/* roulang page: index */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06),0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08),0 18px 40px rgba(15,110,156,.14);
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.8;
  color:var(--ht-body);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
body.ht-lock{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ht-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px}
.ht-app{display:flex;min-height:100vh;align-items:flex-start;width:100%}
.ht-sidebar{
  position:sticky;top:0;flex:0 0 236px;width:236px;height:100vh;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;padding:22px 16px 20px;overflow-y:auto;
}
.ht-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;border-bottom:1px solid var(--ht-line)}
.ht-brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--ht-primary) 0%,var(--ht-primary-deep) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.ht-brand-mark svg{width:19px;height:19px}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.25}
.ht-brand-name{font-size:16px;font-weight:700;color:var(--ht-ink);letter-spacing:.5px}
.ht-brand-sub{font-size:11px;color:var(--ht-muted);letter-spacing:1.5px}
.ht-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:var(--ht-body);font-size:15px;font-weight:500;position:relative;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary);transform:translateX(2px)}
.ht-nav-link.is-active{background:var(--ht-primary-soft);color:var(--ht-primary);font-weight:600}
.ht-nav-link.is-active::before{
  content:"";position:absolute;left:-16px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--ht-primary);
}
.ht-side-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:14px}
.ht-member-card{
  background:var(--ht-primary-soft);border-radius:var(--ht-r);padding:16px;border:1px solid #D3E6F0;
}
.ht-member-card h4{font-size:14px;font-weight:600;color:var(--ht-ink);margin-bottom:4px}
.ht-member-card p{font-size:13px;line-height:1.7;color:var(--ht-body);margin-bottom:12px}
.ht-member-card .ht-btn{width:100%;height:40px;font-size:14px}
.ht-side-contact{border-top:1px solid var(--ht-line);padding-top:14px}
.ht-side-contact h4{font-size:13px;font-weight:600;color:var(--ht-ink);margin-bottom:6px}
.ht-side-contact p{font-size:13px;line-height:1.75;color:var(--ht-muted)}
.ht-side-contact a{font-weight:600}
.ht-topbar{
  display:none;position:sticky;top:0;z-index:80;height:60px;
  background:rgba(255,255,255,.96);border-bottom:1px solid var(--ht-line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.ht-topbar .ht-brand{padding:0;border:0}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-ink);border-radius:2px;position:relative}
.ht-burger span::before,.ht-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ht-ink);border-radius:2px}
.ht-burger span::before{top:-6px}
.ht-burger span::after{top:6px}
.ht-drawer{
  display:none;position:fixed;inset:0;z-index:120;background:#fff;
  flex-direction:column;transform:translateX(100%);transition:transform .28s ease;
}
.ht-drawer.is-open{transform:translateX(0)}
.ht-drawer-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--ht-line)}
.ht-drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--ht-line);background:#fff;
  font-size:16px;color:var(--ht-ink);cursor:pointer;
}
.ht-drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.ht-drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;color:var(--ht-body);
  border-bottom:1px solid var(--ht-line);font-weight:500;
}
.ht-drawer-nav a.is-active{color:var(--ht-primary);font-weight:600;background:var(--ht-primary-soft)}
.ht-drawer-foot{padding:16px;border-top:1px solid var(--ht-line)}
.ht-drawer-foot .ht-btn{width:100%}
.ht-content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.ht-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.ht-section{padding:80px 0}
.ht-section--tight{padding:64px 0}
.ht-section-head{max-width:760px;margin-bottom:36px}
.ht-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:1px;color:var(--ht-primary);
  background:var(--ht-primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.ht-h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--ht-ink);margin-bottom:12px}
.ht-h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ht-ink);margin-bottom:10px}
.ht-lead{font-size:16px;line-height:1.85;color:var(--ht-body);max-width:760px}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-btn-primary{background:var(--ht-primary);color:#fff}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,110,156,.24)}
.ht-btn-primary:active{transform:translateY(0);box-shadow:none}
.ht-btn-accent{background:var(--ht-accent);color:#fff}
.ht-btn-accent:hover{background:#D87718;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(238,138,43,.28)}
.ht-btn-accent:active{transform:translateY(0);box-shadow:none}
.ht-btn-ghost{background:#fff;color:var(--ht-primary);border-color:var(--ht-primary)}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep)}
.ht-btn-text{
  height:auto;padding:0;background:none;color:var(--ht-primary);font-weight:600;
}
.ht-btn-text svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.ht-btn-text:hover svg{transform:translateX(4px)}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed}
.ht-btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.ht-badge{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:5px 9px;border-radius:4px;
  background:var(--ht-primary-soft);color:var(--ht-primary);
}
.ht-badge--accent{background:var(--ht-accent);color:#fff}
.ht-badge--outline{background:#fff;border:1px solid var(--ht-primary);color:var(--ht-primary)}
.ht-chips{display:flex;flex-wrap:wrap;gap:10px}
.ht-chip{
  font-size:13px;color:var(--ht-body);background:#fff;border:1px solid var(--ht-line);
  border-radius:999px;padding:7px 14px;
}
.ht-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--ht-bg) 100%);
  border-bottom:1px solid var(--ht-line);padding:72px 0 64px;
}
.ht-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.ht-h1{font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:700;color:var(--ht-ink);margin-bottom:16px}
.ht-hero-sub{font-size:17px;line-height:1.85;color:var(--ht-body);max-width:620px;margin-bottom:26px}
.ht-hero-media{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;box-shadow:var(--ht-shadow-1);
  min-height:380px;background:var(--ht-primary-soft);
}
.ht-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4}
.ht-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(255,255,255,.18) 0%,rgba(15,110,156,.16) 100%);
}
.ht-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ht-line);
  border:1px solid var(--ht-line);border-radius:var(--ht-r);overflow:hidden;margin-top:44px;
}
.ht-stat{background:#fff;padding:20px 22px}
.ht-stat-num{
  font-size:26px;font-weight:700;color:var(--ht-primary);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.ht-stat-label{font-size:13px;color:var(--ht-muted);line-height:1.7;margin-top:4px}
.ht-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  box-shadow:var(--ht-shadow-1);padding:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-card:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#C6DFEB}
.ht-compare-wrap{
  background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);
  box-shadow:var(--ht-shadow-1);overflow-x:auto;
}
table.ht-compare{min-width:720px;font-size:15px}
table.ht-compare th,table.ht-compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--ht-line)}
table.ht-compare thead th{
  background:var(--ht-primary-soft);color:var(--ht-ink);font-weight:600;font-size:15px;
  border-bottom:1px solid #D3E6F0;white-space:nowrap;
}
table.ht-compare thead th.ht-col-hot{position:relative;background:#DDEEF7}
table.ht-compare tbody tr:nth-child(even){background:#FBFDFE}
table.ht-compare tbody tr:last-child td{border-bottom:0}
table.ht-compare td.ht-col-hot{background:#F4FAFD;font-weight:600;color:var(--ht-ink)}
table.ht-compare td:first-child{color:var(--ht-ink);font-weight:500}
.ht-compare-cards{display:none;gap:16px}
.ht-compare-note{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-top:24px;padding:18px 22px;background:var(--ht-primary-soft);border-radius:var(--ht-r);
  border:1px solid #D3E6F0;
}
.ht-compare-note p{font-size:14px;color:var(--ht-body);max-width:640px}
.ht-grid{display:grid;gap:24px}
.ht-grid--3{grid-template-columns:repeat(3,1fr)}
.ht-grid--2{grid-template-columns:repeat(2,1fr)}
.ht-level{position:relative;overflow:hidden;padding-top:28px}
.ht-level::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--ht-line)}
.ht-level--1::before{background:#9CBCCB}
.ht-level--2::before{background:var(--ht-primary)}
.ht-level--3::before{background:var(--ht-accent)}
.ht-level-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ht-level-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--ht-primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--ht-primary);
}
.ht-level-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ht-level-name{font-size:18px;font-weight:700;color:var(--ht-ink)}
.ht-level-tier{font-size:12px;color:var(--ht-muted);letter-spacing:1px}
.ht-list{margin:6px 0 20px;display:flex;flex-direction:column;gap:9px}
.ht-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ht-body)}
.ht-list li::before{
  content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--ht-primary-soft);box-shadow:inset 0 0 0 2px var(--ht-primary);
}
.ht-preview{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:start}
.ht-preview-list{display:flex;flex-direction:column;gap:14px}
.ht-preview-item{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--ht-r);padding:14px;position:relative;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-preview-item:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-2);border-color:#C6DFEB}
.ht-preview-thumb{
  width:132px;flex:0 0 132px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--ht-primary-soft);
}
.ht-preview-thumb img{width:100%;height:100%;object-fit:cover}
.ht-preview-body{min-width:0;flex:1}
.ht-preview-body h3{font-size:16px;font-weight:600;color:var(--ht-ink);line-height:1.55;margin-bottom:6px}
.ht-preview-meta{font-size:13px;color:var(--ht-muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.ht-lock-mask{
  position:absolute;right:0;top:0;bottom:0;width:34%;
  background:linear-gradient(90deg,rgba(246,248,250,0) 0%,rgba(246,248,250,.92) 60%);
  display:flex;align-items:center;justify-content:flex-end;padding-right:16px;
  font-size:12px;color:var(--ht-primary);font-weight:600;
}
.ht-side-card{background:var(--ht-primary-soft);border:1px solid #D3E6F0;border-radius:var(--ht-r-lg);padding:26px}
.ht-side-card h3{font-size:18px;font-weight:700;color:var(--ht-ink);margin-bottom:10px}
.ht-side-card p{font-size:14px;line-height:1.8;color:var(--ht-body);margin-bottom:18px}
.ht-faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.ht-faq-item{background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);overflow:hidden;transition:border-color .18s ease}
.ht-faq-item.is-open{border-color:#C6DFEB}
.ht-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;padding:18px 22px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ht-ink);line-height:1.6;
}
.ht-faq-sign{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;border:1px solid var(--ht-primary);
  position:relative;transition:background .18s ease;
}
.ht-faq-sign::before,.ht-faq-sign::after{
  content:"";position:absolute;background:var(--ht-primary);border-radius:2px;transition:opacity .18s ease;
}
.ht-faq-sign::before{left:6px;right:6px;top:10px;height:1.6px}
.ht-faq-sign::after{top:6px;bottom:6px;left:10px;width:1.6px}
.ht-faq-item.is-open .ht-faq-sign{background:var(--ht-primary-soft)}
.ht-faq-item.is-open .ht-faq-sign::after{opacity:0}
.ht-faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.ht-faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ht-body)}
.ht-cta{
  background:var(--ht-primary-soft);border:1px solid #D3E6F0;border-radius:var(--ht-r-lg);
  padding:48px;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.ht-cta h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--ht-ink);line-height:1.4;margin-bottom:10px}
.ht-cta p{font-size:15px;line-height:1.85;color:var(--ht-body)}
.ht-cta-rules{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13px;color:var(--ht-muted)}
.ht-cta-rules span{display:flex;align-items:center;gap:6px}
.ht-cta-rules span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ht-accent)}
.ht-cta-actions{display:flex;flex-direction:column;gap:12px}
.ht-cta-actions .ht-btn{width:100%}
.ht-news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ht-news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--ht-r);overflow:hidden;box-shadow:var(--ht-shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-news-card:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#C6DFEB}
.ht-news-thumb{aspect-ratio:16/9;background:var(--ht-primary-soft);overflow:hidden}
.ht-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.ht-news-card:hover .ht-news-thumb img{transform:scale(1.04)}
.ht-news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.ht-news-body h3{font-size:17px;font-weight:600;line-height:1.55;margin:12px 0 8px}
.ht-news-body h3 a{color:var(--ht-ink)}
.ht-news-body h3 a:hover{color:var(--ht-primary)}
.ht-news-excerpt{
  font-size:14px;line-height:1.75;color:var(--ht-body);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ht-muted)}
.ht-empty{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed #CFE1EB;
  border-radius:var(--ht-r-lg);
}
.ht-empty svg{width:40px;height:40px;margin:0 auto 14px;stroke:var(--ht-primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.ht-empty h3{font-size:17px;font-weight:600;color:var(--ht-ink);margin-bottom:6px}
.ht-empty p{font-size:14px;color:var(--ht-muted);margin-bottom:16px}
.ht-contact-bar{
  background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);
  padding:28px 32px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  box-shadow:var(--ht-shadow-1);
}
.ht-contact-bar h3{font-size:18px;font-weight:700;color:var(--ht-ink);margin-bottom:4px}
.ht-contact-bar p{font-size:14px;color:var(--ht-muted)}
.ht-footer{background:#fff;border-top:1px solid var(--ht-line);margin-top:auto}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.ht-footer h4{font-size:14px;font-weight:700;color:var(--ht-ink);margin-bottom:14px}
.ht-footer p{font-size:14px;line-height:1.85;color:var(--ht-body)}
.ht-footer-links{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:14px;color:var(--ht-body)}
.ht-footer-links a:hover{color:var(--ht-primary)}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ht-footer-brand .ht-brand-mark{width:32px;height:32px;flex:0 0 32px}
.ht-footer-brand strong{font-size:16px;color:var(--ht-ink);letter-spacing:.5px}
.ht-footer-bottom{
  border-top:1px solid var(--ht-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--ht-muted);
}
.ht-footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.ht-footer-bottom nav a{font-size:13px;color:var(--ht-muted)}
.ht-footer-bottom nav a:hover{color:var(--ht-primary)}
.ht-backtop{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--ht-line);box-shadow:var(--ht-shadow-1);
  display:flex;align-items:center;justify-content:center;color:var(--ht-primary);cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.ht-backtop.is-show{opacity:1;pointer-events:auto}
.ht-backtop:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2)}
.ht-backtop svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:1199px){
  .ht-preview{grid-template-columns:1fr;gap:24px}
  .ht-news-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .ht-sidebar{display:none}
  .ht-topbar{display:flex}
  .ht-section{padding:56px 0}
  .ht-section--tight{padding:48px 0}
  .ht-wrap{padding:0 24px}
  .ht-hero{padding:48px 0 44px}
  .ht-hero-grid{grid-template-columns:1fr;gap:32px}
  .ht-hero-media{min-height:0}
  .ht-grid--3{grid-template-columns:repeat(2,1fr)}
  .ht-cta{grid-template-columns:1fr;padding:36px}
  .ht-cta-actions{flex-direction:row;flex-wrap:wrap}
  .ht-cta-actions .ht-btn{width:auto;min-width:180px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
}
@media (max-width:767px){
  .ht-wrap{padding:0 16px}
  .ht-section{padding:44px 0}
  .ht-section--tight{padding:40px 0}
  body{font-size:15px}
  .ht-btn{height:42px;padding:0 20px}
  .ht-stats{grid-template-columns:1fr;margin-top:32px}
  .ht-stat{padding:16px 18px}
  .ht-grid--3,.ht-grid--2{grid-template-columns:1fr}
  .ht-compare-wrap{display:none}
  .ht-compare-cards{display:grid}
  .ht-preview-thumb{width:104px;flex:0 0 104px}
  .ht-news-list{grid-template-columns:1fr}
  .ht-faq-q{padding:16px 18px;font-size:15px}
  .ht-faq-a-inner{padding:0 18px 18px}
  .ht-cta{padding:28px 20px}
  .ht-cta-rules{gap:12px}
  .ht-contact-bar{padding:22px 20px}
  .ht-footer-grid{grid-template-columns:1fr;gap:26px}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start}
  .ht-backtop{right:16px;bottom:16px}
}

/* roulang page: article */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06), 0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08), 0 18px 40px rgba(15,110,156,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ht-bg);
  color:var(--ht-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--ht-r);}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ht-primary-deep);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{color:var(--ht-ink);margin:0;font-weight:700;line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
:focus-visible{outline:3px solid rgba(15,110,156,.35);outline-offset:2px;border-radius:6px;}
.ht-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* 布局骨架 */
.ht-shell{display:flex;align-items:flex-start;gap:32px;max-width:1200px;margin:0 auto;padding:0 32px;}

/* 左侧竖向导航 */
.ht-sidebar{
  width:236px;flex:0 0 236px;position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  padding:24px 18px 28px;display:flex;flex-direction:column;gap:20px;
  margin-left:calc((100vw - 1200px)/-2 + 0px);
}
.ht-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 16px;border-bottom:1px solid var(--ht-line);}
.ht-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ht-primary-soft);
  color:var(--ht-primary);display:flex;align-items:center;justify-content:center;
}
.ht-brand-mark svg{width:22px;height:22px;}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.25;}
.ht-brand-text strong{font-size:17px;color:var(--ht-ink);letter-spacing:.4px;}
.ht-brand-text span{font-size:12px;color:var(--ht-muted);}
.ht-nav{display:flex;flex-direction:column;gap:6px;}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  color:var(--ht-body);font-size:15px;font-weight:500;line-height:1.4;
  border-left:3px solid transparent;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);transform:translateX(2px);}
.ht-nav-link.is-active{background:var(--ht-primary-soft);color:var(--ht-primary);border-left-color:var(--ht-primary);font-weight:600;}
.ht-side-card{
  margin-top:auto;background:var(--ht-bg);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:16px;display:flex;flex-direction:column;gap:10px;
}
.ht-side-card h4{font-size:14px;font-weight:600;}
.ht-side-card p{font-size:13px;color:var(--ht-muted);margin:0;line-height:1.7;}
.ht-side-contact{border-top:1px solid var(--ht-line);padding-top:14px;font-size:13px;color:var(--ht-muted);line-height:1.9;}

/* 移动端顶栏 */
.ht-mobilebar{
  display:none;position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(6px);border-bottom:1px solid var(--ht-line);
  height:60px;align-items:center;justify-content:space-between;padding:0 16px;
}
.ht-mobilebar .ht-mb-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ht-ink);font-size:16px;}
.ht-mb-toggle{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--ht-line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ht-primary);cursor:pointer;
}
.ht-mb-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;}
.ht-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;display:none;flex-direction:column;
  padding:16px;overflow-y:auto;
}
.ht-drawer.is-open{display:flex;}
.ht-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--ht-line);}
.ht-drawer-head strong{font-size:17px;color:var(--ht-ink);}
.ht-drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--ht-line);background:#fff;color:var(--ht-ink);cursor:pointer;font-size:18px;}
.ht-drawer nav{display:flex;flex-direction:column;margin-top:8px;}
.ht-drawer nav a{
  min-height:48px;display:flex;align-items:center;gap:10px;color:var(--ht-body);
  border-bottom:1px solid var(--ht-line);font-size:16px;font-weight:500;
}
.ht-drawer nav a svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.ht-drawer-foot{margin-top:auto;padding-top:16px;}

/* 按钮 */
.ht-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease;}
.ht-btn-primary{background:var(--ht-primary);color:#fff;box-shadow:var(--ht-shadow-1);}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);}
.ht-btn-primary:active{transform:translateY(0);}
.ht-btn-accent{background:var(--ht-accent);color:#fff;box-shadow:var(--ht-shadow-1);}
.ht-btn-accent:hover{background:#d97a1d;color:#fff;transform:translateY(-1px);}
.ht-btn-ghost{background:#fff;border-color:var(--ht-primary);color:var(--ht-primary);}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);}
.ht-btn-text{background:none;border:none;color:var(--ht-primary);padding:0;height:auto;font-weight:600;}
.ht-btn-text .ht-arrow{transition:transform .18s ease;display:inline-block;}
.ht-btn-text:hover .ht-arrow{transform:translateX(4px);}

/* 主内容区 */
.ht-main{flex:1 1 auto;min-width:0;padding:28px 0 72px;}
.ht-crumbs{font-size:13px;color:var(--ht-muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:20px;}
.ht-crumbs a{color:var(--ht-muted);}
.ht-crumbs a:hover{color:var(--ht-primary);}
.ht-crumbs .sep{color:#C6D2DB;}
.ht-crumbs .current{color:var(--ht-body);}

.ht-article-head{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);
  padding:32px;box-shadow:var(--ht-shadow-1);
}
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:4px;
  background:var(--ht-primary-soft);color:var(--ht-primary);font-size:12px;font-weight:600;letter-spacing:.3px;
}
.ht-badge-accent{background:var(--ht-accent);color:#fff;}
.ht-badge-line{background:#fff;border:1px solid var(--ht-primary);color:var(--ht-primary);}
.ht-article-head h1{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:16px 0 12px;}
.ht-lede{font-size:16px;color:var(--ht-body);max-width:780px;}
.ht-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--ht-muted);margin-top:16px;padding-top:16px;border-top:1px dashed var(--ht-line);}
.ht-cover{margin-top:24px;border-radius:var(--ht-r-lg);overflow:hidden;aspect-ratio:16/9;background:var(--ht-primary-soft);}
.ht-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}

.ht-article-layout{display:block;}
.ht-article-body{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);
  padding:48px;margin-top:24px;box-shadow:var(--ht-shadow-1);
}
.ht-article-body>.ht-inner{max-width:780px;}
.ht-article-body h2{
  font-size:clamp(22px,2.6vw,30px);margin:32px 0 12px;padding-left:14px;border-left:4px solid var(--ht-primary);
}
.ht-article-body h3{font-size:19px;margin:24px 0 10px;}
.ht-article-body p{margin-bottom:1em;}
.ht-article-body img{margin:20px 0;border-radius:var(--ht-r);}
.ht-article-body blockquote{
  margin:20px 0;padding:16px 20px;background:var(--ht-primary-soft);
  border-left:3px solid var(--ht-primary);border-radius:0 var(--ht-r) var(--ht-r) 0;color:var(--ht-ink);
}
.ht-article-body ul,.ht-article-body ol{padding-left:1.3em;}
.ht-article-body li{margin-bottom:8px;}
.ht-article-body li::marker{color:var(--ht-primary);}
.ht-article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap;}
.ht-article-body th{background:var(--ht-primary-soft);color:var(--ht-ink);text-align:left;padding:12px 14px;border:1px solid var(--ht-line);font-weight:600;}
.ht-article-body td{padding:12px 14px;border:1px solid var(--ht-line);}
.ht-article-body tbody tr:nth-child(even){background:#FBFDFE;}
.ht-empty{text-align:center;padding:48px 16px;}
.ht-empty svg{width:52px;height:52px;stroke:var(--ht-primary);fill:none;stroke-width:1.4;margin:0 auto 16px;}
.ht-empty h2{font-size:22px;margin-bottom:8px;border:none;padding:0;}
.ht-empty p{color:var(--ht-muted);}

.ht-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:20px;border-top:1px solid var(--ht-line);}
.ht-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--ht-bg);border:1px solid var(--ht-line);color:var(--ht-body);font-size:13px;
}
.ht-chip:hover{border-color:var(--ht-primary);color:var(--ht-primary);}

.ht-return{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}

/* 右侧粘性栏 */
.ht-aside{display:none;}
.ht-aside-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:20px;box-shadow:var(--ht-shadow-1);
}
.ht-aside-card h4{font-size:15px;margin-bottom:12px;}
.ht-toc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.ht-toc a{
  display:block;padding:7px 10px;border-left:3px solid transparent;border-radius:6px;
  font-size:14px;color:var(--ht-body);line-height:1.5;
}
.ht-toc a:hover{background:var(--ht-bg);color:var(--ht-primary);}
.ht-toc a.is-current{border-left-color:var(--ht-primary);background:var(--ht-primary-soft);color:var(--ht-primary);font-weight:600;}
.ht-member-card{
  margin-top:20px;background:var(--ht-primary-soft);border:1px solid #CFE3EE;border-radius:var(--ht-r);
  padding:20px;
}
.ht-member-card h4{font-size:15px;margin-bottom:8px;}
.ht-member-card p{font-size:13px;color:var(--ht-body);margin-bottom:14px;}
.ht-member-card .ht-btn{width:100%;}

/* 板块 */
.ht-section{margin-top:56px;}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.ht-section-head h2{font-size:clamp(22px,2.6vw,30px);}
.ht-section-head p{font-size:14px;color:var(--ht-muted);margin:6px 0 0;}
.ht-grid{display:grid;gap:24px;}
.ht-grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.ht-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  overflow:hidden;box-shadow:var(--ht-shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-card:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#BFD9E7;}
.ht-card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ht-primary-soft);}
.ht-card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.ht-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ht-card-body h3{font-size:17px;line-height:1.5;}
.ht-card-body h3 a{color:var(--ht-ink);}
.ht-card-body h3 a:hover{color:var(--ht-primary);}
.ht-card-body p{font-size:14px;color:var(--ht-body);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-card-foot{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ht-muted);margin-top:auto;}

/* CTA 带 */
.ht-cta{
  margin-top:56px;background:var(--ht-primary-soft);border:1px solid #CFE3EE;border-radius:var(--ht-r-lg);
  padding:40px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.ht-cta h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:8px;}
.ht-cta p{margin:0;color:var(--ht-body);max-width:620px;}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.ht-footer{margin-top:72px;background:#fff;border-top:1px solid var(--ht-line);}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 32px;}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.ht-footer-brand strong{font-size:17px;color:var(--ht-ink);}
.ht-footer h4{font-size:15px;margin-bottom:14px;}
.ht-footer p{font-size:14px;color:var(--ht-muted);margin:0 0 8px;}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{color:var(--ht-body);font-size:14px;}
.ht-footer-links a:hover{color:var(--ht-primary);}
.ht-footer-bottom{
  border-top:1px solid var(--ht-line);padding:20px 0 28px;display:flex;flex-wrap:wrap;
  gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--ht-muted);
}
.ht-footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.ht-footer-bottom nav a{color:var(--ht-muted);}
.ht-footer-bottom nav a:hover{color:var(--ht-primary);}

/* 返回顶部 */
.ht-totop{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--ht-line);box-shadow:var(--ht-shadow-1);
  color:var(--ht-primary);display:none;align-items:center;justify-content:center;cursor:pointer;z-index:50;
}
.ht-totop.is-show{display:flex;}
.ht-totop svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.ht-totop:hover{border-color:var(--ht-primary);}

@media (min-width:1200px){
  .ht-aside{display:block;width:280px;flex:0 0 280px;position:sticky;top:24px;}
}
@media (max-width:1199px){
  .ht-aside{width:100%;margin-top:24px;}
  .ht-aside-card+.ht-member-card{margin-top:16px;}
}
@media (max-width:1023px){
  .ht-sidebar{display:none;}
  .ht-mobilebar{display:flex;}
  .ht-shell{padding:0 24px;gap:0;}
  .ht-main{padding:20px 0 56px;}
  .ht-article-body{padding:32px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 24px;}
  .ht-cta{padding:32px;}
}
@media (max-width:767px){
  .ht-wrap,.ht-shell{padding:0 16px;}
  .ht-article-head{padding:22px;}
  .ht-article-body{padding:20px;}
  .ht-grid-3{grid-template-columns:1fr;}
  .ht-footer-grid{grid-template-columns:1fr;gap:24px;}
  .ht-cta{padding:26px 20px;}
  .ht-btn{width:100%;height:42px;}
  .ht-return .ht-btn,.ht-cta-actions .ht-btn{width:100%;}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .ht-article-head h1{font-size:26px;}
  .ht-meta{gap:12px;font-size:12px;}
}

/* roulang page: category1 */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06),0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08),0 18px 40px rgba(15,110,156,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--ht-bg);
  color:var(--ht-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ht-primary-deep)}
h1,h2,h3,h4{color:var(--ht-ink);margin:0;font-weight:700}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
h3{font-size:19px;line-height:1.5;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;border-radius:6px}

/* 布局骨架 */
.ht-wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.ht-shell{display:flex;align-items:flex-start;max-width:1460px;margin:0 auto}
.ht-main{flex:1 1 auto;min-width:0}
.ht-grid{margin-left:-12px;margin-right:-12px}
.ht-grid>.cell{padding-left:12px;padding-right:12px}

/* 移动端顶部条 */
.ht-mobilebar{
  display:none;align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;background:#fff;border-bottom:1px solid var(--ht-line);
  position:sticky;top:0;z-index:70;
}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);
  background:#fff;color:var(--ht-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.ht-burger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* 左侧导航 */
.ht-sidenav{
  width:236px;flex:0 0 236px;background:#fff;border-right:1px solid var(--ht-line);
  padding:26px 16px 32px;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.ht-brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;color:var(--ht-ink)}
.ht-brand:hover{color:var(--ht-primary)}
.ht-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ht-primary-soft);
  color:var(--ht-primary);display:flex;align-items:center;justify-content:center;
}
.ht-brand-mark svg{width:22px;height:22px}
.ht-brand-text{font-size:18px;font-weight:700;letter-spacing:.5px;color:inherit}
.ht-nav{display:flex;flex-direction:column;gap:4px}
.ht-nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--ht-r-sm);color:var(--ht-body);
  font-size:15px;line-height:1.45;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary);transform:translateX(2px)}
.ht-nav-link.is-active{background:var(--ht-primary-soft);color:var(--ht-primary);font-weight:600}
.ht-nav-link.is-active::before{
  content:"";position:absolute;left:-16px;top:8px;bottom:8px;width:3px;
  background:var(--ht-primary);border-radius:0 3px 3px 0;
}
.ht-side-card{
  margin-top:26px;padding:18px;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  background:linear-gradient(180deg,var(--ht-primary-soft),#fff 70%);
}
.ht-side-card-title{font-size:14px;font-weight:700;color:var(--ht-ink);margin:0 0 6px}
.ht-side-card-desc{font-size:13px;line-height:1.7;color:var(--ht-muted);margin:0 0 14px}
.ht-side-contact{margin-top:22px;padding-top:18px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-muted)}
.ht-side-contact p{margin:0 0 6px}
.ht-drawer-cta{display:none}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.ht-btn:active{transform:translateY(0)}
.ht-btn-primary{background:var(--ht-primary);color:#fff}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-shadow-2)}
.ht-btn-accent{background:var(--ht-accent);color:#fff}
.ht-btn-accent:hover{background:#d97a1f;color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(238,138,43,.28)}
.ht-btn-ghost{background:#fff;color:var(--ht-primary);border-color:var(--ht-primary)}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);border-color:var(--ht-primary-deep)}
.ht-btn-block{width:100%}
.ht-btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-primary);
}
.ht-btn-text .ht-arrow{transition:transform .18s ease}
.ht-btn-text:hover .ht-arrow{transform:translateX(4px)}

/* 徽章与标签 */
.ht-chips{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.ht-chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--ht-line);color:var(--ht-body);font-size:13px;
}
.ht-chip svg{width:14px;height:14px;fill:none;stroke:var(--ht-primary);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ht-badge{
  display:inline-block;padding:3px 9px;border-radius:4px;font-size:12px;font-weight:600;
  background:var(--ht-primary-soft);color:var(--ht-primary);margin-bottom:10px;
}
.ht-badge-accent{background:var(--ht-accent);color:#fff}

/* 页头 */
.ht-hero{background:#fff;border-bottom:1px solid var(--ht-line);padding:34px 0 56px}
.ht-breadcrumb{font-size:13px;color:var(--ht-muted);margin-bottom:16px}
.ht-breadcrumb a{color:var(--ht-muted)}
.ht-breadcrumb a:hover{color:var(--ht-primary)}
.ht-breadcrumb span.sep{margin:0 6px;color:#c3ced8}
.ht-breadcrumb .current{color:var(--ht-body)}
.ht-hero h1{font-size:clamp(28px,4vw,40px);line-height:1.25;letter-spacing:-.2px}
.ht-lead{max-width:640px;margin:14px 0 0;font-size:16px;line-height:1.8;color:var(--ht-body)}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.ht-hero-media{margin-top:26px}
.ht-hero-media .ht-media-frame{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--ht-line);box-shadow:var(--ht-shadow-1);
}
.ht-hero-media img{width:100%;height:100%;object-fit:cover}
.ht-media-frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(15,110,156,.14));
}
.ht-caption{font-size:13px;color:var(--ht-muted);margin-top:10px;text-align:center}

/* 板块 */
.ht-section{padding:72px 0}
.ht-section-alt{background:#fff;border-top:1px solid var(--ht-line);border-bottom:1px solid var(--ht-line)}
.ht-section-head{max-width:760px;margin-bottom:34px}
.ht-section-head p{margin-top:12px;color:var(--ht-body)}
.ht-eyebrow{font-size:13px;font-weight:600;color:var(--ht-primary);letter-spacing:1px;margin-bottom:10px;display:block}

/* 双栏：锚点目录 + 分组 */
.ht-cols{display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start}
.ht-anchor{
  background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:20px;position:sticky;top:24px;box-shadow:var(--ht-shadow-1);
}
.ht-anchor h2{font-size:15px;font-weight:700;margin-bottom:12px}
.ht-anchor ul{display:flex;flex-direction:column;gap:2px}
.ht-anchor a{
  display:block;padding:9px 10px;border-left:3px solid transparent;border-radius:0 var(--ht-r-sm) var(--ht-r-sm) 0;
  font-size:14px;color:var(--ht-body);
}
.ht-anchor a:hover{background:var(--ht-primary-soft);color:var(--ht-primary)}
.ht-anchor a.is-current{border-left-color:var(--ht-primary);background:var(--ht-primary-soft);color:var(--ht-primary);font-weight:600}
.ht-anchor-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-muted);line-height:1.7}

.ht-groups{background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);padding:28px 30px;box-shadow:var(--ht-shadow-1)}
.ht-group+.ht-group{margin-top:24px;padding-top:24px;border-top:1px solid var(--ht-line)}
.ht-group h2{font-size:21px;line-height:1.4}
.ht-group-lead{margin:12px 0 14px;max-width:720px}
.ht-points{display:grid;gap:9px;margin-bottom:16px}
.ht-points li{position:relative;padding-left:24px;font-size:15px;line-height:1.75;color:var(--ht-body)}
.ht-points li::before{
  content:"";position:absolute;left:2px;top:10px;width:12px;height:7px;
  border-left:2px solid var(--ht-primary);border-bottom:2px solid var(--ht-primary);
  transform:rotate(-45deg);border-radius:1px;
}

/* 步骤时间线 */
.ht-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.ht-step{position:relative}
.ht-step::before{
  content:"";position:absolute;top:18px;left:48px;right:-20px;height:1px;background:var(--ht-line);
}
.ht-step:last-child::before{display:none}
.ht-step-num{
  width:36px;height:36px;border-radius:50%;background:var(--ht-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  position:relative;z-index:1;font-variant-numeric:tabular-nums;
}
.ht-step h3{margin:16px 0 8px;font-size:17px}
.ht-step p{font-size:14px;line-height:1.75;color:var(--ht-body);margin:0}

/* 场景路径卡 */
.ht-path{
  height:100%;background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:24px;box-shadow:var(--ht-shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-path:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#bcdcec}
.ht-path-num{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ht-accent);
  background:var(--ht-accent-soft);padding:4px 10px;border-radius:999px;margin-bottom:14px;
}
.ht-path h3{margin-bottom:10px}
.ht-path p{font-size:15px;line-height:1.75;margin-bottom:16px}

/* FAQ */
.ht-faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.ht-faq details{
  background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:0 21px;transition:border-color .18s ease,box-shadow .18s ease;
}
.ht-faq details[open]{border-color:#bcdcec;box-shadow:var(--ht-shadow-1)}
.ht-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ht-ink);line-height:1.6;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary::after{
  content:"+";flex:0 0 auto;color:var(--ht-primary);font-size:20px;font-weight:600;line-height:1.4;
}
.ht-faq details[open] summary::after{content:"–"}
.ht-faq-a{
  font-size:15px;line-height:1.8;color:var(--ht-body);
  padding:14px 0 20px;border-top:1px solid var(--ht-line);max-width:760px;
}

/* CTA 带 */
.ht-cta{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;border:1px solid #cfe4ef;
  padding:48px;background-image:linear-gradient(120deg,rgba(231,242,248,.94),rgba(255,255,255,.92)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.ht-cta-inner{max-width:760px}
.ht-cta h2{margin-bottom:12px}
.ht-cta p{font-size:16px;color:var(--ht-body)}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.ht-cta-notes{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;padding-top:20px;border-top:1px solid #cfe4ef;font-size:13px;color:var(--ht-muted)}
.ht-cta-notes span{display:inline-flex;align-items:center;gap:6px}
.ht-cta-notes svg{width:14px;height:14px;fill:none;stroke:var(--ht-primary);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* 联系条 */
.ht-contactbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:24px 28px;box-shadow:var(--ht-shadow-1);
}
.ht-contactbar strong{display:block;color:var(--ht-ink);font-size:17px;margin-bottom:4px}
.ht-contactbar span{font-size:14px;color:var(--ht-muted)}

/* 页脚 */
.ht-footer{background:#fff;border-top:1px solid var(--ht-line);padding:56px 0 0;margin-top:8px}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.ht-footer h4{font-size:15px;margin-bottom:14px}
.ht-footer p{font-size:14px;line-height:1.8;color:var(--ht-muted)}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ht-footer-brand strong{font-size:17px;color:var(--ht-ink)}
.ht-footer-links{display:flex;flex-direction:column;gap:9px}
.ht-footer-links a{font-size:14px;color:var(--ht-body)}
.ht-footer-links a:hover{color:var(--ht-primary)}
.ht-footer-bottom{
  margin-top:44px;border-top:1px solid var(--ht-line);padding:20px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ht-muted);
}
.ht-footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.ht-footer-bottom a{color:var(--ht-muted)}
.ht-footer-bottom a:hover{color:var(--ht-primary)}

/* 返回顶部 */
.ht-totop{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--ht-line);color:var(--ht-primary);box-shadow:var(--ht-shadow-1);
  display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:60;
}
.ht-totop.is-visible{opacity:1;visibility:visible}
.ht-totop:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-2)}
.ht-totop svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* 遮罩 */
.ht-mask{position:fixed;inset:0;background:rgba(19,35,45,.42);z-index:80;opacity:0;transition:opacity .2s ease}
.ht-mask.is-open{opacity:1}

/* 响应式 */
@media (max-width:1023px){
  .ht-wrap{padding:0 24px}
  .ht-mobilebar{display:flex}
  .ht-sidenav{
    position:fixed;top:0;left:0;bottom:0;height:100%;width:290px;max-width:86vw;
    transform:translateX(-102%);transition:transform .24s ease;z-index:90;padding-bottom:96px;
  }
  .ht-sidenav.is-open{transform:none;box-shadow:0 20px 46px rgba(19,35,45,.22)}
  .ht-drawer-cta{
    display:block;position:fixed;left:0;bottom:0;width:290px;max-width:86vw;
    padding:14px 16px;background:#fff;border-top:1px solid var(--ht-line);
    transform:translateX(-102%);transition:transform .24s ease;z-index:91;
  }
  .ht-drawer-cta.is-open{transform:none}
  .ht-cols{grid-template-columns:minmax(0,1fr);gap:24px}
  .ht-anchor{position:static}
  .ht-anchor ul{flex-direction:row;flex-wrap:wrap;gap:8px}
  .ht-anchor a{border-left:none;border:1px solid var(--ht-line);border-radius:999px;padding:7px 14px;font-size:13px}
  .ht-anchor a.is-current{border-color:var(--ht-primary);background:var(--ht-primary-soft)}
  .ht-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px}
  .ht-step::before{display:none}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ht-section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .ht-wrap{padding:0 16px}
  .ht-grid{margin-left:0;margin-right:0}
  .ht-grid>.cell{padding-left:0;padding-right:0}
  .ht-hero{padding:22px 0 40px}
  .ht-section{padding:44px 0}
  .ht-groups{padding:22px 18px}
  .ht-faq details{padding:0 16px}
  .ht-cta{padding:28px 20px}
  .ht-cta-notes{gap:12px;flex-direction:column}
  .ht-footbar{flex-direction:column;align-items:flex-start}
  .ht-contactbar{padding:20px}
  .ht-footer{padding-top:40px}
  .ht-footer-grid{grid-template-columns:1fr;gap:24px}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start}
  .ht-totop{right:16px;bottom:20px}
  .ht-hero-actions .ht-btn,.ht-cta-actions .ht-btn{width:100%}
}
@media (max-width:520px){
  .ht-steps{grid-template-columns:minmax(0,1fr)}
}

/* roulang page: category2 */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06),0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08),0 18px 40px rgba(15,110,156,.14);
  --ht-sidebar-w:236px;
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.8;
  color:var(--ht-body);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
body.ht-noscroll{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ht-primary-deep);}
h1,h2,h3,h4{color:var(--ht-ink);font-weight:700;}
h1{font-size:clamp(28px,4vw,40px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;border-radius:6px;}
.ht-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 布局骨架 ---------- */
.ht-app{display:flex;align-items:flex-start;min-height:100vh;}
.ht-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}

/* ---------- 左侧竖向导航 ---------- */
.ht-sidebar{
  position:sticky;
  top:0;
  flex:0 0 var(--ht-sidebar-w);
  width:var(--ht-sidebar-w);
  height:100vh;
  background:var(--ht-surface);
  border-right:1px solid var(--ht-line);
  padding:22px 16px 20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
  z-index:60;
}
.ht-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;border-bottom:1px solid var(--ht-line);}
.ht-brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--ht-primary-soft);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;
}
.ht-brand-mark svg{width:19px;height:19px;}
.ht-brand-text{font-size:17px;font-weight:700;color:var(--ht-ink);letter-spacing:.4px;}
.ht-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-radius:var(--ht-r-sm);
  font-size:14.5px;
  color:var(--ht-body);
  border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{
  width:18px;height:18px;flex:0 0 18px;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);transform:translateX(2px);}
.ht-nav-link.is-active{
  background:var(--ht-primary-soft);
  border-left-color:var(--ht-primary);
  color:var(--ht-primary);
  font-weight:600;
}
.ht-side-card{
  background:var(--ht-bg);
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r);
  padding:16px;
}
.ht-side-card-title{font-size:14px;font-weight:600;color:var(--ht-ink);margin-bottom:6px;}
.ht-side-card p{font-size:13px;line-height:1.7;color:var(--ht-muted);margin-bottom:12px;}
.ht-side-contact{border-top:1px solid var(--ht-line);padding-top:14px;font-size:12.5px;color:var(--ht-muted);line-height:1.7;}

/* ---------- 移动端顶部条 ---------- */
.ht-topbar{
  display:none;
  position:sticky;top:0;z-index:70;
  height:60px;
  background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.ht-topbar-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--ht-ink);}
.ht-topbar-brand .ht-brand-mark{width:28px;height:28px;flex-basis:28px;border-radius:8px;}
.ht-topbar-brand .ht-brand-mark svg{width:16px;height:16px;}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);
  background:var(--ht-surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.ht-backdrop{
  position:fixed;inset:0;background:rgba(19,35,45,.42);
  opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:55;
}
.ht-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-btn-primary{background:var(--ht-primary);color:#fff;box-shadow:0 6px 16px rgba(15,110,156,.18);}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);}
.ht-btn-primary:active{transform:none;}
.ht-btn-accent{background:var(--ht-accent);color:#fff;box-shadow:0 8px 20px rgba(238,138,43,.24);}
.ht-btn-accent:hover{background:#d97a1c;color:#fff;transform:translateY(-1px);}
.ht-btn-accent:active{transform:none;}
.ht-btn-ghost{background:var(--ht-surface);border-color:var(--ht-primary);color:var(--ht-primary);}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);border-color:var(--ht-primary-deep);}
.ht-btn-text{height:auto;padding:0;background:none;border:none;color:var(--ht-primary);font-weight:600;}
.ht-btn-text::after{content:"→";margin-left:6px;transition:transform .18s ease;display:inline-block;}
.ht-btn-text:hover::after{transform:translateX(4px);}
.ht-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
.ht-btn:disabled,.ht-btn.is-disabled{opacity:.5;box-shadow:none;cursor:not-allowed;}
.ht-btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页头 ---------- */
.ht-pagehead{
  background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  padding:22px 0 38px;
}
.ht-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ht-muted);margin-bottom:18px;flex-wrap:wrap;}
.ht-crumb a{color:var(--ht-muted);}
.ht-crumb a:hover{color:var(--ht-primary);}
.ht-crumb .current{color:var(--ht-body);}
.ht-pagehead h1{max-width:820px;}
.ht-pagehead-lead{max-width:760px;margin-top:14px;font-size:16.5px;color:var(--ht-body);}
.ht-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.ht-chips li{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--ht-primary-soft);color:var(--ht-primary);
  font-size:13.5px;font-weight:500;
}
.ht-chips li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--ht-primary);}

/* ---------- 板块 ---------- */
.ht-section{padding:76px 0;}
.ht-section-tight{padding-top:56px;}
.ht-section-alt{background:var(--ht-surface);border-top:1px solid var(--ht-line);border-bottom:1px solid var(--ht-line);}
.ht-sec-head{max-width:760px;margin-bottom:36px;}
.ht-sec-head h2{margin-bottom:12px;}
.ht-sec-head p{font-size:16px;color:var(--ht-body);}
.ht-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:1.4px;
  color:var(--ht-primary);background:var(--ht-primary-soft);
  padding:4px 10px;border-radius:6px;margin-bottom:16px;
}

/* ---------- Z 型图文 ---------- */
.ht-zrow{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:64px 0;border-bottom:1px solid var(--ht-line);
}
.ht-zrow:first-child{padding-top:0;}
.ht-zrow:last-child{border-bottom:none;padding-bottom:0;}
.ht-zrow.is-reverse .ht-figure{order:2;}
.ht-figure{display:flex;flex-direction:column;gap:12px;}
.ht-media{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;
  background:var(--ht-primary-soft);box-shadow:var(--ht-shadow-1);
}
.ht-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.ht-media:hover img{transform:scale(1.03);}
.ht-figcaption{font-size:13px;color:var(--ht-muted);text-align:center;}
.ht-zbody h2{margin-bottom:16px;}
.ht-zbody p{font-size:16px;margin-bottom:16px;max-width:560px;}
.ht-zbody p:last-child{margin-bottom:0;}
.ht-points{margin:20px 0 0;display:flex;flex-direction:column;gap:10px;}
.ht-points li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ht-body);
}
.ht-points li::before{
  content:"";position:absolute;left:2px;top:.65em;
  width:8px;height:8px;border-radius:50%;background:var(--ht-primary-soft);
  border:2px solid var(--ht-primary);
}

/* ---------- 规格小表 ---------- */
.ht-spec-wrap{margin-top:22px;border:1px solid var(--ht-line);border-radius:var(--ht-r);overflow:hidden;background:var(--ht-surface);}
.ht-spec{width:100%;border-collapse:collapse;}
.ht-spec th,.ht-spec td{padding:12px 16px;text-align:left;font-size:14.5px;}
.ht-spec thead th{background:var(--ht-primary-soft);color:var(--ht-primary);font-size:13px;font-weight:600;letter-spacing:.4px;}
.ht-spec tbody tr+tr td{border-top:1px solid var(--ht-line);}
.ht-spec tbody td:first-child{color:var(--ht-ink);font-weight:600;width:38%;}

/* ---------- 步骤 ---------- */
.ht-steps{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;}
.ht-step{
  flex:1 1 140px;min-width:130px;
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:16px 18px;position:relative;
}
.ht-step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:50%;background:var(--ht-primary);color:#fff;
  font-size:12.5px;font-weight:600;margin-bottom:10px;
}
.ht-step h3{font-size:15.5px;margin-bottom:4px;}
.ht-step p{font-size:13.5px;color:var(--ht-muted);line-height:1.7;margin:0;}

/* ---------- 检查清单卡片 ---------- */
.ht-grid.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.ht-grid.grid-margin-x>.cell{padding-left:10px;padding-right:10px;}
.ht-grid>.cell{margin-bottom:20px;}
.ht-check-card{
  height:100%;background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-r);padding:24px;box-shadow:var(--ht-shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-check-card:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#c7deea;}
.ht-check-num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--ht-primary);
  background:var(--ht-primary-soft);border-radius:6px;padding:3px 9px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.ht-check-card h3{margin-bottom:8px;font-size:17px;}
.ht-check-card p{font-size:14.5px;color:var(--ht-body);margin:0;}

/* ---------- FAQ ---------- */
.ht-faq{max-width:820px;margin:0 auto;}
.ht-faq-item{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;
}
.ht-faq-item[open]{border-color:#c7deea;}
.ht-faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--ht-ink);
}
.ht-faq-item summary::-webkit-details-marker{display:none;}
.ht-faq-item summary::after{
  content:"+";flex:0 0 auto;color:var(--ht-primary);font-size:20px;font-weight:500;line-height:1.3;
}
.ht-faq-item[open] summary::after{content:"−";}
.ht-faq-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--ht-body);}
.ht-faq-body p{margin:0;padding-top:12px;border-top:1px solid var(--ht-line);}

/* ---------- CTA 带 ---------- */
.ht-cta{
  background:var(--ht-primary-soft);
  border-radius:var(--ht-r-lg);
  padding:48px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.ht-cta-text{flex:1 1 420px;max-width:620px;}
.ht-cta-text h2{margin-bottom:12px;}
.ht-cta-text p{font-size:16px;margin-bottom:18px;}
.ht-cta-notes{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--ht-muted);}
.ht-cta-notes span{display:inline-flex;align-items:center;gap:6px;}
.ht-cta-notes span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ht-primary);}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-surface);border-top:1px solid var(--ht-line);padding:56px 0 0;margin-top:auto;}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.ht-footer-brand strong{font-size:17px;color:var(--ht-ink);}
.ht-footer p{font-size:14px;color:var(--ht-body);line-height:1.8;}
.ht-footer h4{font-size:15px;margin-bottom:14px;color:var(--ht-ink);}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{font-size:14px;color:var(--ht-body);}
.ht-footer-links a:hover{color:var(--ht-primary);}
.ht-footer-bottom{
  margin-top:40px;padding:18px 0;border-top:1px solid var(--ht-line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ht-muted);
}
.ht-footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.ht-footer-bottom nav a{color:var(--ht-muted);}
.ht-footer-bottom nav a:hover{color:var(--ht-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .ht-wrap{padding:0 24px;}
  .ht-zrow{gap:36px;}
  .ht-cta{padding:40px;}
}
@media (max-width:1023px){
  .ht-app{display:block;}
  .ht-sidebar{
    position:fixed;top:0;left:0;height:100%;width:280px;flex-basis:280px;
    transform:translateX(-100%);
    transition:transform .26s ease;
    box-shadow:var(--ht-shadow-2);
  }
  .ht-sidebar.is-open{transform:none;}
  .ht-topbar{display:flex;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .ht-wrap{padding:0 16px;}
  .ht-section{padding:52px 0;}
  .ht-section-tight{padding-top:40px;}
  .ht-pagehead{padding:18px 0 30px;}
  .ht-pagehead-lead{font-size:15.5px;}
  .ht-zrow{grid-template-columns:1fr;gap:24px;padding:44px 0;}
  .ht-zrow.is-reverse .ht-figure{order:0;}
  .ht-zbody p{max-width:none;}
  .ht-cta{padding:30px 22px;border-radius:14px;}
  .ht-cta-text{flex:1 1 100%;}
  .ht-cta-actions{width:100%;}
  .ht-cta-actions .ht-btn{flex:1 1 auto;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  h2{font-size:22px;}
  .ht-btn{height:42px;font-size:14.5px;padding:0 18px;}
  .ht-btn-sm{height:38px;}
  .ht-spec th,.ht-spec td{padding:11px 12px;font-size:14px;}
  .ht-spec tbody td:first-child{width:42%;}
  .ht-step{flex:1 1 100%;}
  .ht-check-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06),0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08),0 18px 40px rgba(15,110,156,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--ht-bg);
  color:var(--ht-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ht-primary-deep);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
table{border-collapse:collapse;}
body.ht-no-scroll{overflow:hidden;}

/* ---------- 布局骨架 ---------- */
.ht-shell{display:flex;align-items:flex-start;min-height:100vh;}
.ht-sidebar{
  position:sticky;top:0;flex:0 0 236px;width:236px;height:100vh;overflow-y:auto;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:22px;z-index:80;
}
.ht-main-wrap{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh;}
.ht-content{flex:1 1 auto;min-width:0;}
.ht-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 侧栏品牌 ---------- */
.ht-brand{display:flex;align-items:center;gap:10px;padding:0 6px;}
.ht-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:var(--ht-primary-soft);
  color:var(--ht-primary);display:grid;place-items:center;
}
.ht-brand-mark svg{width:21px;height:21px;}
.ht-brand-text strong{display:block;font-size:17px;line-height:1.3;color:var(--ht-ink);font-weight:700;letter-spacing:.3px;}
.ht-brand-text span{display:block;font-size:12px;color:var(--ht-muted);letter-spacing:.4px;}

/* ---------- 导航 ---------- */
.ht-nav{display:flex;flex-direction:column;gap:4px;}
.ht-nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ht-body);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{
  width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary);transform:translateX(2px);}
.ht-nav-link:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;}
.ht-nav-link.is-active{background:var(--ht-primary-soft);color:var(--ht-primary);font-weight:600;}
.ht-nav-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--ht-primary);
}
.ht-side-card{
  margin-top:auto;border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:16px;background:var(--ht-primary-soft);
}
.ht-side-card h3{font-size:15px;font-weight:600;color:var(--ht-ink);margin-bottom:6px;}
.ht-side-card p{font-size:13px;line-height:1.7;color:var(--ht-body);margin-bottom:12px;}
.ht-side-card .ht-btn{width:100%;height:42px;font-size:14px;}
.ht-side-contact{font-size:13px;line-height:2;color:var(--ht-muted);}
.ht-side-contact strong{display:block;color:var(--ht-ink);font-size:13px;font-weight:600;margin-bottom:4px;}
.ht-drawer-close{display:none;}

/* ---------- 移动端顶栏 ---------- */
.ht-topbar{
  display:none;position:sticky;top:0;z-index:90;height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--ht-line);
}
.ht-topbar-brand{display:flex;align-items:center;gap:9px;}
.ht-topbar-brand .ht-brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:9px;}
.ht-topbar-brand .ht-brand-mark svg{width:18px;height:18px;}
.ht-topbar-brand strong{font-size:16px;color:var(--ht-ink);font-weight:700;}
.ht-burger{
  width:44px;height:44px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--ht-line);background:#fff;color:var(--ht-primary);
}
.ht-burger:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;}
.ht-burger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}
.ht-scrim{
  position:fixed;inset:0;background:rgba(19,35,45,.42);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:75;
}
.ht-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.ht-page-head{
  background:var(--ht-surface);border-bottom:1px solid var(--ht-line);
  padding:26px 0 34px;margin-bottom:0;
}
.ht-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ht-muted);margin-bottom:16px;}
.ht-crumbs a{color:var(--ht-muted);}
.ht-crumbs a:hover{color:var(--ht-primary);}
.ht-crumbs .ht-sep{color:#C3CFD8;}
.ht-crumbs .is-current{color:var(--ht-body);}
.ht-page-title{
  font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:700;color:var(--ht-ink);letter-spacing:-.3px;
  max-width:820px;
}
.ht-lead{max-width:780px;margin-top:14px;font-size:16px;color:var(--ht-body);}
.ht-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.ht-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  padding:6px 13px;border-radius:999px;background:var(--ht-primary-soft);color:var(--ht-primary-deep);
}
.ht-chip.is-accent{background:var(--ht-accent-soft);color:#B4600F;}

/* ---------- 板块 ---------- */
.ht-section{padding:76px 0;}
.ht-section--surface{background:var(--ht-surface);border-top:1px solid var(--ht-line);border-bottom:1px solid var(--ht-line);}
.ht-section--tight{padding:56px 0;}
.ht-section-head{max-width:780px;margin-bottom:34px;}
.ht-eyebrow{font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--ht-primary);margin-bottom:10px;}
.ht-h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--ht-ink);letter-spacing:-.2px;}
.ht-sub{margin-top:12px;font-size:15.5px;color:var(--ht-body);}
.ht-paragraph{font-size:15.5px;line-height:1.8;color:var(--ht-body);}
.ht-paragraph + .ht-paragraph{margin-top:1em;}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border-radius:10px;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-btn-primary{background:var(--ht-primary);color:#fff;}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-shadow-2);}
.ht-btn-primary:active{transform:none;box-shadow:none;}
.ht-btn-accent{background:var(--ht-accent);color:#fff;}
.ht-btn-accent:hover{background:#D67718;color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(238,138,43,.28);}
.ht-btn-accent:active{transform:none;box-shadow:none;}
.ht-btn-ghost{background:#fff;border:1px solid var(--ht-primary);color:var(--ht-primary);}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);}
.ht-btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--ht-primary);font-size:15px;font-weight:600;}
.ht-btn-text svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.ht-btn-text:hover svg{transform:translateX(4px);}
.ht-btn:focus-visible,.ht-btn-text:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;pointer-events:none;box-shadow:none;}

/* ---------- 徽章 ---------- */
.ht-badge{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:4px;
  background:var(--ht-primary-soft);color:var(--ht-primary);
}
.ht-badge-rec{background:var(--ht-accent);color:#fff;}
.ht-badge-outline{background:transparent;border:1px solid var(--ht-primary);color:var(--ht-primary);}

/* ---------- 图文块 ---------- */
.ht-figure{margin:0;}
.ht-figure-frame{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;border:1px solid var(--ht-line);
  background:var(--ht-primary-soft);aspect-ratio:16/9;box-shadow:var(--ht-shadow-1);
}
.ht-figure-frame img{width:100%;height:100%;object-fit:cover;}
.ht-figure figcaption{margin-top:10px;font-size:13px;color:var(--ht-muted);}
.ht-split-text{padding-left:8px;}
.ht-grid-gap{margin-left:-14px;margin-right:-14px;}
.ht-grid-gap > .cell{padding-left:14px;padding-right:14px;}

/* ---------- 分段切换 ---------- */
.ht-segment-wrap{margin-bottom:26px;}
.ht-segment{
  display:inline-flex;gap:6px;padding:6px;background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:999px;box-shadow:var(--ht-shadow-1);flex-wrap:wrap;
}
.ht-seg-btn{
  height:40px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ht-body);
  transition:background .18s ease,color .18s ease;
}
.ht-seg-btn:hover{color:var(--ht-primary);background:var(--ht-primary-soft);}
.ht-seg-btn.is-active{background:var(--ht-primary);color:#fff;}
.ht-seg-btn:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;}

/* ---------- 方案卡 ---------- */
.ht-plan-panel{display:none;}
.ht-plan-panel.is-active{display:block;animation:htFade .26s ease;}
@keyframes htFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.ht-plan-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);
  box-shadow:var(--ht-shadow-1);padding:32px;
}
.ht-plan-card:hover{box-shadow:var(--ht-shadow-2);border-color:#CBE2EE;}
.ht-plan-card h3{font-size:20px;font-weight:600;color:var(--ht-ink);margin:12px 0 10px;}
.ht-plan-card .ht-plan-desc{font-size:15px;color:var(--ht-body);max-width:640px;}
.ht-list{margin-top:18px;}
.ht-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ht-body);margin-top:10px;}
.ht-list li::before{
  content:"✓";position:absolute;left:0;top:0;font-size:13px;font-weight:700;color:var(--ht-primary);line-height:1.9;
}
.ht-plan-side{
  background:var(--ht-primary-soft);border-radius:var(--ht-r);padding:22px;height:100%;
  display:flex;flex-direction:column;gap:14px;
}
.ht-plan-price{display:flex;flex-direction:column;gap:4px;}
.ht-price-label{font-size:13px;color:var(--ht-muted);}
.ht-price-value{font-size:17px;font-weight:700;color:var(--ht-ink);font-variant-numeric:tabular-nums;line-height:1.5;}
.ht-plan-tags{display:flex;flex-wrap:wrap;gap:8px;}
.ht-plan-side .ht-btn{width:100%;}
.ht-plan-note{font-size:13px;color:var(--ht-muted);line-height:1.7;}

/* ---------- 权益要点卡 ---------- */
.ht-benefit{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  padding:24px;height:100%;box-shadow:var(--ht-shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ht-benefit:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#CBE2EE;}
.ht-benefit-icon{
  width:42px;height:42px;border-radius:11px;background:var(--ht-primary-soft);color:var(--ht-primary);
  display:grid;place-items:center;margin-bottom:16px;
}
.ht-benefit-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.ht-benefit h3{font-size:18px;font-weight:600;color:var(--ht-ink);margin-bottom:8px;}
.ht-benefit p{font-size:14.5px;line-height:1.8;color:var(--ht-body);}

/* ---------- 时间线 ---------- */
.ht-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.ht-step{position:relative;padding-right:28px;}
.ht-step::after{
  content:"";position:absolute;left:38px;right:0;top:18px;height:1px;background:var(--ht-line);
}
.ht-step:last-child{padding-right:0;}
.ht-step:last-child::after{display:none;}
.ht-step-dot{
  position:relative;z-index:2;width:36px;height:36px;border-radius:50%;background:var(--ht-primary);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;box-shadow:0 6px 16px rgba(15,110,156,.24);
}
.ht-step h3{font-size:17px;font-weight:600;color:var(--ht-ink);margin:16px 0 8px;}
.ht-step p{font-size:14.5px;line-height:1.8;color:var(--ht-body);}

/* ---------- 对比表 ---------- */
.ht-table-wrap{
  margin-top:8px;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  overflow-x:auto;box-shadow:var(--ht-shadow-1);
}
.ht-table{width:100%;min-width:720px;border-collapse:collapse;}
.ht-table th{
  background:var(--ht-primary-soft);color:var(--ht-ink);font-size:14px;font-weight:600;
  padding:15px 18px;text-align:left;border-bottom:1px solid var(--ht-line);white-space:nowrap;
}
.ht-table td{
  padding:15px 18px;font-size:14.5px;color:var(--ht-body);border-bottom:1px solid var(--ht-line);
}
.ht-table tbody tr:nth-child(even){background:#FAFCFD;}
.ht-table tbody tr:last-child td{border-bottom:0;}
.ht-table th:first-child,.ht-table td:first-child{color:var(--ht-ink);font-weight:500;}
.ht-table .ht-col-rec{background:var(--ht-accent-soft);}
.ht-table th.ht-col-rec{background:#FBE6CE;color:#8C4A0C;}
.ht-table tbody tr:nth-child(even) .ht-col-rec{background:#FCEDDC;}
.ht-th-rec{display:flex;align-items:center;gap:8px;}
.ht-table-foot{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--ht-muted);
}
.ht-mobile-plans{display:none;}

/* ---------- FAQ ---------- */
.ht-faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.ht-faq-item{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);
  transition:border-color .18s ease;
}
.ht-faq-item.is-open{border-color:#BBD9E7;}
.ht-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ht-ink);line-height:1.6;
}
.ht-faq-q:focus-visible{outline:3px solid rgba(15,110,156,.3);outline-offset:2px;border-radius:var(--ht-r);}
.ht-faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.ht-faq-icon::before,
.ht-faq-icon::after{
  content:"";position:absolute;background:var(--ht-primary);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.ht-faq-icon::before{left:9px;top:3px;width:2px;height:14px;}
.ht-faq-icon::after{top:9px;left:3px;height:2px;width:14px;}
.ht-faq-item.is-open .ht-faq-icon::before{transform:scaleY(0);opacity:0;}
.ht-faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.ht-faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ht-body);}

/* ---------- CTA 带 ---------- */
.ht-cta{
  position:relative;border-radius:var(--ht-r-lg);padding:48px;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(231,242,248,.97) 0%,rgba(231,242,248,.92) 55%,rgba(231,242,248,.78) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;border:1px solid #D5E7F0;
}
.ht-cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--ht-ink);max-width:640px;}
.ht-cta p{margin-top:12px;font-size:15.5px;color:var(--ht-body);max-width:620px;}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.ht-cta-notes{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;}
.ht-cta-notes span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ht-body);}
.ht-cta-notes svg{width:16px;height:16px;fill:none;stroke:var(--ht-primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 页脚 ---------- */
.ht-footer{
  background:var(--ht-surface);border-top:1px solid var(--ht-line);padding-top:56px;margin-top:auto;
}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.ht-footer-brand .ht-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
.ht-footer-brand .ht-brand-mark svg{width:19px;height:19px;}
.ht-footer-brand strong{font-size:17px;font-weight:700;color:var(--ht-ink);}
.ht-footer h4{font-size:15px;font-weight:600;color:var(--ht-ink);margin-bottom:14px;}
.ht-footer p{font-size:14px;line-height:1.9;color:var(--ht-body);}
.ht-footer p + p{margin-top:6px;}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{font-size:14px;color:var(--ht-body);}
.ht-footer-links a:hover{color:var(--ht-primary);}
.ht-footer-bottom{
  margin-top:44px;border-top:1px solid var(--ht-line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ht-muted);
}
.ht-footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.ht-footer-bottom nav a{font-size:13px;color:var(--ht-muted);}
.ht-footer-bottom nav a:hover{color:var(--ht-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .ht-wrap{padding:0 28px;}
}
@media (max-width:1023px){
  .ht-sidebar{
    position:fixed;top:0;left:0;height:100vh;width:280px;flex:0 0 280px;
    transform:translateX(-104%);transition:transform .26s ease;
    box-shadow:0 24px 60px rgba(19,35,45,.18);
  }
  .ht-sidebar.is-open{transform:none;}
  .ht-drawer-close{
    display:grid;place-items:center;position:absolute;top:18px;right:14px;width:38px;height:38px;
    border-radius:10px;border:1px solid var(--ht-line);background:#fff;color:var(--ht-primary);
  }
  .ht-drawer-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}
  .ht-topbar{display:flex;}
  .ht-section{padding:56px 0;}
  .ht-section--tight{padding:46px 0;}
  .ht-plan-card{padding:26px;}
  .ht-plan-side{margin-top:22px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .ht-page-head{padding:22px 0 28px;}
}
@media (max-width:767px){
  .ht-wrap{padding:0 16px;}
  .ht-section{padding:44px 0;}
  .ht-section--tight{padding:38px 0;}
  .ht-timeline{grid-template-columns:1fr;gap:0;}
  .ht-step{padding-right:0;padding-left:52px;padding-bottom:26px;}
  .ht-step:last-child{padding-bottom:0;}
  .ht-step::after{
    left:17px;top:38px;bottom:0;width:1px;height:auto;right:auto;
  }
  .ht-step-dot{position:absolute;left:0;top:0;}
  .ht-step h3{margin-top:4px;}
  .ht-cta{padding:32px 22px;}
  .ht-cta-actions .ht-btn{width:100%;}
  .ht-footer-grid{grid-template-columns:1fr;gap:26px;}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start;}
  .ht-plan-card{padding:22px;}
  .ht-faq-q{padding:16px 18px;font-size:15.5px;}
  .ht-faq-a-inner{padding:0 18px 18px;}
  .ht-seg-btn{height:38px;padding:0 16px;font-size:14px;}
}
@media (max-width:520px){
  .ht-page-title{font-size:26px;}
  .ht-chips{gap:8px;}
  .ht-chip{font-size:12px;padding:5px 11px;}
  .ht-btn{height:42px;padding:0 18px;font-size:14.5px;width:100%;}
  .ht-cta-notes{flex-direction:column;gap:10px;}
  .ht-table-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --ht-primary:#0F6E9C;
  --ht-primary-deep:#0A5175;
  --ht-primary-soft:#E7F2F8;
  --ht-accent:#EE8A2B;
  --ht-accent-soft:#FDF1E4;
  --ht-ink:#13232D;
  --ht-body:#47596B;
  --ht-muted:#7E8E9C;
  --ht-bg:#F6F8FA;
  --ht-surface:#FFFFFF;
  --ht-line:#E3EAF0;
  --ht-r-sm:8px;
  --ht-r:12px;
  --ht-r-lg:18px;
  --ht-shadow-1:0 1px 2px rgba(19,35,45,.06),0 8px 22px rgba(19,35,45,.06);
  --ht-shadow-2:0 6px 12px rgba(19,35,45,.08),0 18px 40px rgba(15,110,156,.14);
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ht-bg);color:var(--ht-body);
  font-family:var(--ht-font);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ht-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ht-primary-deep)}
h1,h2,h3,h4{margin:0;color:var(--ht-ink);font-weight:700;line-height:1.35}
h1{font-size:clamp(28px,4vw,40px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(15,110,156,.35);outline-offset:2px;border-radius:6px}
.ht-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}
.ht-skip{position:absolute;left:-9999px;top:0;background:var(--ht-surface);padding:10px 16px;border-radius:var(--ht-r-sm);z-index:99}
.ht-skip:focus{left:16px;top:16px}

/* ===== 顶部移动条 ===== */
.ht-topbar{display:none;position:sticky;top:0;z-index:60;background:var(--ht-surface);border-bottom:1px solid var(--ht-line)}
.ht-topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 16px}
.ht-topbar-brand{display:flex;align-items:center;gap:10px;color:var(--ht-ink);font-weight:700;font-size:17px}
.ht-burger{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);color:var(--ht-ink)}
.ht-burger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.ht-overlay{display:none;position:fixed;inset:0;background:rgba(19,35,45,.45);z-index:70}
body.ht-drawer-open{overflow:hidden}
body.ht-drawer-open .ht-overlay{display:block}

/* ===== 布局骨架 ===== */
.ht-shell{display:flex;gap:32px;max-width:1200px;margin:0 auto;padding:0 32px;align-items:flex-start}
.ht-sidebar{
  flex:0 0 236px;width:236px;position:sticky;top:24px;
  max-height:calc(100vh - 48px);overflow-y:auto;
  background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:16px;padding:20px 16px;box-shadow:var(--ht-shadow-1);
}
.ht-main{flex:1 1 auto;min-width:0;padding:28px 0 72px}
.ht-main-inner{max-width:960px}
.ht-section{padding:56px 0;border-top:1px solid var(--ht-line)}
.ht-section:first-of-type{border-top:0;padding-top:32px}
.ht-section-head{max-width:760px;margin-bottom:28px}
.ht-section-head h2{margin-bottom:12px}
.ht-section-head p{color:var(--ht-body);font-size:15.5px}
.ht-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ht-primary);background:var(--ht-primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}

/* ===== 品牌与侧栏 ===== */
.ht-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;border-bottom:1px solid var(--ht-line);margin-bottom:14px}
.ht-brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--ht-primary-soft);color:var(--ht-primary);display:inline-flex;align-items:center;justify-content:center}
.ht-brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.25}
.ht-brand-text strong{color:var(--ht-ink);font-size:17px;font-weight:700;letter-spacing:.2px}
.ht-brand-text em{font-style:normal;font-size:12px;color:var(--ht-muted)}
.ht-nav{display:flex;flex-direction:column;gap:2px}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;padding:10px 10px 10px 12px;
  border-radius:var(--ht-r-sm);color:var(--ht-body);font-size:14.5px;line-height:1.5;
  border-left:3px solid transparent;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.ht-nav-link svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ht-nav-link:hover{background:var(--ht-primary-soft);color:var(--ht-primary);transform:translateX(2px)}
.ht-nav-link.is-active{background:var(--ht-primary-soft);border-left-color:var(--ht-primary);color:var(--ht-primary);font-weight:600}
.ht-side-card{margin-top:20px;padding:16px;border:1px solid var(--ht-line);border-radius:var(--ht-r);background:var(--ht-primary-soft)}
.ht-side-card-title{margin:0 0 6px;font-size:14px;font-weight:700;color:var(--ht-ink)}
.ht-side-card-text{margin:0 0 12px;font-size:13px;line-height:1.7;color:var(--ht-body)}
.ht-side-contact{margin-top:16px;padding-top:16px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-muted);line-height:1.9}
.ht-side-contact strong{display:block;color:var(--ht-ink);font-size:13.5px;margin-bottom:4px}
.ht-sidebar-close{display:none}

/* ===== 按钮 ===== */
.ht-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.ht-btn:active{transform:translateY(1px)}
.ht-btn-primary{background:var(--ht-primary);color:#fff}
.ht-btn-primary:hover{background:var(--ht-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-shadow-2)}
.ht-btn-accent{background:var(--ht-accent);color:#fff}
.ht-btn-accent:hover{background:#d9771f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(238,138,43,.28)}
.ht-btn-ghost{background:var(--ht-surface);border-color:var(--ht-primary);color:var(--ht-primary)}
.ht-btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);border-color:var(--ht-primary-deep)}
.ht-btn-text{color:var(--ht-primary);font-weight:600;padding:0;height:auto;border:0}
.ht-btn-text span{transition:transform .18s ease;display:inline-block}
.ht-btn-text:hover span{transform:translateX(4px)}
.ht-btn-block{width:100%}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;box-shadow:none;pointer-events:none}

/* ===== 徽章 / 标签 ===== */
.ht-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1;padding:5px 8px;border-radius:4px;background:var(--ht-primary-soft);color:var(--ht-primary)}
.ht-badge-accent{background:var(--ht-accent);color:#fff}
.ht-badge-line{background:transparent;border:1px solid var(--ht-primary);color:var(--ht-primary)}
.ht-chips{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:none;-ms-overflow-style:none}
.ht-chips::-webkit-scrollbar{display:none}
.ht-chip{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--ht-line);background:var(--ht-surface);color:var(--ht-body);font-size:14px;white-space:nowrap;transition:all .18s ease}
.ht-chip:hover{border-color:var(--ht-primary);color:var(--ht-primary);background:var(--ht-primary-soft)}

/* ===== 页头 ===== */
.ht-page-head{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);padding:28px 32px;box-shadow:var(--ht-shadow-1)}
.ht-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ht-muted);margin-bottom:14px}
.ht-breadcrumb a{color:var(--ht-muted)}
.ht-breadcrumb a:hover{color:var(--ht-primary)}
.ht-breadcrumb span[aria-current]{color:var(--ht-body)}
.ht-page-head h1{margin-bottom:14px}
.ht-lead{max-width:780px;font-size:16px;line-height:1.85;color:var(--ht-body)}
.ht-head-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.ht-head-chips .ht-badge{background:var(--ht-primary-soft);padding:7px 12px;border-radius:999px;font-weight:500;font-size:13px}

/* ===== 卡片 ===== */
.ht-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);padding:24px;box-shadow:var(--ht-shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.ht-card:hover{transform:translateY(-3px);box-shadow:var(--ht-shadow-2);border-color:#C7DFEC}
.ht-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.ht-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}

/* ===== 搜索与快捷入口 ===== */
.ht-search-row{display:flex;align-items:center;gap:12px;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);padding:12px;box-shadow:var(--ht-shadow-1)}
.ht-search-row input[type="search"]{flex:1 1 auto;min-width:0;height:44px;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);padding:0 14px;background:#FBFDFE;color:var(--ht-ink)}
.ht-search-row input[type="search"]::placeholder{color:var(--ht-muted)}
.ht-search-row input[type="search"]:focus{border-color:var(--ht-primary);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(15,110,156,.14)}
.ht-search-note{margin-top:10px;font-size:13px;color:var(--ht-muted)}
.ht-quick{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:24px;align-items:start}
.ht-quick-list{display:flex;flex-direction:column;gap:10px}
.ht-quick-item{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--ht-line);border-radius:var(--ht-r);background:var(--ht-surface);transition:all .18s ease}
.ht-quick-item:hover{border-color:#C7DFEC;box-shadow:var(--ht-shadow-1);transform:translateY(-2px)}
.ht-quick-item .ht-quick-idx{flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--ht-primary-soft);color:var(--ht-primary);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:4px}
.ht-quick-item strong{display:block;color:var(--ht-ink);font-size:15px;font-weight:600}
.ht-quick-item em{font-style:normal;font-size:13px;color:var(--ht-muted);display:block;margin-top:2px}
.ht-figure{margin:0;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);overflow:hidden;box-shadow:var(--ht-shadow-1)}
.ht-figure-img{position:relative;aspect-ratio:16/9;background:var(--ht-primary-soft);overflow:hidden}
.ht-figure-img img{width:100%;height:100%;object-fit:cover}
.ht-figure figcaption{padding:12px 16px;font-size:13px;color:var(--ht-muted);border-top:1px solid var(--ht-line)}

/* ===== FAQ 手风琴 ===== */
.ht-acc-group{margin-bottom:32px}
.ht-acc-group:last-child{margin-bottom:0}
.ht-acc-group-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ht-ink);margin-bottom:14px}
.ht-acc-group-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--ht-primary)}
.ht-acc{display:flex;flex-direction:column;gap:12px}
.ht-acc-item{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);overflow:hidden;transition:border-color .18s ease}
.ht-acc-item:hover{border-color:#C7DFEC}
.ht-acc-item.is-open{border-color:var(--ht-primary)}
.ht-acc-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ht-ink);line-height:1.6;min-height:44px}
.ht-acc-q:hover{color:var(--ht-primary)}
.ht-acc-icon{position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:4px}
.ht-acc-icon::before,.ht-acc-icon::after{content:"";position:absolute;background:var(--ht-primary);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.ht-acc-icon::before{left:0;top:8px;width:18px;height:2px}
.ht-acc-icon::after{left:8px;top:0;width:2px;height:18px}
.ht-acc-item.is-open .ht-acc-icon::after{transform:scaleY(0);opacity:0}
.ht-acc-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.ht-acc-a-inner{padding:0 20px 20px;border-top:1px solid transparent}
.ht-acc-item.is-open .ht-acc-a-inner{border-top-color:var(--ht-line);padding-top:14px}
.ht-acc-a-inner p{font-size:15px;line-height:1.8;color:var(--ht-body);margin:0}

/* ===== 条款卡片列表 ===== */
.ht-doc-list{display:flex;flex-direction:column;gap:14px}
.ht-doc-item{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r);transition:all .18s ease}
.ht-doc-item:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-1);border-color:#C7DFEC}
.ht-doc-main h3{margin-bottom:6px;font-size:16.5px}
.ht-doc-main p{margin:0;font-size:14px;color:var(--ht-body);line-height:1.75}
.ht-doc-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.ht-doc-meta time{font-size:13px;color:var(--ht-muted);white-space:nowrap}

/* ===== 表单 ===== */
.ht-form-card{padding:28px 32px}
.ht-field{margin-bottom:18px}
.ht-field label{display:block;font-size:13px;color:var(--ht-muted);margin-bottom:8px;font-weight:500}
.ht-field .ht-req{color:#B23A3A}
.ht-field input,.ht-field select,.ht-field textarea{
  width:100%;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);
  background:#FBFDFE;color:var(--ht-ink);padding:0 14px;height:44px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.ht-field textarea{min-height:132px;padding:12px 14px;line-height:1.75;resize:vertical;height:auto}
.ht-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ht-primary) 50%),linear-gradient(135deg,var(--ht-primary) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.ht-field input:focus,.ht-field select:focus,.ht-field textarea:focus{outline:none;border-color:var(--ht-primary);background:#fff;box-shadow:0 0 0 3px rgba(15,110,156,.14)}
.ht-field .ht-error{display:none;margin-top:6px;font-size:12.5px;color:#B23A3A}
.ht-field.has-error input,.ht-field.has-error select,.ht-field.has-error textarea{border-color:#C25B5B;background:#FFF8F8}
.ht-field.has-error .ht-error{display:block}
.ht-form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px}
.ht-form-tip{font-size:13px;color:var(--ht-muted);line-height:1.7;max-width:520px}
.ht-form-done{display:none;margin-top:18px;padding:14px 16px;border-radius:var(--ht-r-sm);background:var(--ht-primary-soft);color:var(--ht-primary-deep);font-size:14px;line-height:1.7}
.ht-form-done.is-visible{display:block}

/* ===== CTA 带 ===== */
.ht-cta{
  position:relative;border:1px solid #CFE3EE;border-radius:var(--ht-r-lg);
  padding:48px;overflow:hidden;
  background:linear-gradient(rgba(231,242,248,.92),rgba(231,242,248,.94)),url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.ht-cta h2{margin-bottom:12px;max-width:640px}
.ht-cta p{max-width:660px;color:var(--ht-body)}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.ht-cta-notes{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:24px;font-size:13px;color:var(--ht-body)}
.ht-cta-notes li{display:flex;align-items:center;gap:8px}
.ht-cta-notes li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ht-accent)}
.ht-back-top{margin-top:22px;display:inline-flex}

/* ===== 页脚 ===== */
.ht-footer{background:var(--ht-surface);border-top:1px solid var(--ht-line);margin-top:24px}
.ht-wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 32px}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ht-footer-brand strong{color:var(--ht-ink);font-size:17px}
.ht-footer p{font-size:14px;color:var(--ht-body);line-height:1.8}
.ht-footer h4{font-size:15px;margin-bottom:14px;color:var(--ht-ink)}
.ht-footer-links{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:14px;color:var(--ht-body)}
.ht-footer-links a:hover{color:var(--ht-primary)}
.ht-footer-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;padding:18px 0 28px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-muted)}
.ht-footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.ht-footer-bottom nav a{font-size:13px;color:var(--ht-muted)}
.ht-footer-bottom nav a:hover{color:var(--ht-primary)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .ht-topbar{display:block}
  .ht-sidebar{
    position:fixed;top:0;left:0;bottom:0;width:288px;max-width:86vw;height:100vh;max-height:none;
    border-radius:0;border:0;border-right:1px solid var(--ht-line);
    transform:translateX(-104%);transition:transform .26s ease;z-index:80;padding:18px 16px 28px;
  }
  body.ht-drawer-open .ht-sidebar{transform:translateX(0)}
  .ht-sidebar-close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--ht-line);border-radius:var(--ht-r-sm);color:var(--ht-ink);margin-left:auto}
  .ht-brand{padding-right:0}
  .ht-shell{padding:0 24px;gap:0}
  .ht-main{padding:20px 0 56px}
  .ht-section{padding:44px 0}
  .ht-quick{grid-template-columns:1fr}
  .ht-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ht-cta{padding:36px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px}
}
@media (max-width:767px){
  .ht-shell{padding:0 16px}
  .ht-wrap{padding:0 16px}
  .ht-page-head{padding:22px 20px}
  .ht-section{padding:36px 0}
  .ht-grid-2,.ht-grid-3{grid-template-columns:1fr}
  .ht-doc-item{flex-direction:column;align-items:flex-start;gap:12px;padding:18px}
  .ht-doc-meta{flex-direction:row;align-items:center;gap:12px}
  .ht-form-card{padding:22px 20px}
  .ht-form-actions{flex-direction:column;align-items:stretch}
  .ht-form-actions .ht-btn{width:100%}
  .ht-cta{padding:28px 20px}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-search-row{flex-direction:column;align-items:stretch}
  .ht-search-row .ht-btn{width:100%}
  .ht-footer-grid{grid-template-columns:1fr;padding:36px 0 24px}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start}
  .ht-btn{height:42px}
  .ht-acc-q{padding:16px}
  .ht-acc-a-inner{padding:0 16px 16px}
}
@media (min-width:1440px){
  .ht-shell{padding:0 40px}
}