/* roulang page: index */
:root{
  --brand:#00C6A7; --brand-deep:#0AA98F; --grape:#6C5CE7; --sun:#FF9F1C;
  --ink:#111318; --ink-2:#3B4252; --ink-3:#6B7280;
  --bg:#F6F8FC; --card:#FFFFFF; --line:rgba(17,24,39,.08); --line-strong:rgba(17,24,39,.14);
  --soft:#E6FBF6;
  --grad:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 58%,#FF9F1C 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,198,167,.14),rgba(108,92,231,.12) 60%,rgba(255,159,28,.12));
  --r-lg:28px; --r-md:24px; --r-sm:16px;
  --shadow:0 18px 48px rgba(17,24,39,.08);
  --shadow-hi:0 26px 60px rgba(17,24,39,.14);
  --gap:24px; --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:17px;line-height:1.75;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-deep);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
.lead{color:var(--ink-2);font-size:16px;line-height:1.8}
.muted{color:var(--ink-3);font-size:14px}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 10px 24px rgba(0,198,167,.32);
}
.brand-text{font-size:18px;font-weight:800;line-height:1.15;white-space:nowrap}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:.16em}
.nav-pill{display:flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px;margin-left:8px}
.nav-pill a{
  padding:8px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:.22s ease;white-space:nowrap;
}
.nav-pill a:hover{color:var(--brand-deep);background:#fff}
.nav-pill a.active{background:#fff;color:var(--ink);box-shadow:0 6px 18px rgba(17,24,39,.09)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line-strong);
  border-radius:999px;padding:8px 14px;min-width:200px;transition:.22s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,198,167,.18)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.search-box svg{flex-shrink:0;color:var(--ink-3)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 22px}
.mobile-menu.open{display:block}
.mobile-menu a.m-link{display:block;padding:13px 14px;border-radius:14px;font-weight:600;color:var(--ink-2)}
.mobile-menu a.m-link:hover,.mobile-menu a.m-link.active{background:var(--soft);color:var(--brand-deep)}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
  font-weight:700;font-size:15px;padding:12px 24px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 32px rgba(108,92,231,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(108,92,231,.32);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--grad-soft);border-color:rgba(0,198,167,.35);transform:translateY(-2px)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* badges */
.badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;color:var(--ink-2);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--grad)}
.badge b{font-size:15px;color:var(--ink);font-weight:800}
.badge-soft{background:var(--soft);border-color:transparent;color:#0B7F6B}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:999px;background:var(--soft);color:#0B7F6B;
}
.tag-grape{background:rgba(108,92,231,.12);color:#5142C9}
.tag-sun{background:rgba(255,159,28,.15);color:#B36A00}
/* hero */
.hero{position:relative;overflow:hidden;padding:76px 0 84px}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto auto;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(0,198,167,.22),rgba(108,92,231,.16) 45%,rgba(255,159,28,0) 70%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,56px);line-height:1.1;font-weight:800;margin:18px 0 20px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:420px;
  background:linear-gradient(180deg,rgba(17,19,24,.15),rgba(17,19,24,.72)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  box-shadow:var(--shadow-hi);border:1px solid rgba(255,255,255,.24);
  display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff;
}
.hero-card h3{font-size:22px;line-height:1.35}
.hero-card p{color:rgba(255,255,255,.82);font-size:14px;margin-top:8px}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.94);
  border-radius:18px;padding:11px 16px;box-shadow:var(--shadow);color:var(--ink);
}
.float-badge .fb-num{font-size:19px;font-weight:800;line-height:1}
.float-badge .fb-txt{font-size:11px;color:var(--ink-3)}
.fb-1{top:28px;left:24px}
.fb-2{top:96px;right:20px}
/* generic card */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi);border-color:rgba(0,198,167,.32)}
.card-pad{padding:26px}
/* compare table */
.compare-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th,table.compare td{padding:18px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
table.compare thead th{font-size:14px;color:var(--ink-3);font-weight:700;background:#fff;position:sticky;top:0}
table.compare tbody tr:nth-child(even){background:rgba(230,251,246,.5)}
table.compare tbody tr:hover{background:var(--soft)}
table.compare td:first-child{font-weight:700;color:var(--ink);width:26%}
table.compare .col-hi{background:rgba(108,92,231,.06);font-weight:700;color:#4B3FD1}
.yes{color:#0AA98F;font-weight:800}
.no{color:#B0B6C3;font-weight:700}
/* level track */
.track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.track::before{
  content:"";position:absolute;left:6%;right:6%;top:34px;height:3px;border-radius:3px;background:var(--grad);opacity:.4;
}
.level-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow);transition:.25s ease}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi);border-color:rgba(108,92,231,.3)}
.level-dot{
  position:relative;z-index:1;width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 12px 26px rgba(0,198,167,.3);margin-bottom:16px;
}
.level-card h3{font-size:19px;margin-bottom:6px}
.level-card .muted{margin-bottom:14px}
.level-tags{display:flex;flex-wrap:wrap;gap:8px}
/* feature grid */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);margin-top:44px}
.m-item{position:relative;overflow:hidden;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s ease;display:flex;flex-direction:column}
.m-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi);border-color:rgba(0,198,167,.32)}
.m-item img{width:100%;height:200px;object-fit:cover;transition:transform .5s ease}
.m-item:hover img{transform:scale(1.04)}
.m-body{padding:20px 22px 24px}
.m-body h3{font-size:18px;margin-bottom:8px}
.m-a{grid-column:span 7}
.m-b{grid-column:span 5}
.m-c{grid-column:span 4}
.m-d{grid-column:span 4}
.m-e{grid-column:span 4}
.m-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.lock{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:#B36A00;background:rgba(255,159,28,.15);padding:4px 10px;border-radius:999px}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-top:44px}
.news-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow);transition:.25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi);border-color:rgba(0,198,167,.32)}
.news-card .thumb{width:150px;flex:0 0 150px;height:118px;border-radius:18px;overflow:hidden;background:var(--soft)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;transition:color .2s ease}
.news-card:hover h3{color:var(--brand-deep)}
.news-card p{font-size:14px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12.5px;color:var(--ink-3)}
.empty-state{
  grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--line-strong);
  border-radius:var(--r-md);padding:52px 24px;box-shadow:var(--shadow);
}
.empty-state .ico{width:64px;height:64px;border-radius:20px;background:var(--grad-soft);display:grid;place-items:center;margin:0 auto 16px;font-size:26px}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-top:40px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:34px;font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--ink-3)}
/* faq */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.faq-item{border:1px solid var(--line);border-radius:20px;background:#fff;margin-bottom:14px;overflow:hidden;transition:.22s ease}
.faq-item:hover{background:var(--soft);border-color:rgba(0,198,167,.32)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--grad-soft);display:grid;place-items:center;transition:transform .25s ease;font-size:12px;color:var(--brand-deep)}
.faq-item[open]{background:#fff;border-color:rgba(0,198,167,.4)}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.8}
.faq-body ul{padding-left:0;margin-top:10px}
.faq-body li{position:relative;padding-left:18px;margin-bottom:6px}
.faq-body li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--grad)}
/* CTA */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px;color:#fff;
  background:var(--grad);box-shadow:0 30px 70px rgba(108,92,231,.28);
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card h2{font-size:clamp(24px,3vw,34px);line-height:1.25;position:relative;z-index:1}
.cta-card p{color:rgba(255,255,255,.9);margin-top:14px;position:relative;z-index:1;font-size:16px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative;z-index:1}
.cta-points span{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.btn-light{background:#fff;color:#2A1E8F}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(0,0,0,.2)}
/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:16px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em}
.site-footer a{display:block;font-size:14.5px;padding:5px 0;color:rgba(255,255,255,.72);transition:.2s ease}
.site-footer a:hover{color:var(--brand)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-text{color:#fff}
.foot-brand .brand-sub{color:rgba(255,255,255,.5)}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55)}
@media (max-width:1024px){
  .nav-pill{display:none}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .track{grid-template-columns:repeat(2,1fr)}
  .track::before{display:none}
  .m-a,.m-b,.m-c,.m-d,.m-e{grid-column:span 6}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:38px 30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .hero{padding:48px 0 56px}
  .container{padding:0 18px}
  .hero-badges{gap:8px}
  .badge{padding:6px 12px;font-size:12.5px}
  .news-card{flex-direction:column}
  .news-card .thumb{width:100%;flex:none;height:170px}
  .track{grid-template-columns:1fr}
  .m-a,.m-b,.m-c,.m-d,.m-e{grid-column:span 12}
  .cta-card{padding:30px 22px}
  .foot-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero-card{min-height:340px}
  .float-badge{padding:9px 13px}
  .fb-2{top:80px}
}

/* roulang page: article */
:root{
    --ink:#111318;
    --ink-soft:#39414f;
    --text:#2b3240;
    --muted:#6b7280;
    --teal:#00C6A7;
    --violet:#6C5CE7;
    --orange:#FF9F1C;
    --bg:#F6F8FC;
    --card:#FFFFFF;
    --mint:#E6FBF6;
    --line:rgba(17,24,39,.08);
    --line-soft:rgba(17,24,39,.06);
    --r-xl:26px;
    --r-lg:22px;
    --r-md:16px;
    --r-sm:12px;
    --shadow:0 18px 48px rgba(17,24,39,.08);
    --shadow-hover:0 26px 60px rgba(17,24,39,.14);
    --grad:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 62%,#FF9F1C 100%);
    --container:1240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font-family:inherit}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.25}
  p{margin:0 0 16px}
  ul{margin:0;padding-left:20px}
  :focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:8px}
  .container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
  .num{font-variant-numeric:tabular-nums}

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.9);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-soft);
  }
  .header-inner{display:flex;align-items:center;gap:18px;min-height:76px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;flex-shrink:0;
    background:var(--grad);color:#fff;
    display:grid;place-items:center;
    font-weight:800;font-size:18px;
    box-shadow:0 10px 22px rgba(0,198,167,.32);
  }
  .brand-text{font-weight:800;font-size:17.5px;color:var(--ink);letter-spacing:.2px;line-height:1.15}
  .brand-sub{display:block;font-size:10px;letter-spacing:.22em;color:var(--muted);font-weight:600;margin-top:3px}
  .nav-pill{
    display:flex;gap:4px;margin-left:auto;
    background:#F1F4FA;border-radius:999px;padding:5px;
  }
  .nav-pill a{
    padding:8px 16px;border-radius:999px;
    font-size:14.5px;font-weight:600;color:var(--ink-soft);
    transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;
  }
  .nav-pill a:hover{background:#fff;color:var(--ink);box-shadow:0 6px 16px rgba(17,24,39,.08)}
  .nav-pill a.active{background:#fff;color:var(--teal);box-shadow:0 6px 16px rgba(17,24,39,.1)}
  .header-actions{display:flex;align-items:center;gap:10px}
  .search-mini{
    display:flex;align-items:center;gap:6px;
    background:#F1F4FA;border-radius:999px;padding:5px 5px 5px 16px;
    border:1px solid transparent;transition:border-color .2s,background .2s;
  }
  .search-mini:focus-within{background:#fff;border-color:rgba(0,198,167,.45)}
  .search-mini input{
    border:0;background:transparent;outline:none;
    font-size:14px;width:122px;color:var(--ink);padding:5px 0;
  }
  .search-mini input::placeholder{color:#98a1b0}
  .search-mini button{
    border:0;background:var(--ink);color:#fff;border-radius:999px;
    padding:7px 15px;font-size:13px;font-weight:700;cursor:pointer;
    transition:background .2s;
  }
  .search-mini button:hover{background:#2b3240}
  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:14px;
    border:1px solid var(--line);background:#fff;cursor:pointer;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s,opacity .22s}
  .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)}
  .mobile-drawer{display:none;border-top:1px solid var(--line-soft);background:#fff;padding:16px 0 22px}
  .mobile-drawer.open{display:block}
  .mobile-drawer a.drawer-link{
    display:block;padding:13px 16px;border-radius:14px;
    font-size:16px;font-weight:600;color:var(--ink-soft);margin-bottom:6px;
    background:#F7F9FD;transition:background .2s,color .2s;
  }
  .mobile-drawer a.drawer-link:hover,.mobile-drawer a.drawer-link.active{background:var(--mint);color:#0e7f6c}
  .drawer-cta{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;font-size:15px;
    padding:12px 24px;border:1px solid transparent;cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background .18s,color .18s,border-color .18s;
    white-space:nowrap;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px rgba(108,92,231,.26)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(108,92,231,.34);filter:brightness(1.04)}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(108,92,231,.24)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{background:var(--mint);border-color:rgba(0,198,167,.4);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-block{width:100%}

  /* ============ 通用元素 ============ */
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    border-radius:999px;padding:5px 13px;
    font-size:13px;font-weight:600;
    background:var(--mint);color:#0e7f6c;border:1px solid rgba(0,198,167,.24);
  }
  .chip-violet{background:#EEECFD;color:#5646d6;border-color:rgba(108,92,231,.22)}
  .chip-orange{background:#FFF3E2;color:#b96e00;border-color:rgba(255,159,28,.28)}
  .chip-plain{background:#F1F4FA;color:var(--ink-soft);border-color:var(--line)}
  .card{
    background:var(--card);border:1px solid var(--line-soft);
    border-radius:var(--r-lg);box-shadow:var(--shadow);
    padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,198,167,.28)}
  .section-title{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px}
  .section-sub{color:var(--muted);font-size:15px;margin-bottom:26px}

  /* ============ 文章头部区域 ============ */
  .article-hero{
    background:linear-gradient(180deg,#EAF8F5 0%,#F6F8FC 100%);
    padding:24px 0 34px;border-bottom:1px solid var(--line-soft);
  }
  .crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:18px}
  .crumbs a{color:var(--muted);transition:color .18s}
  .crumbs a:hover{color:var(--teal)}
  .crumbs .sep{color:#c3cad6}
  .crumb-current{color:var(--ink-soft);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .article-head{max-width:860px}
  .tag-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
  .article-head h1{font-size:clamp(25px,3.6vw,42px);line-height:1.22;margin-bottom:16px;letter-spacing:.2px}
  .meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:14px}
  .meta-row .dot{width:7px;height:7px;border-radius:50%;background:var(--grad);flex-shrink:0}
  .meta-row .sep{width:1px;height:14px;background:#d8dee8}

  /* ============ 文章布局 ============ */
  .article-wrap{
    display:grid;grid-template-columns:minmax(0,820px) 316px;
    gap:44px;justify-content:center;
    padding:44px 0 80px;
  }
  .article-main{min-width:0}
  .article-cover{
    margin:0 0 32px;border-radius:24px;overflow:hidden;
    border:1px solid var(--line-soft);box-shadow:var(--shadow);
  }
  .article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform .5s ease}
  .article-cover:hover img{transform:scale(1.03)}
  .article-body{font-size:17px;line-height:1.85;color:var(--text);word-break:break-word}
  .article-body h2{font-size:clamp(21px,2.3vw,27px);margin:38px 0 14px;padding-left:16px;position:relative}
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:5px;
    border-radius:999px;background:var(--grad);
  }
  .article-body h3{font-size:19.5px;margin:28px 0 12px}
  .article-body h4{font-size:17.5px;margin:22px 0 10px}
  .article-body p{margin:0 0 18px}
  .article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
  .article-body li{margin-bottom:10px}
  .article-body li::marker{color:var(--teal)}
  .article-body img{max-width:100%;border-radius:20px;margin:10px 0 20px;box-shadow:var(--shadow)}
  .article-body a{color:#0e9b85;text-decoration:underline;text-underline-offset:3px;transition:color .18s}
  .article-body a:hover{color:var(--violet)}
  .article-body blockquote{
    margin:26px 0;padding:18px 24px;background:var(--mint);
    border-left:4px solid var(--teal);border-radius:16px;color:#1f3b38;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body hr{border:0;border-top:1px dashed #d8dee8;margin:32px 0}
  .article-body table{
    width:100%;border-collapse:collapse;margin:0 0 22px;
    font-size:15.5px;border-radius:14px;overflow:hidden;
  }
  .article-body table th,.article-body table td{
    border:1px solid var(--line);padding:11px 14px;text-align:left;
  }
  .article-body table th{background:#F1F4FA;font-weight:700;color:var(--ink)}
  .article-body table tr:nth-child(even) td{background:#FAFDFF}
  .article-body figure{margin:22px 0}
  .article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}

  /* ============ 空态 ============ */
  .empty-state{
    text-align:center;padding:56px 28px;border-radius:var(--r-xl);
    background:#fff;border:1px dashed rgba(0,198,167,.35);box-shadow:var(--shadow);
  }
  .empty-ico{
    width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
    display:grid;place-items:center;background:var(--grad);
    color:#fff;font-size:26px;font-weight:800;
  }
  .empty-state h2{font-size:22px;margin-bottom:10px}
  .empty-state p{color:var(--muted);max-width:460px;margin:0 auto 22px}

  /* ============ 文末操作 ============ */
  .article-foot{
    margin-top:40px;padding-top:28px;border-top:1px solid var(--line-soft);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  }
  .foot-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* ============ 相关阅读 ============ */
  .related{margin-top:52px}
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:20px}
  .rel-card{
    background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s;display:block;
  }
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,198,167,.3)}
  .rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
  .rel-card:hover img{transform:scale(1.05)}
  .rel-body{padding:16px 18px 20px}
  .rel-body h3{font-size:16.5px;line-height:1.4;margin-bottom:8px;transition:color .18s}
  .rel-card:hover h3{color:var(--teal)}
  .rel-body p{font-size:13.8px;color:var(--muted);margin:0 0 12px;line-height:1.6}
  .rel-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#8b93a3}

  /* ============ 侧栏 ============ */
  .article-side{display:flex;flex-direction:column;gap:20px}
  .side-card h3,.side-cta h3{font-size:16.5px;margin-bottom:14px}
  .side-list{list-style:none;padding:0;margin:0}
  .side-list li{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
  }
  .side-list li:last-child{border-bottom:0;padding-bottom:0}
  .side-list span{color:var(--muted);flex-shrink:0}
  .side-list strong{color:var(--ink);font-weight:700;text-align:right;word-break:break-all}
  .side-cta{
    background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
    padding:24px;box-shadow:var(--shadow);
    position:relative;overflow:hidden;
  }
  .side-cta::before{
    content:"";position:absolute;inset:0 auto auto 0;width:100%;height:5px;background:var(--grad);
  }
  .side-cta p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
  .side-links{display:flex;flex-direction:column;gap:8px}
  .side-links a{
    display:flex;align-items:center;justify-content:space-between;
    padding:11px 14px;border-radius:14px;background:#F7F9FD;
    font-size:14.5px;font-weight:600;color:var(--ink-soft);
    transition:background .2s,color .2s,transform .2s;
  }
  .side-links a:hover{background:var(--mint);color:#0e7f6c;transform:translateX(3px)}
  .side-links a::after{content:"→";color:var(--teal);font-weight:700}

  /* ============ 底部 CTA ============ */
  .cta-band{padding:0 0 76px}
  .cta-card{
    position:relative;overflow:hidden;border-radius:28px;
    background:var(--grad);color:#fff;padding:44px 46px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
    box-shadow:0 28px 60px rgba(108,92,231,.28);
  }
  .cta-card::after{
    content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
    border-radius:50%;background:rgba(255,255,255,.14);
  }
  .cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
  .cta-card p{color:rgba(255,255,255,.9);max-width:620px;margin:0;font-size:15.5px}
  .cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
  .cta-badges span{
    background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);
    border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
  }
  .cta-card .btn{position:relative;z-index:2}
  .cta-card .btn-light{background:#fff;color:#1c2233;box-shadow:0 16px 34px rgba(0,0,0,.18)}
  .cta-card .btn-light:hover{transform:translateY(-2px);filter:none;box-shadow:0 22px 40px rgba(0,0,0,.24)}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:#c8ced9;padding:64px 0 28px}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
  .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .site-footer .brand-text{color:#fff}
  .site-footer .brand-sub{color:#8b93a3}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
  .site-footer a{display:block;color:#9aa3b2;font-size:14.5px;margin-bottom:10px;transition:color .18s,transform .18s}
  .site-footer a:hover{color:var(--teal);transform:translateX(2px)}
  .site-footer p{color:#9aa3b2;font-size:14.5px}
  .foot-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    font-size:13.5px;color:#8b93a3;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1200px){
    .search-mini input{width:96px}
  }
  @media (max-width:1023px){
    .nav-pill{display:none}
    .search-mini{display:none}
    .menu-toggle{display:inline-flex}
    .header-actions{margin-left:auto}
    .article-wrap{grid-template-columns:minmax(0,1fr);gap:34px;padding:34px 0 64px}
    .article-side{order:2}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .foot-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:767px){
    body{font-size:16px}
    .container{padding:0 18px}
    .header-inner{min-height:68px;gap:12px}
    .brand-text{font-size:16px}
    .brand-sub{display:none}
    .article-hero{padding:18px 0 26px}
    .crumb-current{max-width:30ch}
    .article-body{font-size:16.5px;line-height:1.8}
    .related-grid{grid-template-columns:minmax(0,1fr)}
    .cta-card{padding:32px 24px;border-radius:24px}
    .article-foot{flex-direction:column;align-items:flex-start}
    .foot-bottom{flex-direction:column;gap:8px}
  }
  @media (max-width:520px){
    .article-head h1{font-size:clamp(22px,6.4vw,30px)}
    .article-cover img{aspect-ratio:16/10}
    .cta-band{padding-bottom:56px}
    .btn{padding:11px 20px;font-size:14.5px}
  }

/* roulang page: category1 */
:root{
  --brand:#00C6A7;
  --brand-2:#6C5CE7;
  --accent:#FF9F1C;
  --ink:#111318;
  --ink-soft:#3b414f;
  --muted:#6b7280;
  --bg:#F6F8FC;
  --card:#ffffff;
  --mint:#E6FBF6;
  --line:rgba(17,24,39,.08);
  --grad:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 62%,#FF9F1C 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,198,167,.12) 0%,rgba(108,92,231,.12) 60%,rgba(255,159,28,.12) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-sm:0 6px 18px rgba(17,24,39,.06);
  --shadow:0 18px 48px rgba(17,24,39,.08);
  --shadow-lg:0 28px 70px rgba(17,24,39,.16);
  --section:clamp(48px,7vw,92px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(0,198,167,.22)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 22px}
.section{padding:var(--section) 0}
.section-head{max-width:820px;margin-bottom:clamp(28px,4vw,48px)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;margin:14px 0 12px}
.section-head p{color:var(--ink-soft);font-size:16.5px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--ink-soft);box-shadow:var(--shadow-sm)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad)}
.eyebrow-dark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#dfe4ec;box-shadow:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 10px 22px rgba(0,198,167,.32)}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;font-weight:800}
.brand-sub{font-size:9.5px;letter-spacing:.24em;color:var(--muted);font-weight:600}
.nav-pill{display:flex;gap:4px;padding:5px;border-radius:999px;background:#f1f4f9}
.nav-pill a{padding:9px 18px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-soft);transition:background .22s,color .22s,box-shadow .22s}
.nav-pill a:hover{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
.nav-pill a.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:#f1f4f9;border:1px solid transparent;border-radius:999px;padding:9px 16px;transition:.22s}
.search-box:focus-within{background:#fff;border-color:rgba(0,198,167,.5);box-shadow:0 0 0 4px rgba(0,198,167,.13)}
.search-box i{color:var(--muted);font-size:13.5px}
.search-box input{border:0;background:transparent;outline:none;width:130px;font-size:14.5px;color:var(--ink)}
.search-box input::placeholder{color:#9aa3b2}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 26px;font-size:15.5px;font-weight:700;transition:transform .2s,box-shadow .22s,background .22s,color .22s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px rgba(0,198,167,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(108,92,231,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{background:var(--mint);transform:translateY(-2px);border-color:rgba(0,198,167,.35)}
.btn-sm{padding:10px 20px;font-size:14.5px}
.burger{display:none;width:44px;height:44px;border-radius:14px;background:#f1f4f9;align-items:center;justify-content:center;font-size:17px;color:var(--ink)}
.drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 22px 24px}
.drawer.open{display:block}
.drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.drawer nav a{padding:12px 14px;border-radius:14px;font-weight:600;color:var(--ink-soft)}
.drawer nav a.active{background:var(--mint);color:var(--brand)}
.drawer nav a:hover{background:#f5f7fb}
.drawer .search-box{width:100%;margin-bottom:12px}
.drawer .search-box input{width:100%}
.drawer .btn{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(720px 340px at 88% -8%,rgba(0,198,167,.16),transparent 62%),
  radial-gradient(620px 320px at 6% 6%,rgba(108,92,231,.13),transparent 60%),
  var(--bg)}
.hero-inner{padding:clamp(36px,5.4vw,68px) 0 clamp(36px,5vw,62px);display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(26px,4vw,54px);align-items:center}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--brand)}
.crumbs .cur{color:var(--ink);font-weight:600}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.12;font-weight:800;margin:16px 0 18px}
.hero .lead{font-size:clamp(16px,1.6vw,18px);color:var(--ink-soft);max-width:600px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 17px;font-size:14px;color:var(--ink-soft);box-shadow:var(--shadow-sm)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--grad)}
.badge strong{color:var(--ink);font-variant-numeric:tabular-nums}
.hero-visual{position:relative}
.visual-frame{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.7)}
.visual-frame img{width:100%;height:clamp(280px,36vw,400px);object-fit:cover}
.visual-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,24,39,.05),rgba(17,24,39,.42))}
.visual-note{position:absolute;left:20px;right:20px;bottom:20px;color:#fff;z-index:2}
.visual-note strong{display:block;font-size:18px;font-weight:800;margin-bottom:4px}
.visual-note span{font-size:13.5px;color:rgba(255,255,255,.84)}
.float-card{position:absolute;background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:13px 17px;font-size:13.5px;color:var(--ink-soft);font-weight:600;display:flex;align-items:center;gap:10px}
.float-card i{color:var(--brand)}
.fc-1{top:-14px;right:14px}
.fc-2{bottom:-16px;left:-10px}
.fc-num{color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- filter + topics ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{padding:10px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14.5px;font-weight:600;color:var(--ink-soft);box-shadow:var(--shadow-sm);transition:.22s}
.chip:hover{color:var(--brand);border-color:rgba(0,198,167,.4);transform:translateY(-2px)}
.chip.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 12px 26px rgba(0,198,167,.28)}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;gap:12px}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(0,198,167,.35)}
.topic-card.feature{grid-column:span 2;background:linear-gradient(150deg,#ffffff 0%,#f4fffb 100%)}
.topic-top{display:flex;align-items:center;gap:12px}
.topic-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--grad-soft);color:var(--brand-2);font-size:17px}
.topic-card h3{font-size:20px;font-weight:800}
.topic-card p{color:var(--ink-soft);font-size:15.5px;line-height:1.78}
.topic-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto;padding-top:6px}
.mini-badge{display:inline-flex;align-items:center;gap:6px;background:var(--mint);color:#0a7f6c;border-radius:999px;padding:6px 13px;font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums}
.mini-badge.warm{background:rgba(255,159,28,.14);color:#a96200}
.mini-badge.violet{background:rgba(108,92,231,.12);color:#4b3ec4}

/* ---------- rail ---------- */
.rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.rail-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px 20px 24px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s,box-shadow .25s}
.rail-item::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--grad)}
.rail-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rail-step{font-size:13px;font-weight:700;color:var(--brand-2);letter-spacing:.04em;margin-bottom:10px}
.rail-item h3{font-size:18px;font-weight:800;margin-bottom:8px}
.rail-item p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;margin-bottom:14px}

/* ---------- dark band ---------- */
.dark-band{background:#111318;color:#e8ecf3}
.dark-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(26px,4vw,54px);align-items:center}
.dark-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.28;margin:16px 0 14px;color:#fff}
.dark-band p.lead{color:#a7b0bf;font-size:16.5px;max-width:560px}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:30px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:20px}
.stat-num{font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{font-size:14px;color:#9ba4b3;margin-top:4px}
.dark-visual{border-radius:var(--r-xl);overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.dark-visual img{width:100%;height:clamp(260px,32vw,380px);object-fit:cover}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(108,92,231,.3)}
.scene-card.wide{grid-column:span 2;background:linear-gradient(130deg,#ffffff 0%,#f7f4ff 100%)}
.scene-icon{width:42px;height:42px;border-radius:13px;background:var(--grad-soft);display:grid;place-items:center;color:var(--brand);font-size:16px;margin-bottom:16px}
.scene-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--ink-soft);line-height:1.76}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-no{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:800;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-soft);line-height:1.75}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(26px,4vw,56px);align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.26;margin:14px 0 14px}
.faq-side p{color:var(--ink-soft);font-size:16px;max-width:420px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:border-color .25s,background .25s,box-shadow .25s}
.faq-item:hover{background:#f2fdfa;border-color:rgba(0,198,167,.35)}
.faq-item.is-open{border-color:rgba(0,198,167,.5);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink)}
.faq-q i{color:var(--brand);transition:transform .3s;font-size:14px;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .35s ease,opacity .3s ease,padding .3s ease;padding:0 24px}
.faq-item.is-open .faq-a{max-height:340px;opacity:1;padding:0 24px 22px}
.faq-a p{font-size:15px;color:var(--ink-soft);line-height:1.8}

/* ---------- cta ---------- */
.cta-card{position:relative;overflow:hidden;background:#111318;border-radius:var(--r-xl);padding:clamp(30px,4.4vw,56px);display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;box-shadow:var(--shadow-lg)}
.cta-card::before{content:"";position:absolute;inset:-40% -20% auto auto;width:520px;height:520px;background:var(--grad);opacity:.28;filter:blur(90px);border-radius:50%}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{font-size:clamp(24px,3.1vw,36px);font-weight:800;color:#fff;line-height:1.26;margin-bottom:14px}
.cta-card p{color:#a7b0bf;font-size:16px;max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-points .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#dde3ec;box-shadow:none}
.cta-points .badge strong{color:#fff}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-note{font-size:13px;color:#8b93a1;margin-top:4px}

/* ---------- footer ---------- */
.site-footer{background:#111318;color:#c9cfda;padding:66px 0 28px;margin-top:clamp(48px,7vw,92px)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700}
.site-footer a{display:block;color:#a9b1be;font-size:14.5px;padding:5px 0;transition:color .2s,transform .2s}
.site-footer a:hover{color:var(--brand);transform:translateX(3px)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.09);margin-top:38px;padding-top:22px;font-size:13px;color:#8b93a1}
.site-footer p{color:#a9b1be;font-size:14.5px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr}
  .float-card{position:static;margin-top:14px}
  .fc-1,.fc-2{top:auto;bottom:auto;left:auto;right:auto}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-card.feature{grid-column:span 2}
  .rail{grid-template-columns:repeat(3,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-card.wide{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dark-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .nav-pill{display:none}
  .header-right .search-box{display:none}
  .header-right .btn-primary{display:none}
  .burger{display:flex}
  .hero h1{font-size:clamp(27px,7vw,38px)}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  .topic-grid,.scene-grid,.steps,.rail,.stat-grid{grid-template-columns:1fr}
  .topic-card.feature,.scene-card.wide{grid-column:span 1}
  .hero-cta .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .cta-card{padding:28px 22px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-1:#00C6A7;
  --brand-2:#6C5CE7;
  --brand-3:#FF9F1C;
  --ink:#111318;
  --ink-2:#4A5265;
  --ink-3:#7B8499;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:rgba(17,24,39,.07);
  --mint:#E6FBF6;
  --danger:#E4574C;
  --grad:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 58%,#FF9F1C 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,198,167,.12) 0%,rgba(108,92,231,.14) 60%,rgba(255,159,28,.14) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --shadow:0 18px 48px rgba(17,24,39,.08);
  --shadow-sm:0 8px 24px rgba(17,24,39,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:18px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;
  box-shadow:0 10px 22px rgba(0,198,167,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.12}
.brand-sub{font-size:9.5px;letter-spacing:.2em;color:var(--ink-3);font-weight:700}
.nav-pill{
  display:flex;gap:4px;margin-left:auto;
  background:#F1F4FA;padding:5px;border-radius:999px;
}
.nav-pill a{
  padding:9px 18px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:background .22s,color .22s,box-shadow .22s;white-space:nowrap;
}
.nav-pill a:hover{background:#fff;color:var(--ink)}
.nav-pill a.active{background:#fff;color:var(--ink);box-shadow:0 6px 18px rgba(17,24,39,.1)}
.head-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-mini{display:flex;align-items:center;gap:8px;background:#F1F4FA;border-radius:999px;padding:8px 16px;transition:box-shadow .22s}
.search-mini:focus-within{box-shadow:0 0 0 2px rgba(0,198,167,.45)}
.search-mini i{color:var(--ink-3);font-size:13.5px}
.search-mini input{border:0;background:transparent;outline:none;font-size:14.5px;width:118px;color:var(--ink)}
.search-mini input::placeholder{color:var(--ink-3)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;place-items:center;
}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 24px 24px;
}
.drawer.open{display:block}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.drawer-links a{
  padding:12px 16px;border-radius:14px;font-weight:600;color:var(--ink-2);background:#F7F9FD;
}
.drawer-links a.active{background:var(--mint);color:var(--ink)}
.drawer .search-mini{width:100%;margin-bottom:14px;padding:12px 16px}
.drawer .search-mini input{width:100%}
.drawer .btn{width:100%}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 27px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(0,198,167,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(108,92,231,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:rgba(17,24,39,.11);color:var(--ink)}
.btn-ghost:hover{background:var(--mint);border-color:rgba(0,198,167,.36);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14.5px}

/* ============ BADGES ============ */
.badge{
  display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-size:14px;color:var(--ink-2);box-shadow:var(--shadow-sm);
}
.badge b{color:var(--ink);font-size:15.5px;font-weight:800;font-variant-numeric:tabular-nums}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto}
.tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--mint);color:#067A68;
  border-radius:999px;padding:5px 13px;font-size:13px;font-weight:700;
}
.tag-violet{background:rgba(108,92,231,.12);color:#4B3FC4}
.tag-orange{background:rgba(255,159,28,.15);color:#B4710A}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;
  letter-spacing:.06em;color:#067A68;background:var(--mint);
  border-radius:999px;padding:7px 16px;
}

/* ============ HERO ============ */
.hero-cat{position:relative;overflow:hidden;padding:52px 0 68px;background:linear-gradient(180deg,#EDF4FF 0%,var(--bg) 100%)}
.hero-cat::after{
  content:"";position:absolute;right:-180px;top:-220px;width:560px;height:560px;border-radius:50%;
  background:var(--grad);filter:blur(130px);opacity:.22;pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:16px}
.crumb a:hover{color:var(--brand-1)}
.crumb span{color:var(--ink-2);font-weight:600}
h1.hero-title{
  font-size:clamp(30px,4.6vw,52px);line-height:1.1;font-weight:800;margin:16px 0 18px;
}
h1.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17.5px;color:var(--ink-2);max-width:600px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.6);box-shadow:0 26px 60px rgba(17,24,39,.16);
}
.hero-visual img{width:100%;height:352px;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,19,24,0) 38%,rgba(17,19,24,.72) 100%);
}
.float-chip{
  position:absolute;left:20px;bottom:20px;right:20px;z-index:2;
  display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-radius:20px;padding:14px 20px;box-shadow:0 14px 34px rgba(17,24,39,.16);
}
.float-chip .cell{display:flex;flex-direction:column;min-width:76px}
.float-chip .cell b{font-size:20px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.float-chip .cell span{font-size:12.5px;color:var(--ink-3)}

/* ============ SECTION ============ */
.section{padding:78px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin:14px 0 14px}
.sec-head p{color:var(--ink-2);font-size:16.5px}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ COMPARE TABLE ============ */
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow);overflow:hidden;
}
.compare-top{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:24px 28px;border-bottom:1px solid var(--line);background:var(--grad-soft);
}
.compare-top h3{font-size:20px}
.compare-top p{font-size:14px;color:var(--ink-2);margin-top:4px}
.table-wrap{overflow-x:auto}
.compare-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;font-size:15.5px}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.compare-table thead th{
  background:#F3F6FC;font-weight:800;font-size:15px;color:var(--ink);
  position:sticky;top:0;z-index:2;
}
.compare-table thead th:first-child{color:var(--ink-2)}
.compare-table tbody tr:nth-child(even) td{background:#FAFCFE}
.compare-table tbody tr:hover td{background:var(--mint)}
.compare-table td:first-child{font-weight:700;color:var(--ink);white-space:normal;min-width:180px}
.compare-table .yes{color:var(--brand-1);font-weight:800;font-size:16px}
.compare-table .no{color:#C3CAD8;font-weight:800}
.compare-table .lv-head{display:flex;flex-direction:column;gap:4px}
.compare-table .lv-head span{font-size:12.5px;font-weight:600;color:var(--ink-3)}
.compare-note{padding:18px 28px;font-size:13.5px;color:var(--ink-3);background:#FBFCFE}

/* ============ LEVEL TRACK ============ */
.lv-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.lv-track::before{
  content:"";position:absolute;left:6%;right:6%;top:34px;height:4px;border-radius:999px;
  background:var(--grad);opacity:.55;z-index:0;
}
.lv-card{
  position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.lv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(0,198,167,.4)}
.lv-node{
  width:44px;height:44px;border-radius:50%;background:#fff;border:3px solid transparent;
  background-image:var(--grad);background-origin:border-box;
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px;
  box-shadow:0 8px 20px rgba(0,198,167,.28);margin-bottom:16px;
}
.lv-card h3{font-size:19px;margin-bottom:6px}
.lv-card .lv-desc{font-size:14px;color:var(--ink-2);margin-bottom:16px;min-height:44px}
.lv-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.lv-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:14px}
.lv-meta b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums}
.lv-meta span{font-size:12.5px;color:var(--ink-3)}

/* ============ MOSAIC ============ */
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.m-item{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.m-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.m-item:nth-child(1){grid-column:span 3}
.m-item:nth-child(2){grid-column:span 3}
.m-item:nth-child(3){grid-column:span 2}
.m-item:nth-child(4){grid-column:span 2}
.m-item:nth-child(5){grid-column:span 2}
.m-item:nth-child(6){grid-column:span 6;display:grid;grid-template-columns:300px 1fr;align-items:center}
.m-item img{width:100%;height:196px;object-fit:cover;transition:transform .35s}
.m-item:nth-child(6) img{height:200px}
.m-item:hover img{transform:scale(1.05)}
.m-body{padding:18px 20px 20px}
.m-body h3{font-size:17px;line-height:1.45;margin:10px 0 8px}
.m-item:hover .m-body h3{color:var(--brand-1)}
.m-body p{font-size:14px;color:var(--ink-2)}
.m-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.lock{
  display:inline-flex;align-items:center;gap:6px;background:rgba(17,19,24,.82);color:#fff;
  border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;
}
.cover-wrap{position:relative}
.cover-wrap .lock{position:absolute;top:12px;right:12px}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(108,92,231,.34)}
.step-no{
  width:38px;height:38px;border-radius:12px;background:var(--grad-soft);color:#4B3FC4;
  display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,34px);line-height:1.28;margin:14px 0 14px}
.faq-side p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px}
.faq-list{display:flex;flex-direction:column;gap:14px}
details.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:4px 22px;
  box-shadow:var(--shadow-sm);transition:background .2s,border-color .2s,box-shadow .2s;
}
details.faq-item:hover{background:var(--mint);border-color:rgba(0,198,167,.34)}
details.faq-item[open]{background:#fff;border-color:rgba(108,92,231,.35);box-shadow:var(--shadow)}
details.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-weight:700;font-size:16.5px;color:var(--ink);
}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary i{color:var(--brand-2);font-size:14px;transition:transform .28s}
details.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 0 20px;font-size:15px;color:var(--ink-2)}
.faq-body ul{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.faq-body li{display:flex;gap:10px;align-items:flex-start}
.faq-body li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-1);margin-top:9px;flex:0 0 auto}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 82px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 62%,#FF9F1C 100%);
  color:#fff;padding:48px 46px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center;
  box-shadow:0 30px 70px rgba(76,64,190,.32);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:380px;height:380px;border-radius:50%;
  background:rgba(255,255,255,.16);filter:blur(10px);
}
.cta-card h2{color:#fff;font-size:clamp(23px,2.6vw,32px);line-height:1.3;margin-bottom:14px}
.cta-card p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:600px}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-list span{
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.32);
  border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;
}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:stretch}
.btn-white{background:#fff;color:#2B2472;box-shadow:0 16px 34px rgba(17,19,24,.22)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(17,19,24,.26)}
.btn-white:active{transform:translateY(1px)}
.cta-side small{color:rgba(255,255,255,.86);font-size:13px;text-align:center;line-height:1.6}

/* ============ FOOTER ============ */
.site-footer{background:#111318;color:#C9CFDD;padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:800}
.site-footer a{display:block;color:#A9B1C3;font-size:14.5px;padding:6px 0;transition:color .2s,transform .2s}
.site-footer a:hover{color:var(--brand-1);transform:translateX(3px)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.site-footer .brand-mark{box-shadow:0 10px 22px rgba(0,198,167,.24)}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:#7E879C}
.site-footer p{color:#A9B1C3;font-size:14.5px}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#828B9F;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .nav-pill a{padding:9px 13px;font-size:14.5px}
  .search-mini input{width:90px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual img{height:300px}
  .mosaic{grid-template-columns:repeat(4,1fr)}
  .m-item:nth-child(1),.m-item:nth-child(2){grid-column:span 2}
  .m-item:nth-child(3),.m-item:nth-child(4),.m-item:nth-child(5){grid-column:span 2}
  .m-item:nth-child(6){grid-column:span 4;grid-template-columns:260px 1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:38px 30px}
}
@media (max-width:900px){
  .nav-pill,.head-tools .search-mini,.head-tools .btn{display:none}
  .nav-toggle{display:grid}
  .head-inner{height:68px}
  .lv-track{grid-template-columns:repeat(2,1fr)}
  .lv-track::before{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  .hero-cat{padding:34px 0 48px}
  .section{padding:52px 0}
  .sec-head{margin-bottom:30px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-visual img{height:236px}
  .float-chip{left:12px;right:12px;bottom:12px;padding:12px 14px;gap:12px 16px}
  .float-chip .cell b{font-size:17px}
  .mosaic{grid-template-columns:1fr}
  .m-item:nth-child(1),.m-item:nth-child(2),.m-item:nth-child(3),
  .m-item:nth-child(4),.m-item:nth-child(5),.m-item:nth-child(6){grid-column:span 1}
  .m-item:nth-child(6){grid-template-columns:1fr}
  .m-item img,.m-item:nth-child(6) img{height:200px}
  .lv-track{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-card{padding:32px 22px;border-radius:24px}
  .cta-wrap{padding-bottom:56px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .compare-top{padding:18px 20px}
  .compare-table th,.compare-table td{padding:14px 16px;font-size:14.5px}
  .compare-note{padding:16px 20px}
  .site-footer{padding:48px 0 24px}
}

/* roulang page: category3 */
:root{
    --brand:#00C6A7;
    --brand-2:#6C5CE7;
    --warm:#FF9F1C;
    --bg:#F6F8FC;
    --surface:#FFFFFF;
    --ink:#111318;
    --ink-2:#2A3140;
    --muted:#5B6472;
    --mint:#E6FBF6;
    --line:rgba(17,24,39,.06);
    --line-2:rgba(17,24,39,.12);
    --radius-xl:28px;
    --radius-lg:24px;
    --radius-md:20px;
    --radius-sm:16px;
    --shadow-sm:0 8px 24px rgba(17,24,39,.05);
    --shadow:0 18px 48px rgba(17,24,39,.08);
    --shadow-lg:0 28px 70px rgba(17,24,39,.12);
    --grad:linear-gradient(120deg,#00C6A7 0%,#6C5CE7 58%,#FF9F1C 100%);
    --container:1240px;
  }

  .page-body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  .page-body *,
  .page-body *::before,
  .page-body *::after{ box-sizing:border-box; }
  .page-body h1,
  .page-body h2,
  .page-body h3,
  .page-body h4,
  .page-body p,
  .page-body dl,
  .page-body dd,
  .page-body figure{ margin:0; }
  .page-body ul{ margin:0; padding:0; list-style:none; }
  .page-body img{ max-width:100%; display:block; }
  .page-body a{ color:inherit; text-decoration:none; }
  .page-body button{ font:inherit; color:inherit; }
  .page-body input{ font:inherit; }
  .page-body summary{ cursor:pointer; }

  html{ scroll-behavior:smooth; }

  .container{
    width:min(100% - 40px, var(--container));
    margin-inline:auto;
  }

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,255,255,.9);
    backdrop-filter:saturate(160%) blur(14px);
    -webkit-backdrop-filter:saturate(160%) blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:18px;
    min-height:76px;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:11px;
    flex:0 0 auto;
  }
  .brand-mark{
    width:40px;
    height:40px;
    border-radius:14px;
    background:var(--grad);
    color:#fff;
    display:grid;
    place-items:center;
    font-weight:800;
    font-size:18px;
    letter-spacing:0;
    box-shadow:0 10px 22px rgba(108,92,231,.28);
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.12;
    font-weight:800;
    font-size:17px;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .brand-sub{
    font-size:10px;
    font-weight:600;
    letter-spacing:.24em;
    color:var(--muted);
    margin-top:3px;
  }
  .nav-pill{
    display:flex;
    align-items:center;
    gap:4px;
    padding:5px;
    margin-inline:auto;
    border-radius:999px;
    background:rgba(246,248,252,.92);
    border:1px solid var(--line);
  }
  .nav-pill a{
    padding:9px 17px;
    border-radius:999px;
    font-size:14.5px;
    font-weight:600;
    color:var(--muted);
    transition:color .2s ease, background .2s ease, box-shadow .2s ease;
    white-space:nowrap;
  }
  .nav-pill a:hover{
    color:var(--ink);
    background:#fff;
  }
  .nav-pill a.active{
    color:#fff;
    background:linear-gradient(120deg,#00C6A7,#6C5CE7);
    box-shadow:0 10px 22px rgba(0,198,167,.3);
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .nav-search{
    display:flex;
    align-items:center;
    gap:6px;
    padding:5px 6px 5px 15px;
    border-radius:999px;
    background:#fff;
    border:1px solid var(--line-2);
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search:focus-within{
    border-color:transparent;
    box-shadow:0 0 0 2px var(--brand);
  }
  .nav-search input{
    width:140px;
    border:0;
    outline:0;
    background:transparent;
    font-size:14px;
    color:var(--ink);
  }
  .nav-search input::placeholder{ color:#9AA3B2; }
  .nav-search button{
    width:34px;
    height:34px;
    border:0;
    border-radius:999px;
    background:var(--mint);
    color:#0B7A68;
    display:grid;
    place-items:center;
    cursor:pointer;
    transition:background .2s ease, color .2s ease;
  }
  .nav-search button:hover{
    background:linear-gradient(120deg,#00C6A7,#6C5CE7);
    color:#fff;
  }
  .menu-toggle{
    display:none;
    width:42px;
    height:42px;
    border-radius:14px;
    border:1px solid var(--line-2);
    background:#fff;
    cursor:pointer;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
  }
  .menu-toggle span{
    display:block;
    width:17px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform .22s ease, opacity .22s 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); }

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:#fff;
    padding:16px 0 22px;
  }
  .mobile-drawer.open{ display:block; }
  .mobile-drawer .drawer-links{
    display:flex;
    flex-direction:column;
    gap:6px;
    margin-bottom:16px;
  }
  .mobile-drawer .drawer-links a{
    padding:12px 14px;
    border-radius:14px;
    font-weight:600;
    color:var(--ink-2);
    background:rgba(246,248,252,.9);
  }
  .mobile-drawer .drawer-links a.active{
    color:#fff;
    background:linear-gradient(120deg,#00C6A7,#6C5CE7);
  }
  .mobile-drawer .drawer-search{
    display:flex;
    gap:8px;
  }
  .mobile-drawer .drawer-search input{
    flex:1;
    padding:12px 16px;
    border-radius:16px;
    border:1px solid var(--line-2);
    background:#fff;
    outline:0;
  }
  .mobile-drawer .drawer-search input:focus{
    box-shadow:0 0 0 2px var(--brand);
    border-color:transparent;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 24px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    white-space:nowrap;
  }
  .btn:focus-visible,
  .nav-pill a:focus-visible,
  .index-nav a:focus-visible,
  .link-list a:focus-visible,
  .channel-chip:focus-visible,
  .group-card a:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
  }
  .btn-primary{
    background:var(--grad);
    color:#fff;
    box-shadow:0 14px 30px rgba(108,92,231,.26);
  }
  .btn-primary:hover{
    filter:brightness(1.06);
    transform:translateY(-2px);
    box-shadow:0 20px 40px rgba(108,92,231,.34);
  }
  .btn-primary:active{ transform:translateY(1px); }
  .btn-ghost{
    background:#fff;
    border-color:var(--line-2);
    color:var(--ink);
  }
  .btn-ghost:hover{
    background:linear-gradient(120deg,rgba(0,198,167,.12),rgba(108,92,231,.12));
    border-color:transparent;
    transform:translateY(-2px);
    box-shadow:var(--shadow-sm);
  }
  .btn-ghost:active{ transform:translateY(1px); }
  .btn-sm{ padding:10px 18px; font-size:14px; }
  .btn-white{
    background:#fff;
    color:var(--ink);
    box-shadow:0 16px 34px rgba(17,24,39,.18);
  }
  .btn-white:hover{ transform:translateY(-2px); filter:brightness(1.02); }

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:8px 15px;
    border-radius:999px;
    background:var(--mint);
    color:#0B7A68;
    font-size:13.5px;
    font-weight:600;
    line-height:1.4;
  }
  .badge .dot{
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--grad);
    flex:0 0 auto;
  }
  .badge b{
    color:var(--ink);
    font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .badge-warm{
    background:rgba(255,159,28,.14);
    color:#9A5B00;
  }
  .badge-plain{
    background:#fff;
    border:1px solid var(--line);
    color:var(--muted);
  }
  .badge-row{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  .tag{
    display:inline-flex;
    align-items:center;
    padding:6px 13px;
    border-radius:999px;
    background:#fff;
    border:1px solid var(--line);
    font-size:13px;
    font-weight:600;
    color:var(--muted);
    transition:color .2s ease, border-color .2s ease, background .2s ease;
  }
  .tag:hover{
    color:#0B7A68;
    background:var(--mint);
    border-color:transparent;
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    padding:54px 0 46px;
    overflow:hidden;
  }
  .hero::before{
    content:"";
    position:absolute;
    top:-160px;
    right:-120px;
    width:520px;
    height:520px;
    border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(0,198,167,.22),rgba(108,92,231,.16) 55%,rgba(255,159,28,0) 72%);
    filter:blur(6px);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:44px;
    align-items:center;
  }
  .crumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:18px;
  }
  .crumb a{ color:var(--muted); }
  .crumb a:hover{ color:var(--brand); }
  .crumb span.sep{ color:#B7C0CE; }
  .hero-title{
    font-size:clamp(30px,4.4vw,52px);
    font-weight:800;
    line-height:1.12;
    letter-spacing:-.02em;
    margin-bottom:20px;
  }
  .grad-text{
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-sub{
    font-size:17px;
    color:var(--muted);
    max-width:620px;
    margin-bottom:26px;
  }
  .hero-cta{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:26px;
  }
  .hero-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    box-shadow:var(--shadow);
    overflow:hidden;
  }
  .panel-media{
    position:relative;
    height:196px;
    overflow:hidden;
  }
  .panel-media img{
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .panel-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(17,19,24,0) 40%,rgba(17,19,24,.55) 100%);
  }
  .panel-tag{
    position:absolute;
    left:16px;
    bottom:16px;
    z-index:2;
    padding:7px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.92);
    color:var(--ink);
    font-size:13px;
    font-weight:700;
  }
  .panel-body{ padding:22px 24px 24px; }
  .stat-row{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:12px;
  }
  .stat b{
    display:block;
    font-size:24px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .stat span{
    font-size:13px;
    color:var(--muted);
  }
  .panel-note{
    margin-top:18px;
    padding-top:16px;
    border-top:1px dashed var(--line-2);
    font-size:14px;
    color:var(--muted);
  }

  /* ---------- 搜索条 ---------- */
  .search-band{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    box-shadow:var(--shadow-sm);
    padding:26px 28px;
    display:grid;
    grid-template-columns:1fr auto;
    gap:22px;
    align-items:center;
  }
  .search-band h2{
    font-size:20px;
    font-weight:800;
    margin-bottom:6px;
  }
  .search-band p{
    font-size:14.5px;
    color:var(--muted);
  }
  .search-form{
    display:flex;
    gap:10px;
    align-items:center;
  }
  .search-form input{
    width:280px;
    padding:13px 18px;
    border-radius:16px;
    border:1px solid var(--line-2);
    background:#fff;
    outline:0;
    transition:box-shadow .2s ease, border-color .2s ease;
  }
  .search-form input:focus{
    border-color:transparent;
    box-shadow:0 0 0 2px var(--brand);
  }
  .search-form input::placeholder{ color:#9AA3B2; }

  /* ---------- 通用板块 ---------- */
  .section{ padding:64px 0; }
  .section-tight{ padding:46px 0; }
  .sec-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:30px;
    flex-wrap:wrap;
  }
  .sec-head h2{
    font-size:clamp(24px,3vw,34px);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.02em;
  }
  .sec-head p{
    font-size:15px;
    color:var(--muted);
    max-width:640px;
    margin-top:10px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.14em;
    color:#0B7A68;
    text-transform:uppercase;
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:2px;
    border-radius:2px;
    background:var(--grad);
  }

  /* ---------- 分栏索引 ---------- */
  .index-layout{
    display:grid;
    grid-template-columns:280px 1fr;
    gap:30px;
    align-items:start;
  }
  .side-index{
    position:sticky;
    top:100px;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .index-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:20px;
  }
  .index-card h3{
    font-size:15px;
    font-weight:800;
    margin-bottom:12px;
    color:var(--ink);
  }
  .index-nav{
    display:flex;
    flex-direction:column;
    gap:4px;
  }
  .index-nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:11px 14px;
    border-radius:14px;
    font-size:14.5px;
    font-weight:600;
    color:var(--muted);
    transition:background .2s ease, color .2s ease, transform .2s ease;
  }
  .index-nav a span.count{
    font-size:12.5px;
    font-variant-numeric:tabular-nums;
    color:#0B7A68;
    background:var(--mint);
    border-radius:999px;
    padding:2px 9px;
  }
  .index-nav a:hover{
    background:var(--mint);
    color:#0B7A68;
    transform:translateX(2px);
  }
  .index-note{
    font-size:13.5px;
    color:var(--muted);
    line-height:1.7;
  }
  .mini-cta{
    background:linear-gradient(150deg,rgba(0,198,167,.12),rgba(108,92,231,.14));
    border:1px solid rgba(108,92,231,.18);
    border-radius:var(--radius-lg);
    padding:22px;
  }
  .mini-cta h3{
    font-size:17px;
    font-weight:800;
    margin-bottom:8px;
  }
  .mini-cta p{
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:16px;
  }

  .group-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
  }
  .group-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:26px;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    scroll-margin-top:110px;
  }
  .group-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow);
    border-color:rgba(0,198,167,.35);
  }
  .group-head{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:14px;
    margin-bottom:8px;
  }
  .group-head h3{
    font-size:19px;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .count-pill{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 12px;
    border-radius:999px;
    background:rgba(255,159,28,.14);
    color:#9A5B00;
    font-size:12.5px;
    font-weight:700;
    font-variant-numeric:tabular-nums;
  }
  .group-desc{
    font-size:14.5px;
    color:var(--muted);
    margin-bottom:16px;
  }
  .link-list{
    display:flex;
    flex-direction:column;
  }
  .link-list a{
    display:flex;
    align-items:center;
    gap:10px;
    padding:11px 0;
    border-bottom:1px dashed var(--line-2);
    font-size:15px;
    font-weight:600;
    color:var(--ink-2);
    transition:color .2s ease, padding-left .2s ease;
  }
  .link-list a:last-child{ border-bottom:0; }
  .link-list a:hover{
    color:var(--brand);
    padding-left:5px;
  }
  .link-list a .arrow{
    margin-left:auto;
    color:#B7C0CE;
    font-size:15px;
    transition:transform .2s ease, color .2s ease;
  }
  .link-list a:hover .arrow{
    transform:translateX(3px);
    color:var(--brand);
  }
  .link-list a .lbl{
    display:flex;
    flex-direction:column;
    gap:2px;
  }
  .link-list a .lbl small{
    font-size:12.5px;
    font-weight:500;
    color:var(--muted);
  }

  /* ---------- 频道带 ---------- */
  .channel-band{
    display:flex;
    gap:16px;
    overflow-x:auto;
    padding:6px 4px 16px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .channel-band::-webkit-scrollbar{ height:8px; }
  .channel-band::-webkit-scrollbar-thumb{
    background:rgba(17,24,39,.14);
    border-radius:999px;
  }
  .channel-chip{
    flex:0 0 268px;
    scroll-snap-align:start;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .channel-chip:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow);
    border-color:rgba(108,92,231,.32);
  }
  .channel-chip .chip-media{
    height:132px;
    overflow:hidden;
  }
  .channel-chip .chip-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
  }
  .channel-chip:hover .chip-media img{ transform:scale(1.05); }
  .chip-body{ padding:16px 18px 18px; }
  .chip-body h3{
    font-size:16px;
    font-weight:800;
    margin-bottom:6px;
  }
  .chip-body p{
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:12px;
  }
  .chip-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:12.5px;
    color:var(--muted);
    font-variant-numeric:tabular-nums;
  }

  /* ---------- FAQ ---------- */
  .faq-layout{
    display:grid;
    grid-template-columns:340px 1fr;
    gap:40px;
    align-items:start;
  }
  .faq-layout h2{
    font-size:clamp(24px,3vw,34px);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.02em;
    margin-bottom:14px;
  }
  .faq-layout .faq-intro{
    font-size:15px;
    color:var(--muted);
    margin-bottom:22px;
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    margin-bottom:12px;
    padding:0 22px;
    transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
    scroll-margin-top:110px;
  }
  .faq-item:hover{
    background:var(--mint);
    border-color:rgba(0,198,167,.32);
  }
  .faq-item[open]{
    background:#fff;
    border-color:rgba(0,198,167,.4);
    box-shadow:var(--shadow-sm);
  }
  .faq-item summary{
    list-style:none;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:19px 0;
    font-size:16px;
    font-weight:700;
    color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-arrow{
    flex:0 0 auto;
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--mint);
    color:#0B7A68;
    display:grid;
    place-items:center;
    font-size:16px;
    font-weight:700;
    transition:transform .25s ease, background .25s ease, color .25s ease;
  }
  .faq-item[open] .faq-arrow{
    transform:rotate(45deg);
    background:var(--grad);
    color:#fff;
  }
  .faq-body{
    padding:0 0 20px;
    font-size:15px;
    color:var(--muted);
    border-top:1px dashed var(--line-2);
    padding-top:16px;
  }
  .faq-body p + p{ margin-top:8px; }

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;
    overflow:hidden;
    background:var(--grad);
    border-radius:var(--radius-xl);
    padding:46px 48px;
    display:grid;
    grid-template-columns:1.35fr .65fr;
    gap:30px;
    align-items:center;
    color:#fff;
    box-shadow:0 30px 70px rgba(108,92,231,.28);
  }
  .cta-card::after{
    content:"";
    position:absolute;
    right:-90px;
    top:-90px;
    width:320px;
    height:320px;
    border-radius:50%;
    background:rgba(255,255,255,.14);
  }
  .cta-card > *{ position:relative; z-index:2; }
  .cta-card h2{
    font-size:clamp(24px,3vw,34px);
    font-weight:800;
    line-height:1.24;
    letter-spacing:-.02em;
    margin-bottom:14px;
  }
  .cta-card p{
    font-size:15.5px;
    color:rgba(255,255,255,.9);
    max-width:560px;
  }
  .cta-points{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:20px;
  }
  .cta-points span{
    padding:8px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.18);
    border:1px solid rgba(255,255,255,.28);
    font-size:13.5px;
    font-weight:600;
  }
  .cta-actions{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .cta-note{
    font-size:13px;
    color:rgba(255,255,255,.82);
    line-height:1.6;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#111318;
    color:rgba(255,255,255,.7);
    padding:60px 0 26px;
    margin-top:76px;
  }
  .site-footer .brand-text{ color:#fff; }
  .site-footer .brand-sub{ color:rgba(255,255,255,.5); }
  .foot-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:34px;
  }
  .foot-brand{
    display:flex;
    align-items:center;
    gap:11px;
    margin-bottom:16px;
  }
  .foot-brand .brand-mark{
    width:38px;
    height:38px;
    border-radius:13px;
  }
  .site-footer h4{
    color:#fff;
    font-size:15px;
    font-weight:800;
    margin-bottom:14px;
  }
  .site-footer a{
    display:block;
    padding:6px 0;
    font-size:14.5px;
    color:rgba(255,255,255,.66);
    transition:color .2s ease, transform .2s ease;
  }
  .site-footer a:hover{
    color:var(--brand);
    transform:translateX(3px);
  }
  .foot-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    flex-wrap:wrap;
    font-size:13px;
    color:rgba(255,255,255,.48);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1080px){
    .header-inner{ gap:14px; }
    .nav-search input{ width:110px; }
  }
  @media (max-width:1024px){
    .nav-pill,
    .nav-search{ display:none; }
    .menu-toggle{ display:flex; }
    .header-actions{ margin-left:auto; }
    .hero{ padding:44px 0 34px; }
    .hero-grid{ grid-template-columns:1fr; gap:30px; }
    .index-layout{ grid-template-columns:1fr; gap:24px; }
    .side-index{
      position:static;
      flex-direction:row;
      flex-wrap:wrap;
    }
    .side-index > *{ flex:1 1 260px; }
    .faq-layout{ grid-template-columns:1fr; gap:26px; }
    .cta-card{ grid-template-columns:1fr; padding:38px 32px; }
    .cta-actions{ flex-direction:row; flex-wrap:wrap; align-items:center; }
    .foot-grid{ grid-template-columns:1fr 1fr; gap:28px; }
    .section{ padding:52px 0; }
  }
  @media (max-width:860px){
    .group-grid{ grid-template-columns:1fr; }
    .search-band{ grid-template-columns:1fr; }
    .search-form{ width:100%; }
    .search-form input{ flex:1; width:auto; }
  }
  @media (max-width:640px){
    .container{ width:min(100% - 28px, var(--container)); }
    .brand-text{ font-size:16px; }
    .hero{ padding:34px 0 28px; }
    .hero-sub{ font-size:15.5px; }
    .hero-cta{ gap:10px; }
    .hero-cta .btn{ flex:1 1 auto; }
    .stat-row{ grid-template-columns:1fr 1fr; }
    .panel-media{ height:170px; }
    .section{ padding:42px 0; }
    .section-tight{ padding:34px 0; }
    .group-card{ padding:22px; }
    .search-band{ padding:22px; }
    .cta-card{ padding:30px 22px; border-radius:24px; }
    .foot-grid{ grid-template-columns:1fr; gap:22px; }
    .foot-bottom{ flex-direction:column; align-items:flex-start; }
    .channel-chip{ flex:0 0 240px; }
    .faq-item{ padding:0 18px; }
  }