/* roulang page: index */
:root{
    --c-primary:#1E6BF5;
    --c-primary-d:#1755C9;
    --c-primary-soft:#EAF1FF;
    --c-accent:#FF6A1A;
    --c-bg:#F6F8FC;
    --c-card:#FFFFFF;
    --c-line:#E4EBF6;
    --c-title:#111C2E;
    --c-body:#33445C;
    --c-sub:#5C6B84;
    --c-mute:#94A3B8;
    --r-card:16px;
    --r-ctrl:12px;
    --r-btn:10px;
    --sh-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
    --sh-hover:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-body);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
  h1,h2,h3,h4{margin:0;color:var(--c-title);line-height:1.18;letter-spacing:-.02em;font-weight:800}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .container{padding:0 32px} }

  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .section-tight{padding:40px 0}
  @media (min-width:1024px){ .section-tight{padding:56px 0} }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 8px 22px -16px rgba(16,35,74,.5)}
  .nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;flex-wrap:wrap}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.03em;
    box-shadow:0 8px 18px -10px rgba(30,107,245,.9);
  }
  .brand-text{font-weight:800;font-size:18px;color:var(--c-title);line-height:1.15;letter-spacing:-.01em;white-space:nowrap}
  .brand-text em{display:block;font-style:normal;font-size:10px;font-weight:500;color:var(--c-mute);letter-spacing:.12em;margin-top:3px}
  .nav-chips{
    display:flex;align-items:center;gap:4px;background:#F1F5FB;border-radius:999px;
    padding:4px;flex:1;justify-content:center;min-width:0;
  }
  .chip{
    padding:8px 16px;border-radius:999px;font-size:14px;color:var(--c-sub);
    white-space:nowrap;transition:background .18s ease,color .18s ease;line-height:1.4;
  }
  .chip:hover{background:#E3ECFB;color:var(--c-primary-d)}
  .chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:0 2px 6px rgba(16,35,74,.10)}
  .nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
  .nav-link{font-size:14px;color:var(--c-sub);transition:color .18s ease}
  .nav-link:hover{color:var(--c-primary)}
  @media (max-width:1023px){
    .nav-wrap{gap:12px;padding-top:10px;padding-bottom:10px;min-height:64px}
    .nav-actions{margin-left:auto}
    .nav-chips{
      order:3;flex:0 0 100%;justify-content:flex-start;overflow-x:auto;
      scrollbar-width:none;-webkit-overflow-scrolling:touch;
      -webkit-mask-image:linear-gradient(to right,#000 90%,transparent);
      mask-image:linear-gradient(to right,#000 90%,transparent);
    }
    .nav-chips::-webkit-scrollbar{display:none}
    .nav-link{display:none}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;min-height:44px;line-height:1.4;
    transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -8px rgba(30,107,245,.55)}
  .btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(30,107,245,.6)}
  .btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.6)}
  .btn-ghost{background:#fff;border-color:#D7E2F3;color:var(--c-primary)}
  .btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-1px)}
  .btn-ghost:active{transform:none}
  .btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
  .btn-block{width:100%}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:gap .18s ease,color .18s ease}
  .link-arrow:hover{gap:10px;color:var(--c-primary-d)}

  /* ---------- 通用组件 ---------- */
  .card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card)}
  .card-hover{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .card-hover:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D8E4F7}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
    background:var(--c-primary-soft);color:var(--c-primary-d);font-size:12px;font-weight:600;line-height:1.6;
  }
  .tag-accent{background:#FFF1E8;color:#C24A08}
  .tag-line{background:#fff;border:1px solid var(--c-line);color:var(--c-sub);font-weight:500}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
  @media (min-width:1024px){ .sec-head{margin-bottom:40px} }
  .sec-kicker{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--c-primary);margin-bottom:10px}
  .sec-title{font-size:24px;font-weight:800}
  @media (min-width:1024px){ .sec-title{font-size:32px} }
  .sec-desc{font-size:14px;color:var(--c-sub);max-width:560px;margin-top:10px;line-height:1.75}
  .divider{height:1px;background:var(--c-line);border:0;margin:0}
  .shot{border-radius:14px;overflow:hidden;background:#E9EFF9}
  .shot img{width:100%;height:100%;object-fit:cover}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    background:
      radial-gradient(720px 420px at 88% 8%, #EAF1FF 0%, rgba(234,241,255,0) 68%),
      radial-gradient(560px 360px at 4% 92%, #EAF1FF 0%, rgba(234,241,255,0) 70%),
      var(--c-bg);
  }
  .hero-inner{display:grid;gap:36px;padding:48px 0 56px}
  @media (min-width:1024px){
    .hero-inner{grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:72px 0 84px}
  }
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;padding:5px 14px 5px 10px;
    border:1px solid rgba(255,106,26,.45);border-radius:999px;background:#fff;
    font-size:12px;font-weight:600;color:#C24A08;letter-spacing:.06em;margin-bottom:18px;
  }
  .live-dot{
    width:8px;height:8px;border-radius:999px;background:var(--c-accent);
    animation:pulse 1.9s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(255,106,26,.55)}
    70%{box-shadow:0 0 0 10px rgba(255,106,26,0)}
    100%{box-shadow:0 0 0 0 rgba(255,106,26,0)}
  }
  @media (prefers-reduced-motion:reduce){ .live-dot{animation:none} html{scroll-behavior:auto} }
  .hero h1{font-size:28px;font-weight:800;max-width:660px}
  @media (min-width:1024px){ .hero h1{font-size:44px} }
  .hero-sub{font-size:17px;font-weight:600;color:var(--c-title);margin-top:16px;max-width:560px}
  .hero-note{font-size:14px;color:var(--c-sub);margin-top:10px;max-width:560px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  @media (max-width:519px){ .hero-cta .btn{width:100%} }
  .hero-media{position:relative;padding:14px}
  .hero-shot{position:relative;border-radius:14px;overflow:hidden;background:#E9EFF9;aspect-ratio:16/9}
  .hero-shot img{width:100%;height:100%;object-fit:cover}
  .hero-livebar{
    position:absolute;left:12px;right:12px;bottom:12px;
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    padding:8px 12px;border-radius:10px;background:rgba(14,23,41,.72);
    color:#fff;font-size:12px;letter-spacing:.02em;
  }
  .hero-livebar .score{font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;color:#fff}
  .hero-livebar .sep{width:1px;height:12px;background:rgba(255,255,255,.28)}
  .hero-float{
    position:absolute;right:-6px;bottom:-10px;background:#fff;border:1px solid var(--c-line);
    border-radius:14px;box-shadow:var(--sh-hover);padding:10px 16px;text-align:left;
  }
  .hero-float strong{display:block;font-size:20px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
  .hero-float span{font-size:11px;color:var(--c-sub);letter-spacing:.04em}
  @media (max-width:519px){ .hero-float{right:2px;bottom:-8px;padding:8px 12px} }

  /* ---------- 数据条 ---------- */
  .stat-bar{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--sh-card);display:grid;grid-template-columns:repeat(2,1fr);
    overflow:hidden;
  }
  @media (min-width:768px){ .stat-bar{grid-template-columns:repeat(4,1fr)} }
  .stat-cell{padding:20px 18px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
  @media (min-width:768px){
    .stat-cell{border-bottom:0}
    .stat-cell:last-child{border-right:0}
  }
  .stat-cell:nth-child(2n){border-right:0}
  @media (min-width:768px){ .stat-cell:nth-child(2n){border-right:1px solid var(--c-line)} }
  .stat-cell strong{display:block;font-size:26px;font-weight:800;color:var(--c-title);font-variant-numeric:tabular-nums;line-height:1.2}
  @media (min-width:768px){ .stat-cell strong{font-size:30px} }
  .stat-cell span{display:block;font-size:13px;color:var(--c-sub);margin-top:4px}

  /* ---------- 能力拼贴 ---------- */
  .ability-grid{display:grid;gap:24px}
  @media (min-width:1024px){ .ability-grid{grid-template-columns:7fr 5fr} }
  .ability-main{padding:28px;display:flex;flex-direction:column;gap:18px}
  @media (min-width:1024px){ .ability-main{padding:34px} }
  .ability-main .shot{aspect-ratio:16/8}
  .ability-side{display:grid;gap:16px}
  .ability-item{display:flex;gap:14px;padding:18px 20px;align-items:flex-start}
  .ability-item .bar{width:4px;align-self:stretch;border-radius:999px;background:var(--c-accent);flex-shrink:0}
  .ability-item h3{font-size:17px;font-weight:700}
  .ability-item p{font-size:14px;color:var(--c-sub);margin-top:6px;line-height:1.7}
  .icon-badge{
    width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-weight:800;font-size:16px;flex-shrink:0;
  }

  /* ---------- 优势双栏 ---------- */
  .split{display:grid;gap:36px}
  @media (min-width:1024px){ .split{grid-template-columns:1fr 1fr;gap:56px;align-items:start} }
  .point-list{display:grid;gap:18px;margin-top:24px}
  .point{display:flex;gap:14px;align-items:flex-start}
  .point .dot{
    width:26px;height:26px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:4px;
  }
  .point h3{font-size:16px;font-weight:700}
  .point p{font-size:14px;color:var(--c-sub);margin-top:4px;line-height:1.7}
  .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .matrix-cell{padding:22px 20px;background:#fff}
  .matrix-cell strong{display:block;font-size:26px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
  .matrix-cell span{display:block;font-size:13px;color:var(--c-sub);margin-top:6px;line-height:1.6}
  .matrix-cell em{display:block;font-style:normal;font-size:11px;color:var(--c-mute);margin-top:8px;letter-spacing:.05em}

  /* ---------- 资讯卡 ---------- */
  .news-grid{display:grid;gap:20px}
  @media (min-width:640px){ .news-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr);gap:24px} }
  .news-card{display:flex;flex-direction:column;gap:12px;padding:22px;background:#fff}
  .news-card h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
  .news-card .excerpt{font-size:14px;color:var(--c-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-mute)}
  .news-card:hover h3{color:var(--c-primary)}
  .news-card:hover .arrow{transform:translateX(4px);color:var(--c-primary)}
  .arrow{display:inline-block;transition:transform .18s ease,color .18s ease;color:var(--c-mute)}
  .empty-state{
    grid-column:1/-1;background:#fff;border:1px dashed #CFDCF2;border-radius:var(--r-card);
    padding:40px 24px;text-align:center;
  }
  .empty-state strong{display:block;font-size:16px;color:var(--c-title);font-weight:700;margin-bottom:6px}
  .empty-state span{font-size:14px;color:var(--c-sub)}

  /* ---------- 案例混排 ---------- */
  .case-grid{display:grid;gap:20px}
  @media (min-width:768px){ .case-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .case-grid{grid-template-columns:1fr 1fr .72fr;gap:24px} }
  .case-card{overflow:hidden;display:flex;flex-direction:column}
  .case-card .shot{border-radius:0;aspect-ratio:16/9}
  .case-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .case-body h3{font-size:19px;font-weight:700;line-height:1.45}
  .case-body p{font-size:14px;color:var(--c-sub);line-height:1.7}
  .case-narrow{display:flex;flex-direction:column;gap:0;background:#0E1729;color:#fff;border-color:#0E1729}
  .case-narrow .case-body h3,.case-narrow .case-body p{color:#fff}
  .case-narrow .case-body p{color:#B9C6DC}
  .case-narrow .tag{background:rgba(255,106,26,.16);color:#FFB488}
  .case-narrow .link-arrow{color:#8FB6FF}
  .case-narrow .link-arrow:hover{color:#fff}

  /* ---------- 方案对比行 ---------- */
  .plan-list{display:grid;gap:14px}
  .plan-row{
    display:grid;gap:14px;padding:22px;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-card);box-shadow:var(--sh-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  @media (min-width:900px){
    .plan-row{grid-template-columns:200px 1fr auto;align-items:center;gap:24px}
  }
  .plan-row:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D8E4F7}
  .plan-row h3{font-size:18px;font-weight:700}
  .plan-row .plan-note{font-size:12px;color:var(--c-mute);margin-top:4px}
  .plan-tags{display:flex;flex-wrap:wrap;gap:8px}

  /* ---------- FAQ ---------- */
  .faq-layout{display:grid;gap:28px}
  @media (min-width:1024px){ .faq-layout{grid-template-columns:4fr 8fr;gap:56px;align-items:start} }
  .faq-sticky{position:sticky;top:96px}
  .faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-card);margin-bottom:12px;overflow:hidden}
  .faq-item summary{
    cursor:pointer;list-style:none;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;
    gap:16px;font-size:16px;font-weight:600;color:var(--c-title);transition:background .18s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{background:#F8FBFF}
  .faq-item summary::after{
    content:"+";flex-shrink:0;width:24px;height:24px;border-radius:999px;background:var(--c-primary-soft);
    color:var(--c-primary);display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  }
  .faq-item[open] summary::after{content:"−"}
  .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-sub)}

  /* ---------- 联系表单 ---------- */
  .contact-wrap{display:grid;gap:32px}
  @media (min-width:1024px){ .contact-wrap{grid-template-columns:5fr 6fr;gap:56px;align-items:start} }
  .contact-card{padding:26px}
  @media (min-width:768px){ .contact-card{padding:34px} }
  .field{display:block;margin-bottom:16px}
  .field label{display:block;font-size:13px;color:var(--c-sub);font-weight:500;margin-bottom:7px}
  .input,.select,.textarea{
    width:100%;border:1px solid var(--c-line);border-radius:var(--r-ctrl);background:#FBFDFF;
    padding:11px 14px;font-size:15px;min-height:44px;line-height:1.6;
    transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .textarea{min-height:120px;resize:vertical}
  .input::placeholder,.textarea::placeholder{color:var(--c-mute)}
  .input:focus,.select:focus,.textarea:focus{
    outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(30,107,245,.12);
  }
  .form-grid{display:grid;gap:0 16px}
  @media (min-width:640px){ .form-grid{grid-template-columns:1fr 1fr} }
  .form-tip{font-size:12px;color:var(--c-mute);margin-top:12px;line-height:1.7}
  .contact-points{display:grid;gap:14px;margin-top:26px}
  .contact-point{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--c-sub)}
  .contact-point .num{
    width:24px;height:24px;border-radius:8px;background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:3px;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0E1729;color:#B9C6DC;padding:56px 0 0;margin-top:0}
  @media (min-width:1024px){ .site-footer{padding-top:72px} }
  .footer-grid{display:grid;gap:32px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px} }
  .footer-brand .brand-mark{background:#1B2A47;color:#fff;box-shadow:none}
  .footer-brand .brand-text{color:#fff}
  .footer-brand .brand-text em{color:#7A8BA6}
  .footer-desc{font-size:14px;line-height:1.8;color:#93A3BC;margin-top:16px;max-width:320px}
  .footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
  .footer-links{display:grid;gap:10px}
  .footer-links a{font-size:14px;color:#93A3BC;transition:color .18s ease}
  .footer-links a:hover{color:#fff}
  .footer-contact{display:grid;gap:10px;font-size:14px;color:#93A3BC}
  .footer-contact strong{color:#fff;font-weight:600}
  .footer-bottom{
    margin-top:40px;border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
    font-size:13px;color:#7A8BA6;
  }
  .footer-bottom a{color:#93A3BC}
  .footer-bottom a:hover{color:#fff}

/* roulang page: article */
:root{
  --c-primary:#1E6BF5;
  --c-primary-d:#1755C9;
  --c-primary-soft:#EAF1FF;
  --c-accent:#FF6A1A;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E4EBF6;
  --c-title:#111C2E;
  --c-text:#33445C;
  --c-muted:#5C6B84;
  --c-faint:#94A3B8;
  --c-dark:#0E1729;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-img:14px;
  --shadow-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
  --shadow-hover:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}

body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* 阅读进度 */
.read-progress{
  position:fixed;top:0;left:0;right:0;height:3px;
  z-index:80;background:transparent;pointer-events:none;
}
.read-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transition:width 120ms linear;
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 26px -20px rgba(16,35,74,.55);
}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  min-height:72px;padding-top:8px;padding-bottom:8px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;letter-spacing:-.02em;
  box-shadow:0 8px 18px -10px rgba(30,107,245,.75);
}
.brand-text{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:800;line-height:1.2;
  color:var(--c-title);letter-spacing:-.01em;
}
.brand-text em{
  font-style:normal;font-size:10px;font-weight:500;
  letter-spacing:.08em;color:var(--c-faint);margin-top:3px;
}
.nav-chips{
  display:flex;align-items:center;gap:2px;
  background:#F1F5FB;border-radius:999px;padding:4px;
  margin-left:auto;margin-right:auto;
  overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  padding:8px 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:var(--c-muted);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.chip:hover{background:#E3ECFB;color:var(--c-primary-d)}
.chip.is-active{
  background:#fff;color:var(--c-primary);
  box-shadow:0 2px 6px rgba(16,35,74,.08);
}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-link{font-size:14px;font-weight:600;color:var(--c-muted);transition:color var(--ease)}
.nav-link:hover{color:var(--c-primary)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.4;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-primary{
  background:var(--c-primary);color:#fff;
  box-shadow:0 8px 20px -8px rgba(30,107,245,.55);
}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.55)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:#C9DCFF;transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* 面包屑与文章头部 */
.article-head{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:32px 0 48px;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-faint);margin-bottom:26px;
}
.crumbs a{color:var(--c-muted);transition:color var(--ease)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C7D3E6}
.crumbs .current{
  color:var(--c-muted);max-width:360px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-title{
  font-size:44px;line-height:1.15;font-weight:800;
  letter-spacing:-.02em;color:var(--c-title);
  max-width:880px;margin-bottom:22px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--c-muted);
}
.meta-cat{
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:999px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C7D3E6}
.meta-live{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--c-accent);border:1px solid rgba(255,106,26,.35);
  background:rgba(255,106,26,.06);
  padding:4px 10px;border-radius:999px;
}
.meta-live i{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  animation:pulse 1.8s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}
@media (prefers-reduced-motion: reduce){
  .meta-live i{animation:none}
  html{scroll-behavior:auto}
}

/* 主体布局 */
.article-main{padding:56px 0 96px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;align-items:start;
}
.article-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:44px 48px;
}

/* 正文排版 */
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;color:var(--c-text);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;color:var(--c-title);
  margin:40px 0 18px;padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:600;color:var(--c-title);
  margin:32px 0 14px;
}
.article-body h4{
  font-size:17px;font-weight:700;color:var(--c-title);margin:24px 0 12px;
}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:1.4em}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--c-primary)}
.article-body strong{color:var(--c-title);font-weight:700}
.article-body em{font-style:normal;color:var(--c-primary-d)}
.article-body a{
  color:var(--c-primary);
  border-bottom:1px solid rgba(30,107,245,.32);
  transition:border-color var(--ease),color var(--ease);
}
.article-body a:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary-d)}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;
  background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#23406F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  margin:28px auto;border-radius:var(--r-img);
  background:#E9EFF9;
}
.article-body figure{margin:28px 0}
.article-body figcaption{
  font-size:13px;line-height:1.7;color:var(--c-faint);
  text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:24px 0;font-size:15px;
  border-radius:var(--r-sm);
}
.article-body th,.article-body td{
  border:1px solid var(--c-line);
  padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:#F1F5FB;color:var(--c-title);font-weight:600}
.article-body tr:hover td{background:#FAFCFF}
.article-body code{
  background:#F1F5FB;border-radius:6px;padding:2px 6px;font-size:.92em;
}
.article-body hr{
  border:0;border-top:1px solid var(--c-line);margin:32px 0;
}

/* 文末入口 */
.article-foot{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:36px;padding-top:28px;
  border-top:1px solid var(--c-line);
}
.article-empty{padding:40px 0 8px}
.article-empty h2{
  font-size:24px;font-weight:700;color:var(--c-title);margin-bottom:22px;
}

/* 侧栏 */
.article-aside{
  position:sticky;top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.aside-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:22px;
}
.aside-title{
  font-size:14px;font-weight:700;color:var(--c-title);
  letter-spacing:.02em;margin-bottom:14px;
}
.info-list{display:flex;flex-direction:column;gap:12px;font-size:13.5px}
.info-list li{display:flex;justify-content:space-between;gap:14px;color:var(--c-muted)}
.info-list b{color:var(--c-title);font-weight:600;text-align:right;max-width:170px}
.aside-links{display:flex;flex-direction:column;gap:2px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;color:var(--c-muted);
  padding:9px 10px;border-radius:10px;
  transition:background var(--ease),color var(--ease);
}
.aside-links a span{transition:transform var(--ease);color:var(--c-faint)}
.aside-links a:hover{background:var(--c-primary-soft);color:var(--c-primary-d)}
.aside-links a:hover span{transform:translateX(4px);color:var(--c-primary)}
.aside-cta{
  background:var(--c-dark);color:#fff;
  border-radius:var(--r-card);padding:24px;
  box-shadow:0 18px 40px -24px rgba(14,23,41,.9);
}
.aside-cta h3{font-size:17px;font-weight:700;margin-bottom:10px;line-height:1.5}
.aside-cta p{font-size:13.5px;line-height:1.8;color:rgba(201,212,230,.75);margin-bottom:18px}

/* 相关推荐 */
.related{padding:0 0 96px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;
}
.section-title{
  font-size:32px;line-height:1.25;font-weight:700;
  letter-spacing:-.02em;color:var(--c-title);margin-bottom:10px;
}
.section-sub{font-size:14px;color:var(--c-muted)}
.section-link{
  font-size:14px;font-weight:600;color:var(--c-primary);
  white-space:nowrap;transition:color var(--ease);
}
.section-link:hover{color:var(--c-primary-d)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:14px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.thumb{
  aspect-ratio:16/9;border-radius:var(--r-img);
  background:#E9EFF9;overflow:hidden;margin-bottom:16px;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;flex:1;padding:0 4px 4px}
.tag{
  display:inline-flex;align-self:flex-start;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;margin-bottom:12px;
}
.news-card h3{
  font-size:18px;line-height:1.5;font-weight:600;color:var(--c-title);
  margin-bottom:10px;transition:color var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--c-primary)}
.news-card p{
  font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:auto;padding-top:12px;
  border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-faint);
}
.news-meta .arrow{color:var(--c-primary);font-weight:600;transition:transform var(--ease)}
.news-card:hover .news-meta .arrow{transform:translateX(4px)}

/* CTA */
.cta-section{padding:0 0 96px}
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--c-dark);
  border-radius:20px;padding:48px;
  display:grid;grid-template-columns:1.5fr .9fr;
  gap:36px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,107,245,.35),transparent 70%);
  pointer-events:none;
}
.cta-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);
  border:1px solid rgba(255,106,26,.4);
  background:rgba(255,106,26,.08);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.cta-panel h2{
  font-size:30px;line-height:1.3;font-weight:800;
  letter-spacing:-.02em;color:#fff;margin-bottom:14px;
}
.cta-panel p{font-size:15px;line-height:1.8;color:rgba(201,212,230,.78);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}
.cta-actions .btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.28);
}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}

/* 页脚 */
.site-footer{
  background:var(--c-dark);color:#C9D4E6;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text em{color:rgba(201,212,230,.6)}
.site-footer .brand-mark{background:var(--c-primary)}
.footer-desc{
  font-size:13.5px;line-height:1.8;color:rgba(201,212,230,.72);
  margin-top:16px;max-width:340px;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;
  letter-spacing:.02em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:13.5px;color:rgba(201,212,230,.75);
  transition:color var(--ease);
}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(201,212,230,.75)}
.footer-contact strong{color:#fff;font-weight:600;margin-right:6px}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(201,212,230,.55);
}

/* 响应式 */
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;min-height:auto;padding-top:12px;padding-bottom:12px;gap:10px 16px}
  .brand{order:1}
  .nav-actions{order:2;margin-left:auto}
  .nav-chips{
    order:3;width:100%;margin:0;padding-right:20px;
    -webkit-overflow-scrolling:touch;
    -webkit-mask-image:linear-gradient(to right,#000 88%,transparent);
    mask-image:linear-gradient(to right,#000 88%,transparent);
  }
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-aside{position:static}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .article-card{padding:32px 26px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:22px}
  .cta-panel h2{font-size:24px}
  .section-title{font-size:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:640px){
  body .container{padding-left:20px;padding-right:20px}
  .article-head{padding:24px 0 36px}
  .article-title{font-size:28px;line-height:1.25}
  .article-main{padding:36px 0 64px}
  .article-card{padding:24px 20px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px;margin:30px 0 14px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .related{padding-bottom:64px}
  .cta-section{padding-bottom:64px}
  .cta-panel{padding:28px 22px;border-radius:16px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .nav-link{display:none}
  .btn-sm{padding:9px 16px}
}

/* roulang page: category1 */
:root{
    --c-primary:#1E6BF5;
    --c-primary-d:#1755C9;
    --c-primary-soft:#EAF1FF;
    --c-accent:#FF6A1A;
    --c-bg:#F6F8FC;
    --c-card:#FFFFFF;
    --c-line:#E4EBF6;
    --c-ink:#111C2E;
    --c-body:#33445C;
    --c-sub:#5C6B84;
    --c-mute:#94A3B8;
    --r-card:16px;
    --r-sm:12px;
    --r-btn:10px;
    --r-img:14px;
    --shadow-card:0 2px 4px rgba(16,35,74,.04),0 12px 28px -12px rgba(16,35,74,.12);
    --shadow-hover:0 6px 12px rgba(16,35,74,.06),0 20px 40px -16px rgba(16,35,74,.18);
    --shadow-btn:0 8px 20px -8px rgba(30,107,245,.55);
    --ease:200ms ease;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    background:var(--c-bg);
    color:var(--c-body);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;cursor:pointer}
  h1,h2,h3,h4,p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid rgba(30,107,245,.55);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .num{font-variant-numeric:tabular-nums}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:box-shadow var(--ease),border-color var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px -14px rgba(16,35,74,.45)}
  .nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.02em;
    box-shadow:0 8px 20px -10px rgba(30,107,245,.75);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:-.01em}
  .brand-text em{font-style:normal;font-weight:400;font-size:10px;color:var(--c-mute);letter-spacing:.06em;margin-top:3px}
  .nav-chips{
    display:flex;align-items:center;gap:4px;
    background:#F1F5FB;border-radius:999px;padding:4px;
    margin-left:auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--c-sub);
    white-space:nowrap;transition:background var(--ease),color var(--ease),box-shadow var(--ease);
  }
  .chip:hover{background:#E3ECFB;color:var(--c-ink)}
  .chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:0 2px 6px rgba(16,35,74,.10)}
  .nav-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
  .nav-link{font-size:14px;color:var(--c-sub);border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease)}
  .nav-link:hover{color:var(--c-primary);border-bottom-color:var(--c-accent)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1.4;white-space:nowrap;
    transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-btn)}
  .btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
  .btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.6)}
  .btn-ghost{background:#fff;color:var(--c-primary);border-color:#D6E2F7}
  .btn-ghost:hover{background:var(--c-primary-soft);border-color:#BFD5FA;transform:translateY(-1px)}
  .btn-ghost:active{transform:none}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-block{width:100%}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(30,107,245,.45)}

  /* ============ 通用板块 ============ */
  .section{padding:96px 0}
  .section-tight{padding:64px 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
  .section-head .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
    color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
  }
  .h2{font-size:32px;font-weight:700;line-height:1.3;color:var(--c-ink);letter-spacing:-.01em}
  .h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--c-ink)}
  .lead{font-size:15px;color:var(--c-sub);max-width:640px;margin-top:10px}
  .text-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;transition:gap var(--ease),border-color var(--ease)}
  .text-link:hover{gap:10px;border-bottom-color:var(--c-accent)}

  /* ============ 分类首屏 ============ */
  .page-hero{
    padding:72px 0 56px;
    background:radial-gradient(900px 420px at 12% -20%,#EAF1FF 0%,rgba(246,248,252,0) 70%),var(--c-bg);
    border-bottom:1px solid var(--c-line);
  }
  .hero-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:56px;align-items:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    border:1px solid rgba(255,106,26,.45);color:#C24E0C;background:#FFF3EC;
    border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
  }
  .hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
  .hero-title{
    font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--c-ink);
    max-width:720px;
  }
  .hero-title .sep{color:var(--c-accent);margin:0 6px;font-weight:700}
  .hero-title .sub-line{display:block;font-size:34px;color:var(--c-primary);margin-top:6px}
  .hero-sub{font-size:18px;font-weight:600;color:var(--c-ink);margin-top:18px}
  .hero-note{font-size:14px;color:var(--c-sub);margin-top:8px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

  .side-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .side-cover{position:relative;aspect-ratio:16/9;background:#E9EFF9;overflow:hidden}
  .side-cover img{width:100%;height:100%;object-fit:cover}
  .side-overlay{
    position:absolute;left:12px;right:12px;bottom:12px;
    display:flex;align-items:center;gap:10px;
    background:rgba(14,23,41,.78);color:#fff;border-radius:10px;padding:10px 14px;
    font-size:13px;backdrop-filter:blur(2px);
  }
  .side-overlay .live-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s ease-in-out infinite}
  .side-overlay .side-score{margin-left:auto;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em}
  .side-meta{padding:16px 18px;display:flex;justify-content:space-between;font-size:13px;color:var(--c-mute)}
  .side-meta strong{color:var(--c-ink);font-weight:600}

  /* ============ 赛事主体：左筛选 + 右两列 ============ */
  .live-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}
  .filter-panel{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);padding:22px;position:sticky;top:96px;
  }
  .filter-group + .filter-group{margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line)}
  .filter-group h3{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:12px;letter-spacing:.02em}
  .chip-row{display:flex;flex-wrap:wrap;gap:8px}
  .fchip{
    display:inline-flex;align-items:center;justify-content:center;
    padding:6px 13px;border-radius:999px;font-size:13px;
    background:#F4F7FC;color:var(--c-sub);border:1px solid transparent;
    transition:background var(--ease),color var(--ease),border-color var(--ease);
  }
  .fchip:hover{background:#E3ECFB;color:var(--c-ink)}
  .fchip.is-on{background:var(--c-primary-soft);color:var(--c-primary);border-color:#CFE0FE;font-weight:600}
  .filter-tip{font-size:12.5px;color:var(--c-mute);line-height:1.7;margin-top:20px;padding-top:18px;border-top:1px dashed var(--c-line)}

  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .media-card{
    display:flex;flex-direction:column;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8E4F6}
  .card-cover{position:relative;aspect-ratio:16/9;background:#E9EFF9;overflow:hidden}
  .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
  .media-card:hover .card-cover img{transform:scale(1.03)}
  .cover-tag{
    position:absolute;top:12px;left:12px;
    background:rgba(255,255,255,.94);color:var(--c-primary);
    font-size:12px;font-weight:700;border-radius:8px;padding:3px 10px;letter-spacing:.02em;
  }
  .cover-live{
    position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;gap:6px;
    background:rgba(255,106,26,.94);color:#fff;font-size:11.5px;font-weight:700;
    border-radius:8px;padding:3px 9px;letter-spacing:.06em;
  }
  .cover-live .d{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
  .card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
  .badge{
    align-self:flex-start;background:var(--c-primary-soft);color:var(--c-primary);
    font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;
  }
  .card-title{
    font-size:18px;font-weight:700;line-height:1.5;color:var(--c-ink);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color var(--ease);
  }
  .media-card:hover .card-title{color:var(--c-primary)}
  .card-excerpt{
    font-size:14px;color:var(--c-sub);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-meta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
    font-size:13px;color:var(--c-mute);
  }
  .card-meta .arrow{color:var(--c-primary);font-weight:700;transition:transform var(--ease)}
  .media-card:hover .card-meta .arrow{transform:translateX(4px)}

  /* ============ 数据条 ============ */
  .stat-strip{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .stat-item{padding:28px 26px;border-left:1px solid var(--c-line)}
  .stat-item:first-child{border-left:0}
  .stat-item .v{font-size:32px;font-weight:800;color:var(--c-ink);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
  .stat-item .v span{font-size:16px;font-weight:600;color:var(--c-primary);margin-left:4px}
  .stat-item .k{font-size:13.5px;color:var(--c-sub);margin-top:8px}

  /* ============ 流程 ============ */
  .flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .flow-item{
    position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);padding:24px;
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .flow-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .flow-item::after{
    content:"";position:absolute;top:44px;right:-13px;width:14px;height:2px;background:var(--c-line);
  }
  .flow-item:last-child::after{display:none}
  .flow-no{
    width:34px;height:34px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
  }
  .flow-item h3{font-size:16.5px;font-weight:700;color:var(--c-ink);margin-top:14px}
  .flow-item p{font-size:14px;color:var(--c-sub);line-height:1.75;margin-top:8px}

  /* ============ FAQ ============ */
  .faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
  .faq-side{position:sticky;top:104px}
  .faq-side .h2{margin-bottom:14px}
  .faq-side p{font-size:15px;color:var(--c-sub);line-height:1.85;max-width:380px}
  .faq-side .btn{margin-top:24px}
  .faq-item{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
    box-shadow:0 1px 2px rgba(16,35,74,.03);margin-bottom:12px;overflow:hidden;
    transition:box-shadow var(--ease),border-color var(--ease);
  }
  .faq-item:hover{border-color:#D8E4F6}
  .faq-item.is-open{box-shadow:var(--shadow-card);border-color:#D3E2FA}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:0;padding:18px 20px;text-align:left;
    font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  }
  .faq-q .icon{
    flex:0 0 auto;width:24px;height:24px;border-radius:50%;
    background:#F1F5FB;color:var(--c-primary);display:grid;place-items:center;
    font-size:16px;font-weight:700;transition:background var(--ease),transform var(--ease);
  }
  .faq-item.is-open .faq-q .icon{background:var(--c-primary);color:#fff;transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 300ms ease}
  .faq-item.is-open .faq-a{max-height:420px}
  .faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-sub)}

  /* ============ CTA ============ */
  .cta-band{
    background:linear-gradient(120deg,#101B30 0%,#16294A 62%,#123B6B 100%);
    border-radius:20px;padding:56px;
    display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:center;
    box-shadow:0 24px 60px -30px rgba(16,35,74,.55);
  }
  .cta-band .h2{color:#fff}
  .cta-band p{color:#A9BCD6;font-size:15px;line-height:1.85;margin-top:14px;max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
  .cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
  .cta-panel{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:16px;padding:26px;
  }
  .cta-panel .row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14px}
  .cta-panel .row:last-child{border-bottom:0}
  .cta-panel .row span:first-child{color:#93A8C4}
  .cta-panel .row span:last-child{color:#fff;font-weight:600}
  .cta-panel .live-pill{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#FFB48A;
    background:rgba(255,106,26,.14);border:1px solid rgba(255,106,26,.36);
    border-radius:999px;padding:4px 12px;margin-bottom:16px;letter-spacing:.06em;
  }
  .cta-panel .live-pill .d{width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 1.7s ease-in-out infinite}

  /* ============ 页脚 ============ */
  .site-footer{background:#0E1729;color:#8FA3BE;padding-top:64px;margin-top:96px}
  .footer-grid{display:grid;grid-template-columns:1.35fr .85fr .95fr 1fr;gap:40px;padding-bottom:48px}
  .site-footer .brand-text{color:#fff}
  .site-footer .brand-text em{color:#7D90AB}
  .site-footer .brand-mark{background:var(--c-primary);box-shadow:none}
  .footer-desc{font-size:13.5px;line-height:1.85;color:#8FA3BE;margin-top:16px;max-width:320px}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.02em}
  .footer-links{display:flex;flex-direction:column;gap:11px}
  .footer-links a{font-size:13.5px;color:#8FA3BE;transition:color var(--ease),transform var(--ease)}
  .footer-links a:hover{color:#D6E4F7;transform:translateX(2px)}
  .footer-contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px}
  .footer-contact strong{color:#C9D8EC;font-weight:600;margin-right:6px}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.10);
    padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:12.5px;color:#6F82A0;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .container{padding:0 24px}
    .nav-wrap{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;row-gap:12px;gap:16px}
    .nav-actions{margin-left:auto}
    .nav-chips{
      order:3;width:100%;margin-left:0;
      -webkit-mask-image:linear-gradient(to right,#000 88%,transparent 100%);
      mask-image:linear-gradient(to right,#000 88%,transparent 100%);
    }
    .section{padding:68px 0}
    .page-hero{padding:52px 0 44px}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-title{font-size:36px}
    .hero-title .sub-line{font-size:28px}
    .live-layout{grid-template-columns:1fr}
    .filter-panel{position:static}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stat-item:nth-child(3){border-left:0;border-top:1px solid var(--c-line)}
    .stat-item:nth-child(4){border-top:1px solid var(--c-line)}
    .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .flow-item::after{display:none}
    .faq-layout{grid-template-columns:1fr;gap:32px}
    .faq-side{position:static}
    .cta-band{grid-template-columns:1fr;padding:40px;gap:32px}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .footer-desc{max-width:none}
  }

  @media (max-width:767px){
    .card-grid{grid-template-columns:1fr}
    .h2{font-size:26px}
    .hero-title{font-size:30px}
    .hero-title .sub-line{font-size:24px}
    .hero-sub{font-size:16px}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px}
    .nav-link{display:none}
  }

  @media (max-width:520px){
    .container{padding:0 20px}
    .hero-title{font-size:26px}
    .hero-title .sub-line{font-size:21px}
    .hero-cta .btn{width:100%}
    .stat-item{padding:20px 18px}
    .stat-item .v{font-size:26px}
    .flow-grid{grid-template-columns:1fr}
    .cta-band{padding:28px;border-radius:16px}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:8px}
    .btn{min-height:44px}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category2 */
:root{
    --c-primary:#1E6BF5;
    --c-primary-d:#1755C9;
    --c-primary-soft:#EAF1FF;
    --c-accent:#FF6A1A;
    --c-bg:#F6F8FC;
    --c-card:#FFFFFF;
    --c-line:#E4EBF6;
    --c-title:#111C2E;
    --c-text:#33445C;
    --c-mute:#5C6B84;
    --c-faint:#94A3B8;
    --c-dark:#0E1729;
    --r-card:16px;
    --r-sm:12px;
    --r-btn:10px;
    --r-img:14px;
    --shadow-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
    --shadow-hover:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{ display:block; max-width:100%; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; }
  h1,h2,h3,h4,p,ul,ol{ margin:0; }
  ul,ol{ padding:0; list-style:none; }
  :focus-visible{ outline:2px solid var(--c-primary); outline-offset:2px; border-radius:6px; }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:32px;
    padding-right:32px;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--c-line);
    box-shadow:0 6px 20px -14px rgba(16,35,74,.45);
  }
  .nav-wrap{
    display:flex;
    align-items:center;
    gap:20px;
    min-height:72px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:36px;
    height:36px;
    border-radius:11px;
    background:var(--c-primary);
    color:#fff;
    font-size:18px;
    font-weight:800;
    display:grid;
    place-items:center;
    line-height:1;
    box-shadow:0 8px 18px -10px rgba(30,107,245,.95);
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    font-size:17px;
    font-weight:800;
    color:var(--c-title);
    line-height:1.2;
    letter-spacing:-.01em;
  }
  .brand-text em{
    font-style:normal;
    font-size:10px;
    font-weight:500;
    color:var(--c-faint);
    letter-spacing:.02em;
    margin-top:2px;
  }
  .nav-chips{
    display:flex;
    align-items:center;
    gap:4px;
    padding:4px;
    border-radius:999px;
    background:#F1F5FB;
  }
  .chip{
    display:inline-block;
    padding:8px 16px;
    border-radius:999px;
    font-size:13.5px;
    font-weight:600;
    color:var(--c-mute);
    white-space:nowrap;
    transition:background .2s ease, color .2s ease, box-shadow .2s ease;
  }
  .chip:hover{ background:#E3ECFB; color:var(--c-primary-d); }
  .chip.is-active{
    background:#fff;
    color:var(--c-primary);
    box-shadow:0 2px 6px rgba(16,35,74,.10);
  }
  .nav-actions{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:16px;
    flex-shrink:0;
  }
  .nav-link{
    font-size:14px;
    font-weight:600;
    color:var(--c-mute);
    transition:color .2s ease;
  }
  .nav-link:hover{ color:var(--c-primary); }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:12px 24px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .btn-primary{
    background:var(--c-primary);
    color:#fff;
    box-shadow:0 8px 20px -8px rgba(30,107,245,.55);
  }
  .btn-primary:hover{ background:var(--c-primary-d); transform:translateY(-1px); }
  .btn-primary:active{ transform:none; box-shadow:0 4px 12px -8px rgba(30,107,245,.55); }
  .btn-ghost{
    background:#fff;
    color:var(--c-primary);
    border-color:#CBDDFB;
  }
  .btn-ghost:hover{ background:var(--c-primary-soft); border-color:var(--c-primary); }
  .btn-sm{
    min-height:40px;
    padding:9px 18px;
    font-size:14px;
  }
  .btn:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(30,107,245,.30);
  }
  .btn-light{
    background:#fff;
    color:var(--c-dark);
    box-shadow:0 10px 26px -14px rgba(0,0,0,.6);
  }
  .btn-light:hover{ background:var(--c-primary-soft); color:var(--c-primary-d); transform:translateY(-1px); }
  .btn-outline-light{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.34);
  }
  .btn-outline-light:hover{ background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.6); }

  /* ---------- 首屏 ---------- */
  .cat-hero{
    position:relative;
    padding:48px 0 76px;
    background:
      radial-gradient(880px 420px at 84% -10%, #E6EEFF 0%, rgba(246,248,252,0) 64%),
      var(--c-bg);
    border-bottom:1px solid var(--c-line);
    overflow:hidden;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--c-faint);
    margin-bottom:26px;
    flex-wrap:wrap;
  }
  .breadcrumb a{ color:var(--c-mute); transition:color .2s ease; }
  .breadcrumb a:hover{ color:var(--c-primary); }
  .breadcrumb .sep{ color:#C6D2E5; }
  .hero-grid{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:48px;
    align-items:center;
  }
  .badge-live{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:#FFF4EC;
    border:1px solid rgba(255,106,26,.42);
    color:#C2490C;
    font-size:13px;
    font-weight:600;
    margin-bottom:20px;
  }
  .badge-live .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--c-accent);
    animation:pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{ opacity:1; transform:scale(1); }
    50%{ opacity:.4; transform:scale(.78); }
  }
  h1{
    font-size:44px;
    line-height:1.15;
    font-weight:800;
    letter-spacing:-.02em;
    color:var(--c-title);
    max-width:640px;
  }
  h1 .hl{ color:var(--c-primary); }
  .hero-sub{
    margin-top:18px;
    font-size:20px;
    font-weight:600;
    color:var(--c-title);
    line-height:1.5;
  }
  .hero-note{
    margin-top:10px;
    font-size:14px;
    color:var(--c-mute);
    max-width:520px;
    line-height:1.75;
  }
  .hero-actions{
    display:flex;
    gap:12px;
    margin-top:30px;
    flex-wrap:wrap;
  }
  .hero-visual{ position:relative; }
  .hero-card{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:14px;
    box-shadow:var(--shadow-card);
  }
  .media-frame{
    position:relative;
    aspect-ratio:16/9;
    border-radius:var(--r-img);
    overflow:hidden;
    background:#E9EFF9;
  }
  .media-frame img{
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .score-bar{
    position:absolute;
    left:10px;
    right:10px;
    bottom:10px;
    display:flex;
    align-items:center;
    gap:8px;
    padding:10px 14px;
    border-radius:10px;
    background:rgba(14,23,41,.80);
    color:#fff;
    font-size:13px;
    line-height:1.3;
  }
  .score-bar .live-dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--c-accent);
    flex-shrink:0;
    animation:pulse 1.6s ease-in-out infinite;
  }
  .score-bar .team{ color:#C3D0E4; }
  .score-bar .num{
    font-weight:800;
    font-size:16px;
    font-variant-numeric:tabular-nums;
    letter-spacing:.02em;
  }
  .score-bar .sep{ color:#7C8CA8; }
  .score-bar .quarter{
    margin-left:auto;
    font-size:12px;
    color:#9FB0C9;
    font-variant-numeric:tabular-nums;
    white-space:nowrap;
  }
  .float-card{
    position:absolute;
    right:-14px;
    bottom:-22px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-sm);
    padding:14px 18px;
    box-shadow:var(--shadow-hover);
    min-width:158px;
  }
  .float-card .float-label{
    display:block;
    font-size:12px;
    color:var(--c-faint);
  }
  .float-card strong{
    display:block;
    font-size:22px;
    font-weight:800;
    color:var(--c-primary);
    line-height:1.25;
    font-variant-numeric:tabular-nums;
  }
  .float-card .float-meta{
    display:block;
    font-size:11.5px;
    color:var(--c-mute);
  }
  @media (prefers-reduced-motion: reduce){
    .badge-live .dot,
    .score-bar .live-dot{ animation:none; }
    html{ scroll-behavior:auto; }
  }

  /* ---------- 数据条 ---------- */
  .stat-strip{ padding-top:0; margin-top:-34px; position:relative; z-index:3; }
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:18px;
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .stat{
    padding:26px 24px;
    border-left:1px solid var(--c-line);
  }
  .stat:first-child{ border-left:0; }
  .stat strong{
    display:block;
    font-size:30px;
    font-weight:800;
    color:var(--c-title);
    line-height:1.15;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .stat strong i{
    font-style:normal;
    font-size:15px;
    font-weight:600;
    color:var(--c-mute);
    margin-left:3px;
  }
  .stat span{
    display:block;
    margin-top:4px;
    font-size:13.5px;
    color:var(--c-mute);
  }

  /* ---------- 板块通用 ---------- */
  .section{ padding:96px 0; }
  .section-tight{ padding:0 0 96px; }
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:34px;
    flex-wrap:wrap;
  }
  .eyebrow{
    display:inline-block;
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--c-primary);
    margin-bottom:10px;
  }
  h2{
    font-size:32px;
    font-weight:700;
    line-height:1.25;
    color:var(--c-title);
    letter-spacing:-.01em;
  }
  h3{
    font-size:20px;
    font-weight:600;
    color:var(--c-title);
    line-height:1.45;
  }
  .text-link{
    font-size:14px;
    font-weight:600;
    color:var(--c-primary);
    border-bottom:1px solid transparent;
    padding-bottom:1px;
    transition:color .2s ease, border-color .2s ease;
    white-space:nowrap;
  }
  .text-link:hover{ color:var(--c-primary-d); border-bottom-color:var(--c-accent); }
  .tag{
    display:inline-flex;
    align-items:center;
    padding:5px 12px;
    border-radius:999px;
    background:var(--c-primary-soft);
    color:var(--c-primary-d);
    font-size:12.5px;
    font-weight:600;
    line-height:1.5;
  }
  .tag-accent{
    background:#FFF2E9;
    color:#C2490C;
  }

  /* ---------- 特色大卡 ---------- */
  .feature-card{
    display:grid;
    grid-template-columns:1.05fr 1fr;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:box-shadow .25s ease, transform .25s ease;
  }
  .feature-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-2px);
  }
  .feature-media{
    position:relative;
    min-height:340px;
    background:#E9EFF9;
  }
  .feature-media img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .feature-media .media-tag{
    position:absolute;
    left:16px;
    top:16px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 12px;
    border-radius:999px;
    background:rgba(255,255,255,.94);
    color:var(--c-primary-d);
    font-size:12.5px;
    font-weight:700;
  }
  .feature-body{ padding:38px 40px; }
  .feature-body h3{
    margin-top:14px;
    font-size:26px;
    font-weight:700;
    line-height:1.35;
    color:var(--c-title);
    letter-spacing:-.01em;
  }
  .feature-body p{
    margin-top:14px;
    font-size:15px;
    line-height:1.85;
    color:var(--c-mute);
  }
  .check-list{
    display:grid;
    gap:10px;
    margin:22px 0 26px;
  }
  .check-list li{
    position:relative;
    padding-left:26px;
    font-size:14.5px;
    color:var(--c-text);
    line-height:1.7;
  }
  .check-list li::before{
    content:"";
    position:absolute;
    left:2px;
    top:9px;
    width:10px;
    height:5px;
    border-left:2px solid var(--c-primary);
    border-bottom:2px solid var(--c-primary);
    transform:rotate(-45deg);
  }
  .feature-meta{
    display:flex;
    align-items:center;
    gap:18px;
    padding-top:20px;
    border-top:1px dashed var(--c-line);
    font-size:13px;
    color:var(--c-faint);
    flex-wrap:wrap;
  }
  .feature-meta span strong{
    color:var(--c-title);
    font-weight:700;
    font-variant-numeric:tabular-nums;
  }

  /* ---------- 紧凑卡片 ---------- */
  .compact-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .card{
    display:block;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-card);
    overflow:hidden;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .card:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
  }
  .card:hover .card-title{ color:var(--c-primary); }
  .card:hover .thumb img{ transform:scale(1.04); }
  .thumb{
    position:relative;
    aspect-ratio:16/9;
    background:#E9EFF9;
    overflow:hidden;
  }
  .thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s ease;
  }
  .thumb .dur{
    position:absolute;
    right:10px;
    bottom:10px;
    padding:3px 8px;
    border-radius:6px;
    background:rgba(14,23,41,.78);
    color:#fff;
    font-size:11.5px;
    font-variant-numeric:tabular-nums;
  }
  .card-body{ padding:22px 22px 24px; }
  .card-title{
    margin-top:12px;
    font-size:18px;
    font-weight:700;
    line-height:1.5;
    color:var(--c-title);
    transition:color .2s ease;
  }
  .card-desc{
    margin-top:10px;
    font-size:14px;
    line-height:1.75;
    color:var(--c-mute);
  }
  .card-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-top:18px;
    padding-top:14px;
    border-top:1px solid var(--c-line);
    font-size:12.5px;
    color:var(--c-faint);
  }
  .card-foot .arrow{
    color:var(--c-primary);
    font-weight:700;
    transition:transform .2s ease;
  }
  .card:hover .card-foot .arrow{ transform:translateX(4px); }

  /* ---------- 适用场景 ---------- */
  .scene-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
  }
  .scene{
    display:flex;
    gap:18px;
    padding:28px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-card);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .scene:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
    border-color:#CFE0FB;
  }
  .scene-ico{
    flex:0 0 46px;
    width:46px;
    height:46px;
    border-radius:12px;
    background:var(--c-primary-soft);
    color:var(--c-primary);
    display:grid;
    place-items:center;
  }
  .scene-ico svg{ width:22px; height:22px; }
  .scene h3{ font-size:17px; font-weight:700; }
  .scene p{
    margin-top:8px;
    font-size:14px;
    line-height:1.75;
    color:var(--c-mute);
  }

  /* ---------- 流程 ---------- */
  .steps{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .step{
    position:relative;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:28px 24px;
    box-shadow:var(--shadow-card);
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .step:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); }
  .step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:50%;
    background:var(--c-primary-soft);
    color:var(--c-primary-d);
    font-size:13px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    margin-bottom:16px;
  }
  .step h3{ font-size:17px; font-weight:700; }
  .step p{
    margin-top:8px;
    font-size:13.5px;
    line-height:1.75;
    color:var(--c-mute);
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{
    display:grid;
    grid-template-columns:.82fr 1.6fr;
    gap:56px;
    align-items:start;
  }
  .faq-aside{ position:sticky; top:104px; }
  .faq-aside p{
    margin-top:14px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--c-mute);
    max-width:320px;
  }
  .faq-list{ display:grid; gap:12px; }
  .faq-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:12px;
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item.is-open{
    border-color:#CFE0FB;
    box-shadow:var(--shadow-card);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 22px;
    background:transparent;
    border:0;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--c-title);
    cursor:pointer;
    transition:color .2s ease;
  }
  .faq-q:hover{ color:var(--c-primary); }
  .faq-icon{
    position:relative;
    flex:0 0 22px;
    width:22px;
    height:22px;
    border-radius:50%;
    background:var(--c-primary-soft);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    background:var(--c-primary);
    border-radius:2px;
    transform:translate(-50%,-50%);
    transition:opacity .2s ease, transform .2s ease;
  }
  .faq-icon::before{ width:10px; height:2px; }
  .faq-icon::after{ width:2px; height:10px; }
  .faq-item.is-open .faq-icon::after{ opacity:0; transform:translate(-50%,-50%) rotate(90deg); }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .32s ease;
  }
  .faq-item.is-open .faq-a{ max-height:340px; }
  .faq-a p{
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--c-mute);
  }

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;
    overflow:hidden;
    background:var(--c-dark);
    border-radius:24px;
    padding:56px;
    display:grid;
    grid-template-columns:1.35fr .85fr;
    gap:44px;
    align-items:center;
    color:#fff;
  }
  .cta-panel::after{
    content:"";
    position:absolute;
    right:-120px;
    top:-140px;
    width:440px;
    height:440px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(255,106,26,.30) 0%, rgba(255,106,26,0) 68%);
    pointer-events:none;
  }
  .cta-panel h2{
    color:#fff;
    font-size:32px;
    line-height:1.3;
    position:relative;
  }
  .cta-panel p{
    margin-top:14px;
    font-size:15px;
    line-height:1.85;
    color:#A9B8CE;
    max-width:540px;
    position:relative;
  }
  .cta-actions{
    display:flex;
    flex-direction:column;
    gap:12px;
    position:relative;
  }
  .cta-actions .btn{ width:100%; }
  .cta-tip{
    font-size:12.5px;
    color:#7C8CA8;
    text-align:center;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--c-dark);
    color:#A9B8CE;
    padding:64px 0 0;
    margin-top:96px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.15fr;
    gap:40px;
    padding-bottom:48px;
  }
  .site-footer .brand-text{ color:#fff; }
  .site-footer .brand-text em{ color:#7C8CA8; }
  .footer-desc{
    margin-top:16px;
    font-size:13.5px;
    line-height:1.85;
    color:#8C9CB5;
    max-width:340px;
  }
  .footer-col h4{
    font-size:14px;
    font-weight:700;
    color:#fff;
    margin-bottom:16px;
    letter-spacing:.02em;
  }
  .footer-links{
    display:grid;
    gap:11px;
  }
  .footer-links a{
    font-size:13.5px;
    color:#8C9CB5;
    transition:color .2s ease;
  }
  .footer-links a:hover{ color:#DCE6F5; }
  .footer-contact{
    display:grid;
    gap:11px;
    font-size:13.5px;
    color:#8C9CB5;
  }
  .footer-contact strong{
    color:#C9D6E8;
    font-weight:600;
    margin-right:8px;
  }
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding:22px 0 28px;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:12.5px;
    color:#75859D;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-wrap{
      flex-wrap:wrap;
      min-height:auto;
      padding-top:10px;
      padding-bottom:10px;
      row-gap:10px;
    }
    .nav-chips{
      order:3;
      width:100%;
      overflow-x:auto;
      scrollbar-width:none;
      -ms-overflow-style:none;
      -webkit-overflow-scrolling:touch;
      -webkit-mask-image:linear-gradient(to right, #000 88%, transparent 100%);
      mask-image:linear-gradient(to right, #000 88%, transparent 100%);
    }
    .nav-chips::-webkit-scrollbar{ display:none; }
    .nav-actions{ margin-left:auto; }
    .hero-grid{ grid-template-columns:1fr; gap:40px; }
    h1{ font-size:36px; max-width:none; }
    .hero-visual{ max-width:560px; }
    .float-card{ position:static; margin-top:16px; display:inline-block; }
    .feature-card{ grid-template-columns:1fr; }
    .feature-media{ min-height:280px; }
    .feature-body{ padding:30px 28px; }
    .compact-grid{ grid-template-columns:repeat(2,1fr); }
    .scene-grid{ grid-template-columns:1fr; }
    .steps{ grid-template-columns:repeat(2,1fr); }
    .faq-wrap{ grid-template-columns:1fr; gap:28px; }
    .faq-aside{ position:static; }
    .faq-aside p{ max-width:none; }
    .cta-panel{ grid-template-columns:1fr; padding:40px 32px; gap:28px; }
    .footer-grid{ grid-template-columns:repeat(2,1fr); gap:32px; }
    .section{ padding:72px 0; }
    .section-tight{ padding:0 0 72px; }
  }

  @media (max-width:767px){
    .container{ padding-left:20px; padding-right:20px; }
    h1{ font-size:30px; }
    h2{ font-size:26px; }
    .hero-sub{ font-size:18px; }
    .stat-grid{ grid-template-columns:repeat(2,1fr); }
    .stat{ border-left:1px solid var(--c-line); }
    .stat:nth-child(odd){ border-left:0; }
    .stat:nth-child(n+3){ border-top:1px solid var(--c-line); }
    .stat strong{ font-size:26px; }
    .compact-grid{ grid-template-columns:1fr; }
    .steps{ grid-template-columns:1fr; }
    .feature-body h3{ font-size:22px; }
    .cta-panel h2{ font-size:24px; }
    .site-footer{ margin-top:72px; }
  }

  @media (max-width:519px){
    .nav-actions .nav-link{ display:none; }
    .hero-actions .btn{ width:100%; }
    h1{ font-size:27px; }
    .brand-text{ font-size:15.5px; }
    .brand-text em{ font-size:9px; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ justify-content:flex-start; }
    .cta-panel{ padding:32px 22px; border-radius:18px; }
    .feature-body{ padding:24px 20px; }
    .faq-q{ font-size:15px; padding:16px 18px; }
    .faq-a p{ padding:0 18px 18px; font-size:14px; }
  }

/* roulang page: category3 */
:root{
    --c-primary:#1E6BF5;
    --c-primary-d:#1755C9;
    --c-primary-soft:#EAF1FF;
    --c-accent:#FF6A1A;
    --c-bg:#F6F8FC;
    --c-card:#FFFFFF;
    --c-line:#E4EBF6;
    --c-ink:#111C2E;
    --c-body:#33445C;
    --c-mute:#5C6B84;
    --c-weak:#94A3B8;
    --c-dark:#0E1729;
    --r-card:16px;
    --r-sm:12px;
    --r-btn:10px;
    --shadow-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
    --shadow-hover:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    background:var(--c-bg);
    color:var(--c-body);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){ .container{padding:0 32px} }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--c-line);
    box-shadow:0 8px 24px -18px rgba(16,35,74,.5);
  }
  .nav-wrap{
    display:flex;align-items:center;gap:20px;
    min-height:72px;padding-top:10px;padding-bottom:10px;
    flex-wrap:wrap;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;
    background:var(--c-primary);color:#fff;
    display:grid;place-items:center;
    font-weight:800;font-size:18px;line-height:1;
    box-shadow:0 8px 18px -10px rgba(30,107,245,.9);
  }
  .brand-text{
    display:flex;flex-direction:column;line-height:1.2;
    font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:-.01em;
  }
  .brand-text em{
    font-style:normal;font-size:10px;font-weight:500;
    letter-spacing:.08em;color:var(--c-mute);margin-top:4px;
  }
  .nav-chips{
    display:flex;align-items:center;gap:2px;
    background:#F1F5FB;border-radius:999px;padding:4px;
    margin-left:auto;max-width:100%;overflow-x:auto;
    scrollbar-width:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    padding:8px 16px;border-radius:999px;
    font-size:14px;color:var(--c-mute);white-space:nowrap;
    transition:background .2s ease,color .2s ease;
  }
  .chip:hover{background:#E3ECFB;color:var(--c-primary-d)}
  .chip.is-active{
    background:#fff;color:var(--c-primary);font-weight:600;
    box-shadow:0 2px 6px rgba(16,35,74,.10);
  }
  .nav-actions{display:flex;align-items:center;gap:14px;margin-left:12px}
  .nav-link{font-size:14px;color:var(--c-mute);transition:color .2s ease}
  .nav-link:hover{color:var(--c-primary)}
  @media (max-width:1023px){
    .nav-wrap{gap:12px 16px}
    .brand{margin-right:auto}
    .nav-chips{
      order:3;width:100%;margin-left:0;
      -webkit-mask-image:linear-gradient(90deg,#000 0,#000 92%,transparent 100%);
      mask-image:linear-gradient(90deg,#000 0,#000 92%,transparent 100%);
    }
    .nav-actions{order:2;margin-left:0}
  }
  @media (max-width:559px){
    .nav-link{display:none}
    .brand-text em{display:none}
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);padding:12px 24px;
    font-size:15px;font-weight:600;line-height:1.4;
    border:1px solid transparent;cursor:pointer;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    min-height:44px;
  }
  .btn-primary{
    background:var(--c-primary);color:#fff;
    box-shadow:0 8px 20px -8px rgba(30,107,245,.55);
  }
  .btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
  .btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.7)}
  .btn-ghost{
    background:#fff;color:var(--c-primary);border-color:#C9DBFB;
  }
  .btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
  .btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,107,245,.28)}
  .btn-block{width:100%}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--c-primary-d);
    transition:color .2s ease;
  }
  .link-arrow:hover{color:var(--c-primary)}
  .link-arrow span{transition:transform .2s ease}
  .link-arrow:hover span{transform:translateX(4px)}

  /* ---------- hero ---------- */
  .page-hero{
    padding:44px 0 40px;
    background:
      radial-gradient(900px 340px at 12% -20%, var(--c-primary-soft), transparent 72%),
      var(--c-bg);
    border-bottom:1px solid var(--c-line);
  }
  @media (min-width:1024px){ .page-hero{padding:64px 0 56px} }
  .hero-grid{display:grid;gap:34px;align-items:center}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:7fr 5fr;gap:48px} }
  .live-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:999px;
    border:1px solid rgba(255,106,26,.42);
    background:#fff;color:var(--c-accent);
    font-size:12px;font-weight:700;letter-spacing:.06em;
  }
  .live-dot{
    width:7px;height:7px;border-radius:50%;background:var(--c-accent);
    animation:blink 1.8s ease-in-out infinite;
  }
  @keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
  @media (prefers-reduced-motion:reduce){ .live-dot{animation:none} }
  .page-hero h1{
    font-size:28px;line-height:1.18;font-weight:800;
    letter-spacing:-.02em;color:var(--c-ink);
    margin:16px 0 14px;max-width:660px;
  }
  @media (min-width:1024px){ .page-hero h1{font-size:44px} }
  .hero-sub{font-size:17px;font-weight:600;color:var(--c-body);max-width:560px}
  .hero-note{font-size:14px;color:var(--c-mute);margin-top:8px;max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-media{
    position:relative;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:12px;box-shadow:var(--shadow-card);
    margin-bottom:18px;
  }
  .hero-media .frame{
    border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#E9EFF9;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .media-strip{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:12px;padding:10px 14px;border-radius:12px;
    background:rgba(14,23,41,.92);color:#DCE6F5;font-size:13px;
  }
  .media-strip strong{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
  .media-strip .dot{
    width:7px;height:7px;border-radius:50%;background:var(--c-accent);
    display:inline-block;margin-right:6px;animation:blink 1.8s ease-in-out infinite;
  }
  @media (prefers-reduced-motion:reduce){ .media-strip .dot{animation:none} }
  .hero-float{
    position:absolute;right:-6px;bottom:-16px;
    background:#fff;border:1px solid var(--c-line);
    border-radius:12px;padding:10px 16px;
    box-shadow:var(--shadow-hover);
  }
  .hero-float b{display:block;font-size:20px;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.2}
  .hero-float span{font-size:12px;color:var(--c-mute)}

  /* ---------- sections ---------- */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .section-tight{padding:44px 0}
  @media (min-width:1024px){ .section-tight{padding:64px 0} }
  .section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
  .section-head{
    display:flex;justify-content:space-between;align-items:flex-end;
    gap:20px;margin-bottom:26px;flex-wrap:wrap;
  }
  .section-title{
    font-size:24px;font-weight:700;color:var(--c-ink);
    letter-spacing:-.01em;line-height:1.3;
  }
  @media (min-width:1024px){ .section-title{font-size:32px} }
  .section-sub{font-size:15px;color:var(--c-mute);margin-top:8px;max-width:640px}

  /* ---------- stat bar ---------- */
  .stat-bar{
    display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
    background:var(--c-line);border:1px solid var(--c-line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  }
  @media (min-width:900px){ .stat-bar{grid-template-columns:repeat(4,1fr)} }
  .stat-item{background:#fff;padding:22px 20px}
  .stat-num{
    font-size:28px;font-weight:800;color:var(--c-ink);
    letter-spacing:-.02em;line-height:1.2;font-variant-numeric:tabular-nums;
  }
  .stat-num span{font-size:13px;font-weight:600;color:var(--c-mute);margin-left:4px}
  .stat-label{font-size:13px;color:var(--c-mute);margin-top:4px}

  /* ---------- schedule timeline ---------- */
  .filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
  .filter-chip{
    padding:8px 16px;border-radius:999px;background:#fff;
    border:1px solid var(--c-line);font-size:14px;color:var(--c-mute);
    transition:background .2s ease,border-color .2s ease,color .2s ease;
  }
  .filter-chip:hover{border-color:#C9DBFB;color:var(--c-primary-d)}
  .filter-chip.is-on{
    background:var(--c-primary);border-color:var(--c-primary);
    color:#fff;font-weight:600;
  }
  .sched{
    background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;
  }
  .sched-row{
    display:grid;grid-template-columns:76px 1fr;gap:16px;
    padding:18px;align-items:center;
    transition:background .18s ease;
  }
  .sched-row + .sched-row{border-top:1px solid var(--c-line)}
  .sched-row:hover{background:#F5F9FF}
  @media (min-width:768px){
    .sched-row{grid-template-columns:96px 1fr auto;gap:24px;padding:20px 24px}
  }
  .date-block{
    background:var(--c-primary-soft);border-radius:var(--r-sm);
    padding:10px 6px;text-align:center;color:var(--c-primary-d);
    display:flex;flex-direction:column;gap:2px;
  }
  .date-mon{font-size:11px;color:var(--c-mute);letter-spacing:.04em}
  .date-day{font-size:21px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
  .date-week{font-size:11px;color:var(--c-mute)}
  .match-title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5}
  @media (min-width:768px){ .match-title{font-size:18px} }
  .match-title .vs{color:var(--c-weak);font-weight:500;font-size:13px;margin:0 6px}
  .match-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;
    font-size:13px;color:var(--c-mute);margin-top:6px;
  }
  .league-tag{
    display:inline-block;background:var(--c-primary-soft);
    color:var(--c-primary-d);font-size:12px;font-weight:600;
    padding:2px 10px;border-radius:999px;
  }
  .match-right{display:flex;align-items:center;gap:10px;margin-top:6px}
  @media (min-width:768px){ .match-right{justify-content:flex-end;margin-top:0} }
  .badge{
    font-size:12px;font-weight:600;padding:4px 12px;
    border-radius:999px;white-space:nowrap;line-height:1.6;
  }
  .badge-hot{background:#FFF0E6;color:#C2470A;border:1px solid #FFD9C2}
  .badge-soon{background:var(--c-primary-soft);color:var(--c-primary-d);border:1px solid #CFE0FF}
  .badge-done{background:#F1F5FB;color:var(--c-mute);border:1px solid var(--c-line)}
  .sched-foot{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:12px;padding:16px 24px;background:#F8FAFE;border-top:1px solid var(--c-line);
    font-size:13px;color:var(--c-mute);
  }

  /* ---------- split / points ---------- */
  .split{display:grid;gap:28px}
  @media (min-width:1024px){ .split{grid-template-columns:1fr 1fr;gap:48px;align-items:start} }
  .point-list{display:grid;gap:14px}
  .point{
    display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-sm);padding:16px 18px;box-shadow:0 2px 4px rgba(16,35,74,.03);
    transition:box-shadow .2s ease,transform .2s ease;
  }
  .point:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .point-idx{
    width:28px;height:28px;flex-shrink:0;border-radius:8px;
    background:var(--c-primary-soft);color:var(--c-primary-d);
    font-size:13px;font-weight:700;display:grid;place-items:center;
    font-variant-numeric:tabular-nums;
  }
  .point h3{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:4px}
  .point p{font-size:14px;color:var(--c-mute);line-height:1.75}
  .dark-panel{
    background:linear-gradient(180deg,#152139 0%,#0E1729 100%);
    border-radius:var(--r-card);padding:28px;
    color:#B9C7DC;box-shadow:0 24px 48px -28px rgba(14,23,41,.7);
  }
  .dark-panel h3{color:#fff;font-size:19px;font-weight:700;margin-bottom:6px}
  .dark-panel p{font-size:14px;line-height:1.8;color:#93A5C0}
  .metric-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:1px;
    background:rgba(255,255,255,.09);border-radius:12px;
    overflow:hidden;margin-top:20px;
  }
  .metric{background:#16233A;padding:16px}
  .metric b{
    display:block;font-size:22px;font-weight:800;color:#fff;
    font-variant-numeric:tabular-nums;line-height:1.2;
  }
  .metric b em{color:var(--c-accent);font-style:normal}
  .metric span{font-size:12px;color:#8CA0BC;display:block;margin-top:2px}

  /* ---------- faq ---------- */
  .faq-grid{display:grid;gap:24px}
  @media (min-width:1024px){ .faq-grid{grid-template-columns:.8fr 1.6fr;gap:48px;align-items:start} }
  .faq-aside h2{font-size:24px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
  @media (min-width:1024px){ .faq-aside h2{font-size:32px} }
  .faq-aside p{font-size:15px;color:var(--c-mute);margin-top:10px}
  @media (min-width:1024px){ .faq-aside{position:sticky;top:96px} }
  .faq{display:grid;gap:12px}
  .faq-item{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
    box-shadow:0 2px 4px rgba(16,35,74,.03);overflow:hidden;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;padding:16px 20px;
    font-size:16px;font-weight:600;color:var(--c-ink);
    display:flex;align-items:center;justify-content:space-between;gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}
  .faq-item summary::after{
    content:"+";color:var(--c-primary);font-size:20px;
    font-weight:700;line-height:1;flex-shrink:0;
  }
  .faq-item[open] summary::after{content:"−"}
  .faq-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-body)}

  /* ---------- cta ---------- */
  .cta-wrap{
    background:linear-gradient(180deg,#152139 0%,#0E1729 100%);
    border-radius:20px;padding:32px 22px;
    color:#B9C7DC;box-shadow:0 30px 60px -34px rgba(14,23,41,.75);
  }
  @media (min-width:1024px){ .cta-wrap{padding:48px} }
  .cta-grid{display:grid;gap:28px}
  @media (min-width:1024px){ .cta-grid{grid-template-columns:1.05fr .95fr;gap:48px;align-items:center} }
  .cta-wrap h2{color:#fff;font-size:24px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
  @media (min-width:1024px){ .cta-wrap h2{font-size:30px} }
  .cta-wrap .cta-desc{font-size:15px;color:#9FB0C9;margin-top:12px;max-width:460px}
  .cta-points{display:grid;gap:10px;margin-top:22px}
  .cta-point{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#C7D3E6}
  .cta-point i{
    width:18px;height:18px;border-radius:6px;flex-shrink:0;margin-top:5px;
    background:rgba(255,106,26,.18);border:1px solid rgba(255,106,26,.5);
    display:inline-block;
  }
  .form-card{
    background:#fff;border-radius:var(--r-card);padding:24px;
    box-shadow:0 24px 48px -24px rgba(0,0,0,.45);
  }
  .form-card h3{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:4px}
  .form-card .form-tip{font-size:13px;color:var(--c-mute);margin-bottom:16px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--c-body);margin-bottom:6px}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--c-line);border-radius:12px;
    padding:11px 14px;font-size:15px;color:var(--c-ink);background:#fff;
    min-height:44px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{resize:vertical;min-height:104px;line-height:1.7}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--c-primary);
    box-shadow:0 0 0 3px rgba(30,107,245,.14);
  }
  .field input::placeholder,.field textarea::placeholder{color:var(--c-weak)}

  /* ---------- footer ---------- */
  .site-footer{background:var(--c-dark);color:#A9B7CC;padding:56px 0 26px}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
  .footer-brand .brand-text{color:#fff}
  .footer-brand .brand-text em{color:#8CA0BC}
  .footer-desc{font-size:14px;line-height:1.8;color:#93A5C0;margin-top:14px;max-width:320px}
  .footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
  .footer-links{display:grid;gap:10px;font-size:14px}
  .footer-links a{color:#A9B7CC;transition:color .2s ease}
  .footer-links a:hover{color:#fff}
  .footer-contact{display:grid;gap:10px;font-size:14px}
  .footer-contact strong{color:#fff;font-weight:600;margin-right:6px}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:36px;padding-top:18px;
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:#7D8FA9;
  }

/* roulang page: category4 */
:root{
  --c-primary:#1E6BF5;
  --c-primary-d:#1755C9;
  --c-primary-soft:#EAF1FF;
  --c-accent:#FF6A1A;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E4EBF6;
  --c-dark:#0E1729;
  --t-1:#111C2E;
  --t-2:#33445C;
  --t-3:#5C6B84;
  --t-4:#94A3B8;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-img:14px;
  --sh-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
  --sh-hover:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  --sh-btn:0 8px 20px -8px rgba(30,107,245,.55);
  --section-pad:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px -14px rgba(16,35,74,.35);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;letter-spacing:-.02em;
  box-shadow:0 6px 16px -8px rgba(30,107,245,.85);
}
.brand-text{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:800;color:var(--t-1);
  line-height:1.2;letter-spacing:-.01em;
}
.brand-text em{
  font-style:normal;font-size:10px;font-weight:500;
  color:var(--t-4);letter-spacing:.06em;margin-top:3px;
}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  background:#F1F5FB;border-radius:999px;padding:4px;margin:0 auto;
  max-width:100%;
}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:var(--t-3);
  white-space:nowrap;transition:all .2s ease;
}
.chip:hover{background:#E3ECFB;color:var(--t-1);}
.chip.is-active{
  background:#fff;color:var(--c-primary);font-weight:700;
  box-shadow:0 1px 3px rgba(16,35,74,.16);
}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.nav-link{font-size:14px;color:var(--t-3);font-weight:500;}
.nav-link:hover{color:var(--c-primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;padding:12px 24px;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-btn);}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);}
.btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.7);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:#C9DBFF;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,107,245,.35);}

/* ============ Hero ============ */
.cat-hero{
  padding:64px 0 0;
  background:radial-gradient(120% 110% at 12% 0%, #EAF1FF 0%, #F6F8FC 58%);
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,106,26,.45);
  background:#FFF4ED;color:#C24A08;
  border-radius:999px;padding:6px 14px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--c-accent);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,106,26,.5);}
  50%{opacity:.55;box-shadow:0 0 0 6px rgba(255,106,26,0);}
}
@media (prefers-reduced-motion: reduce){
  .live-dot{animation:none;}
  html{scroll-behavior:auto;}
}
.hero-title{
  margin-top:20px;
  font-size:44px;line-height:1.15;font-weight:800;
  letter-spacing:-.02em;color:var(--t-1);
  max-width:16em;
}
.hero-title .h1-brand{
  display:block;font-size:.7em;color:var(--c-primary);
  letter-spacing:0;margin-bottom:4px;
}
.hero-title .h1-topic{display:block;}
.hero-lead{
  margin-top:18px;font-size:18px;font-weight:600;color:var(--t-2);
}
.hero-note{margin-top:8px;font-size:14px;color:var(--t-3);max-width:30em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-media{position:relative;margin-bottom:26px;}
.media-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:#E9EFF9;
  box-shadow:var(--sh-card);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-bar{
  position:absolute;left:0;right:0;bottom:0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;
  background:linear-gradient(to top,rgba(14,23,41,.88),rgba(14,23,41,.1));
  color:#fff;font-size:13px;
}
.media-bar span{display:inline-flex;align-items:center;gap:7px;}
.media-bar .score{font-variant-numeric:tabular-nums;font-weight:700;}
.media-float{
  position:absolute;right:16px;bottom:-22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-hover);padding:12px 18px;
  display:flex;flex-direction:column;gap:2px;
}
.media-float strong{
  font-size:22px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.media-float small{font-size:12px;color:var(--t-3);}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:26px 8px;margin:44px 0 0;
}
.stat-item{
  padding:4px 20px;text-align:left;
  border-left:1px solid var(--c-line);
}
.stat-item:first-child{border-left:none;}
.stat-num{
  font-size:30px;font-weight:800;color:var(--t-1);
  font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:700;color:var(--c-primary);margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--t-3);margin-top:6px;}

/* ============ 板块通用 ============ */
.section{padding:var(--section-pad) 0;}
.section-tight{padding:72px 0;}
.section-alt{background:#F1F6FF;}
.section-head{max-width:720px;margin-bottom:44px;}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;
  color:var(--c-primary);letter-spacing:.06em;
}
.section-title{
  margin-top:10px;font-size:32px;font-weight:700;
  line-height:1.28;color:var(--t-1);letter-spacing:-.01em;
}
.section-desc{margin-top:14px;font-size:16px;color:var(--t-3);max-width:44em;}

/* ============ 流程 + 能力 ============ */
.flow-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start;}
.steps{position:relative;}
.step{position:relative;padding-left:58px;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:18px;top:40px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#CFE0FF,#E4EBF6);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:38px;height:38px;border-radius:50%;
  background:var(--c-primary-soft);border:1px solid #CFE0FF;
  color:var(--c-primary);font-size:13px;font-weight:800;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.step:first-child .step-num{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.step h3{font-size:19px;font-weight:600;color:var(--t-1);line-height:1.5;}
.step p{margin-top:6px;font-size:14.5px;color:var(--t-3);line-height:1.75;}

.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.cap-card{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 22px 24px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#CFE0FF;}
.cap-tag{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:3px 10px;
}
.cap-card h3{margin-top:12px;font-size:17px;font-weight:600;color:var(--t-1);line-height:1.5;}
.cap-card p{margin-top:8px;font-size:14px;color:var(--t-3);line-height:1.75;}

/* ============ 深色参数面板 ============ */
.panel-dark{
  background:var(--c-dark);border-radius:24px;
  padding:48px 48px 44px;color:#fff;position:relative;overflow:hidden;
}
.panel-dark::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:120px;
  background:var(--c-accent);
}
.panel-dark .kicker{color:#8FB4FF;}
.panel-dark h2{
  margin-top:10px;font-size:28px;font-weight:700;color:#fff;line-height:1.3;
}
.panel-dark .panel-desc{margin-top:12px;font-size:14.5px;color:#9FB0C9;max-width:46em;}
.dark-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  margin-top:36px;padding-top:32px;
  border-top:1px solid rgba(255,255,255,.12);
}
.dark-item .dark-label{font-size:13px;color:#8E9FB8;}
.dark-item .dark-value{
  margin-top:8px;font-size:20px;font-weight:700;color:#fff;
  line-height:1.4;font-variant-numeric:tabular-nums;
}
.dark-item .dark-value em{font-style:normal;color:var(--c-accent);}
.dark-item .dark-note{margin-top:6px;font-size:13px;color:#7D8DA6;}

/* ============ 场景行列表 ============ */
.scene-list{border-top:1px solid var(--c-line);}
.scene-row{
  display:grid;grid-template-columns:230px 1fr 40px;
  gap:24px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--c-line);
  border-radius:12px;transition:background-color .2s ease;
}
.scene-row:hover{background:#F1F6FF;}
.scene-row h3{font-size:17px;font-weight:600;color:var(--t-1);line-height:1.5;}
.scene-mid p{font-size:14px;color:var(--t-3);line-height:1.7;margin-bottom:10px;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:3px 10px;font-weight:500;
}
.scene-go{
  color:var(--c-primary);font-size:20px;font-weight:700;text-align:right;
  transition:transform .2s ease;
}
.scene-row:hover .scene-go{transform:translateX(4px);}

/* ============ 图文分栏 ============ */
.split-media{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media .shot{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);
  background:#E9EFF9;aspect-ratio:16/10;box-shadow:var(--sh-card);
}
.split-media .shot img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{font-size:30px;font-weight:700;color:var(--t-1);line-height:1.3;}
.split-copy p{margin-top:14px;font-size:15.5px;color:var(--t-3);}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.point-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--t-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:10px;height:10px;border-radius:3px;
  background:var(--c-primary-soft);border:2px solid var(--c-primary);
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side h2{font-size:30px;font-weight:700;color:var(--t-1);line-height:1.3;margin-top:10px;}
.faq-side p{margin-top:14px;font-size:14.5px;color:var(--t-3);max-width:22em;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  padding:18px 22px;box-shadow:0 1px 2px rgba(16,35,74,.04);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFE0FF;box-shadow:0 10px 28px -18px rgba(30,107,245,.6);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--t-1);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;color:var(--c-primary);
  font-size:20px;font-weight:600;line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--c-primary);}
.faq-body{margin-top:12px;font-size:15px;color:var(--t-3);line-height:1.85;}

/* ============ CTA + 表单 ============ */
.cta-shell{
  background:#fff;border:1px solid var(--c-line);border-radius:24px;
  box-shadow:var(--sh-card);padding:48px;
  display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;
}
.cta-copy h2{font-size:30px;font-weight:700;color:var(--t-1);line-height:1.3;margin-top:10px;}
.cta-copy p{margin-top:14px;font-size:15.5px;color:var(--t-3);}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{
  display:flex;gap:12px;font-size:14.5px;color:var(--t-2);
}
.cta-points li b{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.form-card{background:#F8FAFF;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--t-3);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;padding:11px 14px;font-size:15px;color:var(--t-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:44px;}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(30,107,245,.12);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-tip{font-size:12.5px;color:var(--t-4);margin-top:12px;line-height:1.6;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#C7D2E4;padding:64px 0 0;margin-top:96px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;padding-bottom:48px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text em{color:#8FA2BF;}
.footer-desc{margin-top:16px;font-size:14px;color:#93A3BC;line-height:1.8;max-width:330px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:#9EAEC6;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9EAEC6;}
.footer-contact strong{color:#fff;font-weight:600;margin-right:2px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7D8DA6;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--section-pad:72px;}
  .nav-wrap{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:10px;gap:12px;}
  .nav-chips{
    order:3;width:100%;margin:0;
    overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
    -webkit-mask-image:linear-gradient(to right,#000 92%,rgba(0,0,0,0));
    mask-image:linear-gradient(to right,#000 92%,rgba(0,0,0,0));
    padding-right:24px;
  }
  .nav-chips::-webkit-scrollbar{display:none;}
  .nav-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:38px;max-width:100%;}
  .flow-grid{grid-template-columns:1fr;gap:40px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .cta-shell{grid-template-columns:1fr;gap:32px;padding:36px;}
  .split-media{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .dark-grid{grid-template-columns:1fr 1fr;gap:24px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:18px 0;padding:22px 4px;}
  .stat-item{padding:0 16px;}
  .stat-item:nth-child(3){border-left:none;}
  .stat-num{font-size:26px;}
  .cap-grid{grid-template-columns:1fr;}
  .scene-row{grid-template-columns:1fr;gap:12px;padding:20px 12px;}
  .scene-go{text-align:left;font-size:16px;}
  .dark-grid{grid-template-columns:1fr;}
  .panel-dark{padding:32px 24px;}
  .form-row{grid-template-columns:1fr;}
  .hero-title{font-size:32px;}
  .section-title{font-size:26px;}
  .split-copy h2,.faq-side h2,.cta-copy h2,.panel-dark h2{font-size:24px;}
  .hero-lead{font-size:16.5px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .hero-title{font-size:28px;}
  .hero-actions{gap:10px;}
  .media-float{right:8px;bottom:-18px;padding:10px 14px;}
  .media-float strong{font-size:19px;}
  .cta-shell{padding:24px;}
  .form-card{padding:20px;}
}

/* roulang page: category5 */
:root{
    --c-primary:#1E6BF5;
    --c-primary-d:#1755C9;
    --c-primary-soft:#EAF1FF;
    --c-accent:#FF6A1A;
    --c-bg:#F6F8FC;
    --c-card:#FFFFFF;
    --c-line:#E4EBF6;
    --c-title:#111C2E;
    --c-text:#33445C;
    --c-muted:#5C6B84;
    --c-weak:#94A3B8;
    --r-card:16px;
    --r-field:12px;
    --r-btn:10px;
    --shadow-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
    --shadow-lift:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
    --ease:200ms ease;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html body{
    margin:0;
    padding:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%}
  a{color:inherit}
  a:focus-visible,button:focus-visible,summary:focus-visible{
    outline:2px solid var(--c-primary);
    outline-offset:2px;
    box-shadow:0 0 0 4px rgba(30,107,245,.18);
    border-radius:8px;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:box-shadow var(--ease),border-color var(--ease);
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--c-line);
    box-shadow:0 6px 20px -14px rgba(16,35,74,.35);
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-title);flex-shrink:0}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;letter-spacing:-.02em;
    box-shadow:0 8px 20px -10px rgba(30,107,245,.85);
  }
  .brand-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.15;letter-spacing:-.01em}
  .brand-text em{font-style:normal;font-weight:500;font-size:10px;color:var(--c-weak);letter-spacing:.04em;margin-top:3px}
  .nav-chips{
    display:flex;align-items:center;gap:2px;background:#F1F5FB;border-radius:999px;padding:4px;
    max-width:100%;
  }
  .chip{
    padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--c-muted);
    text-decoration:none;white-space:nowrap;transition:background var(--ease),color var(--ease);
  }
  .chip:hover{background:#E3ECFB;color:var(--c-primary-d)}
  .chip.is-active{background:#fff;color:var(--c-primary);font-weight:700;box-shadow:0 2px 6px rgba(16,35,74,.12)}
  .nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
  .nav-link{
    font-size:14px;color:var(--c-muted);text-decoration:none;padding-bottom:2px;
    border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);
  }
  .nav-link:hover{color:var(--c-primary);border-bottom-color:var(--c-accent)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
    text-decoration:none;border:1px solid transparent;cursor:pointer;min-height:44px;
    transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -8px rgba(30,107,245,.55)}
  .btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
  .btn-primary:active{transform:none;box-shadow:0 4px 12px -8px rgba(30,107,245,.6)}
  .btn-ghost{background:#fff;color:var(--c-primary-d);border-color:#C9DBFB}
  .btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;
    padding:72px 0 64px;
    background:radial-gradient(120% 110% at 12% 0%, #EAF1FF 0%, #F6F8FC 58%, #F6F8FC 100%);
  }
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
  .live-tag{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    border:1px solid rgba(255,106,26,.45);background:#FFF3EC;color:#C2470A;
    font-size:12.5px;font-weight:600;letter-spacing:.02em;
  }
  .live-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);animation:livePulse 1.8s ease-in-out infinite}
  @keyframes livePulse{
    0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,106,26,.45)}
    50%{opacity:.55;box-shadow:0 0 0 6px rgba(255,106,26,0)}
  }
  @media (prefers-reduced-motion: reduce){
    .live-dot{animation:none}
    html{scroll-behavior:auto}
  }
  .hero-title{
    margin:18px 0 0;max-width:660px;
    font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--c-title);
  }
  .hero-sub{margin:16px 0 0;font-size:18px;font-weight:500;color:var(--c-text)}
  .hero-note{margin:8px 0 0;font-size:14px;color:var(--c-muted)}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-card{
    position:relative;background:var(--c-card);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:14px;box-shadow:var(--shadow-card);
  }
  .hero-media{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#E9EFF9}
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .media-bar{
    position:absolute;left:12px;right:12px;bottom:12px;
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    background:rgba(14,23,41,.74);color:#fff;border-radius:10px;
    padding:9px 12px;font-size:12.5px;line-height:1.5;
  }
  .media-bar .live-dot{background:var(--c-accent)}
  .score{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.04em;font-size:14px;margin-left:auto}
  .hero-chipcard{
    position:absolute;right:-6px;bottom:-20px;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-field);box-shadow:var(--shadow-lift);padding:10px 14px;
    font-size:12.5px;color:var(--c-muted);display:flex;align-items:center;gap:10px;
  }
  .hero-chipcard b{font-size:17px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums}

  /* ---------- 数据条 ---------- */
  .stats-wrap{padding:0 0 8px}
  .stats{
    display:grid;grid-template-columns:repeat(4,1fr);
    background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .stat{padding:22px 22px;border-right:1px solid var(--c-line)}
  .stat:last-child{border-right:none}
  .stat-num{
    font-size:30px;font-weight:800;color:var(--c-primary);line-height:1.1;
    letter-spacing:-.02em;font-variant-numeric:tabular-nums;
  }
  .stat-num small{font-size:13px;font-weight:600;color:var(--c-muted);margin-left:4px;letter-spacing:0}
  .stat-label{font-size:13.5px;color:var(--c-muted);margin-top:6px}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0}
  .section-head{max-width:780px;margin-bottom:34px}
  .eyebrow{
    display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;
    color:var(--c-primary);text-transform:uppercase;
  }
  .section-title{
    margin:10px 0 0;font-size:32px;line-height:1.25;font-weight:700;
    letter-spacing:-.015em;color:var(--c-title);
  }
  .section-sub{margin:12px 0 0;font-size:15px;color:var(--c-muted);line-height:1.8}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;margin-top:14px;
    font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:none;
    transition:color var(--ease);
  }
  .link-arrow span{transition:transform var(--ease);display:inline-block}
  .link-arrow:hover{color:var(--c-primary-d)}
  .link-arrow:hover span{transform:translateX(4px)}

  /* ---------- 编辑流：时间竖排 + 单列长卡 ---------- */
  .flow{display:flex;flex-direction:column;gap:18px}
  .flow-item{
    position:relative;display:grid;grid-template-columns:118px 1fr;gap:22px;
    padding-left:26px;border-left:1px solid var(--c-line);
  }
  .flow-item::before{
    content:'';position:absolute;left:-5px;top:30px;width:9px;height:9px;border-radius:50%;
    background:#fff;border:2px solid var(--c-primary);
  }
  .flow-item.is-head::before{background:var(--c-accent);border-color:var(--c-accent)}
  .time-rail{padding-top:24px}
  .time-rail .t{
    display:block;font-size:18px;font-weight:800;color:var(--c-title);
    letter-spacing:-.01em;font-variant-numeric:tabular-nums;
  }
  .time-rail .d{display:block;font-size:12.5px;color:var(--c-weak);margin-top:2px}
  .story-card{
    display:grid;grid-template-columns:1fr 236px;gap:22px;
    background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--shadow-card);
    transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  }
  .story-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px);border-color:#D6E3F8}
  .story-card:hover .story-title{color:var(--c-primary)}
  .story-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--c-weak);margin-bottom:10px}
  .tag{
    display:inline-block;padding:3px 10px;border-radius:999px;
    background:var(--c-primary-soft);color:var(--c-primary-d);
    font-size:12px;font-weight:600;letter-spacing:.01em;
  }
  .story-title{
    margin:0;font-size:19px;line-height:1.45;font-weight:700;color:var(--c-title);
    transition:color var(--ease);
  }
  .story-desc{margin:10px 0 0;font-size:14.5px;line-height:1.75;color:var(--c-muted)}
  .story-media{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:#E9EFF9}
  .story-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
  .story-card:hover .story-media img{transform:scale(1.04)}

  /* ---------- 发布节奏 ---------- */
  .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .tl-card{
    background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow-card);
    transition:box-shadow var(--ease),transform var(--ease);
  }
  .tl-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
  .tl-time{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.04em}
  .tl-card h3{margin:8px 0 0;font-size:18px;font-weight:700;color:var(--c-title);line-height:1.4}
  .tl-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}
  .tl-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--c-muted)}
  .tl-list li::before{
    content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
    background:var(--c-primary);opacity:.5;
  }

  /* ---------- 能力分栏 ---------- */
  .split{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
  .split-head{position:sticky;top:96px}
  .cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .cap-card{
    position:relative;overflow:hidden;background:var(--c-card);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);
    transition:box-shadow var(--ease),transform var(--ease);
  }
  .cap-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
  .cap-card::before{
    content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
    background:var(--c-accent);opacity:0;transition:opacity var(--ease);
  }
  .cap-card:hover::before{opacity:1}
  .cap-icon{
    width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-size:15px;font-weight:800;margin-bottom:14px;letter-spacing:-.02em;
  }
  .cap-card h3{margin:0;font-size:17px;font-weight:700;color:var(--c-title);line-height:1.5}
  .cap-card p{margin:8px 0 0;font-size:14px;line-height:1.75;color:var(--c-muted)}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
  .faq-item{
    background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-field);
    padding:0 20px;transition:border-color var(--ease),box-shadow var(--ease);
  }
  .faq-item[open]{border-color:#CFE0FB;box-shadow:var(--shadow-card)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 0;font-size:16px;font-weight:600;color:var(--c-title);
    cursor:pointer;list-style:none;min-height:44px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:'+';font-size:20px;font-weight:500;line-height:1;color:var(--c-primary);
    flex-shrink:0;transition:transform var(--ease);
  }
  .faq-item[open] summary::after{content:'−'}
  .faq-body{padding:0 0 18px;font-size:15px;line-height:1.8;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:14px}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:20px;
    background:#12224A;padding:48px;
    display:grid;grid-template-columns:1.35fr .85fr;gap:36px;align-items:center;
  }
  .cta-bg{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    opacity:.16;pointer-events:none;
  }
  .cta-inner{position:relative;z-index:2}
  .cta-band .eyebrow{color:#8FB3FF}
  .cta-band h2{margin:10px 0 0;font-size:30px;line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.015em}
  .cta-band p{margin:14px 0 0;font-size:15px;line-height:1.8;color:#B9C7DE;max-width:560px}
  .cta-points{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
  .cta-points li{
    font-size:13px;color:#DCE6F5;background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:6px 14px;
  }
  .cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
  .cta-actions .btn{width:100%}
  .cta-note{position:relative;z-index:2;font-size:12.5px;color:#8CA0C0;text-align:center;margin-top:2px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0E1729;color:#9FB0C9;padding:56px 0 0;margin-top:72px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
  .site-footer .brand{color:#fff}
  .site-footer .brand-text em{color:#7E90AC}
  .footer-desc{margin:14px 0 0;max-width:330px;font-size:13.5px;line-height:1.8;color:#8496B0}
  .footer-col h4{margin:0 0 14px;font-size:14px;font-weight:700;color:#fff}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{
    font-size:13.5px;color:#9FB0C9;text-decoration:none;transition:color var(--ease);
    width:fit-content;
  }
  .footer-links a:hover{color:#fff}
  .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#9FB0C9}
  .footer-contact strong{color:#DCE6F5;font-weight:600;margin-right:6px}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.08);padding:18px 0;
    font-size:12.5px;color:#7E90AC;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-wrap{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;row-gap:10px}
    .nav-chips{order:3;width:100%;overflow-x:auto;scrollbar-width:none;
      -webkit-mask-image:linear-gradient(to right,#000 88%,transparent 100%);
      mask-image:linear-gradient(to right,#000 88%,transparent 100%);}
    .nav-chips::-webkit-scrollbar{display:none}
    .nav-actions .nav-link{display:none}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-title{font-size:34px}
    .section-title{font-size:26px}
    .split{grid-template-columns:1fr;gap:28px}
    .split-head{position:static}
    .cta-band{grid-template-columns:1fr;padding:34px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    .stats{grid-template-columns:repeat(2,1fr)}
    .stat:nth-child(2n){border-right:none}
    .stat:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
    .section{padding:56px 0}
    .hero-chipcard{right:8px}
  }
  @media (max-width:767px){
    .flow-item{grid-template-columns:1fr;gap:12px;padding-left:18px}
    .time-rail{display:flex;align-items:baseline;gap:8px;padding-top:14px}
    .time-rail .d{margin-top:0}
    .story-card{grid-template-columns:1fr}
    .timeline{grid-template-columns:1fr}
    .cap-grid{grid-template-columns:1fr}
  }
  @media (max-width:520px){
    .container{padding:0 20px}
    .cat-hero{padding:48px 0 46px}
    .hero-title{font-size:28px}
    .hero-sub{font-size:16px}
    .hero-cta .btn{width:100%}
    .stat{padding:18px 16px}
    .stat-num{font-size:26px}
    .story-card{padding:16px}
    .cta-band{padding:26px;border-radius:16px}
    .cta-band h2{font-size:24px}
    .footer-grid{grid-template-columns:1fr}
    .site-footer{margin-top:56px}
    .btn-sm{min-height:44px}
    .hero-chipcard{position:static;margin-top:14px;right:auto;bottom:auto;justify-content:flex-start}
  }

/* roulang page: category6 */
:root{
  --c-primary:#1E6BF5;
  --c-primary-d:#1755C9;
  --c-primary-soft:#EAF1FF;
  --c-accent:#FF6A1A;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E4EBF6;
  --c-ink:#111C2E;
  --c-body:#33445C;
  --c-muted:#5C6B84;
  --c-faint:#94A3B8;
  --c-dark:#0E1729;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --shadow-card:0 2px 4px rgba(16,35,74,.04), 0 12px 28px -12px rgba(16,35,74,.12);
  --shadow-lift:0 6px 12px rgba(16,35,74,.06), 0 20px 40px -16px rgba(16,35,74,.18);
  --pad-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:640px){ .container{padding:0 20px} }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 22px -16px rgba(16,35,74,.4)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 8px 18px -10px rgba(30,107,245,.75);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.15;color:var(--c-ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:10px;font-weight:500;color:var(--c-faint);letter-spacing:.09em;margin-top:3px}
.nav-chips{
  display:flex;align-items:center;gap:2px;margin-inline:auto;
  background:#F1F5FB;border-radius:999px;padding:4px;
}
.chip{
  padding:8px 16px;border-radius:999px;font-size:14px;color:var(--c-muted);
  white-space:nowrap;transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{background:#E3ECFB;color:var(--c-primary-d)}
.chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:0 2px 6px rgba(16,35,74,.1)}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-link{font-size:14px;color:var(--c-muted);transition:color .18s ease}
.nav-link:hover{color:var(--c-primary)}
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;height:auto;padding-top:12px;gap:12px 16px}
  .nav-chips{
    order:3;width:100%;margin-inline:0;overflow-x:auto;scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,#000 90%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 90%,transparent 100%);
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .nav-actions{margin-left:auto}
  .nav-link{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;min-height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -8px rgba(30,107,245,.55)}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.btn-primary:active{transform:none;box-shadow:0 4px 10px -6px rgba(30,107,245,.5)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#CFE0FC}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:8px 16px;min-height:38px;font-size:13px}
.btn-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-light:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
a:focus-visible,button:focus-visible,summary:focus-visible,.chip:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:3px;border-radius:12px;
}

/* ---------- Hero ---------- */
.hero{
  padding:72px 0 56px;
  background:radial-gradient(900px 380px at 18% -10%, #EAF1FF 0%, rgba(246,248,252,0) 72%);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;border:1px solid rgba(255,106,26,.45);
  background:rgba(255,106,26,.07);color:#D2520F;
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.hero h1{
  font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.02em;
  color:var(--c-ink);margin:18px 0 0;max-width:17ch;
}
.hero h1 span{color:var(--c-primary)}
.hero-sub{font-size:18px;line-height:1.6;color:var(--c-body);font-weight:500;margin-top:16px}
.hero-note{font-size:14px;line-height:1.7;color:var(--c-muted);margin-top:10px;max-width:42ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tag{
  font-size:12.5px;color:var(--c-muted);background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:5px 12px;
}
.hero-figure{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-card);background:#E9EFF9;
  box-shadow:var(--shadow-card);overflow:hidden;aspect-ratio:16/9;
}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-card)}
.live-bar{
  position:absolute;left:12px;right:12px;bottom:12px;
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:12px;
  background:rgba(14,23,41,.74);color:#E8EFFA;
  font-size:12.5px;line-height:1.4;
}
.live-bar .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex-shrink:0;animation:pulse 1.8s ease-in-out infinite}
.live-bar .txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.live-bar .score{margin-left:auto;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;flex-shrink:0}
.hero-float{
  position:absolute;right:-10px;bottom:-22px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--shadow-lift);padding:12px 16px;display:flex;align-items:center;gap:10px;
}
.hero-float .n{font-size:24px;font-weight:800;color:var(--c-primary);line-height:1;font-variant-numeric:tabular-nums}
.hero-float .l{font-size:12px;color:var(--c-muted);line-height:1.3}

/* ---------- 数据条 ---------- */
.stat-bar{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.stat-item{padding:24px 22px;border-right:1px solid var(--c-line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:30px;font-weight:800;color:var(--c-ink);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num small{font-size:14px;font-weight:600;color:var(--c-primary);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--c-muted);margin-top:6px;line-height:1.5}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-y) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-title{font-size:32px;line-height:1.25;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.section-desc{font-size:15px;color:var(--c-muted);margin-top:10px;max-width:58ch}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:gap .18s ease,color .18s ease}
.link-more:hover{gap:10px;color:var(--c-primary-d)}

/* ---------- 筛选 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.filter-btn{
  padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-muted);transition:all .18s ease;
}
.filter-btn:hover{border-color:#CBDBF7;color:var(--c-primary);background:var(--c-primary-soft)}
.filter-btn.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;box-shadow:0 8px 18px -10px rgba(30,107,245,.7)}

/* ---------- 集锦画廊 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:10px 10px 14px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#D5E2F8}
.media-thumb{position:relative;border-radius:14px;overflow:hidden;background:#E9EFF9;aspect-ratio:16/9}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media-card:hover .media-thumb img{transform:scale(1.04)}
.play-badge{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(14,23,41,.55);border:1px solid rgba(255,255,255,.5);
  transition:background .2s ease,transform .2s ease;
}
.play-badge svg{width:14px;height:14px;fill:#fff;margin-left:2px}
.media-card:hover .play-badge{background:var(--c-accent);transform:translate(-50%,-50%) scale(1.08)}
.dur-badge{
  position:absolute;right:8px;bottom:8px;
  padding:2px 8px;border-radius:6px;background:rgba(14,23,41,.78);
  color:#fff;font-size:12px;font-variant-numeric:tabular-nums;
}
.media-title{
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;margin:12px 4px 0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .18s ease;
}
.media-card:hover .media-title{color:var(--c-primary)}
.media-meta{font-size:13px;color:var(--c-faint);margin:4px 4px 0}
.empty-hint{display:none;padding:28px;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-muted);font-size:14px;text-align:center;background:#fff}

/* ---------- 深色能力面板 ---------- */
.capability{
  background:var(--c-dark);border-radius:20px;padding:56px;
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
  box-shadow:0 24px 60px -32px rgba(14,23,41,.55);
}
.cap-eyebrow{font-size:12px;letter-spacing:.16em;color:var(--c-accent);font-weight:700}
.cap-title{font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin-top:14px;letter-spacing:-.01em}
.cap-text{font-size:15px;line-height:1.8;color:#9FB2CA;margin-top:16px;max-width:38ch}
.cap-actions{margin-top:28px}
.cap-item{padding:20px 0;border-top:1px solid rgba(255,255,255,.12)}
.cap-item:first-child{border-top:0;padding-top:0}
.cap-item:last-child{padding-bottom:0}
.cap-item-head{display:flex;align-items:center;gap:12px}
.cap-no{font-size:13px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.cap-item h3{font-size:17px;font-weight:600;color:#F2F6FC;line-height:1.5}
.cap-item p{font-size:14px;line-height:1.8;color:#93A6BF;margin-top:8px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.step-no{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-top:10px;line-height:1.5}
.step p{font-size:14px;line-height:1.8;color:var(--c-muted);margin-top:8px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:#D3E1F8;box-shadow:var(--shadow-card)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";font-size:20px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform .2s ease}
.faq-item[open] .faq-q::after{content:"–"}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-body)}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--c-primary-soft);border:1px solid #D3E1F8;border-radius:20px;
  padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.cta-panel h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.cta-panel p{font-size:15px;line-height:1.8;color:var(--c-muted);margin-top:12px;max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card)}
.cta-card dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:14px;margin:0}
.cta-card dt{color:var(--c-faint);white-space:nowrap}
.cta-card dd{margin:0;color:var(--c-ink);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#A9B8CE;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#7C8DA6}
.footer-desc{font-size:14px;line-height:1.8;color:#8FA0B8;margin-top:16px;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.03em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:#9DAEC6;transition:color .18s ease}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#9DAEC6}
.footer-contact strong{color:#DCE6F5;font-weight:600;margin-right:8px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:20px;
  font-size:13px;color:#7C8DA6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--pad-y:64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px;max-width:100%}
  .hero-figure{order:2}
  .hero-float{right:8px;bottom:-16px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(n+3){border-bottom:0}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .capability{grid-template-columns:1fr;padding:40px;gap:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:640px){
  :root{--pad-y:56px}
  .hero{padding:40px 0 44px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .section-title,.cap-title,.cta-panel h2{font-size:24px}
  .stat-item{padding:18px 16px}
  .stat-num{font-size:24px}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .media-card{padding:8px 8px 12px;border-radius:14px}
  .media-thumb{border-radius:10px}
  .play-badge{width:36px;height:36px}
  .media-title{font-size:14px;margin-top:10px}
  .media-meta{font-size:12px}
  .capability{padding:28px;border-radius:16px}
  .steps{grid-template-columns:1fr}
  .cta-panel{padding:26px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}