/* roulang page: index */
:root{
    --c-primary:#0B6E5F;
    --c-primary-700:#084C42;
    --c-primary-900:#062F2A;
    --c-accent:#FF5A1F;
    --c-accent-600:#E24A12;
    --c-lime:#D8F24A;
    --c-bg:#F7F5F0;
    --c-surface:#FFFFFF;
    --c-ink:#131A17;
    --c-ink-2:#4A5651;
    --c-line:#E3DFD6;
    --c-line-strong:#CFC9BC;
    --r-card:16px;
    --r-panel:20px;
    --r-btn:12px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(19,26,23,.05), 0 8px 24px -16px rgba(19,26,23,.18);
    --sh-2:0 12px 32px -18px rgba(11,110,95,.35);
    --sect:96px;
    --font-sans:-apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num:ui-monospace, "DIN Alternate", "SF Mono", Consolas, monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--c-bg);
    color:var(--c-ink);
    font-size:16px;
    line-height:1.85;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){ .container{padding:0 28px;} }
  @media (min-width:1024px){ .container{padding:0 40px;} }

  .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

  /* ---------- 顶部信息条 ---------- */
  .topbar{
    background:var(--c-primary-900);
    color:rgba(255,255,255,.88);
    font-size:13px;
    line-height:1;
  }
  .topbar-inner{
    display:flex;align-items:center;justify-content:space-between;
    min-height:38px;gap:16px;
  }
  .topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
  .topbar-domain{font-family:var(--font-num);letter-spacing:.02em;color:#fff;}
  .topbar-dot{width:4px;height:4px;border-radius:50%;background:var(--c-lime);flex:none;}
  .topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-right{display:flex;align-items:center;gap:8px;color:var(--c-lime);flex:none;}
  .topbar-right:hover{color:#fff;}
  @media (max-width:639px){
    .topbar-tip{display:none;}
    .topbar-right span{display:none;}
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--c-surface);
    border-bottom:1px solid transparent;
    transition:box-shadow .25s ease,border-color .25s ease;
  }
  .site-header.is-stuck{
    border-bottom-color:var(--c-line);
    box-shadow:0 6px 20px -18px rgba(19,26,23,.5);
  }
  .nav-inner{
    display:flex;align-items:center;gap:24px;
    height:64px;
    transition:height .25s ease;
  }
  .site-header.is-stuck .nav-inner{height:56px;}

  .logo{display:flex;align-items:center;gap:10px;flex:none;}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;
    background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
    display:grid;place-items:center;flex:none;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
  .logo-sub{font-size:10.5px;color:var(--c-ink-2);letter-spacing:.14em;font-family:var(--font-num);}

  .nav-links{display:none;align-items:center;gap:4px;margin-left:8px;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    height:40px;padding:0 14px;border-radius:10px;
    font-size:15px;color:var(--c-ink-2);
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:var(--c-ink);background:var(--c-bg);}
  .nav-link.active{color:var(--c-ink);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:-12px;height:3px;
    background:var(--c-primary);border-radius:3px;
  }
  .site-header.is-stuck .nav-link.active::after{bottom:-8px;}

  .nav-actions{display:none;align-items:center;gap:10px;margin-left:auto;}
  .nav-burger{
    margin-left:auto;
    width:42px;height:42px;border-radius:11px;
    border:1px solid var(--c-line);background:var(--c-surface);
    display:grid;place-items:center;cursor:pointer;
  }
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-actions{display:flex;}
    .nav-burger{display:none;}
  }

  /* 移动端抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(6,47,42,.42);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:var(--c-surface);z-index:90;
    transform:translateX(100%);transition:transform .28s ease;
    display:flex;flex-direction:column;padding:20px;
    box-shadow:-10px 0 40px -24px rgba(19,26,23,.5);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{
    width:40px;height:40px;border-radius:11px;border:1px solid var(--c-line);
    background:var(--c-surface);cursor:pointer;display:grid;place-items:center;
  }
  .drawer-link{
    display:block;padding:14px 12px;border-radius:12px;
    font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
  }
  .drawer-link:last-of-type{border-bottom:0;}
  .drawer-link.active{color:var(--c-primary);font-weight:600;background:rgba(11,110,95,.06);}
  .drawer-cta{margin-top:auto;display:grid;gap:10px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
    cursor:pointer;white-space:nowrap;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -16px rgba(255,90,31,.9);}
  .btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
  .btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line-strong);}
  .btn-outline:hover{border-color:var(--c-primary);background:rgba(11,110,95,.05);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--c-primary);border-color:transparent;padding:0 14px;}
  .btn-ghost:hover{background:rgba(11,110,95,.06);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .btn:disabled,.btn.is-disabled{opacity:.4;cursor:not-allowed;}
  .btn-block{width:100%;}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--c-primary);font-size:15px;font-weight:600;
  }
  .text-link .arrow{transition:transform .2s ease-out;}
  .text-link:hover .arrow{transform:translateX(4px);}
  .text-link.is-back:hover .arrow{transform:translateX(-4px);}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--sect) 0;}
  @media (max-width:1023px){ .section{padding:72px 0;} }
  @media (max-width:639px){ :root{--sect:56px;} .section{padding:56px 0;} }

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-primary);
    text-transform:uppercase;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--c-primary);}
  .h2-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
  .h3-title{font-size:20px;font-weight:600;line-height:1.45;}
  .lead{font-size:16px;color:var(--c-ink-2);line-height:1.85;}

  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;background:rgba(11,110,95,.1);color:var(--c-primary);
    font-size:12px;font-weight:600;line-height:1;
  }
  .badge-lime{background:rgba(216,242,74,.16);color:var(--c-lime);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    background:var(--c-bg);
    padding:56px 0 72px;
  }
  .hero::after{
    content:"";position:absolute;top:-60px;right:-120px;width:520px;height:420px;
    background:repeating-linear-gradient(135deg,rgba(11,110,95,.055) 0 1px,transparent 1px 14px);
    pointer-events:none;
  }
  .hero-grid{display:grid;gap:40px;align-items:center;position:relative;z-index:1;}
  @media (min-width:1024px){
    .hero{padding:72px 0 96px;min-height:78vh;display:flex;align-items:center;}
    .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
  }
  .hero h1{
    font-size:30px;font-weight:800;line-height:1.28;letter-spacing:-.01em;margin-bottom:20px;
  }
  @media (min-width:768px){ .hero h1{font-size:clamp(38px,4.4vw,54px);} }
  .hero h1 em{font-style:normal;color:var(--c-primary);}
  .hero-sub{font-size:16.5px;line-height:1.85;color:var(--c-ink-2);max-width:56ch;margin-bottom:28px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
  .trust-row{display:flex;flex-wrap:wrap;gap:20px;padding-top:20px;border-top:1px solid var(--c-line);}
  .trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);}
  .trust-item svg{flex:none;color:var(--c-primary);}

  .hero-visual{position:relative;}
  .hero-figure{
    position:relative;border-radius:var(--r-panel);overflow:hidden;
    aspect-ratio:16/10;background:var(--c-bg);border:1px solid var(--c-line);
    box-shadow:var(--sh-1);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure::before{
    content:"";position:absolute;inset:0;background:rgba(11,110,95,.12);z-index:1;
  }
  .hero-float{
    position:absolute;left:16px;bottom:16px;z-index:2;
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:14px;padding:12px 16px;box-shadow:var(--sh-1);
    display:flex;align-items:baseline;gap:8px;
  }
  .hero-float .val{font-size:26px;font-weight:800;line-height:1;color:var(--c-accent);}
  .hero-float .lbl{font-size:12.5px;color:var(--c-ink-2);}

  /* ---------- 指标看板 ---------- */
  .board{
    background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
    color:#fff;
    position:relative;overflow:hidden;
  }
  .board::before{
    content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
    pointer-events:none;
  }
  .board-inner{position:relative;z-index:1;}
  .board-head{margin-bottom:40px;}
  .board-head .eyebrow{color:var(--c-lime);}
  .board-head .eyebrow::before{background:var(--c-lime);}
  .board-head h2{color:#fff;}
  .board-head p{color:rgba(255,255,255,.72);max-width:66ch;margin-top:12px;}
  .board-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  @media (min-width:1024px){ .board-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;} }
  .metric{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--r-card);
    padding:22px 20px;
    position:relative;overflow:hidden;
  }
  .metric::after{
    content:"";position:absolute;top:0;right:0;width:78px;height:78px;
    background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
    background-size:9px 9px;pointer-events:none;
  }
  .metric .val{font-size:clamp(34px,4.2vw,52px);font-weight:800;line-height:1.05;color:#fff;}
  .metric .unit{font-size:14px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.75);}
  .metric .desc{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:10px;line-height:1.7;}
  .metric .bar{height:3px;border-radius:3px;background:rgba(255,255,255,.16);margin-top:16px;overflow:hidden;}
  .metric .bar i{display:block;height:100%;background:var(--c-lime);border-radius:3px;}

  /* ---------- 服务矩阵 ---------- */
  .matrix-grid{display:grid;gap:20px;}
  @media (min-width:1024px){
    .matrix-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}
  }
  .card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
    position:relative;
  }
  .card:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--sh-2);}
  .card:hover .text-link .arrow{transform:translateX(4px);}
  .card-line::before{
    content:"";position:absolute;top:24px;left:0;width:3px;height:26px;
    background:var(--c-primary);border-radius:0 3px 3px 0;
  }
  .span-6{grid-column:span 6;}
  .span-4{grid-column:span 4;}
  .span-3{grid-column:span 3;}
  .span-12{grid-column:span 12;}
  .stack-col{display:grid;gap:24px;align-content:stretch;}
  @media (min-width:1024px){ .stack-col{grid-column:span 6;} }

  .thumb{
    width:100%;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;
    background:var(--c-bg);border:1px solid var(--c-line);margin-bottom:20px;
  }
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .card:hover .thumb img{transform:scale(1.03);}

  .icon-box{
    width:44px;height:44px;border-radius:12px;background:rgba(11,110,95,.1);
    color:var(--c-primary);display:grid;place-items:center;margin-bottom:16px;flex:none;
  }
  .mini-card{border-top:0;}
  .mini-card .divider{height:1px;background:var(--c-line);margin:16px 0 14px;}

  /* ---------- 对比 ---------- */
  .compare-panel{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-panel);
    padding:32px;
    box-shadow:var(--sh-1);
  }
  @media (max-width:639px){ .compare-panel{padding:22px;} }
  .compare-grid{display:grid;gap:28px;position:relative;}
  @media (min-width:900px){
    .compare-grid{grid-template-columns:1fr 1fr;gap:48px;}
    .compare-grid::after{
      content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--c-line);
    }
  }
  .compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:18px;font-weight:600;}
  .compare-col .tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;}
  .tag-muted{background:var(--c-bg);color:var(--c-ink-2);border:1px solid var(--c-line);}
  .tag-strong{background:rgba(11,110,95,.1);color:var(--c-primary);}
  .compare-list li{display:flex;gap:10px;padding:11px 0;font-size:15px;line-height:1.8;border-bottom:1px dashed var(--c-line);}
  .compare-list li:last-child{border-bottom:0;}
  .compare-list .mk{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;margin-top:3px;}
  .mk-off{background:var(--c-bg);color:var(--c-line-strong);border:1px solid var(--c-line);}
  .mk-on{background:rgba(11,110,95,.12);color:var(--c-primary);}
  .data-bar{margin-top:32px;}
  .data-bar-track{display:flex;height:14px;border-radius:999px;overflow:hidden;background:var(--c-bg);border:1px solid var(--c-line);}
  .data-bar-track i:first-child{background:var(--c-line-strong);}
  .data-bar-track i:last-child{background:var(--c-primary);}
  .data-bar-labels{display:flex;justify-content:space-between;margin-top:10px;font-size:13px;color:var(--c-ink-2);}

  /* ---------- 最新信息 ---------- */
  .news-grid{display:grid;gap:20px;}
  @media (min-width:640px){ .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;} }
  .news-card{display:flex;flex-direction:column;padding:20px;}
  .news-card .cover{aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--c-bg);border:1px solid var(--c-line);margin-bottom:16px;}
  .news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .news-card:hover .cover img{transform:scale(1.03);}
  .news-card h3{
    font-size:16.5px;font-weight:600;line-height:1.55;margin:12px 0 8px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-card .sum{
    font-size:14.5px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-meta{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:12.5px;color:var(--c-ink-2);}
  .news-empty{
    min-height:220px;border:1px dashed var(--c-line-strong);border-radius:var(--r-panel);
    background:var(--c-surface);display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:14px;text-align:center;padding:32px 20px;color:var(--c-ink-2);
  }
  .news-empty svg{color:var(--c-line-strong);}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;gap:32px;}
  @media (min-width:1024px){ .faq-grid{grid-template-columns:4fr 8fr;gap:56px;} }
  .faq-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    margin-bottom:12px;overflow:hidden;position:relative;
    transition:border-color .22s ease;
  }
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
    transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
  }
  .faq-item.open::before{transform:scaleY(1);}
  .faq-item.open{border-color:rgba(11,110,95,.35);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:16px;
    min-height:68px;padding:16px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  }
  .faq-idx{font-family:var(--font-num);font-size:13px;color:var(--c-line-strong);flex:none;}
  .faq-text{flex:1;font-size:16px;font-weight:600;line-height:1.6;}
  .faq-sign{
    flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);
    display:grid;place-items:center;color:var(--c-ink-2);transition:transform .22s ease,background .22s ease,color .22s ease;
  }
  .faq-item.open .faq-sign{transform:rotate(45deg);background:rgba(11,110,95,.1);color:var(--c-primary);border-color:transparent;}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .22s ease;
  }
  .faq-a-inner{padding:0 22px 20px 58px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
  @media (max-width:639px){ .faq-a-inner{padding:0 18px 18px 18px;} }

  /* ---------- CTA 表单 ---------- */
  .cta-band{
    background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
    color:#fff;position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
    pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;display:grid;gap:36px;}
  @media (min-width:1024px){ .cta-inner{grid-template-columns:5fr 7fr;gap:56px;align-items:start;} }
  .cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;margin-bottom:16px;}
  .cta-band .lead{color:rgba(255,255,255,.76);}
  .cta-points{margin-top:28px;display:grid;gap:14px;}
  .cta-point{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);}
  .cta-point svg{flex:none;color:var(--c-lime);margin-top:3px;}

  .form-card{background:var(--c-surface);border-radius:var(--r-panel);padding:28px;color:var(--c-ink);box-shadow:0 24px 60px -34px rgba(0,0,0,.5);}
  @media (max-width:639px){ .form-card{padding:20px;} }
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--c-ink);}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
    padding:12px 14px;font-size:15px;background:var(--c-surface);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{resize:vertical;min-height:86px;line-height:1.7;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(11,110,95,.1);
  }
  .form-note{font-size:12.5px;line-height:1.7;color:var(--c-ink-2);margin-top:12px;}
  .form-grid{display:grid;gap:16px;}
  @media (min-width:640px){ .form-grid{grid-template-columns:1fr 1fr;} }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-primary-900);color:rgba(255,255,255,.7);padding:64px 0 28px;font-size:14.5px;}
  .footer-grid{display:grid;gap:36px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr;gap:48px;} }
  .footer-brand .logo-name{color:#fff;}
  .footer-brand .logo-sub{color:rgba(255,255,255,.5);}
  .footer-about{margin-top:16px;line-height:1.9;font-size:14px;color:rgba(255,255,255,.66);max-width:34ch;}
  .footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
  .footer-links li{margin-bottom:11px;}
  .footer-links a{color:rgba(255,255,255,.7);transition:color .2s ease;}
  .footer-links a:hover{color:var(--c-lime);}
  .footer-qr{
    width:104px;height:104px;border-radius:var(--r-img);border:1px dashed rgba(255,255,255,.28);
    display:grid;place-items:center;color:rgba(255,255,255,.45);font-size:12px;text-align:center;line-height:1.5;
    margin-top:16px;
  }
  .footer-bottom{
    margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);}
  .footer-bottom a:hover{color:var(--c-lime);}

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

/* roulang page: article */
:root{
  --c-primary:#0B6E5F;
  --c-primary-700:#084C42;
  --c-primary-900:#062F2A;
  --c-accent:#FF5A1F;
  --c-accent-600:#E24A12;
  --c-lime:#D8F24A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-ink:#131A17;
  --c-ink-2:#4A5651;
  --c-line:#E3DFD6;
  --c-line-strong:#CFC9BC;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(19,26,23,.05), 0 8px 24px -16px rgba(19,26,23,.18);
  --shadow-hover:0 12px 32px -18px rgba(11,110,95,.35);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate","SF Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:solid}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0}
::selection{background:var(--c-lime);color:var(--c-primary-900)}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 28px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-900);color:rgba(255,255,255,.82);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:38px;overflow:hidden;white-space:nowrap}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left .num{font-family:var(--font-num);letter-spacing:.02em;color:#fff}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-lime);flex:none}
.topbar-right{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.9);text-decoration:none;transition:color .2s}
.topbar-right:hover{color:var(--c-lime)}
@media (max-width:639px){.topbar-right span{display:none}}

/* ---------- 导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60;transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(19,26,23,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;transition:height .2s ease-out}
.site-header.is-scrolled .nav-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--c-primary-900);display:inline-flex;align-items:center;justify-content:center;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.logo-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.18em;color:var(--c-ink-2)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;font-size:15px;color:var(--c-ink-2);text-decoration:none;transition:color .2s ease-out}
.site-header.is-scrolled .nav-link{height:56px}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-ink);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:12px;align-items:center;justify-content:center;cursor:pointer;color:var(--c-ink);transition:border-color .2s ease-out,color .2s ease-out}
.nav-burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-burger{display:inline-flex}
}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(19,26,23,.45)}
.drawer-panel{position:absolute;top:0;right:0;width:82%;max-width:340px;height:100%;background:#fff;padding:24px 22px;display:flex;flex-direction:column;gap:8px;box-shadow:-16px 0 40px -24px rgba(19,26,23,.4);animation:drawerIn .22s ease-out}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:38px;height:38px;border:1px solid var(--c-line);background:#fff;border-radius:12px;cursor:pointer;color:var(--c-ink-2)}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-panel a.drawer-link{height:48px;display:flex;align-items:center;padding:0 14px;border-radius:12px;font-size:15px;color:var(--c-ink-2);text-decoration:none;transition:background .2s ease-out,color .2s ease-out}
.drawer-panel a.drawer-link:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-panel a.drawer-link.active{background:rgba(11,110,95,.08);color:var(--c-primary);font-weight:600}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ---------- 按钮 / 链接 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-line-strong)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary-700);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:none;transition:color .2s ease-out}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover{color:var(--c-primary-700)}
.link-arrow:hover svg{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(11,110,95,.1);color:var(--c-primary);font-size:12px;font-weight:600}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.breadcrumb{display:flex;align-items:center;gap:8px;height:40px;font-size:13px;color:var(--c-ink-2);white-space:nowrap;overflow:hidden}
.breadcrumb a{color:var(--c-ink-2);text-decoration:none;transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line-strong);font-family:var(--font-num)}
.breadcrumb .current{color:var(--c-ink);overflow:hidden;text-overflow:ellipsis;max-width:52vw}

/* ---------- 文章头部 ---------- */
.article-hero{padding:40px 0 4px}
.article-hero .badge{margin-bottom:14px}
.article-title{font-size:clamp(28px,3.6vw,40px);line-height:1.35;font-weight:800;letter-spacing:-.01em;margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-num);font-size:13px;color:var(--c-ink-2)}
.article-meta .dot{color:var(--c-line-strong)}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;padding:28px 0 72px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px}
}

/* ---------- 正文排版 ---------- */
.article-body{max-width:800px;font-size:17px;line-height:1.85;color:var(--c-ink)}
.article-body p{margin-bottom:1.15em}
.article-body > p:first-of-type{font-weight:500}
.article-body h2{position:relative;font-size:clamp(22px,2.3vw,28px);font-weight:700;line-height:1.35;margin:2.2em 0 .9em;padding-left:22px}
.article-body h2::before{content:"";position:absolute;left:0;top:.42em;width:12px;height:12px;border-radius:3px;background:var(--c-primary)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.45;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul{list-style:none;margin-bottom:1.15em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--c-primary)}
.article-body ol{list-style:decimal;padding-left:1.5em;margin-bottom:1.15em}
.article-body ol li{margin-bottom:.5em;line-height:1.8}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;background:#fff;border-left:4px solid var(--c-primary);border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--c-ink-2);font-size:16px}
.article-body img{width:100%;height:auto;border-radius:12px;margin:1.4em 0 .6em}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(11,110,95,.35);text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-700)}
.article-body strong{font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;line-height:1.7}
.article-body th{background:#fff;font-weight:600}
@media (max-width:640px){
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
}

/* ---------- 空态 ---------- */
.empty-article{background:#fff;border:1px dashed var(--c-line-strong);border-radius:var(--r-panel);padding:48px 24px;text-align:center;color:var(--c-ink-2);min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.empty-article .empty-icon{width:52px;height:52px;border-radius:14px;background:var(--c-bg);display:flex;align-items:center;justify-content:center;color:var(--c-primary)}
.empty-article h2{font-size:20px;font-weight:700;color:var(--c-ink);padding:0}
.empty-article h2::before{display:none}
.empty-article p{font-size:15px;margin:0}
.empty-article .btn{margin-top:8px}

/* ---------- 文末 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-line)}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:600;color:var(--c-ink-2);text-decoration:none;transition:color .2s ease-out}
.back-link svg{transition:transform .2s ease-out}
.back-link:hover{color:var(--c-primary)}
.back-link:hover svg{transform:translateX(-4px)}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm)}
.side-card h2{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.side-card h2::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--c-primary);flex:none}
.side-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.side-list a{display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 12px;border-radius:var(--r-btn);font-size:14px;color:var(--c-ink-2);text-decoration:none;transition:background-color .2s ease-out,color .2s ease-out}
.side-list a:hover{background:var(--c-bg);color:var(--c-primary)}
.side-list .num{font-family:var(--font-num);font-size:12px;color:var(--c-line-strong)}
.side-cta{background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);border-radius:var(--r-panel);padding:26px 24px;color:#fff}
.side-cta h3{font-size:18px;font-weight:700;line-height:1.45}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);margin:10px 0 18px}
.side-cta .btn{background:var(--c-accent);color:#fff}
.side-cta .btn:hover{background:var(--c-accent-600);transform:translateY(-2px)}
.side-cta-num{font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--c-lime);letter-spacing:-.01em;line-height:1.1;margin-bottom:6px}
@media (max-width:1023px){.sidebar{margin-top:8px}}

/* ---------- 相关推荐 ---------- */
.related{background:#fff;border-top:1px solid var(--c-line);padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35}
.section-head h2::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--c-primary);flex:none}
.section-head p{font-size:14px;color:var(--c-ink-2)}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.related-card{display:flex;flex-direction:column;gap:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;text-decoration:none;color:inherit;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.related-card:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-hover)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:var(--c-bg)}
.related-card h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-time{display:flex;align-items:center;gap:6px;font-family:var(--font-num);font-size:12.5px;color:var(--c-ink-2)}
@media (max-width:639px){
  .related-grid{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:10px}
  .related-card{min-width:78%;scroll-snap-align:start}
}

/* ---------- 结尾转化条 ---------- */
.cta-band{background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);color:#fff;padding:56px 0}
.cta-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;max-width:22ch}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);margin-top:10px;max-width:44ch;line-height:1.8}
.cta-band .btn{background:var(--c-accent);color:#fff}
.cta-band .btn:hover{background:var(--c-accent-600);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-900);color:rgba(255,255,255,.7);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.5)}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:34ch}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.7);text-decoration:none;transition:color .2s ease-out}
.footer-links a:hover{color:var(--c-lime)}
.footer-links .num{font-family:var(--font-num);letter-spacing:.02em}
.footer-qr{margin-top:16px;display:inline-flex;align-items:center;height:34px;padding:0 14px;border:1px dashed rgba(255,255,255,.28);border-radius:var(--r-btn);font-size:12.5px;color:rgba(255,255,255,.7)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.7);text-decoration:none}
.footer-bottom a:hover{color:var(--c-lime)}

/* roulang page: category1 */
:root{
  --c-primary:#0B6E5F;
  --c-primary-700:#084C42;
  --c-primary-900:#062F2A;
  --c-accent:#FF5A1F;
  --c-accent-600:#E24A12;
  --c-lime:#D8F24A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-ink:#131A17;
  --c-ink-2:#4A5651;
  --c-line:#E3DFD6;
  --c-line-strong:#CFC9BC;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:12px;
  --shadow-sm:0 1px 2px rgba(19,26,23,.05), 0 8px 24px -16px rgba(19,26,23,.18);
  --shadow-lg:0 12px 32px -18px rgba(11,110,95,.35);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate","SF Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-primary);color:#fff}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 28px}}
@media (min-width:1024px){.container{padding:0 40px}}
@media (min-width:1440px){.container{padding:0 56px}}

/* ===== 通用排版 ===== */
.ink2{color:var(--c-ink-2)}
.lead{font-size:17px;line-height:1.9;color:var(--c-ink-2)}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:100px 0}}
.section-tight{padding:44px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.section-title{
  font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.01em;
  display:flex;align-items:center;gap:12px;
}
.section-title::before{
  content:"";width:12px;height:12px;background:var(--c-primary);
  border-radius:2px;flex:none;
}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-sub{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:640px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:#EAF4F1;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(216,242,74,.16);border-color:var(--c-lime);color:var(--c-lime);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
}
.btn-text svg{transition:transform .2s ease-out}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover svg{transform:translateX(4px)}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(11,110,95,.1);color:var(--c-primary);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-accent{background:rgba(255,90,31,.12);color:var(--c-accent-600)}
.badge-lime{background:rgba(216,242,74,.18);color:#2E3A00}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s ease-out;
}
.chip:hover{border-color:rgba(11,110,95,.35);color:var(--c-primary);transform:translateY(-2px)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--c-primary-900);color:rgba(255,255,255,.85);font-size:13px;line-height:1.7}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-lime);flex:none}
.topbar-sep{color:rgba(255,255,255,.3)}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600}
.topbar-link:hover{color:var(--c-lime)}
.topbar-right{display:none}
@media (min-width:768px){.topbar-right{display:inline-flex}}
.topbar-hide{display:none}
@media (min-width:520px){.topbar-hide{display:inline}}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(19,26,23,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-900);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.logo-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.14em;color:var(--c-line-strong)}
.nav-links{display:none;align-items:center;gap:4px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:3px;border-radius:2px;
  background:transparent;transition:background-color .2s ease-out;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-ink);font-weight:600}
.nav-link.active::after{background:var(--c-primary)}
.nav-actions{display:none;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.nav-actions{display:flex}}
.nav-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  color:var(--c-ink);background:var(--c-surface);transition:all .2s ease-out;
}
.nav-burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media (min-width:1024px){.nav-burger{display:none}}

/* ===== 抽屉导航 ===== */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(6,47,42,.55);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;
  background:var(--c-surface);padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .26s ease-out;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--c-line);padding-top:12px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;
  font-size:16px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.drawer-link:hover{color:var(--c-primary)}
.drawer-link.active{color:var(--c-primary);font-weight:700}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ===== 分类页窄幅页头 ===== */
.page-hero{position:relative;overflow:hidden;background:var(--c-primary-900);}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,47,42,.94) 0%,rgba(8,76,66,.86) 48%,rgba(11,110,95,.7) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 52px;min-height:280px;display:flex;flex-direction:column;justify-content:center}
@media (min-width:1024px){.page-hero-inner{padding:72px 0 64px;min-height:300px}}
.page-hero h1{
  margin-top:16px;color:#fff;
  font-size:30px;font-weight:800;line-height:1.28;letter-spacing:-.01em;
  max-width:820px;
}
@media (min-width:1024px){.page-hero h1{font-size:clamp(38px,4.4vw,50px)}}
.page-hero .hero-desc{margin-top:14px;max-width:660px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.84)}
@media (min-width:1024px){.page-hero .hero-desc{font-size:17px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75)}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-meta .tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;
}

/* ===== 卡片 ===== */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
@media (max-width:639px){.card{padding:20px}}
.card:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-lg)}
.card-line{border-top:3px solid var(--c-primary);padding-top:21px}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-ink)}
.card-text{margin-top:8px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 图标块 */
.icon-box{
  width:44px;height:44px;border-radius:12px;background:rgba(11,110,95,.1);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);flex:none;
}
.icon-box.solid{background:var(--c-primary);color:#fff}

/* ===== 更新条 ===== */
.update-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.update-item:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-lg)}
.update-time{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:800;color:var(--c-primary);line-height:1.1;flex:none;
}

/* ===== 图文交替块 ===== */
.feature-img{
  width:100%;height:100%;min-height:240px;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);
}
@media (min-width:1024px){.feature-img{min-height:320px}}
.feature-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.feature-list li{display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.feature-list .bullet{
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex:none;margin-top:10px;
}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);
}
.stat-strip .stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:var(--c-primary);line-height:1.05}
.stat-strip .stat-label{font-size:13px;color:var(--c-ink-2);margin-top:2px}

/* ===== 要点网格 ===== */
.point-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.point-card:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-lg)}

/* ===== 排行榜 ===== */
.rank-list{border:1px solid var(--c-line);border-radius:var(--r-panel);background:var(--c-surface);overflow:hidden;box-shadow:var(--shadow-sm)}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease-out;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--c-bg)}
.rank-no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:16px;font-weight:800;color:var(--c-line-strong);width:28px;flex:none;
}
.rank-item:hover .rank-no{color:var(--c-primary)}
.rank-title{font-size:15px;font-weight:600;line-height:1.6;color:var(--c-ink)}
.rank-meta{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--c-ink-2);flex:none}

/* ===== 流程条 ===== */
.steps{display:grid;gap:20px;position:relative}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);
}
.step-no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-900);color:var(--c-lime);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.step-line{
  position:absolute;left:24px;top:-20px;width:1px;height:20px;background:var(--c-line-strong);
}
@media (min-width:900px){
  .step-line{left:-24px;top:46px;width:24px;height:1px}
  .step:first-child .step-line{display:none}
}
@media (max-width:899px){.step:first-child .step-line{display:none}}

/* ===== 对照卡 ===== */
.compare{
  border-radius:var(--r-panel);border:1px solid var(--c-line);background:var(--c-surface);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.compare-head{padding:22px 24px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--c-line)}
.compare-body{padding:22px 24px}
.compare-list li{display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2);margin-bottom:12px}
.compare-list li:last-child{margin-bottom:0}
.tick{
  width:20px;height:20px;border-radius:999px;flex:none;margin-top:5px;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.tick.on{background:rgba(11,110,95,.12);color:var(--c-primary)}
.tick.off{background:rgba(19,26,23,.06);color:var(--c-ink-2)}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-sm)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;min-height:68px;padding:14px 22px;
  cursor:pointer;list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 2px 2px 0;
  background:transparent;transition:background-color .22s ease-out;
}
.faq-item[open] summary::before{background:var(--c-primary)}
.faq-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--c-line-strong);flex:none}
.faq-q{font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);flex:1}
.faq-sign{
  position:relative;width:20px;height:20px;flex:none;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out;
}
.faq-sign::before{left:0;top:9px;width:20px;height:2px}
.faq-sign::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 22px 22px 60px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
@media (max-width:639px){.faq-a{padding:0 20px 20px 20px}}

/* ===== 转化条 ===== */
.cta-band{
  background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
  border-radius:var(--r-panel);padding:32px 24px;
  display:flex;flex-direction:column;gap:22px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;top:-40px;right:-60px;width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(216,242,74,.16) 0%,rgba(216,242,74,0) 68%);
}
@media (min-width:768px){.cta-band{padding:40px;flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.4;color:#fff;max-width:560px}
@media (min-width:1024px){.cta-band h2{font-size:26px}}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:600px}

/* ===== 数据看板条 ===== */
.board{
  background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
  display:grid;gap:16px;padding:28px 24px;border-radius:var(--r-panel);
}
@media (min-width:768px){.board{grid-template-columns:repeat(4,1fr);padding:36px 32px;gap:20px}}
.board-cell{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:20px;
}
.board-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:34px;font-weight:800;line-height:1.05;color:var(--c-lime)}
@media (min-width:1024px){.board-num{font-size:42px}}
.board-unit{font-size:13px;color:rgba(255,255,255,.7);margin-left:4px}
.board-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}
.board-bar{margin-top:14px;height:3px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden}
.board-bar span{display:block;height:100%;background:var(--c-lime);border-radius:999px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-900);color:rgba(255,255,255,.7);padding:56px 0 28px;margin-top:0}
@media (min-width:1024px){.site-footer{padding:72px 0 32px}}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
.site-footer .logo-name{color:#fff}
.site-footer .logo-mark{background:rgba(255,255,255,.1)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links li,.footer-links a{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--c-lime)}
.footer-qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);
  font-size:13px;color:rgba(255,255,255,.72);
}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--c-lime)}

/* roulang page: category2 */
:root{
  --c-primary:#0B6E5F;
  --c-primary-700:#084C42;
  --c-primary-900:#062F2A;
  --c-accent:#FF5A1F;
  --c-accent-600:#E24A12;
  --c-lime:#D8F24A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-ink:#131A17;
  --c-ink-2:#4A5651;
  --c-line:#E3DFD6;
  --c-line-strong:#CFC9BC;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(19,26,23,.05),0 8px 24px -16px rgba(19,26,23,.18);
  --shadow-2:0 12px 32px -18px rgba(11,110,95,.35);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate","SF Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(135deg,rgba(11,110,95,.035) 0 1px,transparent 1px 14px);
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
button{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:2px solid var(--c-lime);outline-offset:2px;border-radius:8px}
::selection{background:rgba(11,110,95,.16)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 28px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-900);color:rgba(255,255,255,.86);font-size:13px;line-height:1.7}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap}
.topbar-domain{font-family:var(--font-num);color:var(--c-lime);letter-spacing:.02em}
.topbar-tip{overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.72)}
.topbar-right{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600}
.topbar-right:hover{color:var(--c-lime)}
@media(max-width:639px){.topbar-tip,.topbar-right span{display:none}}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 8px 24px -18px rgba(19,26,23,.45)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.logo-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.2em;color:var(--c-ink-2)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;font-size:15px;font-weight:500;color:var(--c-ink-2)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:13px;height:3px;border-radius:3px;background:transparent;transition:background-color .2s ease-out}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-ink);font-weight:600}
.nav-link.active::after{background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-ink)}
.nav-burger:hover{border-color:rgba(11,110,95,.45);color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -16px rgba(226,74,18,.95)}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-line-strong)}
.btn-outline:hover{border-color:rgba(11,110,95,.5);color:var(--c-primary-700);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.92);color:var(--c-primary-900)}
.btn-light:hover{background:#fff;transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 抽屉导航 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(6,47,42,.5)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:6px;box-shadow:-12px 0 40px -20px rgba(6,47,42,.6);
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line);margin-bottom:8px}
.drawer-close{width:38px;height:38px;border-radius:12px;background:var(--c-bg);font-size:22px;line-height:1;display:grid;place-items:center;color:var(--c-ink-2)}
.drawer-link{display:block;padding:13px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--c-ink-2)}
.drawer-link:hover{background:var(--c-bg);color:var(--c-ink)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;background:rgba(11,110,95,.08)}
.drawer-actions{display:grid;gap:10px;margin-top:14px;padding-top:16px;border-top:1px solid var(--c-line)}

/* ---------- 窄幅页头 ---------- */
.page-hero{
  position:relative;min-height:280px;display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(6,47,42,.9) 0%,rgba(6,47,42,.74) 48%,rgba(11,110,95,.58) 100%);
}
.page-hero .container{padding-top:46px;padding-bottom:46px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
.crumb a:hover{color:var(--c-lime)}
.crumb-cur{color:#fff}
.page-hero-title{
  font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.28;letter-spacing:-.01em;color:#fff;
}
.page-hero-sub{margin-top:14px;max-width:720px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.86)}
.page-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
@media(max-width:639px){.page-hero{min-height:240px}}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:100px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-title{position:relative;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;padding-left:18px}
.sec-title::before{content:"";position:absolute;left:0;top:.42em;width:12px;height:12px;border-radius:3px;background:var(--c-primary)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:640px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--c-primary);background:rgba(11,110,95,.1);
}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
@media(max-width:639px){.card{padding:20px}}
.card:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-2)}
.card-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.card-text{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.divider{height:1px;background:var(--c-line);margin:18px 0}

/* ---------- 入口标签条 ---------- */
.entry-strip{margin-top:-34px;position:relative;z-index:5}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-panel);
  padding:18px 20px;box-shadow:0 16px 40px -28px rgba(6,47,42,.5);
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.entry-label{font-size:13px;font-weight:600;color:var(--c-ink-2);white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);background:var(--c-bg);border:1px solid var(--c-line);
  transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;
}
.tag:hover{color:#fff;background:var(--c-primary);border-color:var(--c-primary)}

/* ---------- 图文交替 ---------- */
.split{display:grid;gap:28px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:6fr 6fr;gap:56px}}
.split-rev .split-media{order:2}
.media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg);
  box-shadow:var(--shadow-1);
}
.media img{width:100%;height:100%;object-fit:cover}
.ratio-32{aspect-ratio:3/2}
.ratio-23{aspect-ratio:2/3;max-height:520px}
.split-body h3{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.45;margin-top:14px}
.split-body p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--c-ink-2)}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.check-list li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:10px;border-radius:2px;background:var(--c-primary);
}
.split-body .link-arrow{margin-top:22px}

/* ---------- 四要点网格 ---------- */
.point-grid{display:grid;gap:16px}
@media(min-width:640px){.point-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.point-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.point{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;position:relative;overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.point::before{content:"";position:absolute;left:0;top:0;width:44px;height:3px;background:var(--c-primary)}
.point:hover{transform:translateY(-3px);border-color:rgba(11,110,95,.35);box-shadow:var(--shadow-2)}
.point-icon{width:44px;height:44px;border-radius:12px;background:rgba(11,110,95,.1);display:grid;place-items:center;color:var(--c-primary)}
.point h3{margin-top:16px;font-size:17px;font-weight:600;line-height:1.5}
.point p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 三步流程 ---------- */
.steps{display:grid;gap:18px;margin-top:8px}
@media(min-width:1024px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow-1);
}
@media(min-width:1024px){
  .step:not(:last-child)::after{
    content:"";position:absolute;right:-13px;top:48px;width:26px;height:1px;background:var(--c-line-strong);
  }
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:var(--c-primary-900);color:var(--c-lime);font-family:var(--font-num);font-size:15px;font-weight:700;
}
.step h3{margin-top:16px;font-size:17px;font-weight:600}
.step p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.step-meta{margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-ink-2);font-family:var(--font-num)}

/* ---------- 两卡对照 ---------- */
.compare{display:grid;gap:20px}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr}}
.compare-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.compare-card.is-featured{border-color:rgba(11,110,95,.4)}
.compare-media{aspect-ratio:16/9;overflow:hidden}
.compare-media img{width:100%;height:100%;object-fit:cover}
.compare-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.compare-price{font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--c-primary-900);letter-spacing:-.01em}
.compare-price small{font-size:13px;font-weight:600;color:var(--c-ink-2);margin-left:6px;font-family:var(--font-sans)}
.compare-list{display:grid;gap:10px;margin-top:4px}
.compare-list li{display:flex;gap:9px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.compare-list li svg{flex:none;margin-top:6px;color:var(--c-primary)}
.compare-body .btn{margin-top:auto;width:100%}

/* ---------- 深色时段看板 ---------- */
.dark-band{
  background:linear-gradient(135deg,#062F2A 0%,#0B6E5F 100%);
  color:#fff;position:relative;overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.dark-band .container{position:relative;z-index:1}
.dark-band .sec-title{color:#fff}
.dark-band .sec-title::before{background:var(--c-lime)}
.dark-band .sec-desc{color:rgba(255,255,255,.78)}
.slot-grid{display:grid;gap:16px}
@media(min-width:640px){.slot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.slot-grid{grid-template-columns:repeat(4,1fr)}}
.slot{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  padding:22px;position:relative;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:14px 14px;background-position:right top;
}
.slot-time{font-family:var(--font-num);font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.7)}
.slot-num{margin-top:14px;font-family:var(--font-num);font-size:44px;font-weight:800;line-height:1.05;color:var(--c-lime);font-variant-numeric:tabular-nums}
.slot-num span{font-size:15px;font-weight:600;color:rgba(255,255,255,.7);margin-left:6px;font-family:var(--font-num)}
.slot p{margin-top:8px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.78)}
.bar{height:3px;border-radius:3px;background:rgba(255,255,255,.16);margin-top:16px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--c-lime);border-radius:3px}

/* ---------- 常见问题 ---------- */
.faq-wrap{display:grid;gap:28px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:4fr 8fr;gap:56px}}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq-aside .btn{margin-top:22px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  display:flex;align-items:center;gap:16px;min-height:68px;padding:14px 4px 14px 0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);list-style:none;
  transition:background-color .22s ease-out,padding-left .22s ease-out;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{background:rgba(11,110,95,.05);padding-left:12px}
.faq-idx{font-family:var(--font-num);font-size:14px;color:var(--c-line-strong);flex:none;width:26px}
.faq-txt{flex:1}
.faq-sign{flex:none;position:relative;width:20px;height:20px}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out}
.faq-sign::before{left:0;top:9px;width:20px;height:2px}
.faq-sign::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-item[open] .faq-q{color:var(--c-primary-700);box-shadow:inset 3px 0 0 var(--c-primary);padding-left:12px}
.faq-a{padding:0 4px 22px 42px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
@media(max-width:639px){.faq-a{padding-left:0}}

/* ---------- 结尾转化条 ---------- */
.cta-band{background:linear-gradient(120deg,#062F2A 0%,#0B6E5F 100%);color:#fff;border-radius:var(--r-panel);padding:36px;display:grid;gap:24px;align-items:center}
@media(min-width:900px){.cta-band{grid-template-columns:7fr 5fr;padding:44px}}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;color:#fff}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.8)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.62)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-900);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.55)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--c-lime)}
.footer-links .num{font-size:13.5px;color:rgba(255,255,255,.72)}
.footer-qr{
  margin-top:16px;width:112px;height:112px;border-radius:12px;border:1px dashed rgba(255,255,255,.3);
  display:grid;place-items:center;text-align:center;padding:10px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--c-lime)}