/* roulang page: index */
:root{
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --primary:#0F4D3A;
    --primary-deep:#0A3628;
    --accent:#C8F04A;
    --accent-2:#FF7A2F;
    --ink:#0C1F1A;
    --muted:#5A6B65;
    --border:#E3E4DC;
    --shadow-sm:0 1px 2px rgba(12,31,26,.06);
    --shadow-lg:0 12px 32px -12px rgba(12,31,26,.20);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::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','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    padding-bottom:76px;
  }
  @media (min-width:768px){ body{padding-bottom:0} }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
  img{max-width:100%;display:block}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:0;background:none}
  .container-site{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:1024px){ .container-site{padding-left:32px;padding-right:32px} }
  .num{font-variant-numeric:tabular-nums}
  .sec{padding-top:56px;padding-bottom:56px}
  @media (min-width:1024px){ .sec{padding-top:104px;padding-bottom:104px} }
  .h2{font-size:clamp(22px,3.4vw,34px);font-weight:700;line-height:1.3;letter-spacing:-0.01em}
  .h3{font-size:18px;font-weight:600;line-height:1.45}
  .lead{color:var(--muted);font-size:16px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.06em;
    color:var(--primary);text-transform:uppercase;
  }
  .eyebrow::before{content:'';width:22px;height:3px;border-radius:999px;background:var(--accent);display:inline-block}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:12px;font-size:15px;font-weight:600;
    transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
    will-change:transform;
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
  .btn-primary:hover{background:#136148;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-primary:active{transform:translateY(0)}
  .btn-accent{background:var(--accent);color:var(--primary-deep)}
  .btn-accent:hover{background:#d6f866;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-accent:active{transform:translateY(0)}
  .btn-ghost{border:1px solid rgba(255,255,255,.55);color:#F2F5EF}
  .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
  .btn-outline{border:1px solid var(--primary);color:var(--primary);background:transparent}
  .btn-outline:hover{background:rgba(15,77,58,.08);transform:translateY(-1px)}
  .btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);font-size:15px}
  .btn-text:hover{color:#136148;gap:10px}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

  /* 导航 */
  .site-header{
    position:sticky;top:0;z-index:60;background:var(--surface);
    border-bottom:1px solid var(--border);
    transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{background:var(--primary-deep);border-color:rgba(255,255,255,.10);box-shadow:0 10px 30px -18px rgba(12,31,26,.5)}
  .nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 2px}
  .nav-link::after{
    content:'';position:absolute;left:50%;bottom:-4px;height:3px;width:0;border-radius:999px;
    background:var(--accent);transform:translateX(-50%);transition:width .22s var(--ease);
  }
  .nav-link:hover{color:var(--primary)}
  .nav-link.is-active{font-weight:600;color:var(--primary)}
  .nav-link.is-active::after{width:60%}
  .site-header.is-scrolled .nav-link{color:#E9F0EA}
  .site-header.is-scrolled .nav-link:hover,
  .site-header.is-scrolled .nav-link.is-active{color:var(--accent)}
  .site-header.is-scrolled .brand-text{color:#fff}
  .site-header.is-scrolled .brand-sub{color:#A9BAB1}
  .site-header.is-scrolled .header-link{color:#E9F0EA}

  /* 卡片 */
  .card{
    background:var(--surface);border:1px solid var(--border);border-radius:16px;
    box-shadow:var(--shadow-sm);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
    overflow:hidden;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D6D8CD}
  .card-media{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:12px;background:#E9EAE2}
  .card:hover .zoom{transform:scale(1.02)}
  .zoom{transition:transform .35s var(--ease)}

  /* 徽章 */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:999px;
  }
  .badge-cat{background:rgba(15,77,58,.08);color:var(--primary)}
  .badge-hot{background:var(--accent-2);color:#fff}
  .badge-lock{background:var(--accent);color:var(--primary-deep)}

  /* 表格 */
  .table-shell{
    background:var(--surface);border:1px solid var(--border);border-radius:18px;
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .table-scroll{overflow-x:auto}
  table.compare{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
  table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:15px}
  table.compare thead th{
    background:var(--primary);color:#fff;font-weight:600;font-size:14px;
    position:sticky;top:0;
  }
  table.compare thead th:first-child{left:0;z-index:3}
  table.compare tbody th{
    font-weight:600;background:var(--surface);position:sticky;left:0;z-index:2;
    border-right:1px solid var(--border);white-space:nowrap;
  }
  table.compare tbody tr:nth-child(even) td,table.compare tbody tr:nth-child(even) th{background:#FBFBF7}
  table.compare tbody tr{border-bottom:1px solid var(--border)}
  table.compare tbody td{border-bottom:1px solid var(--border);color:var(--ink)}
  table.compare .mark-yes{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600}
  table.compare .mark-no{color:var(--muted)}
  .table-cards{display:none}

  /* 等级卡 */
  .tier-card{border-radius:16px;border:1px solid var(--border);background:var(--surface);padding:24px;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
  .tier-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .tier-card.is-featured{border:1.5px solid var(--accent);position:relative}
  .tier-num{font-size:32px;font-weight:800;line-height:1;color:var(--primary);font-variant-numeric:tabular-nums}
  .tier-list{list-style:none;padding:0;margin:0}
  .tier-list li{position:relative;padding-left:24px;margin-top:10px;font-size:15px;color:var(--muted)}
  .tier-list li::before{content:'';position:absolute;left:0;top:10px;width:14px;height:8px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg)}

  /* 数据小卡 */
  .stat-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
  .stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .stat-num{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.05;color:var(--primary);font-variant-numeric:tabular-nums}

  /* 内容卡锁态 */
  .lock-wrap{position:relative}
  .lock-mask{
    position:absolute;inset:0;border-radius:12px;
    background:linear-gradient(180deg,rgba(10,54,40,.06),rgba(10,54,40,.42));
    display:flex;align-items:flex-end;padding:12px;opacity:0;transition:opacity .22s var(--ease);
  }
  .card:hover .lock-mask{opacity:1}
  .lock-icon{
    width:30px;height:30px;border-radius:999px;background:var(--accent);color:var(--primary-deep);
    display:flex;align-items:center;justify-content:center;
  }

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--border);position:relative}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;gap:16px;align-items:flex-start;
    padding:20px 40px 20px 0;position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-index{font-size:14px;font-weight:600;color:var(--muted);width:32px;flex:0 0 32px;font-variant-numeric:tabular-nums;padding-top:3px}
  .faq-q{font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
  .faq-caret{
    position:absolute;right:6px;top:24px;width:16px;height:16px;flex:0 0 auto;
    border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
    transform:rotate(45deg);transition:transform .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-a{font-size:15px;line-height:1.8;color:var(--muted);padding:0 44px 22px 48px}
  .faq-item[open] .faq-caret{transform:rotate(225deg);border-color:var(--primary)}
  .faq-item[open] .faq-index{color:var(--primary)}
  .faq-item[open]::before{content:'';position:absolute;left:-14px;top:14px;bottom:14px;width:3px;border-radius:999px;background:var(--accent)}
  @media (min-width:768px){ .faq-item[open]::before{left:-18px} }

  /* 表单控件 */
  .field-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
  .field{
    width:100%;height:48px;border-radius:12px;border:1px solid var(--border);background:#fff;
    padding:0 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  textarea.field{height:auto;padding:12px 14px;line-height:1.75}
  .field::placeholder{color:rgba(90,107,101,.7)}
  .field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(15,77,58,.35)}

  /* 页脚 */
  .site-footer{background:var(--primary-deep);color:#F2F5EF}
  .site-footer a{color:#A9BAB1}
  .site-footer a:hover{color:var(--accent)}
  .footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:16px}

  /* 移动底部 Tab */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--surface);
    border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    display:grid;grid-template-columns:repeat(5,1fr);
    box-shadow:0 -8px 24px -18px rgba(12,31,26,.45);
  }
  .tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:60px;font-size:10.5px;color:var(--muted);position:relative}
  .tab-item svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.is-active{color:var(--primary);font-weight:600}
  .tab-item.is-active::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:999px;background:var(--accent)}
  @media (min-width:768px){ .tabbar{display:none} }

  /* 移动抽屉 */
  #mobilePanel{display:none}
  #mobilePanel.is-open{display:block}
  .scroll-x{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .scroll-x > *{scroll-snap-align:start;flex:0 0 84%}
  @media (min-width:640px){ .scroll-x > *{flex:0 0 60%} }
  @media (min-width:1024px){ .scroll-x{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;overflow:visible} .scroll-x > *{flex:auto} }
  .scroll-x::-webkit-scrollbar{height:6px}
  .scroll-x::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px}

  @media (prefers-reduced-motion: reduce){
    *{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
    .card:hover,.btn:hover{transform:none}
  }

  @media (max-width:767px){
    .table-scroll{display:none}
    .table-cards{display:block}
    .stack-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;margin-bottom:14px}
    .stack-row{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding:8px 0;border-bottom:1px dashed var(--border)}
    .stack-row:last-child{border-bottom:0}
  }

/* roulang page: category1 */
:root{
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --primary:#0F4D3A;
    --primary-deep:#0A3628;
    --accent:#C8F04A;
    --accent-2:#FF7A2F;
    --ink:#0C1F1A;
    --muted:#5A6B65;
    --border:#E3E4DC;
    --success:#2E7D5B;
    --warn:#C8501E;
    --error:#B3261E;
    --radius-card:16px;
    --radius-panel:18px;
    --radius-btn:12px;
    --shadow-soft:0 1px 2px rgba(12,31,26,.06);
    --shadow-lift:0 12px 32px -12px rgba(12,31,26,.20);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    padding-bottom:76px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}

  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

  .container-site{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){.container-site{padding-left:32px;padding-right:32px;}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .site-header.is-stuck{
    background:var(--primary-deep);
    border-color:transparent;
    box-shadow:0 10px 30px -18px rgba(10,54,40,.65);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
  .brand-mark{
    display:flex;align-items:center;gap:10px;
    font-size:17px;font-weight:800;letter-spacing:-0.01em;color:var(--ink);
    transition:color .24s var(--ease);
  }
  .brand-mark .brand-badge{
    width:38px;height:38px;border-radius:12px;
    background:rgba(15,77,58,.08);
    display:grid;place-items:center;
    transition:background .24s var(--ease);
  }
  .site-header.is-stuck .brand-mark{color:#F2F5EF;}
  .site-header.is-stuck .brand-mark .brand-badge{background:rgba(200,240,74,.16);}

  .nav-link{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    transition:color .2s var(--ease);
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link.is-active{font-weight:600;color:var(--primary);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);
    bottom:-3px;width:60%;height:3px;border-radius:999px;background:var(--accent);
  }
  .site-header.is-stuck .nav-link{color:#F2F5EF;}
  .site-header.is-stuck .nav-link:hover{color:var(--accent);}
  .site-header.is-stuck .nav-link.is-active{color:#FFFFFF;}

  .icon-btn{
    width:40px;height:40px;border-radius:12px;
    display:grid;place-items:center;
    border:1px solid var(--border);
    background:transparent;color:var(--ink);cursor:pointer;
    transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .icon-btn:hover{background:rgba(15,77,58,.08);border-color:rgba(15,77,58,.25);color:var(--primary);}
  .site-header.is-stuck .icon-btn{border-color:rgba(255,255,255,.25);color:#F2F5EF;}
  .site-header.is-stuck .icon-btn:hover{background:rgba(255,255,255,.10);border-color:rgba(200,240,74,.5);color:var(--accent);}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1.2;
    border:1px solid transparent;cursor:pointer;
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .btn-primary{background:var(--primary);color:#FFFFFF;box-shadow:var(--shadow-soft);}
  .btn-primary:hover{background:#13624A;transform:translateY(-1px);box-shadow:var(--shadow-lift);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-accent{background:var(--accent);color:#0C1F1A;box-shadow:var(--shadow-soft);}
  .btn-accent:hover{background:#D5F56A;transform:translateY(-1px);box-shadow:var(--shadow-lift);}
  .btn-accent:active{transform:translateY(1px);}
  .btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
  .btn-ghost:hover{background:rgba(15,77,58,.08);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-ghost-light{background:transparent;border-color:rgba(242,245,239,.5);color:#F2F5EF;}
  .btn-ghost-light:hover{background:rgba(255,255,255,.10);border-color:#F2F5EF;transform:translateY(-1px);}
  .btn[disabled],.btn.is-disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--primary);
  }
  .link-arrow svg{transition:transform .2s var(--ease);}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* ---------- badges ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1.4;white-space:nowrap;
  }
  .badge-cat{background:rgba(15,77,58,.08);color:var(--primary);}
  .badge-hot{background:var(--accent-2);color:#FFFFFF;}
  .badge-signal{background:var(--accent);color:#0C1F1A;}
  .badge-outline{border:1px solid var(--border);color:var(--muted);background:var(--surface);}

  /* ---------- hero (light) ---------- */
  .hero-light{position:relative;overflow:hidden;background:var(--bg);}
  .hero-light::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;opacity:.12;
  }
  .hero-light::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(247,246,241,.72) 0%,rgba(247,246,241,.94) 62%,var(--bg) 100%);
  }
  .hero-light > .container-site{position:relative;z-index:1;}

  .breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#C2C7BE;}
  .breadcrumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  .media-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-panel);
    box-shadow:var(--shadow-soft);
    overflow:hidden;
  }
  .media-frame{position:relative;aspect-ratio:16/10;background:#EDEDE6;overflow:hidden;}
  .media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}

  /* ---------- cards ---------- */
  .card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-soft);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);}

  .point-card{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:22px;
    box-shadow:var(--shadow-soft);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);}
  .point-icon{
    flex:0 0 auto;width:46px;height:46px;border-radius:14px;
    background:rgba(15,77,58,.08);
    display:grid;place-items:center;
  }

  .section-label{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--primary);
    letter-spacing:.02em;
  }
  .section-label::before{
    content:"";width:22px;height:3px;border-radius:999px;background:var(--accent);
  }

  .prose-block p{color:var(--muted);font-size:16px;line-height:1.9;}
  .prose-block p + p{margin-top:1.2em;}

  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:15px;color:var(--ink);
  }
  .check-list li + li{margin-top:10px;}
  .check-list svg{flex:0 0 auto;margin-top:5px;}

  /* steps */
  .step-item{
    position:relative;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:24px 22px;
    box-shadow:var(--shadow-soft);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);}
  .step-no{
    font-size:30px;font-weight:800;line-height:1;color:var(--primary);
    font-variant-numeric:tabular-nums;
  }
  .step-item .rule{
    margin-top:14px;height:3px;width:44px;border-radius:999px;background:var(--accent);
  }

  /* stats */
  .stat-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:24px 22px;
    box-shadow:var(--shadow-soft);
  }
  .stat-value{
    font-size:40px;font-weight:800;line-height:1.05;color:var(--primary);
    font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
  }
  .stat-label{margin-top:10px;font-size:14px;color:var(--muted);}

  /* dark cta */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--primary-deep);
    border-radius:var(--radius-panel);
    padding:44px 28px;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;
    opacity:.18;mix-blend-mode:luminosity;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(120% 90% at 88% 10%,rgba(200,240,74,.16) 0%,rgba(10,54,40,0) 55%);
  }
  .cta-band > *{position:relative;z-index:1;}

  /* footer */
  .site-footer{background:var(--primary-deep);color:#F2F5EF;}
  .site-footer a{color:#F2F5EF;}
  .site-footer a:hover{color:var(--accent);}
  .footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:18px;}

  /* mobile tab */
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--surface);
    border-top:1px solid var(--border);
    display:grid;grid-template-columns:repeat(5,1fr);
    box-shadow:0 -8px 24px -18px rgba(12,31,26,.35);
  }
  .tab-item{
    position:relative;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    font-size:10.5px;font-weight:500;color:var(--muted);
    transition:color .2s var(--ease);
  }
  .tab-item.is-active{color:var(--primary);font-weight:600;}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:999px;background:var(--accent);
  }
  .tab-item:hover{color:var(--primary);}

  .mobile-panel{
    display:none;
    border-top:1px solid var(--border);
    background:var(--surface);
  }
  .mobile-panel.is-open{display:block;}
  .mobile-panel a{
    display:block;padding:14px 20px;font-size:15px;font-weight:500;
    border-bottom:1px solid var(--border);
  }
  .mobile-panel a.is-active{color:var(--primary);font-weight:700;background:rgba(15,77,58,.05);}

  @media (min-width:1024px){
    body{padding-bottom:0;}
    .mobile-tab{display:none;}
    .mobile-panel{display:none !important;}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .card:hover,.point-card:hover,.step-item:hover,.btn:hover{transform:none;}
  }

/* roulang page: article */
:root{
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --primary:#0F4D3A;
  --primary-deep:#0A3628;
  --accent:#C8F04A;
  --accent-2:#FF7A2F;
  --ink:#0C1F1A;
  --muted:#5A6B65;
  --border:#E3E4DC;
  --radius-card:16px;
  --radius-panel:18px;
  --radius-btn:12px;
  --shadow-sm:0 1px 2px rgba(12,31,26,.06);
  --shadow-hover:0 12px 32px -12px rgba(12,31,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:0;list-style:none}
table{border-collapse:collapse}
time,span,em{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent);color:var(--primary-deep)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#EFF0E8}
::-webkit-scrollbar-thumb{background:#C6CDC1;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#A9B4A4}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}

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

.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:clamp(22px,3.4vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px;line-height:1.8}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:var(--primary-deep);border-color:rgba(255,255,255,.10);box-shadow:0 10px 26px -18px rgba(0,0,0,.55)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:none;
  background:rgba(15,77,58,.08);display:grid;place-items:center;
  transition:background .24s var(--ease);
}
.site-header.is-scrolled .brand-mark{background:rgba(200,240,74,.16)}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);transition:color .24s var(--ease);white-space:nowrap}
.site-header.is-scrolled .brand-text{color:#F2F5EF}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink);transition:color .2s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:20%;right:20%;bottom:-4px;height:3px;border-radius:999px;background:var(--accent)}
.site-header.is-scrolled .nav-link{color:#D6E0D8}
.site-header.is-scrolled .nav-link:hover{color:#fff}
.site-header.is-scrolled .nav-link.is-active{color:#fff}
.header-actions{display:flex;align-items:center;gap:14px}
.header-login{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s var(--ease)}
.header-login:hover{color:var(--primary)}
.site-header.is-scrolled .header-login{color:#D6E0D8}
.site-header.is-scrolled .header-login:hover{color:#fff}
.search-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--border);color:var(--primary);background:var(--surface);
  transition:all .2s var(--ease);
}
.search-btn:hover{background:rgba(15,77,58,.07);transform:translateY(-1px)}
.site-header.is-scrolled .search-btn{background:transparent;border-color:rgba(255,255,255,.24);color:#F2F5EF}
.menu-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--border);color:var(--primary);background:var(--surface);
  transition:all .2s var(--ease);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.4;white-space:nowrap;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#13624A;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:var(--primary-deep)}
.btn-accent:hover{background:#D6F76D;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(15,77,58,.08)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#F2F5EF;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;transform:none;cursor:not-allowed;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);transition:gap .2s var(--ease),color .2s var(--ease)}
.link-more:hover{gap:10px;color:#13624A}

/* ===== Badges & tags ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6}
.badge-cat{background:rgba(15,77,58,.08);color:var(--primary)}
.badge-hot{background:var(--accent-2);color:#fff}
.tag-pill{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:rgba(15,77,58,.07);color:var(--primary);font-size:13px;font-weight:600;transition:background .2s var(--ease),color .2s var(--ease)}
.tag-pill:hover{background:rgba(200,240,74,.45);color:var(--primary-deep)}

/* ===== Breadcrumb ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb-sep{color:#B7C0B4}
.crumb-current{max-width:min(56vw,460px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}

/* ===== Article head ===== */
.article-head{margin-top:18px;padding-bottom:28px;border-bottom:1px solid var(--border)}
.article-title{
  margin-top:16px;
  font-size:clamp(26px,4.4vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--muted);font-weight:500}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3CBC1;flex:none}
.meta-strong{color:var(--primary);font-weight:600}

/* ===== Layout ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:56px}
}
.article-main{min-width:0}
.article-aside{display:none}
@media (min-width:1024px){
  .article-aside{display:block;position:sticky;top:104px;align-self:start}
}
.aside-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm)}
.aside-card+.aside-card{margin-top:20px}
.aside-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-title::before{content:"";width:4px;height:14px;border-radius:999px;background:var(--accent)}
.aside-list li+li{margin-top:12px}
.aside-list a{display:flex;gap:8px;font-size:14px;line-height:1.7;color:var(--muted);transition:color .2s var(--ease)}
.aside-list a:hover{color:var(--primary)}
.aside-list .idx{font-weight:800;color:#BAC3B7;font-variant-numeric:tabular-nums}
.aside-list a:hover .idx{color:var(--accent-2)}
.aside-tip{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);line-height:1.75}

/* ===== Article body ===== */
.article-body{max-width:760px;margin-top:32px;font-size:17.5px;line-height:1.9;color:#17231F;overflow-wrap:break-word}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  margin:2.2em 0 .8em;padding-left:14px;
  border-left:4px solid var(--primary);
  font-size:clamp(21px,2.6vw,27px);font-weight:700;line-height:1.35;color:var(--ink);
}
.article-body h3{margin:1.8em 0 .6em;font-size:19px;font-weight:600;line-height:1.45;color:var(--ink)}
.article-body h4{margin:1.6em 0 .5em;font-size:17px;font-weight:600;color:var(--ink)}
.article-body ul{list-style:disc;padding-left:1.5em;margin:0 0 1.5em}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.5em}
.article-body li{margin:.6em 0}
.article-body blockquote{
  margin:1.8em 0;padding:16px 20px;
  border-left:3px solid var(--accent);background:#FBFBF7;border-radius:12px;
  color:var(--muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.8em auto;max-width:100%;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease)}
.article-body a:hover{color:#13624A}
.article-body strong{font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
.article-body code{background:#F1F2EA;padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  font-size:15px;border:1px solid var(--border);border-radius:14px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
.article-body th{background:var(--primary);color:#fff;font-weight:600}
.article-body tbody tr:nth-child(even){background:#FBFBF7}

.empty-article{
  margin-top:32px;padding:56px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-panel);
}
.empty-article .empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:rgba(15,77,58,.07);display:grid;place-items:center}
.empty-article h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-article p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ===== Action row ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;padding-top:26px;border-top:1px solid var(--border)}
.action-label{font-size:13.5px;color:var(--muted);font-weight:500;margin-right:4px}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;color:var(--primary);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.icon-btn:hover{background:rgba(15,77,58,.07);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.icon-btn.is-done{background:rgba(200,240,74,.45);border-color:rgba(15,77,58,.2)}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ===== Content cards ===== */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.content-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.content-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEFE8}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.content-card:hover .thumb img{transform:scale(1.02)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:19px;font-weight:600;line-height:1.45;color:var(--ink)}
.card-desc{font-size:14px;color:var(--muted);line-height:1.8}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}

/* ===== CTA band ===== */
.cta-band{
  background:var(--primary-deep);color:#F2F5EF;
  border-radius:var(--radius-panel);
  padding:40px 24px;text-align:center;
  background-image:linear-gradient(rgba(10,54,40,.92),rgba(10,54,40,.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
@media (min-width:768px){.cta-band{padding:56px 48px}}
.cta-band h2{font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.3;color:#fff}
.cta-band p{margin:16px auto 26px;max-width:640px;font-size:15px;line-height:1.85;color:#A9BAB1}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);color:#F2F5EF;margin-top:8px}
.footer-title{font-size:14px;font-weight:700;color:#FFFFFF;letter-spacing:.02em;margin-bottom:16px}
.site-footer a{color:#A9BAB1;transition:color .2s var(--ease)}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#A9BAB1}

/* ===== Mobile menu ===== */
.mobile-menu{position:fixed;inset:0;z-index:80;background:rgba(10,54,40,.52)}
.mobile-menu[hidden]{display:none}
.mobile-menu-panel{
  position:absolute;top:0;right:0;width:min(86vw,330px);height:100%;
  background:var(--surface);padding:22px 18px 32px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mobile-menu-link{display:block;padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--border);transition:background .2s var(--ease),color .2s var(--ease)}
.mobile-menu-link:hover{background:rgba(15,77,58,.06);color:var(--primary)}
.mobile-menu-link.is-active{color:var(--primary);font-weight:700}
.mobile-menu-cta{margin-top:20px}

/* ===== Mobile tabbar ===== */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:1;position:relative;padding:8px 0 6px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;color:var(--muted);transition:color .2s var(--ease);
}
.mobile-tabbar a.is-active{color:var(--primary);font-weight:600}
.mobile-tabbar a.is-active::before{content:"";position:absolute;top:0;width:28px;height:2px;border-radius:999px;background:var(--accent)}
@media (min-width:768px){.mobile-tabbar{display:none}}
@media (max-width:767px){body{padding-bottom:76px}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --primary:#0F4D3A;
    --primary-deep:#0A3628;
    --primary-soft:#14624A;
    --accent:#C8F04A;
    --accent-2:#FF7A2F;
    --ink:#0C1F1A;
    --muted:#5A6B65;
    --border:#E3E4DC;
    --on-dark:#F2F5EF;
    --on-dark-muted:#A9BAB1;
    --radius-card:16px;
    --radius-panel:18px;
    --radius-btn:12px;
    --shadow-1:0 1px 2px rgba(12,31,26,.06);
    --shadow-2:0 12px 32px -12px rgba(12,31,26,.20);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::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','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    padding-bottom:76px;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:768px){ body{padding-bottom:0;} }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

  .container-site{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){ .container-site{padding-left:32px;padding-right:32px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    height:72px;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .site-header.is-solid{
    background:var(--primary-deep);
    border-bottom-color:transparent;
    box-shadow:0 10px 30px -18px rgba(12,31,26,.55);
  }
  .logo-mark{
    width:40px;height:40px;flex:none;border-radius:12px;
    background:var(--primary);color:var(--accent);
    display:grid;place-items:center;
    transition:background-color .24s var(--ease),color .24s var(--ease);
  }
  .logo-text{
    font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
    transition:color .24s var(--ease);
  }
  .site-header.is-solid .logo-mark{background:rgba(200,240,74,.16);color:var(--accent);}
  .site-header.is-solid .logo-text{color:#fff;}

  .nav-link{
    position:relative;
    display:inline-block;
    font-size:15px;font-weight:500;color:var(--ink);
    padding:6px 2px;
    transition:color .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link.is-active{font-weight:600;color:var(--primary);}
  .nav-link.is-active::after{
    content:'';position:absolute;left:20%;right:20%;bottom:-8px;height:3px;
    border-radius:999px;background:var(--accent);
  }
  .site-header.is-solid .nav-link{color:var(--on-dark);}
  .site-header.is-solid .nav-link:hover{color:var(--accent);}
  .site-header.is-solid .nav-link.is-active{color:#fff;}

  .icon-btn{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
    background:transparent;display:inline-grid;place-items:center;color:var(--primary);
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .icon-btn:hover{background:rgba(15,77,58,.08);}
  .site-header.is-solid .icon-btn{border-color:rgba(242,245,239,.28);color:#fff;}
  .site-header.is-solid .icon-btn:hover{background:rgba(242,245,239,.12);}
  .top-login{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s var(--ease);}
  .top-login:hover{color:var(--primary);}
  .site-header.is-solid .top-login{color:var(--on-dark-muted);}
  .site-header.is-solid .top-login:hover{color:var(--accent);}

  .mobile-menu{
    position:absolute;left:0;right:0;top:72px;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px -20px rgba(12,31,26,.35);
    padding:12px 20px 20px;
    display:flex;flex-direction:column;gap:2px;
  }
  .mobile-menu a{
    padding:12px 10px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink);
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .mobile-menu a:hover{background:rgba(15,77,58,.06);}
  .mobile-menu a.is-active{color:var(--primary);background:rgba(15,77,58,.08);}

  /* ---------- Buttons / badges ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);border:1px solid transparent;
    padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
    cursor:pointer;
    transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),opacity .2s var(--ease);
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--primary-soft);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-accent{background:var(--accent);color:var(--primary-deep);}
  .btn-accent:hover{background:#d6f76a;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent;}
  .btn-ghost:hover{background:rgba(15,77,58,.08);}
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn:active{transform:translateY(0);}
  .btn[disabled]{opacity:.45;pointer-events:none;}

  .badge{
    display:inline-flex;align-items:center;
    padding:4px 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1.6;
    background:rgba(15,77,58,.08);color:var(--primary);
    white-space:nowrap;
  }
  .badge--hot{background:var(--accent-2);color:#fff;}

  .tag{
    display:inline-flex;align-items:center;
    padding:6px 14px;border-radius:999px;
    font-size:13px;font-weight:600;
    border:1px solid var(--border);background:#fff;color:var(--muted);
  }

  .link-arrow{
    display:inline-flex;align-items:center;gap:4px;
    font-size:13.5px;font-weight:600;color:var(--primary);
    transition:gap .2s var(--ease),color .2s var(--ease);
  }
  .link-arrow:hover{gap:8px;color:var(--primary-soft);}

  /* ---------- Category hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;
    padding:44px 0 40px;
    border-bottom:1px solid var(--border);
    background-image:
      linear-gradient(180deg,rgba(247,246,241,.94),rgba(247,246,241,.97)),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }
  @media (min-width:768px){ .cat-hero{padding:60px 0 52px;} }
  .cat-hero h1{
    font-size:clamp(26px,4.6vw,42px);
    font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink);
  }
  .cat-hero .hero-sub{
    margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);max-width:58ch;
  }

  .filter-shell{
    display:inline-flex;gap:6px;padding:6px;border-radius:999px;
    background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-1);
  }
  .pill{
    padding:9px 20px;border-radius:999px;border:1px solid transparent;background:transparent;
    font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;
    transition:background-color .2s var(--ease),color .2s var(--ease);
    white-space:nowrap;
  }
  .pill:hover{color:var(--primary);background:rgba(15,77,58,.06);}
  .pill.is-active{background:var(--primary);color:#fff;}
  .pill.is-active:hover{background:var(--primary-soft);color:#fff;}

  .update-bar{
    margin-top:26px;
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
    padding:12px 18px;border-radius:14px;
    background:rgba(15,77,58,.06);
    border:1px solid rgba(15,77,58,.10);
    font-size:13.5px;color:var(--primary);
  }
  .update-bar strong{font-weight:700;}
  .update-bar .dot{width:8px;height:8px;border-radius:999px;background:var(--accent-2);flex:none;}

  /* ---------- Cards ---------- */
  .card{
    display:flex;flex-direction:column;height:100%;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D9CE;}
  .card-media{
    display:block;aspect-ratio:16/10;overflow:hidden;background:#EFEFE8;
  }
  .card-media img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .35s var(--ease);
  }
  .card:hover .card-media img{transform:scale(1.02);}
  .card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1;}
  .card-title{
    font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-title a{transition:color .2s var(--ease);}
  .card-title a:hover{color:var(--primary);}
  .card-desc{
    font-size:14.5px;line-height:1.85;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);
  }

  /* ---------- Pagination ---------- */
  .page-btn{
    min-width:42px;height:42px;padding:0 14px;
    display:inline-grid;place-items:center;
    border-radius:12px;border:1px solid var(--border);background:#fff;
    font-size:14px;font-weight:600;color:var(--muted);
    transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
  }
  .page-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
  .page-btn.is-current{background:var(--primary);border-color:var(--primary);color:#fff;}
  .page-btn.is-current:hover{color:#fff;}
  .page-btn.is-disabled{opacity:.45;pointer-events:none;}

  /* ---------- Subscribe ---------- */
  .subscribe-panel{
    background:var(--primary-deep);
    border-radius:var(--radius-panel);
    padding:32px 28px;
    display:grid;gap:24px;
  }
  @media (min-width:1024px){
    .subscribe-panel{grid-template-columns:1fr auto;align-items:center;padding:40px 44px;}
  }
  .subscribe-panel h2{
    font-size:clamp(20px,3vw,28px);font-weight:700;line-height:1.3;color:#fff;
  }
  .subscribe-panel p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--on-dark-muted);max-width:52ch;}
  .subscribe-form{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
  .subscribe-form .field{position:relative;}
  .subscribe-form input{
    height:48px;width:100%;min-width:250px;
    padding:0 16px;border-radius:12px;
    border:1px solid transparent;background:#fff;color:var(--ink);
    font-size:15px;
    transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .subscribe-form input::placeholder{color:rgba(90,107,101,.7);}
  .subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(200,240,74,.45);}
  .form-msg{flex-basis:100%;font-size:13px;line-height:1.7;margin:0;}
  .form-msg.is-error{color:#FFB4A0;}
  .form-msg.is-ok{color:#C8F04A;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--primary-deep);color:var(--on-dark);}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .site-footer a{color:var(--on-dark-muted);transition:color .2s var(--ease);}
  .site-footer a:hover{color:var(--accent);}
  .site-footer .btn-accent:hover{color:var(--primary-deep);}

  /* ---------- Mobile tab bar ---------- */
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    position:relative;flex:1;
    display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:9px 0 10px;
    font-size:10.5px;font-weight:600;color:var(--muted);
    transition:color .2s var(--ease);
  }
  .mobile-tab a.is-active{color:var(--primary);}
  .mobile-tab a.is-active::before{
    content:'';position:absolute;top:0;width:22px;height:2px;border-radius:999px;background:var(--accent);
  }
  @media (min-width:768px){ .mobile-tab{display:none;} }

  .section-gap{padding-top:56px;padding-bottom:56px;}
  @media (min-width:768px){ .section-gap{padding-top:96px;padding-bottom:96px;} }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category3 */
:root{
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --primary:#0F4D3A;
  --primary-deep:#0A3628;
  --accent:#C8F04A;
  --accent-2:#FF7A2F;
  --ink:#0C1F1A;
  --muted:#5A6B65;
  --border:#E3E4DC;
  --radius-card:16px;
  --radius-panel:18px;
  --radius-btn:12px;
  --shadow-sm:0 1px 2px rgba(12,31,26,.06);
  --shadow-lg:0 12px 32px -12px rgba(12,31,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::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","Hiragino Sans GB","Microsoft YaHei",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}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.num{font-variant-numeric:tabular-nums}

.container-site{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container-site{padding-left:32px;padding-right:32px}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--primary);
  display:grid;place-items:center;
  flex:none;
  transition:background .24s var(--ease);
}
.brand-text{
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.site-header.is-scrolled{
  background:var(--primary-deep);
  border-color:transparent;
  box-shadow:0 10px 30px -18px rgba(12,31,26,.7);
}
.site-header.is-scrolled .brand-text,
.site-header.is-scrolled .nav-link,
.site-header.is-scrolled .login-link,
.site-header.is-scrolled .icon-btn{color:#F2F5EF}
.site-header.is-scrolled .brand-mark{background:rgba(200,240,74,.16)}
.site-header.is-scrolled .nav-link.is-active{color:#F2F5EF}
.site-header.is-scrolled .icon-btn:hover{background:rgba(242,245,239,.12)}
.site-header.is-scrolled .login-link:hover{color:var(--accent)}

.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 2px;
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{font-weight:600;color:var(--primary)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:20%;right:20%;bottom:-6px;
  height:3px;
  border-radius:999px;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:rgba(15,77,58,.08);color:var(--primary)}
.login-link{
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 8px;
  transition:color .2s var(--ease);
  display:none;
}
.login-link:hover{color:var(--primary)}
@media (min-width:1024px){
  .login-link{display:inline-block}
}

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  background:var(--primary);
  color:#FFFFFF;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{background:#136049;transform:translateY(-1px);box-shadow:var(--shadow-lg);color:#FFFFFF}
.btn-primary:active{transform:translateY(0)}

.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:var(--primary-deep);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
  box-shadow:var(--shadow-sm);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-lg);color:var(--primary-deep)}
.btn-accent:active{transform:translateY(0)}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  background:transparent;
  border:1px solid var(--primary);
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(15,77,58,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}

.header-cta{padding:10px 18px;font-size:14px}

/* 移动端抽屉 */
.mobile-panel{
  display:none;
  border-top:1px solid var(--border);
  background:var(--surface);
  padding:12px 20px 20px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;
  padding:13px 4px;
  font-size:15.5px;
  font-weight:500;
  color:var(--ink);
  border-bottom:1px solid var(--border);
}
.mobile-panel a:last-child{border-bottom:none}
.mobile-panel a.is-active{color:var(--primary);font-weight:700}
@media (min-width:1024px){
  .mobile-panel{display:none !important}
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--primary-deep);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F2F5EF;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,54,40,.95) 0%,rgba(10,54,40,.88) 48%,rgba(10,54,40,.66) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:1;
  padding:44px 0 56px;
  display:grid;
  gap:32px;
}
@media (min-width:1024px){
  .page-hero-inner{padding:56px 0 76px;grid-template-columns:1.15fr .85fr;align-items:center;gap:56px}
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:#A9BAB1;
  margin-bottom:22px;
}
.crumb a{color:#A9BAB1;transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb span[aria-current]{color:#F2F5EF}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.5;
}
.badge-soft{background:rgba(15,77,58,.08);color:var(--primary)}
.badge-dark{background:rgba(200,240,74,.16);color:var(--accent)}
.badge-accent{background:var(--accent-2);color:#FFFFFF}

.page-hero h1{
  font-size:clamp(28px,5.2vw,48px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#FFFFFF;
  margin-top:18px;
  max-width:16em;
}
.page-hero .lead{
  margin-top:20px;
  font-size:clamp(16px,2vw,18px);
  line-height:1.85;
  color:#DCE5DD;
  max-width:34em;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-stats{
  margin-top:34px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  max-width:520px;
}
.hero-stat{
  border-left:2px solid rgba(200,240,74,.5);
  padding-left:14px;
}
.hero-stat .v{
  font-size:26px;
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
}
.hero-stat .k{
  margin-top:4px;
  font-size:13px;
  color:#A9BAB1;
}
.hero-visual{
  border-radius:var(--radius-card);
  overflow:hidden;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(242,245,239,.14);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.7);
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-visual-bar{
  padding:16px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:#DCE5DD;
}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){
  .section{padding:96px 0}
}
.section-head{max-width:760px;margin-bottom:32px}
@media (min-width:1024px){
  .section-head{margin-bottom:44px}
}
.section-head h2{
  font-size:clamp(22px,3.4vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.06em;
  margin-bottom:12px;
}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-panel);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto}
table.compare{min-width:760px}
table.compare thead th{
  background:var(--primary);
  color:#FFFFFF;
  font-size:15px;
  font-weight:600;
  text-align:left;
  padding:18px 22px;
  white-space:nowrap;
}
table.compare thead th.col-rec{
  background:#136049;
  box-shadow:inset 0 0 0 1.5px var(--accent);
}
.rec-badge{
  display:inline-flex;
  align-items:center;
  margin-left:8px;
  padding:3px 9px;
  border-radius:999px;
  background:var(--accent-2);
  color:#FFFFFF;
  font-size:11.5px;
  font-weight:700;
}
table.compare tbody th,
table.compare tbody td{
  padding:16px 22px;
  font-size:15px;
  text-align:left;
  border-bottom:1px solid var(--border);
  color:var(--ink);
  white-space:nowrap;
}
table.compare tbody th{
  font-weight:600;
  position:sticky;
  left:0;
  background:var(--surface);
  z-index:2;
}
table.compare tbody tr:nth-child(even) td,
table.compare tbody tr:nth-child(even) th{background:#FBFBF7}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody td.col-rec{background:rgba(200,240,74,.10)}
table.compare tbody tr:nth-child(even) td.col-rec{background:rgba(200,240,74,.14)}
.mark-yes{
  width:22px;height:22px;
  border-radius:999px;
  background:var(--accent);
  display:inline-grid;
  place-items:center;
}
.mark-yes svg{width:13px;height:13px}
.mark-no{color:var(--muted);font-weight:600}
.table-note{
  margin-top:18px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}
.table-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

@media (max-width:767px){
  .table-wrap{background:transparent;border:none;box-shadow:none;border-radius:0}
  .table-scroll{overflow:visible}
  table.compare{min-width:0;display:block}
  table.compare thead{display:none}
  table.compare tbody{display:block}
  table.compare tbody tr{
    display:block;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:14px;
    padding:6px 4px;
    margin-bottom:14px;
    box-shadow:var(--shadow-sm);
  }
  table.compare tbody th,
  table.compare tbody td{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    width:100%;
    padding:10px 16px;
    border-bottom:none;
    white-space:normal;
    font-size:14px;
    background:transparent !important;
    position:static;
  }
  table.compare tbody th{
    font-size:16px;
    font-weight:700;
    padding-bottom:12px;
    margin-bottom:4px;
    border-bottom:1px solid var(--border);
  }
  table.compare tbody td::before{
    content:attr(data-level);
    color:var(--muted);
    font-size:13.5px;
    font-weight:500;
    flex:none;
  }
  table.compare tbody td.col-rec{box-shadow:none}
}

/* ---------- 等级长卡 ---------- */
.level-list{display:grid;gap:20px}
.level-row{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px;
  display:grid;
  gap:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.level-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
@media (min-width:1024px){
  .level-row{
    grid-template-columns:230px minmax(0,1fr) 200px;
    align-items:center;
    gap:32px;
    padding:28px 32px;
  }
}
.level-row.is-featured{border-color:var(--accent);box-shadow:0 0 0 1.5px var(--accent) inset,var(--shadow-sm)}
.level-row.is-featured:hover{box-shadow:0 0 0 1.5px var(--accent) inset,var(--shadow-lg)}
.level-id{display:flex;flex-direction:column;gap:6px}
.level-top{display:flex;align-items:center;gap:10px}
.level-num{
  font-size:28px;
  font-weight:800;
  line-height:1;
  color:var(--primary);
  letter-spacing:-.02em;
}
.level-id h3{font-size:19px;font-weight:700}
.level-id p{font-size:13.5px;color:var(--muted);line-height:1.7}
.level-points{display:grid;gap:10px}
.level-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
}
.dot-check{
  width:18px;height:18px;
  flex:none;
  margin-top:5px;
  border-radius:999px;
  background:var(--accent);
  display:grid;
  place-items:center;
}
.dot-check svg{width:11px;height:11px}
.level-cta{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.level-cta .hint{font-size:13px;color:var(--muted)}
@media (min-width:1024px){
  .level-cta{align-items:flex-end;text-align:right}
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:20px 0;
  transition:padding-left .22s var(--ease),border-color .22s var(--ease);
  border-left:3px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover .faq-q{color:var(--primary)}
.faq-item[open] summary{border-left-color:var(--accent);padding-left:16px}
.faq-num{
  flex:none;
  width:32px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.faq-item[open] .faq-num{color:var(--primary)}
.faq-q{
  flex:1;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-icon{
  flex:none;
  width:22px;height:22px;
  margin-top:3px;
  color:var(--muted);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary)}
.faq-a{
  padding:0 0 22px 48px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:760px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background-color:var(--primary-deep);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#F2F5EF;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,54,40,.96) 0%,rgba(10,54,40,.86) 60%,rgba(10,54,40,.72) 100%);
}
.cta-band-inner{
  position:relative;
  z-index:1;
  padding:56px 0;
  display:grid;
  gap:24px;
}
@media (min-width:1024px){
  .cta-band-inner{padding:76px 0;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:48px}
}
.cta-band h2{
  font-size:clamp(22px,3.4vw,34px);
  font-weight:700;
  line-height:1.3;
  color:#FFFFFF;
}
.cta-band p{margin-top:14px;font-size:15.5px;color:#C4D1C9;max-width:44em}
.cta-band small{display:block;margin-top:14px;font-size:13.5px;color:#A9BAB1}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--primary-deep);
  color:#F2F5EF;
}
.site-footer .footer-title{
  font-size:15px;
  font-weight:700;
  color:#F2F5EF;
  margin-bottom:18px;
}
.site-footer a{
  color:#A9BAB1;
  font-size:14px;
  transition:color .2s var(--ease);
}
.site-footer a:hover{color:var(--accent)}
.footer-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:20px;
  padding:10px 18px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(200,240,74,.4);
  color:#F2F5EF;
  font-size:14px;
  font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-btn:hover{background:rgba(200,240,74,.14);color:var(--accent);border-color:var(--accent)}
.footer-bottom{
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid rgba(242,245,239,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:#8FA3A0;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:flex;
  background:#FFFFFF;
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 24px -18px rgba(12,31,26,.5);
}
.mobile-tabbar a{
  flex:1;
  min-height:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10.5px;
  font-weight:500;
  color:var(--muted);
  position:relative;
  transition:color .2s var(--ease);
}
.mobile-tabbar a svg{width:22px;height:22px}
.mobile-tabbar a.is-active{color:var(--primary);font-weight:600}
.mobile-tabbar a.is-active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:2px;
  border-radius:999px;
  background:var(--accent);
}
@media (min-width:768px){
  .mobile-tabbar{display:none}
}

.page-body{padding-bottom:76px}
@media (min-width:768px){
  .page-body{padding-bottom:0}
}

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

/* roulang page: category4 */
:root{
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --primary:#0F4D3A;
    --primary-deep:#0A3628;
    --accent:#C8F04A;
    --accent-2:#FF7A2F;
    --ink:#0C1F1A;
    --muted:#5A6B65;
    --border:#E3E4DC;
    --r-card:16px;
    --r-panel:18px;
    --r-btn:12px;
    --shadow:0 1px 2px rgba(12,31,26,.06);
    --shadow-hover:0 12px 32px -12px rgba(12,31,26,.20);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:104px;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    font-variant-numeric:tabular-nums;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul{list-style:none;padding:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}

  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:#EFEEE7;}
  ::-webkit-scrollbar-thumb{background:#C6CBC1;border-radius:999px;border:2px solid #EFEEE7;}
  ::-webkit-scrollbar-thumb:hover{background:var(--primary);}

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

  /* ===== 顶部导航 ===== */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{
    background:var(--primary-deep);
    border-bottom-color:rgba(255,255,255,.12);
    box-shadow:0 10px 30px -18px rgba(10,54,40,.7);
  }
  .brand-icon{background:rgba(15,77,58,.10);transition:background-color .24s var(--ease);}
  .brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);transition:color .24s var(--ease);}
  .site-header.is-scrolled .brand-icon{background:rgba(200,240,74,.16);}
  .site-header.is-scrolled .brand-text{color:#F2F5EF;}

  .nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;display:inline-block;}
  .nav-link:hover{color:var(--primary);}
  .nav-link.is-active{font-weight:600;color:var(--primary);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);
    bottom:-8px;width:60%;height:3px;border-radius:999px;background:var(--accent);
  }
  .site-header.is-scrolled .nav-link{color:#DDE7DF;}
  .site-header.is-scrolled .nav-link:hover{color:var(--accent);}
  .site-header.is-scrolled .nav-link.is-active{color:#FFFFFF;}

  .icon-btn{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    border:1px solid var(--border);background:transparent;color:var(--ink);cursor:pointer;
    transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
  }
  .icon-btn:hover{background:rgba(15,77,58,.08);border-color:rgba(15,77,58,.24);transform:translateY(-1px);}
  .site-header.is-scrolled .icon-btn{border-color:rgba(255,255,255,.22);color:#F2F5EF;}
  .site-header.is-scrolled .icon-btn:hover{background:rgba(255,255,255,.10);}

  .head-link{font-size:14px;font-weight:500;color:var(--muted);}
  .head-link:hover{color:var(--primary);}
  .site-header.is-scrolled .head-link{color:#A9BAB1;}
  .site-header.is-scrolled .head-link:hover{color:var(--accent);}

  /* ===== 移动端菜单面板 ===== */
  .mobile-menu{
    display:none;
    border-top:1px solid var(--border);
    background:var(--surface);
  }
  .mobile-menu.is-open{display:block;}
  .mobile-menu a{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 20px;font-size:15px;font-weight:500;color:var(--ink);
    border-bottom:1px solid var(--border);
  }
  .mobile-menu a:hover{background:rgba(15,77,58,.05);color:var(--primary);}
  .mobile-menu a.is-active{color:var(--primary);font-weight:600;}

  /* ===== 按钮 / 徽章 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:background-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
  }
  .btn-accent{background:var(--accent);color:#0A2A1E;}
  .btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(10,54,40,.6);}
  .btn-accent:active{transform:translateY(0);box-shadow:none;}
  .btn-primary{background:var(--primary);color:#fff;}
  .btn-primary:hover{background:#13624A;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(10,54,40,.6);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
  .btn-outline:hover{background:rgba(15,77,58,.08);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
  .btn:disabled,.btn[aria-disabled="true"]{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;
  }
  .badge-cat{background:rgba(15,77,58,.08);color:var(--primary);}
  .badge-hot{background:var(--accent-2);color:#fff;}
  .badge-soft{background:rgba(255,255,255,.14);color:#F2F5EF;border:1px solid rgba(255,255,255,.22);}

  /* ===== 面包屑 ===== */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--muted);flex-wrap:wrap;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#B9C1BA;}
  .breadcrumb .current{color:var(--muted);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ===== 帮助中心标题区 ===== */
  .hero-help{
    position:relative;overflow:hidden;
    background:linear-gradient(180deg,#FCFCF8 0%,#F7F6F1 100%);
    border-bottom:1px solid var(--border);
  }
  .hero-help::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-1.png);
    background-size:cover;background-position:center;
    opacity:.10;pointer-events:none;
  }
  .hero-help > *{position:relative;z-index:1;}
  .hero-title{
    font-size:clamp(28px,5.2vw,50px);
    font-weight:800;line-height:1.15;letter-spacing:-.02em;
    color:var(--ink);
  }
  .hero-lead{
    font-size:clamp(16px,2.1vw,19px);
    line-height:1.75;color:#2C3F39;max-width:640px;
  }
  .hero-search{
    display:flex;gap:10px;background:var(--surface);
    border:1px solid var(--border);border-radius:16px;
    padding:8px;box-shadow:var(--shadow);
    max-width:620px;
  }
  .hero-search input{
    flex:1;border:0;background:transparent;height:48px;padding:0 12px;font-size:15px;
  }
  .hero-search input:focus{outline:none;}
  .hero-search input::placeholder{color:rgba(90,107,101,.7);}
  .hero-figure{
    border-radius:var(--r-card);overflow:hidden;
    border:1px solid var(--border);background:#EFEEE7;
    box-shadow:var(--shadow);
  }
  .hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}

  /* ===== 要点小卡 ===== */
  .mini-card{
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-card);padding:22px 20px;height:100%;
    box-shadow:var(--shadow);
    transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
  }
  .mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,77,58,.22);}
  .mini-icon{
    width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
    background:rgba(15,77,58,.08);color:var(--primary);margin-bottom:14px;
  }
  .mini-num{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.1;color:var(--primary);letter-spacing:-.01em;}
  .mini-label{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7;}

  /* ===== 侧栏锚点导航 ===== */
  .anchor-nav{position:sticky;top:104px;}
  .anchor-nav-title{
    font-size:13px;font-weight:700;color:var(--muted);
    letter-spacing:.06em;margin-bottom:12px;padding-left:14px;
  }
  .anchor-nav a{
    display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--muted);
    border-left:2px solid var(--border);border-radius:0 8px 8px 0;
    transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
  }
  .anchor-nav a:hover{color:var(--primary);border-left-color:var(--accent);background:rgba(15,77,58,.04);}
  .anchor-nav a.is-current{color:var(--primary);font-weight:600;border-left-color:var(--accent);background:rgba(15,77,58,.06);}

  .anchor-pills{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .anchor-pills::-webkit-scrollbar{height:0;}
  .anchor-pills a{
    flex:0 0 auto;padding:9px 16px;border-radius:999px;
    border:1px solid var(--border);background:var(--surface);
    font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
  }
  .anchor-pills a:hover{border-color:rgba(15,77,58,.3);color:var(--primary);}
  .anchor-pills a.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

  /* ===== 长文分节 ===== */
  .doc-section{scroll-margin-top:110px;}
  .doc-section + .doc-section{margin-top:56px;padding-top:48px;border-top:1px solid var(--border);}
  .doc-section > h2{
    font-size:clamp(22px,3.4vw,30px);font-weight:700;line-height:1.3;
    padding-left:14px;border-left:4px solid var(--primary);
    margin-bottom:18px;
  }
  .doc-section h3{font-size:18px;font-weight:600;line-height:1.5;margin:28px 0 10px;}
  .doc-section p{color:#22352F;margin-bottom:1.35em;}
  .doc-list{margin:0 0 1.4em;}
  .doc-list li{
    position:relative;padding-left:24px;margin-bottom:12px;color:#22352F;line-height:1.8;
  }
  .doc-list li::before{
    content:"";position:absolute;left:2px;top:.72em;
    width:8px;height:8px;border-radius:50%;background:var(--accent);
  }
  .doc-figure{
    border-radius:14px;overflow:hidden;border:1px solid var(--border);
    background:#EFEEE7;margin:22px 0 10px;
  }
  .doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .doc-figure figcaption{font-size:13px;color:var(--muted);text-align:center;padding:10px 12px;background:var(--surface);}

  .note-block{
    background:var(--surface);border:1px solid var(--border);
    border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
    padding:16px 20px;color:#22352F;font-size:15px;margin:0 0 1.4em;
  }

  /* ===== 对比表 ===== */
  .table-wrap{
    border:1px solid var(--border);border-radius:var(--r-panel);
    background:var(--surface);overflow-x:auto;box-shadow:var(--shadow);
  }
  .benefit-table{width:100%;border-collapse:collapse;min-width:620px;font-size:15px;}
  .benefit-table th,.benefit-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);}
  .benefit-table thead th{
    background:var(--primary);color:#fff;font-weight:600;font-size:14px;
    border-bottom:0;white-space:nowrap;
  }
  .benefit-table tbody tr:nth-child(even){background:#FBFBF7;}
  .benefit-table tbody tr:last-child td{border-bottom:0;}
  .benefit-table th:first-child,.benefit-table td:first-child{
    position:sticky;left:0;background:var(--surface);font-weight:600;
    border-right:1px solid var(--border);min-width:180px;
  }
  .benefit-table thead th:first-child{background:var(--primary);color:#fff;}
  .benefit-table tbody tr:nth-child(even) td:first-child{background:#FBFBF7;}
  .cell-yes{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;}
  .cell-no{color:var(--muted);font-weight:500;}

  /* ===== FAQ ===== */
  .faq-panel{
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-panel);padding:8px 26px;box-shadow:var(--shadow);
  }
  .faq-list{border-top:1px solid transparent;}
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-item:last-child{border-bottom:0;}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
    padding:22px 0;position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-num{font-size:14px;font-weight:600;color:var(--muted);min-width:28px;padding-top:3px;font-variant-numeric:tabular-nums;transition:color .22s var(--ease);}
  .faq-q{flex:1;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);}
  .faq-icon{
    flex:0 0 auto;width:22px;height:22px;margin-top:3px;color:var(--muted);
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .faq-item summary:hover .faq-q{color:var(--primary);}
  .faq-item summary:hover .faq-num{color:var(--primary);}
  .faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary);}
  .faq-item[open] .faq-num{color:var(--primary);}
  .faq-item[open] summary::before{
    content:"";position:absolute;left:-18px;top:24px;bottom:24px;
    width:3px;border-radius:999px;background:var(--accent);
  }
  .faq-a{padding:0 0 22px 44px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ===== 表单 ===== */
  .form-panel{
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-panel);padding:28px;box-shadow:var(--shadow);
  }
  @media (min-width:768px){.form-panel{padding:32px;}}
  .field{margin-bottom:20px;}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
  .field .req{color:var(--accent-2);margin-left:2px;}
  .field input,.field select,.field textarea{
    width:100%;background:#fff;border:1px solid var(--border);border-radius:12px;
    padding:0 14px;height:48px;color:var(--ink);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.8;resize:vertical;}
  .field input::placeholder,.field textarea::placeholder{color:rgba(90,107,101,.7);}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(15,77,58,.14);
  }
  .field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#B3261E;}
  .field-error{display:none;font-size:13px;color:#B3261E;margin-top:6px;}
  .field.has-error .field-error{display:block;}
  .form-success{
    display:none;align-items:flex-start;gap:12px;
    background:rgba(46,125,91,.08);border:1px solid rgba(46,125,91,.3);
    border-radius:12px;padding:14px 16px;font-size:14px;color:#1F5C43;margin-bottom:20px;
  }
  .form-success.is-visible{display:flex;}
  .spinner{
    width:16px;height:16px;border-radius:50%;
    border:2px solid rgba(10,42,30,.3);border-top-color:#0A2A1E;
    animation:spin .8s linear infinite;display:none;
  }
  .btn.is-loading .spinner{display:inline-block;}
  @keyframes spin{to{transform:rotate(360deg);}}

  /* ===== CTA 条 ===== */
  .cta-band{
    position:relative;overflow:hidden;background:var(--primary-deep);color:#F2F5EF;
    border-radius:var(--r-panel);
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-2.png);
    background-size:cover;background-position:center;
    opacity:.20;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(10,54,40,.94) 0%,rgba(10,54,40,.78) 60%,rgba(10,54,40,.6) 100%);
  }
  .cta-band > *{position:relative;z-index:2;}
  .cta-title{font-size:clamp(22px,3.4vw,32px);font-weight:700;line-height:1.3;}
  .cta-sub{color:#A9BAB1;font-size:15px;}

  /* ===== 页脚 ===== */
  .site-footer{background:var(--primary-deep);color:#F2F5EF;}
  .footer-title{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:18px;letter-spacing:.02em;}
  .site-footer a{color:#A9BAB1;font-size:14px;}
  .site-footer a:hover{color:var(--accent);}
  .footer-line{border-top:1px solid rgba(255,255,255,.12);}

  /* ===== 移动底部 Tab ===== */
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;background:var(--surface);border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px -18px rgba(12,31,26,.4);
  }
  .mobile-tab a{
    flex:1;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:10.5px;font-weight:500;color:var(--muted);position:relative;
  }
  .mobile-tab a svg{stroke:currentColor;}
  .mobile-tab a.is-active{color:var(--primary);font-weight:600;}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:28px;height:2px;border-radius:999px;background:var(--accent);
  }
  @media (min-width:768px){.mobile-tab{display:none;}}
  @media (max-width:767px){body{padding-bottom:76px;}}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  }