);
  }
  .cta-section::after {
    content: ''; position: absolute; bottom: -60px; left: -20px;
    width: 240px; height: 240px; border-radius: 50%;
    background: rgba(255,255,255,0.04);
  }
  .cta-section h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 14px; position: relative; z-index: 1; }
  .cta-section p { font-size: 17px; color: #BDE0F5; margin-bottom: 32px; position: relative; z-index: 1; }
  .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
  .cta-actions .btn { padding: 14px 36px; font-size: 16px; }

  /* Footer */
  .site-footer { background: #16283A; color: #C9D4DE; padding-top: 64px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
  .footer-brand .logo-text { color: #fff; }
  .footer-brand .logo-sub { color: #6B8596; }
  .footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; color: #A8BCCB; max-width: 280px; }
  .footer-social { display: flex; gap: 12px; margin-top: 20px; }
  .footer-social a {
    width: 36px; height: 36px; border-radius: 8px;
    background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
    color: #C9D4DE; font-size: 15px; transition: all .25s ease;
  }
  .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
  .footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; }
  .footer-links { list-style: none; }
  .footer-links li { margin-bottom: 10px; }
  .footer-links a { font-size: 14px; color: #A8BCCB; transition: color .2s ease; }
  .footer-links a:hover { color: #fff; }
  .footer-links-two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
  .footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 14px; color: #A8BCCB; }
  .footer-contact i { color: var(--primary); margin-top: 4px; width: 16px; text-align: center; }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0; text-align: center;
    font-size: 13px; color: #6B8596;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .section { padding: 72px 0; }
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { max-width: 480px; }
    .hero { padding: 60px 0 100px; }
    .stats-bar { grid-template-columns: repeat(4, 1fr); padding: 32px; margin-top: -50px; }
    .feature-banner { grid-column: span 1; grid-template-columns: 1fr; }
    .schedule-grid::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .section { padding: 56px 0; }
    .nav-left, .nav-right { display: none; }
    .nav-toggle { display: block; }
    .logo { position: relative; left: auto; transform: none; }
    .header-inner { justify-content: space-between; }
    .hero h1 { font-size: 28px; line-height: 1.4; }
    .hero-desc { font-size: 16px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 28px 20px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-banner { grid-template-columns: 1fr; padding: 28px 24px; }
    .scenario-grid { grid-template-columns: 1fr; gap: 48px; }
    .scenario-list { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .schedule-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .case-grid { grid-template-columns: 1fr; }
    .price-grid { grid-template-columns: 1fr; }
    .price-card.recommended { order: -1; }
    .cta-section { padding: 48px 24px; }
    .cta-section h2 { font-size: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-trust { gap: 16px; }
  }
  @media (max-width: 520px) {
    .container { padding: 0 16px; }
    .schedule-grid { grid-template-columns: 1fr; }
    .hero-actions .btn { width: 100%; }
    .stats-bar { grid-template-columns: 1fr 1fr; gap: 16px; }
  }

/* roulang page: category1 */
:root {
            --primary: #2E7EB6;
            --primary-dark: #0F4A73;
            --primary-light: #EAF3FA;
            --accent: #E8873A;
            --text: #1A2B3C;
            --text-light: #5A6B7A;
            --bg: #F7FAFC;
            --card: #FFFFFF;
            --border: #E6EEF5;
            --shadow: 0 10px 30px -12px rgba(20, 60, 100, 0.12);
            --shadow-hover: 0 16px 40px -12px rgba(20, 60, 100, 0.2);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 6px;
            --radius-tag: 999px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 76px;
            background: rgba(255, 255, 255, 0.95);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 16px rgba(20, 60, 100, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            color: #3A4A5A;
            font-weight: 400;
            transition: color .25s;
            position: relative;
            padding: 8px 0;
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo-sub {
            font-size: 12px;
            letter-spacing: 2px;
            color: var(--text-light);
            font-weight: 400;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 16px;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-ghost-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }
        .section {
            padding: 96px 0;
        }
        .section-light {
            background: #F1F6FA;
        }
        .section-dark {
            background: #16283A;
            color: #fff;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 3px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-dark .section-head p {
            color: #C9D4DE;
        }
        .hero {
            padding: 150px 0 60px;
            background: linear-gradient(135deg, #EAF3FA 0%, #F7FAFC 60%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(46, 126, 182, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FDF1E8;
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 18px;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-light);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .countdown {
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow);
            max-width: 440px;
        }
        .countdown-label {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .countdown-box {
            display: flex;
            align-items: baseline;
            gap: 4px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }
        .countdown-box span {
            background: var(--primary-light);
            border-radius: 6px;
            padding: 2px 8px;
            min-width: 36px;
            text-align: center;
            font-size: 20px;
            color: var(--primary-dark);
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            width: 100%;
            height: auto;
            max-height: 420px;
            object-fit: cover;
        }
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            background: #EDF3F8;
            border-radius: var(--radius-lg);
            padding: 28px 40px;
            margin-top: 48px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--primary-light);
            border: 1px solid rgba(46, 126, 182, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .h-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            -webkit-overflow-scrolling: touch;
        }
        .h-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .h-scroll::-webkit-scrollbar-thumb {
            background: #B8CCDC;
            border-radius: 8px;
        }
        .event-card {
            min-width: 280px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .event-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .event-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .event-body {
            padding: 20px;
        }
        .event-body .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .event-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .event-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .timeline {
            position: relative;
            padding-left: 32px;
            max-width: 720px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: #D5E4F0;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 4px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid #D5E4F0;
        }
        .timeline-item.phase-2::before {
            background: var(--accent);
        }
        .timeline-item.phase-3::before {
            background: #6B8DB5;
        }
        .timeline-item.phase-4::before {
            background: #D9A441;
        }
        .timeline-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .timeline-date i {
            font-size: 12px;
        }
        .timeline-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .ranking-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .ranking-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            font-size: 14px;
        }
        .ranking-table thead th {
            background: rgba(46, 126, 182, 0.35);
            color: #fff;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            font-size: 13px;
            letter-spacing: 0.5px;
        }
        .ranking-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: #E6EEF5;
        }
        .ranking-table tbody tr:last-child td {
            border-bottom: none;
        }
        .ranking-table tbody tr:nth-child(even) {
            background: rgba(255, 255, 255, 0.04);
        }
        .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(46, 126, 182, 0.4);
            color: #fff;
            font-weight: 700;
            font-size: 13px;
        }
        .rank-num.top {
            background: var(--accent);
        }
        .status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
        }
        .status-live {
            background: rgba(46, 182, 92, 0.2);
            color: #7BD88F;
        }
        .status-live::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #7BD88F;
            border-radius: 50%;
        }
        .status-soon {
            background: rgba(232, 135, 58, 0.2);
            color: #F3A86B;
        }
        .status-soon::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #F3A86B;
            border-radius: 50%;
        }
        .status-signup {
            background: rgba(46, 126, 182, 0.2);
            color: #8CB9DD;
        }
        .status-signup::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #8CB9DD;
            border-radius: 50%;
        }
        .status-end {
            background: rgba(255, 255, 255, 0.15);
            color: #A9B8C5;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: box-shadow .3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            user-select: none;
        }
        .faq-question i {
            transition: transform .3s ease;
            color: var(--primary);
            font-size: 14px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
        }
        .cta {
            background: linear-gradient(135deg, #2E7EB6 0%, #0F4A73 100%);
            color: #fff;
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
        }
        .cta .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .site-footer {
            background: #16283A;
            color: #C9D4DE;
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand p {
            margin-top: 16px;
            line-height: 1.7;
            color: #A9B8C5;
            max-width: 340px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #C9D4DE;
            font-size: 16px;
            transition: all .3s ease;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links-two {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #A9B8C5;
            transition: color .3s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #7E93A6;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #B8CCDC;
        }
        .breadcrumb .current {
            color: var(--text-light);
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            margin-top: 32px;
            transition: gap .3s;
        }
        .back-link:hover {
            gap: 12px;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                max-width: 600px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                box-shadow: var(--shadow);
                border-top: 1px solid var(--border);
                align-items: flex-start;
            }
            .nav-left {
                top: 76px;
            }
            .nav-right {
                top: auto;
                border-top: none;
            }
            .nav-left.nav-open,
            .nav-right.nav-open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid #F0F4F8;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: flex-end;
            }
            .logo {
                left: 24px;
                transform: none;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 24px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline-item::before {
                left: -28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                padding-top: 120px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .countdown {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
  --primary: #2E7EB6;
  --primary-dark: #266E9E;
  --primary-light: #EAF3FA;
  --accent: #E8873A;
  --accent-light: #FDF1E8;
  --dark: #1A2B3C;
  --text: #3A4A5A;
  --text-light: #5A6B7A;
  --border: #E6EEF5;
  --bg: #F7FAFC;
  --card-bg: #FFFFFF;
  --footer-bg: #16283A;
  --footer-text: #C9D4DE;
  --shadow: 0 10px 30px -12px rgba(20, 60, 100, 0.12);
  --shadow-hover: 0 16px 40px -12px rgba(20, 60, 100, 0.2);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 6px;
  --radius-pill: 999px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
button, input {
  font-family: inherit;
  border: none;
  outline: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 300;
  width: 0;
  transition: width .1s ease;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(20, 60, 100, 0.08);
  height: 76px;
  display: flex;
  align-items: center;
}
.header-inner {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: relative;
}
.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-right {
  justify-content: flex-end;
}
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
}
.logo-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--text-light);
  text-transform: uppercase;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 4px;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  background: none;
  font-size: 22px;
  color: var(--dark);
  cursor: pointer;
  padding: 8px;
}

/* ========== Mobile Nav ========== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 199;
  height: 100vh;
  background: #fff;
  padding: 88px 24px 24px;
  flex-direction: column;
  box-shadow: var(--shadow);
  overflow-y: auto;
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav-link {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
}
.mobile-cta {
  margin-top: 24px;
  justify-content: center;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .25s ease;
  border: 1.5px solid transparent;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(46, 126, 182, 0.25);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--primary);
}
.btn-white:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ========== Article Hero ========== */
.article-hero {
  background: linear-gradient(135deg, rgba(234, 243, 250, 0.92) 0%, rgba(247, 250, 252, 0.96) 60%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 56px 0 48px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 40%, rgba(46, 126, 182, 0.06) 0, transparent 40%), radial-gradient(circle at 85% 65%, rgba(232, 135, 58, 0.05) 0, transparent 35%);
  pointer-events: none;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.breadcrumb a {
  color: var(--text-light);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border);
}
.breadcrumb .current {
  color: var(--dark);
  font-weight: 500;
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-header {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.article-header h1 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-light);
  margin-top: 20px;
}
.article-meta i {
  color: var(--primary);
  margin-right: 6px;
}

/* ========== Article Body ========== */
.article-section {
  padding: 56px 0 72px;
}
.article-body-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}
.article-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 24px 0 12px;
}
.article-content p {
  margin-bottom: 16px;
}
.article-content ul,
.article-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}
.article-content ul li {
  margin-bottom: 8px;
  position: relative;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.article-content ol li {
  margin-bottom: 8px;
}
.article-content ol li::marker {
  color: var(--primary);
  font-weight: 700;
}
.article-content blockquote {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: var(--text);
}
.article-content blockquote p {
  margin-bottom: 0;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-content a:hover {
  color: var(--primary-dark);
}
.article-content table {
  width: 100%;
  font-size: 14px;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
}
.article-content table th {
  background: var(--primary-light);
  font-weight: 700;
  color: var(--dark);
  padding: 12px 16px;
  text-align: left;
}
.article-content table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.article-content table tr:nth-child(even) {
  background: #F9FCFE;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.article-content code {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ========== Article Tags ========== */
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: all .2s ease;
  cursor: default;
}
.tag:hover {
  background: var(--primary);
  color: #fff;
}

/* ========== Back Link ========== */
.back-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: all .2s ease;
}
.back-link:hover {
  color: var(--primary-dark);
  transform: translateX(-4px);
}

/* ========== Article Pager ========== */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 48px auto 0;
}
.pager-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.pager-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.pager-card.next {
  text-align: right;
  align-items: flex-end;
}
.pager-label {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pager-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pager-card:hover .pager-title {
  color: var(--primary);
}

/* ========== Related Section ========== */
.related-section {
  background: #fff;
  padding: 72px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 48px;
}
.section-head .eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
  display: block;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.related-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card .related-img {
  overflow: hidden;
}
.related-card .related-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-img img {
  transform: scale(1.03);
}
.related-info {
  padding: 16px 20px 20px;
}
.related-info .badge {
  font-size: 12px;
  padding: 4px 12px;
  margin-bottom: 10px;
}
.related-info h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-top: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info h3 a:hover {
  color: var(--primary);
}
.related-date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 8px;
  display: block;
}

/* ========== CTA Section ========== */
.cta-section {
  background: linear-gradient(135deg, rgba(46, 126, 182, 0.95), rgba(15, 74, 115, 0.97)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -80px;
  right: -80px;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  bottom: -60px;
  left: 10%;
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  font-size: 32px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Empty State ========== */
.article-empty-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.article-empty {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 56px 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border);
}
.article-empty i {
  font-size: 48px;
  color: var(--border);
  margin-bottom: 20px;
}
.article-empty h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.article-empty p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 24px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo {
  position: static;
  transform: none;
  align-items: flex-start;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-sub {
  color: rgba(255, 255, 255, 0.6);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin: 16px 0 24px;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  transition: all .3s ease;
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: all .2s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 14px;
}
.footer-contact i {
  color: var(--primary);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .site-header {
    height: 64px;
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav-left,
  .nav-right {
    display: none;
  }
  .logo {
    position: static;
    transform: none;
    order: 2;
    margin: 0 auto;
  }
  .logo-text {
    font-size: 20px;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    order: 1;
    background: var(--bg);
    border-radius: 8px;
  }
  .article-hero {
    padding: 40px 0 32px;
  }
  .article-header h1 {
    font-size: 26px;
    line-height: 1.4;
  }
  .article-meta {
    gap: 12px;
    font-size: 13px;
  }
  .article-pager {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .cta-section {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
}
@media (max-width: 520px) {
  .article-body-wrap {
    padding: 0 4px;
  }
  .article-header h1 {
    font-size: 22px;
  }
  .article-meta {
    flex-direction: column;
    gap: 8px;
  }
  .breadcrumb {
    font-size: 12px;
  }
  .breadcrumb .current {
    max-width: 180px;
  }
  .pager-card {
    padding: 16px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
  .footer-links-two {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* roulang page: category2 */
:root {
    --brand: #2E7EB6;
    --brand-dark: #266E9E;
    --brand-light: #EAF3FA;
    --brand-alt: #0F4A73;
    --accent: #E8873A;
    --text-primary: #1A2B3C;
    --text-secondary: #3A4A5A;
    --text-muted: #5A6B7A;
    --border: #E6EEF5;
    --bg-body: #F7FAFC;
    --bg-card: #FFFFFF;
    --shadow: 0 10px 30px -12px rgba(20, 60, 100, 0.12);
    --shadow-hover: 0 16px 40px -12px rgba(20, 60, 100, 0.2);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-btn: 6px;
    --radius-pill: 999px;
    --container-width: 1200px;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  }

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

  body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  button { font-family: inherit; cursor: pointer; }
  ul, ol { list-style: none; }

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

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 76px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(20,60,100,0.08);
  }

  .header-inner {
    position: relative;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
    position: relative;
    padding-bottom: 4px;
  }

  .nav-link:hover {
    color: var(--brand);
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--brand);
    transition: width 0.2s ease;
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  .nav-link.active {
    color: var(--brand);
    font-weight: 700;
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    flex-direction: column;
    line-height: 1.1;
    text-align: center;
    z-index: 10;
  }

  .logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--brand);
    letter-spacing: 1px;
  }

  .logo-sub {
    font-size: 10px;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    font-size: 18px;
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
  }

  .nav-toggle:hover {
    border-color: var(--brand);
    color: var(--brand);
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: all 0.2s ease;
    border: 1.5px solid transparent;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--brand);
    color: #fff;
    padding: 10px 20px;
    font-size: 15px;
  }

  .btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -8px rgba(46,126,182,0.5);
  }

  .btn-sm {
    padding: 8px 16px;
    font-size: 13px;
  }

  .btn-outline {
    background: transparent;
    border-color: var(--brand);
    color: var(--brand);
    padding: 10px 20px;
    font-size: 15px;
  }

  .btn-outline:hover {
    background: rgba(46,126,182,0.05);
    transform: translateY(-2px);
  }

  .btn-light {
    background: #fff;
    color: var(--brand);
    padding: 14px 28px;
    font-size: 16px;
  }

  .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -8px rgba(255,255,255,0.4);
  }

  .btn-outline-light {
    background: transparent;
    border-color: #fff;
    color: #fff;
    padding: 14px 28px;
    font-size: 16px;
  }

  .btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
  }

  /* Hero */
  .page-hero {
    background: linear-gradient(135deg, var(--brand-light) 0%, var(--bg-body) 60%);
    padding: 56px 0 48px;
    border-bottom: 1px solid var(--border);
  }

  .breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
  }

  .breadcrumb a {
    color: var(--brand);
    transition: color 0.2s ease;
  }

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

  .page-hero h1 {
    font-size: 32px;
    line-height: 44px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
  }

  .page-hero p {
    font-size: 16px;
    line-height: 28px;
    color: var(--text-muted);
    max-width: 560px;
  }

  /* Section */
  .section {
    padding: 72px 0;
  }

  .section-alt {
    background: var(--brand-light);
  }

  .section-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .section-header .eyebrow {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--brand);
    font-weight: 600;
    margin-bottom: 8px;
  }

  .section-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
  }

  .section-header p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
  }

  /* Cards */
  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
    transition: all 0.3s ease;
  }

  .card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--brand-light);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
  }

  .card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
  }

  .card p {
    font-size: 14px;
    line-height: 26px;
    color: var(--text-muted);
  }

  /* Info Card */
  .info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    transition: all 0.3s ease;
    overflow: hidden;
  }

  .info-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .info-card img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .info-card-body {
    flex: 1;
    min-width: 0;
  }

  .info-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
    transition: color 0.2s ease;
  }

  .info-card:hover .info-card-body h3 {
    color: var(--brand);
  }

  .info-card-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 24px;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .info-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
    background: var(--brand-light);
    color: var(--brand);
  }

  /* Scene Cards */
  .scene-card {
    background: #F1F6FA;
    border-radius: var(--radius);
    padding: 24px;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
  }

  .scene-card:hover {
    border-left-color: var(--brand);
    background: #EAF3FA;
  }

  .scene-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .scene-card p {
    font-size: 14px;
    line-height: 26px;
    color: var(--text-muted);
  }

  /* Steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .step-item {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
  }

  .step-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .step-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 22px;
  }

  /* FAQ */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    color: var(--text-primary);
    transition: color 0.2s ease;
  }

  .faq-question i {
    color: var(--brand);
    transition: transform 0.2s ease;
    font-size: 14px;
  }

  .faq-item.open .faq-question i {
    transform: rotate(180deg);
  }

  .faq-answer {
    padding: 0 20px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }

  .faq-item.open .faq-answer {
    padding: 0 20px 20px;
    max-height: 300px;
  }

  .faq-answer p {
    font-size: 15px;
    line-height: 26px;
    color: var(--text-muted);
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-alt) 100%);
    padding: 72px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M60 0c10 10 20 10 30 0 10 10 20 10 30 0 0 20 10 30 0 40-10-10-20-10-30 0-10-10-20-10-30 0-10 10-20 10-30 0 0-20-10-30 0-40z' fill='%23ffffff' fill-opacity='0.04'/%3E%3C/svg%3E");
    background-size: 120px;
  }

  .cta-section .container {
    position: relative;
    z-index: 1;
  }

  .cta-section h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
  }

  .cta-section p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
  }

  .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }

  /* Pagination */
  .pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 32px;
  }

  .pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
  }

  .pagination a.current {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
  }

  .pagination a:hover {
    border-color: var(--brand);
    color: var(--brand);
  }

  /* Footer */
  .site-footer {
    background: #16283A;
    color: #C9D4DE;
    padding: 64px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .footer-brand .logo {
    position: static;
    transform: none;
    align-items: flex-start;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 26px;
    color: #9AA8B4;
    margin-bottom: 20px;
  }

  .footer-social {
    display: flex;
    gap: 12px;
  }

  .footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #C9D4DE;
    transition: all 0.2s ease;
  }

  .footer-social a:hover {
    background: var(--brand);
    color: #fff;
  }

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

  .footer-links-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: #9AA8B4;
    transition: color 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--brand);
  }

  .footer-contact li {
    font-size: 14px;
    color: #9AA8B4;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .footer-contact i {
    color: var(--brand);
    width: 16px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    font-size: 13px;
    color: #7A8A99;
    text-align: center;
  }

  /* Responsive */
  @media (max-width: 768px) {
    .site-header {
      height: 64px;
    }
    .header-inner {
      height: 64px;
    }
    .nav-left, .nav-right {
      display: none;
    }
    .nav-toggle {
      display: flex;
      margin-left: auto;
    }
    .logo {
      left: 50%;
      transform: translateX(-50%);
    }
    .logo-text {
      font-size: 20px;
    }
    .page-hero {
      padding: 40px 0 32px;
    }
    .page-hero h1 {
      font-size: 26px;
      line-height: 36px;
    }
    .section {
      padding: 56px 0;
    }
    .steps-grid {
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .footer-links-two {
      grid-template-columns: 1fr;
    }
    .info-card {
      flex-direction: column;
      align-items: flex-start;
    }
    .info-card img {
      width: 100%;
      height: auto;
      aspect-ratio: 16/10;
    }
  }

  @media (min-width: 769px) and (max-width: 1024px) {
    .steps-grid {
      grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  /* Focus visible */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  /* Mobile drawer menu */
  .nav-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 200;
    padding: 24px;
    flex-direction: column;
  }

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

  .nav-drawer .drawer-header {
    display: flex;
    justify-content: flex-end;
  }

  .nav-drawer .drawer-close {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    font-size: 20px;
    color: var(--text-secondary);
  }

  .nav-drawer a {
    font-size: 18px;
    font-weight: 600;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
  }

  .nav-drawer a:hover {
    color: var(--brand);
  }