/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --c-primary:#0E6E8C;--c-primary-hover:#0A5871;--c-primary-soft:#E6F2F6;
  --c-accent:#F0803C;--c-ink:#12313A;--c-text:#2C434C;--c-muted:#6B7F87;
  --c-line:#E2E9EC;--c-bg:#F6F8F9;--c-surface:#FFFFFF;--c-ok:#2E9E76;
  --c-warn:#C9871F;--c-dark:#0B2A33;
  --r-card:14px;--r-img:12px;--r-btn:10px;--r-pill:999px;
  --sh-card:0 1px 2px rgba(11,42,51,.04),0 8px 24px rgba(11,42,51,.06);
  --sh-hover:0 14px 32px rgba(11,42,51,.10);
  --container:1200px;--gap:24px;--sec:96px;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:system-ui,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:0}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(14,110,140,.30);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3}
h1{font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:-.5px;line-height:1.25}
h2{font-size:clamp(24px,2.4vw,30px);font-weight:700}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section.alt{background:var(--c-surface)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-desc{margin-top:14px;color:var(--c-muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);font-weight:600;font-size:15px;
  border:1px solid transparent;transition:all .18s ease;cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,110,140,.22)}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 10px 24px rgba(14,110,140,.28)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-hover)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#d96c2c;color:#fff}
.btn-block{width:100%}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.text-link{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform .18s ease}
.text-link:hover::after{transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 12px;line-height:1.6}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(11,42,51,.02)}
.brand-row{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;font-size:17px;white-space:nowrap}
.brand:hover{text-decoration:none;color:var(--c-primary-hover)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:none}
.brand-meta{display:flex;align-items:center;gap:12px;margin-left:6px}
.brand-note{font-size:13px;color:var(--c-muted)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-text);display:flex;align-items:center;justify-content:center;transition:all .18s ease}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.menu-btn{display:none}
.menu-btn span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;margin:3px 0}
.channel-row{display:flex;align-items:center;gap:18px;height:48px;border-top:1px solid var(--c-line)}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{padding:8px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text);font-weight:500;white-space:nowrap}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary-hover);text-decoration:none}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.search-inline{display:flex;align-items:center;flex:1;max-width:360px;min-width:180px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-bg);padding:2px 4px 2px 14px}
.search-inline input{flex:1;border:0;background:transparent;height:34px;font-size:14px;color:var(--c-text);outline:none}
.search-inline input::placeholder{color:var(--c-muted)}
.search-inline button{width:32px;height:32px;border:0;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:background .18s ease}
.search-inline button:hover{background:var(--c-primary-hover)}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow:auto;scrollbar-width:none}
.hot-tags::-webkit-scrollbar{display:none}
.hot-label{font-size:12px;color:var(--c-muted);white-space:nowrap}
.hot-tag{font-size:13px;color:var(--c-text);background:var(--c-bg);border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:4px 12px;white-space:nowrap}
.hot-tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,51,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(11,42,51,.16)}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-weight:700;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff}
.drawer-nav{display:grid;gap:8px;margin-bottom:20px}
.drawer-nav a{padding:12px 14px;border:1px solid var(--c-line);border-radius:10px;color:var(--c-ink);font-weight:600;font-size:15px}
.drawer-nav a.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary)}
.drawer-block{margin-bottom:20px}
.drawer-block h4{font-size:14px;color:var(--c-muted);font-weight:600;margin-bottom:10px}
.drawer .search-inline{max-width:none;margin:0;flex:none}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);padding:72px 0 80px;border-bottom:1px solid var(--c-line)}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);align-items:center}
.hero-copy{grid-column:span 6}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px}
.hero-title{margin-bottom:16px}
.hero-sub{font-size:17px;color:var(--c-text);max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hero-trust{font-size:14px;color:var(--c-muted);display:flex;align-items:center;gap:10px}
.hero-trust::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-ok);flex:none}
.hero-visual{grid-column:span 6;position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;box-shadow:var(--sh-card)}
.hero-badge{position:absolute;left:20px;bottom:-22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--sh-hover);min-width:200px}
.hero-badge b{display:block;font-size:26px;line-height:1;color:var(--c-primary);letter-spacing:-.5px}
.hero-badge span{font-size:13px;color:var(--c-muted)}

/* ---------- matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.m-card{padding:30px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}
.m-card.big{grid-column:span 7}
.m-card.small{grid-column:span 5}
.m-num{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:1px}
.m-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.m-card h3{margin-top:2px}
.m-card p{color:var(--c-muted);font-size:15px;margin:0}
.m-card .text-link{margin-top:auto;padding-top:8px}
.m-card.big{background:linear-gradient(180deg,#fff 0%,#FBFDFE 100%)}

/* ---------- stats ---------- */
.stats-wrap{background:var(--c-primary-soft);border-radius:18px;padding:38px 32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 24px;border-left:1px solid rgba(14,110,140,.18)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(30px,3.2vw,40px);font-weight:700;color:var(--c-primary);letter-spacing:-1px;line-height:1}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;letter-spacing:0}
.stat-label{margin-top:10px;font-size:14px;color:var(--c-text)}

/* ---------- heat ---------- */
.heat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);align-items:start}
.heat-panel{grid-column:span 7;padding:30px}
.heat-side{grid-column:span 5;padding:30px;background:var(--c-surface)}
.heat-item{margin-bottom:20px}
.heat-item:last-child{margin-bottom:0}
.heat-head{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}
.heat-name{color:var(--c-ink);font-weight:600}
.heat-val{color:var(--c-muted)}
.heat-bar{height:8px;border-radius:999px;background:var(--c-bg);overflow:hidden;border:1px solid var(--c-line)}
.heat-fill{height:100%;border-radius:999px;background:var(--c-primary)}
.heat-fill.acc{background:var(--c-accent)}
.heat-side ul{display:grid;gap:14px}
.heat-side li{display:flex;gap:12px;font-size:15px;color:var(--c-text)}
.heat-side li b{color:var(--c-primary);font-weight:700;flex:none}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap);align-items:start}
.news-lead{display:flex;flex-direction:column;overflow:hidden}
.news-lead-media{display:block}
.news-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-lead-body{padding:24px}
.meta-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.meta-time{font-size:13px;color:var(--c-muted)}
.news-lead-title{font-size:22px;margin-bottom:10px}
.news-lead-title a{color:var(--c-ink)}
.news-lead-title a:hover{color:var(--c-primary);text-decoration:none}
.news-lead-sum{color:var(--c-muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-list{display:grid;gap:14px}
.news-item{display:flex;gap:14px;padding:14px;align-items:center}
.news-thumb{flex:none;width:96px}
.news-thumb img{width:96px;aspect-ratio:4/3;object-fit:cover}
.news-item-body{min-width:0}
.news-item-body h3{font-size:16px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-body h3 a{color:var(--c-ink)}
.news-item-body h3 a:hover{color:var(--c-primary);text-decoration:none}
.news-item-meta{font-size:13px;color:var(--c-muted);display:flex;gap:10px;align-items:center}
.empty-state{padding:40px;text-align:center;color:var(--c-muted);background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card)}
.empty-state .btn{margin-top:16px}
.list-more{margin-top:22px;text-align:right}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.case-card{overflow:hidden}
.case-media{position:relative;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .35s ease}
.case-card:hover .case-media img{transform:scale(1.02)}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,42,51,0) 45%,rgba(11,42,51,.55) 100%)}
.case-media span{position:absolute;left:16px;bottom:14px;color:#fff;font-size:15px;font-weight:600;z-index:2}
.case-body{padding:20px 22px 22px}
.case-body p{font-size:15px;color:var(--c-muted);margin-bottom:14px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative}
.step{position:relative;padding-top:26px}
.step::before{content:"";position:absolute;top:9px;left:22px;right:-24px;height:2px;background:var(--c-line)}
.step:last-child::before{display:none}
.step-dot{position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;background:#fff;
  border:3px solid var(--c-primary);z-index:2}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-muted)}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden}
.faq-q{width:100%;background:transparent;border:0;text-align:left;padding:20px 24px;font-size:16px;
  font-weight:600;color:var(--c-ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-q .arrow{flex:none;width:22px;height:22px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .25s ease}
.faq-item.open{border-left:3px solid var(--c-primary)}
.faq-item.open .arrow{transform:rotate(180deg);background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 24px 22px;color:var(--c-muted);font-size:15px}

/* ---------- cta / form ---------- */
.cta-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:18px;
  box-shadow:var(--sh-card);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:44px}
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;height:46px;font-size:15px;color:var(--c-text);background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,110,140,.14)}
.field.error input,.field.error textarea{border-color:#C0392B}
.field-error{font-size:13px;color:#C0392B;margin-top:6px;display:none}
.field.error .field-error{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-muted)}
.consent input{width:16px;height:16px;margin-top:3px;flex:none}
.form-note{font-size:13px;color:var(--c-muted)}
.form-ok{display:none;background:#EAF7F1;border:1px solid var(--c-ok);color:#1F7355;border-radius:10px;
  padding:12px 16px;font-size:14px}
.form-ok.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#B9CDD4;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.10)}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer p{color:#9FB6BE;font-size:14px}
.site-footer a{color:#B9CDD4;font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:none}
.footer-links{display:grid;gap:10px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;font-size:17px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:#87A2AB}

/* ---------- responsive ---------- */
@media(max-width:1279px){
  :root{--gap:20px;--sec:80px}
  .container{padding:0 24px}
}
@media(max-width:1023px){
  .brand-note{display:none}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero-visual{margin-top:36px}
  .m-card.big,.m-card.small{grid-column:span 6}
  .heat-panel,.heat-side{grid-column:span 12}
  .news-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .step:nth-child(2)::before{display:none}
  .cta-wrap{grid-template-columns:1fr;padding:32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:767px){
  :root{--sec:60px}
  .channel-row{display:none}
  .icon-btn.search-desktop{display:none}
  .menu-btn{display:flex;flex-direction:column;align-items:center;justify-content:center}
  .brand{font-size:15px}
  .brand-meta{display:none}
  .hero{padding:44px 0 56px}
  .hero-visual img{aspect-ratio:16/12}
  .hero-badge{left:12px;bottom:-18px;padding:12px 16px;min-width:170px}
  .matrix{grid-template-columns:1fr}
  .m-card.big,.m-card.small{grid-column:span 1}
  .stats-wrap{grid-template-columns:1fr 1fr;gap:24px 0;padding:28px 20px}
  .stat{border-left:0;padding:0}
  .stat:nth-child(even){border-left:1px solid rgba(14,110,140,.18);padding-left:20px}
  .case-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{padding-left:0}
  .step::before{left:9px;top:22px;right:auto;bottom:-32px;width:2px;height:auto}
  .footer-grid{grid-template-columns:1fr}
  .cta-wrap{padding:24px}
  .btn{min-height:48px}
  .hero-cta .btn{width:100%}
  .list-more{text-align:left}
}
@media(max-width:479px){
  .container{padding:0 16px}
  .news-item{flex-direction:column;align-items:flex-start}
  .news-thumb,.news-thumb img{width:100%;aspect-ratio:16/9}
  .hot-tags{display:none}
}

/* roulang page: article */
:root{
  --c-primary:#0E6E8C;
  --c-primary-hover:#0A5871;
  --c-primary-soft:#E6F2F6;
  --c-accent:#F0803C;
  --c-ink:#12313A;
  --c-text:#2C434C;
  --c-muted:#6B7F87;
  --c-line:#E2E9EC;
  --c-bg:#F6F8F9;
  --c-surface:#FFFFFF;
  --c-ok:#2E9E76;
  --c-warn:#C9871F;
  --c-dark:#0B2A33;
  --radius-card:14px;
  --radius-media:12px;
  --radius-ctrl:10px;
  --shadow-card:0 1px 2px rgba(11,42,51,.04),0 8px 24px rgba(11,42,51,.06);
  --shadow-hover:0 14px 32px rgba(11,42,51,.10);
  --font:system-ui,-apple-system,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;line-height:1.3;}
h1{font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:-.5px;line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,31px);font-weight:700;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;padding-left:1.35em;}
li{margin-bottom:.45em;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(14,110,140,.32);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-ctrl);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  cursor:pointer;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,110,140,.22);}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 10px 22px rgba(10,88,113,.26);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-hover);background:var(--c-primary-soft);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:600;line-height:1.7;
}
.badge-accent{background:#FDEBE0;color:#B4551F;}
.icon-btn{
  width:38px;height:38px;border-radius:9px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text);display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#C7DEE6;}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(11,42,51,.07);}
.brand-row{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;}
.brand-meta{display:flex;align-items:center;gap:12px;flex:1 1 auto;min-width:0;}
.brand-note{font-size:13px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:4px;}
.menu-btn span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink);}
.channel-row{
  display:flex;align-items:center;gap:18px;height:48px;border-top:1px solid var(--c-line);
}
.nav-list{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.nav-link{
  padding:6px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;}
.nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft);}
.search-inline{display:flex;align-items:center;flex:1 1 auto;max-width:330px;position:relative;}
.search-inline input{
  width:100%;height:36px;border:1px solid var(--c-line);border-radius:999px;
  padding:0 40px 0 14px;background:var(--c-bg);color:var(--c-text);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-inline input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(14,110,140,.14);}
.search-inline button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:999px;border:0;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.search-inline button:hover{background:var(--c-primary-hover);}
.hot-tags{display:flex;align-items:center;gap:8px;flex:0 1 auto;overflow:hidden;}
.hot-label{font-size:12px;color:var(--c-muted);white-space:nowrap;}
.hot-tag{
  font-size:13px;padding:3px 10px;border-radius:999px;background:#fff;border:1px solid var(--c-line);
  color:var(--c-muted);white-space:nowrap;
}
.hot-tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,51,.4);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:84vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .26s ease;padding:20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(11,42,51,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer h4{font-size:14px;color:var(--c-muted);font-weight:600;margin:18px 0 8px;letter-spacing:.5px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{padding:10px 12px;border-radius:9px;color:var(--c-text);font-weight:500;}
.drawer nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;}
.drawer .close-btn{position:absolute;top:14px;right:14px;}
.drawer .btn{width:100%;margin-top:14px;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
/* breadcrumb */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:12px 0;flex-wrap:wrap;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#B9C9CF;}
.crumbs .current{color:var(--c-ink);font-weight:500;max-width:52ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
/* article layout */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:36px 0 72px;align-items:start;}
.article-main{min-width:0;}
.article-head{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:30px 34px;margin-bottom:22px;}
.article-head h1{font-size:clamp(27px,3.2vw,38px);margin-bottom:16px;}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4D3D8;display:inline-block;}
.article-body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:34px;max-width:100%;
}
.article-body .prose{max-width:760px;}
.article-body .prose h2{margin:34px 0 14px;font-size:26px;}
.article-body .prose h3{margin:26px 0 10px;}
.article-body .prose ul,.article-body .prose ol{padding-left:22px;}
.article-body .prose li::marker{color:var(--c-primary);}
.article-body .prose blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--c-primary);background:var(--c-primary-soft);
  border-radius:0 var(--radius-ctrl) var(--radius-ctrl) 0;color:var(--c-ink);
}
.article-body .prose blockquote p:last-child{margin-bottom:0;}
.article-body .prose img{border-radius:var(--radius-media);margin:22px 0 10px;}
.article-body .prose figure{margin:22px 0;}
.article-body .prose figcaption{font-size:13px;color:var(--c-muted);text-align:center;}
.article-body .prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body .prose table th,.article-body .prose table td{
  border:1px solid var(--c-line);padding:10px 14px;text-align:left;
}
.article-body .prose table th{background:var(--c-primary-soft);color:var(--c-ink);font-weight:600;}
.article-body .prose a{border-bottom:1px solid rgba(14,110,140,.35);}
.article-body .prose strong{color:var(--c-ink);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:22px;border-top:1px solid var(--c-line);}
.tag{
  font-size:13px;padding:5px 12px;border-radius:999px;background:var(--c-bg);
  border:1px solid var(--c-line);color:var(--c-muted);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.back-row{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}
.empty-state{
  background:#fff;border:1px dashed #C7DEE6;border-radius:var(--radius-card);padding:56px 28px;text-align:center;
}
.empty-state h3{margin-bottom:10px;}
.empty-state p{color:var(--c-muted);max-width:44ch;margin:0 auto 20px;}
/* sidebar */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px;}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--c-primary);}
.toc{list-style:none;margin:0;padding:0;}
.toc li{margin-bottom:2px;}
.toc a{
  display:block;font-size:14px;color:var(--c-text);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;
}
.toc a:hover{background:var(--c-primary-soft);border-left-color:var(--c-primary);color:var(--c-primary-hover);text-decoration:none;}
.rank-list{list-style:none;margin:0;padding:0;counter-reset:rk;}
.rank-list li{counter-increment:rk;display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--c-line);}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list li::before{
  content:counter(rk);flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--c-bg);
  color:var(--c-muted);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.rank-list li:nth-child(1)::before{background:var(--c-primary);color:#fff;}
.rank-list a{font-size:14px;line-height:1.6;color:var(--c-text);}
.rank-list a:hover{color:var(--c-primary);}
.side-cta{background:var(--c-dark);border:0;color:#D6E4E8;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--c-accent);}
.side-cta p{font-size:14px;color:#A9C3CA;margin-bottom:16px;}
.side-cta .btn{width:100%;background:var(--c-accent);color:#fff;box-shadow:none;}
.side-cta .btn:hover{background:#D96E2C;color:#fff;}
/* related */
.related{background:#fff;border-top:1px solid var(--c-line);padding:64px 0 76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.section-head p{color:var(--c-muted);font-size:14px;margin:6px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:17px;line-height:1.5;}
.card-body h3 a{color:var(--c-ink);}
.card-body h3 a:hover{color:var(--c-primary);text-decoration:none;}
.card-body p{font-size:14px;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-top:auto;}
/* footer */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-line);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:15px;border-radius:9px;}
.site-footer p{font-size:14px;color:var(--c-muted);max-width:46ch;}
.site-footer h4{font-size:15px;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--c-muted);}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);
}
@media (max-width:1279px){
  .layout{grid-template-columns:1fr 270px;gap:24px;}
  .side-col{top:120px;}
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;}
  .side-col{position:static;top:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .brand-note{display:none;}
  .hot-tags{display:none;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .menu-btn{display:inline-flex;}
  .search-desktop{display:none;}
  .brand-row{height:58px;gap:10px;}
  .brand-text{font-size:16px;}
  .brand-meta .badge{display:none;}
  .channel-row{height:auto;padding:8px 0;overflow-x:auto;}
  .nav-list{gap:2px;}
  .nav-link{padding:6px 10px;font-size:14px;}
  .search-inline{max-width:none;flex:1 1 160px;min-width:130px;}
  .layout{padding:22px 0 52px;gap:18px;}
  .article-head{padding:22px 20px;}
  .article-body{padding:22px 20px;}
  .article-body .prose h2{font-size:22px;margin-top:26px;}
  .article-body .prose table{display:block;overflow-x:auto;white-space:nowrap;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .related{padding:46px 0 52px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding:44px 0 22px;}
}
@media (max-width:479px){
  .brand-text{font-size:15px;}
  .btn{width:100%;}
  .brand-actions .btn{width:auto;}
  .back-row .btn{width:100%;}
  .crumbs .current{max-width:38ch;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E6E8C;
  --c-primary-hover:#0A5871;
  --c-primary-soft:#E6F2F6;
  --c-accent:#F0803C;
  --c-ink:#12313A;
  --c-text:#2C434C;
  --c-muted:#6B7F87;
  --c-line:#E2E9EC;
  --c-bg:#F6F8F9;
  --c-surface:#FFFFFF;
  --c-ok:#2E9E76;
  --c-warn:#C9871F;
  --c-dark:#0B2A33;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(11,42,51,.04), 0 8px 24px rgba(11,42,51,.06);
  --sh-card-hover:0 14px 32px rgba(11,42,51,.10);
  --container:1200px;
  --font:system-ui,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",Inter,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;letter-spacing:-.3px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.15em;padding-left:1.25em;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--c-text);}
:focus-visible{outline:3px solid rgba(14,110,140,.3);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .16s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,110,140,.18);}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,110,140,.24);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(14,110,140,.2);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-hover);text-decoration:none;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.text-link::after{content:"→";transition:transform .2s ease;}
.text-link:hover{text-decoration:none;color:var(--c-primary-hover);}
.text-link:hover::after{transform:translateX(3px);}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.badge-accent{background:rgba(240,128,60,.12);color:#C25E20;}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,42,51,.07);}
.brand-row{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;font-size:17px;}
.brand:hover{text-decoration:none;color:var(--c-ink);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;letter-spacing:0;
}
.brand-text{letter-spacing:-.2px;}
.brand-meta{display:flex;align-items:center;gap:10px;margin-left:4px;min-width:0;}
.brand-note{font-size:13px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:9px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);}
.menu-btn{display:none;flex-direction:column;gap:4px;}
.menu-btn span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;}
.channel-row{
  display:flex;align-items:center;gap:22px;
  min-height:48px;padding-top:6px;padding-bottom:6px;
  border-top:1px solid var(--c-line);
}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  position:relative;padding:7px 12px;border-radius:8px;
  font-size:15px;color:var(--c-text);font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--c-primary);
}
.search-inline{
  display:flex;align-items:center;gap:4px;margin-left:auto;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:3px 4px 3px 14px;min-width:250px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-inline:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(14,110,140,.14);}
.search-inline input{
  flex:1;min-width:0;border:0;background:transparent;height:34px;outline:none;font-size:14px;
}
.search-inline input::placeholder{color:var(--c-muted);}
.search-inline button{
  width:32px;height:32px;border-radius:50%;border:0;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
  transition:background-color .2s ease;
}
.search-inline button:hover{background:var(--c-primary-hover);}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;}
.hot-label{font-size:13px;color:var(--c-muted);white-space:nowrap;}
.hot-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text);white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.hot-tag:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:308px;max-width:86vw;z-index:90;
  background:#fff;box-shadow:-12px 0 40px rgba(11,42,51,.16);
  transform:translateX(104%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;}
.drawer-head .brand-text{font-size:15px;font-weight:700;color:var(--c-ink);}
.drawer-search{margin:0 0 18px;min-width:0;width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.drawer-nav a{
  padding:11px 12px;border-radius:9px;font-size:15px;color:var(--c-text);font-weight:500;
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,51,.4);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
/* ---------- 通用板块 ---------- */
.section{padding:92px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,2.6vw,31px);line-height:1.3;}
.section-desc{margin-top:14px;font-size:16px;color:var(--c-muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-accent);}
/* ---------- Hero ---------- */
.hero{background:#fff;padding:66px 0 76px;border-bottom:1px solid var(--c-line);}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero-title{font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.5px;}
.hero-title em{font-style:normal;color:var(--c-primary);}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-text);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-line{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:13.5px;color:var(--c-muted);}
.trust-line span{display:inline-flex;align-items:center;gap:7px;}
.trust-line span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-ok);flex:0 0 auto;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);border:1px solid var(--c-line);
}
.float-badge{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  box-shadow:0 12px 28px rgba(11,42,51,.12);
  padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.float-badge strong{font-size:26px;line-height:1;color:var(--c-primary);letter-spacing:-1px;}
.float-badge span{font-size:13px;color:var(--c-muted);line-height:1.4;}
/* ---------- 锚点条 ---------- */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:14px 0;
}
.anchor-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.anchor-label{font-size:13px;color:var(--c-muted);font-weight:600;}
.anchor-link{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg);border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-text);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .18s ease;
}
.anchor-link:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;transform:translateY(-1px);}
/* ---------- 入口要点（2 大 2 小交错） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:28px;
  display:flex;flex-direction:column;gap:14px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.feature-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);border-color:#D3E0E6;}
.feature-large{grid-column:span 4;}
.feature-small{grid-column:span 2;}
.feature-num{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.feature-title{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-ink);}
.feature-text{font-size:15px;color:var(--c-text);}
.feature-media{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-line);}
.feature-foot{margin-top:auto;padding-top:6px;}
/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:box-shadow .22s ease,transform .22s ease;
}
.scene-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);}
.scene-card h3{font-size:18px;margin-bottom:10px;}
.scene-card p{font-size:14.5px;color:var(--c-muted);margin:0;}
.scene-icon{
  width:34px;height:34px;border-radius:9px;margin-bottom:14px;
  background:rgba(240,128,60,.12);color:#C25E20;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{position:relative;padding-top:34px;}
.step::before{
  content:"";position:absolute;top:13px;left:34px;right:-24px;height:2px;background:var(--c-line);
}
.step:last-child::before{display:none;}
.step-dot{
  position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--c-muted);margin:0;}
/* ---------- 数据条 ---------- */
.stats-band{background:var(--c-primary-soft);padding:52px 0;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{
  padding:6px 24px;border-left:1px solid rgba(14,110,140,.22);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:clamp(30px,3.4vw,40px);line-height:1;font-weight:700;letter-spacing:-1px;
  color:var(--c-primary);
}
.stat-num small{font-size:16px;font-weight:600;letter-spacing:0;margin-left:4px;}
.stat-label{margin-top:10px;font-size:14px;color:var(--c-text);}
/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D3E0E6;}
.faq-item.is-open{border-color:#C8DDE5;box-shadow:var(--sh-card);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--c-ink);
  border-left:3px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q{border-left-color:var(--c-primary);color:var(--c-primary);}
.faq-q:hover{color:var(--c-primary);}
.faq-q .faq-ico{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-q .faq-ico::before,.faq-q .faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .24s ease,opacity .24s ease;
}
.faq-q .faq-ico::before{width:12px;height:2px;}
.faq-q .faq-ico::after{width:2px;height:12px;}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 22px 22px 25px;font-size:15px;color:var(--c-text);}
/* ---------- CTA + 表单 ---------- */
.cta-band{background:var(--c-dark);color:#DCE9ED;padding:84px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.3;}
.cta-band .cta-sub{margin-top:16px;font-size:15.5px;color:#A9C4CC;max-width:520px;}
.cta-list{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:#C6DBE1;}
.cta-list li::before{content:"✓";color:var(--c-accent);font-weight:700;flex:0 0 auto;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;
  box-shadow:0 20px 44px rgba(0,0,0,.18);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.6;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,140,.14);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#D9534F;}
.error-text{display:none;margin-top:6px;font-size:13px;color:#D9534F;}
.field.has-error .error-text{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-muted);margin:4px 0 18px;}
.consent input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--c-primary);}
.success-bar{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(46,158,118,.1);border:1px solid rgba(46,158,118,.3);
  color:#1F7A59;font-size:14px;
}
.success-bar.is-visible{display:block;}
.form-tip{margin-top:14px;font-size:13px;color:var(--c-muted);}
/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:16px;}
.site-footer p{font-size:14px;color:var(--c-muted);max-width:420px;}
.site-footer h4{font-size:15px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--c-muted);}
.footer-links a:hover{color:var(--c-primary);text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .feature-grid{gap:20px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .brand-note{display:none;}
  .search-inline{min-width:200px;}
  .hot-tags{display:none;}
  .hero{padding:52px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero-media img{aspect-ratio:16/9;max-height:300px;}
  .float-badge{left:14px;bottom:14px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-large,.feature-small{grid-column:span 1;}
  .feature-media{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .step:nth-child(2)::before{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .brand-row{height:60px;gap:12px;}
  .brand{font-size:15px;gap:8px;}
  .brand-mark{width:30px;height:30px;font-size:14px;border-radius:8px;}
  .brand-meta{display:none;}
  .search-desktop{display:none;}
  .menu-btn{display:inline-flex;}
  .channel-row{display:none;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .hero{padding:40px 0 50px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .float-badge{padding:10px 13px;}
  .float-badge strong{font-size:22px;}
  .anchor-inner{gap:8px;overflow-x:auto;padding-bottom:4px;flex-wrap:nowrap;}
  .feature-grid{grid-template-columns:1fr;gap:16px;}
  .feature-card{padding:22px;}
  .scene-grid{grid-template-columns:1fr;gap:16px;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .step{padding-top:0;padding-left:40px;}
  .step::before{left:13px;right:auto;top:30px;bottom:-18px;width:2px;height:auto;}
  .step:last-child::before{display:none;}
  .step-dot{top:2px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat{padding-left:16px;}
  .stat:nth-child(2n){border-left:0;padding-left:0;}
  .cta-band{padding:56px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 22px;}
}
@media (max-width:479px){
  .hero-title{font-size:28px;}
  .faq-q{padding:17px 16px;font-size:15.5px;}
  .faq-a-inner{padding:0 16px 18px 19px;}
  .stat-num{font-size:28px;}
  .btn{height:46px;padding:0 20px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E6E8C;
  --c-primary-hover:#0A5871;
  --c-primary-soft:#E6F2F6;
  --c-accent:#F0803C;
  --c-ink:#12313A;
  --c-text:#2C434C;
  --c-muted:#6B7F87;
  --c-line:#E2E9EC;
  --c-bg:#F6F8F9;
  --c-surface:#FFFFFF;
  --c-ok:#2E9E76;
  --c-warn:#C9871F;
  --c-dark:#0B2A33;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(11,42,51,.04),0 8px 24px rgba(11,42,51,.06);
  --sh-hover:0 14px 32px rgba(11,42,51,.10);
  --sh-head:0 1px 2px rgba(11,42,51,.05),0 6px 18px rgba(11,42,51,.05);
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-hover);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.3px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(14,110,140,.32);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-head);
}
.brand-row{display:flex;align-items:center;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;flex-shrink:0;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:0 4px 12px rgba(14,110,140,.28);
}
.brand-text{font-size:17px;letter-spacing:-.2px;white-space:nowrap;}
.brand-meta{display:flex;align-items:center;gap:10px;min-width:0;}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.brand-note{font-size:13px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-text);cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;flex-direction:column;gap:4px;}
.menu-btn span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,110,140,.22);}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,110,140,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(14,110,140,.22);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:rgba(14,110,140,.35);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary-hover);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-light{background:#fff;color:var(--c-dark);}
.btn-light:hover{background:#EAF4F7;color:var(--c-dark);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px);}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

.channel-row{
  display:flex;align-items:center;gap:20px;
  min-height:48px;border-top:1px solid var(--c-line);
}
.nav-list{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.nav-link{
  display:inline-block;padding:6px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--c-text);white-space:nowrap;
  transition:all .18s ease;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
.search-inline{
  display:flex;align-items:center;flex:1;max-width:280px;
  border:1px solid var(--c-line);border-radius:999px;
  background:var(--c-bg);padding:0 4px 0 14px;height:36px;
}
.search-inline input{
  flex:1;border:0;background:transparent;font-size:13px;
  height:100%;outline:none;min-width:0;
}
.search-inline input::placeholder{color:var(--c-muted);}
.search-inline button{
  width:28px;height:28px;border-radius:50%;border:0;cursor:pointer;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:background .18s ease;
}
.search-inline button:hover{background:var(--c-primary-hover);}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;}
.hot-label{font-size:13px;color:var(--c-muted);white-space:nowrap;}
.hot-tag{
  font-size:13px;padding:4px 11px;border-radius:999px;
  background:var(--c-bg);border:1px solid var(--c-line);
  color:var(--c-text);white-space:nowrap;transition:all .18s ease;
}
.hot-tag:hover{color:var(--c-primary);border-color:rgba(14,110,140,.4);background:var(--c-primary-soft);}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,51,.42);
  opacity:0;visibility:hidden;transition:all .24s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;
  background:var(--c-surface);z-index:80;
  transform:translateX(102%);transition:transform .28s ease;
  padding:22px 22px 40px;overflow-y:auto;
  box-shadow:-8px 0 32px rgba(11,42,51,.14);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-ink);}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--c-line);
  background:var(--c-surface);cursor:pointer;font-size:18px;line-height:1;color:var(--c-text);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:13px;color:var(--c-muted);font-weight:600;letter-spacing:.4px;margin-bottom:10px;}
.drawer-group a{
  display:block;padding:11px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-text);
  background:var(--c-bg);margin-bottom:8px;
}
.drawer-group a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-search{display:flex;border:1px solid var(--c-line);border-radius:10px;overflow:hidden;margin-bottom:22px;}
.drawer-search input{flex:1;border:0;padding:0 12px;height:44px;outline:none;font-size:14px;min-width:0;}
.drawer-search button{border:0;background:var(--c-primary);color:#fff;padding:0 16px;cursor:pointer;font-size:14px;font-weight:600;}
.drawer-search button:hover{background:var(--c-primary-hover);}

/* ============ 频道头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(246,248,249,.92) 52%,rgba(230,242,246,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 0 44px;border-bottom:1px solid var(--c-line);
}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.5px;margin-bottom:14px;
}
.page-hero h1 .h1-key{color:var(--c-primary);}
.hero-sub{font-size:17px;color:var(--c-text);max-width:720px;margin-bottom:18px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero-badges .badge-line{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--c-text);
  background:#fff;border:1px solid var(--c-line);
  padding:5px 13px;border-radius:999px;
}
.hero-badges .badge-line i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.anchor-row{display:flex;flex-wrap:wrap;gap:8px;}
.anchor-row a{
  font-size:14px;font-weight:600;color:var(--c-text);
  background:#fff;border:1px solid var(--c-line);
  padding:8px 16px;border-radius:999px;transition:all .18s ease;
}
.anchor-row a:hover{color:var(--c-primary);border-color:rgba(14,110,140,.4);background:var(--c-primary-soft);transform:translateY(-1px);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--c-surface);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:clamp(24px,3vw,30px);line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--c-muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}

/* ============ 入口提示 ============ */
.entry-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:36px;overflow:hidden;
}
.entry-box h2{font-size:clamp(22px,2.6vw,28px);line-height:1.32;margin-bottom:14px;}
.entry-steps{display:grid;gap:14px;margin:22px 0 26px;}
.entry-step{display:flex;gap:14px;align-items:flex-start;}
.step-num{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.entry-step strong{display:block;font-size:15px;color:var(--c-ink);margin-bottom:2px;}
.entry-step span{font-size:14px;color:var(--c-muted);line-height:1.7;}
.entry-media{position:relative;}
.entry-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);
}
.entry-media .float-badge{
  position:absolute;left:16px;bottom:16px;
  background:#fff;border-radius:12px;padding:10px 14px;
  box-shadow:0 10px 24px rgba(11,42,51,.14);
  font-size:13px;color:var(--c-text);font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.entry-media .float-badge b{color:var(--c-primary);font-size:19px;letter-spacing:-.5px;}

/* ============ 筛选 chips ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text);font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:rgba(14,110,140,.45);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,110,140,.22);}

/* ============ 场景卡片网格 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:26px 24px;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(14,110,140,.28);}
.scene-card:hover h3{color:var(--c-primary);}
.scene-icon{
  width:42px;height:42px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-card h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px;transition:color .18s ease;}
.scene-card p{font-size:15px;color:var(--c-text);margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;}
.tag{
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);padding:3px 10px;border-radius:999px;
}
.tag-warn{color:var(--c-warn);background:rgba(201,135,31,.1);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:52px 24px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state p{color:var(--c-muted);margin-bottom:16px;}

/* ============ 折叠长文 ============ */
.acc-group{display:grid;gap:14px;}
.acc-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  overflow:hidden;transition:box-shadow .2s ease;
}
.acc-item:hover{box-shadow:var(--sh-hover);}
.acc-item.is-open{border-left:3px solid var(--c-primary);}
.acc-trigger{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.acc-item.is-open .acc-trigger{color:var(--c-primary);}
.acc-arrow{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--c-bg);color:var(--c-muted);
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.acc-item.is-open .acc-arrow{transform:rotate(180deg);background:var(--c-primary-soft);color:var(--c-primary);}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.acc-panel-inner{padding:0 24px 24px;font-size:15.5px;color:var(--c-text);}
.acc-panel-inner p{margin-bottom:.9em;}
.acc-panel-inner ul{display:grid;gap:8px;margin-top:10px;}
.acc-panel-inner li{position:relative;padding-left:18px;}
.acc-panel-inner li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.flow-item{position:relative;padding-top:8px;}
.flow-dot{
  width:38px;height:38px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-primary);
  color:var(--c-primary);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  position:relative;z-index:2;
}
.flow-item::after{
  content:"";position:absolute;top:27px;left:44px;right:-16px;height:1px;
  background:var(--c-line);z-index:1;
}
.flow-item:last-child::after{display:none;}
.flow-item h3{font-size:18px;margin-bottom:8px;font-weight:600;}
.flow-item p{font-size:14.5px;color:var(--c-muted);margin:0;}

/* ============ 清单 ============ */
.check-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;padding:16px 18px;box-shadow:var(--sh-card);
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.check-mark{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:rgba(46,158,118,.12);color:var(--c-ok);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.check-list strong{display:block;font-size:15.5px;color:var(--c-ink);margin-bottom:3px;}
.check-list span{font-size:14px;color:var(--c-muted);line-height:1.7;}
.check-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}

/* ============ CTA ============ */
.cta-section{background:var(--c-dark);color:#E7EFF1;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
.cta-section h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.cta-section p{color:rgba(231,239,241,.8);font-size:16px;}
.cta-points{display:grid;gap:12px;margin-top:24px;}
.cta-points li{display:flex;gap:10px;align-items:center;font-size:15px;color:rgba(231,239,241,.9);}
.cta-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);flex-shrink:0;
}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:30px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px;}
.field input[type="text"],
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.95);color:var(--c-ink);
  outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:96px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,140,.28);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:#E2604A;box-shadow:0 0 0 3px rgba(226,96,74,.22);
}
.field-error{display:none;font-size:13px;color:#F4A18F;margin-top:6px;}
.field.has-error .field-error{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(231,239,241,.82);margin-bottom:18px;}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);flex-shrink:0;}
.form-note{display:none;font-size:14px;border-radius:10px;padding:11px 14px;margin-bottom:16px;}
.form-note.ok{display:block;background:rgba(46,158,118,.16);color:#8FE0C2;border:1px solid rgba(46,158,118,.42);}
.form-note.bad{display:block;background:rgba(226,96,74,.14);color:#F7B5A6;border:1px solid rgba(226,96,74,.4);}
.form-card .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-line);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);font-size:16px;margin-bottom:14px;}
.site-footer p{font-size:14px;color:var(--c-muted);line-height:1.8;margin:0;}
.site-footer h4{font-size:14px;color:var(--c-ink);margin-bottom:14px;font-weight:700;}
.footer-links{display:grid;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--c-muted);}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid var(--c-line);padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec-pad:84px;}
  .container{padding:0 24px;}
  .scene-grid{gap:20px;}
}
@media (max-width:1023px){
  :root{--sec-pad:72px;}
  .brand-note{display:none;}
  .search-inline{max-width:220px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow-item::after{display:none;}
  .entry-box{grid-template-columns:1fr;gap:26px;padding:28px;}
  .entry-media img{aspect-ratio:16/10;}
  .check-wrap{grid-template-columns:1fr;gap:30px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-pad:58px;}
  .container{padding:0 16px;}
  .menu-btn{display:inline-flex;}
  .search-desktop{display:none;}
  .brand-text{font-size:15px;}
  .channel-row{gap:12px;padding-bottom:8px;overflow-x:auto;}
  .nav-list{overflow-x:auto;}
  .search-inline{display:none;}
  .hot-tags{margin-left:0;padding-bottom:4px;}
  .brand-row{min-height:58px;}
  .page-hero{padding:44px 0 34px;}
  .hero-sub{font-size:16px;}
  .scene-grid{grid-template-columns:1fr;gap:14px;}
  .flow{grid-template-columns:1fr;gap:22px;}
  .flow-item{display:flex;gap:14px;align-items:flex-start;}
  .flow-dot{margin-bottom:0;}
  .acc-trigger{padding:16px 18px;font-size:16px;}
  .acc-panel-inner{padding:0 18px 20px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:519px){
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .hero-badges{gap:8px;}
  .anchor-row{gap:6px;}
  .anchor-row a{font-size:13px;padding:7px 13px;}
  .entry-box{padding:20px;}
  .scene-card{padding:20px;}
}