/* roulang page: index */
:root{
  --brand:#1462D6;
  --brand-dark:#0F4EAC;
  --brand-soft:#E8F1FF;
  --accent:#FF7A45;
  --mint:#2AA79B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --line-strong:#D9E3F0;
  --text:#1B2430;
  --muted:#5A6B7F;
  --error:#D93A3A;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(20,98,214,.06);
  --shadow-2:0 10px 28px rgba(20,98,214,.12);
  --sec-y:96px;
  --gap:28px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--brand-dark);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(20,98,214,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.sec{padding:var(--sec-y) 0;}
.sec-tight{padding:64px 0;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 公告条 ============ */
.notice-bar{
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  min-height:36px;
}
.notice-inner{
  display:flex;align-items:center;gap:12px;
  min-height:36px;
  font-size:13.5px;color:var(--brand-dark);line-height:1.5;
}
.notice-inner .notice-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.notice-inner .notice-tag{
  background:var(--brand);color:#fff;border-radius:999px;
  font-size:12px;padding:2px 10px;flex:0 0 auto;
}
.notice-close{
  flex:0 0 auto;background:transparent;border:0;color:var(--brand-dark);
  font-size:16px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:6px;
}
.notice-close:hover{background:rgba(20,98,214,.12);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,98,214,.08);}
.nav-row{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  box-shadow:0 4px 12px rgba(20,98,214,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16.5px;font-weight:700;letter-spacing:.2px;color:var(--text);}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.6px;}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin:0 auto 0 8px;padding:0;list-style:none;
}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:14.5px;color:var(--text);border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transition:left .18s ease,right .18s ease;
}
.nav-links a:hover::after{left:12px;right:12px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{left:12px;right:12px;}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;
  background:#F1F5FB;border:1px solid var(--line-strong);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;height:36px;width:132px;
  font-size:14px;color:var(--text);outline:none;
}
.search-box:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,98,214,.14);
}
.link-btn{
  font-size:14.5px;color:var(--text);padding:8px 10px;border-radius:8px;
}
.link-btn:hover{color:var(--brand);background:var(--brand-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(20,98,214,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,98,214,.28);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.26);}
.btn-accent:hover{background:#F06428;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.3);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(20,98,214,.45);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:12px 24px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:var(--text);
  border-bottom:1px dashed var(--line);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--brand);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 1px 1px, rgba(20,98,214,.14) 1px, transparent 0) 0 0/22px 22px,
    linear-gradient(180deg,#FBFDFF 0%,var(--bg) 100%);
  padding:76px 0 84px;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.badge i{font-size:11px;}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;font-weight:700;
  margin:20px 0 16px;
  letter-spacing:-.4px;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--muted);
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  padding-top:20px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--muted);
}
.trust-row span{display:inline-flex;align-items:center;gap:7px;}
.trust-row i{color:var(--mint);font-size:12px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:16/11;background:#DCE7F6;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-corner{
  position:absolute;left:18px;bottom:18px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);
  padding:12px 16px;min-width:180px;
}
.hero-corner b{display:block;font-size:14.5px;color:var(--text);}
.hero-corner span{font-size:12.5px;color:var(--muted);}
.hero-corner em{font-style:normal;color:var(--mint);font-weight:700;}

/* ============ 通用标题 ============ */
.sec-head{margin-bottom:40px;max-width:720px;}
.sec-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:650;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 三步上手 ============ */
.steps{
  position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
}
.steps::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 10px,transparent 10px 18px);
}
.step{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 28px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(20,98,214,.3);}
.step-no{
  position:relative;z-index:1;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  font-weight:700;font-size:16px;margin-bottom:18px;
}
.step h3{font-size:19px;font-weight:650;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.step-icon{position:absolute;top:30px;right:26px;color:var(--line-strong);font-size:20px;}

/* ============ 案例证明 ============ */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:start;}
.proof-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.proof-main:hover{box-shadow:var(--shadow-2);border-color:rgba(20,98,214,.3);}
.proof-main figure{margin:0;aspect-ratio:16/9;background:#DCE7F6;}
.proof-main figure img{width:100%;height:100%;object-fit:cover;}
.proof-main .proof-body{padding:26px 26px 28px;}
.proof-main h3{font-size:21px;font-weight:650;margin-bottom:10px;}
.proof-main p{color:var(--muted);font-size:15px;}
.quote-list{display:grid;gap:18px;}
.quote{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--mint);
  border-radius:var(--radius-card);padding:22px 22px 20px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.quote:hover{box-shadow:var(--shadow-2);}
.quote p{font-size:14.8px;color:var(--text);}
.quote footer{margin-top:14px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.quote footer i{color:var(--brand);}
.stat-bar{
  margin-top:36px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.stat{background:#fff;padding:24px 20px;}
.stat b{display:block;font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat b em{font-style:normal;font-size:14px;color:var(--muted);margin-left:3px;font-weight:500;}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ============ 资讯列表 ============ */
.news-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:start;}
.news-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.card:hover{box-shadow:var(--shadow-2);border-color:rgba(20,98,214,.3);transform:translateY(-2px);}
.card-figure{position:relative;margin:0;aspect-ratio:4/3;background:#DCE7F6;}
.card-figure img{width:100%;height:100%;object-fit:cover;}
.card-badge{
  position:absolute;top:12px;left:12px;
  background:rgba(42,167,155,.94);color:#fff;
  font-size:12px;padding:4px 11px;border-radius:999px;font-weight:600;
}
.card-body{padding:20px 22px 22px;}
.card h3{font-size:17.5px;font-weight:650;line-height:1.5;margin-bottom:9px;}
.card h3 a{color:var(--text);}
.card h3 a:hover{color:var(--brand);}
.card p{
  font-size:14.3px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.card-meta .more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-meta .more i{transition:transform .18s ease;font-size:11px;}
.card:hover .card-meta .more i{transform:translateX(3px);}
.news-big .card-figure{aspect-ratio:16/9;}
.news-big .card-body{padding:26px 28px 28px;}
.news-big h3{font-size:22px;}
.news-list{display:grid;gap:18px;}
.news-mini{display:grid;grid-template-columns:132px 1fr;gap:0;}
.news-mini .card-figure{aspect-ratio:4/3;height:100%;}
.news-mini .card-body{padding:18px 20px;}
.news-mini h3{font-size:16px;}
.news-mini .card-meta{margin-top:12px;padding-top:12px;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:#FBFDFF;padding:56px 26px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--line-strong);}
.empty-state p{margin:16px 0 18px;color:var(--muted);font-size:15px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side h2{font-size:clamp(23px,2.4vw,29px);line-height:1.35;font-weight:650;}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15px;}
.faq-side .faq-tip{
  margin-top:24px;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--brand-soft);border:1px solid rgba(20,98,214,.18);
  font-size:14px;color:var(--brand-dark);
}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(20,98,214,.3);box-shadow:var(--shadow-2);border-left:3px solid var(--brand);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding:16px 20px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA / 表单 ============ */
.cta-band{
  background:linear-gradient(180deg,#F1F7FF 0%,#E8F1FF 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.cta-copy h2{font-size:clamp(24px,2.7vw,32px);line-height:1.32;font-weight:650;}
.cta-copy p{margin-top:14px;color:#3B5A82;font-size:15.5px;max-width:460px;}
.cta-points{margin-top:24px;display:grid;gap:12px;padding:0;list-style:none;font-size:14.5px;color:#2C4A73;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;}
.cta-points i{color:var(--brand);margin-top:5px;font-size:13px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-2);padding:32px;
}
.form-card h3{font-size:19px;font-weight:650;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field input,.field textarea{
  width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-input);
  background:#FBFDFF;padding:12px 14px;font-size:15px;color:var(--text);
  font-family:inherit;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:92px;resize:vertical;}
.field input:focus,.field textarea:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,98,214,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#9AAABD;}
.form-card .btn{width:100%;margin-top:6px;}
.form-foot{margin-top:14px;font-size:13px;color:var(--muted);text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:#F2F5FA;border-top:1px solid var(--line);}
.footer-grid{
  display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .brand-text b{font-size:17px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);max-width:300px;}
.footer-col h4{font-size:15px;font-weight:650;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:14px;color:var(--muted);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .proof-grid,.news-layout,.cta-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .nav-links,.search-box{display:none;}
  .nav-toggle{display:flex;}
  .nav-row{height:60px;gap:12px;}
  .brand-text span{display:none;}
  .nav-tools .link-btn{display:none;}
}
@media (max-width:768px){
  :root{--sec-y:64px;--gap:20px;}
  .container{padding:0 20px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .steps::before{display:none;}
  .step{padding-left:26px;}
  .step::before{
    content:"";position:absolute;left:14px;top:60px;bottom:-16px;width:1px;
    background:var(--line-strong);
  }
  .step:last-child::before{display:none;}
  .news-mini{grid-template-columns:1fr;}
  .news-mini .card-figure{aspect-ratio:16/9;}
  .hero-corner{position:static;margin-top:-40px;margin-left:16px;display:inline-block;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:52px 0 32px;}
  .form-card{padding:24px;}
}
@media (max-width:520px){
  .hero{padding:52px 0 60px;}
  .hero-actions .btn{width:100%;}
  .stat-bar{grid-template-columns:1fr;}
  .cta-grid{gap:32px;}
  .sec-head h2{font-size:22px;}
  .card-body{padding:18px;}
  .news-big .card-body{padding:20px;}
}

/* roulang page: article */
:root{
  --primary:#1462D6;
  --primary-dark:#0F4EAC;
  --primary-soft:#E8F1FF;
  --accent:#FF7A45;
  --teal:#2AA79B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --text:#1B2430;
  --muted:#5A6B7F;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-card:0 2px 8px rgba(20,98,214,.06);
  --shadow-hover:0 10px 28px rgba(20,98,214,.12);
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:3px solid rgba(20,98,214,.35);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ===== 顶栏公告 ===== */
.topbar{background:var(--primary-dark);color:#fff;font-size:14px;line-height:36px}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:12px;position:relative}
.topbar-inner p{margin:0;display:flex;align-items:center;gap:8px}
.topbar-inner i{color:#FFD7C4}
.topbar-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:8px;color:rgba(255,255,255,.7);display:grid;place-items:center;transition:.18s ease}
.topbar-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,98,214,.08)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text);white-space:nowrap;flex:none}
.logo:hover{color:var(--primary)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;flex:none;box-shadow:0 4px 10px rgba(20,98,214,.25)}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{position:relative;display:block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);border-radius:8px}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;border-radius:2px;background:var(--primary);transform:translateX(-50%);transition:width .2s ease}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{width:calc(100% - 28px)}
.nav-links a.active{color:var(--primary);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.search-box{display:flex;align-items:center;gap:8px;height:40px;width:196px;padding:0 12px;background:#F2F5FA;border:1px solid transparent;border-radius:10px;transition:.18s ease}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,98,214,.12)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#9AAABF}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);transition:.18s ease}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .18s ease;white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(20,98,214,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,98,214,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(20,98,214,.24)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#C9DCF7}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(255,122,69,.26)}
.btn-accent:hover{background:#F0682F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,69,.3)}
.btn-line{background:transparent;color:var(--primary);padding:0 4px;height:auto;border-radius:2px;border-bottom:2px solid rgba(20,98,214,.35)}
.btn-line:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;line-height:1}
.badge-teal{background:rgba(42,167,155,.12);color:#1F8A80}
.badge-accent{background:rgba(255,122,69,.12);color:#D9552A}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:22px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CFDF}
.breadcrumb .current{color:var(--text);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头部 ===== */
.article-head{padding:20px 0 34px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(27px,3.6vw,40px);line-height:1.32;font-weight:700;letter-spacing:-.01em;margin:16px 0 18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--muted)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--primary);font-size:13px}
.meta-row .share{margin-left:auto;display:inline-flex;align-items:center;gap:10px}
.meta-row .share a{width:30px;height:30px;border-radius:9px;background:#F2F5FA;color:var(--muted);display:grid;place-items:center;font-size:13px;transition:.18s ease}
.meta-row .share a:hover{background:var(--primary-soft);color:var(--primary)}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:44px 0 0}
.toc-side{display:none}
.toc-inner{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 18px 14px;box-shadow:var(--shadow-card)}
.toc-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title i{color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.toc-link{display:block;padding:7px 10px;font-size:14px;line-height:1.5;color:var(--muted);border-radius:8px;border-left:2px solid transparent;transition:.16s ease}
.toc-link:hover{background:#F5F8FD;color:var(--primary)}
.toc-link.is-active{color:var(--primary);font-weight:600;background:var(--primary-soft);border-left-color:var(--primary)}
.toc-link-sub{padding-left:22px;font-size:13px}
.article-main{max-width:760px;width:100%;min-width:0}

/* ===== 正文排版 ===== */
.article-body{font-size:16px;line-height:1.9;color:#26313F;overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;line-height:1.45;font-weight:650;color:var(--text);margin:2em 0 .85em;padding-left:16px;scroll-margin-top:100px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--primary)}
.article-body h3{font-size:19px;font-weight:650;color:var(--text);margin:1.7em 0 .6em;scroll-margin-top:100px}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul>li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-bottom:.55em;padding-left:4px}
.article-body ol>li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{margin:1.5em 0;padding:16px 22px;background:var(--primary-soft);border-left:3px solid var(--primary);border-radius:0 10px 10px 0;color:#29415F;font-size:15.5px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,98,214,.28)}
.article-body a:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}
.article-body img{border-radius:12px;margin:1.5em 0;width:100%}
.article-body figure{margin:1.5em 0}
.article-body figure img{margin-bottom:8px}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;line-height:1.7}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body strong{font-weight:650;color:#101A26}
.article-body code{background:#F2F5FA;padding:2px 6px;border-radius:6px;font-size:.92em;color:#B4431C}

/* ===== 空态 ===== */
.empty-state{text-align:center;padding:60px 24px;background:#fff;border:1px dashed #C4D9F6;border-radius:var(--radius-card)}
.empty-state i{font-size:38px;color:#B7CDEB;margin-bottom:16px;display:block}
.empty-state h2{font-size:20px;font-weight:650;margin-bottom:10px;color:var(--text)}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ===== 相关推荐 ===== */
.related{padding:var(--section-y) 0 0}
.section-head{margin-bottom:30px}
.section-head h2{font-size:26px;font-weight:650;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(20,98,214,.3)}
.rcard .thumb{aspect-ratio:4/3;overflow:hidden;background:#EEF3FA}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rcard:hover .thumb img{transform:scale(1.05)}
.rc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rc-body h3{font-size:16px;line-height:1.55;font-weight:600;color:var(--text)}
.rcard:hover .rc-body h3{color:var(--primary)}
.rc-body p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rc-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:12px}
.rc-meta i{color:var(--teal);margin-right:5px}

/* ===== 返回条 ===== */
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.back-row p{font-size:14px;color:var(--muted);margin:0}

/* ===== 内链区 ===== */
.linkzone{margin-top:var(--section-y);background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px 34px;box-shadow:var(--shadow-card)}
.linkzone h2{font-size:19px;font-weight:650;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.linkzone h2 i{color:var(--primary)}
.linkzone ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px}
.linkzone li a{font-size:15px;color:var(--muted);border-bottom:1px solid transparent;transition:.16s ease}
.linkzone li a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.linkzone li a::before{content:"›";color:var(--accent);margin-right:8px;font-weight:700}

/* ===== 底部 CTA ===== */
.cta-band{margin-top:var(--section-y);background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow-card)}
.cta-band h2{font-size:23px;font-weight:650;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:#F2F5FA;border-top:1px solid var(--line);margin-top:88px;padding:48px 0 0}
.footer-note{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 20px;color:var(--muted);font-size:14px}
.footer-note i{width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:13px;flex:none}
.footer-cols{display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.2fr;gap:36px;padding:44px 0 34px}
.footer-col h3{font-size:15px;font-weight:650;color:var(--text);margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--muted);margin:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:700;font-size:17px;color:var(--text)}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:9px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--muted)}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted)}
.footer-bottom-inner p{margin:0}

/* ===== 响应式 ===== */
@media (min-width:1025px){
  .article-layout{grid-template-columns:236px minmax(0,1fr)}
  .toc-side{display:block}
}
@media (max-width:1024px){
  :root{--section-y:72px}
  .wrap{padding:0 22px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:30px 28px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;order:3}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto;gap:10px}
  .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(20,98,214,.1);padding:10px 22px 18px;margin:0}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px 10px;border-radius:9px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--primary-soft)}
  .search-box{display:none}
}
@media (max-width:640px){
  :root{--section-y:56px}
  .wrap{padding:0 20px}
  .topbar{font-size:13px}
  .topbar-inner{justify-content:flex-start;padding-right:34px}
  .header-inner{min-height:60px;gap:12px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px}
  .logo-text small{display:none}
  .header-actions .btn{padding:0 14px;font-size:14px;height:38px}
  .breadcrumb .current{max-width:200px}
  .article-head{padding:14px 0 26px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .article-layout{gap:32px;padding:32px 0 0}
  .related-grid{grid-template-columns:1fr}
  .linkzone{padding:24px 22px}
  .linkzone ul{grid-template-columns:1fr}
  .cta-band{padding:26px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-cols{grid-template-columns:1fr;gap:28px;padding:34px 0 26px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .meta-row .share{margin-left:0}
}

/* roulang page: category1 */
:root{
  --brand:#1462D6;
  --brand-dark:#0F4EAC;
  --brand-soft:#E8F1FF;
  --accent:#FF7A45;
  --teal:#2AA79B;
  --teal-deep:#1E8A80;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --input-line:#D9E3F0;
  --text:#1B2430;
  --muted:#5A6B7F;
  --danger:#D93A3A;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-card:0 2px 8px rgba(20,98,214,.06);
  --shadow-card-hover:0 10px 28px rgba(20,98,214,.12);
  --shadow-header:0 4px 16px rgba(20,98,214,.10);
  --maxw:1200px;
  --gap:28px;
  --sec-y:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
ul:last-child,ol:last-child{margin-bottom:0;}
ul{list-style:none;padding-left:0;}
ol{list-style:none;padding-left:0;counter-reset:item;}
li{list-style:none;}
::selection{background:rgba(20,98,214,.18);}
:focus-visible{outline:3px solid rgba(20,98,214,.45);outline-offset:2px;border-radius:6px;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{
  width:100%;
  max-width:var(--maxw);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-wrap:wrap;}
.cell{min-width:0;}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--brand-soft);
  border-bottom:1px solid rgba(20,98,214,.12);
  font-size:14px;
  line-height:1.6;
}
.topbar-inner{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:4px;
  padding-bottom:4px;
}
.topbar-text{color:var(--brand-dark);display:inline-flex;align-items:center;gap:8px;}
.topbar-close{
  border:0;background:transparent;color:var(--brand-dark);
  width:26px;height:26px;border-radius:8px;cursor:pointer;font-size:13px;
  transition:background .18s ease,color .18s ease;
}
.topbar-close:hover{background:rgba(20,98,214,.12);}
.topbar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-header);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  position:relative;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:grid;place-items:center;
  font-size:14px;
  box-shadow:0 2px 8px rgba(20,98,214,.28);
  flex:0 0 auto;
}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.main-nav{min-width:0;}
.nav-links{display:flex;align-items:center;gap:4px;margin:0;padding:0;}
.nav-links li{margin:0;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,
.nav-links a.active::after{left:14px;right:14px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.header-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  background:#F2F5FA;
  border:1px solid transparent;
  border-radius:10px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.header-search i{color:var(--muted);font-size:13px;}
.header-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
  width:132px;
  font-family:inherit;
}
.header-search input::placeholder{color:#93A2B4;}
.header-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,98,214,.12);
}
.link-btn{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  padding:8px 6px;
  border-radius:8px;
  white-space:nowrap;
}
.link-btn:hover{color:var(--brand);}
.menu-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 4px 12px rgba(20,98,214,.22);
}
.btn-primary:hover{
  background:var(--brand-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(20,98,214,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px rgba(20,98,214,.24);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:rgba(20,98,214,.35);
}
.btn-ghost:hover{
  background:var(--brand-soft);
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-1px);
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 12px rgba(255,122,69,.26);
}
.btn-accent:hover{background:#F26830;color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1.4;
}
.badge-brand{background:rgba(20,98,214,.10);color:var(--brand);}
.badge-teal{background:rgba(42,167,155,.14);color:var(--teal-deep);}
.badge-accent{background:rgba(255,122,69,.14);color:#D3541F;}

/* ---------- 页头横幅 ---------- */
.page-head{
  position:relative;
  padding:52px 0 56px;
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(20,98,214,.16) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.55;
  pointer-events:none;
}
.page-head .grid-container{position:relative;z-index:1;}
.breadcrumb{margin-bottom:18px;}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  font-size:14px;
  color:var(--muted);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#B4C2D4;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.page-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  font-weight:700;
  max-width:900px;
  margin:16px 0 14px;
  letter-spacing:-.2px;
}
.page-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:760px;
  margin:0;
}
.page-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin-top:24px;
  font-size:14px;
  color:var(--muted);
}
.page-meta span{display:inline-flex;align-items:center;gap:8px;}
.page-meta i{color:var(--brand);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.32;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);margin:0;}

/* ---------- 目录 + 内容 ---------- */
.doc-layout{margin-left:-16px;margin-right:-16px;}
.doc-layout > .cell{
  padding-left:16px;
  padding-right:16px;
  margin-left:0;
  margin-right:0;
}
.doc-toc{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-card);
}
.toc-title{
  font-size:16px;
  font-weight:700;
  margin:0 0 16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.toc-title i{color:var(--brand);font-size:14px;}
.toc-list{margin:0;padding:0;counter-reset:toc;}
.toc-list li{counter-increment:toc;margin-bottom:4px;}
.toc-list a{
  display:block;
  padding:10px 12px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:15px;
  color:var(--muted);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);
  font-variant-numeric:tabular-nums;
  color:#A9B8CB;
  margin-right:10px;
  font-weight:600;
  font-size:13px;
}
.toc-list a:hover{
  background:var(--brand-soft);
  color:var(--brand);
  border-left-color:var(--brand);
}
.toc-tip{
  margin-top:18px;
  padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:13px;
  line-height:1.75;
  color:var(--muted);
}
.toc-tip strong{color:var(--text);}

.doc-block{margin-bottom:52px;scroll-margin-top:96px;}
.doc-block:last-child{margin-bottom:0;}
.doc-block h2{
  font-size:clamp(21px,2.2vw,25px);
  line-height:1.35;
  position:relative;
  padding-left:16px;
  margin-bottom:18px;
}
.doc-block h2::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--brand);
}
.doc-block h3{
  font-size:17px;
  font-weight:600;
  margin:26px 0 10px;
}
.doc-block p{color:#33404F;}
.pull-quote{
  margin:24px 0;
  padding:18px 20px;
  background:var(--brand-soft);
  border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;
  font-size:16px;
  color:var(--brand-dark);
  font-weight:500;
}
.doc-list{
  counter-reset:doc;
  margin:18px 0 0;
  padding:0;
}
.doc-list li{
  counter-increment:doc;
  position:relative;
  padding:0 0 0 40px;
  margin-bottom:14px;
  color:#33404F;
}
.doc-list li::before{
  content:counter(doc,decimal-leading-zero);
  position:absolute;
  left:0;top:2px;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.dot-list{margin:18px 0 0;padding:0;}
.dot-list li{
  position:relative;
  padding-left:20px;
  margin-bottom:12px;
  color:#33404F;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--teal);
}
.notice{
  display:flex;
  gap:12px;
  align-items:flex-start;
  margin:24px 0 0;
  padding:16px 18px;
  border:1px solid rgba(255,122,69,.28);
  background:rgba(255,122,69,.08);
  border-radius:12px;
  font-size:15px;
  color:#8C3C16;
}
.notice i{color:var(--accent);margin-top:4px;}

/* ---------- 条目卡 ---------- */
.entry-list{display:flex;flex-direction:column;gap:16px;margin-top:22px;}
.entry-card{
  display:flex;
  gap:18px;
  padding:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  color:inherit;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{
  transform:translateY(-2px);
  border-color:rgba(20,98,214,.30);
  box-shadow:var(--shadow-card-hover);
  color:inherit;
}
.entry-thumb{
  flex:0 0 168px;
  width:168px;
  aspect-ratio:4/3;
  border-radius:10px;
  overflow:hidden;
  background:#EEF3FB;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-body{min-width:0;display:flex;flex-direction:column;}
.entry-body h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--text);}
.entry-body p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:12px;}
.entry-link{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.entry-link i{font-size:11px;transition:transform .18s ease;}
.entry-card:hover .entry-link i{transform:translateX(3px);}

/* ---------- 双列信息卡 ---------- */
.info-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px;}
.info-card{
  padding:22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.info-card:hover{border-color:rgba(20,98,214,.28);box-shadow:var(--shadow-card-hover);}
.info-card h3{font-size:17px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.info-card h3 i{color:var(--teal);font-size:15px;}
.info-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- 数据条 ---------- */
.stat-band{
  margin-top:36px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-item{
  background:#fff;
  padding:26px 22px;
  transition:background .18s ease;
}
.stat-item:hover{background:#FAFCFF;}
.stat-num{
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.stat-num span{font-size:15px;font-weight:600;color:var(--muted);}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-layout{margin-left:-16px;margin-right:-16px;}
.faq-layout > .cell{padding-left:16px;padding-right:16px;margin-left:0;margin-right:0;}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(20,98,214,.28);box-shadow:var(--shadow-card);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 54px 16px 20px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item[open]{border-color:rgba(20,98,214,.30);}
.faq-item[open]::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--brand);
}
.faq-body{padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-body p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-soft);
  border:1px solid rgba(20,98,214,.16);
  border-radius:18px;
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:10px;}
.cta-band p{color:var(--muted);margin:0;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F2F5FA;
  border-top:1px solid var(--line);
  margin-top:var(--sec-y);
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin:0 0 16px;
  color:var(--text);
}
.footer-col ul{margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--muted);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--line);
  padding:18px 0 22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
}
.footer-bottom p{margin:0;}
.footer-note{display:inline-flex;align-items:center;gap:8px;}
.footer-note i{color:var(--teal);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .doc-toc{position:static;margin-bottom:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .header-inner{height:60px;gap:12px;}
  .menu-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;right:0;
    display:none;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-header);
    padding:12px 24px 18px;
  }
  .site-header.nav-open .main-nav{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-links a{padding:12px 12px;border-radius:8px;}
  .nav-links a::after{display:none;}
  .nav-links a:hover{background:var(--brand-soft);}
  .nav-links a.active{background:var(--brand-soft);}
  .header-search{display:none;}
  .brand-text{font-size:16px;}
}
@media (max-width:768px){
  :root{--sec-y:56px;}
  .page-head{padding:36px 0 40px;}
  .page-sub{font-size:16px;}
  .entry-card{flex-direction:column;}
  .entry-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .info-pair{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .btn{padding:12px 18px;font-size:14px;}
  .stat-band{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* roulang page: category2 */
:root{
  --brand:#1462D6;
  --brand-dark:#0F4EAC;
  --brand-light:#E8F1FF;
  --accent:#FF7A45;
  --teal:#2AA79B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --text:#1B2430;
  --text-2:#5A6B7F;
  --danger:#D93A3A;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --sh-card:0 2px 8px rgba(20,98,214,.06);
  --sh-hover:0 10px 28px rgba(20,98,214,.12);
  --sect:96px;
  --gap:28px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,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;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(20,98,214,.45);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:var(--brand-light);
  border-bottom:1px solid #D8E6FB;
  font-size:14px;
  line-height:1.7;
  color:var(--brand-dark);
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
}
.topbar .topbar-text{display:flex;align-items:center;gap:8px;}
.topbar .topbar-text i{color:var(--accent);}
.topbar-close{
  background:transparent;
  border:0;
  color:var(--brand-dark);
  font-size:15px;
  line-height:1;
  padding:6px 8px;
  border-radius:8px;
}
.topbar-close:hover{background:rgba(20,98,214,.1);color:var(--brand-dark);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,98,214,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:18px;
  letter-spacing:.2px;
  white-space:nowrap;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  position:relative;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  box-shadow:0 6px 14px rgba(20,98,214,.25);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;
  right:9px;
  top:50%;
  width:0;
  height:0;
  transform:translateY(-50%);
  border-left:7px solid #fff;
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text small{font-size:11px;font-weight:500;color:var(--text-2);letter-spacing:.6px;}
.nav-wrap{flex:1 1 auto;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  border-radius:8px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .22s ease;
  border-radius:2px;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:calc(100% - 24px);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{width:calc(100% - 24px);background:var(--accent);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box i{color:var(--text-2);font-size:14px;}
.search-box input{
  width:132px;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:#93A2B4;}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,98,214,.12);
}
.link-btn{
  color:var(--text);
  font-size:15px;
  font-weight:500;
  padding:8px 10px;
  border-radius:8px;
}
.link-btn:hover{color:var(--brand);background:var(--brand-light);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  padding:12px 22px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 4px 12px rgba(20,98,214,.22);
}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,98,214,.28);}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 12px rgba(255,122,69,.28);
}
.btn-accent:hover{background:#F0662F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,69,.32);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:rgba(20,98,214,.45);
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-line{
  background:transparent;
  color:var(--brand);
  padding:8px 4px;
  border-radius:4px;
  border-bottom:2px solid rgba(20,98,214,.35);
}
.btn-line:hover{color:var(--brand-dark);border-bottom-color:var(--accent);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{padding:9px 16px;font-size:14px;}
.header-cta{padding:11px 20px;}
.menu-toggle{
  display:none;
  width:42px;
  height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--text);
  font-size:17px;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:8px 0 18px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:13px 24px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  border-bottom:1px solid #F1F5FB;
}
.mobile-drawer a.active{color:var(--brand);background:var(--brand-light);border-left:3px solid var(--accent);}
.mobile-drawer a:hover{color:var(--brand);background:var(--bg);}

/* ---------- 整宽图片横幅 ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  background:#0F2A4D;
  color:#fff;
}
.banner-media{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}
.banner-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 42%;
}
.banner-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(9,28,52,.92) 0%,rgba(9,28,52,.78) 46%,rgba(15,42,77,.5) 100%);
}
.banner-inner{
  position:relative;
  z-index:2;
  padding-top:72px;
  padding-bottom:78px;
}
.breadcrumb{
  font-size:14px;
  color:rgba(255,255,255,.78);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{margin:0 8px;color:rgba(255,255,255,.45);}
.chip-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
}
.page-banner h1{
  margin-top:20px;
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.3px;
  max-width:820px;
}
.banner-sub{
  margin-top:18px;
  max-width:660px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:32px;
}
.banner-actions .btn-ghost{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.banner-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff;}
.banner-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  font-size:14px;
  color:rgba(255,255,255,.8);
}
.banner-tags span{display:inline-flex;align-items:center;gap:8px;}
.banner-tags i{color:var(--teal);}

/* ---------- 横幅下方指标条 ---------- */
.banner-stats{
  position:relative;
  z-index:3;
  margin-top:-42px;
}
.stats-panel{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.stat-item{
  background:#fff;
  padding:24px 22px;
}
.stat-num{
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px;}
.stat-label{
  margin-top:6px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sect) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.2px;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
h2{
  font-size:clamp(24px,3vw,30px);
  line-height:1.3;
  font-weight:650;
  letter-spacing:.2px;
}
h3{font-size:20px;line-height:1.5;font-weight:650;}
h4{font-size:17px;line-height:1.6;font-weight:600;}
.section-head p{
  margin-top:14px;
  color:var(--text-2);
  font-size:16px;
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:46px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(20,98,214,.25) 70%,rgba(20,98,214,.05) 100%);
  border-radius:2px;
}
.tl-item{
  position:relative;
  padding:0 0 34px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-46px;
  top:8px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(20,98,214,.08);
}
.tl-item.is-accent::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,69,.12);}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px 28px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.tl-card:hover{
  box-shadow:var(--sh-hover);
  border-color:rgba(20,98,214,.3);
  transform:translateY(-2px);
}
.tl-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.tl-index{
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
}
.tl-title{font-size:19px;font-weight:650;line-height:1.45;}
.tl-desc{margin-top:10px;color:var(--text-2);font-size:15.5px;}
.tl-checks{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13.5px;
}
.pill i{color:var(--teal);font-size:12px;}
.pill.warn{background:#FFF4EF;border-color:#FFDCCB;color:#B5502A;}
.pill.warn i{color:var(--accent);}

/* ---------- 不对称图文卡 ---------- */
.split-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:var(--gap);
  align-items:stretch;
}
.media-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.media-card:hover{
  box-shadow:var(--sh-hover);
  border-color:rgba(20,98,214,.3);
  transform:translateY(-2px);
}
.media-card .cover{
  position:relative;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
}
.media-card .cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.media-card:hover .cover img{transform:scale(1.03);}
.cover-badge{
  position:absolute;
  left:14px;
  top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  box-shadow:0 2px 8px rgba(9,28,52,.12);
}
.media-body{padding:26px 28px 28px;}
.media-body h3{margin-bottom:10px;}
.media-body p{color:var(--text-2);font-size:15.5px;}
.media-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 16px;
  margin-top:18px;
  font-size:14px;
  color:var(--text-2);
}
.media-meta i{color:var(--brand);margin-right:6px;}
.mini-stack{display:grid;grid-template-rows:1fr 1fr;gap:var(--gap);}
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px 26px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.quote-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.quote-card p{color:var(--text);font-size:15.5px;}
.quote-card .quote-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:13.5px;
  color:var(--text-2);
}
.quote-card .quote-tag i{color:var(--teal);}

/* ---------- 对照信息卡 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.compare-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px 24px 22px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.compare-card:hover{
  box-shadow:var(--sh-hover);
  border-color:rgba(20,98,214,.3);
  transform:translateY(-2px);
}
.compare-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
  margin-bottom:16px;
}
.compare-head h4{font-size:16.5px;}
.compare-side{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 0;
  font-size:14.5px;
  color:var(--text-2);
  border-bottom:1px solid #F2F6FC;
}
.compare-side:last-child{border-bottom:0;padding-bottom:0;}
.compare-side .key{
  flex:0 0 auto;
  min-width:74px;
  color:var(--text);
  font-weight:600;
}
.compare-side .val{color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:var(--gap);
  align-items:start;
}
.faq-aside{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px 24px;
  position:sticky;
  top:96px;
}
.faq-aside h3{font-size:19px;margin-bottom:10px;}
.faq-aside p{color:var(--text-2);font-size:14.5px;}
.faq-aside .aside-list{margin-top:18px;display:grid;gap:10px;}
.faq-aside .aside-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
}
.faq-aside .aside-list i{color:var(--teal);margin-top:5px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{
  border-color:rgba(20,98,214,.35);
  box-shadow:0 8px 22px rgba(20,98,214,.1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:44px;
  padding:16px 20px 16px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  bottom:10px;
  width:3px;
  background:var(--brand);
  border-radius:0 3px 3px 0;
  opacity:0;
  transition:opacity .18s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .22s ease,background .18s ease,color .18s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-answer{
  padding:0 22px 20px 22px;
  color:var(--text-2);
  font-size:15.5px;
  border-top:1px solid #F2F6FC;
  padding-top:16px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-light);
  border-top:1px solid #D8E6FB;
  border-bottom:1px solid #D8E6FB;
  padding:64px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:44px;
  align-items:center;
}
.cta-copy h2{font-size:clamp(24px,3vw,30px);}
.cta-copy p{margin-top:14px;color:var(--text-2);}
.cta-points{margin-top:20px;display:grid;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-2);}
.cta-points i{color:var(--brand);margin-top:5px;}
.cta-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:28px 26px;
}
.form-row{display:grid;gap:8px;margin-bottom:16px;}
.form-row label{font-size:14px;font-weight:600;color:var(--text);}
.form-row input,
.form-row select{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid #D9E3F0;
  border-radius:var(--r-input);
  background:#fff;
  color:var(--text);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row input::placeholder{color:#9AAABC;}
.form-row input:focus,
.form-row select:focus{
  border-color:var(--brand);
  border-width:1.5px;
  box-shadow:0 0 0 3px rgba(20,98,214,.12);
}
.form-row.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,58,58,.12);}
.form-note{
  margin-top:14px;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
}
.form-note i{color:var(--teal);margin-right:6px;}
.cta-form .btn{width:100%;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F2F5FA;
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;}
.footer-quote{
  margin-top:16px;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13.5px;
  color:var(--text-2);
}
.footer-quote i{color:var(--accent);}
.footer-col h4{font-size:15.5px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:var(--text-2);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-col p{color:var(--text-2);font-size:14.5px;}
.footer-col .contact-line{display:flex;align-items:flex-start;gap:10px;color:var(--text-2);font-size:14.5px;margin-bottom:10px;}
.footer-col .contact-line i{color:var(--brand);margin-top:5px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:var(--text-2);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sect:72px;}
  .header-inner{min-height:64px;gap:14px;}
  .nav-wrap{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{display:none;}
  .stats-panel{grid-template-columns:repeat(2,1fr);}
  .split-grid{grid-template-columns:1fr;}
  .mini-stack{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .compare-grid{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  :root{--sect:56px;--gap:20px;}
  .container{padding:0 20px;}
  .logo-text small{display:none;}
  .header-cta{display:none;}
  .banner-inner{padding-top:48px;padding-bottom:56px;}
  .banner-actions .btn{width:100%;}
  .banner-stats{margin-top:-26px;}
  .stats-panel{grid-template-columns:1fr;}
  .stat-item{padding:20px;}
  .section{padding:var(--sect) 0;}
  .timeline{padding-left:32px;}
  .timeline::before{left:8px;}
  .tl-item::before{left:-32px;width:14px;height:14px;}
  .tl-card{padding:20px;}
  .media-card .cover{aspect-ratio:4/3;}
  .media-body{padding:20px;}
  .mini-stack{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .quote-card{padding:20px;}
  .faq-aside{padding:20px;}
  .cta-band{padding:48px 0;}
  .cta-form{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}