/* roulang page: index */
:root{
    --bg:#F7F4EE;
    --surface:#FFFFFF;
    --surface-2:#EFEAE0;
    --ink:#171A1F;
    --muted:#6B6258;
    --primary:#0E7C7B;
    --primary-dark:#0A5E5D;
    --accent:#E86A33;
    --accent-soft:#FDE4D6;
    --line:#DDD6C9;
    --ring:rgba(14,124,123,.28);
    --radius:18px;
    --shadow:0 10px 30px rgba(23,26,31,.06);
    --shadow-hover:0 16px 38px rgba(23,26,31,.10);
    --shell:260px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--primary);text-decoration:none;}
  a:hover{color:var(--primary-dark);}
  button{font-family:inherit;}
  h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;}
  h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.15;letter-spacing:-.01em;}
  h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;}
  h3{font-size:1.25rem;line-height:1.4;}
  p{margin:0;}
  ::selection{background:rgba(14,124,123,.18);}
  :focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:8px;}

  /* ============ App Shell ============ */
  .shell{
    position:fixed;top:0;left:0;bottom:0;width:var(--shell);
    background:var(--surface);
    border-right:1px solid var(--line);
    display:none;
    flex-direction:column;
    padding:26px 20px 22px;
    z-index:60;
  }
  .shell-brand{display:flex;align-items:flex-start;gap:10px;padding-bottom:22px;border-bottom:1px solid var(--line);}
  .shell-mark{
    width:40px;height:40px;flex:0 0 40px;border-radius:12px;
    background:linear-gradient(140deg,var(--primary),var(--primary-dark));
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:15px;letter-spacing:.02em;
  }
  .shell-name{font-size:1.0625rem;font-weight:700;line-height:1.35;color:var(--ink);}
  .shell-sub{font-size:.75rem;color:var(--muted);letter-spacing:.04em;}
  .shell-nav{margin-top:20px;display:flex;flex-direction:column;gap:4px;}
  .shell-nav-label{font-size:.75rem;color:var(--muted);letter-spacing:.14em;margin:6px 0 8px 12px;}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:10px;
    padding:11px 14px;border-radius:12px;color:var(--muted);
    font-size:.9375rem;transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .nav-item:hover{background:var(--surface-2);color:var(--ink);}
  .nav-item .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.45;}
  .nav-item.is-active{
    background:rgba(14,124,123,.09);color:var(--primary-dark);font-weight:700;
  }
  .nav-item.is-active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:0 3px 3px 0;background:var(--primary);
  }
  .shell-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
  .shell-note{font-size:.8125rem;color:var(--muted);line-height:1.7;margin-bottom:12px;}

  .app-main{padding-bottom:0;}

  /* ============ 顶部栏（移动/平板） ============ */
  .topbar{
    position:sticky;top:0;z-index:50;height:64px;
    background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:12px;padding:0 16px;
  }
  .topbar .brand-mini{display:flex;align-items:center;gap:9px;min-width:0;}
  .brand-mini .mark{
    width:32px;height:32px;flex:0 0 32px;border-radius:10px;
    background:linear-gradient(140deg,var(--primary),var(--primary-dark));
    color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }
  .brand-mini .txt{font-size:.9375rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .hamb{
    margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
    background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;
    transition:border-color .2s ease,background .2s ease;
  }
  .hamb:hover{border-color:rgba(14,124,123,.45);background:var(--surface-2);}
  .hamb span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .hamb span::before,.hamb span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .hamb span::before{top:-6px;}
  .hamb span::after{top:6px;}

  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--surface);
    z-index:80;transform:translateX(-100%);transition:transform .28s ease;
    padding:24px 20px;display:flex;flex-direction:column;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .mask{
    position:fixed;inset:0;background:rgba(23,26,31,.35);z-index:70;opacity:0;pointer-events:none;
    transition:opacity .28s ease;
  }
  .mask.open{opacity:1;pointer-events:auto;}
  .drawer-close{
    position:absolute;top:18px;right:16px;width:36px;height:36px;border-radius:10px;
    border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--muted);font-size:18px;line-height:1;
  }
  .drawer-close:hover{border-color:rgba(14,124,123,.45);color:var(--primary);}

  /* ============ 容器与板块 ============ */
  .container{max-width:1200px;margin:0 auto;padding:0 20px;}
  .section{padding:56px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
    color:var(--primary-dark);background:rgba(14,124,123,.10);
    padding:6px 14px;border-radius:999px;letter-spacing:.02em;
  }
  .section-head{max-width:760px;}
  .section-head h2{margin-top:16px;}
  .section-head p{margin-top:14px;color:var(--muted);font-size:1.0625rem;}
  .divider{height:1px;background:var(--line);border:0;margin:0;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:.9375rem;font-weight:600;
    border:1px solid transparent;cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,123,.18);}
  .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,124,123,.24);}
  .btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:rgba(14,124,123,.5);color:var(--primary-dark);transform:translateY(-2px);}
  .btn-sm{padding:10px 18px;font-size:.875rem;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9375rem;}
  .link-arrow:hover{text-decoration:underline;}

  /* ============ 卡片 ============ */
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow-hover);}
  .card-pad{padding:26px;}
  .card-title{font-size:1.0625rem;font-weight:700;}
  .card-text{color:var(--muted);font-size:.9375rem;margin-top:8px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;
    padding:4px 11px;border-radius:999px;background:var(--surface-2);color:var(--muted);
  }
  .badge-brand{background:rgba(14,124,123,.12);color:var(--primary-dark);}
  .badge-amber{background:var(--accent-soft);color:#A8410F;}

  /* ============ Hero ============ */
  .hero{
    position:relative;overflow:hidden;
    background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center right;
    opacity:.14;
  }
  .hero-arc{
    position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(14,124,123,.20),rgba(14,124,123,0) 68%);
    pointer-events:none;
  }
  .hero-grid{position:relative;z-index:2;padding:52px 0 60px;}
  .hero h1{margin-top:20px;}
  .hero h1 em{font-style:normal;color:var(--primary-dark);}
  .hero-lead{margin-top:20px;font-size:1.0625rem;color:var(--muted);max-width:34em;}
  .hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
  .hero-meta{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px;}
  .hero-panel{
    position:relative;background:var(--surface);border:1px solid var(--line);border-radius:22px;
    box-shadow:0 22px 54px rgba(23,26,31,.10);padding:22px;
  }
  .hero-panel-top{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px solid var(--line);}
  .hero-panel-top i{width:9px;height:9px;border-radius:50%;display:block;background:var(--line);}
  .hero-panel-top i:first-child{background:var(--accent);}
  .hero-panel-top i:nth-child(2){background:#E9C46A;}
  .hero-panel-top i:nth-child(3){background:var(--primary);}
  .hero-panel-title{margin-left:8px;font-size:.8125rem;color:var(--muted);}
  .hero-field{
    margin-top:16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;
    padding:12px 14px;font-size:.875rem;color:var(--muted);display:flex;justify-content:space-between;gap:10px;
  }
  .hero-field b{color:var(--ink);font-weight:600;}
  .hero-stat{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
  .hero-stat div{
    flex:1 1 96px;background:var(--surface-2);border-radius:12px;padding:12px 14px;
  }
  .hero-stat span{display:block;font-size:.75rem;color:var(--muted);}
  .hero-stat strong{font-size:1.125rem;color:var(--primary-dark);}

  /* ============ 价值主张 ============ */
  .value-grid{display:grid;gap:18px;}
  .value-lead{
    background:linear-gradient(150deg,#0E7C7B,#0A5E5D);color:#fff;border-radius:var(--radius);
    padding:32px;box-shadow:0 18px 40px rgba(10,94,93,.22);
  }
  .value-lead h3{color:#fff;font-size:1.375rem;}
  .value-lead p{color:rgba(255,255,255,.86);margin-top:12px;font-size:.9375rem;}
  .value-lead .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
  .value-lead .tags span{
    font-size:.75rem;padding:5px 12px;border-radius:999px;
    background:rgba(255,255,255,.16);color:#fff;
  }
  .value-item{display:flex;gap:14px;align-items:flex-start;}
  .value-ico{
    width:42px;height:42px;flex:0 0 42px;border-radius:12px;
    background:var(--accent-soft);color:#A8410F;display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:.9375rem;
  }
  .value-item h3{font-size:1.0625rem;}
  .value-item p{color:var(--muted);font-size:.9375rem;margin-top:6px;}

  /* ============ Bento ============ */
  .bento{display:grid;gap:18px;}
  .bento-big{
    position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);
    background:var(--surface);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
  }
  .bento-big:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .bento-big img{height:100%;width:100%;object-fit:cover;max-height:260px;}
  .bento-thumb img{width:100%;height:150px;object-fit:cover;}
  .step-num{
    width:34px;height:34px;flex:0 0 34px;border-radius:50%;
    background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:.875rem;font-weight:700;
  }
  .timeline{position:relative;padding-left:22px;}
  .timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line);}
  .tl-item{position:relative;padding:0 0 30px 18px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-22px;top:10px;width:11px;height:11px;border-radius:50%;
    background:var(--surface);border:2px solid var(--primary);
  }
  .tl-item h3{font-size:1.0625rem;}
  .tl-item p{color:var(--muted);font-size:.9375rem;margin-top:6px;}
  .tl-result{display:inline-block;margin-top:10px;font-size:.875rem;color:var(--primary-dark);background:rgba(14,124,123,.10);padding:4px 12px;border-radius:999px;}

  /* ============ 案例 ============ */
  .quote-block{
    background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);
    border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
  }
  .quote-block blockquote{margin:0;font-size:1.125rem;line-height:1.85;color:var(--ink);}
  .quote-by{margin-top:18px;font-size:.875rem;color:var(--muted);}
  .metric{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;text-align:left;box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease;
  }
  .metric:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);}
  .metric strong{display:block;font-size:1.875rem;color:var(--primary-dark);line-height:1.2;}
  .metric span{display:block;margin-top:8px;font-size:.875rem;color:var(--muted);}

  /* ============ 价格 ============ */
  .price-grid{display:grid;gap:18px;}
  .price-card{
    position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px;box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
    display:flex;flex-direction:column;
  }
  .price-card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);}
  .price-card.is-featured{
    border-color:var(--primary);box-shadow:0 20px 44px rgba(14,124,123,.16);
  }
  .price-card ul{list-style:none;margin:18px 0 0;padding:0;}
  .price-card li{
    display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--muted);
    padding:9px 0;border-top:1px dashed var(--line);
  }
  .price-card li:first-child{border-top:0;}
  .price-card li::before{content:"✓";color:var(--primary);font-weight:700;}
  .price-amount{font-size:1.75rem;font-weight:700;color:var(--ink);line-height:1.2;}
  .price-amount small{font-size:.8125rem;color:var(--muted);font-weight:400;}

  /* ============ 资讯列表 ============ */
  .news-feature{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    display:block;height:100%;
  }
  .news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,124,123,.35);}
  .news-feature img{width:100%;height:210px;object-fit:cover;}
  .news-row{
    display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;
    padding:16px 18px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .news-row:hover{transform:translateY(-2px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow);}
  .news-row h3{font-size:.9375rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-row:hover h3{color:var(--primary-dark);}
  .news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.75rem;color:var(--muted);margin-top:8px;}
  .empty-state{
    background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
    padding:44px 26px;text-align:center;
  }
  .empty-state .ico{
    width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--surface-2);
    display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:1.125rem;
  }

  /* ============ FAQ ============ */
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;background:none;border:0;padding:20px 4px;display:flex;align-items:center;gap:16px;
    text-align:left;cursor:pointer;transition:background .2s ease;
  }
  .faq-q:hover{background:rgba(239,234,224,.55);}
  .faq-q h3{font-size:1.0625rem;flex:1;}
  .faq-sign{
    width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--surface-2);
    color:var(--primary-dark);display:flex;align-items:center;justify-content:center;
    font-size:1rem;line-height:1;transition:transform .25s ease,background .2s ease;
  }
  .faq-q[aria-expanded="true"] .faq-sign{transform:rotate(45deg);background:rgba(14,124,123,.15);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 4px 22px;color:var(--muted);font-size:.9375rem;max-width:62em;}

  /* ============ CTA ============ */
  .cta-band{
    background:linear-gradient(150deg,#EFEAE0,#F7F4EE);
    border:1px solid var(--line);border-radius:24px;padding:44px 32px;
    display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  }
  .cta-band h2{max-width:22em;}
  .cta-band p{color:var(--muted);margin-top:12px;font-size:.9375rem;max-width:40em;}

  /* ============ 表单 ============ */
  .form-grid{display:grid;gap:16px;}
  .field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:7px;}
  .field input,.field select,.field textarea{
    width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;
    padding:12px 14px;font-size:.9375rem;color:var(--ink);font-family:inherit;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--ring);
  }
  .field .hint{font-size:.8125rem;color:var(--muted);margin-top:6px;}
  .form-ok{color:var(--primary-dark);font-size:.875rem;margin-top:10px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:8px;}
  .footer-grid{display:grid;gap:34px;}
  .footer-title{font-size:.875rem;font-weight:700;letter-spacing:.04em;}
  .footer-links{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px;}
  .footer-links a{color:var(--muted);font-size:.9375rem;}
  .footer-links a:hover{color:var(--primary);text-decoration:underline;}
  .footer-desc{color:var(--muted);font-size:.9375rem;margin-top:14px;max-width:34em;}
  .footer-bottom{
    border-top:1px solid var(--line);margin-top:36px;padding:20px 0 30px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.8125rem;color:var(--muted);
  }

  /* ============ 响应式 ============ */
  @media (min-width:640px){
    .value-grid{grid-template-columns:repeat(2,1fr);}
    .form-grid{grid-template-columns:1fr 1fr;}
  }
  @media (min-width:768px){
    .section{padding:72px 0;}
    .hero-grid{padding:68px 0 76px;}
    .price-grid{grid-template-columns:repeat(3,1fr);align-items:start;}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;}
    .bento{grid-template-columns:repeat(2,1fr);}
  }
  @media (min-width:1024px){
    .shell{display:flex;}
    .app-main{margin-left:var(--shell);}
    .topbar{display:none;}
    .container{padding:0 40px;}
    .section{padding:96px 0;}
    .hero-grid{padding:80px 0 92px;}
    .value-grid{grid-template-columns:1.15fr 1fr 1fr;}
    .bento{grid-template-columns:repeat(3,1fr);}
    .bento-big{grid-column:span 2;}
  }
  @media (min-width:1280px){
    .container{padding:0 48px;}
  }

/* roulang page: article */
:root{
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#171A1F;
  --ink-2:#6B6258;
  --primary:#0E7C7B;
  --primary-dark:#0A5E5D;
  --accent:#E86A33;
  --accent-soft:#FDE4D6;
  --line:#DDD6C9;
  --focus:rgba(14,124,123,.28);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(23,26,31,.06);
  --shadow-hover:0 18px 42px rgba(23,26,31,.11);
  --sidebar-w:260px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(14,124,123,.18);}
:focus-visible{outline:none;box-shadow:0 0 0 4px var(--focus);border-radius:8px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 移动端顶栏 ---------- */
.mobile-topbar{
  display:none;align-items:center;gap:12px;
  position:sticky;top:0;z-index:60;
  height:64px;padding:0 16px;
  background:var(--surface);border-bottom:1px solid var(--line);
}
.hamburger{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  font-size:1rem;cursor:pointer;transition:all .2s ease;
}
.hamburger:hover{background:var(--surface-2);border-color:var(--primary);color:var(--primary-dark);}
.topbar-brand{display:flex;align-items:center;gap:8px;min-width:0;}
.topbar-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.8125rem;font-weight:700;flex:0 0 auto;
}
.topbar-name{
  font-size:.9375rem;font-weight:700;line-height:1.2;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-cta{
  margin-left:auto;flex:0 0 auto;
  background:var(--primary);color:#fff;border-radius:999px;
  padding:8px 16px;font-size:.8125rem;font-weight:600;
}
.topbar-cta:hover{background:var(--primary-dark);color:#fff;}

/* ---------- 侧边导航 ---------- */
.shell-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:50;
  background:var(--surface);border-right:1px solid var(--line);
  padding:24px 18px 28px;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
.shell-brand{display:flex;align-items:flex-start;gap:10px;padding:0 6px;}
.shell-mark{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:.875rem;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(14,124,123,.24);
}
.shell-name{font-size:1rem;font-weight:700;line-height:1.25;color:var(--ink);}
.shell-sub{font-size:.75rem;color:var(--ink-2);letter-spacing:.4px;margin-top:2px;}

.drawer-close{
  display:none;position:absolute;top:18px;right:18px;
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface-2);
  color:var(--ink-2);align-items:center;justify-content:center;
  font-size:1rem;cursor:pointer;
}
.drawer-close:hover{color:var(--ink);background:#fff;}

.shell-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.shell-nav-label{
  font-size:.6875rem;letter-spacing:.16em;color:var(--ink-2);
  text-transform:uppercase;padding:0 8px 8px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;
  font-size:.9375rem;color:var(--ink-2);font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:var(--surface-2);color:var(--ink);}
.nav-item .dot{
  width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 auto;
  transition:background .2s ease;
}
.nav-item.is-active{background:rgba(14,124,123,.08);color:var(--primary-dark);font-weight:700;}
.nav-item.is-active .dot{background:var(--primary);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--primary);
}

.shell-cta{
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;
}
.shell-cta-title{font-size:.9375rem;font-weight:700;margin-bottom:4px;}
.shell-cta-text{font-size:.8125rem;color:var(--ink-2);line-height:1.7;margin-bottom:12px;}

/* ---------- 主区域 ---------- */
.page-shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.page-shell main{flex:1;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;font-size:.9375rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:all .22s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(14,124,123,.2);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(14,124,123,.26);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:.875rem;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);
  font-size:.8125rem;line-height:1.4;font-weight:500;
}
.badge-primary{background:rgba(14,124,123,.11);color:var(--primary-dark);font-weight:600;}
.badge-accent{background:var(--accent-soft);color:#A8451B;font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--ink-2);padding:28px 0 0;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--primary);}
.crumb i{font-size:.625rem;color:var(--line);}
.crumb-current{
  color:var(--ink);font-weight:600;max-width:340px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 34px;}
.article-head-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:36px;align-items:center;
}
.article-head-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;}
.article-title{
  font-size:clamp(1.9rem,4vw,2.7rem);
  line-height:1.18;letter-spacing:-.01em;font-weight:700;
  margin-bottom:16px;
}
.article-lead{
  font-size:1.0625rem;line-height:1.85;color:var(--ink-2);
}
.lead-box{
  background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--primary);
  border-radius:8px 14px 14px 8px;
  padding:16px 20px;box-shadow:var(--shadow);
}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;align-items:start;padding-bottom:24px;
}
.article-main{max-width:860px;min-width:0;}
.article-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:38px 42px;
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:1.0625rem;line-height:1.9;color:var(--ink);}
.article-body p{margin:0 0 22px;}
.article-body h2{
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  line-height:1.35;margin:52px 0 18px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:1.25rem;line-height:1.45;margin:34px 0 12px;}
.article-body h4{font-size:1.0625rem;line-height:1.5;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.5em;}
.article-body ul li{list-style:disc;margin-bottom:10px;}
.article-body ol li{list-style:decimal;margin-bottom:10px;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;
  background:rgba(14,124,123,.06);
  border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:var(--ink-2);font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:26px auto;box-shadow:var(--shadow);}
.article-body figure{margin:28px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{
  text-align:center;font-size:.875rem;color:var(--ink-2);margin-top:12px;
}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(14,124,123,.35);}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:.9375rem;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;
}
.article-body th{background:var(--surface-2);font-weight:600;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:var(--surface-2);border-radius:6px;padding:2px 6px;
  font-size:.9em;
}

/* 空态 */
.empty-note{
  text-align:center;padding:64px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-note i{font-size:2rem;color:var(--line);}
.empty-note h3{margin:16px 0 8px;font-size:1.25rem;}
.empty-note p{color:var(--ink-2);margin-bottom:20px;}

/* 标签 */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}

/* ---------- 侧栏 ---------- */
.aside-col{
  position:sticky;top:24px;
  display:flex;flex-direction:column;gap:20px;min-width:0;
}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;
}
.side-title{
  font-size:.9375rem;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-title i{color:var(--primary);font-size:.875rem;}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;align-items:center;gap:8px;
  padding:11px 0;font-size:.9375rem;color:var(--ink-2);
}
.side-list a:hover{color:var(--primary);}
.side-list a i{font-size:.75rem;color:var(--line);transition:transform .2s ease;}
.side-list a:hover i{color:var(--primary);transform:translateX(3px);}
.side-cta{
  background:linear-gradient(160deg,rgba(14,124,123,.10),rgba(232,106,51,.08));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
}
.side-cta h3{font-size:1rem;margin-bottom:8px;}
.side-cta p{font-size:.875rem;color:var(--ink-2);line-height:1.75;margin-bottom:14px;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.3;}
.section-head p{color:var(--ink-2);font-size:.9375rem;margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,124,123,.4);}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:1.0625rem;line-height:1.45;}
.post-card:hover h3{color:var(--primary);}
.post-card p{font-size:.9rem;color:var(--ink-2);line-height:1.75;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--ink-2);margin-top:auto;}
.post-meta .badge{padding:3px 10px;font-size:.75rem;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:56px 0 0;border-radius:24px;border:1px solid var(--line);
  background-color:var(--surface);background-size:cover;background-position:center;
  padding:44px 40px;box-shadow:var(--shadow);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:var(--ink-2);font-size:.9375rem;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-title{font-size:.9375rem;font-weight:700;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.9rem;color:var(--ink-2);}
.footer-links a:hover{color:var(--primary);}
.footer-desc{font-size:.9rem;color:var(--ink-2);line-height:1.8;margin-top:14px;max-width:330px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0 28px;
  font-size:.8125rem;color:var(--ink-2);
}

.drawer-mask{
  position:fixed;inset:0;background:rgba(23,26,31,.35);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:65;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .shell-sidebar{
    transform:translateX(-100%);transition:transform .3s ease;z-index:70;
    box-shadow:0 20px 50px rgba(23,26,31,.22);
  }
  .shell-sidebar.is-open{transform:translateX(0);}
  .drawer-close{display:inline-flex;}
  .mobile-topbar{display:flex;}
  .page-shell{margin-left:0;}
  .article-head-grid{grid-template-columns:1fr;gap:24px;}
  .article-head-img{aspect-ratio:16/9;}
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .aside-col{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-card{padding:26px 20px;}
  .article-title{font-size:clamp(1.6rem,6.4vw,2.1rem);}
  .crumb-current{max-width:180px;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .related{padding:48px 0 8px;}
}
@media (max-width:640px){
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions .btn{width:100%;}
  .article-body{font-size:1rem;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#171A1F;
  --muted:#6B6258;
  --primary:#0E7C7B;
  --primary-d:#0A5E5D;
  --accent:#E86A33;
  --accent-l:#FDE4D6;
  --line:#DDD6C9;
  --ring:rgba(14,124,123,.28);
  --radius:18px;
  --shadow:0 10px 30px rgba(23,26,31,.06);
  --shadow-lg:0 18px 44px rgba(23,26,31,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sidebar-w:260px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-d)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
::selection{background:rgba(14,124,123,.18)}

/* ============ 容器与排版 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}
.h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.15;font-weight:700;letter-spacing:-.01em}
.h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;font-weight:700}
.h3{font-size:1.25rem;line-height:1.4;font-weight:700}
.lead{font-size:1.0625rem;line-height:1.9;color:var(--muted)}
.eyebrow{
  display:inline-block;font-size:.8125rem;letter-spacing:.18em;color:var(--primary-d);
  background:rgba(14,124,123,.10);padding:5px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.section{padding:64px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-desc{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.9}

/* ============ App Shell 侧栏 ============ */
.app-shell{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface);border-right:1px solid var(--line);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:22px;z-index:45;
}
.shell-logo{display:flex;align-items:flex-start;gap:11px}
.shell-mark{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;letter-spacing:.04em;
  box-shadow:0 8px 18px rgba(14,124,123,.28);
}
.shell-mark-sm{width:36px;height:36px;border-radius:11px;font-size:12px}
.shell-name{display:block;font-weight:700;font-size:15px;line-height:1.4;color:var(--ink)}
.shell-sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:2px}
.shell-nav{display:flex;flex-direction:column;gap:4px}
.shell-nav-label{font-size:11.5px;color:var(--muted);letter-spacing:.2em;padding:0 12px 8px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:12px;
  color:var(--ink);font-size:14.5px;position:relative;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 auto;transition:background .18s ease}
.nav-item:hover{background:var(--surface-2);color:var(--ink)}
.nav-item.is-active{background:rgba(14,124,123,.10);color:var(--primary-d);font-weight:700}
.nav-item.is-active .dot{background:var(--primary)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--primary);
}
.shell-cta{margin-top:auto;background:var(--surface-2);border-radius:16px;padding:16px;border:1px solid var(--line)}
.shell-cta-title{font-size:14px;font-weight:700;margin-bottom:6px}
.shell-cta-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}

/* ============ 主区域 ============ */
.main-area{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:55;height:64px;align-items:center;
  justify-content:space-between;gap:12px;padding:0 16px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.mobile-logo{display:flex;align-items:center;gap:9px;color:var(--ink)}
.mobile-logo-text{font-size:13.5px;font-weight:700;line-height:1.2;max-width:132px}
.mobile-bar-right{display:flex;align-items:center;gap:10px}
.mobile-current{font-size:12.5px;color:var(--muted);white-space:nowrap}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.hamburger:hover{border-color:var(--primary);background:var(--surface-2)}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,26,31,.35);opacity:0;pointer-events:none;
  transition:opacity .25s ease;z-index:60;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;background:#fff;z-index:70;
  transform:translateX(-102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:18px;overflow-y:auto;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:13px;letter-spacing:.2em;color:var(--muted)}
.drawer-close{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;cursor:pointer;color:var(--muted);
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary-d)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(14,124,123,.22)}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,123,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-d);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(232,106,51,.24)}
.btn-accent:hover{background:#cf5827;color:#fff;transform:translateY(-2px)}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  color:var(--muted);background:var(--surface-2);border-radius:999px;padding:5px 12px;line-height:1.5;
}
.badge-primary{background:rgba(14,124,123,.12);color:var(--primary-d)}
.badge-accent{background:var(--accent-l);color:#B2431A}

/* ============ Hero ============ */
.hero{position:relative;padding:40px 0 8px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(14,124,123,.13),rgba(14,124,123,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative}
.hero-title{margin:16px 0 18px}
.hero-lead{font-size:clamp(1.0625rem,2vw,1.25rem);line-height:1.8;color:var(--ink);font-weight:500;max-width:600px}
.hero-text{margin-top:16px;color:var(--muted);font-size:1rem;line-height:1.9;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.meta-item{font-size:13.5px;color:var(--muted)}
.meta-item b{display:block;font-size:1.6rem;line-height:1.2;color:var(--primary-d);font-weight:700}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;border-radius:22px;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);object-fit:cover;aspect-ratio:4/3;
}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center}

/* ============ 锚点条 ============ */
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:44px;padding:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);
  width:fit-content;max-width:100%;
}
.anchor-bar a{
  font-size:14px;color:var(--muted);padding:8px 16px;border-radius:999px;
  transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.anchor-bar a:hover{background:var(--surface-2);color:var(--primary-d)}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:0 16px 36px rgba(23,26,31,.10)}
.card-pad{padding:26px}

/* ============ 入口说明三栏 ============ */
.info-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;margin-top:8px}
.info-card h3{margin-bottom:10px}
.info-card p{color:var(--muted);font-size:15px;line-height:1.85}
.info-card .num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:rgba(14,124,123,.10);color:var(--primary-d);font-weight:700;font-size:15px;margin-bottom:16px;
}
.info-card.is-feature{background:linear-gradient(160deg,#FFFFFF 0%,#F4FAFA 100%)}

/* ============ 访问准备清单 ============ */
.prepare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.prepare-item{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:border-color .2s ease,transform .2s ease;
}
.prepare-item:hover{border-color:rgba(14,124,123,.35);transform:translateY(-2px)}
.check{
  width:24px;height:24px;border-radius:50%;background:rgba(14,124,123,.12);color:var(--primary-d);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:0 0 auto;margin-top:2px;
}
.prepare-item h3{font-size:1rem;margin-bottom:4px}
.prepare-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ 步骤时间线 ============ */
.step-list{margin-top:10px}
.step{display:flex;gap:20px;position:relative;padding-bottom:30px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:6px;width:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-num{
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--primary-d);font-weight:700;display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;position:relative;z-index:1;font-size:15px;
}
.step:hover .step-num{border-color:var(--primary);background:rgba(14,124,123,.08)}
.step-body{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 24px;flex:1;transition:border-color .2s ease,box-shadow .2s ease}
.step-body:hover{border-color:rgba(14,124,123,.35);box-shadow:var(--shadow)}
.step-body h3{margin-bottom:8px}
.step-body p{color:var(--muted);font-size:15px;line-height:1.85}
.step-note{margin-top:10px;font-size:13.5px;color:var(--primary-d);background:rgba(14,124,123,.08);border-radius:10px;padding:8px 12px;display:inline-block}

/* ============ 设备兼容 ============ */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.device-card{padding:26px;display:flex;flex-direction:column;gap:12px}
.device-card .device-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.device-card h3{font-size:1.125rem}
.device-card p{color:var(--muted);font-size:15px;line-height:1.85}
.device-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}

/* ============ 安全提示面板 ============ */
.safety-panel{background:var(--accent-l);border:1px solid rgba(232,106,51,.25);border-radius:24px;padding:40px}
.safety-head{max-width:640px;margin-bottom:26px}
.safety-head .h2{margin-top:12px}
.safety-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.safety-item{background:rgba(255,255,255,.72);border-radius:14px;padding:18px 20px}
.safety-item h3{font-size:1rem;margin-bottom:6px;color:#8E3A16}
.safety-item p{font-size:14.5px;color:#6B4A38;line-height:1.8}

/* ============ FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px 26px;margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:flex-start;gap:16px;padding:22px 4px;cursor:pointer;
  transition:background .18s ease;border-radius:10px;
}
.faq-item summary:hover{background:var(--surface-2)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{flex:1;font-size:16.5px;font-weight:600;line-height:1.6;color:var(--ink);margin:0}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1.1;color:var(--primary);font-weight:400;
  transition:transform .22s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 4px 24px;color:var(--muted);font-size:15.5px;line-height:1.9;max-width:920px}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(140deg,#FFFFFF 0%,#EDF6F5 100%);
  border:1px solid var(--line);border-radius:26px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-copy{max-width:620px}
.cta-copy h2{margin-bottom:12px}
.cta-copy p{color:var(--muted);font-size:15.5px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:10px}
.related-card{display:flex;flex-direction:column;overflow:hidden;color:var(--ink)}
.related-card:hover{color:var(--ink)}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.related-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-title{font-size:1.0625rem;font-weight:700;line-height:1.5}
.related-card:hover .related-title{color:var(--primary-d)}
.related-text{font-size:14.5px;color:var(--muted);line-height:1.8}
.link-arrow{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.related-card:hover .link-arrow{gap:10px}
.back-home{margin-top:34px;display:flex;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.footer-title{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14.5px}
.footer-links a:hover{color:var(--primary)}
.footer-desc{font-size:14.5px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:330px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:42px;padding:22px 0 26px;
  font-size:13.5px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:38px}
  .info-grid{grid-template-columns:1fr 1fr}
  .info-card.is-feature{grid-column:1 / -1}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .main-area{margin-left:0}
  .mobile-bar{display:flex}
  .hero{padding-top:28px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{aspect-ratio:16/9}
  .section{padding:56px 0}
  .anchor-bar{border-radius:18px;width:100%;overflow-x:auto;flex-wrap:nowrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-meta{gap:18px}
  .meta-item b{font-size:1.35rem}
  .info-grid{grid-template-columns:1fr}
  .prepare-wrap{grid-template-columns:1fr}
  .device-grid{grid-template-columns:1fr}
  .safety-panel{padding:26px}
  .safety-list{grid-template-columns:1fr}
  .cta-band{padding:30px}
  .related-grid{grid-template-columns:1fr}
  .faq-list{padding:4px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .mobile-current{display:none}
}

/* roulang page: category2 */
:root{
    --bg:#F7F4EE;
    --surface:#FFFFFF;
    --surface-2:#EFEAE0;
    --ink:#171A1F;
    --ink-2:#6B6258;
    --primary:#0E7C7B;
    --primary-d:#0A5E5D;
    --primary-soft:#E7F3F2;
    --accent:#E86A33;
    --accent-soft:#FDE4D6;
    --line:#DDD6C9;
    --ring:rgba(14,124,123,.28);
    --radius:18px;
    --shadow:0 10px 30px rgba(23,26,31,.06);
    --shadow-lg:0 18px 44px rgba(23,26,31,.10);
    --shell-w:260px;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    font-size:1rem;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:10px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}

  /* ============ 左侧 App Shell ============ */
  .shell{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--shell-w);
    background:var(--surface);
    border-right:1px solid var(--line);
    display:flex;flex-direction:column;
    padding:22px 16px 18px;
    z-index:60;
    overflow-y:auto;
  }
  .shell-brand{display:flex;gap:10px;align-items:flex-start;padding:4px 6px 20px}
  .shell-mark{
    flex:0 0 auto;width:44px;height:44px;border-radius:13px;
    background:linear-gradient(145deg,#0E7C7B,#0A5E5D);
    color:#fff;display:grid;place-items:center;
    font-size:.9375rem;font-weight:700;letter-spacing:.5px;
  }
  .shell-name{font-size:1rem;font-weight:700;line-height:1.32;color:var(--ink)}
  .shell-sub{font-size:.75rem;color:var(--ink-2);margin-top:5px;letter-spacing:.02em}
  .shell-nav{display:flex;flex-direction:column;gap:4px}
  .shell-nav-label{font-size:.75rem;color:var(--ink-2);letter-spacing:.14em;padding:0 10px 8px}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:10px;
    padding:10px 12px;border-radius:12px;
    font-size:.9375rem;color:#3C362F;transition:background .18s,color .18s;
  }
  .nav-item .dot{width:6px;height:6px;border-radius:50%;background:#C9C1B4;flex:0 0 auto;transition:background .18s}
  .nav-item:hover{background:var(--surface-2);color:var(--ink)}
  .nav-item.is-active{background:var(--primary-soft);color:var(--primary-d);font-weight:700}
  .nav-item.is-active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--primary);
  }
  .nav-item.is-active .dot{background:var(--primary)}
  .shell-cta{
    margin-top:auto;padding:16px;border-radius:14px;background:var(--surface-2);
    font-size:.8125rem;color:var(--ink-2);line-height:1.7;
  }
  .shell-cta strong{display:block;color:var(--ink);font-size:.9375rem;margin-bottom:6px}
  .shell-cta a{color:var(--primary-d);font-weight:600;display:inline-block;margin-top:10px}
  .shell-cta a:hover{text-decoration:underline}

  /* ============ 移动端顶栏与抽屉 ============ */
  .topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:64px;
    background:var(--surface);border-bottom:1px solid var(--line);
    align-items:center;justify-content:space-between;padding:0 16px;z-index:70;
  }
  .topbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:.9375rem}
  .topbar-brand .shell-mark{width:36px;height:36px;border-radius:11px;font-size:.8125rem}
  .burger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;background:#fff}
  .burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
  .burger span::before{top:-6px}
  .burger span::after{top:6px}
  .overlay{
    position:fixed;inset:0;background:rgba(23,26,31,.35);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:55;
  }
  .overlay.is-on{opacity:1;visibility:visible}
  .drawer-close{
    display:none;align-self:flex-end;width:36px;height:36px;border-radius:10px;
    border:1px solid var(--line);color:var(--ink-2);font-size:1rem;margin-bottom:6px;
  }

  /* ============ 主体 ============ */
  .main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column}
  .main-inner{flex:1}

  .crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.8125rem;color:var(--ink-2);padding-top:36px}
  .crumbs a:hover{color:var(--primary-d);text-decoration:underline}
  .crumbs .sep{opacity:.6}
  .crumbs .now{color:var(--ink);font-weight:600}

  .sec{padding:76px 0}
  .sec-tight{padding:52px 0}
  .sec-head{max-width:760px;margin-bottom:34px}
  .sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.75rem;letter-spacing:.14em;color:var(--primary-d);
    background:var(--primary-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  }
  h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.15;font-weight:700;letter-spacing:-.01em}
  h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;font-weight:700;letter-spacing:-.01em}
  h3{font-size:1.25rem;line-height:1.4;font-weight:700}
  .lead{font-size:1.0625rem;color:var(--ink-2);line-height:1.9;margin-top:18px}
  .muted{color:var(--ink-2);font-size:.9375rem;line-height:1.85}

  /* ============ Hero ============ */
  .hero{padding:44px 0 8px}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:52px;align-items:center}
  .hero h1 .hl{color:var(--primary);position:relative;white-space:nowrap}
  .hero h1 .hl::after{
    content:"";position:absolute;left:0;right:0;bottom:.08em;height:.28em;border-radius:4px;
    background:rgba(14,124,123,.14);z-index:-1;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
  .hero-fact{min-width:118px}
  .hero-fact b{display:block;font-size:1.5rem;line-height:1.2;color:var(--primary-d);font-weight:700}
  .hero-fact span{font-size:.8125rem;color:var(--ink-2)}
  .hero-media{
    position:relative;border-radius:22px;overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-lg);aspect-ratio:16/11;background:var(--surface-2);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(23,26,31,0) 55%,rgba(23,26,31,.28));
  }
  .hero-chip{
    position:absolute;left:18px;bottom:18px;z-index:2;
    background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:14px;
    padding:10px 14px;font-size:.8125rem;color:var(--ink);display:flex;align-items:center;gap:8px;
    box-shadow:var(--shadow);
  }
  .hero-chip i{width:8px;height:8px;border-radius:50%;background:var(--primary);display:block}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;gap:8px;justify-content:center;
    border-radius:999px;padding:13px 26px;font-size:.9375rem;font-weight:600;
    border:1px solid transparent;transition:transform .2s,background .2s,color .2s,border-color .2s,box-shadow .2s;
  }
  .btn-primary{background:var(--primary);color:#fff}
  .btn-primary:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,124,123,.22)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:rgba(14,124,123,.5);color:var(--primary-d);transform:translateY(-2px)}
  .btn-sm{padding:10px 20px;font-size:.875rem}
  .link-more{color:var(--primary-d);font-weight:600;font-size:.9375rem;display:inline-flex;align-items:center;gap:6px}
  .link-more:hover{text-decoration:underline;color:var(--primary)}

  /* ============ 卡片与标签 ============ */
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);transition:transform .22s,border-color .22s,box-shadow .22s;
  }
  .card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow-lg)}
  .card-pad{padding:26px}
  .tag{
    display:inline-flex;align-items:center;gap:6px;font-size:.75rem;
    padding:4px 11px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);
  }
  .tag-primary{background:var(--primary-soft);color:var(--primary-d);font-weight:600}
  .tag-accent{background:var(--accent-soft);color:#B84A1C;font-weight:600}

  /* ============ 版本标签切换 ============ */
  .tabbar{
    display:flex;flex-wrap:wrap;gap:6px;padding:6px;background:var(--surface);
    border:1px solid var(--line);border-radius:999px;width:fit-content;box-shadow:var(--shadow);
  }
  .tab{
    padding:10px 22px;border-radius:999px;font-size:.9375rem;font-weight:600;
    color:var(--ink-2);transition:background .18s,color .18s;
  }
  .tab:hover{background:var(--surface-2);color:var(--ink)}
  .tab.is-on{background:var(--primary);color:#fff}
  .tab-panels{margin-top:30px}
  .tab-panel{display:none}
  .tab-panel.is-on{display:block;animation:fadeUp .3s ease}
  @keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
  .panel-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr);gap:20px}
  .panel-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
  .panel-item h3{font-size:1.0625rem;margin-bottom:10px}
  .panel-item p{font-size:.9375rem;color:var(--ink-2);line-height:1.8}
  .list-check{margin-top:16px;display:grid;gap:10px}
  .list-check li{position:relative;padding-left:24px;font-size:.9375rem;color:#3C362F}
  .list-check li::before{
    content:"";position:absolute;left:0;top:.6em;width:12px;height:7px;
    border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
    transform:rotate(-45deg);border-radius:1px;
  }

  /* ============ Bento 功能矩阵 ============ */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
  .bento-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
    transition:transform .22s,border-color .22s,box-shadow .22s;
  }
  .bento-item:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow-lg)}
  .bento-item.large{grid-column:span 4}
  .bento-item.small{grid-column:span 2}
  .bento-item p{font-size:.9375rem;color:var(--ink-2);line-height:1.8}
  .bento-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);margin-bottom:4px}
  .bento-thumb img{width:100%;height:100%;object-fit:cover}
  .bento-item .link-more{margin-top:auto;padding-top:8px}
  .bento-big{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:26px;align-items:center}

  /* ============ 版本差异对比 ============ */
  .cmp{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
  .cmp-row{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:18px;padding:18px 26px;border-top:1px solid var(--line);align-items:start}
  .cmp-row:first-child{border-top:0}
  .cmp-head{background:var(--surface-2);font-weight:700;font-size:.875rem;color:var(--ink)}
  .cmp-cell{font-size:.9375rem;color:var(--ink-2);line-height:1.75}
  .cmp-cell strong{display:block;color:var(--ink);font-size:.9375rem;font-weight:700}
  .cmp-k{display:none;font-size:.75rem;color:var(--ink-2);margin-bottom:2px}
  .cmp-head .cmp-k{display:none}
  .cmp-row .key{font-size:.9375rem;color:var(--ink);font-weight:700}
  .cmp-row .key small{display:block;font-weight:400;color:var(--ink-2);font-size:.8125rem;margin-top:4px}

  /* ============ 更新记录 ============ */
  .update-list{display:grid;gap:14px}
  .update-item{
    display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:20px;align-items:center;
    background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 24px;
    transition:transform .2s,border-color .2s,box-shadow .2s;
  }
  .update-item:hover{transform:translateX(3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow)}
  .update-date{font-size:.8125rem;color:var(--ink-2);letter-spacing:.02em}
  .update-item h3{font-size:1.0625rem;margin-bottom:6px}
  .update-item p{font-size:.9375rem;color:var(--ink-2);line-height:1.75}

  /* ============ 适用对象 ============ */
  .role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .role-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
    box-shadow:var(--shadow);transition:transform .22s,border-color .22s;
  }
  .role-card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35)}
  .role-ico{
    width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary-d);
    display:grid;place-items:center;font-weight:700;font-size:1.0625rem;margin-bottom:16px;
  }
  .role-card h3{font-size:1.0625rem;margin-bottom:8px}
  .role-card p{font-size:.9375rem;color:var(--ink-2);line-height:1.8}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
  .faq-item{border-top:1px solid var(--line)}
  .faq-item:first-child{border-top:0}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 26px;text-align:left;font-size:1.0625rem;font-weight:600;color:var(--ink);
    transition:background .18s,color .18s;
  }
  .faq-q:hover{background:#FAF8F4;color:var(--primary-d)}
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
    display:grid;place-items:center;font-size:1rem;color:var(--primary-d);line-height:1;
    transition:transform .25s,background .2s,color .2s;
  }
  .faq-item.is-open .faq-icon{background:var(--primary);color:#fff;border-color:var(--primary);transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a p{padding:0 26px 24px;font-size:.9375rem;color:var(--ink-2);line-height:1.85;max-width:840px}

  /* ============ CTA 条 ============ */
  .cta-band{
    background:var(--surface);border:1px solid var(--line);border-radius:24px;
    padding:46px;display:grid;grid-template-columns:minmax(0,1.2fr) auto;gap:32px;align-items:center;
    box-shadow:var(--shadow);position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
    background:var(--primary-soft);opacity:.7;
  }
  .cta-band > *{position:relative;z-index:1}
  .cta-band h2{font-size:clamp(1.375rem,2.4vw,1.875rem)}
  .cta-band p{color:var(--ink-2);margin-top:12px;font-size:.9375rem;max-width:620px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:20px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
  .footer-title{font-size:.875rem;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.04em}
  .footer-links{display:grid;gap:10px}
  .footer-links a{font-size:.9375rem;color:var(--ink-2);transition:color .18s}
  .footer-links a:hover{color:var(--primary-d);text-decoration:underline}
  .footer-desc{font-size:.875rem;color:var(--ink-2);line-height:1.8;margin-top:16px;max-width:340px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    border-top:1px solid var(--line);margin-top:44px;padding:22px 0 30px;
    font-size:.8125rem;color:var(--ink-2);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .hero-grid{gap:36px}
    .panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  }
  @media (max-width:1023px){
    .shell{transform:translateX(-100%);transition:transform .28s ease;width:280px}
    .shell.is-open{transform:none}
    .drawer-close{display:grid;place-items:center}
    .topbar{display:flex}
    .main{margin-left:0;padding-top:64px}
    .sec{padding:60px 0}
    .hero{padding:26px 0 4px}
    .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px}
    .hero-media{aspect-ratio:16/10}
    .bento{grid-template-columns:repeat(4,1fr)}
    .bento-item.large{grid-column:span 4}
    .bento-item.small{grid-column:span 2}
    .bento-big{grid-template-columns:minmax(0,1fr)}
    .role-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-band{grid-template-columns:minmax(0,1fr);padding:36px}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .sec{padding:52px 0}
    .sec-tight{padding:40px 0}
    .panel-grid{grid-template-columns:minmax(0,1fr)}
    .role-grid{grid-template-columns:minmax(0,1fr)}
    .cmp-head{display:none}
    .cmp-row{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px}
    .cmp-k{display:block}
    .update-item{grid-template-columns:minmax(0,1fr);gap:10px}
    .update-date{order:-1}
    .faq-q{font-size:1rem;padding:18px}
    .faq-a p{padding:0 18px 20px}
    .hero-facts{gap:20px}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  }
  @media (max-width:640px){
    .bento{grid-template-columns:minmax(0,1fr)}
    .bento-item.large,.bento-item.small{grid-column:span 1}
    h1{font-size:clamp(1.75rem,7vw,2.35rem)}
    .tabbar{width:100%}
    .tab{flex:1 1 auto;text-align:center;padding:10px 14px;font-size:.875rem}
    .hero-actions .btn{flex:1 1 100%}
    .cta-band{padding:28px 22px;border-radius:20px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 100%}
  }

/* roulang page: category3 */
:root{
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#171A1F;
  --muted:#6B6258;
  --primary:#0E7C7B;
  --primary-dark:#0A5E5D;
  --accent:#E86A33;
  --accent-soft:#FDE4D6;
  --line:#DDD6C9;
  --ring:rgba(14,124,123,.28);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(23,26,31,.06);
  --shadow-lg:0 18px 42px rgba(23,26,31,.12);
  --sidebar-w:260px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:10px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 骨架布局 ===== */
.shell{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);align-items:start;min-height:100vh;}
.shell-main{min-width:0;display:flex;flex-direction:column;}

/* ===== 左侧导航 ===== */
.shell-side{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--surface);border-right:1px solid var(--line);
  padding:26px 18px 30px;display:flex;flex-direction:column;gap:20px;
}
.shell-brand{display:flex;align-items:flex-start;gap:10px;padding:4px 6px 16px;border-bottom:1px solid var(--line);}
.shell-brand:hover{color:inherit;}
.shell-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;display:grid;place-items:center;
  font-size:.8125rem;font-weight:700;letter-spacing:.5px;line-height:1.1;text-align:center;
}
.shell-name{display:block;font-size:1rem;font-weight:700;line-height:1.32;color:var(--ink);}
.shell-sub{display:block;font-size:.75rem;color:var(--muted);letter-spacing:.3px;margin-top:2px;}
.shell-nav{display:flex;flex-direction:column;gap:4px;}
.shell-nav-label{font-size:.75rem;letter-spacing:.12em;color:var(--muted);padding:0 14px 8px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:12px;
  color:var(--muted);font-size:.9375rem;line-height:1.5;
  border-left:3px solid transparent;transition:background-color .2s ease,color .2s ease;
}
.nav-item .dot{width:6px;height:6px;flex:0 0 6px;border-radius:50%;background:var(--line);transition:background-color .2s ease;}
.nav-item:hover{background:var(--surface-2);color:var(--ink);}
.nav-item.is-active{background:rgba(14,124,123,.09);color:var(--primary-dark);font-weight:700;border-left-color:var(--primary);}
.nav-item.is-active .dot{background:var(--primary);}
.shell-foot{margin-top:auto;padding:16px 6px 0;border-top:1px solid var(--line);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:.9375rem;font-weight:600;line-height:1;
  padding:13px 26px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,123,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,124,123,.28);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light:hover{background:#fff;color:var(--primary-dark);border-color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:.875rem;width:100%;}

/* ===== 移动端顶栏与抽屉 ===== */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:60;
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.brand-mini{display:flex;align-items:center;gap:10px;color:var(--ink);min-width:0;}
.brand-mini .shell-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:.75rem;}
.brand-mini-name{font-size:.9375rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hamburger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;gap:4px;padding:10px;background:var(--surface);}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.hamburger:hover{border-color:var(--primary);}
.drawer-mask{position:fixed;inset:0;background:rgba(23,26,31,.35);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;z-index:80;
  background:var(--surface);border-right:1px solid var(--line);
  padding:20px 16px;display:flex;flex-direction:column;gap:16px;
  transform:translateX(-102%);transition:transform .28s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;flex:0 0 38px;border-radius:11px;border:1px solid var(--line);color:var(--muted);font-size:1.125rem;line-height:1;display:grid;place-items:center;}
.drawer-close:hover{border-color:var(--primary);color:var(--primary-dark);}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:rgba(255,255,255,.82);}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ===== Hero ===== */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(10,17,20,.86) 8%,rgba(10,17,20,.58) 55%,rgba(14,124,123,.42) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:36px 24px 72px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;align-items:end;margin-top:38px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:.8125rem;letter-spacing:.2px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.hero-tag.is-warm{background:rgba(232,106,51,.28);border-color:rgba(232,106,51,.6);}
.page-hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.16;color:#fff;letter-spacing:-.5px;}
.hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:rgba(255,255,255,.9);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-aside{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  border-radius:var(--radius);padding:24px;backdrop-filter:blur(2px);
}
.hero-aside-title{font-size:.875rem;letter-spacing:.1em;color:rgba(255,255,255,.75);margin-bottom:14px;}
.hero-aside-list{display:flex;flex-direction:column;gap:2px;}
.hero-aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;color:#fff;font-size:.9375rem;border-bottom:1px dashed rgba(255,255,255,.22);
}
.hero-aside-list a:last-child{border-bottom:none;}
.hero-aside-list a:hover{color:#FDE4D6;}
.hero-aside-list .num{font-size:.8125rem;color:rgba(255,255,255,.7);}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  color:var(--primary);letter-spacing:.08em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1rem;line-height:1.85;}
.bg-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.bg-soft{background:var(--surface-2);}

/* ===== 标签切换 ===== */
.tab-rail{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;margin-bottom:34px;scrollbar-width:thin;}
.tab-rail::-webkit-scrollbar{height:6px;}
.tab-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.tab-btn{
  white-space:nowrap;padding:10px 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  color:var(--muted);font-size:.9375rem;font-weight:600;line-height:1;
  transition:all .2s ease;
}
.tab-btn:hover{border-color:var(--primary);color:var(--primary-dark);}
.tab-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(14,124,123,.2);}

/* ===== 场景卡片 ===== */
.scene-panel{display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.scene-panel.is-open{display:grid;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-panel .scene-card:nth-child(even){margin-top:34px;}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow-lg);}
.scene-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.scene-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover figure img{transform:scale(1.04);}
.scene-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-body h3{font-size:1.1875rem;line-height:1.45;}
.scene-body p{color:var(--muted);font-size:.9375rem;line-height:1.85;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--muted);font-size:.75rem;letter-spacing:.02em;line-height:1.5;
}
.badge-primary{background:rgba(14,124,123,.12);color:var(--primary-dark);}
.badge-warm{background:var(--accent-soft);color:#A8431A;}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.scene-link{margin-top:auto;font-size:.9375rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.scene-link:hover{text-decoration:underline;}

/* ===== 时间线 ===== */
.timeline{margin-top:8px;max-width:920px;}
.tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:31px;top:66px;bottom:-4px;width:2px;background:var(--line);}
.tl-item:last-child::before{display:none;}
.tl-num{
  width:64px;height:64px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  display:grid;place-items:center;font-weight:700;font-size:1.125rem;color:var(--primary);
  position:relative;z-index:2;
}
.tl-item:hover .tl-num{border-color:rgba(14,124,123,.45);background:rgba(14,124,123,.06);}
.tl-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);}
.tl-body h3{font-size:1.1875rem;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:.9375rem;line-height:1.9;}
.tl-note{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}

/* ===== 结果说明 ===== */
.result-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:30px;align-items:stretch;}
.stat-stack{display:grid;grid-template-columns:1fr;gap:16px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;display:flex;align-items:center;gap:18px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow);}
.stat-value{font-size:1.875rem;font-weight:700;color:var(--primary);line-height:1;min-width:74px;}
.stat-text strong{display:block;font-size:1rem;margin-bottom:4px;}
.stat-text span{color:var(--muted);font-size:.875rem;line-height:1.7;}
.quote-block{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:16px;height:100%;
}
.quote-block blockquote{margin:0;font-size:1.0625rem;line-height:1.9;color:var(--ink);}
.quote-block .quote-from{color:var(--muted);font-size:.875rem;}
.quote-list{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.quote-list li{display:flex;gap:10px;color:var(--muted);font-size:.9375rem;line-height:1.8;}
.quote-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:11px;flex:0 0 6px;}

/* ===== FAQ ===== */
.faq-list{max-width:920px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px;text-align:left;font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--surface-2);color:var(--primary-dark);}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--primary);font-size:1rem;line-height:1;transition:transform .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(14,124,123,.1);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 6px 24px;color:var(--muted);font-size:.9375rem;line-height:1.9;max-width:760px;}

/* ===== 相关推荐 ===== */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.related-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);color:var(--ink);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(14,124,123,.35);box-shadow:var(--shadow-lg);color:var(--ink);}
.related-card img{width:76px;height:76px;flex:0 0 76px;border-radius:14px;object-fit:cover;background:var(--surface-2);}
.related-card h3{font-size:1.0625rem;line-height:1.45;margin-bottom:6px;}
.related-card:hover h3{color:var(--primary);}
.related-card p{color:var(--muted);font-size:.875rem;line-height:1.7;}
.related-grid .related-card:nth-child(even){margin-top:22px;}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(120deg,rgba(14,124,123,.1),rgba(232,106,51,.1)),var(--surface);
  border:1px solid var(--line);border-radius:26px;
  padding:46px 42px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.375rem,2.4vw,1.875rem);line-height:1.3;}
.cta-band p{margin-top:12px;color:var(--muted);font-size:1rem;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px;border-bottom:1px solid var(--line);}
.footer-title{font-size:.875rem;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--muted);font-size:.9375rem;}
.footer-links a:hover{color:var(--primary);}
.footer-desc{color:var(--muted);font-size:.9375rem;line-height:1.85;margin-top:16px;max-width:330px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:22px 0 28px;color:var(--muted);font-size:.8125rem;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .mobile-topbar{display:flex;}
  .shell{grid-template-columns:1fr;}
  .shell-side{display:none;}
  body{padding-top:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .result-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 26px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .hero-inner{padding:28px 18px 56px;}
  .scene-panel{grid-template-columns:1fr;}
  .scene-panel .scene-card:nth-child(even){margin-top:0;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid .related-card:nth-child(even){margin-top:0;}
  .tl-item{grid-template-columns:48px minmax(0,1fr);gap:16px;padding-bottom:30px;}
  .tl-num{width:48px;height:48px;font-size:1rem;}
  .tl-item::before{left:23px;top:50px;}
  .tl-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .related-card{flex-direction:column;align-items:flex-start;}
  .related-card img{width:100%;height:150px;flex:none;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:1.875rem;}
  .hero-sub{font-size:1rem;}
  .stat-card{flex-direction:column;align-items:flex-start;gap:8px;}
  .stat-value{min-width:0;}
  .faq-q{font-size:1rem;padding:18px 2px;}
}

/* roulang page: category4 */
:root{
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#171A1F;
  --ink-2:#6B6258;
  --primary:#0E7C7B;
  --primary-dark:#0A5E5D;
  --primary-soft:#E4F1F0;
  --accent:#E86A33;
  --accent-soft:#FDE4D6;
  --line:#DDD6C9;
  --ring:rgba(14,124,123,.28);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(23,26,31,.06);
  --shadow-lg:0 18px 44px rgba(23,26,31,.12);
  --shell-w:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 左侧 App Shell ============ */
.shell{
  display:none;
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 18px 22px;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
  z-index:40;
}
.shell-brand{display:flex;align-items:flex-start;gap:10px;padding:0 6px;}
.shell-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:13px;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.875rem;font-weight:700;letter-spacing:.04em;
  box-shadow:0 8px 18px rgba(14,124,123,.28);
}
.shell-name{font-size:.9375rem;font-weight:700;line-height:1.35;color:var(--ink);}
.shell-sub{font-size:.75rem;color:var(--ink-2);letter-spacing:.06em;margin-top:2px;}
.shell-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.shell-nav-label{
  font-size:.75rem;color:var(--ink-2);letter-spacing:.16em;
  padding:4px 16px 8px;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 14px 11px 16px;
  border-radius:var(--radius-sm);
  color:var(--ink-2);
  font-size:.9375rem;
  line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.nav-item:hover{background:var(--surface-2);color:var(--ink);}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.25;flex:0 0 6px;}
.nav-item.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--primary);
}
.nav-item.is-active .dot{opacity:1;background:var(--primary);}
.shell-cta{
  display:block;text-align:center;
  padding:12px 16px;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:700;font-size:.9375rem;
  box-shadow:0 10px 22px rgba(14,124,123,.24);
}
.shell-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.shell-note{font-size:.75rem;color:var(--ink-2);line-height:1.7;padding:0 8px;}

/* ============ 移动端顶部栏 ============ */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;height:64px;padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-brand .shell-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:.75rem;}
.topbar-title{font-size:.875rem;font-weight:700;line-height:1.25;}
.topbar-title span{display:block;font-size:.6875rem;color:var(--ink-2);font-weight:400;letter-spacing:.08em;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:border-color .18s ease,background .18s ease;
}
.hamburger:hover{border-color:var(--primary);background:var(--surface-2);}
.hamburger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,26,31,.35);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:60;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;
  background:var(--surface);border-right:1px solid var(--line);
  padding:22px 18px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(-100%);transition:transform .26s ease;z-index:70;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.drawer-close{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);
  font-size:1.125rem;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 页面主区 ============ */
.page-main{padding-bottom:0;}
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.16em;color:var(--primary-dark);
  background:var(--primary-soft);border-radius:999px;padding:6px 14px;font-weight:700;
}
.section-title{
  font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;margin-top:14px;
}
.section-sub{color:var(--ink-2);font-size:1.0625rem;margin-top:12px;max-width:760px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;color:var(--ink-2);background:var(--surface-2);
  border-radius:999px;padding:4px 12px;line-height:1.6;
}
.badge-primary{background:var(--primary-soft);color:var(--primary-dark);font-weight:700;}
.badge-accent{background:var(--accent-soft);color:#A8410F;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 26px;font-size:.9375rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(14,124,123,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,123,.28);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 20px;font-size:.875rem;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-hover:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(14,124,123,.35);}

/* ============ Hero ============ */
.hero{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(23,26,31,.86),rgba(23,26,31,.52)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
  padding:44px 28px 40px;
  border:1px solid rgba(255,255,255,.06);
}
.hero-crumb{font-size:.8125rem;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.hero-crumb a{color:rgba(255,255,255,.86);}
.hero-crumb a:hover{color:#fff;text-decoration:underline;}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  line-height:1.15;
  margin-top:18px;
  max-width:860px;
}
.hero-lead{
  margin-top:18px;max-width:720px;font-size:1.0625rem;line-height:1.9;color:rgba(255,255,255,.88);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.36);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-meta .badge{background:rgba(255,255,255,.14);color:#fff;}
.hero-meta .badge-primary{background:rgba(14,124,123,.9);color:#fff;}

/* ============ 快速通道 ============ */
.quick-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-top:34px;}
.quick-card{padding:24px 22px;}
.quick-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--primary-soft);color:var(--primary-dark);
  font-weight:700;font-size:.9375rem;margin-bottom:14px;
}
.quick-card h3{font-size:1.125rem;line-height:1.4;}
.quick-card p{color:var(--ink-2);font-size:.9375rem;margin-top:8px;line-height:1.8;}

/* ============ FAQ 双栏 ============ */
.faq-layout{display:grid;gap:26px;grid-template-columns:1fr;margin-top:34px;}
.faq-aside{padding:22px 20px;height:max-content;}
.faq-aside-title{font-size:.8125rem;letter-spacing:.16em;color:var(--ink-2);}
.faq-anchor{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);color:var(--ink-2);font-size:.9375rem;
  transition:background .18s ease,color .18s ease;
}
.faq-anchor:hover{background:var(--surface-2);color:var(--ink);}
.faq-anchor span.count{font-size:.75rem;color:var(--ink-2);background:var(--surface-2);border-radius:999px;padding:2px 9px;}
.faq-anchor.is-current{background:var(--primary-soft);color:var(--primary-dark);font-weight:700;}
.faq-anchor.is-current span.count{background:#fff;color:var(--primary-dark);}
.faq-group{margin-top:6px;}
.faq-group + .faq-group{margin-top:30px;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.faq-group-head h3{font-size:1.25rem;line-height:1.4;}
.faq-group-head .line{flex:1;height:1px;background:var(--line);}

.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:transparent;transition:background .18s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:18px 8px;
  font-size:1.0625rem;font-weight:700;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item:hover{background:rgba(239,234,224,.55);}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--ink-2);font-size:1.125rem;font-weight:400;
  transition:background .18s ease,color .18s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff;}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-answer{padding:0 8px 22px;color:var(--ink-2);font-size:.9688rem;line-height:1.9;max-width:760px;}

/* ============ 资源列表 ============ */
.resource-grid{display:grid;gap:18px;grid-template-columns:1fr;margin-top:34px;}
.resource-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.resource-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(14,124,123,.35);}
.resource-thumb{width:88px;flex:0 0 88px;height:88px;border-radius:14px;overflow:hidden;background:var(--surface-2);}
.resource-thumb img{width:100%;height:100%;}
.resource-item h3{font-size:1.0625rem;line-height:1.45;}
.resource-item p{font-size:.9375rem;color:var(--ink-2);margin-top:6px;line-height:1.8;}
.resource-link{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:700;margin-top:8px;}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;gap:18px;grid-template-columns:1fr;margin-top:30px;}
.related-card{overflow:hidden;display:flex;flex-direction:column;}
.related-card .thumb{aspect-ratio:16/10;background:var(--surface-2);}
.related-card .thumb img{width:100%;height:100%;}
.related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:1.0625rem;line-height:1.5;}
.related-card:hover h3{color:var(--primary);}
.related-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--ink-2);}
.related-body p{font-size:.9375rem;color:var(--ink-2);line-height:1.8;}
.related-body .more{margin-top:auto;font-size:.875rem;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}

/* ============ CTA ============ */
.cta-band{
  border-radius:24px;background:var(--primary-soft);
  border:1px solid rgba(14,124,123,.2);
  padding:40px 26px;display:flex;flex-direction:column;gap:20px;
}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.3;max-width:640px;}
.cta-band p{color:var(--ink-2);max-width:660px;font-size:1.0625rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:72px;}
.footer-grid{display:grid;gap:30px;grid-template-columns:1fr;}
.footer-desc{color:var(--ink-2);font-size:.9375rem;line-height:1.85;margin-top:14px;max-width:340px;}
.footer-title{font-size:.9375rem;font-weight:700;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--ink-2);font-size:.9375rem;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;padding:20px 0 26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:var(--ink-2);font-size:.8125rem;
}

@media (min-width:640px){
  .container{padding:0 28px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .resource-grid{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .hero{padding:52px 40px 46px;}
  .cta-band{padding:48px 44px;}
}
@media (min-width:1024px){
  .shell{display:flex;}
  .topbar{display:none;}
  .page-main{margin-left:var(--shell-w);}
  .section{padding:92px 0;}
  .section-tight{padding:64px 0;}
  .quick-grid{grid-template-columns:repeat(4,1fr);}
  .faq-layout{grid-template-columns:270px 1fr;gap:34px;}
  .faq-aside{position:sticky;top:32px;}
  .related-grid{grid-template-columns:repeat(3,1fr);}
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px;}
  .cta-actions{flex:0 0 auto;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
}
@media (min-width:1280px){
  .hero{padding:60px 52px 54px;}
}