/* roulang page: index */
:root {
  --brand: #2563eb;
  --brand-deep: #1e40af;
  --brand-soft: #eff6ff;
  --gold: #d97706;
  --gold-soft: #fef3c7;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --bg-body: #f8fafc;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.05);
  --shadow-md: 0 4px 20px rgba(15,23,42,.07);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* Sidebar */
.sidebar {
  width: 272px;
  background: #fff;
  border-right: 1px solid var(--border);
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  padding: 32px 24px 24px;
  border-bottom: 1px solid var(--border);
}
.sidebar-nav { padding: 20px 16px; flex: 1; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: all .2s ease;
}
.sidebar-nav a i { width: 20px; text-align: center; font-size: 15px; color: var(--text-muted); }
.sidebar-nav a:hover { background: var(--brand-soft); color: var(--brand-deep); }
.sidebar-nav a:hover i { color: var(--brand); }
.sidebar-nav a.active { background: var(--brand-deep); color: #fff; }
.sidebar-nav a.active i { color: rgba(255,255,255,.85); }
.sidebar-contact {
  padding: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.sidebar-contact .label { display: block; font-size: 12px; letter-spacing: .08em; color: var(--text-muted); margin-bottom: 8px; }

/* Mobile header */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 60;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

/* Mobile drawer */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.4);
  z-index: 70;
  opacity: 0;
  visibility: hidden;
  transition: all .25s;
}
.mobile-overlay.show { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 280px;
  background: #fff;
  z-index: 80;
  transform: translateX(-100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}
.mobile-drawer.show { transform: translateX(0); }
.mobile-drawer a { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 500; display: flex; gap: 12px; align-items: center; }
.mobile-drawer a.active { background: var(--brand-deep); color: #fff; }

/* Main content */
.main-wrap { margin-left: 272px; }
.section { padding: 72px 0; }
.container-inner { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* Section heading */
.sec-head { margin-bottom: 44px; }
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.sec-title { font-size: 30px; line-height: 1.3; font-weight: 700; color: var(--text-main); letter-spacing: -.01em; }
.sec-desc { font-size: 15px; color: var(--text-muted); max-width: 660px; margin-top: 10px; }

/* Cards */
.card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(37,99,235,.1), 0 4px 12px rgba(15,23,42,.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all .22s ease;
  cursor: pointer;
  border: none;
  line-height: 1.2;
}
.btn-primary { background: var(--brand-deep); color: #fff; box-shadow: 0 4px 14px rgba(30,64,175,.25); }
.btn-primary:hover { background: #1c3d9e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30,64,175,.3); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(30,64,175,.2); }
.btn-light { background: #fff; color: var(--brand-deep); border: 1px solid var(--border); box-shadow: 0 1px 3px rgba(15,23,42,.05); }
.btn-light:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(15,23,42,.07); }
.btn-gold { background: linear-gradient(135deg,#f59e0b,#d97706); color: #fff; box-shadow: 0 4px 16px rgba(217,119,6,.3); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217,119,6,.35); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-blue {
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.badge-gold {
  background: var(--gold-soft);
  color: var(--gold);
}
.badge-green { background: #ecfdf5; color: #059669; }

/* Hero */
.hero-band {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 60%;
  min-height: 460px;
  display: flex;
  align-items: center;
}
.hero-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 55%, rgba(239,246,255,.6) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 700px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(226,232,240,.9);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}
.hero-title { font-size: 40px; line-height: 1.25; font-weight: 800; color: var(--text-main); letter-spacing: -.015em; }
.hero-title span { color: var(--brand); }
.hero-desc { font-size: 16px; line-height: 1.8; color: var(--text-body); margin: 20px 0 30px; max-width: 620px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px; margin-top: 40px; }
.hero-stat { text-align: left; }
.hero-stat strong { display: block; font-size: 26px; font-weight: 800; color: var(--text-main); line-height: 1.2; }
.hero-stat span { font-size: 13px; color: var(--text-muted); }

/* Coupon grid */
.coupon-card {
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--brand);
}
.coupon-card .coupon-flag {
  position: absolute;
  top: 18px; right: -36px;
  transform: rotate(38deg);
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 46px;
  letter-spacing: .05em;
}
.coupon-price { font-size: 32px; font-weight: 800; color: var(--brand-deep); line-height: 1.1; }
.coupon-price small { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.coupon-body { padding: 28px 24px; }
.coupon-feature-list li { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--text-body); }
.coupon-feature-list li i { color: var(--brand); margin-top: 3px; font-size: 13px; }

/* Steps */
.step-card {
  position: relative;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--brand-deep);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(30,64,175,.25);
}
.step-title { font-size: 17px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.step-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Topic cards */
.topic-card { overflow: hidden; }
.topic-img { height: 200px; overflow: hidden; position: relative; }
.topic-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.topic-card:hover .topic-img img { transform: scale(1.05); }
.topic-cover-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-deep);
  box-shadow: var(--shadow-sm);
}
.topic-body { padding: 24px; }
.topic-title { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.topic-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Stats */
.stats-panel {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 60%, #2563eb 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  box-shadow: 0 20px 60px rgba(30,64,175,.25);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 20px 12px; border-radius: var(--radius-md); background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.stat-item .num { font-size: 32px; font-weight: 800; line-height: 1.2; }
.stat-item .lbl { font-size: 13px; opacity: .85; margin-top: 6px; }

/* News */
.news-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  transition: all .2s;
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item .nl-title { font-size: 15px; font-weight: 600; color: var(--text-main); transition: color .2s; }
.news-list-item:hover .nl-title { color: var(--brand); }
.news-list-item .nl-meta { font-size: 13px; color: var(--text-muted); white-space: nowrap; display: flex; align-items: center; gap: 12px; }
.news-tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--brand-soft); color: var(--brand-deep); }

.news-side-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); }
.news-side-card h4 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 14px; }
.news-side-list li { padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; color: var(--text-body); display: flex; gap: 10px; }
.news-side-list li:last-child { border-bottom: none; }
.news-side-list li i { color: var(--brand); margin-top: 3px; font-size: 13px; }

/* FAQ */
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item:has(summary.open) { box-shadow: var(--shadow-md); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: transform .25s ease, background .25s ease;
}
.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--brand-deep);
  color: #fff;
}
.faq-answer { padding: 0 24px 22px; font-size: 14px; color: var(--text-muted); line-height: 1.85; }

/* Reviews */
.review-summary { text-align: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 32px 20px; box-shadow: var(--shadow-sm); }
.review-score { font-size: 56px; font-weight: 800; color: var(--text-main); line-height: 1; }
.review-stars { color: #f59e0b; font-size: 15px; margin-top: 8px; }
.review-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); }
.review-card .rv-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-deep); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.review-name { font-size: 14px; font-weight: 700; color: var(--text-main); }
.review-tag { font-size: 12px; color: var(--text-muted); }
.review-text { font-size: 14px; color: var(--text-body); line-height: 1.8; }

/* CTA */
.cta-band {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 72px 56px;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,33,77,.92) 0%, rgba(30,64,175,.85) 60%, rgba(37,99,235,.7) 100%);
}
.cta-inner { position: relative; z-index: 2; max-width: 620px; }

/* Footer */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 56px 0 32px;
  margin-top: 40px;
}
.footer-brand { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-desc { font-size: 14px; line-height: 1.7; max-width: 420px; }
.footer-link-title { font-size: 14px; font-weight: 700; color: #e2e8f0; margin-bottom: 16px; }
.footer-links li { padding: 6px 0; }
.footer-links a { font-size: 14px; color: #94a3b8; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(148,163,184,.15); margin-top: 40px; padding-top: 24px; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* Back to top */
.to-top {
  position: fixed;
  right: 28px; bottom: 34px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--brand-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(30,64,175,.3);
  z-index: 40;
  transition: all .25s;
  opacity: 0;
  visibility: hidden;
}
.to-top.visible { opacity: 1; visibility: visible; }
.to-top:hover { background: #1c3d9e; transform: translateY(-3px); }

/* Responsive */
@media (max-width: 1024px) {
  .sidebar { display: none !important; }
  .mobile-header { display: flex; }
  .main-wrap { margin-left: 0; }
  .section { padding: 56px 0; }
  .container-inner { padding: 0 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-band { min-height: 420px; }
  .hero-title { font-size: 32px; }
  .hero-stats { gap: 20px; }
  .hero-stat strong { font-size: 22px; }
  .sec-title { font-size: 24px; }
  .cta-band { padding: 48px 28px; }
  .to-top { right: 18px; bottom: 22px; }
}

@media (max-width: 520px) {
  .container-inner { padding: 0 16px; }
  .section { padding: 44px 0; }
  .hero-band { min-height: 380px; }
  .hero-title { font-size: 27px; }
  .hero-desc { font-size: 15px; }
  .hero-ctas .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 14px; }
  .stats-grid { gap: 12px; }
  .stat-item .num { font-size: 26px; }
  .news-list-item { flex-direction: column; align-items: flex-start; }
  .news-list-item .nl-meta { align-self: flex-end; margin-top: 6px; }
}

/* roulang page: category1 */
:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --primary-lighter: #eff6ff;
    --accent: #0ea5e9;
    --success: #10b981;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --text-main: #0f172a;
    --text-muted: #5b6b82;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
    --transition: all 0.25s ease;
    --sidebar-w: 280px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
  }

  ul,
  ol {
    list-style: none;
  }

  button,
  input,
  select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
  }

  .app-shell {
    display: flex;
    min-height: 100vh;
  }

  .sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--bg-white);
    border-right: 1px solid var(--border);
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 50;
  }

  .sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 28px 20px 20px;
  }

  .sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
  }

  .brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  }

  .brand-text-block {
    display: flex;
    flex-direction: column;
  }

  .brand-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.5px;
    line-height: 1.3;
  }

  .brand-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
  }

  .sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    border: 1px solid transparent;
  }

  .sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    transition: var(--transition);
  }

  .sidebar-nav a:hover {
    background: var(--primary-lighter);
    color: var(--primary);
  }

  .sidebar-nav a:hover i {
    color: var(--primary);
  }

  .sidebar-nav a.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    border-color: transparent;
  }

  .sidebar-nav a.active i {
    color: #fff;
  }

  .sidebar-meta {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .sidebar-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }

  .page-content {
    flex: 1;
  }

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

  .container-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
    position: relative;
    z-index: 2;
  }

  .section-pad {
    padding: 80px 0;
  }

  .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-lighter);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
  }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    letter-spacing: -0.5px;
  }

  .section-subtitle {
    font-size: 15px;
    color: var(--text-muted);
    margin-top: 12px;
    line-height: 1.7;
  }

  /* Hero */
  .hero-guide {
    position: relative;
    padding: 96px 0 96px;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    isolation: isolate;
  }

  .hero-guide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 45%, rgba(15, 23, 42, 0.45) 100%);
    z-index: 1;
  }

  .hero-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.14);
    color: #e0f2fe;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    margin-bottom: 22px;
  }

  .hero-badge i {
    color: #38bdf8;
  }

  .hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
  }

  .hero-title .highlight {
    color: #60a5fa;
  }

  .hero-desc {
    font-size: 16px;
    color: rgba(226, 232, 240, 0.85);
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: 32px;
  }

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

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: #fff;
    padding: 13px 26px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--primary);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  }

  .btn-primary:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.4);
    outline-offset: 2px;
  }

  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.4);
  }

  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
  }

  .hero-form-card {
    background: #fff;
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  }

  .form-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
  }

  .form-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
  }

  .form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
  }

  .form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-main);
    background: var(--bg);
    transition: var(--transition);
  }

  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background: #fff;
  }

  .form-control::placeholder {
    color: var(--text-light);
  }

  .btn-block {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
  }

  .form-note {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }

  /* 类型卡片 */
  .types-section {
    padding: 80px 0;
    background: var(--bg-white);
  }

  .types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .type-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    transition: var(--transition);
  }

  .type-card:hover {
    background: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .type-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-lighter);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    transition: var(--transition);
  }

  .type-card:hover .type-icon {
    background: var(--primary);
    color: #fff;
  }

  .type-name {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .type-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
  }

  /* 甄选板块 */
  .select-section {
    padding: 80px 0;
    background: var(--bg);
  }

  .select-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .select-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
  }

  .select-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
  }

  .select-image .img-overlay {
    position: absolute;
    bottom: 14px;
    left: 14px;
    right: 14px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-main);
    font-weight: 500;
  }

  .select-content {
    padding-left: 8px;
  }

  .select-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 12px;
  }

  .select-desc {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 28px;
    line-height: 1.7;
  }

  .select-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .select-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

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

  .select-item-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--primary-lighter);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
  }

  .select-item-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 2px;
  }

  .select-item-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* 流程 */
  .process-section {
    padding: 80px 0;
    background: var(--bg-white);
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }

  .process-grid::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--primary-light) 100%);
    z-index: 0;
  }

  .process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 8px;
  }

  .step-number {
    width: 58px;
    height: 58px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
    border: 4px solid #fff;
  }

  .step-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
  }

  .step-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* 场景 */
  .scene-section {
    padding: 80px 0;
    background: var(--bg);
  }

  .scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .scene-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
  }

  .scene-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: transparent;
  }

  .scene-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
  }

  .scene-card-body {
    padding: 22px 20px;
  }

  .scene-name {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .scene-name i {
    color: var(--primary);
    font-size: 16px;
  }

  .scene-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
  }

  /* FAQ */
  .faq-section {
    padding: 80px 0;
    background: var(--bg-white);
  }

  .faq-container {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
    overflow: hidden;
  }

  .faq-item:hover {
    border-color: var(--primary-light);
    background: #fff;
    box-shadow: var(--shadow-sm);
  }

  .faq-item details {
    padding: 0;
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    list-style: none;
    transition: var(--transition);
  }

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

  .faq-item summary i.fa-chevron-down {
    margin-left: auto;
    color: var(--text-light);
    transition: var(--transition);
    font-size: 14px;
  }

  .faq-item details[open] summary i.fa-chevron-down {
    transform: rotate(180deg);
    color: var(--primary);
  }

  .faq-item summary .faq-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    background: var(--primary-lighter);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 22px 18px 66px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* CTA */
  .cta-section {
    padding: 80px 0 90px;
    background: var(--bg);
  }

  .cta-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    border-radius: 24px;
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }

  .cta-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }

  .cta-title {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }

  .cta-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
  }

  .cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
  }

  .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary-dark);
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  }

  .btn-white:hover {
    background: var(--primary-lighter);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  .btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: #fff;
    padding: 13px 26px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.6);
  }

  .btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: translateY(-2px);
  }

  /* Footer */
  .footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .footer-brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.7;
    max-width: 380px;
    margin-top: 6px;
  }

  .footer-link-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: #94a3b8;
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: #fff;
    padding-left: 4px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
  }

  .badge-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
  }

  .badge-green {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: #64748b;
  }

  /* 响应式 */
  @media (max-width: 1024px) {
    .sidebar {
      width: 250px;
    }

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

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

    .process-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 40px 24px;
    }

    .process-grid::before {
      display: none;
    }

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

    .select-layout {
      grid-template-columns: 1fr;
    }

    .select-image img {
      height: 300px;
    }
  }

  @media (max-width: 768px) {
    .app-shell {
      flex-direction: column;
    }

    .sidebar {
      width: 100%;
      height: auto;
      position: sticky;
      top: 0;
      border-right: none;
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(10px);
      background: rgba(255, 255, 255, 0.97);
      z-index: 100;
    }

    .sidebar-inner {
      flex-direction: row;
      align-items: center;
      padding: 12px 16px;
      gap: 12px;
    }

    .sidebar-brand {
      border-bottom: none;
      padding: 0;
      margin: 0;
      flex-shrink: 0;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      font-size: 14px;
      border-radius: 10px;
    }

    .brand-name {
      font-size: 14px;
    }

    .brand-sub {
      display: none;
    }

    .sidebar-nav {
      flex-direction: row;
      flex: 1;
      gap: 4px;
      overflow-x: auto;
      justify-content: flex-end;
      padding: 0;
    }

    .sidebar-nav a {
      padding: 8px 12px;
      font-size: 13px;
      white-space: nowrap;
      border-radius: 8px;
    }

    .sidebar-nav a i {
      font-size: 14px;
    }

    .sidebar-meta {
      display: none;
    }

    .container-hero {
      padding-left: 20px;
      padding-right: 20px;
    }

    .hero-guide {
      padding: 60px 0;
    }

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

    .hero-title {
      font-size: 30px;
    }

    .section-pad {
      padding: 56px 0;
    }

    .section-title {
      font-size: 26px;
    }

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

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

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

    .cta-card {
      padding: 40px 20px;
    }

    .cta-title {
      font-size: 26px;
    }

    .container-inner {
      padding-left: 16px;
      padding-right: 16px;
    }

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

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

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

    .sidebar-brand .brand-sub {
      display: none;
    }

    .brand-name {
      font-size: 13px;
    }

    .sidebar-nav a span {
      display: none;
    }

    .sidebar-nav a {
      padding: 8px 10px;
    }

    .sidebar-nav a i {
      font-size: 16px;
    }

    .sidebar-nav .nav-label {
      display: none !important;
    }

    .hero-actions {
      flex-direction: column;
      width: 100%;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-outline-light {
      width: 100%;
      justify-content: center;
    }

    .select-image img {
      height: 220px;
    }

    .cta-actions {
      flex-direction: column;
    }

    .cta-actions .btn-white,
    .cta-actions .btn-outline-white {
      width: 100%;
      justify-content: center;
    }
  }