/* roulang page: index */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2A03D;
  --brand-3:#F7C86A;
  --accent:#0E9F8A;
  --ink:#1B2320;
  --ink-2:#4A554F;
  --line:#E7E0D6;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F4EFE7;
  --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
  --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
  --radius:20px;
  --radius-lg:26px;
  --shadow:0 8px 24px rgba(27,35,32,.06);
  --shadow-hover:0 14px 36px rgba(228,87,46,.14);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  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{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.6px;
  color:var(--brand-1);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-brand);}
.h2{font-size:32px;}
.h3{font-size:22px;}
.lead{color:var(--ink-2);font-size:17px;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .h2{margin:14px 0 12px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}

/* ======= Header ======= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,243,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.4px;flex-shrink:0;}
.brand-dot{
  width:32px;height:32px;border-radius:11px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(228,87,46,.3);
}
.brand-dot span{transform:translateY(-1px);}
.nav-toggle{display:none;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links > li{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(228,87,46,.07);}
.nav-link.active{color:var(--ink);}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-19px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.nav-cta{
  margin-left:12px;display:inline-flex;align-items:center;gap:7px;
  height:44px;padding:0 20px;border-radius:14px;color:#fff;font-size:15px;font-weight:700;
  background:var(--grad-brand);box-shadow:0 8px 20px rgba(228,87,46,.26);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 12px 26px rgba(228,87,46,.32);}
/* Mega */
.has-mega > .nav-link .caret{width:14px;height:14px;margin-left:5px;transition:transform .22s ease;}
.has-mega:hover > .nav-link .caret,
.has-mega:focus-within > .nav-link .caret{transform:rotate(180deg);}
.mega{
  position:absolute;right:0;top:calc(100% + 18px);width:620px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 24px 60px rgba(27,35,32,.14);
  padding:22px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s ease;
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.has-mega:hover .mega,
.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--ink-2);opacity:.75;margin-bottom:10px;}
.mega-list li a{
  display:block;padding:9px 10px;border-radius:12px;font-size:14.5px;font-weight:600;
  transition:background .18s ease,color .18s ease;
}
.mega-list li a:hover{background:var(--surface-2);color:var(--brand-1);}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface-2);
  transition:transform .2s ease, box-shadow .2s ease;
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.mega-card img{height:96px;width:100%;object-fit:cover;}
.mega-card b{display:block;font-size:14px;padding:10px 12px 4px;}
.mega-card em{display:block;font-style:normal;font-size:12.5px;color:var(--ink-2);padding:0 12px 12px;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}

/* ======= Buttons ======= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(228,87,46,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(228,87,46,.34);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24);}
.btn-accent:hover{transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px;border-radius:12px;}

/* ======= Hero ======= */
.hero{
  position:relative;overflow:hidden;color:#fff9f4;
  background-image:linear-gradient(115deg,rgba(27,35,32,.86) 0%,rgba(228,87,46,.82) 58%,rgba(242,160,61,.78) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:96px 0 84px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13.5px;font-weight:600;letter-spacing:.6px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:#3EC9B0;box-shadow:0 0 0 4px rgba(62,201,176,.25);}
.hero h1{font-size:50px;line-height:1.16;margin:22px 0 18px;letter-spacing:.5px;}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#F7C86A 0%,#FFFFFF 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.sub{font-size:18px;color:rgba(255,249,244,.9);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff;}
.hero-note{margin-top:22px;font-size:14px;color:rgba(255,249,244,.78);}
.hero-media{position:relative;}
.hero-media img{
  border-radius:var(--radius-lg);box-shadow:0 30px 60px rgba(0,0,0,.32);
  border:1px solid rgba(255,255,255,.24);
}
.hero-float{
  position:absolute;left:-24px;bottom:28px;background:rgba(255,255,255,.96);color:var(--ink);
  border-radius:16px;padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.22);min-width:186px;
}
.hero-float b{display:block;font-size:22px;}
.hero-float span{font-size:12.5px;color:var(--ink-2);}

/* ======= Stats strip ======= */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:-56px;position:relative;z-index:12;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stat b{display:block;font-size:30px;line-height:1.1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat.alt b{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{display:block;font-size:13.5px;color:var(--ink-2);margin-top:8px;}

/* ======= Capability 2+1 ======= */
.cap-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.cap-main{display:flex;flex-direction:column;}
.cap-main img{height:250px;width:100%;object-fit:cover;}
.cap-body{padding:26px 28px 30px;}
.cap-body h3{font-size:23px;margin-bottom:10px;}
.cap-body p{color:var(--ink-2);font-size:16px;}
.cap-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.cap-row{display:grid;grid-template-columns:132px 1fr;gap:0;align-items:stretch;}
.cap-row img{height:100%;width:100%;object-fit:cover;}
.cap-row .txt{padding:20px 22px;}
.cap-row h4{font-size:18px;margin-bottom:8px;}
.cap-row p{font-size:14.5px;color:var(--ink-2);}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
}
.tag-brand{background:rgba(228,87,46,.1);color:var(--brand-1);}
.tag-accent{background:rgba(14,159,138,.12);color:var(--accent);}
.tag-line{background:var(--surface-2);color:var(--ink-2);}

/* ======= Steps ======= */
.steps{display:grid;gap:16px;}
.step{
  display:grid;grid-template-columns:78px 1fr auto;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateX(4px);border-color:rgba(228,87,46,.35);box-shadow:var(--shadow-hover);}
.step-no{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#fff;background:var(--grad-brand);
}
.step.alt .step-no{background:var(--grad-accent);}
.step h4{font-size:18.5px;margin-bottom:6px;}
.step p{font-size:14.8px;color:var(--ink-2);}
.step .chip{
  font-size:13px;font-weight:700;color:var(--ink-2);background:var(--surface-2);
  padding:7px 14px;border-radius:999px;white-space:nowrap;
}

/* ======= Cases ======= */
.case-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;}
.case-main{display:flex;flex-direction:column;}
.case-main img{height:280px;width:100%;object-fit:cover;}
.case-main .txt{padding:26px 28px;}
.case-main h3{font-size:22px;margin:14px 0 10px;}
.case-main p{color:var(--ink-2);font-size:15.5px;}
.case-stack{display:grid;gap:24px;}
.case-mini{display:grid;grid-template-columns:150px 1fr;}
.case-mini img{height:100%;min-height:146px;width:100%;object-fit:cover;}
.case-mini .txt{padding:18px 20px;}
.case-mini h4{font-size:17px;margin:10px 0 8px;}
.case-mini p{font-size:14px;color:var(--ink-2);}
.meta-line{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-2);margin-top:12px;}

/* ======= CMS list ======= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-cover{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-cover img{transform:scale(1.05);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17.5px;line-height:1.5;margin:12px 0 10px;}
.post-body h3 a:hover{color:var(--brand-1);}
.post-body p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);}
.post-foot .more{font-weight:700;color:var(--brand-1);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-lg);background:var(--surface-2);
}
.empty-state .icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad-brand);
  opacity:.85;display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800;
}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}

/* ======= Voices ======= */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.voice{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
}
.voice::before{
  content:"“";position:absolute;top:6px;right:22px;font-size:64px;line-height:1;
  color:rgba(228,87,46,.14);font-weight:800;
}
.voice p{font-size:15.5px;color:var(--ink-2);}
.voice .who{display:flex;align-items:center;gap:12px;margin-top:20px;}
.avatar{
  width:44px;height:44px;border-radius:14px;background:var(--grad-accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;
}
.who b{display:block;font-size:15px;}
.who span{font-size:13px;color:var(--ink-2);}

/* ======= FAQ ======= */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:4px 20px;box-shadow:var(--shadow);transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(228,87,46,.4);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;flex-shrink:0;border-radius:9px;background:var(--surface-2);
  display:grid;place-items:center;font-weight:800;color:var(--brand-1);transition:transform .22s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(228,87,46,.12);}
.faq-item .ans{padding:0 0 20px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px;}

/* ======= CTA / Contact ======= */
.cta-band{
  background:var(--ink);color:#F6F1E9;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-brand);opacity:.22;filter:blur(20px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:84px 0;}
.cta-inner .eyebrow{color:var(--brand-3);}
.cta-inner .eyebrow::before{background:var(--grad-brand);}
.cta-inner h2{font-size:34px;margin:16px 0 14px;color:#fff;}
.cta-inner p{color:rgba(246,241,233,.78);font-size:16px;}
.info-list{margin-top:28px;display:grid;gap:14px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:rgba(246,241,233,.85);}
.info-list i{
  width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.1);flex-shrink:0;
  display:grid;place-items:center;font-style:normal;font-size:15px;color:var(--brand-3);
}
.form-card{
  background:var(--surface);color:var(--ink);border-radius:var(--radius-lg);padding:30px 28px;
  box-shadow:0 24px 60px rgba(0,0,0,.24);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .tip{font-size:13.5px;color:var(--ink-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;height:50px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);
  padding:0 16px;font-size:15px;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field textarea{height:104px;padding:14px 16px;resize:vertical;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(14,159,138,.12);outline:none;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:12.8px;color:var(--ink-2);margin-top:14px;}

/* ======= Footer ======= */
.site-footer{background:#141A17;color:#C9C4B9;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 44px;}
.site-footer .brand{color:#fff;font-size:18px;margin-bottom:16px;}
.site-footer p{color:rgba(201,196,185,.8);font-size:14px;line-height:1.85;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.6px;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(201,196,185,.85);transition:color .18s ease,padding-left .18s ease;}
.footer-links a:hover{color:var(--brand-2);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(201,196,185,.7);
}
.footer-bottom a:hover{color:var(--brand-2);}

/* ======= Responsive ======= */
@media (max-width:1180px){
  .hero h1{font-size:42px;}
  .mega{width:560px;}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0 64px;}
  .hero-media{max-width:560px;}
  .hero-float{left:auto;right:16px;}
  .cap-grid,.case-grid,.cta-inner{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-burger{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:76px;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);padding:12px 20px 22px;
    gap:2px;display:none;box-shadow:0 20px 40px rgba(27,35,32,.12);max-height:78vh;overflow-y:auto;
  }
  .nav-toggle:checked ~ .nav-links{display:flex;}
  .nav-toggle:checked ~ .nav-links .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;box-shadow:none;border-radius:16px;margin-top:8px;padding:16px;
  }
  .nav-link{height:46px;width:100%;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(228,87,46,.08);color:var(--brand-1);}
  .nav-cta{margin:12px 0 0;}
  .header-inner{gap:12px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
  .hero h1{font-size:34px;}
  .hero h1 br{display:none;}
  .h2{font-size:26px;}
  .stats-strip{grid-template-columns:1fr 1fr;margin-top:-36px;gap:14px;}
  .npost-grid,.post-grid{grid-template-columns:1fr;}
  .voice-grid,.faq-grid,.form-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:64px 1fr;gap:14px;}
  .step .chip{grid-column:2;justify-self:start;}
  .case-mini{grid-template-columns:1fr;}
  .case-mini img{min-height:170px;}
  .cap-row{grid-template-columns:1fr;}
  .cap-row img{height:170px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .cta-inner{padding:64px 0;}
}
@media (max-width:520px){
  .wrap{padding:0 18px;}
  .hero h1{font-size:29px;}
  .hero-actions .btn{width:100%;}
  .stats-strip{grid-template-columns:1fr;}
  .brand{font-size:16.5px;}
  .brand-dot{width:28px;height:28px;border-radius:10px;font-size:13px;}
}

/* roulang page: article */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2A03D;
  --brand-3:#F7C86A;
  --accent:#0E9F8A;
  --accent-2:#3EC9B0;
  --ink:#1B2320;
  --ink-2:#4A554F;
  --line:#E7E0D6;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F4EFE7;
  --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
  --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
  --radius:20px;
  --radius-lg:26px;
  --shadow:0 8px 24px rgba(27,35,32,.06);
  --shadow-hover:0 14px 36px rgba(228,87,46,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
::selection{background:rgba(228,87,46,.18);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,243,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px;}
.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-dot{
  width:36px;height:36px;border-radius:50%;
  background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(228,87,46,.3);flex:none;
}
.nav-toggle{display:none;}
.nav-burger{display:none;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  position:relative;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(228,87,46,.08);}
.nav-link.active{color:var(--ink);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;
  background:var(--grad-brand);
}
.caret{width:15px;height:15px;transition:transform .2s ease;}
.has-mega{position:relative;}
.has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg);}
.mega{
  position:absolute;top:calc(100% + 16px);right:0;width:640px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:0 24px 56px rgba(27,35,32,.16);
  padding:24px;display:grid;grid-template-columns:1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink-2);margin-bottom:12px;text-transform:uppercase;}
.mega-list li{margin:2px 0;}
.mega-list a{
  display:block;padding:10px 12px;border-radius:12px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:.2s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-1);transform:translateX(3px);}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card b{display:block;font-size:15px;margin:12px 14px 4px;}
.mega-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-2);margin:0 14px 14px;line-height:1.6;}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(228,87,46,.4);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  margin-left:10px;padding:11px 22px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(228,87,46,.28);
  transition:transform .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05);}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 56px;
  background:var(--ink);
}
.page-banner .banner-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(228,87,46,.88) 0%,rgba(242,160,61,.72) 58%,rgba(27,35,32,.72) 100%);
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.82);}
.breadcrumb a{color:rgba(255,255,255,.88);transition:.2s;border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:#fff;border-color:rgba(255,255,255,.6);}
.breadcrumb i{font-style:normal;opacity:.6;}
.breadcrumb em{font-style:normal;color:#fff;opacity:.95;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:22px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.post-title{font-size:38px;line-height:1.3;margin:16px 0 0;max-width:900px;color:#fff;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.86);}
.post-meta .badge-cat{
  padding:4px 12px;border-radius:999px;background:#fff;color:var(--brand-1);
  font-weight:700;font-size:13px;
}

/* ---------- Article layout ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;
  gap:44px;align-items:start;
  padding:52px 0 0;
}
.article-main{min-width:0;}
.post-lead{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:22px;margin-bottom:26px;
}
.post-lead img{border-radius:18px;aspect-ratio:16/10;object-fit:cover;width:100%;}
.post-lead .lead-title{font-size:14px;font-weight:700;color:var(--brand-1);letter-spacing:.1em;margin-bottom:8px;}
.post-lead p{font-size:15px;color:var(--ink-2);line-height:1.85;}

.prose{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:40px 44px;font-size:17.5px;line-height:1.95;color:var(--ink);
}
.prose > *:first-child{margin-top:0;}
.prose h2{font-size:25px;line-height:1.4;margin:2em 0 .75em;padding-left:14px;border-left:5px solid var(--brand-1);border-radius:2px;}
.prose h3{font-size:20px;line-height:1.5;margin:1.8em 0 .6em;color:var(--ink);}
.prose h4{font-size:17px;margin:1.5em 0 .5em;}
.prose p{margin:0 0 1.15em;}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:1.4em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:.45em 0;}
.prose li::marker{color:var(--brand-1);}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--surface-2);
  border-left:4px solid var(--accent);border-radius:0 16px 16px 0;color:var(--ink-2);font-size:16.5px;
}
.prose img{border-radius:16px;margin:1.6em auto;}
.prose a{color:var(--accent);border-bottom:1px solid rgba(14,159,138,.35);transition:.2s;}
.prose a:hover{color:var(--brand-1);border-color:rgba(228,87,46,.5);}
.prose strong{font-weight:800;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;display:block;overflow-x:auto;}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;}
.prose th{background:var(--surface-2);font-weight:700;}
.prose code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:15px;}

.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:64px 32px;text-align:center;box-shadow:var(--shadow);
}
.empty-art{
  width:88px;height:88px;border-radius:26px;background:var(--grad-brand);opacity:.9;
  display:grid;place-items:center;margin:0 auto 22px;color:#fff;font-size:30px;font-weight:800;
}
.empty-state h2{font-size:24px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15.5px;max-width:520px;margin:0 auto 22px;}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;
}
.side-title{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--grad-brand);}
.side-list li + li{margin-top:6px;}
.side-list a{display:block;padding:11px 13px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink);transition:.2s;border:1px solid transparent;}
.side-list a span{display:block;font-size:13px;font-weight:400;color:var(--ink-2);margin-top:3px;line-height:1.6;}
.side-list a:hover{background:var(--surface-2);border-color:var(--line);color:var(--brand-1);transform:translateX(3px);}
.side-card-dark{background:var(--ink);border-color:transparent;color:#EDE7DC;}
.side-card-dark .side-title{color:#fff;}
.side-card-dark p{font-size:14.5px;color:#B9B3A8;line-height:1.85;margin-bottom:16px;}
.side-facts{display:flex;gap:10px;margin-bottom:16px;}
.side-facts div{flex:1;background:rgba(255,255,255,.07);border-radius:14px;padding:10px 12px;}
.side-facts b{display:block;font-size:18px;color:var(--brand-2);font-variant-numeric:tabular-nums;}
.side-facts em{font-style:normal;font-size:12px;color:#9C968C;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:14px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(228,87,46,.28);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(228,87,46,.32);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{padding:11px 20px;font-size:14.5px;border-radius:12px;width:100%;background:var(--grad-brand);color:#fff;box-shadow:0 8px 18px rgba(228,87,46,.3);}
.btn-sm:hover{filter:brightness(1.06);transform:translateY(-1px);}

/* ---------- Related ---------- */
.related{margin-top:44px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.related-head h2{font-size:26px;}
.related-head span{font-size:14px;color:var(--ink-2);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(228,87,46,.35);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-self:flex-start;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(14,159,138,.12);color:var(--accent);margin-bottom:10px;
}
.rel-card h3{font-size:17px;line-height:1.55;margin-bottom:8px;}
.rel-card p{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-more{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px;}
.rel-card:hover .rel-more{gap:10px;}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:76px;background:var(--ink);color:#EDE7DC;position:relative;overflow:hidden;
  padding:62px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-brand);opacity:.28;filter:blur(10px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:10px;}
.cta-inner p{font-size:15.5px;color:#B9B3A8;max-width:620px;line-height:1.85;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#EDE7DC;margin-top:0;padding:58px 0 24px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:38px;}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer p{color:#B9B3A8;font-size:15px;line-height:1.9;max-width:360px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links li{margin:9px 0;font-size:15px;color:#B9B3A8;}
.footer-links a{color:#B9B3A8;transition:color .2s ease;}
.footer-links a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:#9C968C;
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .article-shell{grid-template-columns:minmax(0,1fr) 300px;gap:34px;}
}
@media (max-width:1024px){
  .nav-burger{
    display:flex;width:46px;height:42px;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;
  }
  .nav-burger span{position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .nav-burger span::before{top:-6px;}
  .nav-burger span::after{top:6px;}
  .nav-links{
    position:fixed;left:0;right:0;top:76px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 20px 44px rgba(27,35,32,.14);
    padding:16px 20px 28px;
    max-height:calc(100vh - 76px);overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-toggle:checked ~ .nav-links{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-link{width:100%;padding:12px 14px;font-size:16px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(228,87,46,.1);color:var(--brand-1);}
  .has-mega{position:static;}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;padding:6px 0 0;grid-template-columns:1fr;gap:16px;
  }
  .nav-cta{width:100%;margin:10px 0 0;padding:14px;}
  .article-shell{grid-template-columns:1fr;gap:30px;padding-top:40px;}
  .article-side{position:static;}
  .post-title{font-size:31px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .page-banner{padding:38px 0 44px;}
  .post-title{font-size:26px;}
  .breadcrumb em{max-width:220px;}
  .prose{padding:28px 22px;font-size:17px;}
  .prose h2{font-size:22px;}
  .post-lead{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .header-inner{height:68px;}
  .nav-links{top:68px;}
  .brand{font-size:16px;}
  .brand-dot{width:32px;height:32px;font-size:14px;}
  .post-title{font-size:22px;}
  .banner-tag{font-size:12px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
    --brand-1:#E4572E;
    --brand-2:#F2A03D;
    --brand-3:#F7C86A;
    --accent:#0E9F8A;
    --ink:#1B2320;
    --ink-2:#4A554F;
    --line:#E7E0D6;
    --bg:#FBF8F3;
    --surface:#FFFFFF;
    --surface-2:#F4EFE7;
    --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
    --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
    --radius-lg:24px;
    --radius:20px;
    --radius-sm:14px;
    --shadow:0 8px 24px rgba(27,35,32,.06);
    --shadow-hover:0 14px 36px rgba(228,87,46,.14);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;padding:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  ul,ol{margin:0;padding:0;list-style:none}
  button{font-family:inherit}
  .num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,"PingFang SC",sans-serif}
  .wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;border-radius:10px;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(251,248,243,.94);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px}
  .brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
  .brand-dot{
    width:36px;height:36px;border-radius:12px;flex:none;
    background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;font-size:17px;font-weight:800;
    box-shadow:0 6px 16px rgba(228,87,46,.32);
  }
  .nav-toggle{display:none}
  .nav-burger{display:none}
  .nav-links{display:flex;align-items:center;gap:2px}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    padding:10px 12px;border-radius:12px;
    font-size:15px;color:var(--ink-2);
    transition:background .2s ease,color .2s ease;
  }
  .nav-link:hover{color:var(--ink);background:var(--surface-2)}
  .nav-link.active{color:var(--ink);font-weight:700}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;
    border-radius:3px;background:var(--grad-brand);
  }
  .has-mega{position:relative}
  .caret{width:14px;height:14px;transition:transform .22s ease}
  .mega{
    position:absolute;top:calc(100% + 12px);right:0;width:600px;
    display:grid;grid-template-columns:1fr 1.1fr;gap:22px;
    padding:22px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);box-shadow:0 24px 60px rgba(27,35,32,.16);
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    z-index:90;text-align:left;
  }
  .has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
  .has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg)}
  .mega-title{font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.08em;margin-bottom:10px}
  .mega-list li a{display:block;padding:9px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);transition:.18s ease}
  .mega-list li a:hover{background:var(--surface-2);color:var(--brand-1)}
  .mega-card{display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface);transition:.22s ease}
  .mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F3D4C5}
  .mega-card img{width:100%;height:94px;object-fit:cover}
  .mega-card b{display:block;padding:10px 12px 2px;font-size:15px;color:var(--ink)}
  .mega-card em{display:block;padding:0 12px 12px;font-style:normal;font-size:13px;color:var(--ink-2);line-height:1.6}
  .nav-cta{
    display:inline-flex;align-items:center;margin-left:8px;
    padding:11px 20px;border-radius:14px;
    background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 10px 24px rgba(228,87,46,.28);
    transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(228,87,46,.38);filter:brightness(1.04)}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(115deg,rgba(27,35,32,.86) 0%,rgba(228,87,46,.72) 55%,rgba(242,160,61,.62) 100%),url("/assets/images/backpic/back-1.png");
    background-size:cover;background-position:center;
    padding:40px 0 64px;color:#fff;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
    background-size:22px 22px;opacity:.5;
  }
  .page-hero .wrap{position:relative;z-index:2}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:22px}
  .crumb a{color:rgba(255,255,255,.82);transition:color .2s ease}
  .crumb a:hover{color:#fff}
  .crumb .sep{opacity:.6}
  .crumb .current{color:#fff;font-weight:600}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 14px;border-radius:999px;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
    font-size:13.5px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-3)}
  .hero-title{font-size:clamp(30px,4vw,50px);line-height:1.18;font-weight:800;margin:0 0 18px;letter-spacing:.2px}
  .hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);margin:0 0 26px;max-width:520px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:14px;font-size:15.5px;font-weight:700;
    border:1px solid transparent;cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  }
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(228,87,46,.34)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(228,87,46,.44);filter:brightness(1.05)}
  .btn-outline{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5)}
  .btn-outline:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
  .btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
  .btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
  .badge-row{display:flex;flex-wrap:wrap;gap:12px}
  .data-badge{
    display:flex;align-items:baseline;gap:8px;
    padding:10px 16px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
    font-size:13.5px;color:rgba(255,255,255,.92);
  }
  .data-badge b{font-size:19px;font-weight:800;color:#fff}
  .hero-media{position:relative}
  .hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:28px;border:1px solid rgba(255,255,255,.34);
    box-shadow:0 30px 60px rgba(15,20,18,.34);
  }
  .hero-media .float-card{
    position:absolute;left:-18px;bottom:-18px;
    background:#fff;color:var(--ink);
    border-radius:18px;padding:14px 18px;
    box-shadow:0 18px 40px rgba(15,20,18,.24);
    display:flex;align-items:center;gap:12px;
  }
  .float-card .dot{width:36px;height:36px;border-radius:12px;background:var(--grad-accent);display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px}
  .float-card b{display:block;font-size:14.5px}
  .float-card span{display:block;font-size:12.5px;color:var(--ink-2)}

  /* ---------- layout ---------- */
  .layout{display:grid;grid-template-columns:268px 1fr;gap:40px;align-items:start;padding-top:64px;padding-bottom:24px}
  .side-nav{position:sticky;top:100px}
  .side-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink-2);margin-bottom:12px}
  .side-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow)}
  .side-list li a{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    padding:11px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);
    transition:.2s ease;
  }
  .side-list li a::after{content:"›";color:#C4B8A8;font-size:17px;line-height:1}
  .side-list li a:hover{background:var(--surface-2);color:var(--brand-1)}
  .side-list li a:hover::after{color:var(--brand-1)}
  .side-help{
    margin-top:18px;padding:20px;border-radius:var(--radius);
    background:linear-gradient(150deg,#FFF6EC 0%,#FDEFE2 100%);
    border:1px solid #F3DCC6;
  }
  .side-help b{display:block;font-size:16px;margin-bottom:8px;color:var(--ink)}
  .side-help p{margin:0 0 14px;font-size:13.5px;line-height:1.75;color:var(--ink-2)}
  .btn-mini{
    display:inline-flex;align-items:center;gap:6px;
    padding:10px 16px;border-radius:12px;font-size:14px;font-weight:700;
    background:var(--grad-accent);color:#fff;
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .btn-mini:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,159,138,.3)}

  /* ---------- sections ---------- */
  .block{margin-bottom:64px;scroll-margin-top:110px}
  .sec-head{margin-bottom:24px}
  .sec-tag{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 13px;border-radius:999px;
    background:var(--surface-2);border:1px solid var(--line);
    font-size:12.5px;font-weight:700;color:var(--brand-1);letter-spacing:.06em;margin-bottom:12px;
  }
  .sec-title{font-size:clamp(22px,2.4vw,31px);line-height:1.3;font-weight:800;margin:0 0 12px}
  .sec-sub{font-size:16px;line-height:1.85;color:var(--ink-2);margin:0;max-width:760px}

  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .entry-card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3D4C5}
  .entry-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
  .entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .entry-card:hover .thumb img{transform:scale(1.04)}
  .chip{
    position:absolute;left:12px;top:12px;
    padding:5px 12px;border-radius:999px;
    background:rgba(255,255,255,.94);color:var(--brand-1);
    font-size:12.5px;font-weight:700;letter-spacing:.02em;
  }
  .chip.accent{color:var(--accent)}
  .entry-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
  .entry-card h3{font-size:19px;font-weight:700;margin:0;line-height:1.45}
  .entry-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
  .card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}
  .card-meta span{font-size:13px;color:#8C877D}
  .card-meta a{font-size:14px;font-weight:700;color:var(--accent);transition:.2s ease}
  .card-meta a:hover{color:var(--brand-1)}

  /* ---------- steps ---------- */
  .steps{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px 26px;box-shadow:var(--shadow);
  }
  .step{position:relative;padding-right:12px}
  .step-idx{
    display:grid;place-items:center;width:42px;height:42px;border-radius:14px;
    background:var(--grad-brand);color:#fff;font-weight:800;font-size:17px;
    box-shadow:0 10px 22px rgba(228,87,46,.26);margin-bottom:14px;
  }
  .step:nth-child(2n) .step-idx{background:var(--grad-accent);box-shadow:0 10px 22px rgba(14,159,138,.24)}
  .step h3{font-size:17px;font-weight:700;margin:0 0 8px}
  .step p{margin:0;font-size:14px;line-height:1.78;color:var(--ink-2)}

  /* ---------- device tips ---------- */
  .tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .tip-card{
    border-radius:var(--radius);padding:24px;
    border:1px solid var(--line);background:var(--surface);
    box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
  }
  .tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
  .tip-card.tint-a{background:linear-gradient(160deg,#F0FBF8 0%,#FFFFFF 70%);border-color:#CDEDE6}
  .tip-card.tint-b{background:linear-gradient(160deg,#FFF6EC 0%,#FFFFFF 70%);border-color:#F3DCC6}
  .tip-card h3{font-size:18px;font-weight:700;margin:0 0 10px}
  .tip-card p{margin:0 0 14px;font-size:14.5px;line-height:1.82;color:var(--ink-2)}
  .tip-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;color:var(--ink-2);line-height:1.75;padding:7px 0;
  }
  .tip-list li::before{
    content:"";flex:none;width:8px;height:8px;border-radius:50%;
    background:var(--brand-2);margin-top:9px;
  }
  .tip-card.tint-a .tip-list li::before{background:var(--accent)}

  /* ---------- faq ---------- */
  .faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:#F3D4C5;box-shadow:var(--shadow-hover)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:18px 20px;cursor:pointer;list-style:none;
    font-size:16.5px;font-weight:700;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";flex:none;width:11px;height:11px;
    border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
    transform:rotate(45deg);transition:transform .22s ease;margin-top:-4px;
  }
  .faq-item[open] summary::after{transform:rotate(-135deg);margin-top:3px}
  .faq-item[open] summary{color:var(--brand-1)}
  .faq-body{
    padding:0 20px 20px;font-size:14.5px;line-height:1.86;color:var(--ink-2);
    background:var(--surface-2);border-top:1px solid var(--line);padding-top:16px;
  }

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink);color:#F6F1E9;
    border-radius:28px;padding:52px 48px;
    display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
    box-shadow:0 26px 60px rgba(27,35,32,.22);
  }
  .cta-band::after{
    content:"";position:absolute;right:-90px;top:-80px;width:340px;height:340px;border-radius:50%;
    background:var(--grad-brand);opacity:.26;filter:blur(6px);
  }
  .cta-band h2{position:relative;font-size:clamp(22px,2.6vw,32px);line-height:1.32;font-weight:800;margin:0 0 14px;color:#fff}
  .cta-band p{position:relative;margin:0;font-size:15.5px;line-height:1.85;color:rgba(246,241,233,.84);max-width:620px}
  .cta-actions{position:relative;display:flex;flex-direction:column;gap:12px}
  .cta-actions .btn{width:100%}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:#D8D2C8;margin-top:88px;padding:64px 0 26px}
  .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
  .site-footer .brand{color:#fff;font-size:18px;margin-bottom:16px}
  .site-footer p{margin:0;font-size:14px;line-height:1.85;color:rgba(216,210,200,.82);max-width:340px}
  .footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.08em;margin-bottom:16px}
  .footer-links li{font-size:14px;line-height:2.1;color:rgba(216,210,200,.82)}
  .footer-links li a{transition:color .2s ease}
  .footer-links li a:hover{color:var(--brand-2)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    padding-top:22px;font-size:13px;color:rgba(216,210,200,.66);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1080px){
    .layout{grid-template-columns:1fr;gap:32px}
    .side-nav{position:static}
    .side-list{display:flex;flex-wrap:wrap;gap:6px;padding:8px}
    .side-list li{flex:1 1 auto}
    .side-list li a{padding:9px 12px}
    .side-list li a::after{display:none}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-band{grid-template-columns:1fr;padding:42px 34px}
  }
  @media (max-width:1024px){
    .nav-burger{
      display:grid;place-items:center;width:46px;height:46px;flex:none;
      border-radius:13px;border:1px solid var(--line);background:#fff;cursor:pointer;
    }
    .nav-burger span{position:relative;display:block;width:20px;height:2px;border-radius:2px;background:var(--ink)}
    .nav-burger span::before,.nav-burger span::after{
      content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:var(--ink);
    }
    .nav-burger span::before{top:-6px}
    .nav-burger span::after{top:6px}
    .nav-links{
      position:absolute;left:0;right:0;top:78px;
      flex-direction:column;align-items:stretch;gap:4px;
      background:#fff;border-bottom:1px solid var(--line);
      padding:14px 24px 22px;display:none;
      box-shadow:0 22px 44px rgba(27,35,32,.12);
      max-height:calc(100vh - 78px);overflow-y:auto;
    }
    .nav-toggle:checked ~ .nav-links{display:flex}
    .nav-link{justify-content:space-between;padding:13px 14px;border-radius:12px;font-size:16px}
    .nav-link.active::after{display:none}
    .nav-link.active{background:var(--surface-2)}
    .mega{
      position:static;width:auto;grid-template-columns:1fr;gap:14px;
      opacity:1;visibility:visible;transform:none;
      box-shadow:none;border:1px solid var(--line);padding:16px;margin:6px 0 10px;
      display:none;
    }
    .has-mega:hover .mega,.has-mega:focus-within .mega{display:grid}
    .has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg)}
    .nav-cta{margin:10px 0 0;justify-content:center;width:100%}
  }
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero-media{order:-1}
    .hero-media .float-card{left:12px;bottom:-14px}
    .card-grid{grid-template-columns:1fr}
    .tip-grid,.faq-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:640px){
    .wrap{padding:0 18px}
    .header-inner{min-height:70px}
    .brand{font-size:17px}
    .brand-dot{width:32px;height:32px;border-radius:10px;font-size:15px}
    .nav-links{top:70px;padding:12px 18px 20px}
    .page-hero{padding:28px 0 48px}
    .hero-title{font-size:28px}
    .hero-sub{font-size:15.5px}
    .btn{width:100%;padding:13px 20px}
    .hero-actions{flex-direction:column}
    .data-badge{width:100%;justify-content:flex-start}
    .layout{padding-top:44px}
    .block{margin-bottom:48px}
    .steps{grid-template-columns:1fr;padding:22px 20px}
    .cta-band{padding:34px 22px;border-radius:22px}
    .footer-top{grid-template-columns:1fr}
    .site-footer{padding:48px 0 22px;margin-top:64px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }

/* roulang page: category2 */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2A03D;
  --brand-3:#F7C86A;
  --accent:#0E9F8A;
  --ink:#1B2320;
  --ink-2:#4A554F;
  --line:#E7E0D6;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F4EFE7;
  --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
  --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
  --shadow-sm:0 8px 24px rgba(27,35,32,.06);
  --shadow-lg:0 14px 36px rgba(228,87,46,.14);
  --radius:20px;
  --radius-lg:26px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.8;letter-spacing:.1px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(242,160,61,.28);}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,"PingFang SC",sans-serif;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:74px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;
}
.brand-dot{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 16px rgba(228,87,46,.28);flex:0 0 auto;
}
.nav-toggle{display:none;}
.nav-burger{display:none;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:var(--surface-2);}
.nav-link.active{color:var(--brand-1);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:3px;background:var(--grad-brand);
}
.caret{width:16px;height:16px;transition:transform .22s ease;}
.has-mega{position:relative;}
.has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg);}
.mega{
  position:absolute;top:calc(100% + 14px);right:0;width:660px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:0 26px 64px rgba(27,35,32,.16);
  padding:24px;display:grid;grid-template-columns:1fr 1.25fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.6px;margin-bottom:14px;}
.mega-list li+li{margin-top:4px;}
.mega-list a{
  display:block;padding:9px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-1);padding-left:16px;}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:var(--surface);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#F3D4BC;}
.mega-card img{width:100%;height:96px;object-fit:cover;border-radius:14px;margin:8px 8px 0;width:calc(100% - 16px);}
.mega-card b{display:block;font-size:15px;padding:10px 14px 2px;}
.mega-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-2);padding:0 14px 14px;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  margin-left:12px;padding:11px 22px;border-radius:14px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 22px rgba(228,87,46,.24);
  transition:filter .2s ease,transform .2s ease;
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px);}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(105deg,rgba(27,35,32,.88) 0%,rgba(228,87,46,.78) 58%,rgba(242,160,61,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:0 0 34px 34px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cat-hero-inner{position:relative;z-index:2;padding:34px 24px 46px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.82);}
.crumb a{transition:color .2s ease;}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.55;}
.crumb .cur{color:#fff;font-weight:700;}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.18;margin:20px 0 14px;max-width:820px;
  text-shadow:0 2px 18px rgba(0,0,0,.22);
}
.cat-hero .lead{
  font-size:clamp(15.5px,1.6vw,18px);color:rgba(255,255,255,.92);
  max-width:720px;line-height:1.85;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:700;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;backdrop-filter:blur(6px);
}
.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--brand-3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:14px;font-size:16px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(228,87,46,.28);}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 16px 34px rgba(228,87,46,.34);}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;padding:12px 20px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:14px;color:rgba(255,255,255,.92);backdrop-filter:blur(6px);
}
.stat-pill b{font-size:22px;color:#fff;}
.stat-pill .u{font-size:13px;color:var(--brand-3);font-weight:700;}

/* ---------- section base ---------- */
.section{padding:78px 0;}
.section.tight{padding:60px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-block;font-size:13.5px;font-weight:800;letter-spacing:1.2px;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(25px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16.5px;}
.bg-soft{background:var(--surface-2);border-radius:34px;}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow-sm);
}
.filter-bar .fb-label{font-size:14px;color:var(--ink-2);font-weight:700;margin-right:6px;}
.filter-bar input{position:absolute;opacity:0;pointer-events:none;}
.filter-bar label{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);background:var(--surface-2);
  border:1px solid transparent;cursor:pointer;
  transition:all .2s ease;
}
.filter-bar label:hover{border-color:#F1D5C2;color:var(--brand-1);}
.filter-bar input:checked+label{
  background:var(--grad-brand);color:#fff;font-weight:700;
  box-shadow:0 10px 20px rgba(228,87,46,.22);
}
.filter-bar input:focus-visible+label{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- data card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;margin-top:26px;}
.span-4{grid-column:span 4;}
.span-2{grid-column:span 2;}
.data-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.data-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#F3D4BC;}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;height:190px;object-fit:cover;transition:transform .35s ease;}
.data-card.feature .card-media img{height:100%;min-height:260px;}
.data-card:hover .card-media img{transform:scale(1.04);}
.data-card.feature{flex-direction:row;}
.data-card.feature .card-media{flex:1 1 46%;}
.data-card.feature .card-body{flex:1 1 54%;}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.badge-brand{background:linear-gradient(120deg,rgba(228,87,46,.14),rgba(247,200,106,.22));color:#B93D17;}
.badge-accent{background:linear-gradient(120deg,rgba(14,159,138,.14),rgba(62,201,176,.2));color:#0A7A6A;}
.badge-plain{background:var(--surface-2);color:var(--ink-2);}
.data-card h3{font-size:19.5px;line-height:1.4;}
.data-card p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--ink-2);
}
.card-meta a{font-weight:700;color:var(--brand-1);transition:color .2s ease;}
.card-meta a:hover{color:var(--accent);}

/* ---------- feature band ---------- */
.band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px;
}
.band-item{
  padding:24px 22px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.band-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.band-item .dot{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:15px;margin-bottom:14px;
}
.dot-o{background:var(--grad-brand);}
.dot-g{background:var(--grad-accent);}
.band-item h3{font-size:17px;margin-bottom:8px;}
.band-item p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;counter-reset:s;}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.step::before{
  counter-increment:s;content:"0" counter(s);
  display:block;font-size:26px;font-weight:800;color:var(--brand-1);
  font-family:Inter,system-ui,sans-serif;margin-bottom:10px;letter-spacing:1px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75;}
.step::after{
  content:"";position:absolute;top:46px;right:-14px;width:14px;height:2px;background:var(--line);
}
.step:last-child::after{display:none;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:0 20px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#F1D5C2;}
.faq-item[open]{box-shadow:var(--shadow-lg);border-color:#F3D4BC;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:4px;top:26px;width:10px;height:10px;
  border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-body{
  padding:0 0 20px;font-size:15px;color:var(--ink-2);line-height:1.85;
  border-top:1px solid var(--line);padding-top:16px;margin-bottom:20px;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:34px;color:#fff;
  background:var(--ink);padding:58px 46px;
}
.cta-band::before{
  content:"";position:absolute;inset:auto -120px -160px auto;width:420px;height:420px;
  background:var(--grad-brand);opacity:.28;filter:blur(30px);border-radius:50%;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr 1fr;gap:38px;align-items:center;}
.cta-inner h2{font-size:clamp(25px,3vw,34px);margin-bottom:14px;color:#fff;}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin:0;}
.cta-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:24px;}
.cta-form label{display:block;font-size:14px;color:rgba(255,255,255,.86);margin-bottom:10px;font-weight:700;}
.field{
  width:100%;height:50px;border-radius:14px;padding:0 16px;font-size:15px;
  background:rgba(255,255,255,.96);border:1px solid transparent;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field::placeholder{color:#9AA39D;}
.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(14,159,138,.22);}
.cta-form .hint{font-size:13px;color:rgba(255,255,255,.62);margin:12px 0 0;}
.cta-form .btn{width:100%;margin-top:16px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);margin-top:84px;padding:60px 0 26px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px;}
.site-footer .brand{color:#fff;font-size:18px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:16px;max-width:340px;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-links li{font-size:14.5px;line-height:1.9;margin-bottom:8px;color:rgba(255,255,255,.68);}
.footer-links a{transition:color .2s ease;}
.footer-links a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-link{padding:10px 11px;font-size:14.5px;}
  .mega{width:600px;}
}
@media (max-width:1023px){
  .header-inner{min-height:66px;gap:14px;}
  .nav-burger{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;margin-left:auto;border-radius:12px;
    background:var(--surface-2);cursor:pointer;padding:0 12px;
  }
  .nav-burger span,.nav-burger::before,.nav-burger::after{
    content:"";display:block;height:2px;border-radius:2px;background:var(--ink);
    transition:transform .22s ease,opacity .22s ease;
  }
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 18px 22px;box-shadow:0 22px 44px rgba(27,35,32,.12);
    max-height:78vh;overflow-y:auto;
  }
  .nav-toggle:checked ~ .nav-links{display:flex;}
  .nav-link{padding:12px 12px;font-size:16px;}
  .nav-link.active::after{left:12px;right:auto;width:26px;bottom:6px;}
  .mega{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;border-radius:16px;margin:6px 0 10px;padding:16px;
    grid-template-columns:1fr;gap:16px;background:var(--surface-2);
  }
  .has-mega:hover .mega{display:grid;}
  .has-mega:focus-within .mega{display:grid;}
  .mega-card img{height:110px;}
  .nav-cta{margin:10px 0 0;width:100%;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .span-4,.span-2{grid-column:span 1;}
  .data-card.feature{flex-direction:column;}
  .data-card.feature .card-media img{height:200px;min-height:0;}
  .band,.steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-band{padding:44px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .section{padding:56px 0;}
  .cat-hero-inner{padding:24px 18px 38px;}
  .card-grid{grid-template-columns:1fr;}
  .band,.steps{grid-template-columns:1fr;}
  .stat-pill{padding:10px 16px;font-size:13px;}
  .stat-pill b{font-size:19px;}
  .hero-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .filter-bar{padding:14px;}
}

/* roulang page: category3 */
:root{
    --brand-1:#E4572E;
    --brand-2:#F2A03D;
    --brand-3:#F7C86A;
    --accent:#0E9F8A;
    --accent-2:#3EC9B0;
    --ink:#1B2320;
    --ink-2:#4A554F;
    --line:#E7E0D6;
    --bg:#FBF8F3;
    --surface:#FFFFFF;
    --surface-2:#F4EFE7;
    --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
    --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
    --radius-lg:24px;
    --radius-md:20px;
    --radius-sm:14px;
    --shadow-1:0 8px 24px rgba(27,35,32,.06);
    --shadow-2:0 14px 36px rgba(228,87,46,.14);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button,input,textarea,select{font:inherit;color:inherit;}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:8px;
  }
  .wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
  .num{font-family:Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(251,248,243,.94);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
  .brand-dot{
    width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
    background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 8px 18px rgba(228,87,46,.32);
  }
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    padding:9px 13px;border-radius:12px;font-size:15px;color:var(--ink-2);
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:var(--ink);background:var(--surface-2);}
  .nav-link.active{color:var(--brand-1);font-weight:700;}
  .nav-link.active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:1px;height:3px;
    border-radius:3px;background:var(--grad-brand);
  }
  .nav-cta{
    display:inline-flex;align-items:center;padding:10px 20px;border-radius:999px;
    background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 10px 24px rgba(228,87,46,.28);
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:var(--shadow-2);}
  .has-mega{position:relative;}
  .caret{width:14px;height:14px;transition:transform .22s ease;}
  .has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg);}
  .mega{
    position:absolute;top:calc(100% + 12px);right:0;width:640px;
    display:grid;grid-template-columns:1fr 1.05fr;gap:22px;
    padding:22px;background:var(--surface);border:1px solid var(--line);
    border-radius:20px;box-shadow:0 26px 60px rgba(27,35,32,.16);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-1);margin-bottom:10px;}
  .mega-list{display:grid;gap:6px;}
  .mega-list a{display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:background .2s ease,color .2s ease;}
  .mega-list a:hover{background:var(--surface-2);color:var(--brand-1);}
  .mega-card{display:block;padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--surface);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
  .mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.35);}
  .mega-card img{width:100%;height:92px;object-fit:cover;border-radius:12px;}
  .mega-card b{display:block;font-size:15px;margin-top:10px;}
  .mega-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-2);line-height:1.6;}
  .nav-toggle{position:absolute;opacity:0;pointer-events:none;}
  .nav-burger{
    display:none;width:44px;height:44px;margin-left:auto;border-radius:12px;
    border:1px solid var(--line);background:var(--surface);cursor:pointer;
    align-items:center;justify-content:center;position:relative;
  }
  .nav-burger span,.nav-burger span::before,.nav-burger span::after{
    content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  }
  .nav-burger span{position:relative;}
  .nav-burger span::before{position:absolute;top:-6px;left:0;}
  .nav-burger span::after{position:absolute;top:6px;left:0;}

  /* ============ Hero ============ */
  .cat-hero{
    position:relative;overflow:hidden;color:#fff;padding:78px 0 70px;
    background-image:
      linear-gradient(115deg,rgba(27,35,32,.78) 0%,rgba(228,87,46,.78) 58%,rgba(242,160,61,.72) 100%),
      url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
    background-size:22px 22px;opacity:.5;pointer-events:none;
  }
  .cat-hero .wrap{position:relative;z-index:2;}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);}
  .crumbs a:hover{color:#fff;text-decoration:underline;}
  .crumbs .sep{opacity:.6;}
  .crumbs .now{color:#fff;font-weight:600;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;margin-top:22px;
    padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
    background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.36);
  }
  .hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--brand-3);display:block;}
  .cat-hero h1{
    margin-top:18px;font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:800;
    max-width:900px;letter-spacing:.5px;
  }
  .hero-sub{margin-top:18px;max-width:760px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.92);}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:50px;padding:0 26px;border-radius:14px;font-size:15.5px;font-weight:700;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
  }
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(228,87,46,.3);}
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--shadow-2);}
  .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
  .btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}
  .btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);}
  .btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
  .hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px;}
  .hero-stat{
    flex:1 1 190px;min-width:170px;padding:16px 20px;border-radius:16px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
    backdrop-filter:blur(4px);
  }
  .hero-stat b{display:block;font-size:26px;font-weight:800;line-height:1.2;}
  .hero-stat span{font-size:13.5px;color:rgba(255,255,255,.85);}

  /* ============ Section shell ============ */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-alt{background:var(--surface-2);}
  .sec-head{max-width:760px;}
  .sec-kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
    letter-spacing:.1em;color:var(--brand-1);text-transform:uppercase;
  }
  .sec-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);}
  .sec-head h2{margin-top:14px;font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:800;}
  .sec-head p{margin-top:14px;color:var(--ink-2);font-size:16.5px;}

  /* ============ Scene cards ============ */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
  .scene-card{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:30px 26px 28px;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.3);}
  .scene-card .idx{
    font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:800;letter-spacing:.1em;
    color:var(--brand-1);
  }
  .scene-card h3{margin-top:12px;font-size:21px;font-weight:700;}
  .scene-card p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
  .scene-card ul{margin-top:16px;display:grid;gap:9px;}
  .scene-card li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);}
  .scene-card li::before{
    content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
    background:var(--grad-accent);
  }
  .scene-card.highlight{background:linear-gradient(160deg,#fff 0%,#FFF3E6 100%);}

  /* ============ Timeline ============ */
  .timeline{position:relative;margin-top:46px;padding-left:44px;}
  .timeline::before{
    content:"";position:absolute;left:16px;top:10px;bottom:10px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,var(--brand-1),var(--brand-3) 55%,var(--accent));
  }
  .tl-item{position:relative;margin-bottom:24px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-num{
    position:absolute;left:-44px;top:18px;width:34px;height:34px;border-radius:50%;
    display:grid;place-items:center;color:#fff;font-size:13.5px;font-weight:800;
    background:var(--grad-brand);border:3px solid var(--bg);
    box-shadow:0 8px 18px rgba(228,87,46,.3);
  }
  .tl-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:24px 26px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .tl-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2);}
  .tl-card h3{font-size:19.5px;font-weight:700;}
  .tl-card p{margin-top:10px;color:var(--ink-2);font-size:15.5px;}
  .tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
  .chip{
    display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
    font-size:13px;font-weight:600;background:var(--surface-2);color:var(--ink-2);
    border:1px solid var(--line);
  }
  .chip-accent{background:rgba(14,159,138,.1);color:#0B7A6A;border-color:rgba(14,159,138,.28);}
  .chip-brand{background:rgba(228,87,46,.1);color:#B33F1C;border-color:rgba(228,87,46,.28);}

  /* ============ Venue grid ============ */
  .venue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
  .venue-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .venue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .venue-card img{width:100%;height:150px;object-fit:cover;}
  .venue-card .body{padding:18px 20px 22px;}
  .venue-card h3{font-size:17.5px;font-weight:700;}
  .venue-card p{margin-top:9px;color:var(--ink-2);font-size:14.5px;line-height:1.75;}

  /* ============ Stats band ============ */
  .stat-band{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px;
  }
  .stat-box{
    padding:24px 22px;border-radius:var(--radius-md);background:var(--surface);
    border:1px solid var(--line);box-shadow:var(--shadow-1);
  }
  .stat-box b{display:block;font-size:30px;font-weight:800;line-height:1.15;}
  .stat-box b.orange{color:var(--brand-1);}
  .stat-box b.teal{color:var(--accent);}
  .stat-box span{display:block;margin-top:8px;font-size:14px;color:var(--ink-2);}

  /* ============ Price / notes ============ */
  .price-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;margin-top:44px;}
  .price-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:30px 28px;box-shadow:var(--shadow-1);
  }
  .price-card h3{font-size:20px;font-weight:700;}
  .price-card .price-line{
    display:flex;justify-content:space-between;align-items:baseline;gap:16px;
    padding:16px 0;border-bottom:1px dashed var(--line);
  }
  .price-card .price-line:last-of-type{border-bottom:none;}
  .price-card .price-line span{font-size:15px;color:var(--ink-2);}
  .price-card .price-line b{font-size:18px;font-weight:800;color:var(--brand-1);}
  .note-list{display:grid;gap:14px;margin-top:18px;}
  .note-list li{
    background:var(--surface-2);border-radius:var(--radius-sm);padding:16px 18px;
    font-size:14.5px;color:var(--ink-2);border:1px solid var(--line);
  }
  .note-list b{display:block;color:var(--ink);font-size:15.5px;margin-bottom:6px;}

  /* ============ FAQ ============ */
  .faq-wrap{margin-top:42px;display:grid;gap:14px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
  }
  .faq-item:hover{box-shadow:var(--shadow-1);border-color:rgba(14,159,138,.35);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:18px;padding:19px 24px;font-size:17px;font-weight:700;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    display:grid;place-items:center;background:var(--surface-2);color:var(--brand-1);
    font-size:18px;font-weight:700;transition:transform .2s ease,background .2s ease;
  }
  .faq-item[open] summary::after{content:"−";background:var(--grad-brand);color:#fff;transform:rotate(180deg);}
  .faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}

  /* ============ CTA band ============ */
  .cta-band{
    background:var(--ink);color:#FBF6EE;border-radius:28px;padding:52px 46px;
    display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
    background:var(--grad-brand);opacity:.28;filter:blur(6px);
  }
  .cta-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;font-weight:800;position:relative;z-index:2;}
  .cta-band p{margin-top:14px;color:rgba(251,246,238,.78);font-size:15.5px;position:relative;z-index:2;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
  .cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
  .cta-actions .btn-outline:hover{border-color:var(--brand-3);color:var(--brand-3);}

  /* ============ Footer ============ */
  .site-footer{background:var(--ink);color:#D7D2C8;margin-top:88px;padding:62px 0 26px;}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
  .site-footer .brand{color:#fff;margin-bottom:16px;}
  .site-footer p{font-size:14.5px;line-height:1.85;color:rgba(215,210,200,.82);max-width:340px;}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-links{display:grid;gap:11px;}
  .footer-links a,.footer-links li{font-size:14.5px;color:rgba(215,210,200,.86);transition:color .2s ease;}
  .footer-links a:hover{color:var(--brand-2);}
  .footer-bottom{
    margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13.5px;color:rgba(215,210,200,.7);
  }

  /* ============ Responsive ============ */
  @media (max-width:1100px){
    .venue-grid{grid-template-columns:repeat(2,1fr);}
    .stat-band{grid-template-columns:repeat(2,1fr);}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:1023px){
    .nav-burger{display:flex;}
    .nav-links{
      position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;
      align-items:stretch;gap:4px;padding:14px 20px 24px;background:var(--surface);
      border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(27,35,32,.12);
      max-height:82vh;overflow-y:auto;
    }
    .nav-toggle:checked ~ .nav-links{display:flex;}
    .nav-link{padding:13px 12px;font-size:16px;}
    .nav-link.active::after{left:12px;right:auto;width:26px;bottom:6px;}
    .nav-cta{justify-content:center;margin-top:10px;}
    .has-mega{width:100%;}
    .mega{
      position:static;width:auto;opacity:1;visibility:visible;transform:none;
      display:none;grid-template-columns:1fr;padding:14px 0 6px;border:none;
      box-shadow:none;background:transparent;
    }
    .has-mega:hover .mega,.has-mega:focus-within .mega{display:grid;}
    .scene-grid{grid-template-columns:1fr;}
    .price-wrap{grid-template-columns:1fr;}
    .cta-band{grid-template-columns:1fr;padding:40px 28px;}
    .section{padding:64px 0;}
  }
  @media (max-width:767px){
    .wrap{padding:0 18px;}
    .cat-hero{padding:56px 0 52px;}
    .hero-stat{flex:1 1 100%;}
    .venue-grid{grid-template-columns:1fr;}
    .stat-band{grid-template-columns:1fr;}
    .timeline{padding-left:36px;}
    .timeline::before{left:13px;}
    .tl-num{left:-36px;width:30px;height:30px;font-size:12.5px;}
    .tl-card{padding:20px 18px;}
    .footer-top{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }
  @media (max-width:520px){
    .cat-hero h1{font-size:28px;}
    .hero-sub{font-size:15.5px;}
    .btn{width:100%;}
    .hero-actions{flex-direction:column;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category4 */
:root{
  --brand-1:#E4572E;--brand-2:#F2A03D;--brand-3:#F7C86A;
  --accent:#0E9F8A;--accent-2:#3EC9B0;
  --ink:#1B2320;--ink-2:#4A554F;--line:#E7E0D6;
  --bg:#FBF8F3;--surface:#FFFFFF;--surface-2:#F4EFE7;
  --grad-brand:linear-gradient(120deg,#E4572E 0%,#F2A03D 62%,#F7C86A 100%);
  --grad-accent:linear-gradient(120deg,#0E9F8A 0%,#3EC9B0 100%);
  --r-sm:14px;--r:20px;--r-lg:26px;
  --sh-1:0 8px 24px rgba(27,35,32,.06);
  --sh-2:0 14px 36px rgba(228,87,46,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px}
p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,sans-serif}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,243,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
.brand-dot{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:800;box-shadow:0 6px 16px rgba(228,87,46,.28);flex:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--brand-1);background:var(--surface-2)}
.nav-link.active{color:var(--brand-1);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;background:var(--grad-brand)}
.caret{width:16px;height:16px;transition:transform .22s ease}
.has-mega{position:relative}
.has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg)}
.mega{position:absolute;right:0;top:calc(100% + 10px);width:640px;display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 24px 60px rgba(27,35,32,.16);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:1px;margin-bottom:12px}
.mega-list li+li{margin-top:6px}
.mega-list a{display:block;padding:9px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);transition:.2s}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-1)}
.mega-card{display:block;padding:12px;border:1px solid var(--line);border-radius:16px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-3)}
.mega-card img{border-radius:12px;aspect-ratio:16/10;object-fit:cover;margin-bottom:10px}
.mega-card b{display:block;font-size:15px}
.mega-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-2);margin-top:4px;line-height:1.6}
.nav-cta{display:inline-flex;align-items:center;padding:11px 20px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;box-shadow:0 8px 20px rgba(228,87,46,.26);transition:filter .2s ease,transform .2s ease}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;width:44px;height:44px;margin-left:auto;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(150deg,#FFFFFF 0%,#FDF3E9 58%,#FBE7D6 100%);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.16}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:var(--grad-brand);opacity:.12;filter:blur(10px)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:68px 0 76px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--ink);font-weight:700}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1)}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.16;margin:20px 0 16px}
.hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--r-sm);font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,background .2s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(228,87,46,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(228,87,46,.3)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.hero-media{position:relative}
.hero-media img{border-radius:var(--r-lg);box-shadow:0 22px 50px rgba(27,35,32,.16);aspect-ratio:4/3;object-fit:cover}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 16px;box-shadow:0 14px 34px rgba(27,35,32,.14)}
.float-card b{display:block;font-size:15px}
.float-card em{font-style:normal;font-size:12px;color:var(--ink-2)}
.float-a{left:-18px;bottom:36px}
.float-b{right:-14px;top:28px}
.float-b .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:6px}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-1);margin-bottom:12px}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head p{margin-top:14px;color:var(--ink-2)}

/* zigzag */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.zig+.zig{margin-top:72px}
.zig-media img{border-radius:var(--r-lg);box-shadow:var(--sh-1);aspect-ratio:16/11;object-fit:cover}
.zig.reverse .zig-media{order:2}
.zig h3{font-size:clamp(21px,2.4vw,26px);margin-bottom:14px}
.zig p{color:var(--ink-2)}
.ticks{margin-top:20px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink)}
.tick{flex:none;width:22px;height:22px;border-radius:8px;background:var(--grad-accent);color:#fff;font-size:13px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;margin-top:5px}

/* 场景卡 */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-3)}
.card .ico{width:44px;height:44px;border-radius:14px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-2)}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;background:#FDF0E6;color:var(--brand-1);margin-bottom:12px}
.tag.teal{background:#E4F5F1;color:#0B7F6E}

/* 表格 */
.table-shell{margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto}
.table-scroll table{min-width:760px}
.table-scroll th,.table-scroll td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);white-space:nowrap}
.table-scroll thead th{background:var(--surface-2);font-size:14px;color:var(--ink-2);letter-spacing:.5px;font-weight:700}
.table-scroll tbody tr:last-child td{border-bottom:0}
.table-scroll tbody tr:hover{background:#FFFBF5}
.table-scroll td:first-child{font-weight:700;color:var(--ink)}
.mark{display:inline-flex;align-items:center;gap:6px;font-weight:700}
.mark.hi{color:var(--brand-1)}
.mark.mid{color:#0B7F6E}
.table-note{padding:14px 20px;font-size:13px;color:var(--ink-2);background:#fff}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:44px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;box-shadow:var(--sh-1)}
.step .no{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:15px}
.step:nth-child(even) .no{background:var(--grad-accent)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* FAQ */
.faq-wrap{max-width:920px;margin-top:40px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item+.faq-item{margin-top:14px}
.faq-item[open]{border-color:var(--brand-3);box-shadow:var(--sh-1)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:700;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";font-size:19px;color:var(--brand-1);transition:transform .22s ease;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:2px 22px 20px;font-size:15px;color:var(--ink-2);background:var(--surface-2);border-top:1px solid var(--line);padding-top:16px}

/* CTA */
.cta-band{background:var(--ink);color:#F6F1E9;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-80px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:var(--grad-brand);opacity:.22;filter:blur(6px)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-120px;width:340px;height:340px;border-radius:50%;background:var(--grad-accent);opacity:.18}
.cta-inner{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;padding:72px 0}
.cta-inner h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-inner p{margin-top:14px;color:#C9CFC9;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.25)}
.btn-line{background:transparent;color:#F6F1E9;border-color:rgba(246,241,233,.36)}
.btn-line:hover{border-color:var(--brand-2);color:var(--brand-2)}
.cta-card{background:rgba(255,255,255,.06);border:1px solid rgba(246,241,233,.16);border-radius:var(--r);padding:26px}
.cta-card h3{color:#fff;font-size:18px;margin-bottom:16px}
.cta-card li{display:flex;justify-content:space-between;gap:12px;font-size:15px;color:#C9CFC9;padding:10px 0;border-bottom:1px dashed rgba(246,241,233,.16)}
.cta-card li:last-child{border-bottom:0}
.cta-card li b{color:var(--brand-3)}

/* footer */
.site-footer{background:var(--ink);color:#C9CFC9;padding:64px 0 26px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-footer .brand{color:#fff}
.site-footer .brand-dot{box-shadow:none}
.footer-top p{font-size:14px;color:#9EA8A1;margin-top:16px;max-width:340px}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.footer-links li+li{margin-top:10px}
.footer-links a,.footer-links li{font-size:14px;color:#9EA8A1;transition:color .2s ease}
.footer-links a:hover{color:var(--brand-2)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(246,241,233,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#85908A}

/* responsive */
@media (max-width:1023px){
  .header-inner{gap:12px}
  .nav-burger{display:inline-flex}
  .nav-links{position:absolute;left:0;right:0;top:calc(100% + 10px);flex-direction:column;align-items:stretch;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:0 24px 54px rgba(27,35,32,.16);display:none}
  .nav-toggle:checked ~ .nav-links{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:#FDF0E6}
  .nav-cta{justify-content:center;margin-top:8px}
  .mega{display:none}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:48px 0 56px}
  .hero .lead{max-width:none}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig.reverse .zig-media{order:0}
  .zig+.zig{margin-top:52px}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:18px}
  .steps{grid-template-columns:repeat(2,1fr);gap:16px}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:56px 0}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .float-a{left:8px;bottom:16px}
  .float-b{right:8px;top:16px}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .brand{font-size:17px}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .float-card{padding:10px 12px;border-radius:14px}
  .float-card b{font-size:13px}
  .float-card em{font-size:11px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}