/* roulang page: index */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-700:#1B4F4B;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-hover:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-invert:#F7F5F0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,60,58,.06), 0 8px 24px rgba(20,60,58,.08);
  --sh-2:0 2px 4px rgba(20,60,58,.08), 0 12px 32px rgba(20,60,58,.12);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",var(--font-sans);
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::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:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
a:focus-visible,button:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--alt{background:var(--c-bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px);color:var(--c-primary-900)}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid var(--c-primary);padding-bottom:2px}
.text-link:hover{border-bottom-width:2px}
.text-link:hover .arrow{transform:translateX(4px)}
.text-link .arrow{transition:transform .18s ease-out}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.98);border-bottom:1px solid var(--c-line-soft);transition:box-shadow .18s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,58,.10)}
.nav-bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:16px}
.nav-left{display:flex;align-items:center;gap:2px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:2px;justify-self:end}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:10px 12px;border-radius:8px;font-size:15px;color:var(--c-text-2);white-space:nowrap}
.nav-link:hover{background:var(--c-primary-100);color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--c-primary);letter-spacing:.01em}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:16px;height:16px;display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1.5px solid transparent;transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(20,60,58,.10)}
.btn-primary:hover{background:var(--c-accent-hover);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center;justify-self:end}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);transition:transform .18s ease-out}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{display:none;overflow:hidden;max-height:0;transition:max-height .22s ease-out;border-top:1px solid var(--c-line-soft);background:#fff}
.mobile-panel.is-open{max-height:560px}
.mobile-panel ul{padding:8px 20px 0}
.mobile-panel li a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;font-size:16px;color:var(--c-text);border-bottom:1px solid var(--c-line-soft)}
.mobile-panel li a::after{content:"›";color:var(--c-text-3)}
.mobile-panel li a.active{color:var(--c-primary);font-weight:600}
.mobile-panel .mp-cta{padding:16px 20px 20px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:72px 0 56px;background:var(--c-bg)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(20,60,58,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(20,60,58,.045) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-100);color:var(--c-primary);font-size:13px;letter-spacing:.06em;padding:6px 12px;border-radius:var(--r-badge);margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;color:var(--c-primary-900);letter-spacing:.01em}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:28px;font-size:13px;color:var(--c-text-3)}
.hero-metrics li{display:flex;align-items:center;gap:8px}
.hero-metrics li + li::before{content:"·";color:var(--c-line);margin-right:10px}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.hero-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,38,36,.10)}
.hero-tag{position:absolute;left:16px;bottom:16px;z-index:2;background:rgba(11,38,36,.84);color:var(--c-invert);font-size:13px;padding:8px 14px;border-radius:var(--r-badge)}

/* Metrics */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{display:flex;flex-direction:column;gap:10px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease-out,transform .18s ease-out}
.metric-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.metric-tag{align-self:flex-start;background:var(--c-primary-100);color:var(--c-primary);font-size:12px;padding:3px 10px;border-radius:var(--r-badge);letter-spacing:.04em}
.metric-index{font-family:var(--font-mono);font-size:12px;color:var(--c-text-3)}
.metric-value{font-family:var(--font-mono);font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums}
.metric-value .unit{font-size:14px;font-weight:600;color:var(--c-text-2);margin-left:4px;font-family:var(--font-sans)}
.metric-desc{font-size:14px;line-height:1.7;color:var(--c-text-2)}
.metric-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line-soft);font-size:12px;color:var(--c-text-3)}

/* Matrix */
.matrix{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch}
.matrix-main{position:relative;display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .18s ease-out,transform .18s ease-out}
.matrix-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.matrix-media{position:relative;overflow:hidden}
.matrix-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .3s ease-out}
.matrix-main:hover .matrix-media img{transform:scale(1.02)}
.matrix-strip{position:absolute;left:0;right:0;bottom:0;background:rgba(11,38,36,.86);color:var(--c-invert);font-size:12px;letter-spacing:.08em;padding:10px 16px}
.matrix-body{display:flex;flex-direction:column;gap:12px;padding:24px;flex:1}
.matrix-body h3{font-size:20px;color:var(--c-primary-900)}
.matrix-body p{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.matrix-body .text-link{margin-top:auto;align-self:flex-start;font-size:14px}
.matrix-list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;align-content:start}
.matrix-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:20px 10px;border-top:1px solid var(--c-line-soft);transition:background-color .18s ease-out,padding-left .18s ease-out}
.matrix-item:hover{background:rgba(231,237,234,.4);padding-left:14px}
.matrix-item .no{font-family:var(--font-mono);font-size:12px;color:var(--c-text-3);padding-top:6px}
.matrix-item h3{font-size:18px;font-weight:600;font-family:var(--font-sans);color:var(--c-text)}
.matrix-item p{font-size:14px;line-height:1.7;color:var(--c-text-2);margin-top:4px}
.matrix-item .go{color:var(--c-primary);font-size:16px;padding-top:2px;transition:transform .18s ease-out}
.matrix-item:hover .go{transform:translateX(4px)}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{background:var(--c-bg-alt);border-radius:var(--r-card);padding:24px;border:1px solid var(--c-line-soft)}
.compare-col.is-best{background:var(--c-primary-100);border-color:#CFDCD5}
.compare-title{font-size:15px;font-weight:600;font-family:var(--font-sans);color:var(--c-text-2);margin-bottom:8px;letter-spacing:.04em}
.compare-col.is-best .compare-title{color:var(--c-primary)}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;border-top:1px solid rgba(220,214,201,.9);font-size:15px}
.compare-col.is-best .compare-row{border-top-color:rgba(20,60,58,.14)}
.compare-key{color:var(--c-text-2);flex:0 0 auto}
.compare-val{text-align:right;color:var(--c-text);font-weight:600}
.compare-col.is-best .compare-val{color:var(--c-primary)}
.compare-note{margin-top:24px;background:rgba(231,237,234,.6);border-left:3px solid var(--c-primary);border-radius:12px;padding:16px 20px;font-size:14px;color:var(--c-text-2)}

/* News */
.news-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.news-card{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFC7B7}
.news-card:hover .news-title{color:var(--c-primary)}
.news-card--lead{grid-column:span 7;grid-row:span 2}
.news-card--mini{grid-column:span 5}
.news-badge{align-self:flex-start;background:var(--c-primary-100);color:var(--c-primary);font-size:12px;padding:3px 10px;border-radius:var(--r-badge);letter-spacing:.04em}
.news-title{font-family:var(--font-sans);font-size:18px;font-weight:600;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
.news-card--lead .news-title{font-size:22px;font-family:var(--font-serif);line-height:1.4}
.news-excerpt{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line-soft);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.news-arrow{color:var(--c-primary);transition:transform .18s ease-out}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 24px;background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-card);text-align:center}
.news-empty svg{width:48px;height:48px;color:rgba(20,60,58,.4)}
.news-empty p{font-size:14px;color:var(--c-text-2)}

/* FAQ */
.faq{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);color:var(--c-primary-900)}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--c-text-2);max-width:320px}
.faq-aside .btn{margin-top:22px}
.acc{border-top:1px solid var(--c-line)}
.acc-item{border-bottom:1px solid var(--c-line)}
.acc-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 0;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);transition:color .18s ease-out}
.acc-btn:hover{color:var(--c-primary)}
.acc-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--c-primary);transition:transform .18s ease-out,opacity .18s ease-out}
.acc-icon::before{left:2px;right:2px;top:9px;height:1.5px}
.acc-icon::after{top:2px;bottom:2px;left:9px;width:1.5px}
.acc-item.is-open .acc-icon::after{transform:scaleY(0);opacity:0}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.acc-item.is-open .acc-panel{max-height:320px}
.acc-inner{padding:0 0 20px 16px;border-left:3px solid var(--c-primary);font-size:15px;line-height:1.9;color:var(--c-text-2)}

/* Trust */
.trust{display:grid;grid-template-columns:repeat(3,1fr);background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.trust-item{display:flex;gap:14px;align-items:flex-start;padding:24px}
.trust-item + .trust-item{border-left:1px solid var(--c-line-soft)}
.trust-item svg{width:20px;height:20px;color:var(--c-primary);flex:0 0 auto;margin-top:4px}
.trust-item h3{font-size:15px;font-weight:600;font-family:var(--font-sans);color:var(--c-text)}
.trust-item p{font-size:13px;color:var(--c-text-2);margin-top:4px;line-height:1.7}

/* Contact */
.contact{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-aside h2{font-size:clamp(24px,2.6vw,32px);color:var(--c-primary-900)}
.contact-aside p.lead{margin-top:14px;font-size:15px;color:var(--c-text-2);max-width:380px}
.contact-list{margin-top:22px;display:grid;gap:12px}
.contact-list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.contact-list li span.dot{flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--c-primary);margin-top:9px}
.contact-media{margin-top:26px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.contact-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.contact-info{margin-top:20px;font-size:13px;color:var(--c-text-3);line-height:1.9}
.contact-info strong{color:var(--c-text-2);font-weight:600}
.form-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px}
.form-card h3{font-size:20px;color:var(--c-primary-900)}
.form-card .form-tip{margin-top:8px;font-size:13px;color:var(--c-text-3)}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-text);margin-bottom:8px}
.req{color:var(--c-crimson);margin-left:2px}
.field input,.field select,.field textarea{width:100%;min-height:44px;padding:10px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;font-size:15px;color:var(--c-text);transition:border-color .18s ease-out,box-shadow .18s ease-out}
.field textarea{min-height:120px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,60,58,.12)}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--c-text-2);line-height:1.7}
.check-row input{width:18px;height:18px;min-height:0;margin-top:3px;flex:0 0 auto;accent-color:var(--c-primary)}
.form-card .btn-block{margin-top:22px}
.form-done{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:40px 12px}
.form-done svg{width:48px;height:48px;color:#2F7D5B}
.form-done h3{font-size:20px;color:var(--c-primary-900)}
.form-done p{font-size:14px;color:var(--c-text-2);max-width:360px}
.form-done a{font-size:14px;font-weight:600;border-bottom:1px solid var(--c-primary)}

/* Footer */
.site-footer{background:var(--c-primary-900);color:var(--c-invert);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:rgba(247,245,240,.14)}
.footer-brand .brand-mark svg{color:#F7F5F0}
.footer-col h4{font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(247,245,240,.62);margin-bottom:14px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(247,245,240,.76)}
.footer-col a:hover{color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(247,245,240,.7);max-width:280px}
.footer-info p{font-size:14px;line-height:1.9;color:rgba(247,245,240,.72)}
.footer-info strong{color:rgba(247,245,240,.9);font-weight:600}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,245,240,.16);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(247,245,240,.58)}
.footer-bottom a{color:rgba(247,245,240,.72);border-bottom:1px solid rgba(247,245,240,.32)}
.footer-bottom a:hover{color:#fff}

@media (max-width:1199px){
  .container{padding:0 32px}
  .section{padding:72px 0}
  .hero{padding:56px 0 48px}
  .hero-grid{gap:32px}
}
@media (max-width:1023px){
  .nav-link{font-size:14px;padding:8px 9px}
  .brand{font-size:17px}
  .nav-cta{padding:0 14px;font-size:14px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr;gap:32px}
  .contact{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .news-card--lead{grid-column:span 12;grid-row:auto}
  .news-card--mini{grid-column:span 12}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .nav-bar{grid-template-columns:44px 1fr 44px;height:64px;gap:8px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel{display:block}
  .brand{font-size:16px;gap:8px}
  .brand-mark{width:26px;height:26px}
  .hero{padding:40px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-sub{max-width:none}
  .hero-actions .btn{flex:1 1 auto}
  .hero-media{order:-1}
  .hero-metrics{font-size:12px}
  .compare{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .trust-item + .trust-item{border-left:0;border-top:1px solid var(--c-line-soft)}
  .form-card{padding:20px}
  .section-head{align-items:flex-start}
  .matrix-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-desc{max-width:none}
}
@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .compare-row{min-height:0;padding:12px 0;flex-direction:column;align-items:flex-start;gap:4px}
  .compare-val{text-align:left}
  .news-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-700:#1D534F;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-dark:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-inverse:#F7F5F0;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow:0 1px 2px rgba(20,60,58,.06),0 8px 24px rgba(20,60,58,.08);
  --shadow-hover:0 2px 4px rgba(20,60,58,.08),0 12px 32px rgba(20,60,58,.12);
  --container:1200px;
  --t:.18s ease-out;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::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:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 48px;
}
@media (max-width:1199px){.container{padding:0 32px;}}
@media (max-width:767px){.container{padding:0 20px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,58,.10);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:10px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-100);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:6px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:var(--c-inverse);
  border-radius:8px;
  flex:0 0 auto;
}
.brand-mark svg{width:16px;height:16px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:var(--c-card);
  border-radius:10px;
  color:var(--c-primary);
}
.nav-toggle svg{width:20px;height:20px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  font-size:16px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-primary:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff;box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line-soft);
  background:var(--c-card);
  overflow:hidden;
  max-height:0;
  transition:max-height var(--t);
}
.mobile-panel.is-open{max-height:520px;}
.mobile-panel .m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 20px;
  font-size:16px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-panel .m-link:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.mobile-panel .m-link .m-arrow{color:var(--c-text-3);}
.mobile-panel .m-cta{padding:16px 20px 20px;}
.mobile-panel .m-cta .btn{width:100%;}
@media (max-width:1023px){
  .header-inner{grid-template-columns:44px 1fr 44px;min-height:64px;}
  .nav-left,.nav-right{display:none;}
  .brand{justify-self:center;font-size:17px;}
  .nav-toggle{display:inline-flex;justify-self:end;grid-column:3;}
  .mobile-panel{display:block;}
}
@media (max-width:420px){
  .brand{font-size:15px;gap:8px;}
  .brand-mark{width:26px;height:26px;}
}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  background:var(--c-bg-alt);
  border-bottom:1px solid var(--c-line-soft);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:nowrap;
  gap:8px;
  min-height:52px;
  font-size:13px;
  color:var(--c-text-3);
  overflow:hidden;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-text-3);opacity:.7;}
.crumb .current{
  color:var(--c-text-2);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
@media (max-width:767px){.crumb .current{max-width:150px;}}

/* ---------- Article layout ---------- */
.article-wrap{
  padding:56px 0 88px;
}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-head{margin-bottom:32px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12px;
  letter-spacing:.08em;
  border-radius:var(--radius-badge);
  background:var(--c-primary-100);
  color:var(--c-primary);
}
.badge-accent{background:rgba(194,104,58,.12);color:var(--c-accent-dark);}
.article-head h1{
  margin-top:16px;
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-primary-900);
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{opacity:.6;}
.article-meta .num{font-family:var(--font-mono);}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);
  line-height:1.45;
  font-weight:700;
  color:var(--c-primary-900);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.42em;
  width:4px;height:18px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  margin:32px 0 12px;
  font-size:19px;
  line-height:1.55;
  font-weight:600;
  color:var(--c-primary-900);
}
.article-body ul,.article-body ol{
  margin:0 0 1.15em;
  padding-left:24px;
}
.article-body ul{list-style:none;}
.article-body ul li{
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;
  padding:20px 22px;
  background:var(--c-primary-100);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  font-size:16px;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:12px;
  margin:24px 0;
  border:1px solid var(--c-line-soft);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:8px;
  font-size:13px;
  text-align:center;
  color:var(--c-text-3);
}
.article-body a{
  color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);
}
.article-body a:hover{border-bottom-width:2px;}
.article-body strong{color:var(--c-primary-900);}
.article-body code{
  padding:2px 6px;
  font-family:var(--font-mono);
  font-size:14px;
  background:var(--c-bg-alt);
  border-radius:6px;
}
.article-body hr{
  margin:32px 0;
  border:0;
  border-top:1px solid var(--c-line-soft);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line-soft);
  text-align:left;
}
.article-body th{background:var(--c-bg-alt);color:var(--c-primary-900);font-weight:600;}

.empty-article{
  max-width:760px;
  padding:48px 32px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  text-align:center;
}
.empty-article .empty-icon{
  width:48px;height:48px;
  margin:0 auto 16px;
  color:var(--c-primary);
  opacity:.45;
}
.empty-article p{font-size:15px;color:var(--c-text-2);margin-bottom:20px;}

/* ---------- Article footer / tags ---------- */
.article-foot{
  max-width:760px;
  margin-top:40px;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  font-size:13px;
  color:var(--c-text-2);
  background:var(--c-bg-alt);
  border:1px solid var(--c-line-soft);
  border-radius:999px;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.tag:hover{background:var(--c-primary-100);color:var(--c-primary);border-color:var(--c-primary-100);}
.article-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding-top:28px;
  border-top:1px solid var(--c-line-soft);
}

/* ---------- Sidebar ---------- */
.sidebar{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  padding:24px;
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--c-primary-900);
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line-soft);
}
.side-list{display:flex;flex-direction:column;gap:8px;}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:8px 12px;
  font-size:14px;
  color:var(--c-text-2);
  background:var(--c-bg);
  border-radius:10px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.side-list a:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateX(2px);}
.side-list a .arw{color:var(--c-text-3);transition:transform var(--t);}
.side-list a:hover .arw{transform:translateX(3px);color:var(--c-primary);}
.side-info dl{margin:0;display:grid;gap:12px;}
.side-info dt{font-size:12px;color:var(--c-text-3);letter-spacing:.06em;}
.side-info dd{
  margin:2px 0 0;
  font-size:14px;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
  word-break:break-word;
}
.side-card .btn{width:100%;margin-top:18px;}

/* ---------- Related ---------- */
.related{padding:0 0 88px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  color:var(--c-primary-900);
  line-height:1.4;
}
.section-head p{font-size:14px;color:var(--c-text-2);margin-top:6px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);
  padding-bottom:2px;
  white-space:nowrap;
}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.text-link .arw{transition:transform var(--t);}
.text-link:hover .arw{transform:translateX(4px);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-100);}
.info-card .thumb{
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--c-bg-alt);
}
.info-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--t);
}
.info-card:hover .thumb img{transform:scale(1.02);}
.info-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  transition:color var(--t);
}
.info-card:hover h3{color:var(--c-primary);}
.info-card p{font-size:14px;line-height:1.7;color:var(--c-text-2);}
.info-card .card-foot{
  margin-top:auto;
  padding-top:10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
}
.info-card .card-foot .arw{color:var(--c-primary);transition:transform var(--t);}
.info-card:hover .card-foot .arw{transform:translateX(4px);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-primary-900);
  color:var(--c-inverse);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;
  font-weight:700;
  color:var(--c-inverse);
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  color:rgba(247,245,240,.78);
  max-width:620px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:var(--c-inverse);border-color:rgba(247,245,240,.5);}
.cta-actions .btn-ghost:hover{background:rgba(247,245,240,.12);color:var(--c-inverse);border-color:var(--c-inverse);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-primary-900);
  color:rgba(247,245,240,.82);
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--c-inverse);
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:var(--c-inverse);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(247,245,240,.68);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-inverse);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:rgba(247,245,240,.72);
  padding:5px 0;
  transition:color var(--t),transform var(--t);
}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-info p{font-size:14px;line-height:1.8;margin-bottom:8px;color:rgba(247,245,240,.72);}
.footer-info strong{color:rgba(247,245,240,.92);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(247,245,240,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(247,245,240,.55);
}
.footer-bottom a{color:rgba(247,245,240,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .card-grid{gap:20px;}
}
@media (max-width:1023px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .article-wrap{padding:36px 0 56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-head h1{margin-top:12px;}
  .related{padding-bottom:56px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:48px 0 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-actions .btn{width:100%;}
  .crumb{min-height:46px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-hover:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-inverse:#F7F5F0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow:0 1px 2px rgba(20,60,58,.06),0 8px 24px rgba(20,60,58,.08);
  --shadow-hover:0 2px 4px rgba(20,60,58,.08),0 12px 32px rgba(20,60,58,.12);
  --sp-section:96px;
  --ease:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.35;color:var(--c-primary-900);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:visited{color:var(--c-primary);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1200px){.container{padding:0 48px;}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,60,58,.10);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:4px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 13px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  border-radius:8px;
  transition:color var(--ease),background-color var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-100);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:-14px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:visited{color:var(--c-primary);}
.brand-mark{
  width:28px;
  height:28px;
  flex:0 0 28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  background:var(--c-primary);
  color:var(--c-bg);
}
.brand-mark svg{width:16px;height:16px;}
.header-right{display:flex;align-items:center;justify-content:flex-end;gap:8px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--c-line);
  border-radius:10px;
  color:var(--c-primary);
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-menu{
  display:none;
  border-top:1px solid var(--c-line-soft);
  background:#fff;
  padding:8px 0 20px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu .container{display:flex;flex-direction:column;}
.mobile-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 4px;
  font-size:16px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-menu a:last-of-type{border-bottom:none;}
.mobile-menu a.is-active{color:var(--c-primary);font-weight:700;}
.mobile-menu .btn{margin-top:14px;border-bottom:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:16px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 1px 2px rgba(20,60,58,.06);
}
.btn-primary:hover{background:var(--c-accent-hover);box-shadow:var(--shadow-hover);color:#fff;}
.btn-primary:visited{color:#fff;}
.btn-ghost{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-100);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn-light{
  background:transparent;
  border-color:rgba(247,245,240,.55);
  color:var(--c-inverse);
}
.btn-light:hover{background:rgba(247,245,240,.14);color:var(--c-inverse);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);
  padding-bottom:1px;
}
.link-arrow svg{width:14px;height:14px;transition:transform var(--ease);}
.link-arrow:hover{border-bottom-width:2px;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--c-text-3);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-text-3);}

/* ---------- Page Hero ---------- */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-primary-900);
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.42;
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(11,38,36,.94) 0%,rgba(11,38,36,.82) 55%,rgba(11,38,36,.62) 100%);
  z-index:-1;
}
.page-hero-inner{
  padding:56px 24px 52px;
  max-width:780px;
}
@media (min-width:768px){.page-hero-inner{padding:64px 48px 60px;}}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--c-inverse);
  background:rgba(247,245,240,.14);
  border:1px solid rgba(247,245,240,.28);
  border-radius:var(--r-badge);
  margin-bottom:18px;
}
.page-hero h1{
  color:var(--c-inverse);
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  margin-bottom:16px;
}
.page-hero p{
  color:rgba(247,245,240,.86);
  font-size:16px;
  line-height:1.9;
  max-width:640px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:24px;
  font-size:13px;
  color:rgba(247,245,240,.72);
  font-variant-numeric:tabular-nums;
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}

/* ---------- Section ---------- */
.section{padding:var(--sp-section) 0 0;}
.section:last-of-type{padding-bottom:var(--sp-section);}
.section-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--c-accent);
  font-weight:600;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;background:var(--c-accent);border-radius:2px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px;}

/* ---------- Media rows ---------- */
.media-row{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  padding:32px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.media-row + .media-row{margin-top:28px;}
.media-row .media-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line-soft);
}
.media-row .media-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease-out;
}
.media-row:hover .media-figure img{transform:scale(1.02);}
.media-body h2{
  font-size:clamp(21px,2.1vw,26px);
  line-height:1.4;
  padding-left:14px;
  position:relative;
  margin-bottom:16px;
}
.media-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.media-body p{color:var(--c-text-2);font-size:16px;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  color:var(--c-text);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:9px;height:9px;
  border-radius:2px;
  background:var(--c-accent);
}
@media (min-width:900px){
  .media-row{grid-template-columns:5fr 7fr;gap:40px;padding:36px 40px;}
  .media-row.reverse .media-figure{order:2;}
  .media-row.reverse .media-body{order:1;}
}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.step{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.step:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--c-primary-100);}
.step-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:12px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;margin:0;}
@media (min-width:640px){.steps{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}

/* ---------- Notice band ---------- */
.notice-band{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  padding:26px 28px;
  background:var(--c-bg-alt);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-top:28px;
}
.notice-band .notice-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--c-primary);
}
.notice-band .notice-title svg{width:20px;height:20px;flex:0 0 20px;}
.notice-band p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.8;}
@media (min-width:820px){
  .notice-band{grid-template-columns:240px 1fr;align-items:start;gap:28px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.faq-aside h2{font-size:clamp(22px,2.3vw,28px);margin-bottom:14px;}
.faq-aside p{font-size:15.5px;color:var(--c-text-2);margin-bottom:22px;}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  font-size:16px;
  font-weight:600;
  color:var(--c-primary-900);
  cursor:pointer;
  list-style:none;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .icon{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
  border-radius:50%;
  border:1.5px solid var(--c-primary);
}
.faq-item summary .icon::before,
.faq-item summary .icon::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:1px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-item summary .icon::before{left:4px;right:4px;top:7.5px;height:1.5px;}
.faq-item summary .icon::after{top:4px;bottom:4px;left:7.5px;width:1.5px;}
.faq-item[open] summary .icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{
  padding:0 0 20px 16px;
  border-left:3px solid var(--c-primary);
  margin-left:2px;
}
.faq-answer p{
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
  margin:0;
}
@media (min-width:960px){
  .faq-wrap{grid-template-columns:4fr 8fr;gap:48px;}
  .faq-aside{position:sticky;top:100px;align-self:start;}
}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--c-primary-900);
  border-radius:var(--r-card);
  padding:44px 28px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(194,104,58,.16);
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
.cta-inner h2{
  color:var(--c-inverse);
  font-size:clamp(22px,2.5vw,30px);
  margin-bottom:10px;
}
.cta-inner p{
  color:rgba(247,245,240,.78);
  font-size:15.5px;
  margin:0;
  max-width:640px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:900px){
  .cta-band{padding:52px 48px;}
  .cta-inner{grid-template-columns:1fr auto;gap:40px;}
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--sp-section);
  background:var(--c-primary-900);
  color:rgba(247,245,240,.78);
  padding:64px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
.footer-col h4{
  color:var(--c-inverse);
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  color:rgba(247,245,240,.74);
  font-size:14.5px;
  line-height:1.9;
  padding:3px 0;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{color:var(--c-inverse);padding-left:4px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--c-inverse);
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:var(--c-inverse);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(247,245,240,.66);max-width:280px;}
.footer-info p{font-size:14px;line-height:1.9;margin:0 0 6px;color:rgba(247,245,240,.72);}
.footer-info strong{color:rgba(247,245,240,.9);font-weight:600;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(247,245,240,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:12.5px;
  color:rgba(247,245,240,.6);
}
.footer-bottom a{color:rgba(247,245,240,.78);text-decoration:none;}
.footer-bottom a:hover{color:var(--c-inverse);text-decoration:underline;}
@media (min-width:700px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}

/* ---------- Responsive nav ---------- */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{grid-template-columns:1fr auto 1fr;}
  .brand{justify-self:center;font-size:17px;}
  .header-right{justify-self:end;}
}
@media (max-width:520px){
  body{font-size:16px;}
  :root{--sp-section:56px;}
  .page-hero-inner{padding:40px 20px 40px;}
  .media-row{padding:20px;}
  .cta-band{padding:32px 20px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .brand{font-size:15.5px;gap:8px;}
  .brand-mark{width:24px;height:24px;flex:0 0 24px;border-radius:7px;}
  .brand-mark svg{width:14px;height:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-hover:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-sub:#55584F;
  --c-weak:#8A8D83;
  --c-inverse:#F7F5F0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-input:10px;
  --shadow:0 1px 2px rgba(20,60,58,.06), 0 8px 24px rgba(20,60,58,.08);
  --shadow-hover:0 2px 4px rgba(20,60,58,.08), 0 12px 32px rgba(20,60,58,.12);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;
}
*,*::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:16px;
  line-height:1.85;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:linear-gradient(rgba(20,60,58,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,60,58,.035) 1px,transparent 1px);
  background-size:24px 24px;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.35;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-accent);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
img{max-width:100%;display:block;border-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1200px){.container{padding:0 48px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,58,.10);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.brand{
  justify-self:center;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--c-primary);
  color:var(--c-inverse);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;}
.nav-left{justify-self:start;}
.nav-right{justify-self:end;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  border-radius:8px;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:var(--c-primary-100);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:-23px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  color:var(--c-primary);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  justify-self:end;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  position:relative;
  border-radius:2px;
}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 20px;
  font-size:15px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-panel a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.mobile-panel a .arrow{color:var(--c-weak);font-size:14px;}
.mobile-panel .mobile-cta{padding:16px 20px 20px;}
.mobile-panel .mobile-cta .btn{width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;box-shadow:0 8px 20px rgba(194,104,58,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(247,245,240,.5);color:var(--c-inverse);}
.btn-ghost:hover{background:rgba(247,245,240,.14);color:#fff;border-color:rgba(247,245,240,.8);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn[disabled]{opacity:.6;cursor:not-allowed;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  color:var(--c-inverse);
  background-image:linear-gradient(100deg,rgba(11,38,36,.94) 8%,rgba(20,60,58,.86) 52%,rgba(20,60,58,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(247,245,240,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(247,245,240,.05) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;padding-top:28px;padding-bottom:64px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,245,240,.72);
  margin-bottom:28px;
}
.crumb a{color:rgba(247,245,240,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(247,245,240,.45);}
.crumb .current{color:#fff;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--r-badge);
  background:rgba(247,245,240,.14);
  border:1px solid rgba(247,245,240,.28);
  font-size:12px;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  color:#fff;
  max-width:20em;
}
.page-hero .hero-lead{
  margin-top:18px;
  max-width:44em;
  font-size:16px;
  line-height:1.85;
  color:rgba(247,245,240,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid rgba(247,245,240,.2);
  font-size:13px;
  color:rgba(247,245,240,.78);
}
.hero-stats strong{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  color:#fff;
  margin-right:6px;
}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1200px){.section{padding:96px 0;}}
.section-alt{background:var(--c-bg-alt);border-top:1px solid var(--c-line-soft);border-bottom:1px solid var(--c-line-soft);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  color:var(--c-text);
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-sub);
}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-accent);
  font-weight:600;
  margin-bottom:10px;
}

/* ---------- topic card grid 2x3 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:639px){
  .card-grid{grid-template-columns:1fr;gap:18px;}
}
.topic-card{
  display:flex;
  flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  color:inherit;
  box-shadow:var(--shadow);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.topic-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:#CFC7B6;
  color:inherit;
}
.topic-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-primary-100);
}
.topic-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .18s ease-out;
}
.topic-card:hover .thumb img{transform:scale(1.02);}
.topic-card .thumb .thumb-label{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:10px 16px;
  font-size:12px;
  letter-spacing:.08em;
  color:#fff;
  background:linear-gradient(0deg,rgba(20,60,58,.86),rgba(20,60,58,.2));
}
.topic-card .body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 24px 24px;
  flex:1 1 auto;
}
.topic-card .body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  transition:color .18s ease-out;
}
.topic-card:hover .body h3{color:var(--c-primary);}
.topic-card .body p{
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-sub);
}
.topic-card .foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line-soft);
  font-size:13px;
  color:var(--c-weak);
}
.topic-card .foot .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--c-primary);
}
.topic-card:hover .foot .go .arrow{transform:translateX(4px);}
.topic-card .foot .go .arrow{transition:transform .18s ease-out;display:inline-block;}

/* ---------- spec table ---------- */
.spec-wrap{margin-top:40px;}
.spec-wrap h2{
  font-size:clamp(22px,2.3vw,28px);
  margin-bottom:8px;
}
.spec-wrap .spec-note{
  font-size:14px;
  color:var(--c-text-sub);
  margin-bottom:20px;
}
.spec-table{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.spec-row{
  display:grid;
  grid-template-columns:1.05fr 2fr .95fr 1.1fr;
  gap:18px;
  align-items:start;
  padding:18px 24px;
  border-top:1px solid var(--c-line-soft);
  font-size:15px;
  color:var(--c-text-sub);
}
.spec-row:first-child{border-top:0;}
.spec-row.spec-head{
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  padding-top:14px;
  padding-bottom:14px;
}
.spec-row .name{
  font-weight:600;
  color:var(--c-text);
  font-size:15px;
}
.spec-row .name a{color:var(--c-primary);}
.spec-row .name a:hover{text-decoration:underline;text-underline-offset:3px;}
.spec-row .cell{line-height:1.7;}
.spec-row .cell .cell-label{display:none;}
@media (max-width:900px){
  .spec-row{grid-template-columns:1fr;gap:10px;padding:18px 20px;}
  .spec-row.spec-head{display:none;}
  .spec-row .cell .cell-label{
    display:block;
    font-size:12px;
    letter-spacing:.08em;
    color:var(--c-weak);
    margin-bottom:2px;
  }
  .spec-row .cell{padding-bottom:2px;}
}

/* ---------- steps strip ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:767px){.steps{grid-template-columns:1fr;gap:18px;}}
.step{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow);
}
.step .num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-weak);
}
.step h3{
  margin-top:8px;
  font-size:18px;
  font-weight:600;
}
.step p{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--c-text-sub);
}

/* ---------- faq ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
}
@media (max-width:900px){
  .faq-layout{grid-template-columns:1fr;gap:28px;}
}
.faq-aside p{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-sub);
}
.faq-aside .btn{margin-top:20px;}
.faq-list{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:4px 24px;
  box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--c-line-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  list-style:none;
  cursor:pointer;
  padding:20px 0;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-text);
  transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item .sign{
  position:relative;
  flex:0 0 auto;
  width:20px;
  height:20px;
  border-radius:50%;
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
}
.faq-item .sign::before,.faq-item .sign::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:currentColor;
  border-radius:1px;
}
.faq-item .sign::before{width:9px;height:1.5px;}
.faq-item .sign::after{width:1.5px;height:9px;transition:opacity .18s ease-out;}
.faq-item[open] .sign::after{opacity:0;}
.faq-item .answer{
  padding:0 0 20px 16px;
  border-left:3px solid var(--c-primary);
  margin-left:1px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-sub);
}
.faq-item .answer p{margin:0;}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(100deg,var(--c-primary-900) 0%,var(--c-primary) 100%);
  color:var(--c-inverse);
  padding:56px 0;
}
@media (min-width:1200px){.cta-band{padding:64px 0;}}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-inner h2{
  font-size:clamp(22px,2.4vw,30px);
  color:#fff;
  max-width:22em;
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:rgba(247,245,240,.82);
  max-width:40em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-primary-900);
  color:var(--c-inverse);
  padding:56px 0 28px;
}
@media (min-width:768px){.site-footer{padding:64px 0 32px;}}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(247,245,240,.16);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:24px;}
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:#fff;}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,240,.7);
  max-width:24em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:rgba(247,245,240,.74);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-info p{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,240,.74);
  margin-bottom:6px;
}
.footer-info p strong{color:rgba(247,245,240,.92);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:12px;
  color:rgba(247,245,240,.56);
}
.footer-bottom a{color:rgba(247,245,240,.76);}
.footer-bottom a:hover{color:#fff;}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-dark:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-inverse:#F7F5F0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,60,58,.06),0 8px 24px rgba(20,60,58,.08);
  --sh-2:0 2px 4px rgba(20,60,58,.08),0 12px 32px rgba(20,60,58,.12);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;
  --t:.18s ease-out;
  --sp-section:56px;
}
@media (min-width:768px){:root{--sp-section:72px}}
@media (min-width:1200px){:root{--sp-section:96px}}

*,*::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:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-900)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--c-text)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1200px){.container{padding:0 48px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,58,.09)}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary-900)}
.brand-mark{
  display:grid;
  place-items:center;
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--c-primary);
  color:var(--c-inverse);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;display:block}
.nav-left,.nav-right{display:flex;align-items:center;gap:4px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end;gap:10px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-100)}
.nav-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-100)}
.nav-toggle span{
  display:block;
  position:relative;
  width:18px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--c-line-soft);
  font-size:16px;
  color:var(--c-text);
  transition:color var(--t),background var(--t);
}
.mobile-panel a:hover{color:var(--c-primary);background:var(--c-primary-100)}
.mobile-panel a span{color:var(--c-text-3);font-size:14px}
.mobile-panel .mobile-cta{
  justify-content:center;
  margin:16px 0 20px;
  border-bottom:none;
  color:#fff;
}
.mobile-panel .mobile-cta:hover{color:#fff}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border:1.5px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(194,104,58,.22);
}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;box-shadow:0 10px 22px rgba(194,104,58,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{
  background:var(--c-inverse);
  color:var(--c-primary-900);
}
.btn-light:hover{background:#fff;color:var(--c-primary-900)}
.btn-outline-light{
  background:transparent;
  border-color:rgba(247,245,240,.6);
  color:var(--c-inverse);
}
.btn-outline-light:hover{background:rgba(247,245,240,.14);color:#fff;border-color:rgba(247,245,240,.9)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  color:var(--c-inverse);
  padding:44px 0 52px;
  background-image:
    linear-gradient(102deg,rgba(11,38,36,.94) 0%,rgba(20,60,58,.86) 58%,rgba(20,60,58,.74) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
@media (min-width:768px){.page-hero{padding:56px 0 64px}}
@media (min-width:1200px){.page-hero{padding:72px 0 80px}}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:22px;
  font-size:13px;
  color:rgba(247,245,240,.7);
}
.breadcrumb a{color:rgba(247,245,240,.78)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:rgba(247,245,240,.4)}
.breadcrumb .current{color:#fff}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border:1px solid rgba(247,245,240,.26);
  border-radius:var(--r-badge);
  background:rgba(247,245,240,.12);
  font-size:12px;
  letter-spacing:.08em;
  color:#F1EDE3;
}
.page-hero h1{
  margin:18px 0 12px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  color:#fff;
}
.page-hero-sub{
  max-width:640px;
  margin:0;
  font-size:16px;
  line-height:1.8;
  color:rgba(247,245,240,.82);
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:24px;
  font-size:13px;
  color:rgba(247,245,240,.7);
  font-variant-numeric:tabular-nums;
}
.hero-facts li{display:flex;align-items:center;gap:10px}
.hero-facts li + li::before{
  content:"";
  width:4px;height:4px;
  border-radius:50%;
  background:rgba(247,245,240,.45);
}

/* ---------- Sections ---------- */
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{max-width:720px;margin-bottom:32px}
.kicker{
  display:inline-block;
  padding:5px 10px;
  border-radius:var(--r-badge);
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
}
.section-head h2{
  margin:14px 0 10px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
}
.section-sub{
  color:var(--c-text-2);
  font-size:15.5px;
  line-height:1.85;
  margin:0;
}

/* ---------- Flow layout (list + sidebar) ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:start;
}
@media (min-width:1024px){
  .flow-grid{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
}
.step-list{display:grid;gap:16px}
.step-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  padding:20px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
@media (min-width:768px){
  .step-item{grid-template-columns:56px minmax(0,1fr);gap:18px;padding:24px}
}
.step-item:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
  border-color:var(--c-primary-100);
}
.step-num{
  display:grid;
  place-items:center;
  width:100%;
  min-height:44px;
  border-radius:12px;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
@media (min-width:768px){.step-num{min-height:56px;font-size:17px}}
.step-body h3{
  margin:0 0 6px;
  font-size:18px;
  line-height:1.5;
  font-weight:600;
}
@media (min-width:768px){.step-body h3{font-size:19px}}
.step-body p{
  margin:0;
  color:var(--c-text-2);
  font-size:15px;
  line-height:1.8;
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-badge);
  background:var(--c-bg-alt);
  color:var(--c-text-2);
  font-size:12px;
  letter-spacing:.04em;
}
.tag-primary{background:var(--c-primary-100);border-color:transparent;color:var(--c-primary)}

.flow-side{display:grid;gap:16px}
@media (min-width:1024px){
  .flow-side{position:sticky;top:96px}
}
.side-card{
  padding:24px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.side-card h3{
  margin:16px 0 8px;
  font-size:18px;
  font-weight:600;
}
.side-card p{
  margin:0;
  color:var(--c-text-2);
  font-size:14.5px;
  line-height:1.8;
}
.side-figure{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line-soft);
  aspect-ratio:16/10;
}
.side-figure img{width:100%;height:100%;object-fit:cover}
.checklist{margin-top:14px;font-size:14.5px;color:var(--c-text-2)}
.checklist li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.7;
}
.checklist li:last-child{margin-bottom:0}
.checklist li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-primary);
}
.side-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--c-line-soft);
  font-size:12.5px;
  color:var(--c-text-3);
}
.param-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
}
.param-table caption{
  caption-side:top;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  padding-bottom:12px;
}
.param-table th,.param-table td{
  padding:10px 0;
  border-bottom:1px solid var(--c-line-soft);
  text-align:left;
  vertical-align:top;
}
.param-table th{
  font-weight:500;
  color:var(--c-text-3);
  white-space:nowrap;
  padding-right:12px;
}
.param-table td{
  text-align:right;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
  font-weight:600;
}
.param-table tr:last-child th,.param-table tr:last-child td{border-bottom:none}

/* ---------- Notice (常见误区) ---------- */
.notice-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:768px){.notice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media (min-width:1200px){.notice-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.notice{
  position:relative;
  padding:22px 24px 22px 26px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-accent);
  border-radius:12px;
  transition:box-shadow var(--t),transform var(--t);
}
.notice:hover{box-shadow:var(--sh-1);transform:translateY(-2px)}
.notice h3{
  margin:0 0 8px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
}
.notice p{
  margin:0;
  color:var(--c-text-2);
  font-size:14.5px;
  line-height:1.8;
}
.notice-index{
  display:inline-block;
  margin-bottom:10px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-text-3);
}

/* ---------- Channel cards ---------- */
.channel-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:768px){.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
.channel-card{
  display:flex;
  flex-direction:column;
  padding:24px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.channel-card:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
  border-color:var(--c-primary-100);
}
.channel-icon{
  display:grid;
  place-items:center;
  width:44px;height:44px;
  margin-bottom:16px;
  border-radius:12px;
  background:var(--c-primary-100);
  color:var(--c-primary);
}
.channel-icon svg{width:22px;height:22px}
.channel-card h3{
  margin:0 0 8px;
  font-size:18px;
  font-weight:600;
}
.channel-card p{
  margin:0 0 18px;
  color:var(--c-text-2);
  font-size:14.5px;
  line-height:1.8;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid rgba(20,60,58,.4);
  padding-bottom:2px;
  align-self:flex-start;
  transition:border-color var(--t),gap var(--t),color var(--t);
}
.text-link:hover{border-color:var(--c-primary);gap:10px;color:var(--c-primary-900)}
.text-link .arrow{transition:transform var(--t)}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:48px;align-items:start}}
.faq-aside p{
  color:var(--c-text-2);
  font-size:15px;
  line-height:1.85;
  margin:12px 0 20px;
}
.faq-list{border-top:1px solid var(--c-line-soft)}
.faq-item{border-bottom:1px solid var(--c-line-soft)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  list-style:none;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:26px;height:26px;
  border:1.5px solid var(--c-line);
  border-radius:50%;
  font-size:16px;
  font-weight:500;
  color:var(--c-primary);
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.faq-item[open] summary::after{
  content:"−";
  background:var(--c-primary-100);
  border-color:var(--c-primary-100);
}
.faq-answer{
  padding:0 0 20px 16px;
  margin-left:2px;
  border-left:3px solid var(--c-primary);
  color:var(--c-text-2);
  font-size:15px;
  line-height:1.9;
}
.faq-answer p{margin:0}

/* ---------- Contact form ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:start;
}
@media (min-width:1024px){.contact-grid{grid-template-columns:5fr 7fr;gap:48px}}
.contact-info h2{margin:14px 0 12px;font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.contact-info p{color:var(--c-text-2);font-size:15px;line-height:1.85;margin:0 0 18px}
.point-list{display:grid;gap:12px;margin-bottom:24px}
.point-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-text-2);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:.66em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-accent);
}
.contact-meta{
  padding-top:18px;
  border-top:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-text-2);
  line-height:1.9;
}
.contact-meta strong{color:var(--c-text)}
.form-card{
  padding:24px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
@media (min-width:768px){.form-card{padding:32px}}
.field{margin-bottom:18px}
.field label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-text);
}
.req{color:var(--c-crimson);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;
  padding:11px 14px;
  min-height:44px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--c-text);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(20,60,58,.12);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}
.check-row input[type="checkbox"]{
  width:18px;height:18px;
  margin-top:3px;
  flex:0 0 auto;
  accent-color:var(--c-primary);
}
.check-row label{
  font-size:13.5px;
  line-height:1.7;
  color:var(--c-text-2);
  font-weight:400;
  margin:0;
}
.form-hint{font-size:12.5px;color:var(--c-text-3);margin-top:12px;line-height:1.7}
.form-success{
  padding:32px 24px;
  text-align:center;
  border:1px solid var(--c-primary-100);
  border-radius:var(--r-card);
  background:var(--c-primary-100);
}
.form-success .ok-icon{
  display:grid;
  place-items:center;
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--c-primary);
  color:var(--c-inverse);
}
.form-success h3{margin:0 0 8px;font-size:19px;font-weight:600}
.form-success p{margin:0 0 18px;color:var(--c-text-2);font-size:14.5px;line-height:1.8}

/* ---------- CTA band ---------- */
.cta-wrap{padding-bottom:var(--sp-section)}
.cta-band{
  position:relative;
  overflow:hidden;
  padding:36px 24px;
  border-radius:var(--r-card);
  color:var(--c-inverse);
  background-image:
    linear-gradient(96deg,rgba(11,38,36,.95) 0%,rgba(20,60,58,.9) 62%,rgba(20,60,58,.8) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
@media (min-width:768px){.cta-band{padding:44px 40px}}
.cta-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
@media (min-width:900px){.cta-inner{grid-template-columns:1fr auto;gap:40px}}
.cta-band h2{
  margin:0 0 8px;
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  color:#fff;
}
.cta-band p{
  margin:0;
  max-width:560px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(247,245,240,.82);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:520px){.cta-actions .btn{width:100%}}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-primary-900);
  color:rgba(247,245,240,.78);
  padding:56px 0 36px;
  font-size:14px;
}
@media (min-width:1200px){.site-footer{padding:64px 0 40px}}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px 28px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:18px;
  font-weight:700;
  color:var(--c-inverse);
}
.footer-brand .brand-mark{
  background:rgba(247,245,240,.14);
  color:var(--c-inverse);
}
.footer-desc{
  margin:0;
  max-width:250px;
  font-size:13.5px;
  line-height:1.85;
  color:rgba(247,245,240,.6);
}
.footer-col h4{
  margin:0 0 14px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--c-inverse);
}
.footer-col a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:rgba(247,245,240,.72);
  transition:color var(--t);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-info p{
  margin:0 0 8px;
  font-size:13.5px;
  line-height:1.8;
  color:rgba(247,245,240,.66);
}
.footer-info strong{color:rgba(247,245,240,.9);font-weight:600}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(247,245,240,.16);
  font-size:12.5px;
  color:rgba(247,245,240,.55);
}
.footer-bottom a{color:rgba(247,245,240,.8)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

@media (max-width:900px){
  .nav-left,.nav-right .nav-link{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:64px;gap:12px}
  .brand{justify-self:center;font-size:17px}
  .nav-left{display:none}
  .nav-right{gap:8px}
}
@media (max-width:520px){
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px}
  .brand-mark svg{width:16px;height:16px}
  .step-body h3{font-size:17px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .step-item:hover,.notice:hover,.channel-card:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-d:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-inverse:#F7F5F0;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,60,58,.06),0 8px 24px rgba(20,60,58,.08);
  --sh-2:0 2px 4px rgba(20,60,58,.08),0 12px 32px rgba(20,60,58,.12);
  --ease:.18s ease-out;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-900)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em;color:var(--c-text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1200px){.container{padding:0 48px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(20,60,58,.35);padding-bottom:2px;
  transition:border-color var(--ease),gap var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--c-primary);gap:10px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,60,58,.10)}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:12px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:2px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:8px;justify-self:end}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:8px;
  font-size:15px;color:var(--c-text-2);
  transition:background var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--c-primary-100);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--c-primary);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary-900)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:none;
  background:var(--c-primary);color:var(--c-inverse);
  display:grid;place-items:center;
}
.brand-mark svg{width:16px;height:16px}
.nav-toggle{
  display:none;
  width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:10px;color:var(--c-primary);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line-soft);
  background:#fff;
  padding:8px 20px 20px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;
  font-size:16px;color:var(--c-text);
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600}
.mobile-panel a::after{content:"›";color:var(--c-text-3);font-size:20px;line-height:1}
.mobile-panel .btn{margin-top:16px;height:48px}
.mobile-panel .btn::after{content:none}

@media(max-width:1023px){
  .nav-left,.nav-right .nav-link{display:none}
  .header-inner{grid-template-columns:1fr auto 1fr}
  .nav-right{gap:0}
  .nav-toggle{display:inline-flex}
  .nav-right .btn-sm{display:none}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-primary);font-weight:600}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  padding:36px 0 64px;
  background-image:
    linear-gradient(104deg,rgba(247,245,240,.98) 0%,rgba(247,245,240,.94) 46%,rgba(247,245,240,.66) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line-soft);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.08em;
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(28px,4vw,42px);
  line-height:1.24;
  max-width:19em;
}
.page-lead{
  margin-top:16px;max-width:44em;
  font-size:16px;line-height:1.85;color:var(--c-text-2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  margin-top:24px;font-size:13px;color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1200px){.section{padding:88px 0}}
.section-head{max-width:44em;margin-bottom:32px}
.section-head h2{font-size:clamp(23px,2.5vw,31px)}
.section-head p{margin-top:12px;font-size:15px;color:var(--c-text-2)}
.section-alt{background:var(--c-bg-alt)}

/* ---------- 图文交替 ---------- */
.split{display:grid;gap:32px;align-items:center}
.split + .split{margin-top:64px}
@media(min-width:900px){
  .split{grid-template-columns:5fr 7fr;gap:48px}
  .split.is-reverse{grid-template-columns:7fr 5fr}
  .split.is-reverse .split-media{order:2}
}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:rgba(11,38,36,.86);color:var(--c-inverse);
  font-size:12px;letter-spacing:.06em;
}
.split-body h2{font-size:clamp(21px,2.3vw,27px);margin-bottom:16px}
.split-body p{font-size:16px;color:var(--c-text-2);margin-bottom:14px}
.split-body p:last-child{margin-bottom:0}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--c-text);line-height:1.75;
}
.check-list li::before{
  content:"";flex:none;
  width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--c-accent);
}
.check-list li span{color:var(--c-text-2)}

/* ---------- 内容类型卡 ---------- */
.type-grid{
  display:grid;gap:20px;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
@media(min-width:900px){.type-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.type-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFC8B8}
.type-card .badge{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.type-card h3{margin-top:14px;font-size:18px}
.type-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-text-2)}
.type-card .num{
  font-family:var(--mono);
  font-size:12px;color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 信息条 ---------- */
.notice{
  display:grid;gap:20px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
@media(min-width:900px){.notice{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px}}
.notice h2{font-size:clamp(20px,2.1vw,25px);margin-bottom:12px}
.notice p{font-size:15px;color:var(--c-text-2)}
.mini-table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.mini-table th,.mini-table td{
  text-align:left;padding:12px 8px;
  border-bottom:1px solid var(--c-line-soft);
  color:var(--c-text-2);
}
.mini-table th{width:38%;color:var(--c-text-3);font-weight:500}
.mini-table tr:last-child th,.mini-table tr:last-child td{border-bottom:none}
.mini-table td{color:var(--c-primary);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:32px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:4fr 8fr;gap:56px}}
.faq-aside h2{font-size:clamp(23px,2.5vw,30px)}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--c-text-2)}
.faq-aside .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 4px;
  background:none;border:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);text-align:left;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:none;width:18px;height:18px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:1px;
  transform:translate(-50%,-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:14px;height:1.5px}
.faq-icon::after{width:1.5px;height:14px}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease-out;
}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{
  padding:0 4px 22px 16px;
  font-size:15px;line-height:1.9;color:var(--c-text-2);
  border-left:3px solid var(--c-primary);
  margin-left:0;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary);
  color:var(--c-inverse);
  border-radius:var(--r-lg);
  padding:36px 28px;
  display:grid;gap:24px;
  box-shadow:var(--sh-2);
}
@media(min-width:900px){
  .cta-band{grid-template-columns:1.4fr 1fr;align-items:center;padding:48px 44px;gap:40px}
}
.cta-band h2{color:var(--c-inverse);font-size:clamp(22px,2.4vw,29px)}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(247,245,240,.78);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-band .btn-ghost{border-color:rgba(247,245,240,.55);color:var(--c-inverse)}
.cta-band .btn-ghost:hover{background:rgba(247,245,240,.12);color:var(--c-inverse)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-900);color:var(--c-inverse);margin-top:64px;padding:56px 0 28px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-inverse)}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:var(--c-inverse)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(247,245,240,.66);max-width:26em}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:rgba(247,245,240,.55);margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(247,245,240,.86)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-info p{font-size:14px;line-height:1.8;color:rgba(247,245,240,.7);margin-bottom:6px}
.footer-info strong{color:rgba(247,245,240,.9);font-weight:600}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(247,245,240,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12px;color:rgba(247,245,240,.58);
}
.footer-bottom a{color:rgba(247,245,240,.8);font-size:12px}
.footer-bottom a:hover{color:#fff}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-dark:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-inverse:#F7F5F0;
  --c-success:#2F7D5B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,60,58,.06),0 8px 24px rgba(20,60,58,.08);
  --sh-2:0 2px 4px rgba(20,60,58,.08),0 12px 32px rgba(20,60,58,.12);
  --gap-section:96px;
  --font-ui:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:none;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.35;color:var(--c-text);}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-accent-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
@media (min-width:1200px){ .container{padding-left:48px;padding-right:48px;} }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,58,.10);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:6px;justify-content:flex-start;}
.nav-right{display:flex;align-items:center;gap:6px;justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 10px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  transition:color .18s ease-out,background-color .18s ease-out;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-100);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:-2px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:var(--c-inverse);
  border-radius:8px;
  flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:16px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn-primary{
  background:var(--c-accent);
  color:#FFFFFF;
  border-color:var(--c-accent);
}
.btn-primary:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#FFFFFF;box-shadow:0 8px 20px rgba(194,104,58,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--c-line);
  border-radius:10px;
  color:var(--c-primary);
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#FFFFFF;
  overflow:hidden;
  max-height:0;
  transition:max-height .18s ease-out;
}
.mobile-panel.open{max-height:560px;}
.mobile-panel .m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 20px;
  font-size:16px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-panel .m-link:hover{background:var(--c-primary-100);color:var(--c-primary);}
.mobile-panel .m-link.active{color:var(--c-primary);font-weight:600;}
.mobile-panel .m-cta{padding:16px 20px 20px;}
@media (max-width:880px){
  .header-inner{grid-template-columns:1fr auto;height:64px;}
  .nav-left,.nav-right .nav-link,.nav-right .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right{gap:4px;}
  .mobile-panel{display:block;}
  .brand{font-size:17px;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--c-text-3);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--c-line);}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .current{color:var(--c-text);}

/* ---------- 页面头部 ---------- */
.page-hero{
  padding:40px 0 0;
}
.page-hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:900px){
  .page-hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;}
}
.page-hero h1{margin-bottom:18px;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  padding:6px 12px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-primary);
  background:var(--c-primary-100);
  border-radius:var(--r-badge);
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:34em;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  font-size:13px;
  color:var(--c-text-2);
  background:#FFFFFF;
  border:1px solid var(--c-line);
  border-radius:999px;
}
.tag .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
}
.hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:var(--c-bg-alt);
}
.hero-figure img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,60,58,.10),rgba(20,60,58,.32));
  pointer-events:none;
}
.hero-figure .fig-cap{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  font-size:12px;
  color:var(--c-inverse);
  background:rgba(20,60,58,.82);
  border-radius:var(--r-badge);
  width:fit-content;
}

/* ---------- 通用板块 ---------- */
.section{padding-top:var(--gap-section);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.section-head p{
  margin:8px 0 0;
  font-size:15px;
  color:var(--c-text-2);
  max-width:46em;
}
.section-title{
  position:relative;
  padding-left:14px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:1.05em;
  background:var(--c-primary);
  border-radius:2px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);
  padding-bottom:2px;
}
.text-link:hover{border-bottom-width:2px;color:var(--c-accent-dark);border-color:var(--c-accent-dark);}
.text-link .arw{transition:transform .18s ease-out;}
.text-link:hover .arw{transform:translateX(4px);}

/* ---------- 主体：编号清单 + 侧栏 ---------- */
.qa-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:1024px){
  .qa-layout{grid-template-columns:1fr 320px;gap:48px;align-items:start;}
}
.qa-panel{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px;
}
@media (max-width:767px){ .qa-panel{padding:22px;} }
.qa-panel-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:20px;
  border-bottom:1px solid var(--c-line-soft);
}
.qa-panel-head h2{font-size:22px;}
.qa-panel-head .count{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--c-text-3);
}
.question-item{
  display:grid;
  grid-template-columns:48px 1fr;
  gap:20px;
  padding:28px 0;
  border-bottom:1px solid var(--c-line-soft);
}
.question-item:last-child{border-bottom:0;padding-bottom:0;}
.q-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-accent);
  line-height:1.9;
}
.question-item h3{
  font-size:18px;
  margin-bottom:10px;
  line-height:1.6;
}
.question-item p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
  margin-bottom:0;
}
.question-item .q-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:12px;
  color:var(--c-text-3);
  letter-spacing:.04em;
}
.question-item .q-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--c-line);display:inline-block;}

/* 侧栏 */
.qa-aside{
  display:grid;
  gap:24px;
}
@media (min-width:1024px){
  .qa-aside{position:sticky;top:96px;}
}
.aside-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
}
.aside-card h3{
  font-size:17px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line-soft);
}
.check-list li{
  display:grid;
  grid-template-columns:22px 1fr;
  gap:10px;
  padding:10px 0;
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-2);
}
.check-list li+li{border-top:1px dashed var(--c-line-soft);}
.check-list .mk{
  width:20px;height:20px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:12px;
  font-family:var(--font-num);
  font-weight:700;
  margin-top:2px;
}
.param-table{
  border:1px solid var(--c-line-soft);
  border-radius:12px;
  overflow:hidden;
  background:var(--c-bg);
}
.param-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  font-size:13.5px;
}
.param-row+.param-row{border-top:1px solid var(--c-line-soft);}
.param-row .k{color:var(--c-text-3);}
.param-row .v{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  color:var(--c-primary);
  text-align:right;
}
.aside-card .aside-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--c-text-3);
}
.aside-cta{
  background:var(--c-primary-900);
  border-color:var(--c-primary-900);
  color:var(--c-inverse);
}
.aside-cta h3{
  color:var(--c-inverse);
  border-bottom-color:rgba(247,245,240,.18);
}
.aside-cta p{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,240,.78);
  margin-bottom:18px;
}
.aside-cta .btn-ghost{
  color:var(--c-inverse);
  border-color:rgba(247,245,240,.6);
}
.aside-cta .btn-ghost:hover{
  background:rgba(247,245,240,.12);
  color:var(--c-inverse);
}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:900px){
  .split{grid-template-columns:.85fr 1.15fr;gap:48px;}
}
.split-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.split-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .18s ease-out;
}
.split-figure:hover img{transform:scale(1.02);}
.split-body h2{margin-bottom:16px;}
.split-body p{
  font-size:15.5px;
  color:var(--c-text-2);
  max-width:40em;
}
.mini-list{
  display:grid;
  gap:14px;
  margin-top:24px;
}
.mini-list li{
  display:grid;
  grid-template-columns:28px 1fr;
  gap:12px;
  padding:14px 16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:12px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--c-text-2);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.mini-list li:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.mini-list .idx{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:700;
  color:var(--c-primary);
  background:var(--c-primary-100);
  border-radius:6px;
  height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.mini-list strong{color:var(--c-text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:900px){
  .faq-wrap{grid-template-columns:4fr 8fr;gap:48px;}
}
.faq-intro h2{margin-bottom:14px;}
.faq-intro p{
  font-size:15px;
  color:var(--c-text-2);
  margin-bottom:24px;
}
.faq-list{
  border-top:1px solid var(--c-line);
}
.faq-item{
  border-bottom:1px solid var(--c-line);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  list-style:none;
  transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:1.5px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:1.5px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-body{
  padding:0 0 22px 16px;
  border-left:3px solid var(--c-primary);
  margin-left:0;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
}
.faq-body p{margin:0;}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  margin-top:var(--gap-section);
  background:var(--c-primary);
  color:var(--c-inverse);
  border-radius:var(--r-card);
  padding:48px 32px;
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
}
@media (min-width:900px){
  .cta-band{grid-template-columns:1.3fr .7fr;padding:56px 48px;gap:48px;}
}
.cta-band h2{color:var(--c-inverse);margin-bottom:14px;}
.cta-band p{
  font-size:15.5px;
  line-height:1.85;
  color:rgba(247,245,240,.82);
  max-width:36em;
  margin-bottom:0;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.cta-actions .btn-ghost{
  color:var(--c-inverse);
  border-color:rgba(247,245,240,.65);
}
.cta-actions .btn-ghost:hover{
  background:rgba(247,245,240,.14);
  color:var(--c-inverse);
}
.cta-actions .btn{min-width:150px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap-section);
  background:var(--c-primary-900);
  color:var(--c-inverse);
  padding:64px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
@media (min-width:700px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 32px;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--c-inverse);
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:var(--c-inverse);}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,240,.7);
  margin:0;
  max-width:22em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:rgba(247,245,240,.95);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:rgba(247,245,240,.7);
  padding:6px 0;
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col a:hover{color:var(--c-inverse);padding-left:4px;}
.footer-info p{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,240,.7);
  margin:0 0 8px;
}
.footer-info strong{color:rgba(247,245,240,.92);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(247,245,240,.16);
  font-size:12px;
  color:rgba(247,245,240,.6);
}
.footer-bottom a{color:rgba(247,245,240,.8);font-size:12px;}
.footer-bottom a:hover{color:var(--c-inverse);}

@media (max-width:1023px){
  :root{--gap-section:72px;}
}
@media (max-width:767px){
  :root{--gap-section:56px;}
  body{font-size:16px;}
  .question-item{grid-template-columns:36px 1fr;gap:14px;padding:22px 0;}
  .question-item h3{font-size:17px;}
  .cta-band{padding:36px 22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:48px 0 32px;}
}
@media (max-width:520px){
  .hero-tags{gap:8px;}
  .tag{font-size:12px;padding:5px 10px;}
  .qa-panel-head h2{font-size:19px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category6 */
:root{
  --c-primary:#143C3A;
  --c-primary-900:#0B2624;
  --c-primary-100:#E7EDEA;
  --c-accent:#C2683A;
  --c-accent-hover:#A8552C;
  --c-crimson:#A6382B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE2;
  --c-card:#FFFFFF;
  --c-line:#DCD6C9;
  --c-line-soft:#EAE5D9;
  --c-text:#1A1C1A;
  --c-text-2:#55584F;
  --c-text-3:#8A8D83;
  --c-reverse:#F7F5F0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,60,58,.06), 0 8px 24px rgba(20,60,58,.08);
  --sh-2:0 2px 4px rgba(20,60,58,.08), 0 12px 32px rgba(20,60,58,.12);
  --space-section:96px;
  --ease:0.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none}
a:visited{color:var(--c-primary)}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em;color:var(--c-primary-900)}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--c-primary-100);color:var(--c-primary-900)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 48px;width:100%}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(20,60,58,.10)}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:2px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:2px;justify-self:end}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-100);color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;
  font-size:19px;font-weight:700;color:var(--c-primary);
  letter-spacing:.01em;
  transition:opacity var(--ease);
}
.brand:hover{opacity:.86}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;
  border-radius:8px;
  background:var(--c-primary);
  color:var(--c-bg);
  display:grid;place-items:center;
}
.brand-mark svg{width:17px;height:17px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  align-items:center;justify-content:center;
  justify-self:end;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--c-primary-100);border-color:var(--c-primary)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);border-radius:2px;
  transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out;
  background:#fff;
  border-bottom:1px solid var(--c-line-soft);
}
.mobile-panel.open{max-height:560px}
.mobile-panel-inner{padding:8px 20px 20px}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;
  font-size:16px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line-soft);
  transition:color var(--ease),padding-left var(--ease);
}
.mobile-link:hover{color:var(--c-primary);padding-left:8px}
.mobile-link .chev{color:var(--c-text-3);font-size:14px}
.mobile-link.active{color:var(--c-primary);font-weight:600}
.mobile-cta{margin-top:16px;display:block;text-align:center}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  text-align:center;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 2px 8px rgba(194,104,58,.24)}
.btn-primary:hover{background:var(--c-accent-hover);box-shadow:0 6px 18px rgba(194,104,58,.30);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-primary:visited{color:#fff}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100)}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(20,60,58,.35);
  padding-bottom:2px;
  transition:border-color var(--ease),gap var(--ease);
}
.text-link:hover{border-bottom-width:2px;gap:10px}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  background-image:linear-gradient(115deg, rgba(11,38,36,.90) 0%, rgba(20,60,58,.72) 55%, rgba(20,60,58,.55) 100%), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--c-reverse);
  padding:56px 0 64px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(247,245,240,.72);
  margin-bottom:28px;
}
.breadcrumb a{color:rgba(247,245,240,.86);transition:color var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;
  color:rgba(247,245,240,.86);
  background:rgba(247,245,240,.12);
  border:1px solid rgba(247,245,240,.22);
  border-radius:var(--r-badge);
  padding:6px 12px;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  margin-bottom:18px;
  max-width:16em;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(247,245,240,.88);
  max-width:38em;
  margin-bottom:26px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13px;color:rgba(247,245,240,.80);
}
.hero-meta .dot{opacity:.45}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn-ghost{border-color:rgba(247,245,240,.6);color:#fff}
.hero-actions .btn-ghost:hover{background:rgba(247,245,240,.14)}

/* ===== Sections ===== */
.section{padding:var(--space-section) 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .kicker{
  display:inline-block;
  font-size:12px;letter-spacing:.14em;
  color:var(--c-accent);
  font-weight:700;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--c-text-2);margin:0}

/* ===== Highlights ===== */
.highlight-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.highlight-item{
  padding:26px 24px;
  border-right:1px solid var(--c-line-soft);
}
.highlight-item:last-child{border-right:0}
.highlight-item .h-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-primary-900);
  margin-bottom:6px;
}
.highlight-item .h-title .dotmark{
  width:8px;height:8px;border-radius:2px;background:var(--c-accent);flex:0 0 8px;
}
.highlight-item p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75}

/* ===== Card grid 2x3 ===== */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#CFC8B8}
.card-thumb{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--c-bg-alt);
  margin-bottom:18px;
}
.card-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease-out;
}
.card:hover .card-thumb img{transform:scale(1.03)}
.card h3{
  font-size:18px;font-weight:600;line-height:1.5;
  color:var(--c-primary-900);
  margin-bottom:8px;
  transition:color var(--ease);
}
.card:hover h3{color:var(--c-primary)}
.card p{
  font-size:14px;line-height:1.75;color:var(--c-text-2);
  margin:0;
}
.card-tag{
  display:inline-block;
  align-self:flex-start;
  font-size:12px;line-height:1.4;letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-100);
  border-radius:var(--r-badge);
  padding:4px 10px;
  margin-bottom:14px;
}

/* ===== Spec table ===== */
.spec-wrap{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.spec-table{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.spec-row{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:20px;
  padding:18px 24px;
  border-bottom:1px solid var(--c-line-soft);
  font-size:15px;
}
.spec-row:last-child{border-bottom:0}
.spec-row:nth-child(odd){background:#FCFBF8}
.spec-key{color:var(--c-text-3);font-size:14px}
.spec-val{color:var(--c-text);font-weight:500}
.spec-val strong{color:var(--c-primary);font-weight:700}

/* ===== Steps ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75}

/* ===== FAQ ===== */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-side h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.faq-side p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;
  padding:14px 0;
  font-size:16px;font-weight:600;color:var(--c-primary-900);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border:1.5px solid var(--c-line);
  border-radius:8px;
  color:var(--c-primary);
  font-size:16px;font-weight:600;line-height:1;
  transition:background var(--ease),border-color var(--ease);
}
.faq-item[open] summary::after{content:"−";background:var(--c-primary-100);border-color:var(--c-primary)}
.faq-body{
  padding:0 0 20px 16px;
  border-left:3px solid var(--c-primary);
  margin-left:0;
}
.faq-body p{font-size:15px;line-height:1.9;color:var(--c-text-2);margin:0}

/* ===== CTA / Form ===== */
.cta-section{
  background:var(--c-primary-900);
  color:var(--c-reverse);
  padding:var(--space-section) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.cta-copy h2{
  color:#fff;
  font-size:clamp(24px,2.6vw,32px);
  margin-bottom:16px;
}
.cta-copy p{color:rgba(247,245,240,.80);font-size:15px;margin-bottom:24px}
.cta-points{display:grid;gap:14px;margin-bottom:28px}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:rgba(247,245,240,.90);
}
.cta-points li::before{
  content:"";
  flex:0 0 8px;width:8px;height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--c-accent);
}
.contact-facts{
  border-top:1px solid rgba(247,245,240,.18);
  padding-top:20px;
  display:grid;gap:8px;
  font-size:14px;color:rgba(247,245,240,.74);
}
.contact-facts strong{color:#fff;font-weight:600}
.form-card{
  background:#fff;
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:0 18px 48px rgba(0,0,0,.22);
  color:var(--c-text);
}
.form-card h3{font-size:20px;margin-bottom:6px;color:var(--c-primary-900)}
.form-card .form-sub{font-size:14px;color:var(--c-text-2);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:13px;font-weight:600;
  color:var(--c-primary-900);
  margin-bottom:8px;
}
.req{color:var(--c-crimson);margin-left:2px}
.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  min-height:44px;
  padding:11px 14px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#FDFCFA;
  font-size:15px;
  color:var(--c-text);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(20,60,58,.12);
}
.field .hint{font-size:12px;color:var(--c-text-3);margin-top:6px}
.check-row{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--c-text-2);
  margin-bottom:22px;
  line-height:1.7;
}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);flex:0 0 16px}
.form-success{
  text-align:center;
  padding:32px 8px;
}
.form-success .ok-icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--c-primary-100);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:26px;font-weight:700;
}
.form-success h3{margin-bottom:10px}
.form-success p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}

/* ===== Footer ===== */
.site-footer{
  background:#0B2624;
  color:var(--c-reverse);
  padding:64px 0 40px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(247,245,240,.14);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(247,245,240,.14);color:#fff}
.footer-desc{color:rgba(247,245,240,.66);font-size:14px;line-height:1.8;margin:0;max-width:24em}
.site-footer h4{
  color:#fff;font-size:14px;font-weight:700;
  letter-spacing:.06em;
  margin:0 0 16px;
}
.footer-col a{
  display:block;
  color:rgba(247,245,240,.72);
  padding:6px 0;
  font-size:14px;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-info p{
  color:rgba(247,245,240,.72);
  font-size:14px;
  margin:0 0 8px;
  line-height:1.8;
}
.footer-info p strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:12px;
  color:rgba(247,245,240,.56);
}
.footer-bottom a{color:rgba(247,245,240,.78)}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .container{padding:0 32px}
  :root{--space-section:80px}
  .spec-wrap,.cta-grid,.faq-layout{gap:36px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-info{grid-column:1 / -1}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .header-inner{grid-template-columns:1fr auto;height:64px}
  .brand{justify-self:start;font-size:17px}
  .nav-toggle{display:flex}
  .highlight-strip{grid-template-columns:1fr}
  .highlight-item{border-right:0;border-bottom:1px solid var(--c-line-soft)}
  .highlight-item:last-child{border-bottom:0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .spec-wrap{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .form-card{padding:26px}
  :root{--space-section:72px}
}
@media (max-width:767px){
  :root{--space-section:56px}
  .container{padding:0 20px}
  body{font-size:15px;line-height:1.8}
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:16px 20px}
  .spec-key{font-size:13px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-info{grid-column:auto}
  .section-head{margin-bottom:28px}
  .card{padding:20px}
  .form-card{padding:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{min-height:48px}
}
@media (max-width:480px){
  .hero-eyebrow{font-size:11px}
  .hero-meta{font-size:12px}
  .faq-item summary{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}