/* roulang page: index */
:root{
    --ink:#0E4A4B;
    --ink-deep:#0A3A3B;
    --coral:#F26B3A;
    --coral-soft:#FDEAE2;
    --gold:#F2C14E;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --sink:#EFEBE2;
    --text:#14201F;
    --muted:#5A6B69;
    --weak:#8A9694;
    --line:#E3DED3;
    --line-strong:#D8D2C5;
    --dark:#0E2A2A;
    --dark-text:#E8EFEC;
    --dark-muted:#A9BDB9;
    --ink-soft:#E3EEEC;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --shadow-1:0 1px 2px rgba(14,32,31,.06);
    --shadow-2:0 14px 30px -18px rgba(14,32,31,.30);
    --gap:24px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{cursor:pointer;background:none;border:none;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;letter-spacing:.01em;}
  h1{font-size:40px;font-weight:700;}
  h2{font-size:28px;}
  h3{font-size:20px;}
  p{margin:0 0 1em;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,245,240,.92);
    backdrop-filter:saturate(1.2) blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(14,32,31,.06);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
  .brand-mark svg{width:20px;height:20px;color:var(--gold);}
  .brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.02em;line-height:1.2;}
  .brand-sub{display:block;font-size:11px;font-weight:400;color:var(--weak);letter-spacing:.16em;line-height:1.4;margin-top:2px;}
  .nav-desktop{display:none;}
  @media (min-width:768px){
    .nav-desktop{display:flex;align-items:center;gap:6px;}
  }
  .nav-link{
    position:relative;display:inline-block;padding:10px 12px;
    font-size:15px;color:var(--muted);border-radius:8px;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:var(--ink);background:rgba(14,74,75,.06);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--ink);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-phone{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink);
    transition:background .2s ease,border-color .2s ease,color .2s ease;
  }
  .header-phone:hover{background:var(--ink-soft);border-color:var(--ink);}
  @media (min-width:768px){.header-phone{display:none;}}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
    white-space:nowrap;
  }
  .btn svg{width:16px;height:16px;flex:0 0 auto;}
  .btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
  .btn-ghost:hover{background:rgba(14,74,75,.06);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-coral{background:var(--coral);color:#fff;}
  .btn-coral:hover{background:#DA5A2B;transform:translateY(-1px);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--ink);
    border-bottom:1px solid rgba(14,74,75,.28);padding-bottom:1px;
    transition:color .2s ease,border-color .2s ease;
  }
  .link-arrow svg{width:14px;height:14px;transition:transform .2s ease;}
  .link-arrow:hover{color:var(--coral);border-color:rgba(242,107,58,.5);}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* ---------- badges / tags ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.02em;
  }
  .badge-coral{background:var(--coral-soft);color:#C24A1E;}
  .badge-ink{background:var(--ink-soft);color:var(--ink);}
  .dot{width:6px;height:6px;border-radius:999px;background:var(--gold);display:inline-block;flex:0 0 auto;}

  /* ---------- sections ---------- */
  .section{padding:52px 0;}
  @media (min-width:768px){.section{padding:64px 0;}}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-sink{background:var(--sink);}
  .section-white{background:var(--card);}
  .section-dark{background:var(--dark);color:var(--dark-text);}
  .section-line{border-top:1px solid var(--line);}
  .section-head{margin-bottom:28px;}
  @media (min-width:768px){.section-head{margin-bottom:36px;}}
  .section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--coral);text-transform:uppercase;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--coral);border-radius:2px;}
  .section-desc{color:var(--muted);font-size:16px;max-width:34em;margin:10px 0 0;}

  /* ---------- hero ---------- */
  .hero{position:relative;overflow:hidden;background:var(--paper);padding:40px 0 52px;}
  @media (min-width:768px){.hero{padding:56px 0 68px;}}
  @media (min-width:1024px){.hero{padding:72px 0 88px;}}
  .hero-wave{position:absolute;inset:auto 0 -40px 0;height:220px;pointer-events:none;opacity:.55;}
  .hero-grid{position:relative;display:grid;gap:32px;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
  }
  .hero h1{margin:16px 0 18px;font-size:30px;}
  @media (min-width:768px){.hero h1{font-size:36px;}}
  @media (min-width:1024px){.hero h1{font-size:42px;}}
  .hero h1 .hl{
    color:var(--ink);background:linear-gradient(transparent 68%, rgba(242,193,78,.45) 68%);
    padding:0 2px;
  }
  .hero-sub{font-size:16px;line-height:1.85;color:var(--muted);max-width:34em;margin:0 0 26px;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
  .trust{display:flex;flex-wrap:wrap;gap:0;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);}
  .trust li{
    display:flex;align-items:center;font-size:13px;color:var(--muted);line-height:1.6;
    padding:0 14px 0 0;margin:0 14px 8px 0;border-right:1px solid var(--line);
  }
  .trust li:last-child{border-right:none;margin-right:0;padding-right:0;}
  .trust b{color:var(--ink);font-weight:700;margin-right:5px;font-variant-numeric:tabular-nums;}
  .hero-media{position:relative;}
  .hero-media .frame{
    position:relative;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);
    aspect-ratio:4/3;background:var(--sink);box-shadow:var(--shadow-1);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media .tag-float{
    position:absolute;left:14px;bottom:14px;
    background:rgba(14,42,42,.82);color:#fff;border-radius:999px;
    padding:6px 14px;font-size:12px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:8px;
  }

  /* ---------- service asymmetric ---------- */
  .svc-grid{display:grid;gap:20px;}
  @media (min-width:1024px){.svc-grid{grid-template-columns:4fr 8fr;gap:32px;align-items:start;}}
  .svc-intro h2{margin-bottom:14px;}
  .svc-right{display:grid;gap:16px;}
  .svc-main{
    position:relative;overflow:hidden;
    background:var(--ink-soft);border:1px solid rgba(14,74,75,.16);
    border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .svc-main:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(14,74,75,.3);}
  .svc-main .num{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.16em;font-variant-numeric:tabular-nums;}
  .svc-main h3{margin:10px 0 10px;font-size:22px;color:var(--ink);}
  .svc-main p{color:var(--muted);font-size:15px;margin-bottom:10px;}
  .svc-main .media{margin-top:16px;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/7;border:1px solid rgba(14,74,75,.12);}
  .svc-main .media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .svc-main:hover .media img{transform:scale(1.03);}
  .svc-small-grid{display:grid;gap:16px;}
  @media (min-width:640px){.svc-small-grid{grid-template-columns:1fr 1fr;}}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  @media (min-width:768px){.card{padding:24px;}}
  .card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(14,74,75,.3);}
  .card .icon-box{
    width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
    background:var(--ink-soft);color:var(--ink);margin-bottom:14px;
  }
  .card .icon-box svg{width:20px;height:20px;}
  .card h3{font-size:18px;margin-bottom:8px;}
  .card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 12px;}
  .card .card-foot{margin-top:auto;}

  /* ---------- stats ---------- */
  .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
  @media (min-width:900px){.stats{grid-template-columns:repeat(4,1fr);}}
  .stat{
    padding:18px 16px;border-top:1px solid rgba(232,239,236,.16);
  }
  @media (min-width:900px){
    .stat{border-top:none;border-left:1px solid rgba(232,239,236,.16);padding:8px 26px;}
    .stat:first-child{border-left:none;padding-left:0;}
  }
  .stat .num{font-size:36px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.01em;}
  .stat .num span{font-size:16px;font-weight:600;color:var(--gold);margin-left:4px;}
  .stat .cap{margin-top:8px;font-size:14px;line-height:1.7;color:var(--dark-muted);}
  .stat-note{margin-top:22px;font-size:12px;color:rgba(169,189,185,.85);}

  /* ---------- cases ---------- */
  .case-grid{display:grid;gap:20px;}
  @media (min-width:900px){.case-grid{grid-template-columns:1fr 1fr;gap:24px;align-items:start;}}
  .case-card{
    display:grid;gap:0;overflow:hidden;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  @media (min-width:600px){.case-card{grid-template-columns:1fr 1fr;align-items:stretch;}}
  .case-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(14,74,75,.3);}
  .case-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--sink);}
  @media (min-width:600px){.case-thumb{aspect-ratio:auto;height:100%;min-height:190px;}}
  .case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .case-card:hover .case-thumb img{transform:scale(1.03);}
  .case-body{padding:20px;display:flex;flex-direction:column;gap:8px;}
  .case-body h3{font-size:18px;line-height:1.45;}
  .case-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
  .case-body .card-foot{margin-top:auto;padding-top:6px;}
  .case-offset{margin-top:0;}
  @media (min-width:900px){.case-offset{margin-top:24px;}}

  /* ---------- category entries ---------- */
  .cat-grid{display:grid;gap:16px;}
  @media (min-width:640px){.cat-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.cat-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
  .cat-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .cat-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(14,74,75,.3);}
  .cat-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--sink);}
  .cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .cat-card:hover .thumb img{transform:scale(1.03);}
  .cat-card .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .cat-card h3{font-size:17px;line-height:1.45;}
  .cat-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}
  .cat-card .card-foot{margin-top:auto;padding-top:6px;}

  /* ---------- posts list ---------- */
  .post-list{border-top:1px solid var(--line);}
  .post-row{
    display:block;padding:20px 12px;border-bottom:1px solid var(--line);
    transition:background .2s ease;
  }
  @media (min-width:768px){.post-row{padding:22px 16px;}}
  .post-row:hover{background:var(--paper);}
  .post-row .row-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
  .post-row h3{
    font-size:17px;line-height:1.5;margin:0 0 8px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .2s ease;
  }
  @media (min-width:768px){.post-row h3{font-size:19px;}}
  .post-row:hover h3{color:var(--ink);}
  .post-row .sum{
    font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 12px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-row .row-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;}
  .post-row time{font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums;}
  .empty-state{
    border:1px dashed #C9C2B4;border-radius:var(--r-card);
    padding:38px 20px;text-align:center;color:var(--muted);background:rgba(255,255,255,.5);
  }
  .empty-state svg{width:30px;height:30px;color:var(--weak);margin:0 auto 10px;}
  .empty-state p{margin:0;font-size:15px;}

  /* ---------- steps ---------- */
  .steps{display:grid;gap:20px;}
  @media (min-width:900px){.steps{grid-template-columns:repeat(4,1fr);gap:24px;}}
  .step{position:relative;padding-left:34px;}
  @media (min-width:900px){
    .step{padding-left:0;padding-top:34px;}
    .step::before{
      content:"";position:absolute;left:16px;right:-24px;top:11px;height:1px;background:var(--line);
    }
    .step:last-child::before{display:none;}
  }
  .step .node{
    position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:999px;
    background:var(--coral);color:#fff;font-size:12px;font-weight:700;
    display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
    box-shadow:0 0 0 5px rgba(242,107,58,.12);
  }
  @media (min-width:900px){
    .step .node{left:0;top:0;}
    .step{padding-left:0;}
  }
  .step h3{font-size:17px;margin:0 0 6px;}
  .step p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
  @media (max-width:899px){
    .steps{position:relative;gap:0;}
    .step{padding-left:34px;padding-bottom:24px;}
    .step::after{
      content:"";position:absolute;left:10px;top:26px;bottom:0;width:1px;background:var(--line);
    }
    .step:last-child::after{display:none;}
    .step:last-child{padding-bottom:0;}
  }

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:12px;max-width:900px;}
  .faq-item{
    border:1px solid var(--line);border-radius:12px;background:var(--card);
    overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{border-color:rgba(14,74,75,.28);box-shadow:var(--shadow-1);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
    padding:16px 18px;font-size:16px;font-weight:600;line-height:1.55;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:var(--paper);}
  .faq-item[open] summary{background:var(--paper);}
  .q-badge{
    flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--ink-soft);color:var(--ink);
    font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }
  .faq-plus{
    margin-left:auto;flex:0 0 auto;width:20px;height:20px;color:var(--muted);
    transition:transform .2s ease,color .2s ease;
  }
  .faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--coral);}
  .faq-body{padding:0 18px 18px 52px;font-size:15px;line-height:1.85;color:var(--muted);}
  .faq-body p{margin:0;}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;gap:28px;}
  @media (min-width:1024px){.contact-grid{grid-template-columns:6fr 6fr;gap:48px;align-items:start;}}
  .info-list{display:grid;gap:16px;margin-top:22px;}
  .info-item{display:flex;gap:12px;align-items:flex-start;}
  .info-item .icon-box{
    flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.6);
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);
  }
  .info-item .icon-box svg{width:18px;height:18px;}
  .info-item .label{font-size:12px;color:var(--weak);letter-spacing:.1em;line-height:1.6;}
  .info-item .value{font-size:15px;color:var(--text);line-height:1.7;font-weight:600;word-break:break-all;}
  .form-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){.form-card{padding:28px;}}
  .form-grid{display:grid;gap:16px;}
  @media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .full{grid-column:1 / -1;}}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field label{font-size:14px;font-weight:600;color:var(--text);}
  .field label .req{color:var(--coral);margin-left:2px;}
  .field input,.field select,.field textarea{
    height:44px;padding:0 12px;border-radius:var(--r-btn);
    border:1px solid var(--line-strong);background:#fff;color:var(--text);font-size:15px;
    transition:border-color .2s ease,box-shadow .2s ease;
    width:100%;
  }
  .field textarea{height:auto;min-height:110px;padding:12px;line-height:1.7;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,74,75,.12);
  }
  .field .hint{font-size:12px;color:var(--weak);line-height:1.6;}
  .check-line{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);line-height:1.7;}
  .check-line input{width:16px;height:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--ink);}
  .form-note{font-size:12px;color:var(--weak);margin:10px 0 0;line-height:1.7;}

  /* ---------- cta band ---------- */
  .cta-band{
    background:var(--ink);color:#fff;border-radius:var(--r-card);
    padding:28px 22px;display:grid;gap:18px;
    box-shadow:var(--shadow-1);
  }
  @media (min-width:900px){
    .cta-band{grid-template-columns:8fr 4fr;align-items:center;gap:32px;padding:38px 36px;}
  }
  .cta-band h2{font-size:24px;color:#fff;margin-bottom:8px;}
  .cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .btn-on-dark{background:#fff;color:var(--ink);}
  .btn-on-dark:hover{background:var(--gold);color:#3A2B00;transform:translateY(-1px);}
  .btn-outline-light{border:1px solid rgba(255,255,255,.5);color:#fff;}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}

  /* ---------- footer ---------- */
  .site-footer{background:var(--dark);color:var(--dark-text);padding:48px 0 0;position:relative;}
  .site-footer::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,rgba(242,193,78,0),rgba(242,193,78,.55),rgba(242,193,78,0));
  }
  .footer-grid{display:grid;gap:28px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;}}
  .footer-brand .brand-name{color:#fff;font-size:19px;}
  .footer-brand p{font-size:14px;color:var(--dark-muted);line-height:1.8;margin:12px 0 16px;max-width:30em;}
  .footer-social{display:flex;gap:10px;}
  .footer-social a{
    width:36px;height:36px;border-radius:9px;border:1px solid rgba(232,239,236,.22);
    display:flex;align-items:center;justify-content:center;color:var(--dark-text);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .footer-social a:hover{border-color:var(--gold);color:var(--gold);background:rgba(242,193,78,.08);}
  .footer-social svg{width:17px;height:17px;}
  .footer-col h3{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:14px;}
  .footer-col ul{display:grid;gap:9px;}
  .footer-col a{font-size:14px;color:var(--dark-muted);transition:color .2s ease;}
  .footer-col a:hover{color:var(--gold);}
  .footer-contact li{font-size:14px;color:var(--dark-muted);line-height:1.75;margin-bottom:9px;display:flex;gap:8px;}
  .footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--gold);}
  .footer-bottom{
    margin-top:36px;border-top:1px solid rgba(232,239,236,.14);
    padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12px;color:rgba(169,189,185,.85);
  }
  .footer-bottom span{line-height:1.7;}

  /* ---------- mobile tabbar ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
    display:grid;grid-template-columns:repeat(5,1fr);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 18px -14px rgba(14,32,31,.4);
  }
  @media (min-width:768px){.tabbar{display:none;}}
  .tab-item{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    padding:5px 2px;border-radius:9px;color:var(--weak);font-size:11px;line-height:1.4;
    transition:color .2s ease,background .2s ease;
  }
  .tab-item svg{width:20px;height:20px;stroke-width:1.5;}
  .tab-item:active{background:var(--paper);}
  .tab-item.is-active{color:var(--ink);font-weight:700;}
  .tab-item.is-active svg{stroke-width:1.9;}
  body{padding-bottom:76px;}
  @media (min-width:768px){body{padding-bottom:0;}}

  /* ---------- misc ---------- */
  .divider{height:1px;background:var(--line);}
  .muted{color:var(--muted);}
  .text-ink{color:var(--ink);}
  .mt-0{margin-top:0;}
  .section-dark .section-desc{color:var(--dark-muted);}
  .section-dark h2{color:#fff;}
  .scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: article */
:root{
  --ink:#0E4A4B;
  --ink-deep:#0A3A3B;
  --carp:#F26B3A;
  --carp-soft:#FDEAE2;
  --carp-text:#B8431A;
  --gold:#F2C14E;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --sink:#EFEBE2;
  --text:#14201F;
  --text-2:#5A6B69;
  --text-3:#8A9694;
  --line:#E3DED3;
  --footer-bg:#0E2A2A;
  --footer-text:#E8EFEC;
  --footer-text-2:#A9BDB9;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(14,32,31,.06);
  --shadow-2:0 14px 30px -18px rgba(14,32,31,.30);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
@media(min-width:768px){body{padding-bottom:0;}}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;}
p{margin:0 0 1em;}
svg{display:block;}
::selection{background:rgba(242,107,58,.22);}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 22px -18px rgba(14,32,31,.55);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:12px;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  flex-shrink:1;
}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{
  display:block;
  font-size:16px;
  font-weight:700;
  line-height:1.15;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-sub{
  display:block;
  font-size:11px;
  line-height:1.3;
  margin-top:3px;
  color:var(--text-3);
  white-space:nowrap;
}
.nav-desktop{display:none;}
@media(min-width:1024px){
  .nav-desktop{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:auto;
  }
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:8px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(14,74,75,.06);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--ink);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
}
@media(min-width:1024px){
  .header-actions{margin-left:16px;}
  .nav-desktop + .header-actions{margin-left:16px;}
}
.header-phone{
  display:grid;place-items:center;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.header-phone:hover{border-color:var(--ink);background:rgba(14,74,75,.05);}
@media(min-width:1024px){.header-phone{display:none;}}
@media(max-width:519px){
  .header-actions .btn{display:none;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:rgba(14,74,75,.06);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-sm svg{width:15px;height:15px;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  padding-top:22px;
  font-size:14px;
  line-height:1.6;
  color:var(--text-3);
}
.crumbs a{color:var(--text-2);transition:color .18s var(--ease);}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#C9C2B4;}
.crumbs .current{
  color:var(--text-3);
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
@media(min-width:768px){.crumbs{padding-top:28px;}}

/* ============ 文章页主体 ============ */
.article-main{padding-bottom:24px;}
.article-shell{
  max-width:880px;
  margin:0 auto;
}
.article-head{padding:26px 0 0;}
.article-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--carp-soft);
  color:var(--carp-text);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.article-tag::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--carp);
}
.article-title{
  margin-top:14px;
  font-size:30px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.005em;
  color:var(--text);
  overflow-wrap:break-word;
}
@media(min-width:768px){
  .article-title{font-size:34px;}
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:16px;
  font-size:14px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{
  width:1px;height:12px;
  background:var(--line);
  flex:0 0 1px;
}
.article-meta .meta-strong{color:var(--text-2);}

/* 正文卡 */
.article-paper{
  margin-top:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px 20px 28px;
}
@media(min-width:768px){
  .article-paper{padding:36px 40px 42px;}
}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  overflow-wrap:break-word;
  word-wrap:break-word;
}
.article-body p{margin:0 0 1em;line-height:1.85;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;
  padding-left:13px;
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  color:var(--text);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:3px;
  border-radius:3px;
  background:var(--ink);
}
.article-body h3{
  margin:1.8em 0 .6em;
  font-size:18px;
  font-weight:600;
  line-height:1.45;
}
.article-body h4{
  margin:1.5em 0 .5em;
  font-size:16px;
  font-weight:600;
}
.article-body h2:first-child,
.article-body h3:first-child{margin-top:0;}
.article-body a{
  color:var(--ink);
  text-decoration:underline;
  text-decoration-style:dashed;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:color .18s var(--ease);
}
.article-body a:hover{color:var(--carp);}
.article-body strong{font-weight:700;color:var(--text);}
.article-body ul,
.article-body ol{margin:0 0 1.2em;padding-left:1.4em;line-height:1.75;}
.article-body ul{list-style:none;padding-left:1.3em;}
.article-body ul > li{position:relative;margin-bottom:8px;line-height:1.75;}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:-1.05em;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--carp);
}
.article-body ol{list-style:decimal;}
.article-body ol > li{margin-bottom:8px;padding-left:4px;line-height:1.75;}
.article-body ol > li::marker{color:var(--carp);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--paper);
  border-left:3px solid var(--carp);
  border-radius:0 10px 10px 0;
  color:var(--text-2);
  font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--radius-img);
  margin:1.4em 0 .6em;
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:14px;color:var(--text-3);margin-top:6px;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:15px;
  line-height:1.65;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:#F0EDE5;font-weight:600;}
.article-body code{
  background:var(--sink);
  padding:2px 6px;
  border-radius:6px;
  font-size:15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#0E2A2A;
  color:#E8EFEC;
  padding:16px 18px;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:1.4em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2em 0;
}
@media(max-width:640px){
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;margin-top:1.9em;}
  .article-body h3{font-size:17px;}
  .article-body table{font-size:14px;}
  .article-body th,
  .article-body td{padding:8px 10px;}
}

/* 空态 */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:48px 24px;
  border:1px dashed #C9C2B4;
  border-radius:12px;
  text-align:center;
  color:var(--text-2);
}
.empty-state svg{width:40px;height:40px;color:var(--text-3);}
.empty-state p{margin:0;font-size:16px;}

/* 返回与 CTA */
.article-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:color .18s var(--ease);
}
.text-link svg{width:16px;height:16px;transition:transform .2s var(--ease);}
.text-link:hover{color:var(--ink-deep);}
.text-link:hover svg{transform:translateX(-3px);}

/* 延伸阅读 */
.related{
  margin-top:52px;
  padding-top:34px;
  border-top:1px solid var(--line);
}
.related-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:600;
  margin-bottom:20px;
}
.related-title::before{
  content:"";
  width:3px;height:20px;
  border-radius:3px;
  background:var(--ink);
}
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media(min-width:768px){
  .related-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.related-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(14,74,75,.30);
}
.related-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--sink);
}
.related-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.related-card:hover .thumb img{transform:scale(1.03);}
.related-card .body{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px 18px 20px;
  flex:1;
}
.related-card .cat{
  align-self:flex-start;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:#E3EEEC;
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  line-height:24px;
}
.related-card h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin:0;
  color:var(--text);
  transition:color .18s var(--ease);
}
.related-card:hover h3{color:var(--ink);}
.related-card .date{
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.related-card .more{
  margin-top:auto;
  padding-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.related-card .more svg{width:14px;height:14px;transition:transform .2s var(--ease);}
.related-card:hover .more svg{transform:translateX(3px);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:52px 0 26px;
  border-top:1px solid rgba(232,239,236,.14);
}
@media(min-width:768px){
  .site-footer{margin-top:88px;padding-top:64px;}
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media(min-width:768px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;}
}
.footer-brand .brand-name{
  display:inline-block;
  font-size:18px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
}
.footer-brand p{
  margin:12px 0 18px;
  max-width:32em;
  font-size:14px;
  line-height:1.8;
  color:var(--footer-text-2);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  display:grid;
  place-items:center;
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(232,239,236,.20);
  color:var(--footer-text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--gold);border-color:var(--gold);transform:translateY(-1px);}
.footer-social svg{width:18px;height:18px;}
.footer-col h3{
  margin:0 0 14px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--footer-text-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--gold);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14px;
  line-height:1.7;
  color:var(--footer-text-2);
}
.footer-contact svg{
  width:16px;height:16px;
  flex:0 0 16px;
  margin-top:5px;
  color:var(--gold);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(232,239,236,.14);
  font-size:13px;
  line-height:1.7;
  color:rgba(169,189,185,.92);
}
.footer-bottom p{margin:0;}

/* ============ 移动端底部 Tab ============ */
.mobile-tabs{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -20px rgba(14,32,31,.6);
  padding-bottom:env(safe-area-inset-bottom);
}
@media(min-width:768px){.mobile-tabs{display:none;}}
.mtab{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:8px 2px 7px;
  font-size:12px;
  line-height:1.2;
  color:var(--text-3);
  transition:color .2s var(--ease);
}
.mtab svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.mtab:active{background:rgba(14,74,75,.05);}
.mtab.is-active{color:var(--ink);font-weight:600;}

/* roulang page: category1 */
:root{
  --ink:#0E4A4B;
  --ink-dark:#0A3A3B;
  --coral:#F26B3A;
  --coral-soft:#FDEAE2;
  --gold:#F2C14E;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --sunken:#EFEBE2;
  --text:#14201F;
  --muted:#5A6B69;
  --weak:#8A9694;
  --line:#E3DED3;
  --footer-bg:#0E2A2A;
  --footer-text:#E8EFEC;
  --footer-muted:#A9BDB9;
  --radius-card:14px;
  --radius-ctl:10px;
  --shadow-1:0 1px 2px rgba(14,32,31,.06);
  --shadow-2:0 14px 30px -18px rgba(14,32,31,.30);
}
*,*::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","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  body{font-size:17px;padding-bottom:0}
  .container{padding-left:32px;padding-right:32px}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:66px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--ink);
  color:#fff;
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-name{
  display:block;
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  color:var(--text);
  letter-spacing:.01em;
}
.brand-sub{
  display:block;
  font-size:11px;
  line-height:1.5;
  color:var(--weak);
  letter-spacing:.02em;
}
.nav-desktop{display:none}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;
  color:var(--muted);
  transition:color .2s ease-out;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-phone{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink);
  transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.header-phone:hover{background:var(--card);border-color:rgba(14,74,75,.35);transform:translateY(-1px)}
@media (min-width:1024px){
  .nav-desktop{display:flex;align-items:center;gap:26px}
  .header-inner{min-height:72px;gap:24px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-ctl);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:0 0 auto}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-dark);border-color:var(--ink-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(14,74,75,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-sm svg{width:15px;height:15px}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease-out;
}
.text-link svg{width:15px;height:15px;transition:transform .2s ease-out}
.text-link:hover{color:var(--ink-dark)}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:20px 0 0;
  font-size:13px;
  color:var(--weak);
}
.breadcrumb a{transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb span[aria-current]{color:var(--muted)}
.breadcrumb .sep{color:#C9C2B4}

/* ============ 首屏 ============ */
.page-hero{padding:24px 0 48px}
.hero-grid{display:grid;gap:28px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--coral-soft);
  color:var(--coral);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.page-hero h1{
  margin-top:18px;
  font-size:30px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  max-width:18em;
}
.page-hero h1 .hl{
  color:var(--ink);
  background:linear-gradient(to top,rgba(242,193,78,.35) 0,rgba(242,193,78,.35) 8px,transparent 8px);
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
@media (min-width:1024px){
  .page-hero{padding:24px 0 64px}
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center}
  .page-hero h1{font-size:40px}
  .hero-lead{font-size:17px}
}

/* ============ 板块通用 ============ */
.sec{padding:52px 0}
.sec--sunken{background:var(--sunken)}
.sec--paper{background:var(--paper)}
.sec--card{background:var(--card)}
.sec-head{max-width:34em}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--coral);
  text-transform:uppercase;
}
.sec-eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--coral);
  border-radius:2px;
}
.sec h2{
  margin-top:12px;
  font-size:22px;
  line-height:1.3;
  font-weight:600;
  letter-spacing:-.005em;
}
.sec-desc{
  margin-top:12px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:34em;
}
@media (min-width:768px){
  .sec{padding:64px 0}
  .sec h2{font-size:26px}
}
@media (min-width:1024px){
  .sec{padding:88px 0}
  .sec h2{font-size:28px}
}

/* ============ 图文交错 ============ */
.zig-list{margin-top:8px}
.zig{
  display:grid;
  gap:24px;
  padding:36px 0;
  border-top:1px solid var(--line);
}
.zig:first-child{border-top:0;padding-top:12px}
.zig-media{margin:0}
.zig-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.zig-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--weak);
}
.zig-index b{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  border-radius:8px;
  background:rgba(14,74,75,.08);
  color:var(--ink);
  font-size:12px;
  letter-spacing:0;
}
.zig h3{
  margin-top:12px;
  font-size:20px;
  line-height:1.35;
  font-weight:600;
}
.zig p{
  margin-top:12px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:34em;
}
.point-list{margin-top:18px;display:grid;gap:10px}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--coral);
}
@media (min-width:1024px){
  .zig{
    grid-template-columns:1fr 1fr;
    gap:56px;
    align-items:center;
    padding:52px 0;
  }
  .zig--flip .zig-media{order:2}
  .zig h3{font-size:22px;margin-top:14px}
}

/* ============ 数据条 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px 16px;
  margin-top:32px;
}
.stat{
  padding-left:16px;
  border-left:1px solid rgba(14,74,75,.18);
}
.stat-num{
  font-size:28px;
  line-height:1.15;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  letter-spacing:-.02em;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px}
.stat-label{
  margin-top:8px;
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
}
.stats-note{
  margin-top:22px;
  font-size:13px;
  color:var(--weak);
}
@media (min-width:992px){
  .stats{grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
  .stat-num{font-size:40px}
}

/* ============ 情境速查清单 ============ */
.check-list{margin-top:28px;border-top:1px solid var(--line)}
.check-row{
  display:grid;
  gap:6px;
  padding:18px 14px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease-out;
}
.check-row:hover{background:#FBF9F4}
.check-row .cr-q{
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.check-row .cr-a{
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
}
.check-row .cr-tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(14,74,75,.08);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  width:fit-content;
}
@media (min-width:768px){
  .check-row{
    grid-template-columns:1fr 1.4fr auto;
    align-items:center;
    gap:24px;
    padding:20px 16px;
  }
  .check-row .cr-a{margin:0}
  .check-row .cr-tag{justify-self:end}
}

/* ============ FAQ ============ */
.faq-list{margin-top:32px;max-width:56rem}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--paper)}
.faq-q{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:6px;
  background:var(--coral-soft);
  color:var(--coral);
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.faq-plus{
  margin-left:auto;
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:4px;
  position:relative;
  transition:transform .2s ease-out;
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.faq-plus::before{left:0;right:0;top:8px;height:2px}
.faq-plus::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] summary{background:var(--paper)}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-a{
  padding:0 20px 20px 54px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.faq-a p + p{margin-top:10px}
@media (min-width:768px){
  .faq-a{padding:0 24px 22px 56px}
  .faq-item summary{padding:20px 24px}
  .faq-a .faq-a-inline{display:inline}
}

/* ============ 分类互链 ============ */
.cat-links{
  display:grid;
  gap:16px;
  margin-top:32px;
}
.cat-link{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px;
  border-radius:var(--radius-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cat-link:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(14,74,75,.3);
}
.cat-link .cl-kicker{
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--coral);
}
.cat-link h3{font-size:18px;font-weight:600;line-height:1.4}
.cat-link p{font-size:14px;line-height:1.75;color:var(--muted)}
.cat-link .text-link{margin-top:auto;padding-top:6px}
@media (min-width:768px){
  .cat-links{grid-template-columns:repeat(3,1fr);gap:20px}
}

/* ============ CTA ============ */
.cta-band{
  background:var(--footer-bg);
  color:var(--footer-text);
  border-radius:16px;
  padding:32px 24px;
  display:grid;
  gap:22px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-80px;
  width:260px;height:260px;
  border-radius:50%;
  border:1px solid rgba(232,239,236,.12);
  pointer-events:none;
}
.cta-band h2{
  font-size:22px;
  line-height:1.35;
  font-weight:600;
  color:#fff;
  max-width:22em;
}
.cta-band p{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--footer-muted);
  max-width:36em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-band .btn-primary{background:var(--coral);border-color:var(--coral);color:#fff}
.cta-band .btn-primary:hover{background:#d95a2c;border-color:#d95a2c}
.cta-band .btn-ghost{color:#fff;border-color:rgba(232,239,236,.45)}
.cta-band .btn-ghost:hover{background:rgba(232,239,236,.10)}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px 40px;gap:32px}
  .cta-actions{justify-content:flex-end}
  .cta-band h2{font-size:26px}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--footer-bg);
  color:var(--footer-text);
  margin-top:0;
  border-top:1px solid rgba(232,239,236,.10);
  padding:52px 0 28px;
}
.footer-grid{display:grid;gap:32px}
.footer-brand .brand-name{
  color:#fff;
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
}
.footer-brand p{
  margin-top:12px;
  font-size:14px;
  line-height:1.85;
  color:var(--footer-muted);
  max-width:30em;
}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid rgba(232,239,236,.16);
  color:var(--footer-text);
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.footer-social a svg{width:18px;height:18px}
.footer-social a:hover{
  background:rgba(242,193,78,.12);
  border-color:rgba(242,193,78,.55);
  color:var(--gold);
  transform:translateY(-1px);
}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
}
.footer-col ul{margin-top:14px;display:grid;gap:10px}
.footer-col ul a{
  font-size:14px;
  line-height:1.7;
  color:var(--footer-muted);
  transition:color .2s ease-out;
}
.footer-col ul a:hover{color:var(--gold)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  line-height:1.7;
  color:var(--footer-muted);
}
.footer-contact svg{
  width:16px;height:16px;
  flex:0 0 auto;
  margin-top:4px;
  color:var(--footer-muted);
}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(232,239,236,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--footer-muted);
  font-variant-numeric:tabular-nums;
}
@media (min-width:768px){
  .site-footer{padding:64px 0 30px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
}

/* ============ 移动底部 Tab ============ */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:2px;
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 20px -16px rgba(14,32,31,.45);
}
.tab-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:6px 2px;
  border-radius:10px;
  font-size:11px;
  line-height:1.2;
  color:var(--weak);
  transition:color .2s ease-out,background .2s ease-out;
}
.tab-item svg{width:22px;height:22px;stroke-width:1.5}
.tab-item:hover{color:var(--ink);background:rgba(14,74,75,.05)}
.tab-item.is-active{color:var(--ink);font-weight:600}
@media (min-width:768px){
  .tabbar{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#0E4A4B;
  --ink-dark:#0A3A3B;
  --ink-soft:#E3EEEC;
  --carp:#F26B3A;
  --carp-soft:#FDEAE2;
  --fin:#F2C14E;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --sink:#EFEBE2;
  --text:#14201F;
  --text-2:#5A6B69;
  --text-3:#8A9694;
  --line:#E3DED3;
  --deep:#0E2A2A;
  --deep-text:#E8EFEC;
  --deep-2:#A9BDB9;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,32,31,.06);
  --sh-2:0 14px 30px -18px rgba(14,32,31,.30);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:768px){body{padding-bottom:0;font-size:17px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(14,32,31,.35)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
@media(min-width:768px){.header-inner{height:76px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-soft);color:var(--ink);
  border:1px solid rgba(14,74,75,.14);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{display:block;font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--ink);line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--text-3);letter-spacing:.6px;line-height:1.4}
.nav-desktop{display:none}
@media(min-width:1024px){
  .nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto}
}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:9px;
  font-size:15px;color:var(--text-2);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--ink);background:rgba(14,74,75,.06)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--ink);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.header-phone{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.header-phone:hover{border-color:rgba(14,74,75,.35);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn svg{width:18px;height:18px;transition:transform .2s ease-out}
.btn:hover svg{transform:translateX(3px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,193,78,.65)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(14,74,75,.45)}
.btn-ghost:hover{background:rgba(14,74,75,.06);border-color:var(--ink)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
@media(max-width:1023px){.header-actions .btn{display:none}}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:14px;color:var(--text-3);padding:22px 0 0;
}
.crumb a{color:var(--text-2);transition:color .2s ease-out}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#C9C2B4}
.crumb .current{color:var(--text-2)}

/* ---------- hero ---------- */
.hero{padding:20px 0 56px;background:var(--paper)}
@media(min-width:768px){.hero{padding:24px 0 72px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:var(--carp-soft);color:#C2481F;
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--carp)}
.hero h1{
  font-size:30px;line-height:1.28;font-weight:700;letter-spacing:-.2px;
  margin-top:18px;max-width:22em;color:var(--text);
}
@media(min-width:768px){.hero h1{font-size:40px;line-height:1.25}}
.hero h1 em{font-style:normal;color:var(--ink);box-shadow:inset 0 -8px 0 rgba(242,193,78,.42)}
.hero-lead{
  margin-top:16px;max-width:34em;color:var(--text-2);font-size:16px;
}
@media(min-width:768px){.hero-lead{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:14px;color:var(--text-2)}
.hero-tags span{display:inline-flex;align-items:center;gap:7px}
.hero-tags span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--fin)}
.hero-media{
  margin-top:34px;position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--sink);
}
.hero-media img{width:100%;aspect-ratio:21/9;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:#E8EFEC;
  background:linear-gradient(180deg,rgba(14,42,42,0) 0%,rgba(14,42,42,.72) 100%);
}

/* ---------- section base ---------- */
.section{padding:52px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:80px 0}}
.section--sink{background:var(--sink)}
.section--deep{background:var(--deep);color:var(--deep-text)}
.section-head{max-width:34em}
.section-head h2{
  font-size:22px;line-height:1.3;font-weight:600;color:var(--text);
  padding-left:14px;position:relative;
}
@media(min-width:768px){.section-head h2{font-size:28px}}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--ink);border-radius:2px;
}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px}
.section--deep .section-head h2{color:#fff}
.section--deep .section-head h2::before{background:var(--fin)}
.section--deep .section-head p{color:var(--deep-2)}

/* ---------- layout with anchor aside ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:26px;margin-top:28px}
@media(min-width:1024px){
  .layout{grid-template-columns:minmax(0,9fr) minmax(0,3fr);gap:32px;align-items:start}
}
.anchor-aside{order:-1}
@media(min-width:1024px){.anchor-aside{order:2;position:sticky;top:96px}}
.anchor-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
}
@media(max-width:1023px){
  .anchor-aside{
    position:sticky;top:60px;z-index:40;
    margin:0 -20px;padding:10px 20px 8px;
    background:var(--paper);
    border-bottom:1px solid var(--line);
  }
  .anchor-box{background:transparent;border:none;border-radius:0;padding:0;box-shadow:none}
}
.anchor-title{
  font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--text-3);
  text-transform:uppercase;margin-bottom:10px;
}
@media(max-width:1023px){.anchor-title{display:none}}
.anchor-nav{display:flex;flex-direction:column;gap:2px}
@media(max-width:1023px){
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:none}
  .anchor-nav::-webkit-scrollbar{display:none}
}
.anchor-link{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.anchor-link:hover{background:rgba(14,74,75,.06);color:var(--ink)}
.anchor-link.is-active{background:var(--ink-soft);color:var(--ink);font-weight:600}
@media(max-width:1023px){
  .anchor-link{border:1px solid var(--line);background:var(--card);padding:6px 12px;font-size:13px}
  .anchor-link.is-active{border-color:rgba(14,74,75,.35);background:var(--ink-soft)}
}
.anchor-tip{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);line-height:1.7;
}
@media(max-width:1023px){.anchor-tip{display:none}}

/* ---------- content blocks ---------- */
.block{margin-bottom:44px;scroll-margin-top:130px}
@media(min-width:1024px){.block{scroll-margin-top:110px;margin-bottom:52px}}
.block:last-child{margin-bottom:0}
.block h2{
  font-size:20px;font-weight:600;line-height:1.35;color:var(--text);
  padding-left:13px;position:relative;
}
@media(min-width:768px){.block h2{font-size:24px}}
.block h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;
  background:var(--carp);border-radius:2px;
}
.block-intro{margin-top:10px;color:var(--text-2);font-size:15px;max-width:34em}

.card-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:22px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
.pt-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
@media(min-width:768px){.pt-card{padding:24px}}
.pt-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,75,.3)}
.pt-card .card-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.card-num{
  font-variant-numeric:tabular-nums;font-size:12px;font-weight:700;
  color:var(--ink);background:var(--ink-soft);
  border-radius:999px;padding:2px 9px;letter-spacing:.5px;
}
.card-ico{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,74,75,.07);color:var(--ink);flex:0 0 auto}
.card-ico svg{width:19px;height:19px}
.pt-card h3{font-size:18px;font-weight:600;line-height:1.4;color:var(--text)}
.pt-card p{margin-top:8px;font-size:14.5px;line-height:1.78;color:var(--text-2)}
.card-link{
  margin-top:auto;padding-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:color .2s ease-out;
}
.card-link svg{width:15px;height:15px;transition:transform .2s ease-out}
.card-link:hover{color:var(--carp)}
.card-link:hover svg{transform:translateX(3px)}
.card-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,193,78,.65);border-radius:6px}

/* table */
.table-wrap{
  margin-top:22px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow-x:auto;
}
table.ver-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14px}
table.ver-table caption{
  caption-side:top;text-align:left;padding:16px 18px 6px;
  font-size:13px;color:var(--text-3);
}
table.ver-table th,table.ver-table td{
  padding:12px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.ver-table thead th{
  background:#F0EDE5;color:var(--text-2);font-size:13px;font-weight:600;letter-spacing:.3px;
}
table.ver-table tbody td{color:var(--text-2);font-variant-numeric:tabular-nums}
table.ver-table tbody td:first-child{color:var(--text);font-weight:600}
table.ver-table tbody tr:last-child td{border-bottom:none}
table.ver-table tbody tr:hover{background:var(--paper)}

/* steps */
.step-list{margin-top:22px;border-radius:var(--r-card);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);overflow:hidden}
.step-item{display:flex;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}
.step-item:last-child{border-bottom:none}
.step-item:hover{background:var(--paper)}
.step-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-top:2px;
}
.step-item h4{font-size:15px;font-weight:600;color:var(--text)}
.step-item p{font-size:14px;color:var(--text-2);margin-top:4px;line-height:1.75}

/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px;margin-top:28px}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:0}}
.stat-item{position:relative;padding-left:0}
@media(min-width:768px){
  .stat-item{padding:0 22px;border-left:1px solid rgba(232,239,236,.18)}
  .stat-item:first-child{border-left:none;padding-left:0}
}
.stat-num{font-size:32px;font-weight:700;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
@media(min-width:768px){.stat-num{font-size:40px}}
.stat-num span{font-size:16px;font-weight:600;color:var(--fin);margin-left:2px}
.stat-label{margin-top:6px;font-size:14px;color:var(--deep-2);line-height:1.6}
@media(max-width:767px){
  .stat-item::after{content:"";position:absolute;left:0;right:32%;bottom:-11px;height:1px;background:rgba(232,239,236,.2)}
}

/* faq */
.faq-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;max-width:52em}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:rgba(14,74,75,.28)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
  transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--paper)}
.faq-item summary:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(242,193,78,.8)}
.q-badge{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:var(--carp-soft);color:#C2481F;font-size:12px;font-weight:700;
}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;color:var(--text-3);
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq-item[open] summary{background:var(--paper)}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--ink)}
.faq-answer{padding:0 18px 18px 52px;font-size:15px;line-height:1.85;color:var(--text-2)}
@media(max-width:520px){.faq-answer{padding-left:18px}}

/* related categories */
.rel-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 18px;border-radius:12px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  font-size:15px;font-weight:600;color:var(--ink);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rel-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,75,.3)}
.rel-link svg{width:16px;height:16px;color:var(--text-3);transition:transform .2s ease-out,color .2s ease-out}
.rel-link:hover svg{transform:translateX(3px);color:var(--carp)}
.rel-link small{display:block;font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px}

/* cta band */
.cta-band{
  background:linear-gradient(135deg,#0E4A4B 0%,#0A3A3B 100%);
  color:#fff;border-radius:16px;padding:32px 22px;
  display:flex;flex-direction:column;gap:20px;
  box-shadow:0 18px 40px -30px rgba(14,42,42,.9);
}
@media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px}}
.cta-band h2{font-size:22px;font-weight:600;line-height:1.4}
@media(min-width:768px){.cta-band h2{font-size:26px}}
.cta-band p{margin-top:8px;font-size:14.5px;color:rgba(232,239,236,.82);max-width:34em;line-height:1.75}
.cta-band .btn-primary{background:var(--fin);color:#3A2A05}
.cta-band .btn-primary:hover{background:#E8B53A}
.cta-band .btn-ghost{color:#E8EFEC;border-color:rgba(232,239,236,.5)}
.cta-band .btn-ghost:hover{background:rgba(232,239,236,.12);border-color:#E8EFEC}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* footer */
.site-footer{background:var(--deep);color:var(--deep-text);padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}}
.site-footer .brand-name{color:#fff;font-size:18px}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--deep-2);max-width:26em}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(232,239,236,.2);color:var(--deep-2);
  transition:color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.footer-social a svg{width:18px;height:18px}
.footer-social a:hover{color:var(--fin);border-color:rgba(242,193,78,.6);transform:translateY(-2px)}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;letter-spacing:.5px;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--deep-2);transition:color .2s ease-out}
.footer-col a:hover{color:var(--fin)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--deep-2);line-height:1.7}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:rgba(232,239,236,.55)}
.footer-bottom{
  margin-top:38px;border-top:1px solid rgba(232,239,236,.16);
  padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:8px 18px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8FA6A2;
}
.footer-bottom a{color:#8FA6A2;transition:color .2s ease-out}
.footer-bottom a:hover{color:var(--fin)}
@media(max-width:767px){.site-footer{padding-bottom:8px}}

/* mobile tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -20px rgba(14,32,31,.6);
  padding-bottom:env(safe-area-inset-bottom);
}
@media(min-width:768px){.mobile-tab{display:none}}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 2px 8px;font-size:12px;color:var(--text-3);
  transition:color .2s ease-out;
}
.tab-item svg{width:21px;height:21px;stroke-width:1.5}
.tab-item.is-active{color:var(--ink);font-weight:600}
.tab-item.is-active svg{color:var(--ink)}

/* roulang page: category2 */
:root{
  --ink:#0E4A4B;
  --ink-deep:#0A3A3B;
  --ink-tint:#E3EEEC;
  --koi:#F26B3A;
  --koi-soft:#FDEAE2;
  --fin:#F2C14E;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --sink:#EFEBE2;
  --text:#14201F;
  --text-2:#5A6B69;
  --text-3:#8A9694;
  --line:#E3DED3;
  --line-strong:#D8D2C5;
  --dark:#0E2A2A;
  --dark-text:#E8EFEC;
  --dark-2:#A9BDB9;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(14,32,31,.06);
  --shadow-2:0 14px 30px -18px rgba(14,32,31,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html body{
  margin:0;
  padding-bottom:76px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
html body a{color:inherit;text-decoration:none}
html body img{max-width:100%;display:block}
html body p{margin:0 0 1em}
html body ul,html body ol{margin:0;padding:0}
html body h1,html body h2,html body h3,html body h4{margin:0;line-height:1.25}
html body button{font-family:inherit}
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -16px rgba(14,32,31,.55);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:70px;
}
@media(min-width:768px){.header-inner{min-height:74px}}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;flex:none;
  border-radius:11px;background:var(--ink-tint);color:var(--ink);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{display:block;font-size:17px;font-weight:700;line-height:1.3;letter-spacing:.2px;color:var(--text)}
.brand-sub{display:block;font-size:12px;line-height:1.4;color:var(--text-3)}
.nav-desktop{display:none;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:15px;color:var(--text-2);border-radius:8px;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.nav-link:hover{color:var(--ink);background:rgba(14,74,75,.06)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--ink);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.header-phone{
  display:inline-grid;place-items:center;width:40px;height:40px;
  border-radius:10px;border:1px solid var(--line-strong);background:#fff;
  color:var(--ink);transition:border-color .18s,color .18s,transform .18s;
}
.header-phone:hover{border-color:var(--ink);transform:translateY(-1px)}
.header-actions .btn-cta{display:none}
@media(min-width:1024px){
  .nav-desktop{display:flex}
  .header-actions .btn-cta{display:inline-flex}
  .header-phone{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn svg{width:18px;height:18px;flex:none;transition:transform .2s ease-out}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(14,74,75,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-koi{background:var(--koi);color:#fff}
.btn-koi:hover{background:#d9582a;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.tab-item:focus-visible{
  outline:2px solid var(--fin);outline-offset:2px;
}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  transition:color .18s ease-out;
}
.textlink svg{width:16px;height:16px;transition:transform .2s ease-out}
.textlink:hover{color:var(--ink-deep)}
.textlink:hover svg{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:14px;line-height:1.6;color:var(--text-3);
}
.crumbs a{color:var(--text-2);transition:color .18s}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--text-2)}

/* ---------- 区块通用 ---------- */
.section{padding:52px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section--sink{background:var(--sink)}
.section--paper{background:var(--paper)}
.section--plain{background:#fff}
.section-head{max-width:40em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:var(--koi-soft);color:#C24A1E;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
}
.eyebrow--ink{background:var(--ink-tint);color:var(--ink)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.sec-title{
  margin:16px 0 0;font-size:22px;font-weight:600;line-height:1.25;color:var(--text);
}
@media(min-width:768px){.sec-title{font-size:28px}}
.sec-desc{margin:12px 0 0;font-size:16px;line-height:1.85;color:var(--text-2);max-width:34em}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:8px 0 52px}
@media(min-width:768px){.hero{padding:12px 0 76px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 300px at 82% 12%,rgba(14,74,75,.07),transparent 72%),
    radial-gradient(420px 260px at 8% 88%,rgba(242,107,58,.06),transparent 74%);
}
.hero-grid{position:relative;display:grid;gap:32px;margin-top:26px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:7fr 5fr;gap:52px;margin-top:34px}}
.hero-title{
  margin:18px 0 0;font-size:30px;font-weight:700;line-height:1.25;letter-spacing:-.3px;
}
@media(min-width:768px){.hero-title{font-size:40px}}
.hero-title em{
  font-style:normal;color:var(--ink);
  box-shadow:inset 0 -.34em 0 rgba(242,193,78,.38);
}
.hero-lede{
  margin:18px 0 0;font-size:16px;line-height:1.85;color:var(--text-2);max-width:34em;
}
@media(min-width:768px){.hero-lede{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:30px;padding-top:20px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-3);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust .bar{width:1px;height:12px;background:var(--line-strong)}
.hero-trust b{color:var(--text-2);font-weight:600}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--shadow-2);
}
.hero-badge{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--ink);
  font-size:12px;font-weight:600;box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-badge .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--koi);
  box-shadow:0 0 0 3px rgba(242,107,58,.18);
}

/* ---------- 深色数据带 ---------- */
.stat-band{background:var(--dark);color:var(--dark-text);padding:40px 0}
@media(min-width:768px){.stat-band{padding:56px 0}}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 16px}
@media(min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.stat-item{padding:0}
@media(min-width:900px){
  .stat-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.14)}
  .stat-item:first-child{border-left:0;padding-left:0}
}
.stat-num{
  display:block;font-size:34px;font-weight:700;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;
}
@media(min-width:768px){.stat-num{font-size:40px}}
.stat-num span{font-size:15px;font-weight:600;color:var(--fin);margin-left:4px}
.stat-label{display:block;margin-top:8px;font-size:14px;line-height:1.7;color:var(--dark-2)}
.stat-note{display:block;margin-top:4px;font-size:12px;color:rgba(169,189,185,.72)}
@media(max-width:899px){
  .stat-item{position:relative;padding-left:16px}
  .stat-item::before{content:"";position:absolute;left:0;top:6px;width:10px;height:2px;border-radius:2px;background:var(--koi)}
}

/* ---------- 步骤时间轴 ---------- */
.steps{margin-top:32px;border-top:1px solid var(--line)}
.step{
  display:grid;gap:14px;
  padding:30px 0;border-bottom:1px solid var(--line);
}
@media(min-width:900px){
  .step{grid-template-columns:3fr 9fr;gap:44px;padding:44px 0;align-items:start}
  .step:last-child{border-bottom:0}
}
.step-aside{display:flex;align-items:center;gap:12px}
@media(min-width:900px){
  .step-aside{flex-direction:column;align-items:flex-start;gap:12px}
}
.step-rule{display:block;width:26px;height:2px;border-radius:2px;background:var(--koi);flex:none}
.step-num{
  font-size:38px;font-weight:700;line-height:1;
  color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
@media(min-width:768px){.step-num{font-size:46px}}
.step-phase{font-size:13px;letter-spacing:.14em;color:var(--text-3)}
.step-body h3{font-size:19px;font-weight:600;line-height:1.35;color:var(--text)}
@media(min-width:768px){.step-body h3{font-size:21px}}
.step-body p{
  margin:10px 0 0;font-size:16px;line-height:1.85;color:var(--text-2);max-width:34em;
}
.dot-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.dot-list li{
  position:relative;padding-left:20px;
  font-size:15px;line-height:1.75;color:var(--text-2);
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.66em;
  width:7px;height:7px;border-radius:50%;background:var(--koi);
}
.dot-list li b{color:var(--text);font-weight:600}

/* ---------- 图文块 ---------- */
.split{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:5fr 7fr;gap:52px}}
.split-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--shadow-1);
}
.split-body .sec-title{margin-top:14px}

/* ---------- 提示卡 ---------- */
.note-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:760px){.note-grid{grid-template-columns:1fr 1fr}}
.note-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
@media(min-width:768px){.note-card{padding:26px}}
.note-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(14,74,75,.30);
}
.note-card h3{font-size:18px;font-weight:600;color:var(--text);line-height:1.4}
.note-card p{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--text-2)}
.note-card .textlink{margin-top:auto;padding-top:18px;font-size:14px}
.note-tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:3px 10px;margin-bottom:12px;border-radius:999px;
  background:var(--ink-tint);color:var(--ink);
  font-size:12px;font-weight:600;line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:30px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-color:rgba(14,74,75,.28);box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
  transition:background-color .2s ease-out;
}
@media(min-width:768px){.faq-item summary{padding:18px 22px}}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--paper)}
.faq-item[open] summary{background:var(--paper)}
.faq-q{
  display:inline-grid;place-items:center;flex:none;
  width:24px;height:24px;border-radius:999px;
  background:var(--koi-soft);color:#C24A1E;
  font-size:12px;font-weight:700;
}
.faq-plus{
  margin-left:auto;width:18px;height:18px;flex:none;color:var(--text-3);
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--ink)}
.faq-body{
  padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:38em;
}
@media(min-width:768px){.faq-body{padding:0 22px 20px 56px}}

/* ---------- 互链 ---------- */
.rel-links{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  margin-top:26px;padding-top:26px;border-top:1px solid var(--line);
}
.rel-links .textlink{font-size:15px}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:var(--dark);color:var(--dark-text);
  padding:36px 24px;
}
@media(min-width:768px){.cta-card{padding:56px 48px}}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.20;pointer-events:none;
}
.cta-inner{position:relative;display:grid;gap:26px;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:8fr 4fr;gap:40px}}
.cta-card h2{
  margin:14px 0 0;font-size:23px;font-weight:700;line-height:1.3;color:#fff;
}
@media(min-width:768px){.cta-card h2{font-size:28px}}
.cta-card p{margin:12px 0 0;font-size:15px;line-height:1.85;color:var(--dark-2);max-width:32em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-card .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.10)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:var(--dark-text);
  padding:52px 0 0;margin-top:0;
  border-top:1px solid rgba(255,255,255,.10);
}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-brand p{
  margin:14px 0 18px;font-size:14px;line-height:1.8;
  color:var(--dark-2);max-width:32em;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  display:grid;place-items:center;width:36px;height:36px;
  border-radius:10px;border:1px solid rgba(255,255,255,.14);color:var(--dark-2);
  transition:color .18s,border-color .18s,transform .18s;
}
.footer-social a:hover{color:var(--fin);border-color:rgba(242,193,78,.6);transform:translateY(-1px)}
.footer-social svg{width:18px;height:18px}
.footer-col h3{
  margin:0 0 14px;font-size:14px;font-weight:600;letter-spacing:.06em;color:#fff;
}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--dark-2);transition:color .18s ease-out}
.footer-col a:hover{color:var(--fin)}
.footer-contact li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:var(--dark-2);
}
.footer-contact svg{
  width:16px;height:16px;flex:none;margin-top:4px;color:var(--fin);
}
.footer-bottom{
  margin-top:38px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 calc(26px + env(safe-area-inset-bottom));
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;line-height:1.7;color:var(--dark-2);
}
@media(min-width:1024px){.footer-bottom{padding-bottom:26px}}

/* ---------- 底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:#fff;border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px -18px rgba(14,32,31,.55);
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;border-radius:10px;
  font-size:11px;line-height:1.4;color:var(--text-3);
  transition:color .18s ease-out,background-color .18s ease-out;
}
.tab-item svg{width:22px;height:22px}
.tab-item:hover{background:rgba(14,74,75,.05);color:var(--ink)}
.tab-item.is-active{color:var(--ink);font-weight:600}
@media(min-width:1024px){
  .tabbar{display:none}
  html body{padding-bottom:0}
}

/* roulang page: category4 */
:root{
    --ink:#0E4A4B;
    --ink-deep:#0A3A3B;
    --fin:#F26B3A;
    --fin-soft:#FDEAE2;
    --fin-text:#C24E22;
    --gold:#F2C14E;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --sink:#EFEBE2;
    --text:#14201F;
    --text-2:#5A6B69;
    --text-3:#8A9694;
    --line:#E3DED3;
    --line-soft:#EDE8DD;
    --dark:#0E2A2A;
    --dark-text:#E8EFEC;
    --dark-2:#A9BDB9;
    --radius-card:14px;
    --radius-ctl:10px;
    --shadow-1:0 1px 2px rgba(14,32,31,.06);
    --shadow-2:0 14px 30px -18px rgba(14,32,31,.30);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    padding-bottom:76px;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--text);font-weight:600}
  h1{font-weight:700}
  p{margin:0}
  ul,ol{margin:0;padding:0}
  .container{
    width:100%;
    max-width:1200px;
    margin-left:auto;
    margin-right:auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .container{padding-left:32px;padding-right:32px;max-width:1200px}
  }
  @media (min-width:1024px){.container{max-width:1200px}}
  @media (min-width:1280px){.container{max-width:1200px}}
  @media (min-width:1536px){.container{max-width:1200px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(247,245,240,.94);
    backdrop-filter:saturate(180%) blur(12px);
    border-bottom:1px solid transparent;
    transition:border-color .22s ease-out, box-shadow .22s ease-out, background .22s ease-out;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 10px 24px -20px rgba(14,32,31,.55);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:66px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:38px;height:38px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:11px;
    background:#E3EEEC;
    color:var(--ink);
    border:1px solid rgba(14,74,75,.18);
  }
  .brand-mark svg{width:22px;height:22px}
  .brand-name{
    display:block;
    font-size:17px;
    font-weight:700;
    letter-spacing:.01em;
    color:var(--ink);
    line-height:1.3;
  }
  .brand-sub{
    display:block;
    font-size:11px;
    color:var(--text-3);
    letter-spacing:.06em;
    line-height:1.4;
  }
  .nav-desktop{display:none}
  .nav-link{
    position:relative;
    font-size:15px;
    color:var(--text-2);
    padding:6px 2px;
    transition:color .18s ease-out;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link.is-active{color:var(--ink);font-weight:600}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-4px;
    height:2px;
    background:var(--ink);
    border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:10px}
  .header-phone{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;
    border-radius:10px;
    border:1px solid var(--line);
    background:var(--card);
    color:var(--ink);
    transition:background .18s ease-out,border-color .18s ease-out;
  }
  .header-phone:hover{background:#E3EEEC;border-color:rgba(14,74,75,.3)}
  .header-actions .btn-primary{display:none}
  @media (min-width:768px){
    .nav-desktop{display:flex;align-items:center;gap:26px}
    .header-actions .btn-primary{display:inline-flex}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 22px;
    border-radius:var(--radius-ctl);
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn svg{width:18px;height:18px;transition:transform .2s ease-out}
  .btn:hover svg{transform:translateX(3px)}
  .btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
  .btn-primary{background:var(--ink);color:#fff}
  .btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:0 14px 30px -18px rgba(14,32,31,.55)}
  .btn-primary:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn-ghost:hover{background:rgba(14,74,75,.06);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
  .btn-gold{background:var(--gold);color:#3A2A05}
  .btn-gold:hover{background:#F7CE6B;transform:translateY(-1px);box-shadow:0 14px 30px -18px rgba(0,0,0,.5)}
  .btn-gold:active{transform:translateY(0)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--ink);
    transition:color .18s ease-out;
  }
  .link-arrow svg{width:15px;height:15px;transition:transform .2s ease-out}
  .link-arrow:hover{color:var(--ink-deep)}
  .link-arrow:hover svg{transform:translateX(3px)}
  .link-arrow:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 13px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.03em;
    background:var(--fin-soft);
    color:var(--fin-text);
    line-height:1.6;
  }
  .badge-ink{background:#E3EEEC;color:var(--ink)}
  .badge .dot{width:6px;height:6px;border-radius:999px;background:var(--gold);display:inline-block}

  /* ---------- 面包屑 ---------- */
  .crumbs{padding:18px 0 0}
  .crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
  .crumbs a{color:var(--text-2);transition:color .18s}
  .crumbs a:hover{color:var(--ink)}
  .crumbs .sep{color:#C9C2B4}
  .crumbs [aria-current]{color:var(--text);font-weight:600}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    padding:34px 0 60px;
    overflow:hidden;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:120px;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='60' viewBox='0 0 240 60'><path d='M0 34c30-22 60-22 90 0s60 22 90 0 60-22 60 0' fill='none' stroke='%230E4A4B' stroke-width='1.2'/></svg>");
    background-repeat:repeat-x;
    background-size:240px 60px;
    opacity:.06;
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  .hero-copy h1{
    font-size:30px;
    line-height:1.25;
    margin:16px 0 14px;
    letter-spacing:-.01em;
  }
  .hero-lead{
    font-size:16px;
    color:var(--text-2);
    max-width:34em;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .trust-strip{
    list-style:none;
    display:flex;
    flex-wrap:wrap;
    gap:6px 0;
    margin-top:26px;
    padding-top:20px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--text-3);
  }
  .trust-strip li{
    padding:0 14px;
    border-left:1px solid var(--line);
    line-height:1.5;
  }
  .trust-strip li:first-child{padding-left:0;border-left:0}
  .hero-figure{
    margin:0;
    border-radius:12px;
    overflow:hidden;
    box-shadow:var(--shadow-1);
    border:1px solid var(--line);
  }
  .hero-figure img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
  }
  @media (min-width:768px){
    .page-hero{padding:44px 0 76px}
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px}
    .hero-copy h1{font-size:38px;margin:18px 0 16px}
    .hero-lead{font-size:17px}
  }
  @media (min-width:1024px){
    .hero-copy h1{font-size:40px}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:52px 0}
  .section-alt{background:var(--sink)}
  .section-head{max-width:34em;margin-bottom:30px}
  .section-head h2{font-size:22px;margin-bottom:12px}
  .section-head p{color:var(--text-2);font-size:16px}
  .eyebrow{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--fin-text);
    margin-bottom:10px;
  }
  @media (min-width:768px){
    .section{padding:76px 0}
    .section-head h2{font-size:26px}
    .section-head{margin-bottom:38px}
  }
  @media (min-width:1024px){
    .section{padding:88px 0}
    .section-head h2{font-size:28px}
  }

  /* ---------- 清单式行列表 ---------- */
  .row-list{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  .row-item{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
    padding:22px 20px;
    border-bottom:1px solid var(--line-soft);
    transition:background .18s ease-out;
  }
  .row-item:last-child{border-bottom:0}
  .row-item:hover{background:var(--paper)}
  .row-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .row-index{
    font-size:13px;
    font-weight:700;
    letter-spacing:.1em;
    color:var(--fin);
    font-variant-numeric:tabular-nums;
    flex-shrink:0;
  }
  .row-title{font-size:17px;font-weight:600;line-height:1.4}
  .row-body{font-size:15px;color:var(--text-2);line-height:1.8}
  .row-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
  .tag{
    display:inline-flex;align-items:center;
    padding:3px 10px;border-radius:999px;
    font-size:12px;font-weight:600;
    background:#E3EEEC;color:var(--ink);
    line-height:1.7;
  }
  .tag-warm{background:var(--fin-soft);color:var(--fin-text)}
  @media (min-width:768px){
    .row-item{
      grid-template-columns:auto 1fr auto;
      align-items:start;
      gap:22px;
      padding:24px 26px;
    }
    .row-index{padding-top:3px;width:34px}
    .row-main{display:block}
    .row-side{
      display:flex;flex-direction:column;align-items:flex-end;gap:8px;
      min-width:130px;text-align:right;
    }
  }

  /* ---------- 对照清单（三列） ---------- */
  .compare-head{display:none}
  .compare-item{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    padding:22px 20px;
    border-bottom:1px solid var(--line-soft);
    transition:background .18s ease-out;
  }
  .compare-item:last-child{border-bottom:0}
  .compare-item:hover{background:var(--paper)}
  .cmp-label{
    font-size:12px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--text-3);
    display:block;
    margin-bottom:3px;
  }
  .cmp-text{font-size:15px;color:var(--text);line-height:1.7}
  .cmp-text-2{font-size:15px;color:var(--text-2);line-height:1.7}
  .cmp-up{font-size:14px;color:var(--fin-text);font-weight:600;line-height:1.7}
  @media (min-width:900px){
    .compare-head{
      display:grid;
      grid-template-columns:64px 1.1fr 1.5fr 1.2fr;
      gap:22px;
      padding:16px 26px;
      background:#F0EDE5;
      border-bottom:1px solid var(--line);
      font-size:12px;
      font-weight:700;
      letter-spacing:.08em;
      color:var(--text-2);
    }
    .compare-item{
      grid-template-columns:64px 1.1fr 1.5fr 1.2fr;
      gap:22px;
      align-items:start;
      padding:24px 26px;
    }
    .cmp-label{display:none}
  }

  /* ---------- 深色数据面板 ---------- */
  .panel-dark{
    background:var(--dark);
    color:var(--dark-text);
    border-radius:18px;
    padding:34px 22px;
    position:relative;
    overflow:hidden;
  }
  .panel-dark::before{
    content:"";
    position:absolute;
    top:-60px;right:-40px;
    width:220px;height:220px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(242,193,78,.16),transparent 68%);
    pointer-events:none;
  }
  .panel-head{position:relative;margin-bottom:28px;max-width:34em}
  .panel-head h2{color:#fff;font-size:22px;margin-bottom:10px}
  .panel-head p{color:var(--dark-2);font-size:15px}
  .stat-grid{
    position:relative;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:22px 0;
  }
  .stat-item{
    padding:0 16px;
    border-left:1px solid rgba(232,239,236,.16);
  }
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .stat-num{
    font-size:26px;
    font-weight:700;
    color:#fff;
    font-variant-numeric:tabular-nums;
    line-height:1.25;
    letter-spacing:-.01em;
  }
  .stat-num small{font-size:14px;font-weight:600;color:var(--gold);margin-left:2px}
  .stat-cap{font-size:13px;color:var(--dark-2);margin-top:6px;line-height:1.6}
  @media (min-width:768px){
    .panel-dark{padding:46px 40px}
    .panel-head h2{font-size:26px}
    .stat-grid{grid-template-columns:repeat(4,1fr)}
    .stat-item{padding:0 22px}
    .stat-item:nth-child(odd){border-left:1px solid rgba(232,239,236,.16);padding-left:22px}
    .stat-item:first-child{border-left:0;padding-left:0}
    .stat-num{font-size:36px}
  }
  @media (min-width:1024px){
    .panel-dark{padding:52px 48px}
    .stat-num{font-size:40px}
  }

  /* ---------- 图文分栏 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr;
    gap:30px;
    align-items:start;
  }
  .split-figure{
    margin:0;
    border-radius:12px;
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .check-list{list-style:none;display:grid;gap:14px;margin-top:22px}
  .check-list li{
    display:flex;
    gap:12px;
    font-size:15px;
    color:var(--text-2);
    line-height:1.75;
  }
  .check-list .ic{
    flex-shrink:0;
    width:22px;height:22px;
    margin-top:4px;
    border-radius:999px;
    background:#E3EEEC;
    color:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;
  }
  .check-list .ic svg{width:13px;height:13px}
  .check-list strong{color:var(--text);font-weight:600}
  @media (min-width:768px){
    .split{grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:820px}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .faq-item[open]{border-color:rgba(14,74,75,.28);box-shadow:var(--shadow-1)}
  .faq-item summary{
    display:flex;
    align-items:center;
    gap:12px;
    padding:16px 18px;
    cursor:pointer;
    list-style:none;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    transition:background .18s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{background:var(--paper)}
  .faq-item[open] summary{background:var(--paper)}
  .q-mark{
    flex-shrink:0;
    width:24px;height:24px;
    border-radius:999px;
    background:var(--fin-soft);
    color:var(--fin-text);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:700;
  }
  .q-text{flex:1;line-height:1.55}
  .plus{
    flex-shrink:0;
    width:18px;height:18px;
    color:var(--ink);
    transition:transform .2s ease-out;
  }
  .faq-item[open] .plus{transform:rotate(45deg)}
  .faq-body{
    padding:0 18px 18px;
    font-size:15px;
    color:var(--text-2);
    line-height:1.85;
  }
  @media (min-width:768px){
    .faq-item summary{padding:18px 22px}
    .faq-body{padding:0 22px 20px}
  }

  /* ---------- 分类互链 ---------- */
  .cross-links{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  .cross-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:18px 20px;
    border-bottom:1px solid var(--line-soft);
    transition:background .18s ease-out;
  }
  .cross-link:last-child{border-bottom:0}
  .cross-link:hover{background:var(--paper)}
  .cross-link .cl-title{font-size:16px;font-weight:600}
  .cross-link .cl-desc{font-size:13px;color:var(--text-3);margin-top:2px}
  .cross-link svg{width:16px;height:16px;color:var(--ink);flex-shrink:0;transition:transform .2s ease-out}
  .cross-link:hover svg{transform:translateX(3px)}
  @media (min-width:768px){
    .cross-links{grid-template-columns:repeat(3,1fr)}
    .cross-link{border-bottom:0;border-right:1px solid var(--line-soft);flex-direction:column;align-items:flex-start;gap:8px;padding:24px}
    .cross-link:last-child{border-right:0}
  }

  /* ---------- CTA ---------- */
  .cta-block{
    background:var(--ink);
    border-radius:18px;
    padding:38px 22px;
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  .cta-block::after{
    content:"";
    position:absolute;
    inset:auto -80px -120px auto;
    width:320px;height:320px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(242,193,78,.22),transparent 70%);
    pointer-events:none;
  }
  .cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
  .cta-kicker{
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--gold);margin-bottom:10px;
  }
  .cta-block h2{color:#fff;font-size:24px;line-height:1.3;margin-bottom:12px}
  .cta-block p{color:rgba(255,255,255,.82);font-size:15px;max-width:32em}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  @media (min-width:900px){
    .cta-block{padding:56px 48px}
    .cta-inner{grid-template-columns:1.5fr 1fr;gap:40px}
    .cta-block h2{font-size:32px}
    .cta-actions{justify-content:flex-end}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--dark);
    color:var(--dark-text);
    margin-top:60px;
    padding:52px 0 26px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
  .footer-brand .brand-name{color:#fff;font-size:18px;margin-bottom:12px}
  .footer-brand p{font-size:14px;color:var(--dark-2);line-height:1.85;max-width:30em}
  .footer-social{display:flex;gap:10px;margin-top:18px}
  .footer-social a{
    width:36px;height:36px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;
    border:1px solid rgba(232,239,236,.2);
    color:var(--dark-2);
    transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
  }
  .footer-social a:hover{color:var(--gold);border-color:rgba(242,193,78,.5);background:rgba(242,193,78,.08)}
  .footer-social svg{width:17px;height:17px}
  .footer-col h3{
    font-size:14px;font-weight:700;color:#fff;
    letter-spacing:.06em;margin-bottom:14px;
  }
  .footer-col ul{list-style:none;display:grid;gap:10px}
  .footer-col a{font-size:14px;color:var(--dark-2);transition:color .18s ease-out}
  .footer-col a:hover{color:var(--gold)}
  .footer-contact li{display:flex;gap:9px;font-size:14px;color:var(--dark-2);line-height:1.7}
  .footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--dark-2)}
  .footer-bottom{
    margin-top:38px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.1);
    display:flex;
    flex-wrap:wrap;
    gap:8px 20px;
    justify-content:space-between;
    font-size:13px;
    color:var(--dark-2);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
    .site-footer{padding:64px 0 28px;margin-top:76px}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.25fr}
  }

  /* ---------- 移动底部 Tab ---------- */
  .tabbar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:90;
    display:flex;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px -20px rgba(14,32,31,.5);
  }
  .tab-item{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    padding:9px 2px 8px;
    font-size:12px;
    line-height:1.3;
    color:var(--text-3);
    transition:color .18s ease-out;
  }
  .tab-item svg{width:21px;height:21px}
  .tab-item:hover{color:var(--ink)}
  .tab-item.is-active{color:var(--ink);font-weight:600}
  .tab-item:focus-visible{outline:2px solid var(--gold);outline-offset:-3px;border-radius:8px}
  @media (min-width:768px){
    .tabbar{display:none}
    body{padding-bottom:0}
  }