/* roulang page: index */
:root{
  --lime:#B6F24A;
  --lime-deep:#9FE02F;
  --lime-soft:#D6FA8A;
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --ink:#0E1412;
  --ink-2:#16201C;
  --paper:#F6F6F2;
  --card:#FFFFFF;
  --line:#E2E5DE;
  --text:#141917;
  --text-2:#5C665F;
  --text-3:#8A948C;
  --on-dark:#F2F5EF;
  --on-dark-2:#A8B3A9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --radius-modal:20px;
  --shadow-card:0 1px 2px rgba(15,20,18,.04);
  --shadow-lift:0 10px 30px rgba(15,20,18,.08);
  --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(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav-top-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.05;flex-shrink:0}
.brand-main{font-size:24px;font-weight:800;letter-spacing:-.5px;color:var(--ink)}
.brand-sub{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--text-2);margin-top:3px}
.nav-search{flex:1;max-width:400px;display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#FAFAF7;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(182,242,74,.55)}
.nav-search svg{flex:0 0 auto;color:var(--text-3)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;height:100%}
.nav-search input::placeholder{color:var(--text-3)}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex-shrink:0}
.nav-quiet{font-size:14px;font-weight:600;color:var(--text-2);transition:color .2s var(--ease)}
.nav-quiet:hover{color:var(--ink)}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}

.nav-tabs-wrap{border-top:1px solid var(--line);background:#fff}
.nav-tabs{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-top:10px;padding-bottom:10px;-ms-overflow-style:none;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);border:1px solid transparent;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.tab:hover{background:#F0F2EC;color:var(--ink)}
.tab.active{background:var(--lime);color:var(--ink);border-color:var(--lime)}

.drawer-mask{position:fixed;inset:0;background:rgba(14,20,18,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:95;transform:translateX(-102%);transition:transform .28s var(--ease);padding:24px 20px;overflow-y:auto}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-size:20px;line-height:1}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.drawer-nav a:hover{background:#F0F2EC;color:var(--ink)}
.drawer-nav a.active{background:var(--lime);color:var(--ink)}
.drawer-cta{margin-top:22px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;white-space:nowrap;transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:#F0F2EC}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-2);transition:color .2s var(--ease)}
.text-link:hover{color:var(--ink)}
.text-link::after{content:"";width:14px;height:1px;background:currentColor;display:block;transition:width .24s var(--ease)}
.text-link:hover::after{width:22px}

/* ---------- Hero ---------- */
.hero{background:#fff;border-bottom:1px solid var(--line);padding:56px 0}
@media(min-width:1024px){.hero{padding:80px 0}}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--text-2);margin-bottom:18px}
.hero h1{font-size:clamp(34px,4.4vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;color:var(--ink)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);margin-top:20px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);display:grid;gap:14px}
.hero-points li{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-2)}
.hero-points li::before{content:"";flex:0 0 auto;width:18px;height:1px;background:var(--lime-deep)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line)}
.hero-badge{position:absolute;left:0;bottom:-18px;background:var(--lime);color:var(--ink);border-radius:14px;padding:14px 18px;display:flex;flex-direction:column;gap:2px;box-shadow:var(--shadow-lift)}
.hero-badge .num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;line-height:1}
.hero-badge .unit{font-size:12px;font-weight:600}
.hero-badge .lbl{font-size:12px;color:#2A332C}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:100px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
.section-desc{font-size:15px;color:var(--text-2);margin-top:12px;max-width:640px}
.section h2{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px}

/* ---------- Question list ---------- */
.q-list{margin-top:28px;border-top:1px solid var(--line)}
.q-list li{display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:baseline;padding:24px 0;border-bottom:1px solid var(--line)}
.q-num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:15px;font-weight:600;color:var(--orange);letter-spacing:.06em}
.q-list p{font-size:17px;color:var(--text)}
.q-list span.q-note{display:block;font-size:14px;color:var(--text-2);margin-top:6px}
@media(max-width:639px){
  .q-list li{grid-template-columns:1fr;gap:8px}
}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);transition:box-shadow .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lift);border-color:#D3D8CF;transform:translateY(-2px)}
.card h3{font-size:20px;line-height:1.4;font-weight:600;margin-top:16px}
.card p{font-size:15px;line-height:1.8;color:var(--text-2);margin-top:10px}
.card-media{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-foot{margin-top:auto;padding-top:20px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border:1px solid var(--line);border-radius:6px;background:#F6F6F2;color:var(--text-2);font-size:12px;font-weight:600;letter-spacing:.02em}
.icon-box{width:44px;height:44px;border-radius:12px;background:#F0F2EC;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.card-wide{display:grid;gap:26px}
@media(min-width:900px){
  .card-wide{grid-template-columns:1fr 42%;align-items:center}
  .card-wide .card-media img{aspect-ratio:16/9}
}

/* ---------- Stats ---------- */
.stats{background:var(--ink);color:var(--on-dark);padding:64px 0}
@media(min-width:1024px){.stats{padding:88px 0}}
.stats-eyebrow{font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--on-dark-2);margin-bottom:36px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:36px 20px}
@media(min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.stat{padding:0}
@media(min-width:900px){
  .stat{padding:0 32px}
  .stat:first-child{padding-left:0}
  .stat + .stat{border-left:1px solid rgba(255,255,255,.10)}
}
.stat-num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:clamp(40px,5vw,64px);font-weight:700;line-height:1;color:var(--lime)}
.stat-unit{font-size:.42em;margin-left:6px;color:var(--on-dark);font-weight:600}
.stat-label{font-size:13px;line-height:1.7;color:var(--on-dark-2);margin-top:16px}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
.news-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-card);transition:box-shadow .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.news-card:hover{box-shadow:var(--shadow-lift);border-color:#D3D8CF;transform:translateY(-2px)}
.news-thumb{flex:0 0 38%;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.news-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}
.news-card:hover .news-title{text-decoration:underline;text-decoration-color:var(--lime-deep);text-underline-offset:4px;text-decoration-thickness:2px}
.news-sum{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3)}
.news-time{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums}
@media(max-width:639px){
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%}
}
.empty-state{border:1px dashed #C9CFC6;border-radius:var(--radius-card);background:#FBFBF8;padding:48px 24px;text-align:center;grid-column:1/-1}
.empty-state svg{margin:0 auto 16px;color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px}

/* ---------- Form ---------- */
.lead-grid{display:grid;gap:32px}
@media(min-width:1024px){.lead-grid{grid-template-columns:5fr 7fr;gap:56px;align-items:start}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card)}
@media(min-width:768px){.form-card{padding:32px}}
.form-grid{display:grid;gap:18px}
@media(min-width:640px){.form-grid.two{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field .req{color:var(--orange);margin-left:4px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;font-size:16px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input{height:48px;padding:0 14px}
.field textarea{min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 2px rgba(182,242,74,.55)}
.field.error input,.field.error textarea{border-color:var(--orange)}
.err-msg{display:none;font-size:12px;color:var(--orange);line-height:1.5}
.field.error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.65;color:var(--text-2)}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--lime-deep);flex:0 0 auto}
.check-row a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:12px;color:var(--text-3);line-height:1.7}
.form-success{display:none;align-items:center;gap:10px;background:var(--lime-soft);border:1px solid var(--lime-deep);border-radius:var(--radius-input);padding:14px 16px;font-size:14px;color:var(--ink)}
.form-success.show{display:flex}

/* ---------- Modal ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(14,20,18,.6);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease)}
.modal-mask.open{opacity:1;visibility:visible}
.modal-card{position:relative;width:100%;max-width:580px;max-height:88vh;overflow-y:auto;background:#fff;border-radius:var(--radius-modal);padding:28px;transform:translateY(12px) scale(.98);transition:transform .28s var(--ease)}
@media(min-width:640px){.modal-card{padding:36px}}
.modal-mask.open .modal-card{transform:none}
.modal-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--text-2);transition:border-color .2s var(--ease),color .2s var(--ease)}
.modal-close:hover{border-color:var(--ink);color:var(--ink)}
.modal-card h3{font-size:22px;font-weight:700;line-height:1.35}
.modal-card .modal-sub{font-size:14px;color:var(--text-2);margin-top:10px;margin-bottom:24px}

/* ---------- CTA bar ---------- */
.cta-bar{background:var(--ink-2);color:var(--on-dark);border-top:1px solid rgba(255,255,255,.10);padding:40px 0}
.cta-inner{display:flex;flex-direction:column;gap:20px}
@media(min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
}
.cta-title{font-size:20px;font-weight:700;line-height:1.4}
.cta-sub{font-size:14px;color:var(--on-dark-2);margin-top:8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-2);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand-main{font-size:22px;font-weight:800;color:#fff;letter-spacing:-.4px;line-height:1.1}
.footer-brand-sub{font-size:11px;letter-spacing:.14em;font-weight:500;color:var(--on-dark-2);margin-top:6px}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:18px;max-width:320px}
.footer-title{font-size:13px;letter-spacing:.14em;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14px;padding:6px 0;color:var(--on-dark-2);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px}
.footer-bottom a{color:var(--on-dark-2);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- Responsive nav ---------- */
@media(max-width:1023px){
  .nav-search{display:none}
  .nav-actions .nav-quiet{display:none}
  .nav-burger{display:flex}
  .nav-top-inner{gap:12px}
}
@media(max-width:639px){
  .nav-top-inner{height:64px}
  .brand-main{font-size:21px}
}

/* roulang page: category1 */
:root{
    --lime:#B6F24A;
    --lime-deep:#9FE02F;
    --lime-soft:#D6FA8A;
    --orange:#FF6B35;
    --orange-soft:#FFE4D8;
    --ink:#0E1412;
    --ink-soft:#16201C;
    --bg:#F6F6F2;
    --card:#FFFFFF;
    --line:#E2E5DE;
    --t1:#141917;
    --t2:#5C665F;
    --t3:#8A948C;
    --d-text:#F2F5EF;
    --d-text2:#A8B3A9;
    --d-line:rgba(255,255,255,.10);
    --r-card:16px;
    --r-img:14px;
    --r-btn:10px;
    --r-input:12px;
    --r-pill:999px;
    --r-modal:20px;
    --shadow-1:0 1px 2px rgba(15,20,18,.04);
    --shadow-2:0 10px 30px rgba(15,20,18,.08);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,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,input,textarea,select{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){
    .container{padding:0 32px;}
  }
  @media (min-width:1280px){
    .container{padding:0 48px;}
  }

  /* ============ 双层导航 ============ */
  .site-header{
    background:#FFFFFF;
    border-bottom:1px solid var(--line);
    position:relative;
    z-index:40;
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    min-height:68px;
    padding-top:10px;
    padding-bottom:10px;
  }
  .brand{
    display:flex;
    flex-direction:column;
    line-height:1.1;
    flex-shrink:0;
  }
  .brand-main{
    font-size:22px;
    font-weight:800;
    letter-spacing:-0.6px;
    color:var(--ink);
  }
  .brand-main em{
    font-style:normal;
    color:var(--lime-deep);
  }
  .brand-sub{
    font-size:12px;
    font-weight:500;
    letter-spacing:.04em;
    color:var(--t2);
    margin-top:3px;
  }
  .header-search{
    flex:1 1 auto;
    max-width:420px;
    display:none;
    align-items:center;
    gap:8px;
    height:42px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    background:#FAFAF7;
    transition:border-color 200ms var(--ease), background-color 200ms var(--ease);
  }
  .header-search:focus-within{
    border-color:var(--ink);
    background:#FFFFFF;
    box-shadow:0 0 0 3px rgba(182,242,74,.55);
  }
  .header-search svg{flex-shrink:0;color:var(--t3);}
  .header-search input{
    border:0;
    outline:none;
    background:transparent;
    width:100%;
    font-size:14px;
  }
  .header-search input::placeholder{color:var(--t3);}
  @media (min-width:1024px){
    .header-search{display:flex;margin-left:8px;}
  }
  .header-actions{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
  }
  .link-quiet{
    font-size:14px;
    color:var(--t2);
    padding:6px 2px;
    border-bottom:1px solid transparent;
    transition:color 180ms var(--ease), border-color 180ms var(--ease);
    display:none;
  }
  .link-quiet:hover{color:var(--ink);border-color:var(--lime);}
  @media (min-width:768px){
    .link-quiet{display:inline-block;}
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 24px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:background-color 220ms var(--ease), transform 220ms var(--ease), border-color 220ms var(--ease), color 220ms var(--ease);
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--t1);}
  .btn-ghost:hover{border-color:var(--ink);background:#F0F2EC;}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  .menu-toggle{
    width:44px;height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:#FFFFFF;
    cursor:pointer;
  }
  .menu-toggle:hover{border-color:var(--ink);}
  @media (min-width:1024px){
    .menu-toggle{display:none;}
  }
  .menu-toggle span{
    position:relative;
    display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  .nav-tabs-wrap{
    position:sticky;
    top:0;
    z-index:35;
    background:#FFFFFF;
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 2px rgba(15,20,18,.03);
  }
  .nav-tabs{
    display:flex;
    align-items:center;
    gap:8px;
    height:56px;
    overflow-x:auto;
    scroll-snap-type:x proximity;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .nav-tabs::-webkit-scrollbar{display:none;}
  .tab{
    flex:0 0 auto;
    scroll-snap-align:start;
    height:38px;
    display:inline-flex;
    align-items:center;
    padding:0 18px;
    border-radius:var(--r-pill);
    font-size:14px;
    font-weight:500;
    color:var(--t2);
    border:1px solid transparent;
    transition:background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
  }
  .tab:hover{background:#F0F2EC;color:var(--ink);}
  .tab.active{
    background:var(--lime);
    color:var(--ink);
    font-weight:700;
    border-color:var(--lime-deep);
    box-shadow:inset 0 -2px 0 rgba(14,20,18,.18);
  }

  .mobile-drawer{
    position:fixed;
    inset:0;
    z-index:80;
    display:none;
  }
  .mobile-drawer.open{display:block;}
  .drawer-mask{
    position:absolute;inset:0;background:rgba(14,20,18,.6);
  }
  .drawer-panel{
    position:absolute;top:0;left:0;
    width:min(84vw,340px);
    height:100%;
    background:#FFFFFF;
    padding:24px 22px;
    overflow-y:auto;
    display:flex;flex-direction:column;gap:6px;
    animation:drawerIn 240ms var(--ease);
  }
  @keyframes drawerIn{from{transform:translateX(-14px);opacity:0;}to{transform:translateX(0);opacity:1;}}
  .drawer-close{
    align-self:flex-end;
    width:44px;height:44px;
    border:1px solid var(--line);
    background:#FFFFFF;border-radius:var(--r-btn);
    cursor:pointer;font-size:18px;line-height:1;
  }
  .drawer-panel .tab{
    width:100%;
    justify-content:flex-start;
    height:46px;
    border-radius:12px;
  }
  .drawer-sep{height:1px;background:var(--line);margin:14px 0;}
  .drawer-panel .btn{width:100%;}

  /* ============ 页面头部 ============ */
  .page-banner{
    position:relative;
    background-image:linear-gradient(105deg, rgba(14,20,18,.92) 0%, rgba(14,20,18,.78) 46%, rgba(14,20,18,.52) 100%), url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    color:var(--d-text);
    padding:56px 0 52px;
  }
  @media (min-width:768px){
    .page-banner{padding:76px 0 68px;}
  }
  .banner-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:end;
  }
  @media (min-width:1024px){
    .banner-grid{grid-template-columns:minmax(0,1fr) 300px;gap:48px;}
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.14em;
    color:var(--lime);
    font-weight:600;
  }
  .eyebrow::before{
    content:"";
    width:22px;height:2px;background:var(--lime);border-radius:2px;
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--d-text2);
    margin-bottom:18px;
  }
  .breadcrumb a{color:var(--d-text2);transition:color 180ms var(--ease);}
  .breadcrumb a:hover{color:var(--lime);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:var(--d-text);}
  .page-banner h1{
    font-size:clamp(34px,4.4vw,56px);
    line-height:1.15;
    font-weight:800;
    letter-spacing:-0.5px;
    margin-top:16px;
    max-width:760px;
  }
  .banner-sub{
    margin-top:18px;
    font-size:16px;
    line-height:1.85;
    color:var(--d-text2);
    max-width:640px;
  }
  .banner-card{
    border:1px solid var(--d-line);
    border-radius:var(--r-card);
    background:rgba(255,255,255,.04);
    padding:20px 22px;
  }
  .banner-card dl{margin:0;}
  .banner-card dt{
    font-size:12px;
    letter-spacing:.1em;
    color:var(--d-text2);
    margin-bottom:4px;
  }
  .banner-card dd{
    margin:0 0 16px;
    font-size:15px;
    font-weight:600;
    color:var(--d-text);
  }
  .banner-card dd:last-child{margin-bottom:0;}
  .banner-card .num{
    font-family:ui-monospace,"SF Mono",Menlo,monospace;
    font-variant-numeric:tabular-nums;
    color:var(--lime);
    font-size:18px;
  }

  /* ============ 文档型主体 ============ */
  .doc-main{
    padding:56px 0 72px;
  }
  @media (min-width:768px){
    .doc-main{padding:80px 0 96px;}
  }
  @media (min-width:1280px){
    .doc-main{padding:96px 0 120px;}
  }
  .doc-layout{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
  }
  @media (min-width:1024px){
    .doc-layout{grid-template-columns:220px minmax(0,1fr);gap:56px;}
  }

  .toc{
    align-self:start;
  }
  @media (min-width:1024px){
    .toc{position:sticky;top:88px;}
  }
  .toc-title{
    font-size:12px;
    letter-spacing:.14em;
    color:var(--t3);
    font-weight:600;
    margin-bottom:14px;
  }
  .toc-list{
    display:flex;
    gap:8px;
    overflow-x:auto;
    -ms-overflow-style:none;
    scrollbar-width:none;
    padding-bottom:4px;
  }
  .toc-list::-webkit-scrollbar{display:none;}
  @media (min-width:1024px){
    .toc-list{display:block;overflow:visible;padding-bottom:0;}
  }
  .toc-link{
    flex:0 0 auto;
    display:block;
    font-size:14px;
    color:var(--t2);
    padding:8px 14px;
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    background:#FFFFFF;
    transition:color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
  }
  .toc-link:hover{
    color:var(--ink);
    border-color:var(--lime-deep);
    background:#FCFDF8;
  }
  @media (min-width:1024px){
    .toc-link{
      border:0;
      border-radius:0;
      background:transparent;
      padding:9px 0 9px 14px;
      border-left:2px solid var(--line);
      position:relative;
    }
    .toc-link::before{
      content:"";
      position:absolute;left:-2px;top:0;bottom:0;width:2px;background:var(--lime);
      transform:scaleY(0);transform-origin:top;
      transition:transform 240ms var(--ease);
    }
    .toc-link:hover{background:transparent;transform:translateX(2px);}
    .toc-link:hover::before{transform:scaleY(1);}
  }
  .toc-link.active{
    color:var(--ink);
    font-weight:600;
    border-color:var(--lime);
    background:#FCFDF8;
  }

  .doc-body{max-width:780px;}
  .doc-section{
    scroll-margin-top:96px;
    padding-top:40px;
  }
  .doc-section:first-child{padding-top:0;}
  .doc-section + .doc-section{border-top:1px solid var(--line);margin-top:40px;}
  .doc-section h2{
    font-size:clamp(24px,2.4vw,32px);
    line-height:1.3;
    font-weight:700;
    letter-spacing:-0.3px;
    padding-left:14px;
    border-left:3px solid var(--lime);
  }
  .doc-section h3{
    font-size:20px;
    line-height:1.45;
    font-weight:600;
    margin-top:32px;
  }
  .doc-section p{
    margin-top:16px;
    font-size:16.5px;
    line-height:1.9;
    color:#242B27;
  }
  .doc-section p.lead{
    font-size:15px;
    color:var(--t2);
    margin-top:12px;
  }

  .step-list{margin-top:22px;display:flex;flex-direction:column;gap:0;}
  .step-item{
    display:flex;
    gap:18px;
    padding:18px 0;
    border-top:1px solid var(--line);
  }
  .step-item:last-child{border-bottom:1px solid var(--line);}
  .step-num{
    flex:0 0 auto;
    font-family:ui-monospace,"SF Mono",Menlo,monospace;
    font-variant-numeric:tabular-nums;
    font-size:15px;
    font-weight:700;
    color:var(--orange);
    padding-top:3px;
    min-width:26px;
  }
  .step-item h4{
    font-size:16px;
    font-weight:600;
    line-height:1.5;
  }
  .step-item p{
    margin-top:6px;
    font-size:15px;
    line-height:1.8;
    color:var(--t2);
  }

  .check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
  .check-list li{
    position:relative;
    padding-left:26px;
    font-size:15.5px;
    line-height:1.85;
    color:#242B27;
  }
  .check-list li::before{
    content:"";
    position:absolute;left:0;top:11px;
    width:12px;height:7px;
    border-left:2px solid var(--lime-deep);
    border-bottom:2px solid var(--lime-deep);
    transform:rotate(-45deg);
  }

  .note-block{
    margin-top:26px;
    background:var(--orange-soft);
    border:1px solid var(--orange);
    border-radius:var(--r-card);
    padding:20px 22px;
  }
  .note-block .note-title{
    display:flex;align-items:center;gap:8px;
    font-size:14px;font-weight:700;color:#7A2E10;
    margin-bottom:8px;
  }
  .note-block .note-title span{
    display:inline-flex;align-items:center;justify-content:center;
    width:20px;height:20px;border-radius:50%;
    background:var(--orange);color:#fff;font-size:12px;font-weight:700;
  }
  .note-block p{
    margin:0;
    font-size:15px;
    line-height:1.8;
    color:#5C3320;
  }

  .figure{
    margin-top:26px;
    border:1px solid var(--line);
    border-radius:var(--r-img);
    overflow:hidden;
    background:#FFFFFF;
    box-shadow:var(--shadow-1);
  }
  .figure img{
    width:100%;
    height:clamp(180px,26vw,300px);
    object-fit:cover;
  }
  .figure figcaption{
    font-size:13px;
    color:var(--t2);
    padding:12px 16px;
    border-top:1px solid var(--line);
    background:#FCFCF9;
  }

  .trap-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
  .trap-item{
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:18px 20px;
    box-shadow:var(--shadow-1);
    transition:box-shadow 260ms var(--ease), border-color 260ms var(--ease), transform 260ms var(--ease);
  }
  .trap-item:hover{
    box-shadow:var(--shadow-2);
    border-color:#CFD5CA;
    transform:translateY(-2px);
  }
  .trap-tag{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    padding:3px 10px;
    border-radius:6px;
    border:1px solid var(--line);
    background:#F6F6F2;
    color:var(--t2);
    margin-bottom:10px;
  }
  .trap-tag.warn{
    background:var(--orange-soft);
    border-color:#F6C3AC;
    color:#7A2E10;
  }
  .trap-item h4{font-size:16.5px;font-weight:600;}
  .trap-item p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--t2);}

  .channel-cards{
    margin-top:26px;
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:640px){
    .channel-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  .channel-card{
    display:flex;
    flex-direction:column;
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:box-shadow 260ms var(--ease), border-color 260ms var(--ease), transform 260ms var(--ease);
  }
  .channel-card:hover{
    box-shadow:var(--shadow-2);
    border-color:#CFD5CA;
    transform:translateY(-2px);
  }
  .channel-card .thumb{
    overflow:hidden;
    aspect-ratio:16 / 10;
    background:#EDEFE9;
  }
  .channel-card .thumb img{
    width:100%;height:100%;object-fit:cover;
    transition:transform 500ms var(--ease);
  }
  .channel-card:hover .thumb img{transform:scale(1.04);}
  .channel-card .body{padding:18px 20px 20px;}
  .channel-card h3{font-size:17px;font-weight:600;line-height:1.5;}
  .channel-card p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--t2);}
  .text-link{
    display:inline-block;
    margin-top:12px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    position:relative;
  }
  .text-link::after{
    content:"";
    position:absolute;left:0;bottom:-2px;height:2px;width:100%;
    background:var(--lime);
    transform:scaleX(0);transform-origin:left;
    transition:transform 240ms var(--ease);
  }
  .text-link:hover::after{transform:scaleX(1);}

  /* ============ CTA 条 ============ */
  .cta-bar{
    background:var(--ink);
    color:var(--d-text);
    padding:26px 0;
    border-top:1px solid var(--d-line);
    border-bottom:1px solid var(--d-line);
  }
  .cta-inner{
    display:flex;
    flex-direction:column;
    gap:16px;
    align-items:flex-start;
  }
  @media (min-width:768px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:32px;}
  }
  .cta-inner h2{
    font-size:19px;
    font-weight:700;
    line-height:1.5;
  }
  .cta-inner p{
    margin-top:6px;
    font-size:14px;
    color:var(--d-text2);
  }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);
    color:var(--d-text);
    padding:56px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:44px;
  }
  @media (min-width:640px){
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
  }
  .footer-brand-main{
    font-size:22px;font-weight:800;letter-spacing:-0.6px;color:var(--d-text);
  }
  .footer-brand-sub{
    font-size:12px;letter-spacing:.08em;color:var(--d-text2);margin-top:4px;
  }
  .footer-brand p{
    margin-top:14px;
    font-size:14px;
    line-height:1.8;
    color:var(--d-text2);
    max-width:360px;
  }
  .footer-title{
    font-size:13px;
    font-weight:600;
    letter-spacing:.1em;
    color:var(--d-text);
    margin-bottom:14px;
  }
  .footer-link{
    display:block;
    font-size:14px;
    color:var(--d-text2);
    padding:5px 0;
    transition:color 180ms var(--ease), transform 180ms var(--ease);
  }
  .footer-link:hover{color:var(--lime);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid var(--d-line);
    padding:18px 0 24px;
    display:flex;
    flex-direction:column;
    gap:10px;
    font-size:13px;
    color:var(--d-text2);
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }
  .footer-bottom a{color:var(--d-text2);transition:color 180ms var(--ease);}
  .footer-bottom a:hover{color:var(--lime);}

  .reveal{opacity:0;transform:translateY(12px);}
  .reveal.in{opacity:1;transform:translateY(0);transition:opacity 400ms var(--ease), transform 400ms var(--ease);}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation:none !important;transition-duration:.001ms !important;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: article */
:root{
    --lime:#B6F24A; --lime-deep:#9FE02F; --lime-soft:#D6FA8A;
    --ember:#FF6B35; --ember-soft:#FFE4D8;
    --ink:#0E1412; --ink-2:#16201C;
    --bg:#F6F6F2; --card:#FFFFFF; --line:#E2E5DE; --line-strong:#CDD3C8;
    --text:#141917; --text-2:#5C665F; --text-3:#8A948C;
    --dark-line:rgba(255,255,255,.10);
    --r-card:16px; --r-img:14px; --r-btn:10px; --r-input:12px;
    --sh-1:0 1px 2px rgba(15,20,18,.04);
    --sh-2:0 10px 30px rgba(15,20,18,.08);
    --ease:cubic-bezier(.2,.7,.3,1);
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --font-mono:ui-monospace,"SF Mono",Menlo,monospace;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:var(--font-sans);font-size:16px;line-height:1.85;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ::selection{background:var(--lime-soft);color:var(--ink);}
  :focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
  @media (min-width:1280px){.container{padding-left:48px;padding-right:48px;}}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);}
  .header-top{border-bottom:1px solid var(--line);}
  .header-top-inner{display:flex;align-items:center;gap:20px;min-height:68px;}
  .brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
  .brand-main{font-size:22px;font-weight:800;letter-spacing:-.5px;color:var(--ink);}
  .brand-sub{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--text-2);margin-top:3px;}
  .header-search{position:relative;flex:1 1 auto;max-width:360px;margin-left:12px;}
  .header-search input{
    width:100%;height:40px;border-radius:999px;border:1px solid var(--line);
    background:transparent;padding:0 16px 0 40px;font-size:14px;color:var(--text);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .header-search input::placeholder{color:var(--text-3);}
  .header-search input:hover{background:#fff;}
  .header-search input:focus{outline:none;background:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(182,242,74,.45);}
  .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.8;pointer-events:none;}
  .header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
  .header-link{font-size:14px;font-weight:600;color:var(--text-2);transition:color .2s var(--ease);}
  .header-link:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px;}
  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
    background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .nav-tabs-wrap{background:var(--bg);}
  .nav-tabs{
    display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;
    padding-top:10px;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-tabs::-webkit-scrollbar{display:none;}
  .tab{
    flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;
    height:38px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--text-2);border:1px solid transparent;white-space:nowrap;
    transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .tab:hover{color:var(--ink);background:#ECEFE7;}
  .tab.active{background:var(--lime);border-color:var(--lime);color:var(--ink);}

  /* ---------- 移动端抽屉 ---------- */
  .mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(14,20,18,.6);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);}
  .mobile-drawer.open{opacity:1;pointer-events:auto;}
  .mobile-drawer-panel{
    position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;
    padding:24px 22px 32px;transform:translateX(100%);transition:transform .28s var(--ease);
    overflow-y:auto;box-shadow:-12px 0 40px rgba(15,20,18,.14);
  }
  .mobile-drawer.open .mobile-drawer-panel{transform:translateX(0);}
  .drawer-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin:24px 0 10px;}
  .drawer-link{display:flex;align-items:center;min-height:48px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);}
  .drawer-link:hover{color:var(--ink);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 8px 20px rgba(159,224,47,.35);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--ink);background:#EFF2EA;transform:translateY(-2px);}
  .btn-on-dark{border-color:rgba(255,255,255,.28);color:#F2F5EF;background:transparent;}
  .btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08);}
  .btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px;}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-2);
    transition:color .2s var(--ease);
  }
  .text-link::after{content:"→";transition:transform .22s var(--ease);}
  .text-link:hover{color:var(--ink);}
  .text-link:hover::after{transform:translateX(3px);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{padding:28px 0 0;font-size:13px;color:var(--text-3);}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
  .breadcrumb li{display:flex;align-items:center;gap:8px;}
  .breadcrumb li+li::before{content:"/";color:var(--line-strong);}
  .breadcrumb a{color:var(--text-3);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
  .breadcrumb [aria-current="page"]{color:var(--text-2);}

  /* ---------- 文章头部 ---------- */
  .article-wrap{max-width:760px;margin:0 auto;padding-bottom:8px;}
  .article-head{padding:20px 0 30px;border-bottom:1px solid var(--line);}
  .pill{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    background:var(--lime-soft);color:#2C3D14;font-size:12px;font-weight:600;
    border:1px solid rgba(14,20,18,.08);letter-spacing:.02em;
  }
  .article-title{
    font-size:clamp(30px,3.6vw,46px);line-height:1.18;font-weight:800;
    letter-spacing:-.5px;margin:16px 0 18px;color:var(--ink);
  }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:13px;color:var(--text-2);}
  .article-meta .sep{color:var(--line-strong);}
  .article-meta .meta-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-2);}

  /* ---------- 正文排版 ---------- */
  .article-content{padding-top:36px;font-size:16.5px;line-height:1.9;color:#1F2723;}
  .article-content p{margin:0 0 1.4em;}
  .article-content > p:first-of-type{font-size:17px;font-weight:600;color:#2B322D;}
  .article-content h2{
    position:relative;font-size:clamp(22px,2.2vw,28px);line-height:1.35;font-weight:700;
    letter-spacing:-.3px;color:var(--ink);margin:2.5em 0 .8em;padding-left:16px;scroll-margin-top:140px;
  }
  .article-content h2::before{content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:3px;border-radius:2px;background:var(--lime);}
  .article-content h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);margin:2em 0 .6em;}
  .article-content h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.6em 0 .5em;}
  .article-content blockquote{
    margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--ember);
    background:#FFF5F0;border-radius:0 12px 12px 0;color:#40291F;
  }
  .article-content blockquote p:last-child{margin-bottom:0;}
  .article-content ul,.article-content ol{margin:1.2em 0;padding-left:0;}
  .article-content ul{list-style:none;}
  .article-content ul li{position:relative;padding-left:22px;margin-bottom:.62em;}
  .article-content ul li::before{
    content:"";position:absolute;left:0;top:.74em;width:7px;height:7px;
    border-radius:2px;background:var(--lime);
  }
  .article-content ol{list-style:none;counter-reset:art-list;}
  .article-content ol li{position:relative;padding-left:30px;margin-bottom:.62em;counter-increment:art-list;}
  .article-content ol li::before{
    content:counter(art-list);position:absolute;left:0;top:.34em;
    width:20px;height:20px;border-radius:6px;background:#EFF3E6;color:#3A4A1E;
    font-family:var(--font-mono);font-size:12px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
  }
  .article-content strong{font-weight:700;color:var(--ink);}
  .article-content a{color:#2E4A12;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
  .article-content a:hover{color:var(--ink);text-decoration-color:var(--lime-deep);}
  .article-content img{margin:1.8em auto;border-radius:var(--r-img);border:1px solid var(--line);}
  .article-content figure{margin:1.8em 0;}
  .article-content figure img{margin:0 auto;}
  .article-content figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:10px;}
  .article-content hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}
  .article-content table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.6em 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
  .article-content th,.article-content td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
  .article-content th{background:#F1F3EB;font-weight:600;color:var(--ink);white-space:nowrap;}
  .article-content tbody tr:nth-child(even){background:#FBFBF7;}
  .article-content tbody tr:last-child td{border-bottom:none;}
  .article-content pre{background:var(--ink);color:#E8EFE4;border-radius:12px;padding:16px 18px;overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;margin:1.6em 0;}
  .article-content code{font-family:var(--font-mono);font-size:14px;background:#EFF3E6;padding:2px 6px;border-radius:6px;}

  /* ---------- 正文尾部 ---------- */
  .article-foot{margin-top:56px;padding-top:26px;border-top:1px solid var(--line);}
  .tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .tag-label{font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin-right:4px;}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
    background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text-2);
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .tag:hover{border-color:var(--line-strong);color:var(--ink);}

  /* ---------- 空态 ---------- */
  .empty-state{
    margin:36px 0 0;padding:48px 28px;text-align:center;
    border:1px dashed var(--line-strong);border-radius:var(--r-card);background:#FBFBF7;
  }
  .empty-state svg{width:36px;height:36px;margin:0 auto 16px;stroke:var(--text-3);fill:none;stroke-width:1.4;}
  .empty-state h2{font-size:22px;font-weight:700;color:var(--ink);margin:0 0 10px;}
  .empty-state p{font-size:15px;color:var(--text-2);margin:0 0 24px;}

  /* ---------- 继续查阅 ---------- */
  .related-section{padding:72px 0 0;}
  .related-wrap{max-width:760px;margin:0 auto;}
  .section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;letter-spacing:-.3px;color:var(--ink);margin:0;line-height:1.3;}
  .related-list{display:flex;flex-direction:column;gap:14px;}
  .mini-card{
    display:flex;gap:16px;padding:14px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--sh-1);
    transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
  }
  .mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-strong);}
  .mini-card-img{flex:0 0 140px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#EDEFE8;}
  .mini-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .mini-card:hover .mini-card-img img{transform:scale(1.04);}
  .mini-card-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:8px;}
  .mini-card-title{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);}
  .mini-card:hover .mini-card-title{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px;}
  .mini-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--text-3);}
  .mini-card-meta .badge{
    display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;
    background:#F1F3EB;border:1px solid var(--line);color:#4B554C;font-size:12px;font-weight:600;
  }

  /* ---------- 底部 CTA ---------- */
  .cta-section{padding:88px 0 0;}
  .cta-band{
    background:var(--ink);border-radius:20px;padding:32px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  }
  .cta-band h2{font-size:clamp(20px,2vw,26px);font-weight:700;color:#F2F5EF;margin:0 0 8px;line-height:1.35;letter-spacing:-.3px;}
  .cta-band p{margin:0;font-size:14px;color:#A8B3A9;max-width:560px;line-height:1.8;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#F2F5EF;margin-top:96px;}
  .site-footer .container{padding-top:64px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}}
  .footer-brand-main{font-size:24px;font-weight:800;letter-spacing:-.5px;color:#F2F5EF;}
  .footer-brand-sub{font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--lime);margin:4px 0 16px;}
  .footer-brand p{font-size:14px;line-height:1.8;color:#A8B3A9;max-width:360px;margin:0;}
  .footer-title{font-size:13px;font-weight:600;letter-spacing:.1em;color:#F2F5EF;margin:0 0 16px;}
  .footer-link{display:block;font-size:14px;color:#A8B3A9;margin-bottom:12px;transition:color .2s var(--ease),transform .2s var(--ease);}
  .footer-link:hover{color:var(--lime);transform:translateX(2px);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    border-top:1px solid var(--dark-line);padding:20px 0 32px;font-size:13px;color:#8A948C;
  }
  .footer-bottom a{color:#A8B3A9;transition:color .2s var(--ease);}
  .footer-bottom a:hover{color:var(--lime);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .header-search{display:none;}
    .header-actions .header-link{display:none;}
    .menu-toggle{display:inline-flex;margin-left:auto;}
    .header-actions{margin-left:0;}
  }
  @media (max-width:640px){
    .header-actions .btn{display:none;}
    .article-content{font-size:16px;line-height:1.85;}
    .article-content > p:first-of-type{font-size:16.5px;}
    .mini-card{flex-direction:row;gap:12px;padding:12px;}
    .mini-card-img{flex:0 0 96px;}
    .mini-card-title{font-size:15.5px;}
    .cta-band{padding:24px;border-radius:16px;}
    .related-section{padding-top:56px;}
    .cta-section{padding-top:64px;}
    .site-footer{margin-top:64px;}
    .site-footer .container{padding-top:48px;}
  }

  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }

/* roulang page: category3 */
:root{
    --lime:#B6F24A; --lime-deep:#9FE02F; --lime-light:#D6FA8A;
    --flare:#FF6B35; --flare-light:#FFE4D8;
    --ink:#0E1412; --ink-soft:#16201C;
    --paper:#F6F6F2; --surface:#FFFFFF; --line:#E2E5DE;
    --tx:#141917; --tx-sec:#5C665F; --tx-weak:#8A948C;
    --dark-text:#F2F5EF; --dark-sec:#A8B3A9; --dark-line:rgba(255,255,255,.10);
    --r-card:16px; --r-img:14px; --r-btn:10px; --r-field:12px; --r-pill:999px;
    --s-card:0 1px 2px rgba(15,20,18,.04);
    --s-hover:0 10px 30px rgba(15,20,18,.08);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;padding:0;background:var(--paper);color:var(--tx);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.85;letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  }
  body.no-scroll{overflow:hidden;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  ::selection{background:var(--lime-light);color:var(--ink);}
  :focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  @media (min-width:1280px){.container{padding:0 48px;max-width:1296px;}}

  /* ---------- 双层导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);}
  .header-bar{display:flex;align-items:center;gap:20px;height:72px;}
  .brand{display:flex;flex-direction:column;justify-content:center;line-height:1.1;flex:0 0 auto;}
  .brand-main{font-size:21px;font-weight:800;letter-spacing:-.4px;color:var(--ink);}
  .brand-sub{font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--tx-sec);margin-top:3px;}
  .search-box{flex:1 1 auto;max-width:340px;display:flex;align-items:center;}
  .search-box input{
    width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
    background:transparent;padding:0 18px;font-size:14px;color:var(--tx);
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .search-box input::placeholder{color:var(--tx-weak);}
  .search-box input:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(182,242,74,.45);}
  .header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
  .header-link{font-size:14px;color:var(--tx-sec);position:relative;padding:6px 0;transition:color .2s var(--ease);}
  .header-link:hover{color:var(--ink);}
  .header-link::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime-deep);transition:width .24s var(--ease);}
  .header-link:hover::after{width:100%;}
  .menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
  .menu-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .menu-btn span::before,.menu-btn span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
  .menu-btn span::before{top:-6px;} .menu-btn span::after{top:6px;}

  .nav-tabs-wrap{position:relative;border-top:1px solid var(--line);}
  .nav-tabs-wrap::before,.nav-tabs-wrap::after{content:'';position:absolute;top:0;bottom:0;width:28px;pointer-events:none;z-index:2;}
  .nav-tabs-wrap::before{left:0;background:linear-gradient(to right,var(--paper),rgba(246,246,242,0));}
  .nav-tabs-wrap::after{right:0;background:linear-gradient(to left,var(--paper),rgba(246,246,242,0));}
  .nav-tabs{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 24px;
    -ms-overflow-style:none;scrollbar-width:none;}
  .nav-tabs::-webkit-scrollbar{display:none;}
  .tab{
    flex:0 0 auto;scroll-snap-align:start;padding:9px 18px;border-radius:var(--r-pill);
    font-size:14px;font-weight:500;color:var(--tx-sec);border:1px solid transparent;
    transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
    min-height:38px;display:inline-flex;align-items:center;
  }
  .tab:hover{background:var(--ink);color:var(--lime);}
  .tab.active{background:var(--lime);color:var(--ink);font-weight:700;box-shadow:inset 0 -2px 0 var(--ink);}
  @media (max-width:1023px){
    .search-box{display:none;}
    .header-actions .header-link{display:none;}
    .menu-btn{display:inline-flex;}
  }
  @media (max-width:639px){
    .header-bar{gap:12px;height:64px;}
    .header-actions{gap:10px;}
    .header-actions .btn{min-height:40px;padding:0 14px;font-size:13px;}
    .nav-tabs{padding:10px 20px;}
  }

  /* 移动抽屉 */
  .drawer-mask{position:fixed;inset:0;background:rgba(14,20,18,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:70;}
  .drawer-mask.open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;background:#fff;z-index:80;
    transform:translateX(-102%);transition:transform .28s var(--ease);padding:24px 20px;overflow-y:auto;
    border-right:1px solid var(--line);
  }
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-brand{font-size:19px;font-weight:800;letter-spacing:-.3px;}
  .drawer-brand-sub{font-size:12px;color:var(--tx-sec);letter-spacing:.12em;margin-top:4px;}
  .drawer-title{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--tx-weak);margin:24px 0 8px;}
  .drawer-link{display:block;padding:12px 0;font-size:15px;color:var(--tx-sec);border-bottom:1px solid var(--line);min-height:44px;}
  .drawer-link.active{color:var(--ink);font-weight:700;}
  .drawer-cta{margin-top:24px;width:100%;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
    text-align:center;
  }
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--tx);}
  .btn-ghost:hover{border-color:var(--ink);background:#F0F2EC;transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .on-dark .btn-ghost{border-color:rgba(255,255,255,.32);color:var(--dark-text);}
  .on-dark .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);position:relative;}
  .link-arrow::after{content:'';position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--lime-deep);transition:width .24s var(--ease);}
  .link-arrow:hover::after{width:100%;}

  /* ---------- 板块通用 ---------- */
  .sec{padding:56px 0;}
  @media (min-width:768px){.sec{padding:84px 0;}}
  @media (min-width:1024px){.sec{padding:104px 0;}}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--flare);}
  .h2{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px;}
  .h3{font-size:20px;line-height:1.4;font-weight:600;}
  .lead{font-size:16px;line-height:1.85;color:var(--tx-sec);max-width:760px;}
  .divider{height:1px;background:var(--line);border:0;}

  /* ---------- 面包屑 / Hero ---------- */
  .crumb{padding-top:24px;font-size:13px;color:var(--tx-weak);}
  .crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .crumb li{display:inline-flex;align-items:center;gap:8px;}
  .crumb li+li::before{content:'/';color:var(--line);}
  .crumb a:hover{color:var(--ink);}
  .crumb .current{color:var(--tx-sec);}

  .hero{padding:32px 0 64px;}
  @media (min-width:1024px){.hero{padding:40px 0 88px;}}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;}}
  .hero h1{font-size:clamp(34px,4.4vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin:14px 0 18px;}
  .hero-sub{font-size:17px;line-height:1.8;color:var(--tx-sec);max-width:600px;}
  .hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 30px;}
  .hero-points{display:grid;gap:12px;max-width:560px;}
  .hero-points li{position:relative;padding-left:28px;font-size:15px;color:var(--tx-sec);}
  .hero-points li::before{content:'';position:absolute;left:0;top:11px;width:14px;height:2px;background:var(--lime-deep);}
  .hero-points li::after{content:'';position:absolute;left:5px;top:6px;width:4px;height:11px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(40deg);}
  .hero-visual{position:relative;}
  .hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}
  .hero-badge{
    position:absolute;right:-6px;bottom:-16px;background:var(--lime);color:var(--ink);
    border-radius:12px;padding:12px 18px;display:flex;align-items:baseline;gap:8px;border:1px solid var(--ink);
  }
  .hero-badge span{font-size:12px;font-weight:600;letter-spacing:.08em;}
  .hero-badge strong{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;line-height:1;}

  /* ---------- 数据条 ---------- */
  .stats{background:var(--ink);color:var(--dark-text);padding:44px 0;}
  .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 0;}
  @media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
  .stat{padding:14px 18px;border-left:1px solid var(--dark-line);}
  .stat:first-child{border-left:0;}
  .stat-num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;
    font-size:clamp(34px,4vw,56px);line-height:1;font-weight:700;color:var(--lime);}
  .stat-num small{font-size:14px;font-weight:500;color:var(--dark-sec);margin-left:6px;letter-spacing:.02em;}
  .stat-text{font-size:13px;color:var(--dark-sec);margin-top:12px;line-height:1.7;}
  @media (max-width:639px){
    .stats-grid{grid-template-columns:1fr;}
    .stat{border-left:0;border-top:1px solid var(--dark-line);padding:16px 0;}
    .stat:first-child{border-top:0;}
  }

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;margin-top:8px;}
  .timeline::before{content:'';position:absolute;left:15px;top:10px;bottom:10px;width:1px;background:var(--line);}
  .tl-item{position:relative;padding-left:56px;padding-bottom:48px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-node{position:absolute;left:6px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--lime);}
  .tl-item.is-key .tl-node{border-color:var(--flare);background:var(--flare-light);}
  .tl-index{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;
    font-size:13px;font-weight:700;color:var(--flare);letter-spacing:.08em;}
  .tl-body h3{margin:6px 0 10px;}
  .tl-body p{font-size:15.5px;line-height:1.85;color:var(--tx-sec);max-width:720px;}
  .tl-list{margin-top:14px;display:grid;gap:8px;max-width:720px;}
  .tl-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--tx-sec);}
  .tl-list li::before{content:'';position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--lime-deep);border-radius:2px;}
  .tl-note{margin-top:14px;font-size:13px;color:var(--tx-weak);}
  @media (max-width:639px){
    .tl-item{padding-left:38px;padding-bottom:40px;}
    .timeline::before{left:9px;}
    .tl-node{left:0;width:18px;height:18px;}
  }

  /* ---------- 卡片 ---------- */
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s-card);
    transition:box-shadow .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);height:100%;display:flex;flex-direction:column;}
  .card:hover{box-shadow:var(--s-hover);border-color:#CFD4CB;transform:translateY(-2px);}
  .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .card-img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .card-img-wrap{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;border-bottom:1px solid var(--line);}
  .card:hover .card-img{transform:scale(1.04);}
  .card p{font-size:14.5px;line-height:1.8;color:var(--tx-sec);}
  .mini-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--s-card);
    transition:box-shadow .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);}
  .mini-card:hover{box-shadow:var(--s-hover);border-color:#CFD4CB;transform:translateY(-2px);}
  .badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font-size:12px;
    background:#F0F2EC;color:var(--tx-sec);border:1px solid var(--line);}
  .badge-lime{background:var(--lime-light);color:var(--ink);border-color:#B6E27A;}
  .icon-box{width:44px;height:44px;border-radius:12px;background:var(--lime-light);border:1px solid #C3E884;
    display:flex;align-items:center;justify-content:center;font-family:ui-monospace,Menlo,monospace;font-weight:700;color:var(--ink);font-size:15px;}
  .wide-card{display:grid;grid-template-columns:1fr;gap:0;}
  @media (min-width:1024px){.wide-card{grid-template-columns:6fr 6fr;align-items:stretch;}}
  .wide-card-media{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;}
  @media (min-width:1024px){.wide-card-media{border-radius:var(--r-card) 0 0 var(--r-card);border-right:1px solid var(--line);}}
  .wide-card-media img{width:100%;height:100%;min-height:220px;object-fit:cover;transition:transform .5s var(--ease);}
  .wide-card:hover .wide-card-media img{transform:scale(1.04);}
  .wide-card-body{padding:28px;display:flex;flex-direction:column;gap:14px;justify-content:center;}

  /* ---------- 步骤流程 ---------- */
  .flow{display:grid;gap:16px;grid-template-columns:1fr;}
  @media (min-width:768px){.flow{grid-template-columns:repeat(4,1fr);gap:0;}}
  .flow-item{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);}
  @media (min-width:768px){
    .flow-item{border-radius:0;border-left:0;padding:22px 20px;}
    .flow-item:first-child{border-left:1px solid var(--line);border-radius:var(--r-card) 0 0 var(--r-card);}
    .flow-item:last-child{border-radius:0 var(--r-card) var(--r-card) 0;}
  }
  .flow-num{font-family:ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--flare);}
  .flow-item h3{font-size:17px;font-weight:600;margin:8px 0 8px;}
  .flow-item p{font-size:14px;line-height:1.8;color:var(--tx-sec);}

  /* ---------- 提示条 ---------- */
  .notice{background:var(--flare-light);border:1px solid var(--flare);border-radius:var(--r-card);padding:24px 26px;display:flex;gap:16px;align-items:flex-start;}
  .notice strong{display:block;font-size:16px;margin-bottom:6px;color:var(--ink);}
  .notice p{font-size:14.5px;line-height:1.8;color:#7A3A1D;}
  .notice-mark{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--flare);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}

  /* ---------- 速答 ---------- */
  .qa-grid{display:grid;gap:16px;grid-template-columns:1fr;}
  @media (min-width:768px){.qa-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .qa{padding-top:20px;border-top:2px solid var(--ink);}
  .qa h3{font-size:16.5px;font-weight:700;margin-bottom:10px;}
  .qa p{font-size:14.5px;line-height:1.85;color:var(--tx-sec);}

  /* ---------- CTA 条 ---------- */
  .cta-bar{background:var(--ink);color:var(--dark-text);border-radius:var(--r-card);padding:32px 28px;
    display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;}
  .cta-bar h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.2px;}
  .cta-bar p{font-size:14.5px;color:var(--dark-sec);margin-top:8px;max-width:560px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:var(--dark-text);margin-top:64px;padding:56px 0 0;}
  @media (min-width:1024px){.site-footer{margin-top:96px;padding-top:72px;}}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;}}
  .footer-brand-main{font-size:20px;font-weight:800;letter-spacing:-.4px;}
  .footer-brand-sub{font-size:12px;letter-spacing:.14em;color:var(--dark-sec);margin-top:4px;}
  .footer-brand p{font-size:14px;line-height:1.8;color:var(--dark-sec);margin-top:16px;max-width:340px;}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:#D8DFD6;margin-bottom:14px;}
  .footer-link{display:block;font-size:14px;color:var(--dark-sec);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
  a.footer-link:hover{color:var(--lime);transform:translateX(2px);}
  .footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--dark-line);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--dark-sec);}
  .footer-bottom a:hover{color:var(--lime);}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
  .reveal.is-in{opacity:1;transform:none;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation:none !important;transition-duration:.01ms !important;}
  }

/* roulang page: category2 */
:root{
  --lime:#B6F24A;
  --lime-deep:#9FE02F;
  --lime-light:#D6FA8A;
  --orange:#FF6B35;
  --orange-light:#FFE4D8;
  --ink:#0E1412;
  --ink-2:#16201C;
  --bg:#F6F6F2;
  --card:#FFFFFF;
  --line:#E2E5DE;
  --t1:#141917;
  --t2:#5C665F;
  --t3:#8A948C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,20,18,.04);
  --shadow-2:0 10px 30px rgba(15,20,18,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 48px;}}

/* ============ 顶部第一行 ============ */
.site-header{position:relative;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.header-top{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.05;flex:0 0 auto;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.brand-sub{font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--t2);margin-top:3px;}
.search-box{position:relative;display:none;flex:1 1 auto;max-width:360px;}
@media (min-width:1024px){.search-box{display:block;}}
.search-box svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--t3);fill:none;stroke-width:2;stroke-linecap:round;}
.search-box input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 18px 0 40px;font-size:14px;color:var(--t1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 2px rgba(182,242,74,.9);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.header-link{display:none;font-size:14px;color:var(--t2);position:relative;transition:color .2s var(--ease);}
.header-link::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--lime);transition:width .24s var(--ease);}
.header-link:hover{color:var(--t1);}
.header-link:hover::after{width:100%;}
@media (min-width:1024px){.header-link{display:inline-block;}}
.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.hamburger:hover{border-color:var(--ink);background:#F0F2EC;}
.hamburger svg{width:18px;height:18px;stroke:var(--t1);stroke-width:2;stroke-linecap:round;fill:none;}
@media (min-width:1024px){.hamburger{display:none;}}

/* ============ 第二行频道 Tabs ============ */
.nav-tabs-wrap{
  position:sticky;top:0;z-index:55;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-tabs{
  display:flex;gap:8px;overflow-x:auto;
  scroll-snap-type:x proximity;
  padding-top:10px;padding-bottom:10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--t2);
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tab:hover{color:var(--t1);background:#F0F2EC;}
.tab.active{
  background:var(--lime);color:var(--ink);font-weight:600;
  box-shadow:inset 0 -2px 0 rgba(14,20,18,.85);
}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--t1);}
.btn-ghost:hover{border-color:var(--ink);background:#F0F2EC;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-dark-ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:#F2F5EF;}
.btn-dark-ghost:hover{border-color:#F2F5EF;background:rgba(255,255,255,.06);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:6px;border:1px solid var(--line);background:#F6F6F2;
  font-size:12px;font-weight:600;color:var(--t2);letter-spacing:.02em;
}
.badge-lime{background:var(--lime-light);border-color:#B6F24A;color:#22350A;}
.badge-orange{background:var(--orange-light);border-color:#FFC3AB;color:#8A2E0C;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);padding:44px 0 56px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.07;
}
.page-hero > .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;}
.crumb a{color:var(--t3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--t1);}
.crumb .sep{opacity:.55;}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--orange);margin-bottom:14px;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;}}
.page-hero h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.15;font-weight:800;letter-spacing:-.5px;
  max-width:820px;
}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.85;color:var(--t2);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{margin-top:28px;display:grid;gap:10px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);}
.hero-points li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;
  border-left:2px solid var(--lime-deep);border-bottom:2px solid var(--lime-deep);
  transform:rotate(-45deg);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:280px;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
}
@media (min-width:1024px){.hero-visual img{height:320px;}}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  padding:8px 14px;border-radius:var(--r-pill);letter-spacing:.02em;
}

/* ============ 板块 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.4px;}
.sec-sub{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px;}

/* ============ 筛选 pill ============ */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;padding:2px 0 20px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--t2);
  font-size:14px;transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--t1);}
.chip.active{background:var(--ink);border-color:var(--ink);color:#F2F5EF;font-weight:600;}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1280px){.card-grid{grid-template-columns:repeat(3,1fr);gap:32px;}}
.g-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.g-card:hover{box-shadow:var(--shadow-2);border-color:#CFD6CB;transform:translateY(-2px);}
.thumb{overflow:hidden;background:#EDEFE9;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.g-card:hover .thumb img{transform:scale(1.04);}
.thumb-tall img{height:236px;}
.thumb-mid img{height:196px;}
.thumb-short img{height:168px;}
.g-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.g-card-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.g-card-body p{
  font-size:14px;line-height:1.72;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--t1);margin-top:auto;padding-top:4px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;
  background:var(--lime);transition:width .24s var(--ease);
}
.g-card:hover .text-link::after{width:calc(100% - 12px);}
.text-link svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{border-top:2px solid var(--ink);padding-top:18px;}
.step-num{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--orange);letter-spacing:.08em;
}
.step h3{font-size:18px;font-weight:600;margin-top:10px;line-height:1.4;}
.step p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t2);}

/* ============ 深色数据条 ============ */
.dark-band{background:var(--ink);color:#F2F5EF;padding:56px 0;}
@media (min-width:1024px){.dark-band{padding:80px 0;}}
.dark-band h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;letter-spacing:-.3px;line-height:1.3;}
.dark-band .dark-sub{margin-top:12px;font-size:15px;color:#A8B3A9;max-width:600px;}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 0;margin-top:40px;}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{border-right:1px solid rgba(255,255,255,.10);padding-right:20px;}
.stats .stat:nth-child(2n){border-right:0;padding-right:0;}
@media (min-width:1024px){
  .stats .stat{border-right:1px solid rgba(255,255,255,.10);padding-right:24px;}
  .stats .stat:nth-child(2n){border-right:1px solid rgba(255,255,255,.10);padding-right:24px;}
  .stats .stat:last-child{border-right:0;padding-right:0;}
}
.stat-num{
  display:inline-flex;align-items:baseline;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(40px,4.4vw,64px);font-weight:700;line-height:1;letter-spacing:-.02em;color:#fff;
}
.stat-unit{font-size:16px;font-weight:600;color:var(--lime);margin-left:6px;}
.stat p{margin-top:14px;font-size:13px;color:#A8B3A9;line-height:1.6;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--orange-light);border:1px solid rgba(255,107,53,.55);
  border-radius:var(--r-card);padding:20px 24px;
}
.notice-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--orange);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;margin-top:3px;
}
.notice h3{font-size:16px;font-weight:600;color:#8A2E0C;}
.notice p{margin-top:8px;font-size:14px;line-height:1.78;color:#6B3418;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:17px;font-weight:600;line-height:1.5;
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:#000;}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
details[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{padding:0 44px 22px 4px;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--t2);}
.faq-a p + p{margin-top:12px;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);color:#F2F5EF;border-radius:var(--r-modal);
  padding:34px 26px;display:flex;flex-direction:column;gap:22px;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;gap:40px;}
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:14px;line-height:1.75;color:#A8B3A9;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F2F5EF;padding:60px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}}
.footer-brand-main{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.1;}
.footer-brand-sub{font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--lime);margin-top:6px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A8B3A9;max-width:340px;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#F2F5EF;margin-bottom:16px;}
.footer-link{
  display:block;font-size:14px;color:#A8B3A9;margin-bottom:12px;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#A8B3A9;
}
.footer-bottom a{color:#A8B3A9;transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{position:fixed;inset:0;z-index:120;display:none;}
.mobile-drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(14,20,18,.6);}
.drawer-panel{
  position:absolute;left:0;top:0;bottom:0;width:min(84vw,340px);
  background:#fff;padding:22px 22px 32px;
  display:flex;flex-direction:column;gap:24px;
  box-shadow:var(--shadow-2);
  animation:drawerIn .26s var(--ease);
  overflow-y:auto;
}
@keyframes drawerIn{from{transform:translateX(-16px);opacity:.4;}to{transform:none;opacity:1;}}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--ink);background:#F0F2EC;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  display:flex;align-items:center;min-height:44px;padding:0 4px;
  font-size:15px;color:var(--t2);border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-link:hover{color:var(--t1);padding-left:8px;}
.drawer-link.active{color:var(--t1);font-weight:600;}

/* ============ 入场动效 ============ */
html.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
html.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;transition:none;}
  .btn,.g-card,.thumb img,.chip,.tab,.footer-link{transition:none !important;}
  .btn-primary:hover{transform:none;}
  .g-card:hover{transform:none;}
  .g-card:hover .thumb img{transform:none;}
  .drawer-panel{animation:none;}
}

/* roulang page: category4 */
:root{
    --lime:#B6F24A; --lime-dark:#9FE02F; --lime-light:#D6FA8A;
    --orange:#FF6B35; --orange-light:#FFE4D8;
    --ink:#0E1412; --ink-2:#16201C;
    --paper:#F6F6F2; --card:#FFFFFF; --line:#E2E5DE;
    --t1:#141917; --t2:#5C665F; --t3:#8A948C;
    --r-card:16px; --r-img:14px; --r-btn:10px; --r-input:12px; --r-pill:999px;
    --sh1:0 1px 2px rgba(15,20,18,.04);
    --sh2:0 10px 30px rgba(15,20,18,.08);
    --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(--paper);color:var(--t1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.85;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input,textarea,select{font:inherit}
  h1,h2,h3,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--ink);outline-offset:2px}
  .num,.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
  @media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

  /* ============ header ============ */
  .site-header{background:var(--paper);border-bottom:1px solid var(--line)}
  .header-inner{display:flex;align-items:center;gap:24px;min-height:68px}
  .brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto}
  .brand-main{font-size:20px;font-weight:800;letter-spacing:-.4px}
  .brand-sub{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--t2);margin-top:3px}
  .header-search{
    flex:1 1 auto;max-width:400px;display:none;align-items:center;gap:10px;
    height:42px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);
    background:#fff;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .header-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--lime)}
  .header-search input{border:0;outline:0;background:transparent;width:100%;font-size:16px;color:var(--t1)}
  .header-search input::placeholder{color:var(--t3)}
  .search-ico{width:17px;height:17px;color:var(--t3);flex:0 0 auto}
  .header-actions{margin-left:auto;display:none;align-items:center;gap:18px}
  .header-link{font-size:14px;font-weight:600;color:var(--t2);position:relative;padding:4px 0}
  .header-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);transition:width .24s var(--ease)}
  .header-link:hover{color:var(--ink)}
  .header-link:hover::after{width:100%}
  .menu-btn{width:44px;height:44px;margin-left:auto;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;border-radius:10px}
  .menu-btn span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s}
  @media (min-width:1024px){
    .header-search{display:flex}
    .header-actions{display:flex}
    .menu-btn{display:none}
  }

  /* nav tabs */
  .nav-tabs-wrap{
    position:sticky;top:0;z-index:40;background:rgba(246,246,242,.95);
    backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  }
  .nav-tabs{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;
    -ms-overflow-style:none;scrollbar-width:none;padding-top:10px;padding-bottom:10px}
  .nav-tabs::-webkit-scrollbar{display:none}
  @media (max-width:1023px){
    .nav-tabs{mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
      -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%)}
  }
  .tab{
    flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;
    min-height:40px;padding:8px 16px;border-radius:var(--r-pill);border:1px solid transparent;
    font-size:14px;font-weight:600;color:var(--t2);transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .tab:hover{background:#fff;border-color:var(--line);color:var(--ink)}
  .tab.active{background:var(--lime);border-color:var(--lime);color:var(--ink)}

  /* drawer */
  .drawer-mask{position:fixed;inset:0;background:rgba(14,20,18,.6);z-index:60}
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:min(84vw,340px);z-index:70;background:#fff;
    padding:20px;overflow-y:auto;box-shadow:var(--sh2);
  }
  .drawer-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px}
  .drawer-close{width:44px;height:44px;font-size:26px;line-height:1;border-radius:10px;color:var(--t2)}
  .drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--t2)}
  .drawer-link:hover{background:var(--paper);color:var(--ink)}
  .drawer-link.active{background:var(--lime);color:var(--ink)}
  .drawer-cta{width:100%;margin-top:18px;justify-content:center}

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;letter-spacing:.01em;border:1px solid transparent;
    transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--ink);background:#F0F2EC}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px}
  .btn-block{width:100%}

  /* ============ sections ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-tight{padding:40px 0}
  @media (min-width:1024px){.section-tight{padding:56px 0}}
  .eyebrow{
    font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--t2);
    display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
  h1{font-size:clamp(34px,4.4vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
  h2{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
  h3{font-size:20px;line-height:1.4;font-weight:600}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
  .section-head p.lead{font-size:15px;color:var(--t2);max-width:640px}

  /* breadcrumb */
  .breadcrumb{font-size:13px;color:var(--t3);padding:22px 0 0}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px}
  .breadcrumb .sep{opacity:.5}

  /* hero */
  .page-hero{padding:28px 0 8px}
  .hero-grid{display:grid;gap:32px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
  .hero-sub{font-size:17px;line-height:1.85;color:var(--t2);margin-top:20px;max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-points{margin-top:28px;display:grid;gap:10px}
  .hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--t2)}
  .hero-points li::before{
    content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:4px;
    background:var(--lime);position:relative;
  }
  .hero-visual{position:relative}
  .hero-visual img{width:100%;border-radius:var(--r-card);border:1px solid var(--line);aspect-ratio:4/3;object-fit:cover}
  .hero-badge{
    position:absolute;left:20px;bottom:-18px;background:var(--lime);color:var(--ink);
    border-radius:12px;padding:12px 16px;display:flex;align-items:baseline;gap:6px;
    box-shadow:var(--sh1);border:1px solid var(--lime-dark);
  }
  .hero-badge .num{font-size:26px;font-weight:800}
  .hero-badge .unit{font-size:12px;font-weight:700}
  .hero-badge .badge-cap{font-size:12px;color:#3B4A2F;margin-left:6px;letter-spacing:.06em}

  /* anchor pills */
  .anchor-pills{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 0 6px}
  .anchor-pills::-webkit-scrollbar{display:none}
  .pill{
    flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;
    border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
    font-size:14px;font-weight:600;color:var(--t2);
    transition:border-color .18s var(--ease),color .18s var(--ease),transform .2s var(--ease);
  }
  .pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}

  /* faq */
  .faq-group{margin-top:44px;scroll-margin-top:92px}
  .faq-group:first-of-type{margin-top:0}
  .group-title{display:flex;align-items:center;gap:12px;margin-bottom:8px}
  .group-title::before{content:"";width:3px;height:22px;background:var(--lime);border-radius:2px}
  .group-note{font-size:14px;color:var(--t2);margin-bottom:16px}
  .faq-wrap{max-width:860px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 2px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;
  }
  .q-text{
    background-image:linear-gradient(var(--lime),var(--lime));
    background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
    transition:background-size .24s var(--ease);
  }
  .faq-q:hover .q-text{background-size:100% 2px}
  .faq-icon{
    position:relative;flex:0 0 26px;width:26px;height:26px;border:1px solid var(--line);
    border-radius:var(--r-pill);transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--ink);border-radius:1px}
  .faq-icon::before{width:11px;height:1.5px}
  .faq-icon::after{width:1.5px;height:11px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime)}
  .faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease)}
  .faq-item.is-open .faq-a{grid-template-rows:1fr}
  .faq-a-inner{overflow:hidden}
  .faq-a-inner p{padding:0 2px 22px;font-size:15px;line-height:1.9;color:var(--t2);max-width:700px}
  .faq-a-inner p + p{margin-top:-8px}
  .faq-tip{
    display:inline-block;font-size:12px;font-weight:700;color:#8A3A15;background:var(--orange-light);
    border:1px solid rgba(255,107,53,.35);border-radius:6px;padding:2px 8px;margin-bottom:10px;
  }

  /* checklist */
  .check-list{border-top:1px solid var(--line);max-width:860px}
  .check-item{display:flex;gap:18px;padding:20px 2px;border-bottom:1px solid var(--line)}
  .check-num{
    font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;
    font-size:15px;font-weight:700;color:var(--orange);flex:0 0 auto;padding-top:2px;
  }
  .check-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
  .check-item p{font-size:14px;color:var(--t2);line-height:1.8}
  @media (max-width:639px){
    .check-item{flex-direction:column;gap:6px}
  }

  /* resolve bar */
  .resolve-bar{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh1);
  }
  .resolve-bar h3{font-size:18px;margin-bottom:4px}
  .resolve-bar p{font-size:14px;color:var(--t2)}

  /* channel cards */
  .channel-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
    transition:box-shadow .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
  }
  .channel-card:hover{box-shadow:var(--sh2);border-color:#CFD5CA;transform:translateY(-2px)}
  .card-media{overflow:hidden;aspect-ratio:16/10}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .channel-card:hover .card-media img{transform:scale(1.04)}
  .card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:18px}
  .card-body p{font-size:14px;color:var(--t2);line-height:1.8}
  .card-link{
    margin-top:auto;font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;
    background-image:linear-gradient(var(--lime),var(--lime));background-repeat:no-repeat;
    background-position:0 100%;background-size:0 2px;transition:background-size .24s var(--ease);
    align-self:flex-start;padding-bottom:2px;
  }
  .channel-card:hover .card-link{background-size:100% 2px}

  /* CTA bar */
  .cta-bar{background:var(--ink);color:#F2F5EF;border-top:1px solid rgba(255,255,255,.1)}
  .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:32px 0}
  .cta-inner p.cta-title{font-size:20px;font-weight:700;line-height:1.5}
  .cta-inner p.cta-sub{font-size:14px;color:#A8B3A9;margin-top:6px}

  /* footer */
  .site-footer{background:var(--ink);color:#F2F5EF;padding:64px 0 0}
  .footer-grid{display:grid;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}}
  .footer-brand-main{font-size:22px;font-weight:800;letter-spacing:-.3px}
  .footer-brand-sub{font-size:12px;letter-spacing:.14em;color:#A8B3A9;margin-top:4px}
  .footer-brand p{font-size:14px;color:#A8B3A9;line-height:1.9;margin-top:16px;max-width:360px}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#F2F5EF;margin-bottom:16px}
  .footer-link{display:block;font-size:14px;color:#A8B3A9;padding:5px 0;transition:transform .2s var(--ease),color .2s var(--ease)}
  .footer-link:hover{color:var(--lime);transform:translateX(2px)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A948C;
  }
  .footer-bottom a:hover{color:var(--lime)}

  /* reveal */
  .reveal{opacity:0;transform:translateY(12px)}
  .reveal.in{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease)}
  .no-js .reveal{opacity:1;transform:none}

  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category5 */
:root{
    --lime:#B6F24A; --lime-dark:#9FE02F; --lime-light:#D6FA8A;
    --orange:#FF6B35; --orange-light:#FFE4D8;
    --ink:#0E1412; --ink-2:#16201C;
    --bg:#F6F6F2; --card:#FFFFFF; --line:#E2E5DE;
    --text:#141917; --text-2:#5C665F; --text-3:#8A948C;
    --r-card:16px; --r-img:14px; --r-btn:10px; --r-input:12px; --r-modal:20px;
    --shadow-1:0 1px 2px rgba(15,20,18,.04);
    --shadow-2:0 10px 30px rgba(15,20,18,.08);
    --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(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,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,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  @media (min-width:1280px){.container{padding:0 48px}}

  /* ---------- 顶部第一行 ---------- */
  .nav-top{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);position:relative;z-index:50}
  .nav-top-inner{display:flex;align-items:center;gap:16px;min-height:70px}
  .brand{display:flex;flex-direction:column;justify-content:center;flex:0 0 auto;padding:4px 0}
  .brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
  .brand-sub{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--text-2);line-height:1.3;margin-top:2px}
  .search{position:relative;flex:1 1 auto;max-width:360px;margin-left:8px}
  .search input{
    width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
    background:transparent;padding:0 16px 0 42px;font-size:14px;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease)
  }
  .search input::placeholder{color:var(--text-3)}
  .search input:focus{outline:none;border-color:var(--lime-dark);box-shadow:0 0 0 3px rgba(182,242,74,.35)}
  .search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}
  .nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
  .link-quiet{font-size:14px;font-weight:600;color:var(--text-2);position:relative;padding:4px 0;transition:color .2s var(--ease)}
  .link-quiet::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
  .link-quiet:hover{color:var(--ink)}
  .link-quiet:hover::after{transform:scaleX(1)}
  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
    background:#fff;align-items:center;justify-content:center;cursor:pointer
  }
  .burger:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
    border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease)
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:var(--ink);background:#F0F2EC}
  .btn-sm{height:42px;padding:0 18px;font-size:14px}
  .btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  /* ---------- 频道 Tabs ---------- */
  .nav-tabs-wrap{
    position:sticky;top:0;z-index:40;background:rgba(246,246,242,.94);
    border-bottom:1px solid var(--line);backdrop-filter:blur(10px)
  }
  .nav-tabs{
    display:flex;gap:8px;overflow-x:auto;padding:10px 0;
    scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none
  }
  .nav-tabs::-webkit-scrollbar{display:none}
  .tab{
    flex:0 0 auto;scroll-snap-align:start;padding:9px 18px;border-radius:999px;font-size:14px;
    font-weight:600;color:var(--text-2);border:1px solid transparent;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)
  }
  .tab:hover{background:#EFEFE9;color:var(--ink)}
  .tab.active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
  .tab:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  /* ---------- 抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;z-index:80;background:rgba(14,20,18,.6);
    opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease)
  }
  .drawer.open{opacity:1;visibility:visible}
  .drawer-panel{
    position:absolute;top:0;left:0;width:min(320px,86vw);height:100%;background:#fff;
    border-right:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:6px;
    transform:translateX(-16px);transition:transform .28s var(--ease);overflow-y:auto
  }
  .drawer.open .drawer-panel{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
  .drawer-link{display:block;padding:13px 12px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2)}
  .drawer-link:hover{background:#F3F4EF;color:var(--ink)}
  .drawer-link.active{background:var(--lime);color:var(--ink)}
  .drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}

  /* ---------- 板块基础 ---------- */
  .section{padding:56px 0;scroll-margin-top:84px}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;justify-content:space-between;margin-bottom:32px}
  .section-title{font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
  .section-sub{color:var(--text-2);font-size:15px;max-width:660px;margin-top:10px}

  /* ---------- Hero ---------- */
  .page-hero{
    padding:64px 0 72px;border-bottom:1px solid var(--line);
    background-image:linear-gradient(100deg,#F6F6F2 0%,rgba(246,246,242,.94) 42%,rgba(246,246,242,.55) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center
  }
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--orange)}
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block}
  .hero-title{font-size:clamp(34px,4.4vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin-top:18px;max-width:820px}
  .hero-lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:720px;margin-top:20px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:13px;color:var(--text-3)}
  .hero-meta b{color:var(--text);font-family:ui-monospace,"SF Mono",Menlo,monospace;font-weight:600}

  /* ---------- 表单双栏 ---------- */
  .support-grid{display:grid;grid-template-columns:1fr;gap:28px}
  @media (min-width:1024px){.support-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}

  .side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1)}
  .side-title{font-size:20px;font-weight:600;line-height:1.4}
  .check-list{margin-top:20px}
  .check-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
  .check-item:first-child{border-top:none;padding-top:0}
  .check-num{
    font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:14px;font-weight:700;color:var(--orange);
    flex:0 0 28px;line-height:1.6
  }
  .check-text strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
  .check-text span{font-size:14px;color:var(--text-2);line-height:1.75}
  .media-card{margin-top:22px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:#fff}
  .media-card img{width:100%;height:190px;object-fit:cover;transition:transform .5s var(--ease)}
  .media-card:hover img{transform:scale(1.04)}
  .media-cap{padding:12px 14px;font-size:12px;color:var(--text-3);border-top:1px solid var(--line)}

  .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1)}
  @media (min-width:768px){.panel{padding:32px}}
  .panel-title{font-size:22px;font-weight:700;letter-spacing:-.2px}
  .panel-desc{font-size:14px;color:var(--text-2);margin-top:8px}
  .field{margin-top:20px}
  .field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
  .req{color:var(--orange);margin-left:4px}
  .input,.select,.textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
    font-size:16px;line-height:1.6;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
  }
  .input,.select{height:48px;padding:0 14px}
  .select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#5C665F 50%),linear-gradient(135deg,#5C665F 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
  .textarea{min-height:136px;padding:12px 14px;resize:vertical}
  .input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(182,242,74,.4)}
  .input::placeholder,.textarea::placeholder{color:var(--text-3)}
  .err{display:none;font-size:12px;color:var(--orange);margin-top:6px}
  .field.has-error .input,.field.has-error .select,.field.has-error .textarea{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,53,.15)}
  .field.has-error .err{display:block}
  .check-row{display:flex;align-items:flex-start;gap:10px;margin-top:20px}
  .check-row input[type=checkbox]{width:18px;height:18px;margin-top:3px;accent-color:#B6F24A;flex:0 0 18px}
  .check-row label{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;font-weight:400}
  .check-row label a{color:var(--text);border-bottom:1px solid var(--lime-dark)}
  .check-row label a:hover{background:var(--lime-light)}
  .btn-submit{width:100%;margin-top:22px}
  .privacy-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}
  .success{
    display:none;align-items:flex-start;gap:10px;margin-top:20px;padding:14px 16px;
    background:#F1FBE0;border:1px solid var(--lime-dark);border-radius:var(--r-input);font-size:14px;color:#2C3A20
  }
  .success.show{display:flex}
  .success svg{flex:0 0 18px;margin-top:3px;color:#5C8B1E}

  /* ---------- 信息小卡 ---------- */
  .info-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.info-grid{grid-template-columns:repeat(3,1fr)}}
  .info-card{
    display:flex;gap:14px;padding:22px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:box-shadow .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease)
  }
  .info-card:hover{box-shadow:var(--shadow-2);border-color:#D3D8CF;transform:translateY(-2px)}
  .info-icon{
    flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--lime-light);
    display:grid;place-items:center;color:var(--ink)
  }
  .info-title{font-size:16px;font-weight:600}
  .info-text{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.75}
  .info-text b{font-family:ui-monospace,"SF Mono",Menlo,monospace;color:var(--text);font-weight:600}

  /* ---------- 求助类型卡 ---------- */
  .help-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.help-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.help-grid{grid-template-columns:repeat(4,1fr)}}
  .help-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;display:flex;flex-direction:column;gap:12px;
    transition:box-shadow .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease)
  }
  .help-card:hover{box-shadow:var(--shadow-2);border-color:#D3D8CF;transform:translateY(-3px)}
  .help-tag{
    align-self:flex-start;font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;
    background:#F1F2EC;border:1px solid var(--line);color:var(--text-2)
  }
  .help-card:nth-child(2) .help-tag{background:var(--orange-light);border-color:#FFC9B0;color:#8A3A18}
  .help-card:nth-child(4) .help-tag{background:#F1FBE0;border-color:#CBEB98;color:#3E5D18}
  .help-title{font-size:17px;font-weight:600;line-height:1.45}
  .help-text{font-size:14px;color:var(--text-2);line-height:1.75}

  /* ---------- 示意图 ---------- */
  .map-box{
    position:relative;aspect-ratio:16/9;width:100%;border:1px dashed #C9CFC6;border-radius:var(--r-card);
    background-image:linear-gradient(rgba(14,20,18,.62),rgba(14,20,18,.62)),url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;display:grid;place-items:center;overflow:hidden
  }
  .map-inner{text-align:center;padding:24px;max-width:520px}
  .map-inner h3{font-size:20px;font-weight:600;color:#F2F5EF}
  .map-inner p{font-size:14px;color:#C9D2C6;margin-top:10px;line-height:1.75}
  .map-note{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:8px 14px;border-radius:999px;
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#E4EADF;font-size:13px
  }

  /* ---------- CTA 条 ---------- */
  .cta-band{
    background:var(--ink);border-radius:var(--r-card);padding:32px 26px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px
  }
  @media (min-width:768px){.cta-band{padding:40px 44px}}
  .cta-text h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;color:#F2F5EF;line-height:1.35}
  .cta-text p{font-size:14px;color:#A8B3A9;margin-top:10px;max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.32);color:#F2F5EF}
  .btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#F2F5EF;padding:64px 0 0;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px}}
  .footer-brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
  .footer-brand-sub{font-size:11px;letter-spacing:.14em;color:#A8B3A9;margin:4px 0 14px}
  .footer-brand p{font-size:14px;line-height:1.8;color:#A8B3A9;max-width:360px}
  .footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:#F2F5EF;margin-bottom:14px}
  .footer-link{display:block;font-size:14px;color:#A8B3A9;padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
  .footer-link:hover{color:var(--lime);transform:translateX(-2px)}
  .footer-bottom{
    margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A948C
  }
  .footer-bottom a{color:#A8B3A9}
  .footer-bottom a:hover{color:var(--lime)}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    .reveal{opacity:1!important;transform:none!important}
  }

  /* ---------- 响应式细节 ---------- */
  @media (max-width:900px){
    .search{display:none}
    .nav-actions .btn,.nav-actions .link-quiet{display:none}
    .burger{display:flex;margin-left:auto}
  }
  @media (max-width:520px){
    .hero-actions .btn{width:100%}
    .check-item{flex-direction:column;gap:6px}
    .check-num{flex:none}
    .info-card{flex-direction:row}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
  }