/* roulang page: index */
:root {
    --brand: #2F6A8A;
    --brand-light: #EAF2F7;
    --brand-deep: #245370;
    --candy: #F2913D;
    --berry: #E4638C;
    --mint: #2FA37E;
    --warn: #C4562F;
    --bg: #F6F8FA;
    --paper: #FDFBF7;
    --card: #FFFFFF;
    --ink: #16232E;
    --body: #4A5C69;
    --mute: #7A8B97;
    --line: #E3E9EF;
    --radius-card: 16px;
    --radius-inner: 12px;
    --radius-btn: 10px;
    --shadow-sm: 0 1px 2px rgba(22,58,86,.06);
    --shadow-md: 0 8px 24px rgba(22,58,86,.07);
    --shadow-hover: 0 14px 32px rgba(22,58,86,.12);
    --section-y: 96px;
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--body);
    font-family: 'Inter', 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, h4 { color: var(--ink); letter-spacing: -0.4px; margin: 0; font-weight: 700; }
  p { margin: 0; }
  a { color: var(--brand); text-decoration: none; transition: color .18s ease, border-color .18s ease; }
  a:hover { color: var(--brand-deep); }
  img { display: block; max-width: 100%; }
  button { font-family: inherit; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  :focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

  .container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
  @media (min-width: 1280px) { .container { padding-left: 32px; padding-right: 32px; } }

  /* ---------- 导航 ---------- */
  .site-header { position: sticky; top: 0; z-index: 60; padding: 16px 16px 0; }
  .nav-panel {
    max-width: 1200px; margin: 0 auto;
    background: #fff; border-radius: 18px; box-shadow: var(--shadow-md);
    border: 1px solid rgba(227,233,239,.9);
    padding: 12px 16px;
    display: flex; align-items: center; gap: 18px;
  }
  .brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .brand-mark {
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--brand-light); border: 1px solid #D6E4EE;
    display: flex; align-items: center; justify-content: center; gap: 3px;
    flex-shrink: 0;
  }
  .brand-dot { width: 9px; height: 9px; border-radius: 999px; display: block; }
  .brand-dot.a { background: var(--candy); }
  .brand-dot.b { background: var(--berry); }
  .brand-text { display: flex; flex-direction: column; line-height: 1.25; }
  .brand-main { font-size: 16px; font-weight: 700; color: var(--ink); }
  .brand-sub { font-size: 11px; font-weight: 500; color: var(--brand); letter-spacing: .5px; }

  .nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; flex: 1; }
  .nav-item {
    display: flex; align-items: center; gap: 8px;
    height: 40px; padding: 0 12px; border-radius: 10px;
    font-size: 15px; color: var(--body); font-weight: 500;
    position: relative; transition: background .18s ease, color .18s ease, transform .18s ease;
    white-space: nowrap;
  }
  .nav-item svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--mute); transition: color .18s ease; }
  .nav-item:hover { background: #EEF3F8; color: var(--brand); transform: translateY(-1px); }
  .nav-item:hover svg { color: var(--brand); }
  .nav-item.active { background: var(--brand-light); color: var(--brand); font-weight: 600; }
  .nav-item.active svg { color: var(--brand); }
  .nav-item.active::before {
    content: ""; position: absolute; left: 0; top: 10px; bottom: 10px;
    width: 3px; border-radius: 3px; background: var(--brand);
  }
  .nav-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 0 20px; border-radius: var(--radius-btn);
    font-size: 15px; font-weight: 600; border: 1px solid transparent;
    cursor: pointer; transition: all .18s ease; white-space: nowrap;
  }
  .btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
  .btn-primary:hover { background: var(--brand-deep); color: #fff; box-shadow: var(--shadow-md); transform: translateY(-1px); }
  .btn-primary:active { transform: translateY(0); background: var(--brand-deep); }
  .btn-ghost { background: #fff; color: var(--brand); border-color: #CFE0EB; }
  .btn-ghost:hover { background: var(--brand-light); color: var(--brand-deep); border-color: var(--brand); }
  .btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
  .btn-block { width: 100%; }

  .nav-toggle {
    display: none; width: 44px; height: 44px; border-radius: 10px;
    border: 1px solid var(--line); background: #fff; align-items: center; justify-content: center;
    cursor: pointer; color: var(--ink);
  }
  .nav-drawer { display: none; }
  .mobile-only { display: none; }

  @media (max-width: 1023px) {
    .nav-links, .nav-cta { display: none; }
    .nav-toggle { display: flex; margin-left: auto; }
    .nav-panel { padding: 10px 14px; }
    .nav-drawer.open {
      display: block; position: absolute; left: 16px; right: 16px; top: calc(100% + 8px);
      background: #fff; border-radius: 18px; box-shadow: var(--shadow-hover);
      border: 1px solid var(--line); padding: 14px; z-index: 70;
    }
    .site-header { position: sticky; }
    .drawer-link {
      display: flex; align-items: center; gap: 10px;
      min-height: 48px; padding: 0 12px; border-radius: 10px;
      font-size: 15px; color: var(--body); border: 1px solid transparent;
    }
    .drawer-link svg:first-child { width: 16px; height: 16px; color: var(--mute); }
    .drawer-link .arrow { margin-left: auto; color: var(--mute); }
    .drawer-link.active { background: var(--brand-light); color: var(--brand); font-weight: 600; }
    .drawer-cta { display: flex; gap: 10px; margin-top: 12px; }
    .drawer-cta .btn { flex: 1; }
    .mobile-only { display: block; }
  }

  /* ---------- 通用板块 ---------- */
  .section { padding: var(--section-y) 0; }
  .section--paper { background: var(--paper); }
  .section--tight { padding: 64px 0; }
  .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 600; letter-spacing: 1px; color: var(--brand);
    text-transform: uppercase; margin-bottom: 12px;
  }
  .eyebrow::before { content: ""; width: 12px; height: 3px; border-radius: 3px; background: var(--brand); }
  .h2 { font-size: 28px; line-height: 1.35; }
  .section-sub { margin-top: 10px; font-size: 15px; color: var(--mute); max-width: 720px; }
  .link-more { font-size: 14px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }
  .link-more:hover { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 4px; }

  /* ---------- Hero ---------- */
  .hero { padding: 56px 0 0; }
  .hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
  @media (min-width: 1024px) { .hero-grid { grid-template-columns: 7fr 5fr; gap: 56px; } }
  .hero h1 { font-size: 30px; line-height: 1.28; }
  @media (min-width: 768px) { .hero h1 { font-size: 38px; } }
  @media (min-width: 1024px) { .hero h1 { font-size: 40px; } }
  .hero-lead { margin-top: 18px; font-size: 17px; color: var(--body); max-width: 560px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
  .tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
  .tag {
    display: inline-flex; align-items: center; gap: 6px;
    height: 32px; padding: 0 14px; border-radius: 999px;
    border: 1px solid #D6E4EE; background: #fff; color: var(--brand);
    font-size: 13px; font-weight: 500;
  }
  .tag .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--candy); }
  .hero-visual { position: relative; }
  .hero-bg-card {
    border-radius: 18px; overflow: hidden; position: relative;
    box-shadow: var(--shadow-md); border: 1px solid rgba(227,233,239,.9);
    background: #DCE9F1;
  }
  .hero-bg-card img { width: 100%; height: 300px; object-fit: cover; }
  @media (min-width: 768px) { .hero-bg-card img { height: 380px; } }
  @media (min-width: 1024px) { .hero-bg-card img { height: 420px; } }
  .hero-float {
    position: absolute; left: 18px; right: 18px; bottom: 18px;
    background: rgba(255,255,255,.96); border-radius: 14px; padding: 16px 18px;
    box-shadow: var(--shadow-md); border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
  }
  .hero-float-num { font-size: 28px; font-weight: 700; color: var(--brand); line-height: 1.1; letter-spacing: -0.5px; }
  .hero-float-label { font-size: 12px; color: var(--mute); margin-top: 2px; }
  .hero-float-divider { width: 1px; align-self: stretch; background: var(--line); }

  /* ---------- 快捷卡横条 ---------- */
  .quick-strip { padding: 40px 0 0; }
  .quick-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
  @media (min-width: 640px) { .quick-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .quick-grid { grid-template-columns: repeat(4, 1fr); } }
  .quick-card {
    display: flex; align-items: center; gap: 14px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: 18px 20px; box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    min-height: 76px;
  }
  .quick-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #CFE0EB; }
  .quick-icon {
    width: 40px; height: 40px; border-radius: 10px; background: var(--brand-light);
    display: flex; align-items: center; justify-content: center; color: var(--brand); flex-shrink: 0;
  }
  .quick-icon svg { width: 18px; height: 18px; }
  .quick-title { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.4; }
  .quick-desc { font-size: 12px; color: var(--mute); margin-top: 2px; }

  /* ---------- 对比表 ---------- */
  .table-wrap {
    background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-md);
    border: 1px solid var(--line); overflow: hidden;
  }
  .table-scroll { overflow-x: auto; }
  table.compare { width: 100%; border-collapse: collapse; min-width: 720px; }
  table.compare th, table.compare td { text-align: center; padding: 16px 18px; font-size: 15px; }
  table.compare thead th {
    background: #fff; font-weight: 600; color: var(--ink);
    border-bottom: 1px solid var(--line); padding-top: 22px; padding-bottom: 18px;
    vertical-align: bottom;
  }
  table.compare thead th:first-child { text-align: left; color: var(--body); font-size: 14px; }
  table.compare tbody td:first-child {
    text-align: left; font-weight: 600; color: var(--ink); font-size: 15px; background: #fff;
  }
  table.compare tbody tr { border-bottom: 1px solid var(--line); }
  table.compare tbody tr:last-child { border-bottom: none; }
  .col-reco { background: var(--brand-light); position: relative; }
  thead th.col-reco { border-top: 2px solid var(--brand); border-left: 2px solid var(--brand); border-right: 2px solid var(--brand); }
  tbody td.col-reco { border-left: 2px solid var(--brand); border-right: 2px solid var(--brand); }
  table.compare tbody tr:last-child td.col-reco { border-bottom: 2px solid var(--brand); }
  .reco-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--brand); color: #fff; font-size: 12px; font-weight: 600;
    padding: 4px 12px; border-radius: 999px; margin-bottom: 8px;
  }
  .reco-badge .dot { width: 5px; height: 5px; border-radius: 999px; background: var(--candy); }
  .lvl-name { font-size: 17px; font-weight: 700; color: var(--ink); }
  .lvl-sub { font-size: 12px; color: var(--mute); margin-top: 2px; font-weight: 400; }
  .check { display: inline-flex; align-items: center; justify-content: center; color: var(--brand); }
  .check svg { width: 18px; height: 18px; }
  .dash { display: inline-block; width: 12px; height: 2px; border-radius: 2px; background: #C4D0D9; }
  .table-note { font-size: 13px; color: var(--mute); margin-top: 14px; }

  /* ---------- 等级亮点 ---------- */
  .levels-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
  @media (min-width: 768px) { .levels-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .levels-grid { grid-template-columns: repeat(4, 1fr); } }
  .level-card {
    background: #fff; border-radius: var(--radius-card); border: 1px solid var(--line);
    padding: 28px 24px 24px; box-shadow: var(--shadow-sm); position: relative;
    display: flex; flex-direction: column; overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .level-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
  .level-card::after {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
    background: var(--brand); opacity: 0; transition: opacity .2s ease;
  }
  .level-card:hover::after { opacity: 1; }
  .level-card--featured { grid-column: span 1; }
  @media (min-width: 1024px) {
    .level-card--featured { grid-column: span 2; }
    .level-card--featured::after { opacity: 1; }
  }
  .level-num { font-size: 48px; font-weight: 700; color: var(--brand); opacity: .12; line-height: 1; letter-spacing: -1px; }
  .level-name { font-size: 20px; font-weight: 700; color: var(--ink); margin-top: 6px; }
  .level-desc { font-size: 14px; color: var(--mute); margin-top: 8px; min-height: 40px; }
  .level-list { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
  .level-list li { display: flex; gap: 10px; font-size: 14px; color: var(--body); line-height: 1.7; }
  .level-list li .bullet { width: 6px; height: 6px; border-radius: 999px; background: var(--brand); margin-top: 9px; flex-shrink: 0; }
  .level-link { margin-top: 22px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
  .level-card--featured .level-list { flex-direction: row; flex-wrap: wrap; gap: 10px 22px; }
  .level-card--featured .level-list li { width: calc(50% - 11px); }

  /* ---------- 内容预览 ---------- */
  .preview-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
  @media (min-width: 640px) { .preview-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .preview-grid { grid-template-columns: repeat(3, 1fr); } }
  .preview-card {
    background: #fff; border-radius: var(--radius-card); border: 1px solid var(--line);
    overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .preview-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: #CFE0EB; }
  .preview-thumb { position: relative; }
  .preview-thumb img { width: 100%; height: 176px; object-fit: cover; }
  .preview-badge {
    position: absolute; left: 14px; top: 14px;
    background: rgba(255,255,255,.95); color: var(--brand);
    font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
    border: 1px solid #D6E4EE;
  }
  .preview-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
  .preview-title {
    font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .preview-card:hover .preview-title { color: var(--brand); }
  .preview-excerpt {
    margin-top: 10px; font-size: 14px; color: var(--body); line-height: 1.75;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .preview-foot { margin-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .status-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 999px;
  }
  .status-tag.open { background: rgba(47,163,126,.1); color: var(--mint); }
  .status-tag.lock { background: rgba(122,139,151,.12); color: var(--mute); }
  .status-tag .dot { width: 5px; height: 5px; border-radius: 999px; background: currentColor; }
  .foot-arrow { font-size: 13px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 4px; }

  /* ---------- 最新信息列表 ---------- */
  .news-list { display: flex; flex-direction: column; gap: 16px; }
  .news-item {
    display: flex; gap: 20px; align-items: flex-start;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: 18px 22px; box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #CFE0EB; }
  .news-thumb { width: 120px; height: 80px; border-radius: var(--radius-inner); overflow: hidden; flex-shrink: 0; border: 1px solid rgba(0,0,0,.05); }
  .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .news-date-box {
    width: 64px; height: 64px; border-radius: var(--radius-inner); flex-shrink: 0;
    background: var(--brand-light); color: var(--brand); border: 1px solid #D6E4EE;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    line-height: 1.2;
  }
  .news-date-box .d { font-size: 20px; font-weight: 700; }
  .news-date-box .m { font-size: 11px; }
  .news-main { flex: 1; min-width: 0; }
  .news-title { font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.5; }
  .news-item:hover .news-title { color: var(--brand); }
  .news-excerpt {
    margin-top: 6px; font-size: 14px; color: var(--body); line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 10px; font-size: 12px; color: var(--mute); }
  .meta-chip {
    display: inline-flex; align-items: center; gap: 5px;
    background: var(--brand-light); color: var(--brand); font-weight: 500;
    padding: 2px 10px; border-radius: 999px; font-size: 12px;
  }
  .empty-state {
    background: #fff; border: 1px dashed #CFDDE7; border-radius: var(--radius-card);
    padding: 56px 24px; text-align: center; box-shadow: var(--shadow-sm);
  }
  .empty-icon {
    width: 56px; height: 56px; border-radius: 999px; margin: 0 auto 16px;
    background: var(--brand-light); color: var(--brand);
    display: flex; align-items: center; justify-content: center;
  }
  .empty-title { font-size: 16px; font-weight: 600; color: var(--ink); }
  .empty-desc { font-size: 14px; color: var(--mute); margin-top: 6px; }

  /* ---------- FAQ ---------- */
  .faq-wrap { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
  details.faq {
    background: #fff; border: 1px solid var(--line); border-radius: 14px;
    box-shadow: var(--shadow-sm); overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease;
  }
  details.faq[open] { border-left: 3px solid var(--brand); box-shadow: var(--shadow-md); }
  details.faq summary {
    list-style: none; cursor: pointer; min-height: 56px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px 22px; font-size: 16px; font-weight: 600; color: var(--ink);
  }
  details.faq summary::-webkit-details-marker { display: none; }
  details.faq summary:hover { color: var(--brand); }
  .faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
  .faq-icon::before, .faq-icon::after {
    content: ""; position: absolute; background: var(--brand); border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
  }
  .faq-icon::before { left: 0; right: 0; top: 8px; height: 2px; }
  .faq-icon::after { top: 0; bottom: 0; left: 8px; width: 2px; }
  details.faq[open] .faq-icon::after { transform: scaleY(0); opacity: 0; }
  .faq-answer { padding: 0 22px 20px; font-size: 15px; line-height: 1.8; color: var(--body); }

  /* ---------- CTA ---------- */
  .cta-band {
    background: var(--brand-light); border: 2px solid var(--brand); border-radius: 18px;
    padding: 36px 32px; display: flex; align-items: center; justify-content: space-between;
    gap: 24px; flex-wrap: wrap;
  }
  .cta-title { font-size: 24px; font-weight: 700; color: var(--ink); }
  .cta-desc { font-size: 15px; color: var(--body); margin-top: 6px; }
  .cta-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
  .cta-link { font-size: 14px; font-weight: 600; color: var(--brand-deep); text-decoration: underline; text-underline-offset: 4px; }
  @media (max-width: 639px) {
    .cta-band { padding: 28px 22px; }
    .cta-actions { width: 100%; flex-direction: column; align-items: stretch; }
    .cta-actions .btn { width: 100%; }
    .cta-link { text-align: center; }
  }

  /* ---------- 页脚 ---------- */
  .site-footer { background: var(--paper); border-top: 1px solid var(--line); margin-top: 0; }
  .footer-main { padding: 64px 0 40px; display: grid; grid-template-columns: 1fr; gap: 40px; }
  @media (min-width: 640px) { .footer-main { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .footer-main { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 32px; } }
  .footer-brand .brand { margin-bottom: 16px; }
  .footer-desc { font-size: 14px; color: var(--body); line-height: 1.8; max-width: 300px; }
  .footer-key { font-size: 13px; color: var(--mute); margin-top: 12px; }
  .footer-col-title { font-size: 14px; font-weight: 700; color: var(--brand); margin-bottom: 16px; }
  .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .footer-links a { font-size: 14px; color: var(--body); }
  .footer-links a:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
  .footer-note { font-size: 14px; color: var(--body); line-height: 1.8; }
  .footer-note strong { color: var(--ink); font-weight: 600; }
  .footer-bottom {
    border-top: 1px solid var(--line); padding: 20px 0 28px;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  }
  .footer-copy { font-size: 13px; color: var(--mute); }
  .footer-policy { display: flex; gap: 20px; }
  .footer-policy a { font-size: 13px; color: var(--mute); }
  .footer-policy a:hover { color: var(--brand); }

  @media (max-width: 1023px) { :root { --section-y: 72px; } }
  @media (max-width: 639px) {
    :root { --section-y: 56px; }
    .h2 { font-size: 24px; }
    .news-item { flex-direction: column; }
    .news-thumb { width: 100%; height: 160px; }
    .level-card--featured .level-list li { width: 100%; }
  }
  .sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
  }

/* roulang page: article */
:root{
  --brand:#2F6A8A;
  --brand-soft:#EAF2F7;
  --brand-deep:#245370;
  --accent:#F2913D;
  --berry:#E4638C;
  --mint:#2FA37E;
  --warn:#C4562F;
  --bg:#F6F8FA;
  --bg-warm:#FDFBF7;
  --card:#FFFFFF;
  --ink:#16232E;
  --ink-body:#4A5C69;
  --ink-muted:#7A8B97;
  --line:#E3E9EF;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-sm:0 1px 2px rgba(22,58,86,.06);
  --shadow-md:0 8px 24px rgba(22,58,86,.07);
  --shadow-hover:0 14px 32px rgba(22,58,86,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.4px;margin:0}
p{margin:0}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{width:100%;max-width:880px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){
  .container{padding:0 32px}
  .container-narrow{padding:0 32px}
}

/* ---------- 顶部卡片化导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px 0 0}
.site-header .container{position:relative}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-md);
  padding:12px 16px;
  transition:box-shadow .22s ease;
}
.nav-panel:hover{box-shadow:var(--shadow-hover)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;gap:4px;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.08);
}
.brand-dot{display:block;width:9px;height:9px;border-radius:999px}
.brand-dot.a{background:var(--accent)}
.brand-dot.b{background:#FFFFFF}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.brand-sub{font-size:11px;font-weight:500;color:var(--brand);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;min-width:0}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--ink-body);white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item svg{width:18px;height:18px;flex-shrink:0;opacity:.85}
.nav-item:hover{background:#EEF3F8;color:var(--brand);transform:translateY(-1px)}
.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-item.active svg{opacity:1}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}
.btn-soft{background:var(--brand-soft);color:var(--brand-deep)}
.btn-soft:hover{background:#DCEAF3;color:var(--brand-deep)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-muted);
  padding-top:28px;
}
.crumbs a{color:var(--ink-muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C3CFD8}
.crumbs .current{color:var(--ink-muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:28px 0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:999px;background:var(--berry)}
.article-title{
  font-size:34px;line-height:1.32;font-weight:700;color:var(--ink);
  margin:18px 0 0;letter-spacing:-.6px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:18px;font-size:13px;color:var(--ink-muted);
}
.meta-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--brand);font-size:12px;font-weight:600;
}
.meta-sep{width:4px;height:4px;border-radius:999px;background:#C3CFD8}

/* ---------- 正文阅读区 ---------- */
.article-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);
  padding:40px;
  margin-top:8px;
}
.article-body{
  font-size:16px;line-height:1.9;color:var(--ink-body);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > p:first-of-type{font-size:18px;line-height:1.85;color:#3B4C58}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--ink);
  margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
  letter-spacing:-.3px;
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);margin:28px 0 10px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 8px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:999px;background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:3px;
  width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-body);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;box-shadow:var(--shadow-sm);margin:22px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12px;line-height:1.7;color:var(--ink-muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--ink);font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{color:var(--ink);font-weight:600}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;background:var(--bg);border:1px solid var(--line);
  font-size:12px;color:var(--ink-muted);
}
.back-top{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--ink-body);
}
.back-top:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--ink-muted);margin-bottom:22px}

/* ---------- 相关内容推荐 ---------- */
.related{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:3px;background:var(--brand);
}
.section-head .more{font-size:14px;font-weight:500;color:var(--brand);white-space:nowrap}
.section-head .more:hover{text-decoration:underline;text-underline-offset:4px}
.related-list{display:flex;flex-direction:column;gap:14px}
.related-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D5E2EC}
.related-thumb{
  width:120px;height:80px;flex-shrink:0;border-radius:var(--r-md);overflow:hidden;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.05);
}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body{min-width:0;flex:1}
.related-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--ink-muted);margin-bottom:6px}
.related-meta .cat{color:var(--brand);font-weight:600}
.related-title{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);letter-spacing:-.2px}
.related-card:hover .related-title{color:var(--brand)}
.related-desc{font-size:13px;line-height:1.7;color:var(--ink-muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.related-arrow{color:#C3CFD8;flex-shrink:0;transition:color .2s ease,transform .2s ease}
.related-card:hover .related-arrow{color:var(--brand);transform:translateX(3px)}

/* ---------- 文章页底部操作 ---------- */
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:32px;padding:22px 26px;
  background:var(--brand-soft);border-radius:var(--r-lg);
  border:1px solid #DCEAF3;
}
.article-actions p{font-size:14px;line-height:1.7;color:var(--brand-deep);margin:0}
.article-actions .row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--line);margin-top:72px;padding:56px 0 24px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--ink-muted);margin:16px 0 10px;max-width:330px}
.footer-key{font-size:12px;color:var(--brand);letter-spacing:.3px;margin:0}
.footer-col-title{font-size:14px;font-weight:700;color:var(--brand);margin:0 0 14px;letter-spacing:.2px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-body)}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-note{font-size:13px;line-height:1.75;color:var(--ink-muted);margin:0}
.footer-note strong{color:var(--ink-body);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);margin-top:40px;padding-top:20px;
}
.footer-copy{font-size:13px;color:var(--ink-muted);margin:0}
.footer-policy{display:flex;gap:20px}
.footer-policy a{font-size:13px;color:var(--ink-muted)}
.footer-policy a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-hover);padding:12px;z-index:90;
  }
  .nav-links.open{display:flex}
  .nav-item{height:48px;justify-content:flex-start;padding:0 14px;font-size:15px}
  .nav-item.active::before{height:22px}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .footer-main{grid-template-columns:1fr 1fr}
  .article-shell{padding:28px}
  .article-title{font-size:28px}
}
@media (max-width:767px){
  .site-header{padding:10px 0 0}
  .nav-panel{padding:10px 12px;border-radius:16px}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .brand-main{font-size:15px}
  .article-title{font-size:25px;line-height:1.36}
  .article-shell{padding:22px 18px;border-radius:14px}
  .article-body h2{font-size:20px;margin-top:30px}
  .article-body h3{font-size:18px}
  .article-body > p:first-of-type{font-size:17px}
  .related-card{align-items:flex-start;padding:12px 14px;gap:12px}
  .related-thumb{width:92px;height:66px}
  .related-desc{display:none}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .row{width:100%}
  .article-actions .row .btn{flex:1}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding:44px 0 20px}
}
@media (max-width:520px){
  .container,.container-narrow{padding:0 16px}
  .crumbs{padding-top:20px;font-size:12px}
  .related-thumb{width:80px;height:60px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#2F6A8A;
  --brand-soft:#EAF2F7;
  --brand-deep:#245370;
  --candy:#F2913D;
  --berry:#E4638C;
  --mint:#2FA37E;
  --warn:#C4562F;
  --bg:#F6F8FA;
  --bg-warm:#FDFBF7;
  --card:#FFFFFF;
  --ink:#16232E;
  --text:#4A5C69;
  --muted:#7A8B97;
  --line:#E3E9EF;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(22,58,86,.06);
  --sh-md:0 8px 24px rgba(22,58,86,.07);
  --sh-hover:0 14px 32px rgba(22,58,86,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

body .container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1024px){
  body .container{padding-left:32px;padding-right:32px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 0;
  background:var(--bg);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--card);
  border-radius:18px;
  box-shadow:var(--sh-md);
  padding:12px 16px;
  max-width:1200px;
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;gap:4px;
  border:1px solid #D8E6EF;
}
.brand-dot{width:9px;height:9px;border-radius:50%;display:block;}
.brand-dot.a{background:var(--brand);}
.brand-dot.b{background:var(--candy);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:16px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.brand-sub{font-size:11px;font-weight:500;color:var(--brand);letter-spacing:.6px;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--text);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item svg{width:18px;height:18px;flex-shrink:0;}
.nav-item:hover{background:#EEF3F8;color:var(--brand);transform:translateY(-1px);}
.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:6px;top:50%;
  transform:translateY(-50%);
  width:3px;height:18px;
  border-radius:2px;
  background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);background:#1E4760;}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid #CBDCE7;}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  align-items:center;justify-content:center;
  color:var(--brand);
  background:var(--brand-soft);
}
.nav-toggle svg{width:22px;height:22px;}
.mobile-drawer{
  display:none;
  background:var(--card);
  border-radius:16px;
  box-shadow:var(--sh-hover);
  padding:16px;
  margin-top:12px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-item{
  width:100%;
  height:48px;
  justify-content:flex-start;
  border:1px solid var(--line);
  margin-bottom:8px;
}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn{flex:1;}

/* ---------- Hero ---------- */
.hero{padding:8px 0 0;}
.hero-card{
  position:relative;
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-md);
  padding:32px;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:32px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-copy h1{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--ink);
  margin-bottom:14px;
}
.hero-copy .hero-sub{
  font-size:16px;
  color:var(--text);
  max-width:520px;
  margin-bottom:22px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
  background:#fff;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--candy);}
.chip.mint .dot{background:var(--mint);}
.chip.berry .dot{background:var(--berry);}
.hero-media{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  border:1px solid rgba(0,0,0,.05);
  box-shadow:var(--sh-sm);
}
.hero-media img{width:100%;height:224px;object-fit:cover;border-radius:14px;}
.wave-deco{
  position:absolute;
  left:0;right:0;bottom:0;
  height:86px;
  opacity:.5;
  pointer-events:none;
  z-index:1;
}
.wave-deco svg{width:100%;height:100%;display:block;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:24px;
}
.stat-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-sm);
  padding:18px 20px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.stat-num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-.6px;
  line-height:1.2;
}
.stat-num .unit{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-title{
  position:relative;
  font-size:26px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--ink);
  padding-left:18px;
  line-height:1.35;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.5em;
  width:12px;height:3px;
  border-radius:2px;
  background:var(--brand);
}
.section-lead{font-size:15px;color:var(--muted);margin-top:10px;padding-left:18px;}

/* ---------- 区块 A：分栏 + 步骤 ---------- */
.split{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:28px;
  align-items:start;
}
.prose-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  padding:28px;
}
.prose-card p{font-size:16px;line-height:1.85;color:var(--text);margin-bottom:16px;}
.prose-card p:last-child{margin-bottom:0;}
.prose-card strong{color:var(--ink);font-weight:600;}
.step-panel{
  background:var(--bg-warm);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:24px;
}
.step-panel-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:16px;
}
.step-list{display:flex;flex-direction:column;gap:14px;}
.step-item{
  display:flex;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:14px 16px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#CFE0EA;}
.step-num{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:9px;
  background:var(--brand-soft);
  color:var(--brand);
  font-family:var(--font-num);
  font-weight:700;
  font-size:13px;
  display:flex;align-items:center;justify-content:center;
}
.step-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.step-desc{font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:2px;}

/* ---------- 区块 B：要点清单 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.feature-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:20px 22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.feature-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.feature-icon{
  flex-shrink:0;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.feature-icon svg{width:20px;height:20px;}
.feature-title{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5;}
.feature-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px;}

/* ---------- 区块 C：等级速览 ---------- */
.tier-list{display:flex;flex-direction:column;gap:16px;}
.tier-card{
  display:grid;
  grid-template-columns:180px 1fr auto;
  gap:22px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:18px;
  position:relative;
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.tier-card::after{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--brand);
  opacity:0;
  transition:opacity .2s ease;
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.tier-card:hover::after{opacity:1;}
.tier-thumb{
  border-radius:12px;
  overflow:hidden;
  border:1px solid rgba(0,0,0,.05);
  height:110px;
}
.tier-thumb img{width:100%;height:100%;object-fit:cover;}
.tier-name{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:-.2px;
}
.tier-tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--brand-deep);
  background:var(--brand-soft);
}
.tier-tag.accent{color:#8A4A12;background:#FCEEDF;}
.tier-desc{font-size:14.5px;color:var(--text);line-height:1.7;margin-top:6px;}
.tier-points{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:10px;}
.tier-points li{
  position:relative;
  padding-left:14px;
  font-size:13.5px;
  color:var(--muted);
}
.tier-points li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--brand);
}
.tier-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
}
.tier-link:hover{color:var(--brand-deep);}
.tier-link svg{width:16px;height:16px;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:64px;
  background:var(--brand-soft);
  border:1px solid #D5E4EE;
  border-radius:var(--r-card);
  padding:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band h2{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.3px;
  line-height:1.4;
}
.cta-band p{font-size:14.5px;color:var(--text);margin-top:8px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.cta-link{font-size:14.5px;font-weight:600;color:var(--brand);border-bottom:1px solid transparent;}
.cta-link:hover{border-bottom-color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:var(--bg-warm);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.75;max-width:280px;}
.footer-key{
  font-size:13px;
  color:var(--brand);
  margin-top:12px;
  letter-spacing:.2px;
}
.footer-col-title{
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:14px;
  letter-spacing:.2px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:var(--text);
  width:fit-content;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-links a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.footer-note{font-size:13.5px;color:var(--muted);line-height:1.75;}
.footer-note strong{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-copy{font-size:13px;color:var(--muted);}
.footer-policy{display:flex;gap:20px;}
.footer-policy a{font-size:13px;color:var(--muted);}
.footer-policy a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:24px;}
  .hero-copy h1{font-size:28px;}
  .hero-media img{height:196px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .tier-card{grid-template-columns:140px 1fr;gap:16px;}
  .tier-link{grid-column:1 / -1;justify-self:flex-start;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:767px){
  .feature-grid{grid-template-columns:1fr;}
  .section{padding-top:52px;}
  .section-title{font-size:22px;}
  .hero-card{padding:22px;}
  .prose-card,.step-panel{padding:20px;}
  .cta-band{padding:24px;margin-top:52px;}
  .site-footer{margin-top:56px;padding-top:44px;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .hero-copy h1{font-size:24px;}
  .tier-card{grid-template-columns:1fr;}
  .tier-thumb{height:150px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .cta-actions .cta-link{text-align:center;}
}

/* roulang page: category2 */
:root{
  --brand:#2F6A8A;
  --brand-tint:#EAF2F7;
  --brand-deep:#245370;
  --candy:#F2913D;
  --berry:#E4638C;
  --mint:#2FA37E;
  --warn:#C4562F;
  --bg:#F6F8FA;
  --bg-warm:#FDFBF7;
  --card:#FFFFFF;
  --ink:#16232E;
  --text:#4A5C69;
  --muted:#7A8B97;
  --line:#E3E9EF;
  --line-strong:#CBDCE7;
  --r-card:16px;
  --r-inner:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,58,86,.06);
  --sh-md:0 8px 24px rgba(22,58,86,.07);
  --sh-lg:0 14px 32px rgba(22,58,86,.12);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.4px;line-height:1.35}
p{margin:0}
table{border-collapse:collapse;width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--sh-md);
  padding:12px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;
  width:38px;height:38px;flex:0 0 auto;
  border-radius:12px;
  background:var(--brand-tint);
  border:1px solid var(--line);
  display:inline-block;
}
.brand-dot{position:absolute;width:10px;height:10px;border-radius:50%}
.brand-dot.a{background:var(--candy);top:9px;left:10px}
.brand-dot.b{background:var(--berry);bottom:9px;right:10px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:16px;font-weight:700;letter-spacing:-.2px}
.brand-sub{font-size:11px;font-weight:500;color:var(--brand);letter-spacing:.3px}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;
  border-radius:var(--r-btn);
  font-size:15px;color:var(--text);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item svg{width:16px;height:16px;flex:0 0 auto;color:var(--muted);transition:color .18s ease}
.nav-item:hover{background:#EEF3F8;color:var(--brand);transform:translateY(-1px)}
.nav-item:hover svg{color:var(--brand)}
.nav-item.active{background:var(--brand-tint);color:var(--brand);font-weight:600;padding-left:16px}
.nav-item.active svg{color:var(--brand)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--brand);
}

.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;margin-left:6px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--card);color:var(--brand);
}
.nav-toggle:hover{background:var(--brand-tint)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--sh-md);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{background:var(--card);color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-tint);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more svg{width:15px;height:15px;transition:transform .18s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{padding:18px 0 60px}
.hero-shell{
  position:relative;
  display:flex;align-items:center;
  min-height:280px;
  padding:36px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-warm);
  box-shadow:var(--sh-md);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.hero-veil{position:absolute;inset:0;background:rgba(253,251,247,.22)}
.hero-wave{position:absolute;left:0;right:0;bottom:0;height:56px;opacity:.5;pointer-events:none}
.hero-card{
  position:relative;
  max-width:620px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--sh-md);
  padding:32px 34px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.2px;
  color:var(--brand);
  background:var(--brand-tint);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:14px;
}
.hero-card h1{font-size:34px;line-height:1.28;letter-spacing:-.6px;margin-bottom:12px}
.hero-sub{font-size:16px;color:var(--brand-deep);font-weight:600;margin-bottom:12px}
.hero-lead{font-size:15px;line-height:1.85;color:var(--text);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hero-tags li{
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--text);
}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-warm{background:var(--bg-warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:28px;line-height:1.35}
.section-head h2::before{
  content:"";display:block;width:12px;height:3px;border-radius:2px;
  background:var(--brand);margin-bottom:14px;
}
.section-kicker{
  font-size:12px;font-weight:600;letter-spacing:1.4px;color:var(--muted);
  text-transform:uppercase;margin-bottom:6px;
}
.section-lead{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text);max-width:62ch}

/* ---------- topic grid ---------- */
.grid-cards{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-cards{grid-template-columns:repeat(3,1fr)}}
.topic-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:var(--line-strong)}
.topic-card:hover::after{opacity:1}
.topic-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.topic-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border-radius:var(--r-inner);
  background:var(--brand-tint);
  color:var(--brand);
  font-size:15px;font-weight:700;letter-spacing:.5px;
}
.topic-card h3{font-size:19px;line-height:1.4}
.topic-card p{font-size:14.5px;line-height:1.85;color:var(--text);margin-bottom:10px}
.topic-tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 18px}
.topic-tags li{
  font-size:12px;color:var(--muted);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:2px 10px;background:#fff;
}
.topic-card .link-more{margin-top:auto}

/* ---------- compare table ---------- */
.table-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:780px}
.compare-table th,.compare-table td{
  padding:16px 20px;
  text-align:left;
  font-size:15px;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.compare-table thead th{
  font-size:13px;font-weight:600;color:var(--muted);
  letter-spacing:.4px;
  padding-top:20px;padding-bottom:16px;
  white-space:nowrap;
}
.compare-table tbody th{
  font-weight:600;color:var(--ink);
  white-space:nowrap;
}
.compare-table tbody td{color:var(--text)}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover th,
.compare-table tbody tr:hover td{background:#FAFCFD}
.compare-table .is-pick{
  background:var(--brand-tint);
  border-left:2px solid var(--brand);
  border-right:2px solid var(--brand);
  color:var(--brand-deep);
  font-weight:600;
}
.compare-table thead th.is-pick{
  border-top:2px solid var(--brand);
  border-radius:14px 14px 0 0;
  color:var(--brand);
}
.compare-table tbody tr:last-child td.is-pick{border-bottom:2px solid var(--brand);border-radius:0 0 14px 14px}
.pick-badge{
  display:inline-block;margin-left:8px;
  padding:2px 10px;border-radius:var(--r-pill);
  background:var(--berry);color:#fff;
  font-size:11px;font-weight:600;line-height:1.7;
  white-space:nowrap;
}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- split explanation ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){.split{grid-template-columns:7fr 5fr;gap:48px}}
.split h2{font-size:28px;line-height:1.35;margin-bottom:18px}
.split h2::before{content:"";display:block;width:12px;height:3px;border-radius:2px;background:var(--brand);margin-bottom:14px}
.split p{font-size:15.5px;line-height:1.9;margin-bottom:16px}
.split p:last-child{margin-bottom:0}
.note-card{
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  padding:26px;
}
.note-card h3{font-size:17px;margin-bottom:16px}
.note-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text);
  margin-bottom:12px;
}
.note-list li:last-child{margin-bottom:0}
.note-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.note-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* ---------- feature figure ---------- */
.figure-split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;margin-top:56px}
@media (min-width:1024px){.figure-split{grid-template-columns:5fr 7fr;gap:48px}}
.figure-split .figure{
  border-radius:14px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.figure-split .figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.figure-split h3{font-size:22px;margin-bottom:14px}
.figure-split p{font-size:15px;line-height:1.9;margin-bottom:14px}

/* ---------- strip list ---------- */
.strip-list{display:grid;gap:14px;margin-top:28px}
.strip{
  display:flex;align-items:flex-start;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-sm);
  padding:20px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.strip:hover{transform:translateX(2px);box-shadow:var(--sh-md);border-color:var(--line-strong)}
.strip-idx{
  flex:0 0 auto;
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-tint);
  border-radius:8px;
  padding:3px 10px;
  margin-top:2px;
}
.strip h3{font-size:16.5px;margin-bottom:4px}
.strip p{font-size:14.5px;line-height:1.8;color:var(--text)}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 80px}
.cta-card{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--brand-tint);
  border:1px solid #CFE1EC;
  border-radius:20px;
  padding:36px 38px;
  overflow:hidden;
}
.cta-card h2{font-size:24px;line-height:1.4;margin-bottom:8px}
.cta-card p{font-size:15px;color:var(--text);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.cta-actions .link-more{font-size:14px}
.cta-wave{position:absolute;right:-20px;bottom:-14px;width:320px;height:120px;opacity:.35;pointer-events:none}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-warm);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-main{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:40px;
}
@media (min-width:640px){.footer-main{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-main{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text);max-width:34ch}
.footer-key{margin-top:12px;font-size:13px;color:var(--brand);font-weight:600}
.footer-col-title{font-size:14px;font-weight:700;color:var(--brand);margin-bottom:16px;letter-spacing:.2px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:var(--text);
  width:fit-content;
  transition:color .18s ease;
}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-note{font-size:13.5px;line-height:1.85;color:var(--text)}
.footer-note strong{color:var(--ink);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);
  padding-top:24px;
}
.footer-copy{font-size:13px;color:var(--muted)}
.footer-policy{display:flex;gap:20px}
.footer-policy a{font-size:13px;color:var(--muted)}
.footer-policy a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{min-height:40px;padding:0 14px;font-size:14px}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-lg);
    padding:12px;
    margin-left:0;
    z-index:90;
  }
  .nav-links.open{display:flex}
  .nav-item{width:100%;height:48px;justify-content:flex-start}
  .nav-drawer-cta{display:flex;gap:10px;margin-top:8px}
  .nav-drawer-cta .btn{flex:1}
  .hero-shell{padding:24px;min-height:0}
  .hero-card{padding:26px 24px;max-width:100%}
  .hero-card h1{font-size:28px}
  .section{padding:56px 0}
  .cta-band{padding-bottom:64px}
  .cta-card{padding:28px 24px}
}
@media (min-width:1024px){
  .nav-drawer-cta{display:none}
}
@media (max-width:640px){
  .nav-actions .btn-primary{display:none}
  .hero-card h1{font-size:26px}
  .section-head h2,.split h2{font-size:23px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .strip{flex-direction:row;gap:14px;padding:18px}
  .figure-split .figure img{aspect-ratio:16/11}
}

/* roulang page: category3 */
:root{
    --brand:#2F6A8A;
    --brand-soft:#EAF2F7;
    --brand-deep:#245370;
    --candy:#F2913D;
    --berry:#E4638C;
    --mint:#2FA37E;
    --warn:#C4562F;
    --bg:#F6F8FA;
    --bg-warm:#FDFBF7;
    --card:#FFFFFF;
    --ink:#16232E;
    --body:#4A5C69;
    --muted:#7A8B97;
    --line:#E3E9EF;
    --line-strong:#D9E6EF;
    --r-card:16px;
    --r-sm:12px;
    --r-btn:10px;
    --sh-sm:0 1px 2px rgba(22,58,86,.06);
    --sh-md:0 8px 24px rgba(22,58,86,.07);
    --sh-hover:0 14px 32px rgba(22,58,86,.12);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--body);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.4px;line-height:1.32;}
  h1{font-size:40px;line-height:1.25;}
  h2{font-size:28px;}
  h3{font-size:20px;}
  h4{font-size:17px;}
  p{margin:0;}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
  img{max-width:100%;display:block;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (min-width:1280px){.container{padding:0 32px;}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:0;
    border:1px solid transparent;cursor:pointer;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
  .btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;min-height:44px;
    font-size:14px;font-weight:600;color:var(--brand);
  }
  .btn-link:hover{color:var(--brand-deep);}
  .btn-link svg{width:16px;height:16px;}

  /* ---------- 头部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;padding:16px 0;}
  .nav-shell{
    max-width:1200px;margin:0 auto;
    display:flex;align-items:center;gap:14px;
    background:var(--card);border:1px solid var(--line);border-radius:18px;
    padding:12px 16px;box-shadow:var(--sh-md);
  }
  @media (min-width:1280px){
    .nav-shell{margin-left:auto;margin-right:auto;}
  }
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--brand-soft);
    display:grid;place-items:center;gap:0;position:relative;flex:none;
    border:1px solid var(--line-strong);
  }
  .brand-dot{width:9px;height:9px;border-radius:50%;position:absolute;}
  .brand-dot.a{background:var(--candy);top:10px;left:9px;}
  .brand-dot.b{background:var(--berry);bottom:10px;right:9px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
  .brand-sub{font-size:11px;font-weight:500;color:var(--brand);letter-spacing:.6px;}

  .nav-links{display:flex;align-items:center;gap:4px;margin:0 auto;}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:8px;
    height:40px;padding:0 14px;border-radius:10px;
    font-size:15px;color:var(--body);white-space:nowrap;
    transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .nav-item svg{width:16px;height:16px;flex:none;}
  .nav-item:hover{background:#EEF3F8;color:var(--brand);transform:translateY(-1px);}
  .nav-item.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
  .nav-item.active::before{
    content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
    width:3px;height:18px;border-radius:2px;background:var(--brand);
  }
  .nav-item.active svg{color:var(--brand);}

  .nav-actions{display:flex;align-items:center;gap:8px;flex:none;}
  .nav-actions .btn{height:44px;padding:0 16px;font-size:14px;}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:10px;
    background:#fff;border:1px solid var(--line);cursor:pointer;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    margin-left:auto;flex:none;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .nav-drawer{
    display:none;max-width:1200px;margin:8px auto 0;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--sh-md);padding:12px;
  }
  .nav-drawer.open{display:block;}
  .drawer-item{
    display:flex;align-items:center;gap:10px;
    min-height:48px;padding:0 12px;border-radius:10px;
    color:var(--body);font-size:15px;
    transition:background .18s ease,color .18s ease;
  }
  .drawer-item svg{width:18px;height:18px;flex:none;}
  .drawer-item .arrow{margin-left:auto;color:var(--muted);}
  .drawer-item:hover,.drawer-item.active{background:var(--brand-soft);color:var(--brand-deep);}
  .drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);}
  .drawer-actions .btn{width:100%;}

  @media (max-width:1023px){
    .nav-links,.nav-actions{display:none;}
    .nav-toggle{display:flex;}
  }
  @media (min-width:1024px){
    .nav-drawer{display:none !important;}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  @media (max-width:1023px){.section{padding:68px 0;} h1{font-size:34px;} h2{font-size:25px;}}
  @media (max-width:639px){.section{padding:52px 0;} h1{font-size:28px;} h2{font-size:23px;} h3{font-size:18px;}}

  .section-head{max-width:760px;margin-bottom:36px;}
  .section-title{display:flex;align-items:center;gap:12px;}
  .section-title::before{
    content:"";flex:none;width:12px;height:3px;border-radius:2px;background:var(--brand);
  }
  .section-lead{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8;max-width:680px;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;padding:72px 0 84px;
    background:var(--bg-warm);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-hero::after{
    content:"";position:absolute;left:0;right:0;bottom:-1px;height:64px;
    background:linear-gradient(180deg, rgba(246,248,250,0) 0%, var(--bg) 100%);
    pointer-events:none;
  }
  .hero-center{max-width:840px;margin:0 auto;text-align:center;position:relative;z-index:2;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:#fff;border:1px solid var(--line-strong);
    font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--candy);}
  .hero-center h1{margin-top:20px;}
  .hero-sub{margin:16px auto 0;max-width:620px;font-size:17px;color:var(--muted);line-height:1.8;}
  .hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .hero-chips{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .hero-chips li{
    padding:6px 14px;border-radius:999px;border:1px solid var(--line);
    background:#fff;font-size:13px;color:var(--muted);
  }

  .hero-stage{position:relative;margin-top:44px;z-index:2;}
  .hero-stage img{
    width:100%;height:240px;object-fit:cover;border-radius:var(--r-card);
    border:1px solid rgba(0,0,0,.05);box-shadow:var(--sh-md);
  }
  .hero-note{
    position:absolute;right:24px;bottom:24px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
    box-shadow:var(--sh-md);padding:14px 20px;min-width:200px;text-align:left;
  }
  .hero-note-label{font-size:12px;color:var(--muted);letter-spacing:.4px;}
  .hero-note-value{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4;}
  .hero-note-sub{font-size:13px;color:var(--brand);font-weight:600;margin-top:2px;}
  @media (max-width:639px){
    .page-hero{padding:52px 0 62px;}
    .hero-stage img{height:180px;}
    .hero-note{position:static;margin-top:12px;box-shadow:var(--sh-sm);}
    .hero-sub{font-size:15px;}
  }

  /* ---------- 规则速查清单 ---------- */
  .rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  @media (max-width:767px){.rule-grid{grid-template-columns:1fr;}}
  .rule-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
    padding:20px 22px;box-shadow:var(--sh-sm);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .rule-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
  .rule-no{
    flex:none;width:44px;height:44px;border-radius:12px;
    background:var(--brand-soft);color:var(--brand-deep);
    display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:700;letter-spacing:.2px;
  }
  .rule-body h3{font-size:16px;margin-bottom:4px;}
  .rule-body p{font-size:14px;line-height:1.75;color:var(--muted);}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;padding-left:0;}
  .timeline::before{
    content:"";position:absolute;left:18px;top:10px;bottom:10px;width:2px;
    background:var(--line-strong);border-radius:2px;
  }
  .tl-item{position:relative;padding-left:56px;margin-bottom:18px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:14px;top:26px;width:10px;height:10px;border-radius:50%;
    background:var(--brand);box-shadow:0 0 0 4px var(--bg);
    transition:transform .2s ease,background .2s ease;
  }
  .tl-item:hover::before{transform:scale(1.25);background:var(--brand-deep);}
  .tl-card{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    padding:20px 24px;box-shadow:var(--sh-sm);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--line-strong);}
  .tl-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:8px;}
  .tl-date{
    display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand-deep);
    font-size:12px;font-weight:600;letter-spacing:.2px;
  }
  .tl-tag{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;color:var(--muted);
  }
  .tl-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--berry);}
  .tl-card h3{font-size:18px;margin-bottom:6px;}
  .tl-card p{font-size:15px;color:var(--body);line-height:1.8;}
  @media (max-width:639px){
    .timeline::before{left:10px;}
    .tl-item{padding-left:36px;}
    .tl-item::before{left:6px;top:24px;}
    .tl-card{padding:16px 18px;}
    .tl-card h3{font-size:16px;}
    .tl-card p{font-size:14px;}
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:800px;margin:0 auto;}
  .faq-item{
    background:#F7F9FB;border:1px solid var(--line);border-radius:14px;
    margin-bottom:12px;overflow:hidden;
    transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{background:#F2F6F9;border-color:var(--line-strong);}
  .faq-item[open]{
    background:#fff;border-left:3px solid var(--brand);
    box-shadow:var(--sh-sm);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;gap:14px;
    min-height:56px;padding:14px 20px;
    font-size:16px;font-weight:600;color:var(--ink);
    line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";margin-left:auto;flex:none;
    width:24px;height:24px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:400;color:var(--brand);
    background:#fff;border:1px solid var(--line-strong);
    transition:transform .2s ease,background .2s ease;
  }
  .faq-item[open] summary::after{content:"−";background:var(--brand-soft);transform:rotate(180deg);}
  .faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--body);}
  @media (max-width:639px){
    .faq-item summary{font-size:15px;padding:12px 16px;gap:10px;}
    .faq-answer{padding:0 16px 16px;font-size:14px;}
  }

  /* ---------- 相关分类三宫格 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:1023px){.rel-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:639px){.rel-grid{grid-template-columns:1fr;}}
  .rel-card{
    display:flex;flex-direction:column;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
  .rel-card img{width:100%;height:150px;object-fit:cover;border-bottom:1px solid var(--line);}
  .rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .rel-body h3{font-size:17px;}
  .rel-body p{font-size:14px;color:var(--muted);line-height:1.75;}
  .rel-body .btn-link{margin-top:auto;padding:0;}
  .rel-current{
    display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
    padding:3px 10px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand-deep);
    font-size:12px;font-weight:600;
  }

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;overflow:hidden;
    background:var(--brand-soft);border:1px solid var(--line-strong);border-radius:var(--r-card);
    padding:40px 44px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    box-shadow:var(--sh-sm);
  }
  .cta-panel::before{
    content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle, rgba(242,145,61,.16) 0%, rgba(242,145,61,0) 70%);
  }
  .cta-text{position:relative;z-index:2;}
  .cta-text h2{font-size:24px;}
  .cta-text p{margin-top:8px;font-size:15px;color:var(--body);max-width:560px;}
  .cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:14px;flex:none;}
  @media (max-width:767px){
    .cta-panel{flex-direction:column;align-items:flex-start;padding:28px 24px;}
    .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
    .cta-actions .btn{width:100%;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
  .footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
  @media (max-width:1023px){.footer-main{grid-template-columns:1fr 1fr;gap:32px;}}
  @media (max-width:639px){.footer-main{grid-template-columns:1fr;gap:28px;}}
  .footer-brand .brand{margin-bottom:14px;}
  .footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;}
  .footer-key{margin-top:12px;font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.2px;}
  .footer-col-title{font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.2px;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:14px;color:var(--muted);
    text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;
    transition:color .18s ease,text-decoration-color .18s ease;
    width:fit-content;
  }
  .footer-links a:hover{color:var(--brand);text-decoration-color:var(--brand);}
  .footer-note{font-size:13px;color:var(--muted);line-height:1.8;}
  .footer-note strong{color:var(--body);font-weight:600;}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  }
  .footer-copy{font-size:13px;color:var(--muted);}
  .footer-policy{display:flex;gap:20px;}
  .footer-policy a{font-size:13px;color:var(--muted);}
  .footer-policy a:hover{color:var(--brand);}

  .skip-link{
    position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
    padding:10px 18px;border-radius:0 0 10px 0;z-index:100;
  }
  .skip-link:focus{left:0;}