/* roulang page: index */
:root{
  --brand:#0F3B31;
  --brand-deep:#0A2A23;
  --accent:#F2622A;
  --accent-hover:#D44E1B;
  --signal:#D9F24F;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --surface-alt:#EFECE3;
  --ink:#16201D;
  --ink2:#4E5A56;
  --ink3:#8A9491;
  --line:#E3E0D6;
  --ok:#2E7D5B;
  --warn:#C9812B;
  --err:#C0392B;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-card:0 1px 2px rgba(22,32,29,.06);
  --shadow-hover:0 8px 24px rgba(15,59,49,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink2);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.88;
  letter-spacing:0;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.36;letter-spacing:0}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
.hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
.hide-scrollbar::-webkit-scrollbar{display:none}

/* ---------- header ---------- */
.site-header{position:relative;z-index:40}
.brand-bar{background:var(--brand);color:#fff;border-bottom:1px solid rgba(255,255,255,.10)}
.brand-inner{display:flex;align-items:center;gap:20px;min-height:68px;padding:10px 0}
.brand-left{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:9px;background:var(--accent);
  display:flex;align-items:center;justify-content:center;flex:0 0 36px;position:relative;overflow:hidden;
}
.logo-mark::after{content:"";position:absolute;inset:auto -6px -10px auto;width:26px;height:26px;background:rgba(255,255,255,.18);transform:rotate(38deg)}
.logo-mark span{position:relative;z-index:1;color:#fff;font-size:19px;font-weight:800;line-height:1}
.brand-name{color:#fff;font-size:19px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.brand-sub{display:block;color:rgba(255,255,255,.66);font-size:12px;font-weight:400;letter-spacing:.02em;line-height:1.5}
.brand-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);border-radius:var(--r-btn);height:42px;padding:0 6px 0 14px;transition:border-color .2s,background .2s}
.search-box:focus-within{border-color:var(--accent);background:rgba(255,255,255,.16)}
.search-box input{background:transparent;border:0;outline:none;color:#fff;width:220px;font-size:14px}
.search-box input::placeholder{color:rgba(255,255,255,.58)}
.search-box button{width:34px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:0;border-radius:6px;cursor:pointer;color:rgba(255,255,255,.85);transition:background .2s,color .2s}
.search-box button:hover{background:rgba(255,255,255,.16);color:#fff}
.brand-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;padding:10px 18px;border-radius:var(--r-btn);transition:background .2s,transform .2s}
.brand-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);border-radius:var(--r-btn);cursor:pointer;color:#fff}
.channel-bar{position:sticky;top:0;z-index:35;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.channel-bar.is-stuck{box-shadow:0 6px 18px rgba(15,59,49,.08)}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:0}
.channel-link{position:relative;display:inline-flex;align-items:center;min-height:56px;padding:0 16px;font-size:15px;color:var(--ink2);white-space:nowrap;border-bottom:3px solid transparent;transition:color .2s,border-color .2s,background .2s}
.channel-link:hover{color:var(--brand)}
.channel-link.active{color:var(--brand);font-weight:700;border-bottom-color:var(--accent)}
.channel-link:not(.active)::after{content:""}
.mobile-panel{display:none;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel .channel-link{display:block;min-height:48px;border-bottom:1px solid var(--line);padding:0 4px;line-height:48px}
.mobile-panel .search-box{background:var(--surface);border-color:var(--line);margin-top:14px}
.mobile-panel .search-box input{color:var(--ink);width:100%}
.mobile-panel .search-box input::placeholder{color:var(--ink3)}
.mobile-panel .search-box button{color:var(--ink2)}

/* ---------- hero ---------- */
.hero{background:var(--brand-deep);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;left:-140px;top:-80px;width:420px;height:420px;background:rgba(217,242,79,.06);border-radius:50%}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:88px 0 80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(217,242,79,.14);color:var(--signal);border:1px solid rgba(217,242,79,.32);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{color:#fff;font-size:46px;font-weight:800;line-height:1.28;margin-bottom:18px;max-width:14em}
.hero-sub{color:rgba(255,255,255,.78);font-size:17px;max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:active{transform:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid rgba(255,255,255,.16);padding-top:24px}
.trust-item{min-width:0}
.trust-num{display:block;color:var(--signal);font-size:26px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.trust-num small{font-size:14px;font-weight:600;margin-left:2px}
.trust-label{display:block;color:rgba(255,255,255,.72);font-size:13px;margin-top:6px}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;box-shadow:0 20px 48px rgba(0,0,0,.28)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-mask{position:absolute;inset:0;background:rgba(10,42,35,.32)}
.hero-media-tag{position:absolute;left:18px;bottom:18px;right:18px;background:rgba(10,42,35,.82);border-radius:var(--r-card);padding:14px 16px;color:#fff;font-size:14px;line-height:1.6}
.hero-media-tag strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section-alt{background:var(--surface-alt)}
.section-dark{background:var(--brand);color:#fff;position:relative;overflow:hidden}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-title{font-size:28px;font-weight:800}
.section-desc{color:var(--ink3);font-size:15px;margin-top:8px;max-width:44em}
.section-dark .section-title{color:#fff}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
.eyebrow{display:inline-block;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.section-dark .eyebrow{color:var(--signal)}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:box-shadow .25s,transform .25s,border-color .25s}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;margin-bottom:18px;background:var(--surface-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-title{font-size:18px;font-weight:700;margin-bottom:10px;transition:color .2s}
.card:hover .card-title{color:var(--accent)}
.card-sum{font-size:14.5px;line-height:1.78;color:var(--ink2);margin-bottom:16px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--ink3)}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;background:var(--surface-alt);color:var(--brand);font-size:13px;font-weight:600;transition:background .2s,color .2s}
.chip:hover{background:#E3DFD2}
.chip-accent{background:var(--accent);color:#fff}
.chip-accent:hover{background:var(--accent-hover)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;border-bottom:1px solid rgba(15,59,49,.28);padding-bottom:2px;transition:color .2s,border-color .2s}
.text-link .arrow{transition:transform .2s}
.text-link:hover{color:var(--accent);border-color:var(--accent)}
.text-link:hover .arrow{transform:translateX(4px)}
.arrow svg{display:block}

/* ---------- asymmetric block ---------- */
.asym{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.asym-main{padding:24px}
.asym-main .card-media{aspect-ratio:16/10;margin-bottom:20px}
.asym-main .card-title{font-size:23px}
.asym-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 22px;box-shadow:var(--shadow-card)}
.entry-row{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line);transition:background .2s}
.entry-row:last-child{border-bottom:0}
.entry-row:hover{background:rgba(239,236,227,.55)}
.entry-index{color:var(--accent);font-size:20px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums;flex:0 0 34px}
.entry-body h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.entry-body p{font-size:14px;color:var(--ink2);margin:0}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:12px}
.stat-item{padding:8px 28px;border-left:1px solid rgba(255,255,255,.16)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{display:block;color:var(--signal);font-size:42px;font-weight:800;line-height:1.12;font-variant-numeric:tabular-nums}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-label{display:block;color:rgba(255,255,255,.76);font-size:14px;margin-top:10px}

/* ---------- showcase ---------- */
.showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.showcase .card{padding:24px}
.showcase .card:nth-child(2){margin-top:40px}
.showcase .card-media{aspect-ratio:4/3}

/* ---------- plan ---------- */
.plan-layout{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start}
.anchor-list{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:18px;display:flex;flex-direction:column;gap:14px}
.anchor-list a{font-size:14px;color:var(--ink3);transition:color .2s}
.anchor-list a:hover,.anchor-list a.active{color:var(--accent);font-weight:600}
.plan-block{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:32px 0;border-bottom:1px solid var(--line)}
.plan-block:last-child{border-bottom:0;padding-bottom:0}
.plan-block.flip .plan-text{order:2}
.plan-text h3{font-size:20px;margin-bottom:12px}
.plan-text p{font-size:15px;margin-bottom:14px}
.plan-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--surface-alt)}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.plan-block:hover .plan-media img{transform:scale(1.03)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{padding:22px;display:flex;flex-direction:column}
.news-card-main{grid-column:span 2}
.news-card-main .card-title{font-size:21px}
.news-card .news-link{display:flex;flex-direction:column;height:100%}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:12.5px;color:var(--ink3)}
.news-card .card-sum{flex:1 1 auto}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:56px 24px;text-align:center;color:var(--ink3)
}
.empty-state svg{margin:0 auto 14px;color:var(--ink3);display:block}
.empty-state strong{display:block;color:var(--ink);font-size:16px;font-weight:700;margin-bottom:6px}
.empty-state span{font-size:14px}

/* ---------- faq ---------- */
.faq-wrap{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-plus{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .2s}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-body{padding:0 4px 22px 0;margin-left:0;border-left:3px solid var(--accent);padding-left:16px;font-size:15px;color:var(--ink2);line-height:1.86}

/* ---------- contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-card)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--accent)}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);
  padding:12px 14px;min-height:46px;font-size:15px;transition:border-color .2s,box-shadow .2s
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--ink3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,98,42,.14)}
.contact-info dl{margin:0}
.contact-info dt{font-size:13px;color:var(--ink3);margin-top:18px}
.contact-info dd{margin:4px 0 0;font-size:16px;color:var(--ink);font-weight:600}
.contact-note{margin-top:22px;padding:16px 18px;background:var(--surface-alt);border-radius:var(--r-card);font-size:14px;color:var(--ink2)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:44px}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.footer-about p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px;flex:0 0 32px;border-radius:8px}
.footer-brand .logo-mark span{font-size:17px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.60)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .hero h1{font-size:40px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card-main{grid-column:span 2}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:64px 0 60px}
  .hero-media{max-width:620px}
  .asym{grid-template-columns:1fr}
  .plan-layout{grid-template-columns:1fr;gap:28px}
  .anchor-list{position:static;flex-direction:row;flex-wrap:wrap;gap:12px;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px}
  .showcase .card:nth-child(2){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .search-box input{width:150px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat-item{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding:22px 0 0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0;padding-top:0}
  .contact-wrap{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .section-title{font-size:24px}
  .search-box,.brand-cta{display:none}
  .nav-toggle{display:inline-flex}
  .showcase{grid-template-columns:1fr}
  .plan-block{grid-template-columns:1fr;gap:18px}
  .plan-block.flip .plan-text{order:0}
  .news-grid{grid-template-columns:1fr}
  .news-card-main{grid-column:span 1}
  .trust-row{grid-template-columns:repeat(2,1fr);gap:18px 20px}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .brand-name{font-size:16px}
  .brand-sub{display:none}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:34px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
}

/* roulang page: article */
:root{
    --brand:#0F3B31;
    --brand-deep:#0A2A23;
    --accent:#F2622A;
    --accent-hover:#D44E1B;
    --signal:#D9F24F;
    --bg:#F7F5EF;
    --surface:#FFFFFF;
    --surface-alt:#EFECE3;
    --ink:#16201D;
    --ink-2:#4E5A56;
    --ink-3:#8A9491;
    --line:#E3E0D6;
    --ok:#2E7D5B;
    --warn:#C9812B;
    --err:#C0392B;
    --radius-card:12px;
    --radius-img:10px;
    --radius-btn:8px;
    --shadow-card:0 1px 2px rgba(22,32,29,.06);
    --shadow-hover:0 8px 24px rgba(15,59,49,.10);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-2);
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.88;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:0;}
  p{margin:0 0 1em;}
  ul,ol{margin:0 0 1em;padding-left:1.4em;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
  .num{font-variant-numeric:tabular-nums;}

  .container-x{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
  }
  .hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .hide-scrollbar::-webkit-scrollbar{display:none;}

  /* ============ 品牌行 ============ */
  .brand-bar{background:var(--brand);position:relative;z-index:60;}
  .brand-inner{
    height:68px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
  }
  .brand-left{display:flex;align-items:center;gap:12px;min-width:0;}
  .logo-mark{
    width:34px;height:34px;flex:0 0 34px;
    border-radius:9px;
    background:linear-gradient(135deg,var(--accent) 0%,#FF8A4C 100%);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 1px 2px rgba(0,0,0,.18);
  }
  .logo-mark span{color:#fff;font-size:17px;font-weight:800;line-height:1;}
  .brand-title{
    color:#fff;font-size:19px;font-weight:800;letter-spacing:.01em;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .brand-title:hover{color:var(--signal);}
  .brand-right{display:flex;align-items:center;gap:14px;}
  .brand-search{
    display:flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.18);
    border-radius:999px;
    padding:0 6px 0 14px;height:40px;
  }
  .brand-search input{
    width:186px;background:transparent;border:0;outline:none;
    color:#fff;font-size:14px;
  }
  .brand-search input::placeholder{color:rgba(255,255,255,.55);}
  .brand-search button{
    border:0;cursor:pointer;height:30px;padding:0 14px;
    border-radius:999px;background:var(--accent);color:#fff;
    font-size:13px;font-weight:600;
  }
  .brand-search button:hover{background:var(--accent-hover);}
  .brand-cta{
    height:40px;padding:0 18px;display:inline-flex;align-items:center;
    border-radius:var(--radius-btn);
    border:1.5px solid rgba(255,255,255,.35);
    color:#fff;font-size:14px;font-weight:600;white-space:nowrap;
  }
  .brand-cta:hover{background:#fff;color:var(--brand);border-color:#fff;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--radius-btn);
    border:1.5px solid rgba(255,255,255,.32);background:transparent;
    cursor:pointer;position:relative;
  }
  .nav-toggle span{
    position:absolute;left:11px;width:20px;height:2px;background:#fff;border-radius:2px;
    transition:transform .2s ease,opacity .2s ease;
  }
  .nav-toggle span:nth-child(1){top:15px;}
  .nav-toggle span:nth-child(2){top:21px;}
  .nav-toggle span:nth-child(3){top:27px;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* ============ 频道行 ============ */
  .channel-bar{
    background:var(--surface);
    border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:50;
    transition:box-shadow .2s ease;
  }
  .channel-bar.is-stuck{box-shadow:0 4px 14px rgba(15,59,49,.08);}
  .channel-nav{
    display:flex;align-items:center;gap:6px;
    overflow-x:auto;scroll-snap-type:x proximity;
  }
  .channel-link{
    flex:0 0 auto;scroll-snap-align:start;
    display:inline-flex;align-items:center;height:52px;padding:0 16px;
    font-size:15px;font-weight:600;color:var(--ink-2);
    border-bottom:3px solid transparent;
    white-space:nowrap;
  }
  .channel-link:hover{color:var(--accent);}
  .channel-link.active{color:var(--accent);border-bottom-color:var(--accent);}

  .drawer{
    display:none;background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  .drawer.open{display:block;}
  .drawer-inner{padding:14px 0 20px;}
  .drawer a.drawer-link{
    display:flex;align-items:center;height:48px;padding:0 4px;
    font-size:16px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer a.drawer-link.active{color:var(--accent);}
  .drawer-search{
    display:flex;gap:10px;margin-top:16px;
  }
  .drawer-search input{
    flex:1;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
    padding:0 14px;background:var(--surface);outline:none;
  }
  .drawer-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,98,42,.12);}

  /* ============ 面包屑 ============ */
  .crumb-wrap{border-bottom:1px solid var(--line);background:var(--bg);}
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding:16px 0;font-size:13px;color:var(--ink-3);
  }
  .crumb a{color:var(--ink-3);}
  .crumb a:hover{color:var(--accent);}
  .crumb .sep{color:#C8C4B8;}
  .crumb .cur{color:var(--ink-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ============ 文章布局 ============ */
  .article-layout{
    display:grid;grid-template-columns:minmax(0,1fr);
    gap:48px;padding:44px 0 80px;
  }
  .article-head{max-width:820px;margin:0 auto 28px;width:100%;}
  .badge{
    display:inline-flex;align-items:center;height:28px;padding:0 13px;
    border-radius:999px;background:var(--surface-alt);color:var(--brand);
    font-size:13px;font-weight:600;
  }
  .badge.accent{background:var(--accent);color:#fff;}
  .badge.signal{background:var(--signal);color:var(--brand-deep);}
  .article-h1{
    font-size:34px;line-height:1.35;font-weight:800;
    margin:16px 0 14px;letter-spacing:0;
  }
  .article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    font-size:13px;color:var(--ink-3);
    padding-bottom:20px;border-bottom:1px solid var(--line);
  }
  .article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCBC0;}

  .article-panel{
    max-width:820px;margin:0 auto;width:100%;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:34px 40px 38px;
    box-shadow:var(--shadow-card);
  }
  .summary-box{
    background:var(--surface-alt);
    border-left:3px solid var(--accent);
    border-radius:8px;
    padding:16px 18px;
    font-size:15px;line-height:1.85;color:var(--ink-2);
    margin-bottom:28px;
  }
  .summary-box strong{color:var(--brand);display:block;margin-bottom:4px;font-size:14px;}

  .article-body{font-size:17px;line-height:1.9;color:var(--ink-2);}
  .article-body > * + *{margin-top:0;}
  .article-body p{margin:0 0 1.2em;}
  .article-body h2{
    font-size:26px;line-height:1.4;color:var(--ink);
    margin:2em 0 .8em;padding-left:14px;position:relative;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
    border-radius:2px;background:var(--accent);
  }
  .article-body h3{font-size:19px;line-height:1.45;color:var(--ink);margin:1.6em 0 .6em;}
  .article-body h4{font-size:16px;color:var(--ink);margin:1.4em 0 .5em;}
  .article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
  .article-body li{margin-bottom:.5em;line-height:1.85;}
  .article-body ul li::marker{color:var(--accent);}
  .article-body ol li::marker{color:var(--accent);font-weight:700;}
  .article-body blockquote{
    margin:0 0 1.2em;padding:16px 20px;
    background:var(--bg);border-left:3px solid var(--accent);
    border-radius:0 8px 8px 0;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:var(--radius-img);margin:1.4em auto;}
  .article-body figure{margin:1.4em 0;}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px;}
  .article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .article-body a:hover{color:var(--accent);}
  .article-body table{
    width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;
    border:1px solid var(--line);border-radius:8px;overflow:hidden;
  }
  .article-body thead th{
    background:var(--brand);color:#fff;font-weight:700;text-align:left;
    padding:12px 14px;font-size:14px;
  }
  .article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-2);}
  .article-body tbody tr:nth-child(even){background:var(--surface-alt);}
  .article-body code{
    background:var(--surface-alt);color:var(--brand);
    padding:2px 6px;border-radius:4px;font-size:14px;
  }
  .article-body pre{
    background:var(--brand-deep);color:#E8F0ED;
    border-radius:8px;padding:16px 18px;overflow-x:auto;margin:0 0 1.4em;
  }
  .article-body pre code{background:transparent;color:inherit;padding:0;font-size:14px;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

  /* ============ 侧栏 ============ */
  .article-side{display:flex;flex-direction:column;gap:22px;}
  .side-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card);
  }
  .side-title{
    font-size:16px;font-weight:700;color:var(--ink);
    padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--line);
  }
  .side-list{list-style:none;margin:0;padding:0;}
  .side-list li{border-bottom:1px dashed var(--line);}
  .side-list li:last-child{border-bottom:0;}
  .side-list a{
    display:block;padding:13px 0;font-size:14px;color:var(--ink-2);line-height:1.65;
  }
  .side-list a:hover{color:var(--accent);}
  .side-list .t{display:block;font-size:12px;color:var(--ink-3);margin-top:5px;}

  .side-cta{
    background:var(--brand);border-radius:var(--radius-card);padding:24px;
    color:rgba(255,255,255,.82);border:1px solid var(--brand-deep);
  }
  .side-cta h3{color:#fff;font-size:17px;margin-bottom:8px;}
  .side-cta p{font-size:14px;line-height:1.8;margin-bottom:16px;color:rgba(255,255,255,.75);}
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--radius-btn);
    background:var(--accent);color:#fff;font-size:15px;font-weight:600;
    border:0;cursor:pointer;transition:all .18s ease;
  }
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--radius-btn);
    background:transparent;color:#fff;
    border:1.5px solid rgba(255,255,255,.5);
    font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease;
  }
  .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;}
  .btn-outline-brand{
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 22px;border-radius:var(--radius-btn);
    border:1.5px solid var(--brand);color:var(--brand);
    font-size:15px;font-weight:600;background:transparent;
  }
  .btn-outline-brand:hover{background:var(--brand);color:#fff;}

  .textlink{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:600;color:var(--brand);
  }
  .textlink .arw{transition:transform .18s ease;color:var(--accent);}
  .textlink:hover{color:var(--accent);}
  .textlink:hover .arw{transform:translateX(4px);}

  /* ============ 底部区块 ============ */
  .bottom-sec{padding:72px 0;background:var(--surface);border-top:1px solid var(--line);}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
  .sec-title{font-size:26px;font-weight:700;color:var(--ink);}
  .sec-sub{font-size:14px;color:var(--ink-3);margin-top:8px;}

  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .card{
    display:flex;flex-direction:column;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3CFC2;}
  .card-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .card:hover .card-thumb img{transform:scale(1.03);}
  .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
  .card-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);margin-bottom:10px;}
  .card:hover .card-title{color:var(--accent);}
  .card-desc{font-size:14px;line-height:1.7;color:var(--ink-2);margin-bottom:16px;}
  .card-meta{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    gap:12px;font-size:12px;color:var(--ink-3);
  }
  .card-meta .arw{color:var(--accent);transition:transform .18s ease;}
  .card:hover .card-meta .arw{transform:translateX(4px);}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;
    border-radius:999px;background:var(--surface-alt);color:var(--brand);
    font-size:13px;font-weight:600;
  }
  .tag:hover{background:#E2DED2;}
  .tag.accent{background:var(--accent);color:#fff;}
  .tag.accent:hover{background:var(--accent-hover);}

  .back-row{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:16px;padding:22px 0;border-bottom:1px solid var(--line);margin-bottom:44px;
  }

  .empty-state{
    text-align:center;padding:56px 24px;border:1px dashed var(--line);
    border-radius:var(--radius-card);background:var(--surface);
  }
  .empty-state svg{margin:0 auto 16px;display:block;}
  .empty-state h3{font-size:16px;color:var(--ink);margin-bottom:8px;}
  .empty-state p{font-size:14px;color:var(--ink-3);margin-bottom:18px;}

  /* ============ CTA 条 ============ */
  .cta-band{background:var(--brand);padding:56px 0;}
  .cta-band-inner{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:28px;
  }
  .cta-band h2{color:#fff;font-size:26px;line-height:1.4;}
  .cta-band p{color:rgba(255,255,255,.75);font-size:15px;margin:10px 0 0;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);padding:64px 0 0;color:rgba(255,255,255,.72);}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
  .footer-about p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin-bottom:10px;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid rgba(255,255,255,.12);
    padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;}
    .article-side{position:sticky;top:84px;}
  }
  @media (max-width:1023px){
    .article-h1{font-size:30px;}
    .article-panel{padding:28px 24px 30px;}
    .card-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .article-layout{gap:36px;}
  }
  @media (max-width:860px){
    .brand-search{display:none;}
    .brand-cta{display:none;}
    .nav-toggle{display:block;}
    .channel-bar{display:none;}
  }
  @media (max-width:640px){
    .container-x{padding-left:16px;padding-right:16px;}
    .article-h1{font-size:26px;}
    .article-panel{padding:22px 18px 26px;border-radius:10px;}
    .article-body{font-size:16.5px;}
    .article-body h2{font-size:22px;}
    .article-body h3{font-size:18px;}
    .card-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .bottom-sec{padding:52px 0;}
    .sec-title{font-size:22px;}
    .cta-band h2{font-size:22px;}
    .crumb .cur{max-width:46%;}
  }

/* roulang page: category1 */
:root{
  --brand:#0F3B31;
  --brand-deep:#0A2A23;
  --accent:#F2622A;
  --accent-hover:#D44E1B;
  --signal:#D9F24F;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --surface-alt:#EFECE3;
  --ink:#16201D;
  --ink-2:#4E5A56;
  --ink-3:#8A9491;
  --line:#E3E0D6;
  --ok:#2E7D5B;
  --warn:#C9812B;
  --err:#C0392B;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-card:0 1px 2px rgba(22,32,29,.06);
  --shadow-hover:0 8px 24px rgba(15,59,49,.10);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
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(--accent);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
.hide-scrollbar::-webkit-scrollbar{display:none;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;}

/* 品牌行 */
.brand-bar{background:var(--brand);}
.brand-row{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:9px;
  background:var(--accent);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:19px;line-height:1;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:22px;height:22px;
  background:rgba(255,255,255,.22);transform:rotate(45deg);
}
.logo-mark span{position:relative;z-index:1;}
.brand-name{color:#fff;font-weight:800;font-size:18px;letter-spacing:.01em;white-space:nowrap;}
.search-box{display:flex;align-items:center;gap:8px;margin-left:auto;}
.search-box input{
  width:250px;height:40px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);
  color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color .2s ease, background .2s ease;
}
.search-box input::placeholder{color:rgba(255,255,255,.62);}
.search-box input:focus{border-color:var(--accent);background:rgba(255,255,255,.16);}
.search-btn{
  height:40px;padding:0 18px;border:0;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.search-btn:hover{background:var(--accent-hover);transform:translateY(-1px);}
.search-btn:active{transform:none;}
.ghost-link{
  color:rgba(255,255,255,.86);font-size:14px;font-weight:600;
  padding:8px 14px;border:1px solid rgba(255,255,255,.32);border-radius:999px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap;
}
.ghost-link:hover{background:#fff;color:var(--brand);border-color:#fff;}
.menu-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,.34);
  color:#fff;border-radius:var(--r-btn);height:40px;padding:0 14px;font-size:14px;font-weight:600;cursor:pointer;
}
.menu-toggle:hover{background:rgba(255,255,255,.14);}

/* 频道行 */
.channel-bar{
  background:var(--bg);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;
}
.channel-bar.is-stuck{box-shadow:0 4px 16px rgba(15,59,49,.08);}
.channel-nav{display:flex;align-items:stretch;gap:4px;overflow-x:auto;scroll-snap-type:x mandatory;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:56px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;scroll-snap-align:start;
  transition:color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;
  background:transparent;border-radius:2px;transition:background .2s ease;
}
.channel-link:hover{color:var(--brand);}
.channel-link:hover::after{background:rgba(15,59,49,.20);}
.channel-link.active{color:var(--accent);}
.channel-link.active::after{background:var(--accent);}

/* 移动抽屉 */
.mobile-drawer{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:16px 0 20px;
}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.current{color:var(--accent);}
.drawer-nav a span.arrow{color:var(--ink-3);font-size:14px;}
.drawer-search{display:flex;gap:8px;}
.drawer-search input{
  flex:1;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  padding:0 14px;background:var(--bg);font-size:14px;outline:none;
}
.drawer-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,98,42,.14);}
.drawer-search button{
  height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-weight:600;cursor:pointer;
}
.drawer-search button:hover{background:var(--accent-hover);}

/* 分类条幅 */
.category-banner{
  position:relative;min-height:268px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.category-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,35,.84),rgba(15,59,49,.78));
}
.category-banner .container-x{position:relative;z-index:1;padding-top:44px;padding-bottom:44px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.74);margin-bottom:18px;}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(255,255,255,.42);}
.crumb .now{color:rgba(255,255,255,.92);}
.banner-h1{
  color:#fff;font-size:42px;line-height:1.32;font-weight:800;letter-spacing:.01em;
  max-width:820px;
}
.banner-lead{
  margin-top:16px;max-width:660px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.85;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-tags .b-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#fff;font-size:13px;font-weight:600;
  border:1px solid rgba(255,255,255,.20);
}

/* 通用板块 */
.section{padding:76px 0;}
.section.alt{background:var(--surface-alt);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-title{font-size:27px;line-height:1.35;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:720px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
  transition:color .2s ease;
}
.text-link .arw{transition:transform .2s ease;display:inline-block;}
.text-link:hover{color:var(--accent);}
.text-link:hover .arw{transform:translateX(4px);}

/* 卡片 */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D4C7;}
.card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:10px;}
.card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.card-meta{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);}
.thumb{aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--surface-alt);margin-bottom:18px;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .thumb img{transform:scale(1.03);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);font-size:13px;font-weight:600;
}
.badge.accent{background:rgba(242,98,42,.12);color:var(--accent-hover);}

/* 交替图文 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split.rev{grid-template-columns:1fr 1.05fr;}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--surface-alt);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{font-size:27px;font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:18px;}
.split-body p{font-size:16px;line-height:1.9;margin-bottom:16px;}
.check-list{margin:16px 0 22px;}
.check-list li{
  position:relative;padding-left:24px;font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:10px;
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.panel-note{
  border-left:3px solid var(--accent);background:var(--bg);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:16px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* 数据区 */
.data-band{background:var(--brand);color:#fff;padding:64px 0;}
.data-band .section-title{color:#fff;}
.data-band .section-sub{color:rgba(255,255,255,.72);}
.data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.16);}
.data-item{padding:30px 24px 8px 0;border-right:1px solid rgba(255,255,255,.16);}
.data-item:last-child{border-right:0;}
.data-item .v{font-size:38px;font-weight:800;color:var(--signal);line-height:1.1;font-variant-numeric:tabular-nums;}
.data-item .u{font-size:16px;font-weight:700;color:var(--signal);}
.data-item .k{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.7;}

/* 目录行式列表 */
.index-row{
  display:flex;align-items:flex-start;gap:20px;padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.index-row:hover{background:var(--surface-alt);}
.index-row .idx{flex:0 0 76px;font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;padding-top:2px;}
.index-row .body h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.index-row .body p{font-size:14.5px;line-height:1.78;color:var(--ink-2);}
.index-row .go{margin-left:auto;color:var(--ink-3);font-size:18px;transition:transform .2s ease,color .2s ease;padding-top:2px;}
.index-row:hover .go{transform:translateX(4px);color:var(--accent);}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.faq-item[open] summary{color:var(--ink);}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-body{
  border-left:3px solid var(--accent);margin:0 0 22px 4px;padding:2px 0 2px 18px;
  font-size:15.5px;line-height:1.9;color:var(--ink-2);
}

/* CTA 条 */
.cta-band{background:var(--brand-deep);color:#fff;padding:64px 0;}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;}
.cta-inner h2{font-size:28px;font-weight:800;line-height:1.35;color:#fff;}
.cta-inner p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);background:var(--accent);color:#fff;
  font-weight:600;font-size:15px;border:0;cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:none;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);background:transparent;
  border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-1px);}
.btn-outline.brand{border-color:var(--brand);color:var(--brand);}
.btn-outline.brand:hover{background:var(--brand);color:#fff;}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);font-size:13px;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand);color:#fff;}
.tag.active{background:var(--accent);color:#fff;}

/* 页脚 */
.site-footer{background:var(--brand);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-about p{font-size:14px;line-height:1.85;margin-bottom:10px;max-width:360px;}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.62);
}

/* 响应式 */
@media (max-width:1024px){
  .search-box input{width:190px;}
  .split,.split.rev{grid-template-columns:1fr;gap:28px;}
  .split.rev .split-media{order:-1;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:24px 16px 20px 0;}
  .data-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.16);padding-right:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:820px){
  .search-box,.ghost-link{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;margin-left:auto;}
  .section{padding:58px 0;}
  .banner-h1{font-size:34px;}
  .section-title,.split-body h2{font-size:24px;}
}
@media (max-width:640px){
  .container-x{padding-left:16px;padding-right:16px;}
  .brand-row{min-height:64px;gap:12px;}
  .brand-name{font-size:16px;}
  .channel-link{height:50px;padding:0 13px;font-size:14.5px;}
  .section{padding:48px 0;}
  .banner-h1{font-size:28px;}
  .banner-lead{font-size:15px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr;}
  .data-item,.data-item:nth-child(odd){border-right:0;padding-right:0;}
  .data-item .v{font-size:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .index-row{gap:14px;padding:18px 8px;}
  .index-row .idx{flex-basis:58px;font-size:14px;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .cta-inner h2{font-size:23px;}
  .btn-primary,.btn-outline{width:100%;}
}

/* roulang page: category2 */
:root{
    --brand:#0F3B31;
    --brand-deep:#0A2A23;
    --accent:#F2622A;
    --accent-hover:#D44E1B;
    --signal:#D9F24F;
    --bg:#F7F5EF;
    --surface:#FFFFFF;
    --surface-alt:#EFECE3;
    --ink:#16201D;
    --ink2:#4E5A56;
    --ink3:#8A9491;
    --line:#E3E0D6;
    --success:#2E7D5B;
    --warn:#C9812B;
    --danger:#C0392B;
    --radius-card:12px;
    --radius-img:10px;
    --radius-btn:8px;
    --shadow-card:0 1px 2px rgba(22,32,29,.06);
    --shadow-hover:0 8px 24px rgba(15,59,49,.10);
    --section-y:88px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.88;
    color:var(--ink2);
    background:var(--bg);
    letter-spacing:0;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:0;}
  p{margin:0 0 1em;}
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button,input,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
  .tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .hide-scrollbar::-webkit-scrollbar{display:none;}

  /* ============ 品牌行 ============ */
  .site-header{background:var(--brand);}
  .brand-bar{display:flex;align-items:center;gap:20px;min-height:68px;padding:10px 0;}
  .brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
  .logo-mark{
    width:36px;height:36px;border-radius:9px;background:var(--accent);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    position:relative;overflow:hidden;
  }
  .logo-mark::after{
    content:"";position:absolute;right:-10px;bottom:-10px;width:22px;height:22px;
    background:var(--signal);transform:rotate(45deg);opacity:.85;
  }
  .logo-mark span{
    position:relative;z-index:1;color:#fff;font-size:18px;font-weight:800;line-height:1;
  }
  .brand-name{color:#fff;font-size:18px;font-weight:800;letter-spacing:0;white-space:nowrap;}
  .header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
  .header-search{
    display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.20);border-radius:999px;padding:6px 8px 6px 14px;
    min-width:250px;transition:border-color .2s ease,background .2s ease;
  }
  .header-search:focus-within{border-color:var(--accent);background:rgba(255,255,255,.16);}
  .header-search input{
    flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:14px;line-height:1.6;
    padding:4px 0;min-width:0;
  }
  .header-search input::placeholder{color:rgba(255,255,255,.60);}
  .header-search button{
    background:var(--accent);color:#fff;font-size:13px;font-weight:600;
    border-radius:999px;padding:6px 14px;height:32px;flex-shrink:0;
    transition:background .2s ease;
  }
  .header-search button:hover{background:var(--accent-hover);}
  .header-entry{
    color:#fff;font-size:14px;font-weight:600;border:1.5px solid rgba(255,255,255,.42);
    border-radius:var(--radius-btn);padding:8px 16px;white-space:nowrap;
    transition:background .2s ease,border-color .2s ease,color .2s ease;
  }
  .header-entry:hover{background:#fff;color:var(--brand);border-color:#fff;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--radius-btn);
    border:1px solid rgba(255,255,255,.28);align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:#fff;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ============ 频道行 ============ */
  .channel-bar{
    position:sticky;top:0;z-index:60;background:var(--bg);
    border-bottom:1px solid var(--line);background-clip:padding-box;
  }
  .channel-bar.is-stuck{box-shadow:0 4px 16px rgba(15,59,49,.08);}
  .channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;}
  .channel-link{
    position:relative;display:inline-flex;align-items:center;height:56px;padding:0 16px;
    font-size:15px;font-weight:600;color:var(--ink2);white-space:nowrap;
    transition:color .2s ease,background .2s ease;
  }
  .channel-link::after{
    content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
    background:var(--accent);border-radius:3px 3px 0 0;transform:scaleX(0);
    transform-origin:left center;transition:transform .2s ease;
  }
  .channel-link:hover{color:var(--brand);}
  .channel-link:hover::after{transform:scaleX(1);}
  .channel-link.active{color:var(--accent);}
  .channel-link.active::after{transform:scaleX(1);}
  .mobile-panel{
    display:none;background:var(--brand-deep);border-top:1px solid rgba(255,255,255,.10);
  }
  .mobile-panel.open{display:block;}
  .mobile-panel .mobile-inner{padding:16px 0 22px;display:flex;flex-direction:column;gap:6px;}
  .mobile-panel a{
    color:rgba(255,255,255,.86);font-size:15px;font-weight:600;padding:12px 4px;
    border-bottom:1px solid rgba(255,255,255,.10);
  }
  .mobile-panel a.active{color:var(--signal);}
  .mobile-search{display:flex;gap:10px;margin-top:12px;}
  .mobile-search input{
    flex:1;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.24);
    background:rgba(255,255,255,.08);color:#fff;padding:0 14px;outline:none;font-size:15px;
  }
  .mobile-search input::placeholder{color:rgba(255,255,255,.55);}

  /* ============ 条幅 ============ */
  .sub-hero{
    position:relative;overflow:hidden;background:var(--brand-deep);
  }
  .sub-hero-media{
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    opacity:.42;
  }
  .sub-hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(10,42,35,.94) 0%,rgba(15,59,49,.80) 58%,rgba(15,59,49,.62) 100%);
  }
  .sub-hero-inner{position:relative;z-index:2;padding:52px 0 60px;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);}
  .crumb a{color:rgba(255,255,255,.80);text-decoration:underline;text-underline-offset:4px;}
  .crumb a:hover{color:#fff;}
  .crumb .sep{color:rgba(255,255,255,.40);}
  .sub-hero h1{
    margin-top:22px;color:#fff;font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.3;
    max-width:840px;
  }
  .sub-hero .lede{
    margin-top:16px;max-width:720px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.85;
  }
  .sub-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .sub-hero-tags span{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
    font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.22);
  }

  /* ============ 数据条 ============ */
  .metric-strip{background:var(--surface);border-bottom:1px solid var(--line);}
  .metric-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:26px 0;
  }
  .metric{
    padding:6px 26px;border-left:1px solid var(--line);
  }
  .metric:first-child{border-left:0;padding-left:0;}
  .metric .num{
    display:block;font-size:34px;font-weight:800;color:var(--brand);line-height:1.15;
  }
  .metric .num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--ink3);}
  .metric .label{display:block;margin-top:6px;font-size:14px;color:var(--ink3);}

  /* ============ 主区 ============ */
  .section{padding:var(--section-y) 0;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
  .section-head h2{font-size:clamp(22px,2.6vw,29px);}
  .section-head p{margin:10px 0 0;max-width:640px;font-size:15px;color:var(--ink2);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);
    letter-spacing:.06em;margin-bottom:10px;
  }
  .eyebrow::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:3px;}

  .index-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;}
  .anchor-nav{
    position:sticky;top:100px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px 18px;
  }
  .anchor-nav h2{
    font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.02em;margin-bottom:12px;
    padding-bottom:12px;border-bottom:1px solid var(--line);
  }
  .anchor-nav a{
    display:flex;align-items:center;gap:10px;padding:11px 10px;border-radius:8px;
    font-size:14px;font-weight:600;color:var(--ink2);transition:background .2s ease,color .2s ease;
  }
  .anchor-nav a .dot{
    width:6px;height:6px;border-radius:50%;background:var(--line);flex-shrink:0;transition:background .2s ease;
  }
  .anchor-nav a:hover{background:var(--surface-alt);color:var(--brand);}
  .anchor-nav a:hover .dot{background:var(--accent);}
  .anchor-note{
    margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink3);line-height:1.75;
  }

  .group{margin-bottom:46px;scroll-margin-top:130px;}
  .group:last-child{margin-bottom:0;}
  .group-head{
    display:flex;align-items:baseline;gap:14px;padding-bottom:14px;border-bottom:2px solid var(--brand);
  }
  .group-head h2{font-size:clamp(20px,2.3vw,25px);}
  .group-head .count{
    margin-left:auto;font-size:13px;font-weight:700;color:var(--ink3);
  }
  .group-intro{margin:16px 0 6px;font-size:15px;color:var(--ink2);max-width:780px;}
  .row-list{border-top:1px solid var(--line);}
  .row-item{
    display:grid;grid-template-columns:64px minmax(0,1fr) 24px;align-items:center;gap:20px;
    padding:19px 16px;border-bottom:1px solid var(--line);
    transition:background .2s ease,transform .2s ease;
  }
  .row-item:hover{background:var(--surface-alt);}
  .row-num{
    font-size:15px;font-weight:800;color:var(--accent);text-align:center;line-height:1.4;
  }
  .row-title{
    display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;
    transition:color .2s ease;
  }
  .row-desc{
    display:block;margin-top:5px;font-size:14px;color:var(--ink3);line-height:1.7;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  .row-arrow{
    color:var(--ink3);font-size:16px;text-align:right;transition:transform .2s ease,color .2s ease;
  }
  .row-item:hover .row-title{color:var(--accent);}
  .row-item:hover .row-arrow{transform:translateX(4px);color:var(--accent);}

  .callout{
    display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:center;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);padding:26px;margin:38px 0 0;
  }
  .callout h3{font-size:19px;margin-bottom:10px;}
  .callout p{font-size:15px;margin-bottom:14px;color:var(--ink2);}
  .callout-media{
    border-radius:var(--radius-img);overflow:hidden;aspect-ratio:4/3;background:var(--surface-alt);
  }
  .callout-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .callout:hover .callout-media img{transform:scale(1.03);}

  /* ============ 文本区 ============ */
  .prose-block{max-width:880px;}
  .prose-block h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:18px;}
  .prose-block h3{font-size:17px;margin:28px 0 10px;}
  .prose-block p{font-size:16px;line-height:1.9;}
  .prose-block a{
    color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px;
    text-decoration-color:var(--accent);
  }
  .prose-block a:hover{color:var(--accent);}
  .prose-block ul{margin:14px 0 20px;}
  .prose-block li{
    position:relative;padding-left:22px;margin-bottom:9px;font-size:16px;line-height:1.85;
  }
  .prose-block li::before{
    content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;
    background:var(--accent);transform:rotate(45deg);
  }
  .quote{
    border-left:3px solid var(--accent);background:var(--bg);border-radius:0 8px 8px 0;
    padding:18px 22px;margin:22px 0;color:var(--ink2);font-size:15.5px;
  }

  /* ============ FAQ ============ */
  .faq-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    margin:16px 0;box-shadow:var(--shadow-card);overflow:hidden;
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .faq-item:hover{box-shadow:var(--shadow-hover);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{
    margin-left:auto;flex-shrink:0;width:22px;height:22px;position:relative;
    transition:transform .2s ease;
  }
  .faq-item summary .plus::before,.faq-item summary .plus::after{
    content:"";position:absolute;background:var(--accent);border-radius:2px;
  }
  .faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px;}
  .faq-item summary .plus::after{top:0;left:10px;width:2px;height:22px;}
  .faq-item[open] summary .plus{transform:rotate(45deg);}
  .faq-answer{
    padding:2px 22px 20px 22px;border-left:3px solid var(--accent);margin:0 22px 0 22px;
    padding-left:18px;font-size:15.5px;color:var(--ink2);line-height:1.9;
  }

  /* ============ CTA ============ */
  .cta-band{background:var(--brand);border-radius:16px;padding:44px 40px;position:relative;overflow:hidden;}
  .cta-band::after{
    content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;
    background:var(--signal);opacity:.08;transform:rotate(45deg);border-radius:36px;
  }
  .cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;}
  .cta-band h2{color:#fff;font-size:clamp(21px,2.5vw,27px);}
  .cta-band p{color:rgba(255,255,255,.78);margin:12px 0 0;font-size:15px;max-width:600px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 15px;border-radius:999px;
    background:var(--surface-alt);color:var(--brand);font-size:13px;font-weight:600;
    transition:background .2s ease,color .2s ease;
  }
  .tag:hover{background:var(--accent);color:#fff;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
    line-height:1.4;transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;}
  .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-1px);}
  .btn-outline{border:1.5px solid var(--brand);color:var(--brand);}
  .btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
    border-bottom:1px solid var(--line);padding-bottom:2px;
  }
  .link-arrow span{transition:transform .2s ease,color .2s ease;}
  .link-arrow:hover{color:var(--accent);border-color:var(--accent);}
  .link-arrow:hover span{transform:translateX(4px);color:var(--accent);}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand);color:rgba(255,255,255,.72);margin-top:0;}
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:60px 0 44px;
  }
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
  .footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
  .footer-about p{font-size:14px;line-height:1.85;margin-bottom:10px;color:rgba(255,255,255,.72);}
  .footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(255,255,255,.62);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--section-y:64px;}
    .index-layout{grid-template-columns:1fr;gap:28px;}
    .anchor-nav{
      position:static;display:flex;align-items:center;gap:8px;overflow-x:auto;padding:12px 12px;
    }
    .anchor-nav h2{display:none;}
    .anchor-nav a{
      flex:0 0 auto;padding:9px 16px;border-radius:999px;background:var(--surface-alt);
      font-size:13.5px;
    }
    .anchor-nav a .dot{display:none;}
    .anchor-note{display:none;}
    .metric-grid{grid-template-columns:repeat(2,1fr);row-gap:22px;}
    .metric:nth-child(3){border-left:0;padding-left:0;}
    .callout{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  }
  @media (max-width:900px){
    .header-search{display:none;}
    .nav-toggle{display:flex;margin-left:auto;}
    .header-tools{margin-left:auto;gap:10px;}
  }
  @media (max-width:768px){
    .container-x{padding:0 16px;}
    :root{--section-y:48px;}
    .sub-hero-inner{padding:36px 0 44px;}
    .row-item{grid-template-columns:44px minmax(0,1fr) 18px;gap:14px;padding:16px 8px;}
    .row-desc{white-space:normal;}
    .cta-band{padding:32px 22px;border-radius:14px;}
    .cta-grid{grid-template-columns:1fr;}
    .faq-item summary{padding:16px;font-size:16px;}
    .faq-answer{margin:0 16px 0 16px;padding-left:14px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  }
  @media (max-width:520px){
    .metric{padding:4px 16px;}
    .metric .num{font-size:28px;}
    .group-head .count{display:none;}
    .cta-actions{width:100%;}
    .btn{flex:1 1 auto;}
  }