/* roulang page: index */
:root{
  --brand:#2646B8;
  --brand-strong:#1D3791;
  --brand-soft:#EEF3FF;
  --accent:#0EA5A4;
  --action:#F2A03D;
  --action-hover:#D98A22;
  --ink:#101828;
  --muted:#5A6884;
  --line:#E4E9F2;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 12px 32px rgba(38,70,184,.10);
  --shadow-nav:0 4px 16px rgba(16,24,40,.06);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(38,70,184,.45);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:30px;line-height:1.3;font-weight:600;letter-spacing:0;}
.section-title::before{
  content:"";display:inline-block;width:5px;height:22px;border-radius:3px;background:var(--brand);
  margin-right:12px;vertical-align:-3px;
}
.section-desc{color:var(--muted);font-size:15.5px;max-width:640px;margin-top:10px;}

/* 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:var(--shadow-nav);}
.nav-bar{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:22px;height:22px;border-radius:6px;background:var(--brand);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:2px;background:#fff;
  clip-path:polygon(0 0,100% 50%,0 100%); 
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-text .short{display:none;}
.chip-wrap{
  flex:1 1 auto;min-width:0;background:var(--brand-soft);border-radius:999px;padding:5px;
  display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
}
.chip-wrap::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:8px 16px;border-radius:999px;font-size:14.5px;color:var(--muted);
  background:transparent;border:1px solid transparent;white-space:nowrap;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#fff;border-color:var(--line);color:var(--ink);}
.chip[aria-current="page"],.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.chip[aria-current="page"]:hover,.chip.is-active:hover{background:var(--brand-strong);border-color:var(--brand-strong);color:#fff;}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--action);color:#2A1A03;font-weight:600;font-size:15px;
  border:1px solid rgba(0,0,0,.04);transition:background .18s ease,transform .18s ease;
}
.nav-cta:hover{background:var(--action-hover);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15.5px;color:var(--ink);border-bottom:1px dashed var(--line);
}
.nav-drawer a:last-of-type{border-bottom:none;}
.nav-drawer .drawer-cta{
  display:flex;align-items:center;justify-content:center;margin-top:14px;min-height:46px;
  background:var(--action);color:#2A1A03;border-radius:var(--radius-btn);font-weight:600;border-bottom:none;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  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;}
.btn-primary:hover{background:var(--brand-strong);box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-action{background:var(--action);color:#2A1A03;}
.btn-action:hover{background:var(--action-hover);box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:#C9D6F6;color:var(--brand-strong);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(38,70,184,.25);padding-bottom:2px;transition:color .18s ease,border-color .18s ease;
}
.link-arrow:hover{color:var(--brand-strong);border-color:var(--brand-strong);}

/* Hero */
.hero{
  background:linear-gradient(180deg,#F2F6FF 0%,#FFFFFF 78%);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(38,70,184,.10) 1px, transparent 1px);
  background-size:22px 22px;opacity:.55;
  -webkit-mask-image:linear-gradient(90deg,#000 0,transparent 62%);
  mask-image:linear-gradient(90deg,#000 0,transparent 62%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:74px 0 80px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.dot-amber{background:var(--action);}
.hero h1{font-size:48px;line-height:1.22;font-weight:700;letter-spacing:-.2px;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;padding-top:24px;border-top:1px dashed var(--line);}
.metric{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);}
.metric b{color:var(--ink);font-weight:600;}
.hero-visual{position:relative;}
.hero-visual figure{
  position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  aspect-ratio:16/11;background:var(--brand-soft);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual figure::after{
  content:"";position:absolute;inset:0;background:rgba(16,24,40,.06);
}
.hero-badge{
  position:absolute;left:-14px;bottom:22px;z-index:2;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-1);display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
}
.hero-badge b{color:var(--ink);font-size:14.5px;}

/* 三步上手 */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;
  display:flex;flex-direction:column;gap:14px;transition:box-shadow .2s ease,transform .2s ease;
}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  border:2px solid var(--accent);color:var(--accent);font-size:14.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px;font-weight:600;}
.step-card p{color:var(--muted);font-size:15.5px;}
.step-cover{
  border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--brand-soft);
}
.step-cover img{width:100%;height:100%;object-fit:cover;}
.steps-link{margin-top:28px;}

/* 案例证明 */
.case-grid{display:grid;grid-template-columns:7fr 5fr;grid-template-rows:repeat(2,auto);gap:24px;}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease;
}
.case-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.case-card.main{grid-row:span 2;}
.case-cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.case-card.main .case-cover{aspect-ratio:16/9;}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.case-card:hover .case-cover img{transform:scale(1.02);}
.case-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  background:var(--brand-soft);color:var(--brand-strong);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;
}
.tag-teal{background:rgba(14,165,164,.12);color:#0B7C7B;}
.case-quote{font-size:17px;line-height:1.8;color:var(--ink);}
.case-meta{margin-top:auto;font-size:13.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;}
.case-small-title{font-size:17px;font-weight:600;line-height:1.6;}

/* 最新信息卡片 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.news-card.featured{grid-column:span 2;}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);position:relative;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-cover img{transform:scale(1.02);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-title{font-size:17.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card.featured .news-title{font-size:21px;-webkit-line-clamp:2;}
.news-summary{color:var(--muted);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);}
.news-more{color:var(--brand);font-weight:600;}
.empty-card{
  grid-column:1 / -1;background:#fff;border:1px dashed #C9D6F6;border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:22px;
}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:94px;}
.faq-aside h2{font-size:30px;font-weight:600;line-height:1.3;}
.faq-aside h2::before{content:"";display:inline-block;width:5px;height:22px;border-radius:3px;background:var(--brand);margin-right:12px;vertical-align:-3px;}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px;max-width:300px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:#C9D6F6;box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:none;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--ink);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-sign{flex:0 0 auto;width:16px;height:16px;position:relative;margin-top:6px;}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:0;top:7px;width:16px;height:2px;border-radius:2px;background:var(--brand);
  transition:transform .18s ease;
}
.faq-sign::after{transform:rotate(90deg);}
.faq-item.is-open .faq-sign::after{transform:rotate(0deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.8;}

/* CTA 表单 */
.cta-panel{
  max-width:880px;margin:0 auto;border-radius:20px;overflow:hidden;position:relative;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.cta-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.10;
}
.cta-inner{position:relative;z-index:1;padding:44px 44px 40px;}
.cta-inner h2{font-size:28px;font-weight:600;line-height:1.35;}
.cta-inner .cta-lead{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:560px;}
.cta-cols{display:grid;grid-template-columns:7fr 5fr;gap:36px;margin-top:32px;align-items:start;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(38,70,184,.15);
}
.field .hint{font-size:13px;color:var(--muted);}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px;}
.benefits{display:flex;flex-direction:column;gap:12px;background:var(--brand-soft);border-radius:14px;padding:22px;}
.benefit{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--brand-strong);font-weight:600;}
.contact-line{margin-top:22px;font-size:14.5px;color:var(--muted);}
.contact-line a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(38,70,184,.3);}

/* 页脚 */
.site-footer{background:var(--brand-strong);color:#C7D2E4;margin-top:0;}
.footer-top{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:40px;padding:64px 0 48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{width:22px;height:22px;border-radius:6px;background:#fff;position:relative;flex:0 0 auto;}
.footer-mark::after{content:"";position:absolute;inset:6px;background:var(--brand-strong);clip-path:polygon(0 0,100% 50%,0 100%);}
.footer-brand-text{color:#fff;font-size:16.5px;font-weight:700;}
.footer-desc{font-size:14.5px;line-height:1.8;color:#A9B8D4;max-width:320px;}
.footer-col h3{color:#fff;font-size:15.5px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:#C7D2E4;transition:color .18s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14.5px;color:#C7D2E4;line-height:1.7;}
.footer-qr{
  margin-top:14px;width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:#A9B8D4;text-align:center;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 28px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:#9FB0CE;
}
.footer-bottom a{color:#C7D2E4;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:12px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .18s ease,transform .18s ease;
}
.to-top:hover{background:var(--brand-soft);transform:translateY(-2px);}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:56px 0 64px;}
  .hero h1{font-size:36px;}
  .hero-sub{font-size:16.5px;}
  .hero-visual figure{aspect-ratio:16/9;max-height:260px;}
  .hero-badge{left:12px;bottom:12px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .case-card.main{grid-row:auto;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .news-card.featured{grid-column:span 2;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-cols{grid-template-columns:1fr;gap:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:68px 0;}
}
@media (max-width:768px){
  .container-x{padding:0 16px;}
  .nav-bar{height:64px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .brand-text .full{display:none;}
  .brand-text .short{display:inline;}
  .chip-wrap{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero h1{font-size:31px;}
  .section-title,.faq-aside h2,.cta-inner h2{font-size:24px;}
  .steps-grid{grid-template-columns:1fr;}
  .step-card{flex-direction:row;align-items:flex-start;gap:16px;flex-wrap:wrap;}
  .step-card .step-main{flex:1 1 220px;}
  .step-cover{flex:1 1 200px;aspect-ratio:16/10;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.featured{grid-column:span 1;}
  .section{padding:52px 0;}
  .cta-inner{padding:30px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:10px 18px;}
  .case-body,.news-body{padding:18px;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
}

/* roulang page: article */
:root{
    --brand:#2646B8;
    --brand-strong:#1D3791;
    --brand-soft:#EEF3FF;
    --accent:#0EA5A4;
    --action:#F2A03D;
    --action-hover:#D98A22;
    --ink:#101828;
    --muted:#5A6884;
    --line:#E4E9F2;
    --bg:#F7F9FC;
    --card:#FFFFFF;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-chip:999px;
    --shadow-1:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
    --shadow-2:0 12px 32px rgba(38,70,184,.10);
    --shadow-nav:0 4px 16px rgba(16,24,40,.06);
    --error:#D92D20;
  }

  *,*::before,*::after{ box-sizing:border-box; }

  html{ scroll-behavior:smooth; }

  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }

  a{ color:inherit; text-decoration:none; transition:color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease; }
  img{ display:block; max-width:100%; height:auto; }
  button{ font:inherit; cursor:pointer; border:none; background:none; color:inherit; }
  h1,h2,h3,h4{ margin:0; letter-spacing:0; }
  p{ margin:0; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  time{ font-variant-numeric:tabular-nums; }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:3px solid rgba(38,70,184,.35);
    outline-offset:2px;
    border-radius:8px;
  }

  .container-x{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:16px;
    padding-right:16px;
  }
  @media (min-width:768px){
    .container-x{ padding-left:24px; padding-right:24px; }
  }

  .is-hidden{ display:none !important; }

  /* ---------------- Header / Nav ---------------- */
  .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:var(--shadow-nav); }

  .header-inner{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    padding-top:10px;
    padding-bottom:10px;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
    order:1;
  }
  .brand-mark{
    position:relative;
    width:22px;
    height:22px;
    border-radius:7px;
    background:var(--brand);
    flex-shrink:0;
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    left:6px;
    top:6px;
    width:10px;
    height:10px;
    border:2px solid #fff;
    border-radius:3px;
  }
  .brand-text{
    font-size:17px;
    font-weight:700;
    color:var(--ink);
    line-height:1.2;
    white-space:nowrap;
  }
  .brand-text-short{ display:inline; }
  .brand-text-full{ display:none; }

  .chip-wrap{
    order:3;
    width:100%;
    display:flex;
    align-items:center;
    gap:4px;
    padding:5px;
    background:var(--brand-soft);
    border-radius:14px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
    -webkit-overflow-scrolling:touch;
  }
  .chip-wrap::-webkit-scrollbar{ display:none; }

  .chip{
    display:inline-flex;
    align-items:center;
    min-height:38px;
    padding:0 16px;
    border-radius:var(--radius-chip);
    font-size:14px;
    font-weight:500;
    color:var(--muted);
    background:transparent;
    white-space:nowrap;
    flex-shrink:0;
  }
  .chip:hover{ background:#fff; color:var(--ink); box-shadow:0 0 0 1px var(--line); }
  .chip.is-active{ background:var(--brand); color:#fff; }
  .chip.is-active:hover{ background:var(--brand-strong); color:#fff; box-shadow:none; }

  .header-actions{
    order:2;
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .header-cta{ display:none; }

  .menu-btn{
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    display:inline-flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
  }
  .menu-btn span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform .18s ease, opacity .18s ease;
  }
  .menu-btn:hover{ background:var(--brand-soft); }
  .menu-btn[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

  .mobile-menu{
    border-bottom:1px solid var(--line);
    background:#fff;
    padding:10px 0 16px;
    box-shadow:var(--shadow-nav);
  }
  .mobile-menu a.mm-link{
    display:flex;
    align-items:center;
    min-height:48px;
    padding:0 4px;
    font-size:15px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a.mm-link:hover{ color:var(--brand); }
  .mobile-menu a.mm-link:last-of-type{ border-bottom:none; }

  @media (min-width:1024px){
    .header-inner{ flex-wrap:nowrap; height:72px; padding-top:0; padding-bottom:0; gap:16px; }
    .brand-text-short{ display:none; }
    .brand-text-full{ display:inline; }
    .chip-wrap{ order:2; width:auto; margin-left:8px; border-radius:var(--radius-chip); padding:5px 6px; overflow:visible; }
    .header-actions{ order:3; margin-left:auto; }
    .header-cta{ display:inline-flex; }
    .menu-btn{ display:none; }
  }

  /* ---------------- Buttons ---------------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 20px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    line-height:1;
    border:1px solid transparent;
    transition:background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  }
  .btn-brand{ background:var(--brand); color:#fff; }
  .btn-brand:hover{ background:var(--brand-strong); box-shadow:var(--shadow-2); transform:translateY(-1px); }
  .btn-action{ background:var(--action); color:#3B2405; }
  .btn-action:hover{ background:var(--action-hover); color:#2C1B04; box-shadow:var(--shadow-2); transform:translateY(-1px); }
  .btn-outline{ background:#fff; color:var(--brand); border-color:var(--line); }
  .btn-outline:hover{ background:var(--brand-soft); border-color:#C9D6F5; }
  .btn-ghost{ background:transparent; color:var(--brand); }
  .btn-ghost:hover{ background:var(--brand-soft); }
  .btn-sm{ min-height:38px; padding:0 16px; font-size:14px; }

  /* ---------------- Breadcrumb ---------------- */
  .breadcrumb{ padding:20px 0 12px; }
  .breadcrumb ol{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13.5px; color:var(--muted); }
  .breadcrumb li{ display:flex; align-items:center; gap:8px; }
  .breadcrumb li + li::before{ content:"/"; color:#B7C1D6; }
  .breadcrumb a{ color:var(--brand); }
  .breadcrumb a:hover{ text-decoration:underline; text-underline-offset:3px; }
  .breadcrumb .current{ color:var(--muted); }

  /* ---------------- Article head ---------------- */
  .article-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    padding:24px 20px;
  }
  @media (min-width:768px){
    .article-card{ padding:36px 40px; }
  }

  .article-head{ border-bottom:1px solid var(--line); padding-bottom:24px; margin-bottom:28px; }

  .tag-brand{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:28px;
    padding:0 12px;
    border-radius:var(--radius-chip);
    background:var(--brand-soft);
    color:var(--brand);
    font-size:13px;
    font-weight:600;
  }
  .tag-plain{
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 12px;
    border-radius:var(--radius-chip);
    background:#F2F5FA;
    color:var(--muted);
    font-size:13px;
    font-weight:500;
  }

  .article-title{
    margin-top:16px;
    font-size:31px;
    font-weight:700;
    line-height:1.24;
    color:var(--ink);
  }
  @media (min-width:768px){
    .article-title{ font-size:40px; }
  }
  @media (min-width:1280px){
    .article-title{ font-size:46px; }
  }

  .article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px 18px;
    margin-top:18px;
    font-size:13.5px;
    color:var(--muted);
  }
  .article-meta .dot{
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--accent);
    display:inline-block;
    margin-right:8px;
    vertical-align:middle;
  }

  .share-row{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:20px;
  }
  .share-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:38px;
    padding:0 14px;
    border-radius:var(--radius-chip);
    border:1px solid var(--line);
    background:#fff;
    font-size:13.5px;
    color:var(--muted);
  }
  .share-btn:hover{ background:var(--brand-soft); color:var(--brand); border-color:#C9D6F5; }

  /* ---------------- Article body typography ---------------- */
  .prose-cms{
    max-width:76ch;
    font-size:17px;
    line-height:1.85;
    color:var(--ink);
  }
  .prose-cms > * + *{ margin-top:1.2em; }
  .prose-cms p{ margin:0; }
  .prose-cms > p:first-of-type{ font-size:17.5px; }
  .prose-cms h2{
    position:relative;
    margin-top:40px;
    padding-left:16px;
    font-size:24px;
    font-weight:600;
    line-height:1.35;
    scroll-margin-top:104px;
  }
  .prose-cms h2::before{
    content:"";
    position:absolute;
    left:0;
    top:7px;
    bottom:7px;
    width:4px;
    border-radius:2px;
    background:var(--brand);
  }
  .prose-cms h3{
    margin-top:28px;
    font-size:20px;
    font-weight:600;
    line-height:1.4;
    scroll-margin-top:104px;
  }
  .prose-cms ul,
  .prose-cms ol{ padding-left:1.5em; }
  .prose-cms ul{ list-style:disc; }
  .prose-cms ol{ list-style:decimal; }
  .prose-cms li{ margin:.42em 0; }
  .prose-cms li::marker{ color:var(--brand); }
  .prose-cms a{ color:var(--brand); text-decoration:underline; text-underline-offset:3px; }
  .prose-cms a:hover{ color:var(--brand-strong); }
  .prose-cms strong{ font-weight:600; }
  .prose-cms img{ margin:1.4em auto; border-radius:12px; }
  .prose-cms figure{ margin:1.6em 0; }
  .prose-cms figcaption{ margin-top:8px; font-size:13px; color:var(--muted); text-align:center; }
  .prose-cms blockquote{
    margin:1.6em 0;
    padding:16px 20px;
    border-left:3px solid var(--brand);
    background:var(--brand-soft);
    border-radius:0 12px 12px 0;
    color:#33405C;
  }
  .prose-cms blockquote p + p{ margin-top:.8em; }
  .prose-cms table{
    width:100%;
    border-collapse:collapse;
    font-size:15px;
    line-height:1.7;
  }
  .prose-cms th,
  .prose-cms td{
    border:1px solid var(--line);
    padding:10px 12px;
    text-align:left;
    vertical-align:top;
  }
  .prose-cms th{ background:var(--brand-soft); font-weight:600; }
  .prose-cms code{
    padding:2px 6px;
    border-radius:6px;
    background:#F1F4FA;
    font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
    font-size:.92em;
  }
  .prose-cms pre{
    padding:16px 18px;
    border-radius:12px;
    background:#F5F7FB;
    border:1px solid var(--line);
    overflow-x:auto;
    font-size:14px;
    line-height:1.7;
  }
  .prose-cms pre code{ padding:0; background:none; }
  .prose-cms hr{ border:none; border-top:1px solid var(--line); margin:2em 0; }

  /* ---------------- Aside ---------------- */
  .side-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    padding:20px;
  }
  .side-title{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:14px;
  }
  .side-title::before{
    content:"";
    width:4px;
    height:14px;
    border-radius:2px;
    background:var(--brand);
  }
  .toc-list li + li{ margin-top:6px; }
  .toc-list a{
    display:block;
    padding:7px 10px;
    border-radius:8px;
    font-size:14px;
    color:var(--muted);
    line-height:1.55;
  }
  .toc-list a:hover{ background:var(--brand-soft); color:var(--brand); }
  .tag-cloud{ display:flex; flex-wrap:wrap; gap:8px; }
  .tag-cloud a{
    display:inline-flex;
    align-items:center;
    height:32px;
    padding:0 12px;
    border-radius:var(--radius-chip);
    background:#F2F5FA;
    font-size:13px;
    color:var(--muted);
  }
  .tag-cloud a:hover{ background:var(--brand-soft); color:var(--brand); }

  .side-cta{
    background:linear-gradient(180deg,#F3F7FF 0%,#FFFFFF 100%);
    border:1px solid #DCE6FB;
  }
  .side-cta p{ font-size:14px; color:var(--muted); margin-bottom:16px; line-height:1.7; }

  /* ---------------- Sections ---------------- */
  .section-block{ margin-top:56px; }
  @media (min-width:768px){
    .section-block{ margin-top:80px; }
  }
  .section-head{ margin-bottom:24px; }
  .section-title{
    font-size:26px;
    font-weight:600;
    line-height:1.3;
    color:var(--ink);
  }
  @media (min-width:768px){
    .section-title{ font-size:30px; }
  }
  .section-sub{
    margin-top:10px;
    font-size:15px;
    color:var(--muted);
    max-width:56ch;
    line-height:1.75;
  }

  .related-card{
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    overflow:hidden;
    height:100%;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .related-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); }
  .related-thumb{
    position:relative;
    aspect-ratio:16 / 10;
    overflow:hidden;
    background:var(--brand-soft);
  }
  .related-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .3s ease;
  }
  .related-card:hover .related-thumb img{ transform:scale(1.02); }
  .related-body{ padding:16px 18px 18px; display:flex; flex-direction:column; gap:10px; flex:1; }
  .related-title{
    font-size:16px;
    font-weight:600;
    line-height:1.5;
    color:var(--ink);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .related-card:hover .related-title{ color:var(--brand); }
  .meta-line{ display:flex; align-items:center; gap:10px; font-size:13px; color:var(--muted); margin-top:auto; }

  /* ---------------- FAQ ---------------- */
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    box-shadow:var(--shadow-1);
    overflow:hidden;
  }
  .faq-item + .faq-item{ margin-top:12px; }
  .faq-q{
    width:100%;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:16px;
    padding:18px 20px;
    text-align:left;
    font-size:16.5px;
    font-weight:600;
    color:var(--ink);
    line-height:1.55;
    position:relative;
  }
  .faq-q::before{
    content:"";
    position:absolute;
    left:0;
    top:14px;
    bottom:14px;
    width:3px;
    border-radius:0 3px 3px 0;
    background:transparent;
    transition:background-color .18s ease;
  }
  .faq-item.is-open .faq-q::before{ background:var(--brand); }
  .faq-q:hover{ color:var(--brand); }
  .faq-icon{
    position:relative;
    width:16px;
    height:16px;
    flex-shrink:0;
    margin-top:5px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--brand);
    border-radius:2px;
    transition:transform .18s ease, opacity .18s ease;
  }
  .faq-icon::before{ left:0; top:7px; width:16px; height:2px; }
  .faq-icon::after{ left:7px; top:0; width:2px; height:16px; }
  .faq-item.is-open .faq-icon::after{ transform:rotate(90deg); opacity:0; }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .26s ease;
  }
  .faq-a-inner{
    padding:0 20px 18px 20px;
    font-size:15.5px;
    line-height:1.8;
    color:var(--muted);
  }
  .faq-item.is-open .faq-a{ max-height:360px; }

  /* ---------------- CTA panel ---------------- */
  .cta-panel{
    position:relative;
    overflow:hidden;
    max-width:920px;
    margin:0 auto;
    border-radius:20px;
    border:1px solid #DCE6FB;
    background:linear-gradient(180deg,#F3F7FF 0%,#FFFFFF 100%);
    box-shadow:var(--shadow-1);
    padding:28px 20px;
  }
  @media (min-width:768px){
    .cta-panel{ padding:44px 48px; }
  }
  .cta-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;
    background-position:center;
    opacity:.08;
    pointer-events:none;
  }
  .cta-inner{ position:relative; }

  .field{ margin-bottom:16px; }
  .field label{
    display:block;
    margin-bottom:7px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
  }
  .field input,
  .field select,
  .field textarea{
    width:100%;
    min-height:46px;
    padding:11px 14px;
    font-size:15px;
    color:var(--ink);
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    transition:border-color .18s ease, box-shadow .18s ease;
  }
  .field textarea{ min-height:96px; resize:vertical; line-height:1.7; }
  .field input::placeholder,
  .field textarea::placeholder{ color:#9AA6BD; }
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 2px rgba(38,70,184,.15);
  }
  .rights-item{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    color:var(--muted);
    line-height:1.6;
  }
  .rights-item + .rights-item{ margin-top:12px; }
  .rights-item .dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--accent);
    flex-shrink:0;
    margin-top:8px;
  }
  .form-tip{
    margin-top:12px;
    font-size:13.5px;
    color:var(--accent);
    min-height:20px;
  }

  /* ---------------- Empty state ---------------- */
  .empty-card{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:14px;
    padding:48px 24px;
    text-align:center;
    background:#FBFCFE;
    border:1px dashed var(--line);
    border-radius:14px;
  }
  .empty-icon{
    width:52px;
    height:52px;
    border-radius:14px;
    background:var(--brand-soft);
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .empty-icon::before{
    content:"";
    width:18px;
    height:22px;
    border:2px solid var(--brand);
    border-radius:4px;
  }
  .empty-card p{ font-size:15.5px; color:var(--muted); }

  /* ---------------- Back to top ---------------- */
  .to-top{
    position:fixed;
    right:16px;
    bottom:16px;
    z-index:70;
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:44px;
    padding:0 16px;
    border-radius:var(--radius-chip);
    background:var(--brand);
    color:#fff;
    font-size:14px;
    font-weight:600;
    box-shadow:var(--shadow-2);
  }
  .to-top:hover{ background:var(--brand-strong); }
  @media (min-width:768px){
    .to-top{ right:28px; bottom:28px; }
  }

  /* ---------------- Footer ---------------- */
  .site-footer{
    margin-top:64px;
    background:var(--brand-strong);
    color:#C7D2E4;
    padding:52px 0 24px;
  }
  .footer-top{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:640px){
    .footer-top{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  }
  @media (min-width:1024px){
    .footer-top{ grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; }
  }
  .footer-brand{ display:flex; align-items:center; gap:10px; }
  .footer-mark{
    width:22px;
    height:22px;
    border-radius:7px;
    background:#fff;
    position:relative;
    flex-shrink:0;
  }
  .footer-mark::after{
    content:"";
    position:absolute;
    left:6px;
    top:6px;
    width:10px;
    height:10px;
    border:2px solid var(--brand-strong);
    border-radius:3px;
  }
  .footer-brand-text{ font-size:17px; font-weight:700; color:#fff; }
  .footer-desc{ margin-top:14px; font-size:14px; line-height:1.8; color:#C7D2E4; max-width:34ch; }
  .footer-col h3{ font-size:15px; font-weight:600; color:#fff; margin-bottom:14px; }
  .footer-col li{ margin-bottom:10px; font-size:14px; line-height:1.7; }
  .footer-col a{ color:#C7D2E4; }
  .footer-col a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }
  .footer-contact a{ color:#fff; }
  .footer-qr{
    margin-top:16px;
    display:inline-block;
    padding:14px 16px;
    border-radius:12px;
    border:1px dashed rgba(255,255,255,.32);
    font-size:13px;
    line-height:1.7;
    color:#D7E0EF;
  }
  .footer-bottom{
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13.5px;
    color:#AEBBD2;
  }
  .footer-bottom a{ color:#C7D2E4; }
  .footer-bottom a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }

  @media (max-width:1023px){
    .side-sticky{ position:static !important; }
  }

/* roulang page: category1 */
:root{
    --brand:#2646B8;
    --brand-strong:#1D3791;
    --brand-soft:#EEF3FF;
    --accent:#0EA5A4;
    --action:#F2A03D;
    --action-strong:#D98A22;
    --ink:#101828;
    --muted:#5A6884;
    --line:#E4E9F2;
    --bg:#F7F9FC;
    --card:#FFFFFF;
    --radius-card:16px;
    --radius-btn:10px;
    --sh-1:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
    --sh-2:0 12px 32px rgba(38,70,184,.10);
    --sh-nav:0 4px 16px rgba(16,24,40,.06);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16.5px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1{font-size:50px;line-height:1.2;font-weight:700;letter-spacing:0;}
  h2{font-size:30px;line-height:1.3;font-weight:600;}
  h3{font-size:21px;line-height:1.4;font-weight:600;}
  p{color:var(--muted);}

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
  .section{padding:88px 0;}
  .section-white{background:#fff;}
  .sec-head{max-width:760px;margin-bottom:40px;}
  .sec-head h2{position:relative;padding-left:16px;}
  .sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand);}
  .sec-sub{margin-top:14px;font-size:16px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13.5px;font-weight:600;}
  .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-strong);box-shadow:var(--sh-2);}
  .btn-action{background:var(--action);color:#3A2405;}
  .btn-action:hover{background:var(--action-strong);box-shadow:0 10px 24px rgba(242,160,61,.28);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{background:var(--brand-soft);border-color:#C9D6F5;color:var(--brand);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
  .btn[disabled]{opacity:.55;cursor:not-allowed;}

  .tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;}
  .tag-accent{background:rgba(14,165,164,.12);color:#0B7F7E;}
  .tag-plain{background:#F1F4F9;color:var(--muted);font-weight:500;}

  /* ---------- 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:var(--sh-nav);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{width:22px;height:22px;border-radius:7px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto;}
  .brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}

  .chip-wrap{display:inline-flex;align-items:center;gap:4px;background:var(--brand-soft);border-radius:999px;padding:4px;}
  .chip{
    display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:999px;
    border:1px solid transparent;font-size:14px;color:var(--muted);white-space:nowrap;
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .chip:hover{background:#fff;border-color:var(--line);color:var(--brand);}
  .chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
  .chip.is-active:hover{background:var(--brand-strong);color:#fff;}

  .header-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:.18s;
  }
  .menu-toggle:hover{background:var(--brand-soft);border-color:#C9D6F5;}
  .menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  .mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
  .mobile-drawer.is-open{display:block;}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;
    border:1px solid var(--line);border-radius:12px;font-size:15px;color:var(--ink);transition:.18s;
  }
  .drawer-nav a:hover{background:var(--brand-soft);border-color:#C9D6F5;color:var(--brand);}
  .drawer-nav a.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

  /* ---------- Hero ---------- */
  .hero{
    background:linear-gradient(180deg,#F2F6FF 0%,#FFFFFF 100%);
    border-bottom:1px solid var(--line);
    padding:64px 0 72px;
  }
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
  .hero h1{margin:18px 0 0;font-size:50px;}
  .hero-lead{margin-top:18px;font-size:17px;max-width:56ch;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .trust{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;}
  .trust li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
  .hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--sh-1);}
  .hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .hero-media::after{content:"";position:absolute;inset:0;background:rgba(16,24,40,.06);border-radius:16px;pointer-events:none;}

  /* ---------- 确认三件事 ---------- */
  .confirm-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3DDF2;}
  .confirm-main{grid-column:span 7;grid-row:span 2;display:flex;flex-direction:column;}
  .confirm-side{grid-column:span 5;padding:24px;display:flex;flex-direction:column;gap:10px;}
  .media-16-10{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
  .media-16-10 img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .card:hover .media-16-10 img{transform:scale(1.02);}
  .confirm-body{padding:26px;display:flex;flex-direction:column;gap:12px;}
  .confirm-side h3{font-size:19px;}
  .confirm-side p{font-size:15px;}
  .mini-list{margin-top:4px;display:flex;flex-direction:column;gap:8px;}
  .mini-list li{position:relative;padding-left:18px;font-size:15px;color:var(--muted);}
  .mini-list li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--accent);}
  .card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);}
  .text-link{color:var(--brand);font-weight:600;font-size:14px;transition:.16s;}
  .text-link:hover{color:var(--brand-strong);text-decoration:underline;}

  /* ---------- 流程 ---------- */
  .steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .steps::before{content:"";position:absolute;top:32px;left:12%;right:12%;border-top:1px dashed var(--line);}
  .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:12px;}
  .step-num{
    width:56px;height:56px;border-radius:50%;background:#fff;border:1.5px solid var(--accent);
    display:grid;place-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:17px;font-weight:700;color:var(--accent);position:relative;z-index:1;
  }
  .step h3{font-size:19px;}
  .step p{font-size:15px;}
  .step-media{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--brand-soft);margin-top:4px;}
  .step-media img{width:100%;height:100%;object-fit:cover;}

  /* ---------- 列表与筛选 ---------- */
  .list-layout{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start;}
  .filter-card{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--sh-1);}
  .filter-title{font-size:18px;font-weight:600;margin-bottom:6px;}
  .filter-group{padding:16px 0;border-top:1px solid var(--line);}
  .filter-group h3{font-size:14px;font-weight:600;color:var(--muted);margin-bottom:10px;}
  .filter-btns{display:flex;flex-direction:column;gap:6px;}
  .fbtn{
    display:inline-flex;align-items:center;justify-content:flex-start;min-height:40px;padding:0 14px;
    border:1px solid transparent;border-radius:10px;background:#F6F8FC;color:var(--muted);
    font-size:14px;cursor:pointer;transition:.18s;text-align:left;
  }
  .fbtn:hover{background:var(--brand-soft);color:var(--brand);}
  .fbtn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .fbtn[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff;}
  .filter-note{margin-top:6px;padding-top:16px;border-top:1px solid var(--line);}
  .filter-note p{font-size:14px;margin-bottom:12px;}

  .mobile-filters{display:none;gap:8px;overflow-x:auto;padding:4px 0 12px;scrollbar-width:none;-ms-overflow-style:none;}
  .mobile-filters::-webkit-scrollbar{display:none;}
  .mobile-filters .fbtn{flex:0 0 auto;flex-direction:row;border-radius:999px;padding:0 16px;border-color:var(--line);background:#fff;}

  .list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px;}
  .list-head h2{font-size:26px;}
  .list-count{font-size:14px;color:var(--muted);}
  .row-list{display:flex;flex-direction:column;gap:14px;}
  .row-item{
    display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
    padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .row-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3DDF2;}
  .row-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .row-thumb{width:104px;height:66px;border-radius:10px;overflow:hidden;background:var(--brand-soft);flex:0 0 auto;}
  .row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .row-item:hover .row-thumb img{transform:scale(1.03);}
  .row-main h3{font-size:18px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .row-main p{font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:132px;}
  .row-side time{font-size:13.5px;color:var(--muted);}
  .row-link{color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap;}
  .row-item:hover .row-link{text-decoration:underline;}
  .list-more{display:flex;justify-content:center;margin-top:28px;}

  /* ---------- FAQ ---------- */
  .faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start;}
  .faq-aside{position:sticky;top:104px;}
  .faq-aside h2{padding-left:16px;position:relative;}
  .faq-aside h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand);}
  .faq-aside p{margin-top:14px;font-size:15px;max-width:30ch;}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
  .faq-item.is-open{box-shadow:inset 3px 0 0 var(--brand),var(--sh-1);border-color:#D3DDF2;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;
    color:var(--ink);cursor:pointer;transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
  .faq-icon{position:relative;width:24px;height:24px;flex:0 0 auto;}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .18s ease;}
  .faq-icon::before{left:4px;right:4px;top:11px;height:2px;}
  .faq-icon::after{top:4px;bottom:4px;left:11px;width:2px;}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
  .faq-a-inner{padding:0 20px 20px;font-size:15.5px;color:var(--muted);}

  /* ---------- 表单 / CTA ---------- */
  .cta-panel{
    max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--sh-1);overflow:hidden;
  }
  .cta-head{padding:34px 34px 6px;}
  .cta-head h2{font-size:28px;}
  .cta-head p{margin-top:12px;font-size:16px;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:24px 34px 4px;}
  .field{display:flex;flex-direction:column;}
  .field-full{grid-column:span 2;}
  .field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
  .input,.select,.textarea{
    width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;
    background:#fff;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .textarea{min-height:96px;resize:vertical;line-height:1.7;}
  .input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(38,70,184,.15);}
  .field-error{font-size:13px;color:#D92D20;margin-top:6px;display:none;}
  .field.has-error .input,.field.has-error .select{border-color:#D92D20;}
  .field.has-error .field-error{display:block;}
  .cta-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:22px 34px 30px;}
  .benefits{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:14px;color:var(--muted);}
  .benefits span{display:inline-flex;align-items:center;gap:7px;}
  .form-msg{margin:0 34px 26px;padding:12px 16px;border-radius:12px;background:rgba(14,165,164,.10);color:#0B7F7E;font-size:14.5px;display:none;}
  .form-msg.is-show{display:block;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-strong);color:#C7D2E4;margin-top:64px;}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-mark{width:22px;height:22px;border-radius:7px;background:var(--action);display:inline-block;flex:0 0 auto;}
  .footer-brand-text{color:#fff;font-size:17px;font-weight:700;}
  .footer-desc{color:#AFC0DC;font-size:14.5px;max-width:34ch;}
  .footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{color:#C7D2E4;font-size:14.5px;transition:color .18s ease;}
  .footer-col a:hover{color:#fff;text-decoration:underline;}
  .footer-col a:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:4px;}
  .footer-contact li{font-size:14.5px;color:#AFC0DC;}
  .footer-qr{margin-top:16px;padding:14px;border:1px dashed rgba(199,210,228,.45);border-radius:12px;font-size:13.5px;color:#AFC0DC;text-align:center;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    padding:22px 0;border-top:1px solid rgba(199,210,228,.22);font-size:13.5px;color:#AFC0DC;
  }
  .footer-bottom a{color:#C7D2E4;}
  .footer-bottom a:hover{color:#fff;text-decoration:underline;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    h1{font-size:44px;}
    .hero h1{font-size:44px;}
  }
  @media (max-width:1023px){
    .header-inner{height:66px;}
    .header-right .btn{display:none;}
    .menu-toggle{display:inline-flex;}
    .chip-wrap{padding:3px;}
    .chip{min-height:36px;padding:0 13px;font-size:13.5px;}
    .hero{padding:48px 0 56px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-media{max-width:560px;}
    .hero-media img{aspect-ratio:16/9;max-height:260px;}
    .section{padding:64px 0;}
    .list-layout{grid-template-columns:1fr;}
    .filter-card{position:static;}
    .filter-col{display:none;}
    .mobile-filters{display:flex;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .faq-aside{position:static;}
    .faq-aside p{max-width:none;}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container-x{padding:0 16px;}
    h1,.hero h1{font-size:31px;}
    h2{font-size:24px;}
    h3{font-size:19px;}
    .chip-wrap{display:none;}
    .hero{padding:36px 0 44px;}
    .hero-lead{font-size:16px;}
    .hero-actions .btn{flex:1 1 100%;}
    .section{padding:52px 0;}
    .sec-head{margin-bottom:28px;}
    .confirm-grid{grid-template-columns:1fr;}
    .confirm-main,.confirm-side{grid-column:span 1;grid-row:auto;}
    .steps{grid-template-columns:1fr;gap:16px;padding-left:22px;border-left:1px dashed var(--line);}
    .steps::before{display:none;}
    .step-num{width:48px;height:48px;font-size:15px;margin-left:-46px;background:#fff;}
    .row-item{grid-template-columns:1fr;gap:14px;padding:18px;}
    .row-thumb{width:100%;height:auto;aspect-ratio:16/10;}
    .row-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;min-width:0;}
    .form-grid{grid-template-columns:1fr;padding:20px 20px 4px;}
    .field-full{grid-column:span 1;}
    .cta-head{padding:24px 20px 4px;}
    .cta-foot{padding:18px 20px 24px;}
    .form-msg{margin:0 20px 20px;}
    .footer-top{grid-template-columns:1fr;gap:24px;padding:40px 0 28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }

/* roulang page: category2 */
:root{
    --brand:#2646B8;
    --brand-strong:#1D3791;
    --brand-soft:#EEF3FF;
    --accent:#0EA5A4;
    --action:#F2A03D;
    --action-hover:#D98A22;
    --ink:#101828;
    --muted:#5A6884;
    --line:#E4E9F2;
    --bg:#F7F9FC;
    --card:#FFFFFF;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-chip:999px;
    --shadow-1:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
    --shadow-hover:0 12px 32px rgba(38,70,184,.10);
    --shadow-sticky:0 4px 16px rgba(16,24,40,.06);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  h1,h2,h3,h4{margin:0;line-height:1.3}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
  .section{padding:72px 0 0}
  .section:last-of-type{padding-bottom:0}

  /* ---------- 头部与分段标签导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:none;transition:box-shadow .25s}
  .site-header.is-scrolled{box-shadow:var(--shadow-sticky)}
  .header-inner{display:flex;align-items:center;gap:18px;height:72px}
  .logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:0;white-space:nowrap;color:var(--ink)}
  .logo-mark{position:relative;flex:none;width:22px;height:22px;border-radius:7px;background:var(--brand)}
  .logo-mark::before{content:"";position:absolute;left:5px;top:5px;width:8px;height:8px;border-radius:2px;background:#fff}
  .logo-mark::after{content:"";position:absolute;right:4px;bottom:4px;width:5px;height:5px;border-radius:50%;background:var(--action)}
  .logo:hover .logo-mark{transform:translateY(-1px)}
  .logo-mark{transition:transform .18s}

  .chip-wrap{display:flex;align-items:center;gap:4px;margin-left:auto;padding:4px;border-radius:var(--radius-chip);background:var(--brand-soft);overflow-x:auto;scrollbar-width:none}
  .chip-wrap::-webkit-scrollbar{display:none}
  .chip{display:inline-flex;align-items:center;height:36px;padding:0 15px;border-radius:var(--radius-chip);font-size:14px;color:var(--muted);white-space:nowrap;transition:background .18s,color .18s,box-shadow .18s}
  .chip:hover{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(16,24,40,.06)}
  .chip.is-active{background:var(--brand);color:#fff;font-weight:600}
  .chip.is-active:hover{background:var(--brand-strong);color:#fff}

  .header-actions{display:flex;align-items:center;gap:10px}
  .nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff}
  .nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:1px;background:var(--ink);transition:.2s}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:1px;background:var(--ink);transition:.2s}
  .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:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
  .mobile-drawer{padding:6px 0 18px;border-top:1px solid var(--line)}
  .mobile-drawer a{display:flex;align-items:center;min-height:48px;padding:0 4px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}
  .mobile-drawer a:last-of-type{border-bottom:0}
  .mobile-drawer .drawer-cta{margin-top:14px;justify-content:center;border:0}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:background .18s,color .18s,box-shadow .18s,transform .18s,border-color .18s}
  .btn:active{transform:translateY(1px)}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .btn-action{background:var(--action);color:#3A2A08}
  .btn-action:hover{background:var(--action-hover);color:#241A05;box-shadow:0 10px 26px rgba(242,160,61,.28);transform:translateY(-2px)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{background:var(--brand-soft);border-color:#C9D6F7;transform:translateY(-2px)}
  .btn-block{width:100%}
  .btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
  .header-actions .btn{min-height:40px;padding:0 18px;font-size:14px}

  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
  .link-more:hover{color:var(--brand-strong);text-decoration:underline}

  /* ---------- Hero ---------- */
  .hero{background:linear-gradient(180deg,#F2F6FF 0%,#FFFFFF 100%);border-bottom:1px solid var(--line);padding:56px 0 60px}
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
  .crumb a:hover{color:var(--brand);text-decoration:underline}
  .crumb-current{color:var(--muted)}
  .hero h1{font-size:50px;font-weight:700;line-height:1.2;letter-spacing:0}
  .hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:620px}
  .hero-note{margin-top:10px;font-size:14px;color:var(--muted);padding-left:14px;border-left:3px solid var(--brand-soft)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-points{display:flex;flex-direction:column;gap:10px;margin-top:28px}
  .hero-points li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
  .dot{flex:none;width:7px;height:7px;border-radius:50%;background:var(--accent)}
  .hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:4/3}
  .hero-visual img{width:100%;height:100%;object-fit:cover}
  .hero-visual::after{content:"";position:absolute;inset:0;background:rgba(16,24,40,.06)}

  /* ---------- 筛选条 ---------- */
  .filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
  .filter-chip{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-chip);background:#fff;font-size:14px;color:var(--muted);transition:.18s}
  .filter-chip:hover{background:var(--brand-soft);color:var(--brand);border-color:#C9D6F7}
  .filter-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

  /* ---------- 板块标题 ---------- */
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
  .section-head h2{font-size:30px;font-weight:600}
  .section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);margin-bottom:12px}
  .eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}

  /* ---------- 主推大卡 ---------- */
  .feature-card{position:relative;display:flex;align-items:center;min-height:400px;padding:32px;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
  .feature-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .feature-card::after{content:"";position:absolute;inset:0;background:rgba(16,24,40,.28)}
  .feature-panel{position:relative;z-index:2;max-width:580px;background:rgba(255,255,255,.96);border-radius:14px;padding:30px;box-shadow:var(--shadow-1)}
  .feature-panel h2{font-size:28px;font-weight:600;margin-top:14px}
  .feature-panel p{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85}
  .feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .feature-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13px;color:var(--muted)}

  .tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-chip);font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand)}
  .tag-accent{background:rgba(14,165,164,.10);color:#0B7F7E}
  .tag-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500}

  /* ---------- 条目卡片（两列错位） ---------- */
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6E0F5}
  .entry-link{display:block;height:100%}
  .thumb{aspect-ratio:16/10;overflow:hidden;border-radius:12px;background:var(--brand-soft)}
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
  .card:hover .thumb img{transform:scale(1.02)}
  .entry-body{padding:20px 22px 22px}
  .entry-body h3{margin-top:12px;font-size:20px;font-weight:600;line-height:1.45}
  .entry-body p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8}
  .entry-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
  .card-pad{padding:22px}

  /* ---------- 三步流程 ---------- */
  .steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
  .steps::before{content:"";position:absolute;left:12%;right:12%;top:26px;border-top:1px dashed var(--line);z-index:0}
  .step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px 26px}
  .step-num{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;border:1px solid var(--accent);background:#fff;color:var(--accent);font-size:15px;font-weight:700;letter-spacing:.5px;font-variant-numeric:tabular-nums}
  .step h3{margin-top:18px;font-size:20px;font-weight:600}
  .step p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}
  .step-photo{margin-top:18px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--brand-soft)}
  .step-photo img{width:100%;height:100%;object-fit:cover}

  /* ---------- 更新说明（行式） ---------- */
  .row-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden}
  .row-item{display:flex;align-items:center;gap:20px;padding:22px 24px;border-bottom:1px solid var(--line);transition:background .18s}
  .row-item:last-child{border-bottom:0}
  .row-item:hover{background:var(--brand-soft)}
  .row-index{flex:none;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
  .row-main{flex:1;min-width:0}
  .row-main h3{font-size:17px;font-weight:600}
  .row-main p{margin-top:6px;font-size:14.5px;color:var(--muted)}
  .row-side{flex:none;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
  .faq-aside{position:sticky;top:100px}
  .faq-aside h2{font-size:30px;font-weight:600}
  .faq-aside p{margin-top:14px;font-size:15px;color:var(--muted);max-width:280px}
  .faq-aside .btn{margin-top:22px}
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line);border-left:3px solid transparent;padding-left:0;transition:border-color .2s,padding-left .2s}
  .faq-item.is-open{border-left-color:var(--brand);padding-left:16px}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 0;border:0;background:none;text-align:left;font-size:17px;font-weight:600;color:var(--ink)}
  .faq-q:hover{color:var(--brand)}
  .faq-item.is-open .faq-q{color:var(--brand)}
  .faq-sign{position:relative;flex:none;width:22px;height:22px;transition:transform .18s}
  .faq-sign::before,.faq-sign::after{content:"";position:absolute;top:50%;left:0;width:22px;height:2px;border-radius:2px;background:currentColor;transform:translateY(-50%)}
  .faq-sign::after{transform:translateY(-50%) rotate(90deg);transition:opacity .18s}
  .faq-item.is-open .faq-sign{transform:rotate(180deg)}
  .faq-item.is-open .faq-sign::after{opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
  .faq-a-inner{padding:0 40px 20px 0;font-size:15.5px;color:var(--muted);line-height:1.85}

  /* ---------- CTA 与表单 ---------- */
  .cta-panel{position:relative;max-width:900px;margin:0 auto;border-radius:var(--radius-card);overflow:hidden;background:var(--brand);color:#fff;padding:44px 40px;box-shadow:0 18px 48px rgba(38,70,184,.22)}
  .cta-panel h2{font-size:28px;font-weight:600}
  .cta-panel > p{margin-top:14px;font-size:15.5px;color:#D7E2FB;max-width:560px}
  .cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;margin-top:28px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#EAF0FE}
  .field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 14px;border:1px solid rgba(255,255,255,.34);border-radius:10px;background:rgba(255,255,255,.96);color:var(--ink);transition:border-color .18s,box-shadow .18s}
  .field textarea{min-height:96px;resize:vertical;line-height:1.7}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(38,70,184,.28)}
  .field input.is-error,.field select.is-error{border-color:#D92D20}
  .field-error{display:none;margin-top:6px;font-size:13px;color:#FFD5CF}
  .field-error.is-show{display:block}
  .form-note{margin-top:12px;font-size:12.5px;color:#C7D2E4}
  .form-status{margin-top:12px;font-size:14px;color:#B9F3E6;display:none}
  .form-status.is-show{display:block}
  .benefits{display:flex;flex-direction:column;gap:12px}
  .benefit{display:flex;align-items:center;gap:10px;padding:14px 16px;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:rgba(255,255,255,.10);font-size:14px}
  .benefit .dot{background:#7DE3D6}
  .cta-contact{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.22);font-size:14px;color:#D7E2FB}
  .cta-contact a{color:#fff;text-decoration:underline}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:80px;background:var(--brand-strong);color:#C7D2E4}
  .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-mark{position:relative;flex:none;width:20px;height:20px;border-radius:6px;background:var(--action)}
  .footer-mark::after{content:"";position:absolute;inset:6px;border-radius:2px;background:#1D3791}
  .footer-desc{margin:0;max-width:330px;font-size:14px;line-height:1.85;color:#C7D2E4}
  .footer-col h3{margin:0 0 16px;font-size:15px;font-weight:600;color:#fff}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
  .footer-col a:hover{color:#fff;text-decoration:underline}
  .footer-contact li{line-height:1.7}
  .footer-qr{display:inline-flex;margin-top:14px;padding:10px 14px;border:1px dashed rgba(255,255,255,.30);border-radius:10px;font-size:13px;color:#C7D2E4;line-height:1.6}
  .footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.14);font-size:13px}
  .footer-bottom a:hover{color:#fff;text-decoration:underline}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .hero h1{font-size:40px}
    .hero-grid{gap:32px}
    .faq-grid{grid-template-columns:1fr;gap:28px}
    .faq-aside{position:static}
    .faq-aside p{max-width:none}
    .cta-grid{grid-template-columns:1fr;gap:26px}
    .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
    .steps{grid-template-columns:repeat(2,1fr)}
    .steps::before{display:none}
  }
  @media (max-width:768px){
    .container-x{padding:0 16px}
    .section{padding:48px 0 0}
    .header-inner{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px}
    .header-actions{margin-left:auto}
    .header-actions .btn{display:none}
    .nav-toggle{display:inline-flex}
    .chip-wrap{order:3;width:100%;margin-left:0;
      -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
      mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%)}
    .hero{padding:36px 0 44px}
    .hero h1{font-size:31px}
    .hero-sub{font-size:16px}
    .hero-grid{grid-template-columns:1fr;gap:26px}
    .hero-visual{order:2;aspect-ratio:16/10;max-height:260px}
    .feature-card{min-height:0;padding:16px}
    .feature-panel{padding:22px;max-width:none}
    .feature-panel h2{font-size:22px}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px}
    .section-head h2,.faq-aside h2,.cta-panel h2{font-size:24px}
    .steps{grid-template-columns:1fr;gap:16px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:0 16px;padding:20px 18px 22px}
    .step-num{grid-row:span 3;width:56px;height:56px;margin-top:4px}
    .step h3{margin-top:0}
    .step-photo{grid-column:1 / -1;margin-top:16px}
    .row-item{flex-direction:column;align-items:flex-start;gap:12px;padding:18px}
    .row-side{flex-wrap:wrap}
    .cta-panel{padding:30px 20px}
    .footer-top{grid-template-columns:1fr 1fr;gap:26px;padding:40px 0 28px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }
  @media (max-width:520px){
    .hero h1{font-size:27px}
    .hero-actions .btn{width:100%}
    .logo-text{font-size:15.5px}
    .footer-top{grid-template-columns:1fr}
    .feature-actions .btn{width:100%}
  }

/* roulang page: category3 */
:root{
  --brand:#2646B8;
  --brand-strong:#1D3791;
  --brand-soft:#EEF3FF;
  --accent:#0EA5A4;
  --action:#F2A03D;
  --ink:#101828;
  --muted:#5A6884;
  --line:#E4E9F2;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --r-card:15px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --shadow-2:0 12px 32px rgba(38,70,184,.10);
  --shadow-nav:0 4px 16px rgba(16,24,40,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}

.container-x{max-width:1240px;margin:0 auto;padding:0 24px}
@media (max-width:640px){.container-x{padding:0 16px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-nav)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);flex:none}
.brand-mark{
  width:22px;height:22px;border-radius:6px;background:var(--brand);position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:6px;width:10px;height:10px;
  border:2px solid #fff;border-radius:3px;
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.brand-text{white-space:nowrap}

.chip-wrap{
  display:flex;gap:4px;padding:4px;background:var(--brand-soft);
  border-radius:999px;flex:1;justify-content:center;
}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 15px;
  border-radius:999px;font-size:14px;color:var(--muted);
  white-space:nowrap;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#fff;color:var(--brand);border-color:var(--line)}
.chip.is-active{background:var(--brand);color:#fff;font-weight:600}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.header-actions{flex:none;display:flex;align-items:center;gap:10px}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:border-color .18s ease,background .18s ease;
}
.menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-inner{padding:14px 0 20px;display:grid;gap:8px}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--ink);transition:background .18s ease,color .18s ease;
}
.mobile-drawer a.drawer-link:hover{background:var(--brand-soft);color:var(--brand)}
.mobile-drawer a.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-action{background:var(--action);color:#3A2506}
.btn-action:hover{background:#D98A22;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,160,61,.28)}
.btn-action:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost:active{background:#E4EBFF}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,#F2F6FF 0%,#FFFFFF 64%);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(38,70,184,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;
  align-items:center;padding:72px 0 68px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:999px;background:var(--accent);display:inline-block}
.hero h1{
  font-size:clamp(30px,4.1vw,50px);line-height:1.2;font-weight:700;
  letter-spacing:-.01em;margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--muted);max-width:620px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:var(--muted)}
.trust-list li{display:flex;align-items:center;gap:8px}
.trust-list .dot{width:7px;height:7px;border-radius:999px;background:var(--accent);flex:none}
.hero-visual{
  position:relative;border-radius:16px;overflow:hidden;
  aspect-ratio:16/11;background:var(--brand-soft);box-shadow:var(--shadow-1);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(16,24,40,.06)}

/* ---------- Section ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:30px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:600;line-height:1.32;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8}
.section-head .bar{
  display:block;width:44px;height:4px;border-radius:999px;
  background:var(--brand);margin-bottom:16px;
}

/* ---------- Filter ---------- */
.filter-row{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:26px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-row::-webkit-scrollbar{display:none}
.fchip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:14px;white-space:nowrap;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.fchip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.fchip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.fchip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Timeline ---------- */
.timeline-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding-left:58px;margin-bottom:20px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:999px;
  background:#fff;border:1.5px solid var(--accent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 4px var(--bg);z-index:1;
}
.tl-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6DEF0}
.tl-thumb{
  aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--brand-soft);
}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.tl-card:hover .tl-thumb img{transform:scale(1.02)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:600;
}
.tl-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:8px}
.tl-card h3 a{transition:color .18s ease}
.tl-card h3 a:hover{color:var(--brand)}
.tl-card p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.tl-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.tl-link:hover{color:var(--brand-strong);text-decoration:underline}

/* ---------- Side FAQ ---------- */
.side-faq{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1);
}
.side-faq h2{font-size:18px;font-weight:600;margin-bottom:6px}
.side-faq .side-note{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:14px 0;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--brand);font-size:18px;line-height:1;
  transition:transform .18s ease;
}
.faq-item[open] summary{color:var(--brand);border-left:3px solid var(--brand);padding-left:10px}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item p{font-size:14.5px;color:var(--muted);line-height:1.78;padding:0 0 14px 0}
.faq-item[open] p{padding-left:13px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6DEF0}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.step-num{
  width:44px;height:44px;border-radius:999px;border:1.5px solid var(--accent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;flex:none;background:#fff;
}
.step-line{flex:1;height:0;border-top:1px dashed var(--line)}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- Prep grid ---------- */
.prep-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.check-list{display:grid;gap:12px}
.check-list li{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:#D6DEF0;box-shadow:var(--shadow-2)}
.check-list .ck{
  width:22px;height:22px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  flex:none;margin-top:4px;
}
.check-list strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
.check-list span.txt{font-size:14.5px;color:var(--muted);line-height:1.78}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.mini-card .mini-thumb{aspect-ratio:16/10;background:var(--brand-soft);overflow:hidden}
.mini-card .mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-card .mini-body{padding:22px}
.mini-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.mini-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 8px}
.cta-panel{
  position:relative;overflow:hidden;max-width:880px;margin:0 auto;
  background:var(--brand-strong);border-radius:18px;padding:54px 28px;
  text-align:center;color:#fff;box-shadow:var(--shadow-1);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  opacity:.16;
}
.cta-inner{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(22px,2.5vw,28px);font-weight:600;margin-bottom:12px}
.cta-panel p{color:#C7D2E4;font-size:15.5px;line-height:1.8;max-width:600px;margin:0 auto 26px}
.cta-foot{margin-top:20px;font-size:13.5px;color:#A9B8D4}
.cta-foot a{color:#fff;text-decoration:underline}
.cta-foot a:hover{color:var(--action)}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-strong);color:#C7D2E4;margin-top:72px;padding-top:60px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-mark{width:22px;height:22px;border-radius:6px;background:var(--action);flex:none;display:inline-block}
.footer-brand-text{color:#fff;font-weight:700;font-size:17px}
.footer-desc{margin:0;font-size:14px;line-height:1.8;color:#A9B8D4;max-width:330px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:#C7D2E4;transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{color:#A9B8D4;line-height:1.72}
.footer-qr{
  margin-top:14px;border:1px dashed rgba(255,255,255,.25);border-radius:12px;
  padding:14px;font-size:13px;color:#A9B8D4;text-align:center;line-height:1.6;
}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;justify-content:space-between;
  gap:10px;font-size:13px;color:#93A5C4;
}
.footer-bottom a{color:#C7D2E4}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 0;row-gap:10px}
  .brand{font-size:15.5px}
  .chip-wrap{
    order:3;width:100%;flex:none;justify-content:flex-start;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
    border-radius:12px;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
  }
  .chip-wrap::-webkit-scrollbar{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .header-actions{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:52px 0 48px}
  .hero-visual{max-height:260px;aspect-ratio:16/9}
  .timeline-layout{grid-template-columns:1fr;gap:28px}
  .side-faq{position:static}
  .steps{grid-template-columns:1fr;gap:16px}
  .prep-grid{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .steps{grid-template-columns:1fr}
  .tl-card{grid-template-columns:1fr;gap:14px}
  .tl-thumb{max-height:180px}
}
@media (max-width:639px){
  .timeline::before{left:15px}
  .tl-item{padding-left:46px;margin-bottom:16px}
  .tl-node{width:32px;height:32px;font-size:12px;box-shadow:0 0 0 3px var(--bg)}
  .tl-card{padding:16px}
  .tl-card h3{font-size:17px}
  .cta-panel{padding:42px 20px;border-radius:16px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding-top:48px}
  .hero h1{font-size:30px}
}