/* roulang page: index */
:root{
  --primary:#1F6F63;
  --primary-dark:#17564D;
  --mist:#B9CDB8;
  --stone:#E7E2D8;
  --amber:#D9822B;
  --bg:#F6F4EF;
  --bg-alt:#F1EEE6;
  --white:#FFFFFF;
  --ink:#17211F;
  --ink-2:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --danger:#B33A3A;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(23,33,31,.06);
  --shadow-hover:0 14px 34px rgba(23,33,31,.10);
  --shadow-float:0 10px 30px rgba(23,33,31,.18);
  --font-serif:"Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-serif);font-weight:600;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid rgba(217,130,43,.55);outline-offset:3px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:110px 0;}
.section--alt{background:var(--white);}
.section--stone{background:var(--bg-alt);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(140deg,var(--primary) 0%,#2E8C7C 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:17px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--font-serif);font-size:16px;font-weight:700;letter-spacing:.04em;}
.brand-text span{font-size:11px;color:var(--ink-2);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--ink-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--primary);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.lang-chip{
  font-size:13px;color:var(--ink-2);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;letter-spacing:.06em;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border-radius:var(--radius-sm);padding:14px 24px;
  transition:background .2s ease,transform .18s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(31,111,99,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(31,111,99,.07);color:var(--primary-dark);}
.btn-amber{background:var(--amber);color:#fff;}
.btn-amber:hover{background:#C1731F;color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:15px;font-weight:600;
  border-bottom:1px solid rgba(31,111,99,.4);
  padding-bottom:2px;transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-color:var(--primary-dark);color:var(--primary-dark);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);
  align-items:center;justify-content:center;font-size:18px;
  background:rgba(255,255,255,.6);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,58,52,.92) 0%,rgba(23,86,77,.84) 46%,rgba(23,86,77,.58) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  min-height:620px;display:flex;flex-direction:column;justify-content:center;
  padding:96px 0 84px;max-width:680px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:13px;letter-spacing:.14em;color:#DCEBE4;
  border:1px solid rgba(185,205,184,.5);border-radius:999px;
  padding:7px 16px;margin-bottom:26px;background:rgba(255,255,255,.06);
}
.hero h1{
  font-size:52px;line-height:1.25;color:#fff;letter-spacing:.01em;
  margin-bottom:22px;
}
.hero-sub{
  font-size:18px;line-height:1.9;color:#DCEBE4;margin-bottom:34px;max-width:600px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-metrics{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:rgba(255,255,255,.16);
  border-top:1px solid rgba(255,255,255,.2);
}
.hero-metric{padding:26px 24px;background:rgba(15,58,52,.55);}
.hero-metric strong{display:block;font-family:var(--font-serif);font-size:28px;color:#fff;}
.hero-metric span{display:block;font-size:13.5px;color:#C9DED6;margin-top:6px;letter-spacing:.04em;}

/* ---------- Section head ---------- */
.section-head{max-width:760px;margin-bottom:56px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--primary);
  text-transform:none;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.section-head h2{font-size:34px;line-height:1.35;margin-bottom:16px;}
.section-head p{color:var(--ink-2);font-size:16.5px;}

/* ---------- Feature (5/7) ---------- */
.feature-layout{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}
.feature-aside{position:sticky;top:104px;}
.feature-aside h2{font-size:34px;line-height:1.35;margin-bottom:18px;}
.feature-aside p{color:var(--ink-2);font-size:16px;margin-bottom:24px;}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px;}
.feature-item{
  border-top:1px solid var(--card-line);padding-top:20px;
}
.feature-item .num{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--amber);
  letter-spacing:.1em;display:block;margin-bottom:10px;
}
.feature-item h3{font-size:20px;line-height:1.45;margin-bottom:10px;}
.feature-item p{font-size:15.5px;color:var(--ink-2);line-height:1.85;}

/* ---------- Demo (6/6) ---------- */
.demo-layout{display:grid;grid-template-columns:6fr 6fr;gap:60px;align-items:center;}
.demo-copy h2{font-size:32px;line-height:1.35;margin-bottom:18px;}
.demo-copy p{color:var(--ink-2);font-size:16.5px;}
.demo-points{margin-top:26px;display:grid;gap:14px;}
.demo-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:16px;color:var(--ink);
  padding:14px 18px;background:var(--white);
  border:1px solid var(--card-line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.demo-points li:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,111,99,.3);}
.demo-points i{color:var(--primary);margin-top:6px;font-size:13px;}
.demo-figure{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--card-line);
  box-shadow:var(--shadow);background:var(--white);position:relative;
}
.demo-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.demo-figure figcaption{
  padding:16px 20px;font-size:14px;color:var(--ink-2);
  border-top:1px solid var(--card-line);background:var(--white);
}

/* ---------- Evidence ---------- */
.evidence-top{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px;}
.stat-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.stat-card strong{
  display:block;font-family:var(--font-serif);font-size:40px;line-height:1.1;color:var(--primary);
}
.stat-card span{display:block;font-size:13.5px;color:var(--ink-2);margin-top:10px;letter-spacing:.03em;}
.timeline{position:relative;padding-left:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:var(--line);
}
.tl-item{position:relative;padding-top:38px;}
.tl-item::before{
  content:"";position:absolute;top:4px;left:0;width:15px;height:15px;border-radius:50%;
  background:var(--white);border:3px solid var(--primary);
}
.tl-item h4{font-size:18px;margin-bottom:10px;}
.tl-item p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.quote-card{
  margin-top:56px;background:var(--bg-alt);border-left:4px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;padding:30px 34px;
  display:grid;grid-template-columns:1fr 220px;gap:32px;align-items:center;
}
.quote-card blockquote{
  margin:0;font-family:var(--font-serif);font-size:19px;line-height:1.8;color:var(--ink);
}
.quote-card cite{display:block;margin-top:14px;font-style:normal;font-size:14px;color:var(--ink-2);}
.quote-card img{border-radius:var(--radius-sm);aspect-ratio:4/3;object-fit:cover;border:1px solid var(--card-line);}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;align-items:stretch;}
.price-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:32px 28px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,111,99,.3);}
.price-card.is-featured{border-color:rgba(217,130,43,.55);position:relative;}
.price-card .plan-name{font-family:var(--font-serif);font-size:21px;margin-bottom:8px;}
.price-card .plan-desc{font-size:14.5px;color:var(--ink-2);margin-bottom:20px;min-height:48px;}
.price-card .plan-num{
  font-family:var(--font-serif);font-size:30px;color:var(--primary);margin-bottom:22px;
}
.price-card .plan-num small{font-size:14px;color:var(--ink-2);font-family:var(--font-sans);margin-left:6px;}
.plan-points{display:grid;gap:12px;margin-bottom:26px;}
.plan-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7;}
.plan-points i{color:var(--primary);font-size:12px;margin-top:7px;}
.price-card .btn{margin-top:auto;}
.badge-amber{
  position:absolute;top:-13px;left:28px;
  background:var(--amber);color:#fff;font-size:12.5px;letter-spacing:.08em;
  padding:5px 14px;border-radius:999px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--card-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;text-align:left;font-family:var(--font-serif);
  font-size:17.5px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);position:relative;transition:border-color .2s ease,background .2s ease;
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--primary);transition:transform .2s ease,opacity .2s ease;
}
.faq-q .icon::before{left:7px;right:7px;top:12px;height:1.5px;}
.faq-q .icon::after{top:7px;bottom:7px;left:12px;width:1.5px;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q .icon{border-color:var(--primary);background:rgba(31,111,99,.07);}
.faq-item.is-open .faq-q .icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .24s ease;
}
.faq-a p{
  font-size:16px;color:var(--ink-2);line-height:1.9;padding:0 0 26px;max-width:740px;
}

/* ---------- Latest ---------- */
.latest-layout{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:start;}
.latest-lead{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.latest-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,111,99,.3);}
.latest-lead-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.latest-lead-body{padding:28px 30px 32px;}
.meta-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);margin-bottom:14px;letter-spacing:.02em;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(31,111,99,.09);color:var(--primary);
  font-size:12.5px;padding:4px 12px;border-radius:999px;letter-spacing:.04em;
}
.latest-lead-body h3{font-size:24px;line-height:1.45;margin-bottom:14px;}
.latest-lead-body h3 a:hover{color:var(--primary);}
.latest-lead-body p{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin-bottom:18px;}
.latest-list{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:8px 26px;box-shadow:var(--shadow);
}
.latest-list li{padding:20px 0;border-bottom:1px solid var(--card-line);}
.latest-list li:last-child{border-bottom:none;}
.latest-list h4{font-size:17px;line-height:1.55;margin-bottom:8px;}
.latest-list h4 a:hover{color:var(--primary);}
.latest-list p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:8px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;text-align:center;color:var(--ink-2);background:var(--white);
}
.empty-state i{font-size:26px;color:var(--mist);display:block;margin-bottom:14px;}
.empty-state p{font-size:15.5px;margin:0;}

/* ---------- CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;color:#fff;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,58,52,.94) 0%,rgba(23,86,77,.86) 60%,rgba(31,111,99,.72) 100%);
}
.final-cta .container{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;}
.final-cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.final-cta h2{font-size:34px;line-height:1.35;color:#fff;margin-bottom:18px;}
.final-cta p{color:#D3E5DE;font-size:16.5px;max-width:560px;}
.final-cta-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.final-cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.final-cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.cta-panel{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius);padding:28px;backdrop-filter:blur(4px);
}
.cta-panel h3{color:#fff;font-size:19px;margin-bottom:16px;}
.cta-panel ul{display:grid;gap:12px;}
.cta-panel li{display:flex;gap:10px;font-size:15px;color:#DCEBE4;line-height:1.7;}
.cta-panel i{color:var(--mist);font-size:13px;margin-top:6px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#F6F4EF;padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--primary) 0%,#2E8C7C 100%);}
.footer-brand .brand-text strong{color:#F6F4EF;}
.footer-brand .brand-text span{color:#8FA39D;}
.footer-brand p{font-size:14.5px;color:#A9B8B3;line-height:1.85;margin-top:20px;max-width:330px;}
.footer-col h4{font-size:15px;color:#F6F4EF;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;letter-spacing:.06em;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--mist);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(246,244,239,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8FA39D;
}
.footer-bottom a{color:#8FA39D;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  padding:14px 24px;border-radius:999px;box-shadow:var(--shadow-float);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--primary-dark);color:#fff;}
.float-cta.is-dim{opacity:.32;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero h1{font-size:44px;}
  .hero-inner{min-height:560px;}
  .feature-layout{gap:44px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{min-height:520px;padding:80px 0 64px;}
  .hero h1{font-size:38px;}
  .section{padding:84px 0;}
  .feature-layout{grid-template-columns:1fr;gap:40px;}
  .feature-aside{position:static;}
  .demo-layout{grid-template-columns:1fr;gap:36px;}
  .evidence-top{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:1fr 1fr;row-gap:36px;}
  .timeline::before{display:none;}
  .tl-item::before{top:2px;}
  .tl-item{padding-top:30px;}
  .quote-card{grid-template-columns:1fr;gap:22px;}
  .price-grid{grid-template-columns:1fr 1fr;}
  .price-card.is-featured{grid-column:1 / -1;}
  .latest-layout{grid-template-columns:1fr;}
  .final-cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-metrics{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .nav-bar{height:64px;}
  .brand-text strong{font-size:14.5px;}
  .lang-chip{display:none;}
  .section{padding:72px 0;}
  .hero-inner{min-height:auto;padding:64px 0 56px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{grid-template-columns:1fr;}
  .section-head h2,.feature-aside h2,.demo-copy h2,.final-cta h2{font-size:25px;}
  .feature-list{grid-template-columns:1fr;}
  .evidence-top{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .latest-lead-body{padding:22px 20px 26px;}
  .latest-list{padding:4px 20px;}
  .faq-q{font-size:16.5px;padding:20px 0;}
  .float-cta{right:16px;left:16px;bottom:16px;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .quote-card{padding:24px;}
}
@media (max-width:479px){
  .hero h1{font-size:30px;}
  .btn{width:100%;}
  .cta-panel .btn,.final-cta-actions .btn{width:100%;}
  .brand-text span{display:none;}
}

/* roulang page: article */
:root{
  --brand:#1F6F63;
  --brand-dark:#17564D;
  --brand-soft:#B9CDB8;
  --stone:#E7E2D8;
  --accent:#D9822B;
  --bg:#F6F4EF;
  --bg-alt:#F1EEE6;
  --surface:#FFFFFF;
  --text:#17211F;
  --muted:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --danger:#B33A3A;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(23,33,31,.06);
  --shadow-hover:0 14px 34px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Songti SC",STSong,"Source Han Serif SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text strong{font-family:var(--serif);font-size:17px;letter-spacing:.03em;white-space:nowrap}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--muted);
  padding:7px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--text);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:transparent;cursor:pointer;position:relative;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);background:#fff}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:1.6px;background:var(--text);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:12px 0 28px;
}
.drawer.is-open{display:block}
.drawer a{
  display:block;padding:16px 4px;font-size:18px;color:var(--text);
  border-bottom:1px solid var(--card-line);
}
.drawer a:last-child{border-bottom:none}
.drawer a:hover{color:var(--brand)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  letter-spacing:.02em;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,111,99,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(31,111,99,.08);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#F2F6F4;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(217,130,43,.45)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{
  color:var(--brand);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-dark)}

/* ---------- Tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;letter-spacing:.04em;
  background:rgba(31,111,99,.10);color:var(--brand);border:1px solid rgba(31,111,99,.16);
}
.tag-accent{background:rgba(217,130,43,.12);color:#A9611B;border-color:rgba(217,130,43,.24)}
.tag-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.32)}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:52px 0 96px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(125deg,rgba(23,86,77,.95) 0%,rgba(31,111,99,.86) 55%,rgba(31,111,99,.72) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 18px}
.article-hero h1{
  font-family:var(--serif);color:#fff;
  font-size:44px;line-height:1.28;letter-spacing:.01em;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;
  font-size:14px;color:rgba(255,255,255,.78);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- Article card ---------- */
.article-wrap{padding:0 0 96px}
.article-card{
  position:relative;z-index:3;max-width:900px;margin:-64px auto 0;
  background:var(--surface);border:1px solid var(--card-line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:44px 48px 48px;
}
.article-lead{
  font-size:16px;line-height:1.95;color:var(--muted);
  padding-bottom:26px;border-bottom:1px solid var(--card-line);margin-bottom:34px;
}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.95;color:#26312E}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-family:var(--serif);font-size:30px;line-height:1.35;
  margin:2em 0 .75em;padding-left:16px;border-left:3px solid var(--brand);
}
.article-body h3{font-family:var(--serif);font-size:22px;line-height:1.45;margin:1.7em 0 .6em}
.article-body h4{font-size:18px;margin:1.5em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li{list-style:disc;margin:.4em 0}
.article-body ol li{list-style:decimal;margin:.4em 0}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--bg-alt);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--muted);
}
.article-body img{border-radius:12px;margin:1.6em 0}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--brand-dark)}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;
}
.article-body th,.article-body td{border:1px solid var(--card-line);padding:10px 14px;font-size:15px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:600}
.article-body code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:14.5px}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;background:var(--bg-alt);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;display:block;stroke:var(--brand-soft)}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- Section base ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-family:var(--serif);font-size:32px;line-height:1.35;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent)}

/* ---------- Related topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--card-line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,111,99,.3)}
.topic-card img{width:88px;height:66px;flex:0 0 88px;object-fit:cover;border-radius:var(--radius-sm)}
.topic-card h3{font-size:18px;margin-bottom:8px}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.topic-card .text-link{font-size:14px}

/* ---------- Steps / Notes ---------- */
.note-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.note-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 36px}
.note-item{padding-top:18px;border-top:1px solid var(--line)}
.note-index{
  font-family:var(--serif);font-size:15px;color:var(--accent);letter-spacing:.08em;
  display:block;margin-bottom:10px;
}
.note-item h3{font-size:19px;margin-bottom:8px}
.note-item p{font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:88px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,86,77,.94),rgba(31,111,99,.82));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.cta-inner h2{font-family:var(--serif);color:#fff;font-size:34px;line-height:1.35;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--text);color:#F6F4EF;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-text strong{color:#fff;font-family:var(--serif)}
.footer-brand .brand-text span{color:var(--brand-soft)}
.footer-brand p{margin-top:20px;font-size:14.5px;line-height:1.9;color:rgba(246,244,239,.72);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14.5px;color:var(--brand-soft);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,244,239,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(246,244,239,.6);
}
.footer-bottom a{color:rgba(246,244,239,.82)}
.footer-bottom a:hover{color:#fff}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;
  box-shadow:0 10px 30px rgba(23,33,31,.18);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--brand-dark)}
.float-cta.is-dim{opacity:.35}
.float-cta .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .article-hero h1{font-size:40px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .article-hero{padding:44px 0 88px}
  .article-hero h1{font-size:34px}
  .article-card{padding:32px 28px 36px;margin-top:-56px}
  .section{padding:80px 0}
  .note-layout{grid-template-columns:1fr;gap:36px}
  .note-list{margin-top:0}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .header-inner{height:64px}
  .brand-text strong{font-size:15.5px}
  .brand-text span{font-size:11px;letter-spacing:.08em}
  .article-hero{padding:36px 0 80px}
  .article-hero h1{font-size:30px}
  .article-meta{gap:12px 18px;font-size:13px}
  .article-card{padding:24px 18px 28px;border-radius:12px}
  .article-body h2{font-size:25px}
  .article-body h3{font-size:20px}
  .topic-grid{grid-template-columns:1fr}
  .topic-card{flex-direction:column}
  .topic-card img{width:100%;height:auto;aspect-ratio:16/10;flex:none}
  .note-list{grid-template-columns:1fr}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .cta-band{padding:64px 0}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{right:50%;transform:translate(50%,14px);bottom:16px}
  .float-cta.is-visible{transform:translate(50%,0)}
}
@media (max-width:479px){
  .article-hero h1{font-size:28px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .brand-text span{display:none}
  .float-cta{width:calc(100% - 32px);justify-content:center}
}

/* roulang page: category1 */
:root{
  --primary:#1F6F63;
  --primary-dark:#17564D;
  --mist:#B9CDB8;
  --stone:#E7E2D8;
  --amber:#D9822B;
  --bg:#F6F4EF;
  --white:#FFFFFF;
  --alt:#F1EEE6;
  --ink:#17211F;
  --muted:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(23,33,31,.06);
  --shadow-lg:0 14px 34px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --gap-section:104px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:16px}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(30px,4vw,50px);line-height:1.25}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35}
h3{font-size:21px;line-height:1.45}
p{color:var(--muted)}
:focus-visible{outline:2px solid rgba(217,130,43,.55);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--gap-section) 0}
.section--alt{background:var(--white)}
.section--stone{background:var(--alt)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--primary);
  text-transform:none;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:1px;background:var(--amber);display:inline-block;
}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16.5px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:500;letter-spacing:.02em;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(31,111,99,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,111,99,.28)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(31,111,99,.07);color:var(--primary-dark);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15.5px;
  border-bottom:1px solid rgba(31,111,99,.4);padding-bottom:2px;
}
.btn-text:hover{border-bottom-color:var(--primary)}
.btn[disabled]{opacity:.45;cursor:not-allowed}

.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:13px;letter-spacing:.04em;background:rgba(31,111,99,.09);color:var(--primary);
}
.badge--amber{background:rgba(217,130,43,.13);color:#A85F14}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:19px;font-weight:600;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.04em}
.brand-text span{font-size:12.5px;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15.5px;letter-spacing:.02em;color:var(--ink);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--primary);font-weight:500}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-actions .btn{padding:11px 20px;font-size:15px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
  background:#fff;
}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:880;
  background:var(--bg);padding:32px 24px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:18px 4px;font-size:19px;font-family:var(--serif);
  border-bottom:1px solid var(--card-line);
}
.mobile-drawer a.is-active{color:var(--primary)}
.mobile-drawer .btn{margin-top:26px;width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(23,86,77,.94) 0%,rgba(31,111,99,.86) 52%,rgba(23,33,31,.72) 100%);
}
.hero-inner{position:relative;z-index:2;padding:112px 0 96px;max-width:760px}
.hero .crumb{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:22px;letter-spacing:.02em}
.hero .crumb a{color:rgba(255,255,255,.78)}
.hero .crumb a:hover{color:#fff}
.hero .crumb span{color:#fff}
.hero .hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13.5px;letter-spacing:.14em;color:var(--mist);
  border:1px solid rgba(185,205,184,.4);border-radius:999px;
  padding:6px 16px;margin-bottom:26px;
}
.hero h1{color:#fff;margin-bottom:22px}
.hero h1 em{font-style:normal;color:#F0C89A}
.hero .lead{
  font-size:17.5px;line-height:1.9;color:rgba(255,255,255,.86);
  max-width:640px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:44px;
  border-top:1px solid rgba(255,255,255,.22);padding-top:26px;
}
.hero-facts .fact strong{
  display:block;font-family:var(--serif);font-size:26px;color:#fff;line-height:1.3;
}
.hero-facts .fact span{font-size:13.5px;color:rgba(255,255,255,.72);letter-spacing:.04em}

/* ===== 目录布局 ===== */
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:64px;align-items:start}
.toc{position:sticky;top:104px}
.toc h3{
  font-size:14.5px;letter-spacing:.14em;color:var(--muted);
  font-family:var(--sans);font-weight:500;margin-bottom:18px;
}
.toc ol{border-left:1px solid var(--line)}
.toc li a{
  display:block;padding:9px 0 9px 18px;font-size:15px;color:var(--muted);
  border-left:2px solid transparent;margin-left:-1px;transition:all .2s ease;
}
.toc li a:hover{color:var(--primary);border-left-color:var(--mist)}
.toc li a.is-current{color:var(--primary);border-left-color:var(--primary);font-weight:500}
.toc .toc-note{
  margin-top:26px;padding:18px;border:1px solid var(--card-line);border-radius:var(--radius);
  background:#fff;font-size:14px;color:var(--muted);line-height:1.8;
}
.toc .toc-note strong{display:block;color:var(--ink);font-size:14.5px;margin-bottom:6px}
.toc-mobile{display:none}

/* ===== 内容块 ===== */
.block{padding-bottom:76px;scroll-margin-top:104px}
.block:last-child{padding-bottom:0}
.block-head{margin-bottom:30px}
.block-head h2{margin-bottom:12px}
.block-head p{font-size:16.5px;max-width:720px}

.card-grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,99,.3)}
.card h3{margin-bottom:10px;font-size:19.5px}
.card p{font-size:15.5px;line-height:1.85}
.card-icon{
  width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(31,111,99,.09);color:var(--primary);font-size:18px;margin-bottom:18px;
}
.card-icon.is-amber{background:rgba(217,130,43,.13);color:#A85F14}

.feature-split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.feature-aside{position:sticky;top:104px}
.feature-aside h2{margin-bottom:16px}
.feature-aside p{font-size:16.5px;margin-bottom:22px}
.feature-list{display:grid;gap:0}
.feature-item{
  display:grid;grid-template-columns:58px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--card-line);
}
.feature-item:first-child{padding-top:0}
.feature-item:last-child{border-bottom:none}
.feature-num{
  font-family:var(--serif);font-size:26px;color:var(--amber);line-height:1;
  padding-top:4px;
}
.feature-item h3{font-size:19px;margin-bottom:8px}
.feature-item p{font-size:15.5px}

.scene-card{overflow:hidden;padding:0}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:24px 26px 28px}
.scene-body h3{font-size:19px;margin-bottom:10px}
.scene-body p{font-size:15.5px}
.scene-tag{display:inline-block;font-size:12.5px;color:var(--primary);letter-spacing:.1em;margin-bottom:10px}

.steps{border-top:1px solid var(--card-line)}
.step{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:28px;
  padding:28px 0;border-bottom:1px solid var(--card-line);
}
.step-time{
  font-family:var(--serif);font-size:15px;color:var(--amber);letter-spacing:.06em;
  padding-top:6px;
}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:15.5px}
.step ul{margin-top:12px;display:grid;gap:7px}
.step li{position:relative;padding-left:18px;font-size:15px;color:var(--muted)}
.step li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;
  background:var(--mist);
}

.table-wrap{overflow-x:auto;border:1px solid var(--card-line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
  text-align:left;font-family:var(--serif);font-size:15.5px;font-weight:600;
  padding:18px 24px;background:var(--alt);color:var(--ink);
  border-bottom:1px solid var(--card-line);white-space:nowrap;
}
tbody td{
  padding:18px 24px;font-size:15.5px;color:var(--muted);
  border-bottom:1px solid var(--card-line);vertical-align:top;
}
tbody tr:last-child td{border-bottom:none}
tbody td strong{color:var(--ink);font-weight:600}

.faq-list{max-width:860px;border-top:1px solid var(--card-line)}
.faq-item{border-bottom:1px solid var(--card-line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:17.5px;font-family:var(--serif);
  color:var(--ink);font-weight:600;transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-q .fx{
  flex:0 0 22px;width:22px;height:22px;position:relative;margin-top:6px;
}
.faq-q .fx::before,.faq-q .fx::after{
  content:"";position:absolute;background:var(--muted);transition:all .2s ease;
}
.faq-q .fx::before{left:0;top:10.5px;width:22px;height:1.5px}
.faq-q .fx::after{top:0;left:10.5px;width:1.5px;height:22px}
.faq-item.is-open .fx::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-item.is-open .fx::before{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 4px 24px;font-size:16px;max-width:760px}

.cta-panel{
  position:relative;border-radius:var(--radius);overflow:hidden;color:#fff;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(23,86,77,.95),rgba(31,111,99,.84));
}
.cta-inner{position:relative;z-index:2;padding:60px 56px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.85);max-width:560px;font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

.figure{margin:0}
.figure img{
  width:100%;border-radius:var(--radius);border:1px solid var(--card-line);
  aspect-ratio:16/10;object-fit:cover;
}
.figure figcaption{font-size:13.5px;color:var(--muted);margin-top:12px}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:800;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--primary);color:#fff;padding:14px 24px;border-radius:999px;
  font-size:15.5px;box-shadow:0 10px 30px rgba(23,33,31,.18);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,background-color .2s ease;
}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta.is-dim{opacity:.35}
.float-cta:hover{background:var(--primary-dark);color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--bg);padding:72px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid rgba(246,244,239,.16);
}
.footer-brand .brand{margin-bottom:20px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:var(--mist)}
.footer-brand p{color:rgba(246,244,239,.7);font-size:15px;line-height:1.85;max-width:360px}
.footer-col h4{
  font-family:var(--sans);font-size:14.5px;font-weight:600;color:#fff;
  letter-spacing:.08em;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:var(--mist);font-size:15px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:26px;font-size:13.5px;color:rgba(246,244,239,.6);
}
.footer-bottom a{color:var(--mist)}
.footer-bottom a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:960px}
  :root{--gap-section:92px}
  .layout{gap:44px;grid-template-columns:212px minmax(0,1fr)}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .header-inner{height:64px}
  .mobile-drawer{inset:64px 0 0 0}
  .layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .toc-mobile{
    display:flex;gap:10px;overflow-x:auto;padding:16px 0 22px;
    border-bottom:1px solid var(--card-line);margin-bottom:52px;
    -webkit-overflow-scrolling:touch;
  }
  .toc-mobile a{
    flex:0 0 auto;padding:8px 16px;border:1px solid var(--card-line);border-radius:999px;
    font-size:14.5px;color:var(--muted);background:#fff;
  }
  .toc-mobile a:hover{border-color:var(--primary);color:var(--primary)}
  .feature-split{grid-template-columns:minmax(0,1fr);gap:34px}
  .feature-aside{position:static}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-inner{padding:88px 0 76px}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:48px 40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 16px}
  :root{--gap-section:70px}
  .section-head{margin-bottom:34px}
  .hero-inner{padding:68px 0 60px}
  .hero-facts{gap:28px}
  .hero-facts .fact strong{font-size:22px}
  .hero-actions .btn{width:100%}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
  .feature-item{grid-template-columns:44px 1fr;gap:16px;padding:22px 0}
  .feature-num{font-size:22px}
  .step{grid-template-columns:minmax(0,1fr);gap:8px;padding:22px 0}
  .step-time{padding-top:0}
  .card{padding:24px}
  .cta-inner{padding:40px 24px;gap:28px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:34px}
  .footer-bottom{flex-direction:column}
  .float-cta{right:auto;left:50%;transform:translate(-50%,14px);bottom:18px;padding:13px 22px}
  .float-cta.is-visible{transform:translate(-50%,0)}
  .faq-q{font-size:16.5px;padding:18px 2px}
}
@media (max-width:479px){
  body{font-size:16px}
  h1{font-size:30px}
  .btn{width:100%}
  .brand-text strong{font-size:15.5px}
  .brand-text span{font-size:11.5px;letter-spacing:.1em}
  .faq-q{font-size:16px}
}

/* roulang page: category3 */
:root{
  --brand:#1F6F63;
  --brand-dark:#17564D;
  --mist:#B9CDB8;
  --stone:#E7E2D8;
  --amber:#D9822B;
  --amber-soft:#F6E5D2;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --alt:#F1EEE6;
  --ink:#17211F;
  --ink-2:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --danger:#B33A3A;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-s:0 8px 24px rgba(23,33,31,.06);
  --shadow-m:0 14px 34px rgba(23,33,31,.10);
  --shadow-l:0 20px 48px rgba(23,33,31,.14);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--ink);letter-spacing:.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid rgba(217,130,43,.55);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.narrow{max-width:860px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand),#2b8c7c);
  color:#fff;font-family:var(--serif);font-size:19px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(31,111,99,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.04em;}
.brand-text span{font-size:12px;color:var(--ink-2);letter-spacing:.16em;}
a.brand{color:var(--ink);}
a.brand:hover{color:var(--ink);}

.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;
  font-size:15px;color:#33403D;letter-spacing:.02em;
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--brand);transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{width:100%;background:var(--amber);}

.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-s);
  background:var(--brand);color:#fff;font-size:15px;
  border:1px solid var(--brand);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(23,33,31,.16);}
.header-cta:active{transform:scale(.98);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:24px;display:none;flex-direction:column;gap:8px;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);font-size:20px;line-height:1;cursor:pointer;
}
.drawer a{
  font-family:var(--serif);font-size:22px;color:var(--ink);
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.drawer a:hover{color:var(--brand);}
.drawer a.is-active{color:var(--brand);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-s);
  font-size:16px;line-height:1.2;cursor:pointer;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(23,33,31,.18);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(31,111,99,.08);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#fff;color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(23,33,31,.22);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;
  border-bottom:1px solid currentColor;padding-bottom:2px;
}
.btn-link:hover{color:var(--brand-dark);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:#123b35;
  color:#fff;
  min-height:560px;
  display:flex;align-items:center;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(18,59,53,.92) 0%,rgba(31,111,99,.82) 48%,rgba(31,111,99,.58) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(246,244,239,.18);
}
.hero-inner{position:relative;z-index:2;padding:96px 0 84px;width:100%;}
.hero-copy{max-width:700px;}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.18em;color:var(--mist);
  border:1px solid rgba(185,205,184,.42);border-radius:999px;
  padding:6px 16px;margin-bottom:24px;
}
.hero .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;}
.hero h1{
  color:#fff;font-size:48px;line-height:1.25;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:#F3D9B8;}
.hero-sub{
  font-size:17px;line-height:1.9;color:rgba(246,244,239,.88);max-width:620px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-meta{
  margin-top:44px;display:flex;gap:36px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid rgba(246,244,239,.2);
}
.hero-meta div{min-width:120px;}
.hero-meta strong{display:block;font-family:var(--serif);font-size:26px;color:#fff;line-height:1.3;}
.hero-meta span{font-size:13px;color:var(--mist);letter-spacing:.06em;}

/* ---------- breadcrumb ---------- */
.crumb{
  background:var(--alt);border-bottom:1px solid var(--card-line);
}
.crumb-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:16px 0;font-size:13px;color:var(--ink-2);
}
.crumb-inner a{color:var(--ink-2);}
.crumb-inner a:hover{color:var(--brand);}
.crumb-inner .sep{color:#A9A79C;}
.crumb-inner .current{color:var(--brand);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:104px 0;}
.section.alt{background:var(--alt);}
.section.white{background:var(--white);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:34px;line-height:1.35;margin-bottom:16px;}
.section-head p{color:var(--ink-2);font-size:17px;}
.kicker{
  display:inline-block;font-size:13px;letter-spacing:.2em;color:var(--brand);
  margin-bottom:14px;position:relative;padding-left:16px;
}
.kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--amber);
}

/* ---------- filter tags ---------- */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:34px;padding-bottom:22px;border-bottom:1px solid var(--card-line);
}
.filter-bar .filter-label{font-size:14px;color:var(--ink-2);margin-right:4px;}
.tag-btn{
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--white);color:#3B4744;font-size:14px;cursor:pointer;
  transition:all .2s ease;
}
.tag-btn:hover{border-color:var(--brand);color:var(--brand);}
.tag-btn.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(31,111,99,.3);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--stone);}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-media .badge{
  position:absolute;top:14px;left:14px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(31,111,99,.18);
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.45;}
.card-body p{color:var(--ink-2);font-size:15px;line-height:1.85;margin:0;}
.mini-list{margin-top:auto;border-top:1px dashed var(--card-line);padding-top:14px;display:flex;flex-direction:column;gap:8px;}
.mini-list li{
  font-size:14px;color:#404B48;display:flex;gap:10px;align-items:flex-start;line-height:1.7;
}
.mini-list li::before{
  content:"";flex:0 0 5px;width:5px;height:5px;margin-top:9px;border-radius:50%;background:var(--amber);
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;border-top:1px solid var(--card-line);
  font-size:13px;color:var(--ink-2);background:#FCFBF7;
}
.card.is-hidden{display:none;}

/* ---------- checklist split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.split-lead h2{font-size:32px;line-height:1.36;margin-bottom:18px;}
.split-lead p{color:var(--ink-2);}
.lead-note{
  margin-top:26px;padding:20px 22px;border-radius:var(--radius-m);
  background:var(--white);border:1px solid var(--card-line);box-shadow:var(--shadow-s);
}
.lead-note strong{display:block;font-family:var(--serif);font-size:16px;margin-bottom:8px;}
.lead-note p{font-size:14px;color:var(--ink-2);margin:0;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:flex;gap:20px;background:var(--white);
  border:1px solid var(--card-line);border-radius:var(--radius-m);
  padding:24px 26px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(31,111,99,.28);}
.step-num{
  flex:0 0 42px;height:42px;border-radius:12px;
  background:var(--amber-soft);color:#9A5714;
  font-family:var(--serif);font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.step-item h3{font-size:18px;margin-bottom:8px;}
.step-item p{font-size:15px;color:var(--ink-2);margin:0;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;margin-top:12px;padding-left:34px;
}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(31,111,99,.12));
}
.tl-item{position:relative;padding:0 0 34px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:10px;width:12px;height:12px;border-radius:50%;
  background:var(--white);border:2px solid var(--brand);
}
.tl-item time{font-size:13px;letter-spacing:.14em;color:var(--brand);display:block;margin-bottom:6px;}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--ink-2);margin:0;max-width:720px;}

/* ---------- compare table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--card-line);border-radius:var(--radius-m);background:var(--white);box-shadow:var(--shadow-s);}
table{border-collapse:collapse;width:100%;min-width:660px;}
th,td{text-align:left;padding:18px 22px;font-size:15px;border-bottom:1px solid var(--card-line);vertical-align:top;}
thead th{
  background:#FCFBF7;font-family:var(--serif);font-size:15px;font-weight:600;
  color:var(--ink);letter-spacing:.03em;
}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#FDFCF9;}
td .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-right:8px;
}
td .dot.warn{background:var(--amber);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  padding:56px 56px;color:#fff;
  background:linear-gradient(100deg,rgba(18,59,53,.94),rgba(31,111,99,.86)),url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;
  box-shadow:var(--shadow-l);
}
.cta-band h2{color:#fff;font-size:32px;line-height:1.35;margin-bottom:16px;}
.cta-band p{color:rgba(246,244,239,.88);font-size:16px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--card-line);}
.faq-item{border-bottom:1px solid var(--card-line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:18px;font-family:var(--serif);color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;margin-top:4px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:10px;width:22px;height:1.6px;}
.faq-icon::after{left:10px;top:0;width:1.6px;height:22px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .24s ease;
}
.faq-a p{font-size:15.5px;color:var(--ink-2);padding:0 0 22px 0;margin:0;max-width:760px;}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.contact-info h2{font-size:32px;line-height:1.36;margin-bottom:18px;}
.contact-info p{color:var(--ink-2);}
.info-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.info-list li{
  display:flex;gap:14px;font-size:15px;color:#3B4744;align-items:flex-start;
}
.info-list li b{
  flex:0 0 auto;color:var(--brand);font-family:var(--serif);font-weight:600;
}
.form-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius-m);
  padding:34px;box-shadow:var(--shadow-s);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;color:#3B4744;letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-s);background:#FDFCF9;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,99,.14);outline:none;background:#fff;
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.err-msg{font-size:13px;color:var(--danger);min-height:16px;}
.form-tip{font-size:13px;color:var(--ink-2);margin-top:14px;}
.form-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:6px;}
.form-note{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--radius-s);
  background:#EDF4F1;border:1px solid rgba(31,111,99,.24);color:var(--brand-dark);font-size:14px;
}
.form-note.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 28px;margin-top:0;}
.site-footer a{color:var(--mist);}
.site-footer a:hover{color:#fff;}
.footer-grid{
  display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid rgba(246,244,239,.14);
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(150deg,#2b8c7c,var(--brand));}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:var(--mist);}
.footer-brand p{font-size:14.5px;color:rgba(246,244,239,.72);line-height:1.9;max-width:420px;}
.footer-col h4{
  font-family:var(--sans);font-size:14px;color:#fff;letter-spacing:.12em;margin-bottom:18px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li a{font-size:14.5px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13px;color:rgba(246,244,239,.6);
}
.footer-bottom a{color:var(--mist);}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;
  box-shadow:0 10px 30px rgba(23,33,31,.18);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--brand-dark);color:#fff;}
.float-cta.is-dim{opacity:.35;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero h1{font-size:42px;}
  .card-grid{gap:22px;}
}
@media (max-width:1023px){
  .container{max-width:100%;}
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
  .header-cta{display:none;}
  .hero{min-height:500px;}
  .hero-inner{padding:80px 0 68px;}
  .hero h1{font-size:38px;}
  .section{padding:84px 0;}
  .split,.contact-grid{grid-template-columns:1fr;gap:36px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:44px;text-align:left;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--gutter:16px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:64px;}
  .hero{min-height:auto;}
  .hero-inner{padding:64px 0 56px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-meta{gap:22px;margin-top:32px;}
  .hero-meta strong{font-size:22px;}
  .hero-actions .btn{width:100%;}
  .section{padding:64px 0;}
  .section-head h2,.split-lead h2,.contact-info h2,.cta-band h2{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;}
  th,td{padding:14px 16px;font-size:14px;}
}
@media (max-width:479px){
  .hero h1{font-size:28px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:11px;letter-spacing:.1em;}
  .faq-q{font-size:16px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --main:#1F6F63;
  --main-dark:#17564D;
  --mist:#B9CDB8;
  --stone:#E7E2D8;
  --amber:#D9822B;
  --bg:#F6F4EF;
  --bg-alt:#F1EEE6;
  --white:#FFFFFF;
  --ink:#17211F;
  --muted:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(23,33,31,.06);
  --shadow-lg:0 14px 34px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Songti SC",STSong,"Source Han Serif SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;margin:0;letter-spacing:.01em}
h1{font-size:46px;line-height:1.25}
h2{font-size:34px;line-height:1.35}
h3{font-size:22px;line-height:1.45}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--main);color:#fff;
  display:grid;place-items:center;font-family:var(--serif);font-size:19px;font-weight:700;
  box-shadow:0 6px 16px rgba(31,111,99,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:var(--serif);font-size:17px;letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:4px;font-size:15px;letter-spacing:.02em}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:9px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--main);background:rgba(31,111,99,.06)}
.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  background:var(--main);border-radius:2px;
}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:11px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  transition:border-color .2s ease;
}
.nav-toggle:hover{border-color:var(--main)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:var(--bg);padding:20px 24px 48px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;font-family:var(--serif);font-size:19px;padding:17px 2px;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-drawer a.is-active{color:var(--main)}
.mobile-drawer .drawer-note{margin-top:24px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--main);color:#fff;box-shadow:0 8px 20px rgba(31,111,99,.20)}
.btn-primary:hover{background:var(--main-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,111,99,.26)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--main);color:var(--main)}
.btn-ghost:hover{background:rgba(31,111,99,.08);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--main);border-color:#fff}
.btn-light:hover{background:var(--stone);border-color:var(--stone);transform:translateY(-1px)}
.btn-line-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-line-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid rgba(217,130,43,.45);outline-offset:2px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ============ 通用板块 ============ */
.section{padding:100px 0}
.section-alt{background:var(--white)}
.section-tint{background:var(--bg-alt)}
.section-head{max-width:780px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;
  letter-spacing:.16em;color:var(--main);margin-bottom:18px;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber)}
.section-desc{color:var(--muted);font-size:16.5px;margin-top:16px;max-width:680px}
.badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  background:rgba(31,111,99,.09);color:var(--main);font-size:12.5px;letter-spacing:.04em;
}
.badge-amber{background:rgba(217,130,43,.14);color:#A45F17}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;padding:86px 0 96px;color:#fff;
  background-image:linear-gradient(118deg,rgba(23,33,31,.86),rgba(31,111,99,.74)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--amber),transparent 62%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:24px}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .2s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:var(--mist)}
.page-hero h1{max-width:820px;color:#fff}
.hero-sub{
  max-width:640px;margin-top:22px;font-size:17px;line-height:1.9;
  color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* ============ 指标条 ============ */
.metrics-band{padding:56px 0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,99,.3)}
.metric b{display:block;font-family:var(--serif);font-size:34px;line-height:1.15;color:var(--main)}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:920px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--main),var(--stone));
  opacity:.65;
}
.tl-item{position:relative;padding:0 0 34px 54px}
.tl-item:last-child{padding-bottom:0}
.tl-item .dot{
  position:absolute;left:0;top:6px;width:24px;height:24px;border-radius:50%;
  background:var(--white);border:2px solid var(--main);color:var(--main);
  display:grid;place-items:center;font-size:11px;font-weight:700;font-family:var(--sans);
  transition:background .2s ease,color .2s ease;
}
.tl-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover .tl-card{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,99,.3)}
.tl-item:hover .dot{background:var(--main);color:#fff}
.tl-card h3{margin-bottom:10px}
.tl-card p{color:var(--muted);font-size:15.5px}
.tl-meta{display:block;margin-bottom:10px}

/* ============ 交错图文 ============ */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:34px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--card-line)}
.alt-row.reverse .alt-media{order:2}
.alt-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--card-line);box-shadow:var(--shadow);
}
.alt-body h3{margin-bottom:14px}
.alt-body p{color:var(--muted);font-size:16px}
.check-list{margin-top:18px}
.check-list li{
  position:relative;padding-left:24px;margin-bottom:11px;
  color:var(--muted);font-size:15.5px;line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--main);
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ============ 证据墙 ============ */
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.log-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.log-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,99,.3)}
.log-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.log-meta{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.log-card h3{font-size:20px;margin-bottom:10px}
.log-card p{color:var(--muted);font-size:15px;line-height:1.85}
.log-card ul{margin-top:14px}
.log-card ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);margin-bottom:7px;
}
.log-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:1.5px;background:var(--amber);
}
.note-card{
  margin-top:26px;background:var(--bg-alt);border:1px solid var(--card-line);
  border-left:3px solid var(--amber);border-radius:var(--radius);
  padding:24px 28px;color:var(--ink);font-size:16px;
}
.note-card span{display:block;font-size:13px;color:var(--muted);letter-spacing:.06em;margin-top:10px}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--card-line)}
.faq-item{border-bottom:1px solid var(--card-line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-family:var(--serif);font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--main)}
.faq-q:focus-visible{outline:2px solid rgba(217,130,43,.45);outline-offset:3px;border-radius:6px}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease,background .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:1.5px}
.faq-icon::after{left:7px;top:0;width:1.5px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-icon::before{background:var(--main)}
.faq-item.open .faq-q{color:var(--main)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 40px 22px 0;color:var(--muted);font-size:16px;line-height:1.88}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;padding:96px 0;color:#fff;
  background-image:linear-gradient(120deg,rgba(23,33,31,.88),rgba(31,111,99,.78)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.cta-inner{max-width:720px}
.cta-inner h2{color:#fff}
.cta-inner p{color:rgba(255,255,255,.84);margin-top:18px;font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F6F4EF;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text strong{color:#F6F4EF}
.footer-brand .brand-text span{color:#9FA9A5}
.footer-brand p{color:#9FA9A5;font-size:14.5px;line-height:1.85;margin-top:20px;max-width:340px}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:18px;font-family:var(--sans);letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--mist);font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(246,244,239,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#9FA9A5;
}
.footer-bottom a{color:var(--mist)}
.footer-bottom a:hover{color:#fff}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;border-radius:999px;background:var(--main);color:#fff;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  box-shadow:0 10px 30px rgba(23,33,31,.18);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta.hide{opacity:.22}
.float-cta:hover{background:var(--main-dark)}
.float-cta:focus-visible{outline:2px solid rgba(217,130,43,.6);outline-offset:3px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
  h1{font-size:40px}
  .page-hero h1{font-size:40px}
  .alt-row{gap:40px}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
  h2{font-size:30px}
  .section{padding:80px 0}
  .section-head{margin-bottom:40px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:30px 0}
  .alt-row.reverse .alt-media{order:0}
  .evidence-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:80px 0}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 16px}
  h1{font-size:32px;line-height:1.3}
  .page-hero h1{font-size:31px}
  h2{font-size:26px}
  h3{font-size:20px}
  .page-hero{padding:60px 0 70px}
  .hero-sub{font-size:16px;margin-top:18px}
  .hero-actions{margin-top:28px}
  .hero-actions .btn{width:100%}
  .section{padding:64px 0}
  .metrics-band{padding:40px 0}
  .metrics{grid-template-columns:1fr}
  .timeline::before{left:9px}
  .tl-item{padding-left:42px}
  .tl-item .dot{width:20px;height:20px;font-size:10px}
  .faq-q{font-size:16.5px;padding:20px 0}
  .note-card{padding:20px 22px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:40px}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center}
  .cta-actions .btn{width:100%}
  .mobile-drawer{top:64px}
}
@media (max-width:480px){
  .brand-text strong{font-size:15px}
  .brand-text span{font-size:10.5px;letter-spacing:.1em}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .metric b{font-size:29px}
}

/* roulang page: category4 */
:root{
  --brand:#1F6F63;
  --brand-dark:#17564D;
  --brand-soft:#B9CDB8;
  --stone:#E7E2D8;
  --amber:#D9822B;
  --bg:#F6F4EF;
  --bg-alt:#F1EEE6;
  --white:#FFFFFF;
  --ink:#17211F;
  --ink-2:#5C6663;
  --line:#D8D3C7;
  --card-line:#E6E1D6;
  --danger:#B33A3A;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(23,33,31,.06);
  --shadow-hover:0 14px 34px rgba(23,33,31,.10);
  --container:1200px;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;margin:0;color:var(--ink);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid rgba(217,130,43,.55);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:var(--white);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);margin-bottom:14px;
}
.section-label::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--amber);}
.section-head h2{font-size:34px;line-height:1.35;margin-bottom:16px;}
.section-head p{color:var(--ink-2);font-size:16.5px;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,111,99,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(31,111,99,.08);color:var(--brand-dark);}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-sm{padding:11px 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--brand),#2C8878);
  color:#fff;font-family:var(--serif);font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(31,111,99,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--serif);font-size:16.5px;letter-spacing:.02em;}
.brand-text span{font-size:12.5px;color:var(--ink-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;color:var(--ink);font-size:15.5px;letter-spacing:.02em;
  padding:6px 0;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:var(--white);
  padding:12px 24px 26px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:16px 4px;font-size:17px;color:var(--ink);
  border-bottom:1px solid var(--card-line);
}
.nav-drawer a.is-active{color:var(--brand);font-weight:600;}
.nav-drawer .btn{margin-top:20px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;color:#fff;}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(23,86,77,.94) 0%,rgba(31,111,99,.84) 52%,rgba(23,33,31,.88) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 24px 84px;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.3);
  font-size:13px;letter-spacing:.12em;margin-bottom:20px;
}
.page-hero h1{
  color:#fff;font-size:46px;line-height:1.28;margin-bottom:20px;letter-spacing:.01em;
}
.page-hero .lead{
  font-size:17.5px;line-height:1.9;color:rgba(255,255,255,.9);
  max-width:660px;margin-bottom:32px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-facts{
  display:flex;gap:40px;flex-wrap:wrap;margin-top:44px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.22);
}
.hero-facts div{min-width:120px;}
.hero-facts strong{display:block;font-family:var(--serif);font-size:26px;color:#fff;line-height:1.2;}
.hero-facts span{font-size:13.5px;color:rgba(255,255,255,.76);}

/* ============ 问题速览 ============ */
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.overview-card{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:all .22s ease;
}
.overview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,111,99,.3);}
.overview-card .num{
  font-family:var(--serif);font-size:14px;color:var(--amber);
  letter-spacing:.14em;margin-bottom:14px;display:block;
}
.overview-card h3{font-size:19px;margin-bottom:10px;}
.overview-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0;max-width:900px;margin:0 auto;}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.filter-chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--white);color:var(--ink-2);font-size:14.5px;
  transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(31,111,99,.2);}
.faq-group{margin-bottom:46px;}
.faq-group.is-hidden{display:none;}
.faq-group-title{
  font-size:15px;letter-spacing:.12em;color:var(--brand);
  display:flex;align-items:center;gap:10px;margin-bottom:8px;
}
.faq-group-title::after{content:"";flex:1;height:1px;background:var(--card-line);}
.faq-item{border-bottom:1px solid var(--card-line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 46px 22px 0;font-size:17.5px;font-family:var(--serif);
  color:var(--ink);line-height:1.6;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-family:var(--sans);font-size:22px;font-weight:400;color:var(--brand);
  line-height:1;transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";color:var(--amber);}
.faq-body{padding:0 40px 24px 0;color:var(--ink-2);font-size:15.8px;line-height:1.9;}
.faq-body p:last-child{margin-bottom:0;}

/* ============ 咨询表单 ============ */
.consult-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.consult-aside h2{font-size:32px;line-height:1.35;margin-bottom:18px;}
.consult-aside p{color:var(--ink-2);font-size:16px;}
.consult-aside img{
  border-radius:var(--radius);border:1px solid var(--card-line);
  box-shadow:var(--shadow);margin-top:24px;aspect-ratio:16/10;object-fit:cover;width:100%;
}
.aside-list{margin-top:26px;border-top:1px solid var(--card-line);}
.aside-list li{
  display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--card-line);
  font-size:15px;color:var(--ink-2);
}
.aside-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);
  margin-top:11px;flex:0 0 6px;
}
.consult-form{
  background:var(--white);border:1px solid var(--card-line);border-radius:var(--radius);
  padding:36px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:22px;}
.field label{display:block;font-size:14.5px;font-weight:600;margin-bottom:9px;color:var(--ink);}
.field .hint{font-size:13px;color:var(--ink-2);font-weight:400;margin-left:6px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFBF8;color:var(--ink);padding:0 16px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:132px;padding:13px 16px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(31,111,99,.14);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(179,58,58,.1);
}
.field-error{display:none;margin:8px 0 0;font-size:13.5px;color:var(--danger);}
.field.has-error .field-error{display:block;}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:8px;}
.form-foot .note{font-size:13px;color:var(--ink-2);margin:0;}
.form-alert{
  display:none;margin-bottom:22px;padding:14px 18px;border-radius:var(--radius-sm);
  background:rgba(31,111,99,.08);border:1px solid rgba(31,111,99,.28);
  color:var(--brand-dark);font-size:14.5px;
}
.form-alert.is-visible{display:block;}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;overflow:hidden;color:#fff;}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band .cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(23,86,77,.95),rgba(23,33,31,.9));
}
.cta-inner{position:relative;z-index:2;padding:80px 24px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:32px;line-height:1.35;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.85);max-width:560px;margin:0;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--bg);padding:72px 0 30px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text span{color:var(--brand-soft);}
.footer-brand p{color:var(--brand-soft);font-size:14.5px;line-height:1.9;margin:0;max-width:420px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.06em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{color:var(--brand-soft);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(233,231,224,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(185,205,184,.8);
}
.footer-bottom a{color:rgba(185,205,184,.9);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom a:hover{color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 30px rgba(23,33,31,.18);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
}
.float-cta:hover{background:var(--brand-dark);color:#fff;}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta.is-dim{opacity:.25;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .page-hero h1{font-size:40px;}
  .hero-inner{padding:76px 22px 72px;}
}
@media (max-width:1023px){
  .section{padding:84px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-sm{display:none;}
  .overview-grid{grid-template-columns:repeat(2,1fr);}
  .consult-layout{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:767px){
  body{font-size:16.5px;line-height:1.88;}
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .nav-inner{height:64px;}
  .brand-text strong{font-size:15px;}
  .hero-inner{padding:60px 16px 56px;}
  .page-hero h1{font-size:31px;line-height:1.32;}
  .page-hero .lead{font-size:16px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .hero-facts{gap:24px;}
  .hero-facts strong{font-size:22px;}
  .section-head h2{font-size:26px;}
  .overview-grid{grid-template-columns:1fr;}
  .consult-form{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .cta-inner{padding:64px 16px;flex-direction:column;align-items:flex-start;}
  .cta-inner h2{font-size:26px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .float-cta{right:16px;left:16px;bottom:16px;justify-content:center;}
  .faq-item summary{font-size:16.5px;padding-right:38px;}
  .faq-body{padding-right:0;}
}
@media (max-width:479px){
  .btn{width:100%;}
  .filter-chip{width:100%;text-align:center;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;}
  .page-hero h1{font-size:28px;}
}