/* roulang page: index */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-ok:#1FA97A;
  --c-warn:#E9A020;
  --c-err:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:#5B49C0;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(33,199,184,.45);outline-offset:2px;border-radius:6px;}
.no-scroll{overflow:hidden;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-alt{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-accent);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--grad-star);border-radius:2px;}
.section-title{font-size:clamp(24px,3.2vw,38px);position:relative;padding-left:18px;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--grad-star);
}
.section-desc{margin-top:14px;color:var(--c-ink-2);font-size:16px;max-width:680px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.86);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;}
.topbar-left svg{flex:none;}
.topbar-right{display:flex;align-items:center;gap:0;}
.topbar-right a,.topbar-right span{color:rgba(255,255,255,.86);font-size:13px;padding:0 14px;border-left:1px solid rgba(255,255,255,.18);}
.topbar-right a:first-child{border-left:none;}
.topbar-right a:hover{color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:60;transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);}
.brand-name{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);font-weight:500;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px;background:var(--grad-star);
}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-s);
  border:1px solid var(--c-line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;background:var(--c-surface);z-index:80;
  display:flex;flex-direction:column;padding:20px 20px 32px;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--c-line);font-size:18px;color:var(--c-ink);}
.drawer-nav{margin-top:8px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-link.active{color:var(--c-primary);font-weight:600;}
.drawer-link::after{content:"›";color:var(--c-ink-3);font-size:20px;}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- Hero ---------- */
.hero{padding:48px 0 0;}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--grad-brand);box-shadow:var(--sh-3);
}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;}
.hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(120% 90% at 85% 15%,rgba(33,199,184,.22) 0%,rgba(36,27,88,0) 55%),
             linear-gradient(135deg,rgba(26,20,64,.88) 0%,rgba(36,27,88,.72) 55%,rgba(59,44,134,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 56px;}
.crumb{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.68);}
.crumb a:hover{color:#fff;}
.hero h1{
  color:#fff;font-size:clamp(30px,5vw,54px);line-height:1.22;font-weight:700;
  max-width:900px;letter-spacing:.01em;
}
.hero-sub{margin-top:18px;color:rgba(255,255,255,.85);font-size:17px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
}
.badge-num{font-size:24px;font-weight:700;color:var(--c-star);font-variant-numeric:tabular-nums;}
.badge-txt{font-size:13px;color:rgba(255,255,255,.8);}

/* ---------- 倒计时 ---------- */
.countdown{
  margin-top:20px;background:var(--c-primary-deep);border-radius:var(--r-l);
  padding:20px 28px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cd-left{flex:1 1 260px;color:rgba(255,255,255,.82);font-size:14px;}
.cd-left strong{display:block;color:#fff;font-size:16px;font-weight:600;margin-bottom:2px;}
.cd-grid{display:flex;align-items:center;gap:10px;}
.cd-cell{
  width:68px;padding:8px 0;text-align:center;border-radius:var(--r-s);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.cd-num{font-size:30px;font-weight:700;color:var(--c-star);line-height:1.15;font-variant-numeric:tabular-nums;}
.cd-label{font-size:12px;color:rgba(255,255,255,.6);}
.cd-colon{color:var(--c-accent);font-size:22px;font-weight:700;}

/* ---------- 卖点交错区 ---------- */
.feature{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;}
.feature + .feature{margin-top:56px;}
.feature-media{grid-column:span 5;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);}
.feature-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.feature:hover .feature-media img{transform:scale(1.04);}
.feature-text{grid-column:span 7;}
.feature.rev .feature-media{grid-column:span 5;order:2;}
.feature.rev .feature-text{grid-column:span 7;order:1;}
.feature-num{
  width:44px;height:44px;border-radius:50%;background:var(--grad-star);
  color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;box-shadow:var(--sh-1);
}
.feature-text h3{font-size:22px;margin-bottom:12px;}
.feature-list{margin-top:18px;display:grid;gap:10px;}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);}
.feature-list li svg{flex:none;margin-top:5px;}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.g-item{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);background:var(--c-primary-deep);}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.g-item:hover img{transform:scale(1.05);}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,20,64,0) 45%,rgba(26,20,64,.78) 100%);
  opacity:.85;transition:opacity .3s ease;
}
.g-item:hover::after{opacity:1;}
.g-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;}
.g-cap span{
  display:inline-block;background:var(--c-star);color:#241B58;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:var(--r-pill);margin-bottom:8px;
}
.g-cap strong{display:block;font-size:16px;font-weight:600;color:#fff;}
.g-1{grid-column:span 6;height:330px;}
.g-2{grid-column:span 3;height:330px;}
.g-3{grid-column:span 3;height:330px;}
.g-4{grid-column:span 4;height:250px;}
.g-5{grid-column:span 4;height:250px;}
.g-6{grid-column:span 4;height:250px;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:32px;box-shadow:var(--sh-1);
}
.stat{text-align:center;padding:8px 12px;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:none;}
.stat-num{font-size:34px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num em{font-style:normal;font-size:16px;color:var(--c-star);margin-left:2px;}
.stat-label{font-size:14px;color:var(--c-ink-3);margin-top:6px;}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:56px;
  box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-180px;background:radial-gradient(circle,rgba(33,199,184,.35),rgba(33,199,184,0) 65%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:start;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3.2vw,36px);}
.cta-copy p{color:rgba(255,255,255,.84);margin-top:16px;font-size:16px;}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.9);font-size:15px;}
.cta-points li svg{flex:none;margin-top:4px;}
.qr{
  margin-top:28px;display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-m);padding:14px 18px;
}
.qr img{width:96px;height:96px;border-radius:var(--r-s);object-fit:cover;background:#fff;}
.qr span{font-size:13px;color:rgba(255,255,255,.8);display:block;}
.form-card{background:var(--c-surface);border-radius:var(--r-l);padding:30px;box-shadow:var(--sh-2);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--c-ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-s);
  padding:12px 14px;font-size:15px;background:#FBFAFF;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input,.field select{height:48px;padding:0 14px;}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:#fff;
  box-shadow:0 0 0 3px rgba(33,199,184,.25);
}
.field.has-error input,.field.has-error select{border-color:var(--c-err);background:#FFF7F6;}
.field-msg{display:none;font-size:13px;color:var(--c-err);margin-top:6px;}
.field.has-error .field-msg{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-ink-2);margin:6px 0 20px;}
.agree input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--c-primary);}
.form-success{
  display:none;background:var(--c-accent-soft);border:1px solid rgba(31,169,122,.35);
  border-radius:var(--r-m);padding:20px;text-align:center;color:#137A5A;
}
.form-success strong{display:block;font-size:17px;color:var(--c-ok);margin-bottom:6px;}
.form-card.is-done form{display:none;}
.form-card.is-done .form-success{display:block;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);border-color:#D6D0EE;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--c-accent-soft);color:var(--c-accent);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.news-more-link{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-more-link span{transition:transform .2s ease;}
.news-more-link:hover span{transform:translateX(4px);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;color:inherit;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-cat{
  position:absolute;left:12px;top:12px;background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(59,44,134,.14);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:18px;line-height:1.55;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;line-height:1.8;color:var(--c-ink-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);
}
.news-foot .read{color:var(--c-primary);font-weight:600;}
.empty-state{
  text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-l);padding:56px 24px;
}
.empty-state svg{margin:0 auto 16px;}
.empty-state p{color:var(--c-ink-3);margin-bottom:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding:0 0 28px;position:relative;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-star);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-top:16px;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-contact svg{flex:none;margin-top:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:34px;height:34px;border-radius:var(--r-s);border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
}
.footer-social a:hover{background:rgba(255,255,255,.1);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .hero-inner{padding:52px 40px;}
  .cta-band{padding:44px;}
}
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero-inner{padding:44px 32px;}
  .feature-media,.feature.rev .feature-media{grid-column:span 12;order:1;}
  .feature-text,.feature.rev .feature-text{grid-column:span 12;order:2;}
  .feature + .feature{margin-top:44px;}
  .cta-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);gap:8px;}
  .stat:nth-child(2){border-right:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:48px 0 32px;}
}
@media (max-width:768px){
  .topbar-inner{justify-content:center;}
  .topbar-left{display:none;}
  .topbar-right a:first-child{border-left:none;}
  .section{padding:56px 0;}
  .hero{padding:28px 0 0;}
  .hero-inner{padding:34px 22px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .badges{gap:10px;}
  .badge{padding:8px 14px;}
  .badge-num{font-size:20px;}
  .cd-grid{width:100%;justify-content:space-between;}
  .cd-cell{width:calc(25% - 8px);}
  .cd-num{font-size:24px;}
  .g-1,.g-2,.g-3,.g-4,.g-5,.g-6{grid-column:span 6;height:200px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:var(--r-l);}
  .form-card{padding:22px;}
  .stats{padding:20px;}
  .stat-num{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .hero-card{border-radius:var(--r-l);}
  .hero h1{font-size:30px;}
  .g-1,.g-2,.g-3,.g-4,.g-5,.g-6{grid-column:span 12;height:200px;}
  .btn{width:100%;}
  .nav-inner{gap:12px;}
  .brand-name{font-size:17px;}
  .cd-colon{display:none;}
}

/* roulang page: article */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-ok:#1FA97A;
  --c-warn:#E9A020;
  --c-err:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --sp-section:96px;
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:3px solid rgba(33,199,184,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-section) 0;}
.card-surface{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-ink);}
.brand:hover{color:var(--c-primary);}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:var(--sh-1);flex:none;}
.brand-name{white-space:nowrap;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--c-ink-2);border-radius:var(--r-s);}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--grad-star);}
.nav-cta{margin-left:10px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transform:translateX(-50%);transition:all .22s ease;content:"";}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg);}

/* 面包屑 + 文章头部 */
.article-hero{position:relative;background:var(--c-primary-deep);overflow:hidden;}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.34;}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(36,27,88,.92) 0%,rgba(59,44,134,.86) 55%,rgba(106,79,208,.82) 100%);}
.article-hero-inner{position:relative;z-index:2;padding:52px 0 56px;color:#fff;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{font-size:clamp(30px,5vw,54px);line-height:1.22;font-weight:700;color:#fff;max-width:900px;margin-bottom:20px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:14px;color:rgba(255,255,255,.82);font-variant-numeric:tabular-nums;}
.meta-tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--grad-star);color:#12303a;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.6);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge-pill{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff;}
.badge-pill b{font-size:22px;font-weight:700;color:var(--c-star);font-variant-numeric:tabular-nums;}
.badge-pill span{font-size:13px;color:rgba(255,255,255,.8);}

/* 正文布局 */
.article-main{padding:56px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);box-shadow:var(--sh-1);padding:40px 44px;}
.lead{position:relative;background:var(--c-primary-soft);border-radius:var(--r-m);padding:20px 24px 20px 30px;font-size:16px;color:var(--c-primary-deep);}
.lead::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px;background:var(--grad-star);}
.article-body{margin-top:32px;font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.article-body h2{font-size:clamp(22px,2.6vw,28px);line-height:1.4;color:var(--c-ink);margin:44px 0 18px;padding:22px 0 0 20px;border-top:1px solid var(--c-line);position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:34px;width:6px;height:6px;border-radius:50%;background:var(--c-star);}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-primary);margin:32px 0 12px;}
.article-body p{margin:0 0 1.15em;}
.article-body ul{margin:0 0 1.15em;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-accent-soft);border:2px solid var(--c-accent);}
.article-body ol{margin:0 0 1.15em;padding-left:22px;}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{margin:26px 0;background:var(--c-bg);border-left:3px solid var(--c-accent);border-radius:0 var(--r-m) var(--r-m) 0;padding:18px 24px;color:var(--c-ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-m);margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:10px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-color:var(--c-accent);text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:#fff;}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.article-body tbody tr:nth-child(even){background:#FBFAFE;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* 空态 */
.article-empty{text-align:center;padding:48px 10px;}
.article-empty h2{font-size:24px;margin-bottom:14px;}
.article-empty p{margin-bottom:26px;color:var(--c-ink-3);}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:22px 22px 24px;transition:box-shadow .25s ease,transform .25s ease;}
.side-card:hover{box-shadow:var(--sh-2);}
.side-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:16px;}
.side-title::before{content:"";width:3px;height:16px;border-radius:3px;background:var(--c-star);}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;padding:9px 12px;border-radius:var(--r-s);font-size:14px;color:var(--c-ink-2);border-left:2px solid transparent;}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-accent);}
.rec-list{display:flex;flex-direction:column;gap:14px;}
.rec-item{display:flex;gap:12px;align-items:flex-start;}
.rec-item img{width:84px;height:56px;object-fit:cover;border-radius:var(--r-s);flex:none;}
.rec-item h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:4px;}
.rec-item h4 a{color:var(--c-ink);}
.rec-item h4 a:hover{color:var(--c-primary);}
.rec-item time{font-size:12px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.side-cta{background:var(--grad-brand);border:0;color:#fff;box-shadow:var(--sh-2);}
.side-cta .side-title{color:#fff;}
.side-cta .side-title::before{background:var(--c-star);}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:18px;}

/* 板块标题 */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3.2vw,38px);line-height:1.3;position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--c-star);}
.section-head p{font-size:14px;color:var(--c-ink-3);margin:8px 0 0 18px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.text-link svg{transition:transform .2s ease;}
.text-link:hover{color:var(--c-accent);}
.text-link:hover svg{transform:translateX(4px);}

/* 相关推荐 */
.related{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .25s ease,transform .25s ease;}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-cat{position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;display:inline-flex;align-items:center;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-primary);}
.post-body p{font-size:14px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.post-foot .read{color:var(--c-primary);font-weight:600;}

/* 上下篇 */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pager-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:22px 24px;transition:box-shadow .25s ease,transform .25s ease,border-color .2s ease;}
.pager-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:var(--c-accent);}
.pager-card span{display:block;font-size:13px;color:var(--c-ink-3);margin-bottom:8px;}
.pager-card strong{display:block;font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.55;}
.pager-card:hover strong{color:var(--c-primary);}
.pager-card.next{text-align:right;}

/* CTA 表单 */
.cta-band{background:var(--grad-brand);border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:48px;color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.1;}
.cta-copy,.form-card{position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3.2vw,34px);line-height:1.3;margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.86);font-size:15px;margin-bottom:24px;}
.cta-points{list-style:none;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.92);}
.cta-points svg{flex:none;margin-top:4px;}
.form-card{background:#fff;border-radius:var(--r-l);padding:30px;box-shadow:var(--sh-2);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--c-ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-line);border-radius:var(--r-s);padding:0 14px;height:48px;background:#FCFBFF;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(33,199,184,.25);background:#fff;}
.field.has-error input,.field.has-error select{border-color:var(--c-err);}
.field .err-msg{display:none;font-size:13px;color:var(--c-err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7;margin:4px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--c-primary);}
.form-success{display:none;text-align:center;padding:26px 8px;}
.form-success.is-visible{display:block;}
.form-success .ok-icon{width:56px;height:56px;border-radius:50%;background:var(--c-accent-soft);display:grid;place-items:center;margin:0 auto 16px;}
.form-success h4{font-size:18px;margin-bottom:8px;color:var(--c-ok);}
.form-success p{font-size:14px;color:var(--c-ink-2);}
.qr-box{margin-top:26px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-m);padding:16px;}
.qr-box img{width:112px;height:112px;object-fit:cover;border-radius:var(--r-s);background:#fff;}
.qr-box span{font-size:13px;color:rgba(255,255,255,.86);line-height:1.7;}

/* 页脚 */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);border-top:2px solid transparent;border-image:var(--grad-star) 1;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-contact svg{flex:none;margin-top:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.65);}
.footer-bottom a:hover{color:var(--c-accent);}

/* 响应式 */
@media (max-width:1200px){
  :root{--sp-section:72px;}
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
  .article-card{padding:34px 30px;}
}
@media (max-width:1024px){
  .nav-links{position:fixed;left:0;right:0;top:72px;bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 32px;margin:0;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;overflow-y:auto;border-top:1px solid var(--c-line);}
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:16px 8px;min-height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--c-line);border-radius:0;}
  .nav-link.active::after{display:none;}
  .nav-link.active{color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-s);}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;}
  .article-hero-inner{padding:40px 0 44px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:52px 0 32px;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .brand{font-size:16px;}
  .brand-name{letter-spacing:0;}
  .article-card{padding:26px 20px;border-radius:var(--r-l);}
  .article-body h2{padding-top:18px;}
  .article-body h2::before{top:29px;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager-card.next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:32px 20px;border-radius:var(--r-l);}
  .form-card{padding:22px;}
  .badge-pill{height:40px;padding:0 14px;}
  .badge-pill b{font-size:19px;}
  .qr-box{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .section-head h2{padding-left:14px;}
  .btn{width:100%;}
  .nav-cta{display:none;}
  .article-hero h1{font-size:26px;}
  .breadcrumb .current{max-width:180px;}
  .badge-pill{width:100%;}
  .btn-inline{width:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-ok:#1FA97A;
  --c-warn:#E9A020;
  --c-err:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--c-ink);margin:0;line-height:1.3;font-weight:700}
h1{font-size:clamp(30px,5vw,54px);line-height:1.22}
h2{font-size:clamp(24px,3.2vw,38px)}
h3{font-size:22px;font-weight:600;line-height:1.45}
h4{font-size:16px;font-weight:600}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:#6A4FD0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(33,199,184,.45);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:32px 0 0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:var(--sh-1);
}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--c-ink)}
.brand:hover .brand-name{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:10px 12px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:0;
  height:3px;border-radius:3px;background:var(--grad-star);
}
.nav-cta-drawer{display:none}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:var(--c-surface);
  cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
  position:relative;transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
  transition:transform .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.nav-open .nav-toggle span{background:transparent}
.site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:16px;font-weight:600;
  font-family:inherit;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line)}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  width:min(1200px,calc(100% - 64px));
  margin:28px auto 0;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--sh-3);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 12%,rgba(33,199,184,.34),transparent 52%),
    radial-gradient(circle at 12% 92%,rgba(255,180,60,.16),transparent 48%);
}
.page-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;
  padding:56px;
}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb span{margin:0 8px;color:rgba(255,255,255,.45)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-star)}
.page-hero h1{color:#fff;margin-bottom:16px}
.lead{font-size:17px;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-chip{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.82);
}
.hero-chip b{font-size:20px;font-weight:700;color:var(--c-star);font-variant-numeric:tabular-nums}
.page-hero-side{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-3)}
.page-hero-side img{width:100%;aspect-ratio:4/3;object-fit:cover}
.page-hero-side figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:34px 20px 16px;
  font-size:13px;color:#fff;
  background:linear-gradient(180deg,rgba(26,20,64,0),rgba(26,20,64,.86));
}

/* ============ 筛选标签 ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  font-size:15px;font-weight:500;
  transition:all .2s ease;
}
.chip:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-2px)}
.chip.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2);font-weight:600}
.chip.is-active:hover{color:#fff}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:18px}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--c-star);
}
.sec-sub{color:var(--c-ink-3);font-size:15px;margin-top:10px;max-width:720px}

/* ============ 亮点图墙 ============ */
.grid-wall{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:118px;gap:20px}
.wall-item{
  position:relative;margin:0;overflow:hidden;
  border-radius:var(--r-l);
  background:var(--c-primary-soft);
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.wall-item figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:40px 20px 18px;
  background:linear-gradient(180deg,rgba(26,20,64,0),rgba(26,20,64,.88));
  color:#fff;
  font-size:15px;font-weight:600;line-height:1.5;
}
.wall-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.wall-item:hover img{transform:scale(1.04)}
.wall-tag{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-star);color:#231704;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.wall-item figcaption .wall-note{display:block;font-size:13px;font-weight:400;color:rgba(255,255,255,.78);margin-top:6px}
.w6{grid-column:span 6;grid-row:span 2}
.w4{grid-column:span 4;grid-row:span 2}
.w3{grid-column:span 3;grid-row:span 1}

/* ============ 图文交错 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-row + .feature-row{margin-top:56px}
.feature-row.reverse .feature-media{order:2}
.feature-media{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-primary-soft)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-body{max-width:520px}
.num-badge{
  display:grid;place-items:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-primary);
  font-size:15px;font-weight:700;
  box-shadow:var(--sh-1);
  margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.feature-body h3{margin-bottom:14px}
.ticks{margin-top:22px;display:grid;gap:12px}
.ticks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.ticks svg{flex:0 0 auto;margin-top:5px}

/* ============ 数据徽章 ============ */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{
  display:block;
  font-size:34px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-unit{display:block;margin-top:10px;font-size:14px;font-weight:600;color:var(--c-ink)}
.stat-desc{display:block;margin-top:6px;font-size:13px;color:var(--c-ink-3)}
.stat-bar{height:3px;border-radius:3px;background:var(--grad-star);margin-top:18px;width:44px}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFC8EE;box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 20px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:17px;font-weight:700;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--grad-star);color:#04282C}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1.4fr .6fr;
  gap:40px;align-items:center;
  padding:56px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 15%,rgba(33,199,184,.28),transparent 55%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.84);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.qr-box{
  background:var(--c-surface);
  border-radius:var(--r-l);
  padding:20px;
  text-align:center;
  box-shadow:var(--sh-2);
}
.qr-box img{width:160px;height:160px;object-fit:cover;border-radius:var(--r-s);margin:0 auto}
.qr-box span{display:block;margin-top:12px;font-size:13px;color:var(--c-ink-2);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:96px;
  background:var(--c-footer);
  color:rgba(255,255,255,.7);
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-star)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.65);max-width:330px}
.footer-col h4{color:#fff;margin:0 0 16px;font-size:15px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact svg{flex:0 0 auto;margin-top:5px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 28px}
  .section{padding:84px 0}
  .page-hero-inner{padding:48px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;padding:12px 24px 40px;
    background:var(--c-surface);
    border-top:1px solid var(--c-line);
    overflow-y:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;
  }
  .site-header.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-link{
    display:flex;align-items:center;
    min-height:52px;padding:0 4px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;font-size:16px;
  }
  .nav-link:hover{background:transparent}
  .nav-link.active::after{display:none}
  .nav-cta{display:none}
  .nav-cta-drawer{
    display:flex;align-items:center;justify-content:center;
    height:50px;margin-top:22px;
    border-radius:var(--r-pill);
    background:var(--grad-brand);color:#fff;
    font-size:16px;font-weight:600;
  }
  .page-hero{width:calc(100% - 48px)}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding:44px}
  .page-hero-side{max-width:520px}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.reverse .feature-media{order:0}
  .feature-body{max-width:none}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:56px 0 36px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .nav-inner{height:66px}
  .nav-links{top:66px;padding:10px 18px 36px}
  .brand-name{font-size:16px}
  .page-hero{width:calc(100% - 36px);margin-top:18px;border-radius:var(--r-l)}
  .page-hero-inner{padding:32px 22px}
  .lead{font-size:16px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .chip{height:40px;padding:0 16px;font-size:14px}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .chips::-webkit-scrollbar{height:4px}
  .chips::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:4px}
  .grid-wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:132px;gap:14px}
  .wall-item{grid-column:span 1;grid-row:span 1;border-radius:var(--r-m)}
  .wall-item.w6{grid-column:span 2}
  .wall-item figcaption{padding:30px 14px 14px;font-size:14px}
  .stats-row{grid-template-columns:1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:560px){
  .grid-wall{grid-template-columns:1fr}
  .wall-item.w6{grid-column:span 1}
  .cta-band{padding:32px 22px;border-radius:var(--r-l)}
  .qr-box img{width:140px;height:140px}
  .stat-num{font-size:30px}
}

/* roulang page: category2 */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-ok:#1FA97A;
  --c-warn:#E9A020;
  --c-err:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --sp-section:88px;
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:#2C2070;}
p a,.doc-block a:not(.btn){text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:2px;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;line-height:1.3;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(33,199,184,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:56px 0;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.82);font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap;}
.topbar-left{display:flex;align-items:center;gap:9px;line-height:36px;}
.topbar-left svg{flex:none;}
.topbar-right{display:flex;align-items:center;line-height:36px;}
.topbar-right a{color:rgba(255,255,255,.82);padding:0 14px;font-size:13px;}
.topbar-right a:hover{color:#fff;}
.topbar-right a+a{border-left:1px solid rgba(255,255,255,.22);}
.topbar-right .dot{color:var(--c-accent);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .22s ease;}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;}
.brand-mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;flex:none;box-shadow:var(--sh-1);}
.brand-name{font-size:17px;letter-spacing:.01em;color:var(--c-ink);}
.brand:hover .brand-name{color:var(--c-primary);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:6px;}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--c-ink-2);border-radius:var(--r-s);white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link:active{transform:translateY(1px);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--grad-star);}
.nav-cta{flex:none;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;position:relative;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-2px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--sh-2);transform:translateY(-2px);color:#fff;}
.btn-secondary{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn-secondary:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 内页首屏 ---------- */
.page-hero{position:relative;overflow:hidden;border-radius:var(--r-xl);margin-top:32px;background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3);}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,15,52,.9) 0%,rgba(36,27,88,.62) 56%,rgba(59,44,134,.42) 100%);}
.hero-inner{position:relative;z-index:2;padding:58px 52px 50px;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.42);}
.page-title{font-size:clamp(30px,5vw,54px);line-height:1.22;font-weight:700;color:#fff;letter-spacing:.01em;}
.hero-lead{max-width:62ch;margin:18px 0 0;font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.fact-pill{display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.86);font-size:13px;}
.fact-pill b{font-size:22px;font-weight:700;color:var(--c-star);font-variant-numeric:tabular-nums;line-height:1;}

/* ---------- 筛选标签 ---------- */
.chip-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:26px 0 6px;}
.chip-bar .chip-label{font-size:13px;color:var(--c-ink-3);margin-right:4px;}
.chip{
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  font-size:14px;cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.chip.is-active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:var(--sh-1);}
.chip.is-active:hover{color:#fff;}

/* ---------- 分栏资料布局 ---------- */
.split{display:grid;grid-template-columns:3fr 9fr;gap:36px;align-items:start;}
.side-panel{position:sticky;top:104px;display:grid;gap:20px;}
.anchor-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-1);}
.anchor-card h3{font-size:15px;margin-bottom:12px;padding-left:12px;position:relative;}
.anchor-card h3::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:1em;border-radius:3px;background:var(--c-star);}
.anchor-nav{display:grid;gap:4px;}
.anchor-nav a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--r-s);font-size:14px;color:var(--c-ink-2);transition:all .18s ease;}
.anchor-nav a span{color:var(--c-ink-3);font-variant-numeric:tabular-nums;font-size:12px;}
.anchor-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.anchor-nav a:hover span{color:var(--c-primary);}
.anchor-card .card-note{font-size:13px;color:var(--c-ink-3);line-height:1.75;margin:14px 0 16px;}
.sub-card{background:var(--grad-brand);border-radius:var(--r-l);padding:22px;color:#fff;box-shadow:var(--sh-2);}
.sub-card h3{color:#fff;font-size:16px;margin-bottom:8px;}
.sub-card p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.82);margin:0 0 16px;}

.doc-block{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);padding:34px;box-shadow:var(--sh-1);margin-bottom:24px;transition:box-shadow .22s ease,transform .22s ease;}
.doc-block:hover{box-shadow:var(--sh-2);}
.doc-block:last-child{margin-bottom:0;}
.doc-block h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:16px;padding-left:14px;position:relative;}
.doc-block h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:.95em;border-radius:3px;background:var(--c-star);}
.doc-block h3{font-size:19px;line-height:1.45;margin:26px 0 10px;color:var(--c-primary);}
.doc-block p{margin:0 0 1.15em;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}
.doc-block p:last-child{margin-bottom:0;}

.check-list{list-style:none;display:grid;gap:12px;margin:6px 0 0;}
.check-list li{position:relative;padding-left:32px;font-size:15px;line-height:1.75;color:var(--c-ink-2);}
.check-list li::before{content:"";position:absolute;left:0;top:.34em;width:18px;height:18px;border-radius:50%;background:var(--c-accent-soft);border:1px solid rgba(33,199,184,.5);}
.check-list li::after{content:"";position:absolute;left:6px;top:.62em;width:5px;height:9px;border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);transform:rotate(45deg);}

.figure-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:26px;}
.figure-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.figure-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure-card .fig-body{padding:18px 20px 22px;}
.figure-card h4{font-size:16.5px;margin-bottom:8px;}
.figure-card p{margin:0;font-size:14px;line-height:1.8;color:var(--c-ink-3);}

.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.stat-badge{display:inline-flex;align-items:baseline;gap:9px;padding:12px 20px;border-radius:var(--r-pill);background:var(--c-primary-soft);border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);}
.stat-badge b{font-size:24px;font-weight:700;color:var(--c-primary);line-height:1;font-variant-numeric:tabular-nums;}
.stat-badge.is-star b{color:#C87A0A;}

.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px;}
.mini-card{border:1px solid var(--c-line);border-radius:var(--r-m);padding:18px 20px;background:#fff;}
.mini-card h4{font-size:15.5px;margin-bottom:6px;}
.mini-card p{margin:0;font-size:14px;line-height:1.8;color:var(--c-ink-3);}

.notice{display:flex;gap:12px;align-items:flex-start;background:var(--c-accent-soft);border-left:4px solid var(--c-accent);border-radius:var(--r-m);padding:16px 20px;margin-top:24px;font-size:14.5px;line-height:1.8;color:#16544E;}
.notice svg{flex:none;margin-top:3px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item:hover{border-color:#CFC9EC;}
.faq-item[open]{box-shadow:var(--sh-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--c-primary);transition:transform .2s ease;flex:none;}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-brand);border-radius:var(--r-xl);
  padding:52px;color:#fff;box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
}
.cta-card::before{content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(33,199,184,.35),rgba(33,199,184,0) 68%);}
.cta-card h2{color:#fff;font-size:clamp(24px,3.2vw,34px);line-height:1.32;position:relative;z-index:1;}
.cta-card p{margin:14px 0 0;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:56ch;position:relative;z-index:1;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;position:relative;z-index:1;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);margin-top:96px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-star);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.35fr;gap:40px;padding:64px 0 44px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.64);max-width:38ch;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact svg{flex:none;margin-top:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.66);}
.footer-bottom a:hover{color:var(--c-accent);}
.footer-social{display:flex;align-items:center;gap:12px;}
.footer-social a{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:background-color .2s ease,transform .2s ease;}
.footer-social a:hover{background:rgba(33,199,184,.28);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--sp-section:72px;}
  .container{padding:0 24px;}
  .hero-inner{padding:50px 40px 44px;}
  .split{gap:28px;}
}
@media (max-width:1024px){
  .nav-links{
    position:fixed;inset:0;z-index:70;
    background:#fff;flex-direction:column;align-items:stretch;
    margin:0;padding:88px 20px 36px;gap:0;
    transform:translateX(100%);transition:transform .28s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:none;}
  .nav-link{padding:17px 8px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:16px;}
  .nav-link:hover{background:transparent;}
  .nav-link.active{color:var(--c-primary);}
  .nav-link.active::after{left:8px;right:auto;width:46px;bottom:10px;}
  .nav-toggle{display:flex;margin-left:auto;order:3;}
  .nav-cta{display:none;}
  .split{grid-template-columns:1fr;}
  .side-panel{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:40px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  .container{padding:0 18px;}
  .topbar .container{justify-content:center;}
  .topbar-right a{padding:0 10px;font-size:12px;}
  .topbar-right a:nth-child(3){display:none;}
  .nav-inner{gap:12px;height:64px;}
  .brand-name{font-size:16px;}
  .page-hero{margin-top:20px;border-radius:var(--r-l);}
  .hero-inner{padding:36px 22px 34px;}
  .hero-actions .btn{width:100%;}
  .figure-row,.mini-grid{grid-template-columns:1fr;}
  .doc-block{padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:560px){
  .page-title{font-size:28px;}
  .hero-lead{font-size:15px;}
  .fact-pill{padding:8px 14px;}
  .fact-pill b{font-size:19px;}
  .stat-badge{width:100%;justify-content:flex-start;}
  .chip{height:36px;font-size:13px;padding:0 14px;}
  .btn{height:48px;padding:0 20px;font-size:14.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-success:#1FA97A;
  --c-warn:#E9A020;
  --c-error:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--c-ink-2);
  background:var(--c-bg);
  letter-spacing:.02em;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.22}
h2{font-size:clamp(24px,3.2vw,36px)}
h3{font-size:21px;line-height:1.45;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:#6A4FD0}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(33,199,184,.45);outline-offset:2px;border-radius:6px}
.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}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.8);font-size:13px;height:36px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left svg{flex:none}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none}
.topbar-links a{color:rgba(255,255,255,.8);position:relative}
.topbar-links a:hover{color:#fff}
.topbar-links a + a::before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:1px;height:12px;background:rgba(255,255,255,.3)}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;flex:none}
.brand:hover{color:var(--c-primary)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:var(--sh-1);flex:none}
.brand-name{font-size:18px;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:10px 12px;border-radius:var(--r-s);font-size:15px;color:var(--c-ink-2);white-space:nowrap}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;background:var(--grad-star)}
.nav-cta{height:44px;padding:0 22px;font-size:15px;flex:none}
.nav-drawer-cta{display:none}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-s);border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;flex:none;position:relative;z-index:80}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s ease,top .22s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮体系 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;letter-spacing:.02em;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,filter .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line)}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-more svg{transition:transform .2s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 页头 ============ */
main{display:block;padding-bottom:96px}
.page-head{position:relative;margin-top:28px;border-radius:var(--r-xl);overflow:hidden;background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3)}
.page-head-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.32}
.page-head-mask{position:absolute;inset:0;background:linear-gradient(135deg,rgba(36,27,88,.94) 0%,rgba(59,44,134,.78) 55%,rgba(106,79,208,.66) 100%)}
.page-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr .9fr;gap:40px;align-items:center;padding:56px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff}
.page-head h1{color:#fff;margin-bottom:16px}
.page-head h1 em{font-style:normal;color:var(--c-star)}
.page-lead{max-width:640px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.84)}
.page-head-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.page-head-cta{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);border-radius:var(--r-l);padding:28px;backdrop-filter:blur(6px)}
.ph-cta-title{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.ph-cta-text{font-size:14px;line-height:1.75;color:rgba(255,255,255,.8);margin-bottom:20px}
.ph-cta-btns{display:flex;flex-direction:column;gap:12px}
.ph-cta-btns .btn{width:100%}
.ph-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.66);font-variant-numeric:tabular-nums}

/* ============ 板块 ============ */
.section{padding:64px 0}
.section-head{max-width:780px;margin-bottom:34px}
.section-title{position:relative;padding-left:18px;margin-bottom:14px}
.section-title::before{content:"";position:absolute;left:0;top:.16em;width:3px;height:.92em;border-radius:3px;background:var(--c-star)}
.section-desc{font-size:15px;line-height:1.85;color:var(--c-ink-3)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head-row .section-head{margin-bottom:0}

/* ============ 数据徽章 / 统计 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
.stat-num b{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.1}
.stat-num span{font-size:13px;color:var(--c-star);font-weight:600}
.stat-label{margin-top:8px;font-size:13px;color:var(--c-ink-3);line-height:1.7}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:600}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-star)}

/* ============ 对比表格 ============ */
.table-scroll{position:relative;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-l);background:var(--c-surface);box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch}
.table-scroll::after{content:"";position:absolute;top:0;right:0;bottom:0;width:36px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(36,27,88,.08))}
.compare-table{width:100%;min-width:860px;border-collapse:collapse;font-size:14.5px}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--c-line);vertical-align:middle}
.compare-table thead th{background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;border-bottom:0}
.compare-table tbody tr{transition:background-color .18s ease}
.compare-table tbody tr:nth-child(even){background:#FBFAFE}
.compare-table tbody tr:hover{background:var(--c-primary-soft)}
.compare-table td:first-child{font-weight:700;color:var(--c-ink);white-space:nowrap}
.compare-table tbody tr:last-child td{border-bottom:0}
.td-num{font-variant-numeric:tabular-nums;color:var(--c-ink-2)}
.td-tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:#0F8C81;font-size:12px;font-weight:600}

/* ============ 卡片组 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.p-card{position:relative;display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.p-card-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.p-card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.p-card:hover .p-card-figure img{transform:scale(1.04)}
.p-card-tag{position:absolute;left:14px;top:14px;height:28px;padding:0 12px;display:inline-flex;align-items:center;border-radius:var(--r-pill);background:var(--c-star);color:#3A2400;font-size:12px;font-weight:700}
.p-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.p-card-body h3{font-size:19px}
.p-card-body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.p-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.ck-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.ck-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.ck-list svg{flex:none;margin-top:5px}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);padding:0 20px;box-shadow:var(--sh-1);transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;font-size:16px;font-weight:600;color:var(--c-ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;transition:transform .2s ease,background-color .2s ease,color .2s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--grad-star);color:#0B3B38}
.faq-body{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);max-width:780px}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3);padding:52px}
.cta-band-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.22}
.cta-band-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(26,20,64,.86),rgba(59,44,134,.7))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.85;max-width:560px}
.cta-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
.cta-points li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:rgba(255,255,255,.86)}
.cta-points svg{flex:none;margin-top:5px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}
.cta-phone{font-size:14px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums;text-align:center}
.cta-phone strong{color:var(--c-star);font-size:18px;letter-spacing:.02em}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-footer);color:rgba(255,255,255,.72);font-size:14px;padding-top:64px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-star)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact svg{flex:none;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-mini{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-mini a{color:rgba(255,255,255,.66)}
.footer-mini a:hover{color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 24px}
  .page-head-inner{padding:48px}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:88px 24px 32px;
    background:var(--c-surface);
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:70;
    box-shadow:var(--sh-3);
  }
  body.nav-open .nav-links{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .nav-link{min-height:52px;padding:0 4px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:16px}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--c-primary);font-weight:700}
  .nav-drawer-cta{display:inline-flex;margin-top:24px;width:100%}
  .nav-drawer-link{display:block;margin-top:16px;font-size:14px;color:var(--c-ink-3);text-align:center}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .page-head-inner{grid-template-columns:1fr;gap:28px;padding:44px 36px}
  .page-lead{max-width:none}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{width:auto;flex:1 1 200px}
  .cta-phone{text-align:left}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .topbar{height:auto;padding:8px 0}
  .topbar-inner{height:auto;flex-direction:column;align-items:flex-start;gap:6px}
  .topbar-links{gap:14px;flex-wrap:wrap}
  .topbar-links a + a::before{display:none}
  .card-grid{grid-template-columns:1fr}
  .page-head{margin-top:20px;border-radius:var(--r-l)}
  .page-head-inner{padding:32px 24px}
  .page-head-actions .btn{width:100%}
  .stat-row{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--r-l)}
  .cta-points{grid-template-columns:1fr}
  .compare-table{min-width:720px}
  .compare-table th,.compare-table td{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  main{padding-bottom:64px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .brand-name{font-size:16px}
  .nav-inner{gap:12px;height:64px}
  .btn{height:48px;padding:0 20px;width:100%}
  .page-head-cta{padding:22px}
  .section{padding:48px 0}
  .section-head-row{flex-direction:column;align-items:flex-start}
  .compare-table{min-width:640px;font-size:13.5px}
  .p-card-body{padding:20px}
}

/* roulang page: category4 */
:root{
  --c-primary:#3B2C86;
  --c-primary-deep:#241B58;
  --c-primary-soft:#EDEAFB;
  --c-accent:#21C7B8;
  --c-accent-soft:#E2F8F5;
  --c-star:#FFB43C;
  --c-ink:#171534;
  --c-ink-2:#4A4767;
  --c-ink-3:#7B7894;
  --c-line:#E4E1F2;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-footer:#1A1440;
  --c-success:#1FA97A;
  --c-warn:#E9A020;
  --c-error:#E2453C;
  --grad-brand:linear-gradient(135deg,#241B58 0%,#3B2C86 48%,#6A4FD0 100%);
  --grad-star:linear-gradient(120deg,#21C7B8,#5AD8FF);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,27,88,.06);
  --sh-2:0 12px 32px rgba(36,27,88,.10);
  --sh-3:0 24px 60px rgba(36,27,88,.16);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,5vw,54px);line-height:1.22;font-weight:700}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.3;font-weight:700}
h3{font-size:clamp(19px,2vw,23px);line-height:1.45;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
li{list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(33,199,184,.45);outline-offset:2px;border-radius:4px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{margin:0;color:var(--c-ink-2)}
.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)}
.title-bar{display:inline-block;padding-left:14px;position:relative}
.title-bar::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-40%);
  width:3px;height:18px;border-radius:2px;background:var(--c-star);
}

/* 顶部信息条 */
.topbar{background:var(--grad-brand);color:rgba(255,255,255,.88);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left svg{flex:0 0 auto}
.topbar-right{display:flex;align-items:center;gap:0}
.topbar-right a,.topbar-right span{color:rgba(255,255,255,.88);padding:0 14px;font-size:13px;white-space:nowrap}
.topbar-right a+a,.topbar-right span+span{border-left:1px solid rgba(255,255,255,.22)}
.topbar-right a:hover{color:#fff}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-name{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-s);
  font-size:15px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad-star);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-s);
  border:1px solid var(--c-line);margin-left:auto;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:.2s ease;
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  display:none;position:fixed;inset:72px 0 0;z-index:55;background:var(--c-surface);
  padding:12px 18px 28px;overflow-y:auto;
}
.drawer.open{display:block}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer a.active{color:var(--c-primary);font-weight:600}
.drawer .drawer-cta{margin-top:22px}
.drawer .drawer-cta a{border-bottom:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-line)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:#fff}

/* 页头 */
.page-hero{background:var(--grad-brand);color:#fff;padding:56px 0 72px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:26px 26px;
}
.page-hero .container{position:relative;z-index:2}
.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.page-hero h1{color:#fff;margin-bottom:16px}
.page-hero .lead{font-size:17px;color:rgba(255,255,255,.86);max-width:520px;margin-bottom:28px}
.page-hero .eyebrow{background:rgba(255,255,255,.14);color:#fff}
.page-hero .eyebrow::before{background:var(--c-star)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.page-hero-media{
  margin:0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
  aspect-ratio:4/3;border:1px solid rgba(255,255,255,.18);
}
.page-hero-media img{width:100%;height:100%;object-fit:cover}

/* 数据徽章 */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
}
.badge .num{font-size:22px;font-weight:700;color:var(--c-star);font-variant-numeric:tabular-nums}
.badge .txt{font-size:13px;color:rgba(255,255,255,.85)}
.badge-light{background:var(--c-primary-soft);border-color:transparent}
.badge-light .num{color:var(--c-primary)}
.badge-light .txt{color:var(--c-ink-2)}

/* 提示条 */
.notice-bar{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:20px 26px;box-shadow:var(--sh-1);display:flex;gap:16px;align-items:flex-start;
  margin-top:-42px;position:relative;z-index:5;
}
.notice-bar i{color:var(--c-accent);font-size:18px;margin-top:4px}
.notice-bar p{margin:0;font-size:15px;color:var(--c-ink-2)}
.notice-bar strong{color:var(--c-ink)}

/* 步骤时间线 */
.timeline{position:relative;padding-left:76px}
.timeline::before{
  content:"";position:absolute;left:21px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-accent),var(--c-primary));
  border-radius:2px;
}
.timeline-item{position:relative;margin-bottom:36px}
.timeline-item:last-child{margin-bottom:0}
.timeline-node{
  position:absolute;left:-76px;top:0;width:44px;height:44px;border-radius:50%;
  background:var(--grad-star);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(33,199,184,.32);font-variant-numeric:tabular-nums;
}
.timeline-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:26px 28px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.timeline-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.timeline-card h3{margin-bottom:10px}
.timeline-card p{margin-bottom:14px;font-size:15px;color:var(--c-ink-2)}
.timeline-meta{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);
  background:var(--c-accent-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;
}
.timeline-meta i{color:var(--c-accent)}

/* 勾选列表 */
.check-list{display:grid;gap:10px;margin-top:6px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.check-list svg{flex:0 0 auto;margin-top:6px}

/* 图文卡 */
.media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.media-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.media-card .thumb{aspect-ratio:16/9;overflow:hidden}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.media-card:hover .thumb img{transform:scale(1.04)}
.media-card .body{padding:24px 26px 28px}
.media-card h3{margin-bottom:10px}
.media-card p{margin:0;font-size:15px}

/* 提示小卡组 */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.tip-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tip-card .tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-s);padding:4px 10px;margin-bottom:14px;
}
.tip-card h4{margin-bottom:8px}
.tip-card p{margin:0;font-size:14.5px}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;transition:transform .2s ease,background-color .2s ease;
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:12px;height:2px}
.faq-item summary .plus::after{width:2px;height:12px;transition:transform .2s ease}
.faq-item[open] summary .plus{transform:rotate(180deg);background:var(--c-primary-soft)}
.faq-item[open] summary .plus::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}
.faq-body p:last-child{margin-bottom:0}

/* CTA 与表单 */
.cta-section{padding:0 0 var(--sp-section)}
.cta-card{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:56px;
  box-shadow:var(--sh-3);display:grid;grid-template-columns:1fr 1fr;gap:48px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-left{position:relative;z-index:2}
.cta-left h2{color:#fff;margin-bottom:14px}
.cta-left>p{color:rgba(255,255,255,.86);margin-bottom:24px}
.guard-list{display:grid;gap:14px;margin-bottom:26px}
.guard-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.92)}
.guard-list i{color:var(--c-star);margin-top:5px}
.qr-box{
  display:flex;gap:16px;align-items:center;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);border-radius:var(--r-m);padding:16px;
}
.qr-box .qr-img{
  width:96px;height:96px;border-radius:var(--r-s);overflow:hidden;flex:0 0 auto;background:#fff;
}
.qr-box .qr-img img{width:100%;height:100%;object-fit:cover}
.qr-box p{margin:0;font-size:13.5px;color:rgba(255,255,255,.86);line-height:1.7}
.form-card{
  background:var(--c-surface);border-radius:var(--r-l);padding:30px;
  position:relative;z-index:2;box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;margin-bottom:18px;color:var(--c-ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-s);
  border:1px solid var(--c-line);background:#FBFAFF;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:#fff;
  box-shadow:0 0 0 3px rgba(33,199,184,.25);
}
.field.has-error input,.field.has-error select{border-color:var(--c-error)}
.field .err{display:none;font-size:13px;color:var(--c-error);margin-top:6px}
.field.has-error .err{display:block}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-ink-2);margin-bottom:18px}
.check-line input{width:16px;height:16px;margin-top:5px;accent-color:var(--c-primary);flex:0 0 auto}
.form-note{font-size:13px;color:var(--c-ink-3);margin:12px 0 0;text-align:center}
.form-success{display:none;text-align:center;padding:28px 8px}
.form-success.show{display:block}
.form-success i{font-size:38px;color:var(--c-success);margin-bottom:12px;display:block}
.form-success h4{margin-bottom:8px}
.form-success p{margin:0;font-size:14.5px;color:var(--c-ink-2)}

/* 页脚 */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding-top:2px;position:relative}
.site-footer::before{content:"";display:block;height:2px;background:var(--grad-star)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:18px 0 0;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-contact svg{flex:0 0 auto;margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}

/* 空态与加载 */
.empty-state{text-align:center;padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-l)}
.empty-state i{font-size:34px;color:var(--c-ink-3);margin-bottom:14px;display:block}
.empty-state p{margin-bottom:18px;color:var(--c-ink-3)}
.skeleton{background:linear-gradient(90deg,#EFEDF8 25%,#E4E1F2 37%,#EFEDF8 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:var(--r-s)}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* 响应式 */
@media (max-width:1200px){
  :root{--sp-section:72px}
  .container{padding:0 24px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .page-hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero-media{max-width:560px}
  .cta-card{grid-template-columns:1fr;padding:40px 32px}
  .tip-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-header{position:sticky}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  .topbar .topbar-right{display:none}
  .page-hero{padding:36px 0 56px}
  .badge-row{gap:10px}
  .badge{padding:8px 14px}
  .badge .num{font-size:19px}
  .media-grid{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr}
  .timeline{padding-left:60px}
  .timeline::before{left:17px}
  .timeline-node{left:-60px;width:36px;height:36px;font-size:13.5px}
  .timeline-card{padding:22px 20px}
  .notice-bar{margin-top:-30px;padding:18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 36px}
  .cta-card{padding:32px 22px;border-radius:var(--r-l)}
  .form-card{padding:24px 20px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:560px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:0 20px}
  .form-card .btn{width:100%}
  .page-hero-media{aspect-ratio:16/10}
  .faq-item summary{font-size:15px;padding:14px 16px}
  .faq-body{padding:0 16px 18px}
}