/* roulang page: index */
:root{
  --ink:#131211;
  --forest:#0E2E2B;
  --persimmon:#D2542B;
  --sand:#F7F4EF;
  --mist:#EFEAE1;
  --line:#DED7CB;
  --muted:#5B554D;
  --sage:#8FA79B;
  --white:#FFFFFF;
  --radius-card:10px;
  --radius-img:12px;
  --radius-btn:8px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hover:0 18px 40px -24px rgba(14,46,43,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--persimmon);outline-offset:3px;box-shadow:0 0 0 3px rgba(210,84,43,.18);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:96px;padding-bottom:96px;}
.section-tight{padding-top:72px;padding-bottom:72px;}
.rule{height:1px;background:var(--line);width:100%;border:0;}

.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--persimmon);
  display:inline-block;margin-bottom:14px;
}
.h1{
  font-family:"Noto Serif SC",Songti SC,serif;
  font-weight:900;
  font-size:clamp(34px,5vw,62px);
  line-height:1.15;
  letter-spacing:-.01em;
  color:var(--ink);
}
.h2{
  font-family:"Noto Serif SC",Songti SC,serif;
  font-weight:700;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--ink);
}
.h3{
  font-size:22px;line-height:1.4;font-weight:700;color:var(--ink);
}
.lead{font-size:16px;line-height:1.8;color:var(--muted);}
.small{font-size:13px;line-height:1.7;color:var(--muted);}
.num{font-family:Inter,system-ui,sans-serif;letter-spacing:-.01em;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;border-radius:var(--radius-btn);
  transition:background-color 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease),border-color 160ms var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform 160ms var(--ease);display:inline-block;}
.btn:hover .arrow{transform:translateX(3px);}
.btn-primary{background:var(--persimmon);color:var(--sand);}
.btn-primary:hover{background:#b8461f;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--sand);}
.btn-light{background:var(--sand);color:var(--ink);}
.btn-light:hover{background:#eae4d9;}
.btn-outline-light{background:transparent;color:var(--sand);border:1px solid rgba(247,244,239,.5);}
.btn-outline-light:hover{background:rgba(247,244,239,.12);border-color:var(--sand);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--persimmon);
  border-bottom:1px solid transparent;transition:border-color 160ms var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--persimmon);}
.link-arrow .arrow{transition:transform 160ms var(--ease);}
.link-arrow:hover .arrow{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  transition:background-color 200ms var(--ease),box-shadow 200ms var(--ease),height 200ms var(--ease);
  height:72px;
}
.site-header.is-scrolled{
  background:var(--sand);
  box-shadow:0 1px 0 var(--line);
  height:60px;
}
.header-inner{
  position:relative;height:100%;
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--container);margin:0 auto;padding:0 24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:8px;height:8px;background:var(--sage);display:block;flex:0 0 8px;
  border-radius:1px;
}
.logo-text{display:inline-flex;align-items:baseline;gap:4px;line-height:1;}
.logo-text strong{
  font-family:"Noto Sans SC",sans-serif;font-weight:700;font-size:20px;color:var(--ink);letter-spacing:-.01em;
}
.logo-text span{
  font-weight:500;font-size:.72em;color:var(--muted);font-size:14px;
}
.nav-chips{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:6px;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--muted);
  background:transparent;border:1px solid var(--line);
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
  white-space:nowrap;
}
.chip:hover{border-color:var(--sage);color:var(--ink);}
.chip-active,.chip.is-active{
  background:var(--forest);color:var(--sand);border-color:var(--forest);
}
.chip-active:hover,.chip.is-active:hover{color:var(--sand);border-color:var(--forest);}
.header-actions{display:flex;align-items:center;gap:20px;}
.header-cta{padding:11px 20px;font-size:14px;}
.header-textlink{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;gap:6px;align-items:center;}
.header-textlink:hover{color:var(--persimmon);}
.burger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer{
  position:fixed;inset:0;background:var(--sand);z-index:70;
  display:flex;flex-direction:column;padding:20px;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:44px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);
}
.drawer-nav{margin-top:16px;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-nav a.is-active{color:var(--persimmon);}
.drawer-foot{margin-top:20px;}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- Hero ---------- */
.hero{padding-top:132px;padding-bottom:72px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-sub{font-size:18px;line-height:1.7;color:var(--muted);margin-top:20px;max-width:520px;}
.hero-meta{font-size:13px;color:var(--muted);margin-top:14px;letter-spacing:.01em;}
.hero-cta{display:flex;align-items:center;gap:24px;margin-top:32px;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-imgwrap{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/3;background:var(--mist);
}
.hero-imgwrap img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.hero-imgwrap::after{
  content:"";position:absolute;inset:0;background:var(--forest);opacity:.08;transition:opacity 420ms var(--ease);
}
.hero-imgwrap:hover img{transform:scale(1.03);}
.hero-imgwrap:hover::after{opacity:.14;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:20px;border-top:1px solid var(--line);padding-top:16px;gap:12px;
}
.hero-stat b{display:block;font-family:Inter,sans-serif;font-size:22px;font-weight:700;color:var(--ink);line-height:1.2;}
.hero-stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}
.hero-stat+.hero-stat{border-left:1px solid var(--line);padding-left:12px;}

/* ---------- Pain points ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:40px;}
.pain-item{padding:28px 0;border-top:1px solid var(--line);display:flex;gap:18px;}
.pain-num{
  font-family:Inter,sans-serif;font-size:15px;font-weight:700;color:var(--persimmon);
  letter-spacing:.02em;padding-top:4px;flex:0 0 32px;
}
.pain-item h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);}
.pain-item p{font-size:15px;line-height:1.75;color:var(--muted);margin-top:8px;}

/* ---------- Solution rows ---------- */
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.rows{margin-top:36px;border-bottom:1px solid var(--line);}
.row-item{
  display:flex;align-items:center;gap:36px;
  padding:32px 0;border-top:1px solid var(--line);
}
.row-item.reverse{flex-direction:row-reverse;}
.row-num{
  flex:0 0 56px;font-family:Inter,sans-serif;font-size:28px;font-weight:700;
  color:var(--persimmon);letter-spacing:.02em;line-height:1;
}
.row-body{flex:1 1 auto;min-width:0;}
.row-body h3{font-size:22px;font-weight:700;line-height:1.4;color:var(--ink);}
.row-body p{font-size:15px;line-height:1.75;color:var(--muted);margin-top:10px;max-width:560px;}
.row-body .link-arrow{margin-top:16px;}
.row-media{flex:0 0 38%;}
.row-media .imgwrap{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:var(--mist);
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.row-media .imgwrap:hover img{transform:scale(1.03);}

/* ---------- Stats band ---------- */
.band{background:var(--forest);color:var(--sand);}
.band .h2{color:var(--sand);}
.band .lead{color:rgba(247,244,239,.78);}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px;}
.stat-item .figure{
  font-family:Inter,sans-serif;font-weight:700;
  font-size:clamp(48px,6vw,72px);line-height:1;color:var(--sand);letter-spacing:-.02em;
}
.stat-item .figure em{font-style:normal;font-size:.36em;font-weight:600;margin-left:6px;color:var(--sage);}
.stat-item .cap{font-size:13px;letter-spacing:.06em;color:rgba(247,244,239,.72);margin-top:14px;}
.band-note{font-size:15px;line-height:1.8;color:rgba(247,244,239,.8);margin-top:48px;padding-top:24px;border-top:1px solid rgba(247,244,239,.16);}

/* ---------- Testimonials ---------- */
.quote-lg{
  position:relative;padding-left:28px;margin-top:36px;
}
.quote-lg::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--persimmon);
}
.quote-lg p{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:clamp(22px,2.6vw,26px);line-height:1.6;color:var(--ink);
}
.quote-lg .by{font-size:13px;color:var(--muted);margin-top:16px;font-family:"Noto Sans SC",sans-serif;font-weight:400;}
.quote-row{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-top:32px;}
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.quote-card p{font-size:16px;line-height:1.8;color:var(--ink);}
.quote-card .by{font-size:13px;color:var(--muted);margin-top:14px;}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;display:flex;flex-direction:column;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cfc6b6;}
.card-cover{
  border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:var(--mist);
  border:1px solid var(--line);margin-bottom:16px;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.card:hover .card-cover img{transform:scale(1.03);}
.badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:4px;background:var(--mist);color:var(--ink);
}
.badge-accent{background:rgba(210,84,43,.1);color:var(--persimmon);}
.card h3{
  font-size:18px;line-height:1.45;font-weight:600;color:var(--ink);margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  position:relative;
}
.card h3::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--persimmon);
  transition:width 240ms var(--ease);
}
.card:hover h3::after{width:100%;}
.card p{
  font-size:15px;line-height:1.75;color:var(--muted);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
}
.card-foot .date{font-family:Inter,sans-serif;font-size:13px;color:var(--muted);}
.card-foot .read{font-size:13px;font-weight:600;color:var(--persimmon);display:inline-flex;align-items:center;gap:4px;}
.empty-panel{
  margin-top:36px;min-height:220px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:rgba(239,234,225,.3);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;
}
.empty-panel p{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:36px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--persimmon);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;color:var(--sage);
  transition:transform 240ms var(--ease),color 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--persimmon);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 240ms var(--ease);
}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);padding-bottom:22px;max-width:760px;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--forest);color:var(--sand);padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner .h2{color:var(--sand);max-width:620px;}
.cta-inner .sub{color:rgba(247,244,239,.78);font-size:16px;margin-top:14px;}
.cta-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-actions .link-arrow{color:var(--sand);}
.cta-actions .link-arrow:hover{border-bottom-color:var(--sand);}

/* ---------- Footer ---------- */
.site-footer{background:var(--forest);color:var(--sand);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text strong{color:var(--sand);}
.footer-brand .logo-text span{color:rgba(247,244,239,.62);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,244,239,.7);margin-top:18px;max-width:300px;}
.footer-links-2{display:flex;gap:20px;margin-top:18px;}
.footer-links-2 a{font-size:14px;color:rgba(247,244,239,.85);position:relative;}
.footer-links-2 a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--sage);
  transition:width 200ms var(--ease);
}
.footer-links-2 a:hover::after{width:100%;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--sage);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,239,.85);position:relative;display:inline-block;}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--sage);
  transition:width 200ms var(--ease);
}
.footer-col a:hover::after{width:100%;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,244,239,.72);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(247,244,239,.16);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,239,.6);
}
.footer-bottom .links{display:flex;gap:20px;}
.footer-bottom a:hover{color:var(--sand);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 420ms var(--ease),transform 420ms var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
}
@media (max-width:1023px){
  .nav-chips{display:none;}
  .header-cta{display:none;}
  .header-textlink{display:none;}
  .burger{display:flex;}
  .section{padding-top:72px;padding-bottom:72px;}
  .hero{padding-top:112px;padding-bottom:56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:640px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .pain-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-grid{grid-template-columns:repeat(3,1fr);gap:24px;}
  .row-media{flex:0 0 42%;}
  .quote-row{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .header-inner{padding:0 20px;}
  .section{padding-top:56px;padding-bottom:56px;}
  .hero{padding-top:100px;padding-bottom:44px;}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:16px;}
  .row-item,.row-item.reverse{flex-direction:column;align-items:flex-start;gap:20px;}
  .row-media{flex:none;width:100%;}
  .row-num{font-size:22px;flex:none;}
  .stat-grid{grid-template-columns:1fr;gap:28px;}
  .stat-item{display:flex;align-items:baseline;gap:16px;}
  .stat-item .cap{margin-top:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .quote-lg{padding-left:20px;}
  .news-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;gap:0;}
  .hero-stat+.hero-stat{border-left:none;padding-left:0;border-top:1px solid var(--line);margin-top:12px;padding-top:12px;}
}
@media (max-width:520px){
  .h1{font-size:30px;}
  .btn{padding:13px 22px;font-size:14px;}
  .logo-text strong{font-size:18px;}
  .logo-text span{font-size:13px;}
  .card{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#131211;
  --forest:#0E2E2B;
  --persimmon:#D2542B;
  --sand:#F7F4EF;
  --mist:#EFEAE1;
  --line:#DED7CB;
  --muted:#5B554D;
  --sage:#8FA79B;
  --radius-card:10px;
  --radius-img:12px;
  --radius-btn:8px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea{font:inherit;color:inherit}
::selection{background:rgba(210,84,43,.18)}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--persimmon);
  outline-offset:3px;
  box-shadow:0 0 0 3px rgba(210,84,43,.18);
  border-radius:6px;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,239,.96);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom-color:var(--line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;max-width:1280px;margin:0 auto;padding:0 24px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:8px;height:20px;background:var(--sage);border-radius:2px;display:inline-block}
.logo-text{display:inline-flex;align-items:baseline;gap:4px;line-height:1}
.logo-text strong{font-weight:700;font-size:20px;color:var(--ink);letter-spacing:-.01em}
.logo-text span{font-weight:500;font-size:.72em;color:var(--muted);letter-spacing:.02em}
.nav-chips{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:8px;
}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);
  color:var(--muted);font-size:13px;font-weight:500;
  background:transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--forest);color:var(--forest)}
.chip.is-active,
.chip.chip-active{background:var(--forest);border-color:var(--forest);color:#F7F4EF;font-weight:600}
.header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;line-height:1;
  border-radius:var(--radius-btn);
  padding:14px 28px;
  transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform .16s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--persimmon);color:#F7F4EF}
.btn-primary:hover{background:#b8461f}
.btn-ghost{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#F7F4EF}
.btn-solid{background:var(--sand);color:var(--ink)}
.btn-solid:hover{background:#ffffff}
.header-cta{padding:9px 18px;font-size:13.5px;border-radius:8px}
.header-textlink{
  font-size:13.5px;font-weight:500;color:var(--muted);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .16s var(--ease);
}
.header-textlink:hover{color:var(--ink)}
.header-textlink .arrow{transition:transform .16s var(--ease)}
.header-textlink:hover .arrow{transform:translateX(3px)}
.burger{
  display:none;width:40px;height:40px;border-radius:8px;
  align-items:center;justify-content:center;position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  content:"";position:absolute;left:50%;width:20px;height:2px;background:var(--ink);
  border-radius:2px;transform:translateX(-50%);
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{top:-6px;transform:translateX(-50%)}
.burger span::after{top:6px;transform:translateX(-50%)}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:translateX(-50%) rotate(45deg);top:0}
.burger.is-open span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:79;
  background:var(--sand);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;gap:0;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer .chip{
  height:52px;border-radius:0;border:none;border-bottom:1px solid var(--line);
  font-size:15px;padding:0;justify-content:flex-start;width:100%;
}
.drawer .chip.is-active{background:transparent;color:var(--persimmon);font-weight:600}
.drawer-cta{margin-top:28px}
.drawer-cta .btn{width:100%}

/* ============ Article ============ */
.page-pad{height:112px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:12px;
}
.breadcrumb a{transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--persimmon)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:820px;margin-bottom:40px}
.article-badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:4px;background:var(--mist);color:var(--ink);margin-bottom:16px;
}
.article-head h1{
  font-family:'Noto Serif SC',serif;font-weight:900;
  font-size:clamp(30px,4.2vw,48px);line-height:1.2;letter-spacing:-.01em;color:var(--ink);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta i{font-style:normal;color:var(--line)}
.article-meta .num{font-family:'Inter',sans-serif;letter-spacing:-.01em}

.article-layout{
  display:grid;grid-template-columns:minmax(0,720px) 220px;
  gap:72px;justify-content:center;align-items:start;
}

.prose-zh{font-size:17px;line-height:1.85;color:var(--ink)}
.prose-zh > *:first-child{margin-top:0}
.prose-zh p{margin:0 0 1.35em}
.prose-zh p:first-of-type{font-weight:500}
.prose-zh h2{
  font-family:'Noto Serif SC',serif;font-size:24px;font-weight:700;line-height:1.45;
  margin:40px 0 16px;padding-left:14px;position:relative;color:var(--ink);
}
.prose-zh h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--persimmon);border-radius:2px;
}
.prose-zh h3{font-size:20px;font-weight:600;line-height:1.5;margin:28px 0 12px;color:var(--ink)}
.prose-zh blockquote{
  margin:26px 0;background:var(--mist);border-left:3px solid var(--forest);
  padding:20px 24px;color:var(--muted);font-size:16px;border-radius:0 8px 8px 0;
}
.prose-zh blockquote p:last-child{margin-bottom:0}
.prose-zh ul,.prose-zh ol{padding-left:1.4em;margin:0 0 1.35em}
.prose-zh ul{list-style:disc}
.prose-zh ol{list-style:decimal}
.prose-zh li{margin-bottom:.5em}
.prose-zh ul li::marker{color:var(--sage)}
.prose-zh img{border-radius:var(--radius-img);margin:26px 0;width:100%;border:1px solid var(--line)}
.prose-zh a{color:var(--ink);border-bottom:1px dashed var(--persimmon);transition:border-color .16s var(--ease)}
.prose-zh a:hover{border-bottom-style:solid}
.prose-zh table{width:100%;border-collapse:collapse;font-size:15px;margin:26px 0}
.prose-zh th,.prose-zh td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.prose-zh th{background:var(--mist);font-weight:600}
.prose-zh code{font-family:'Inter',monospace;font-size:14px;background:var(--mist);padding:2px 6px;border-radius:4px}

.article-side{position:sticky;top:96px;display:none}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  padding:20px;margin-bottom:20px;
}
.side-card h4{
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--persimmon);
  margin-bottom:14px;text-transform:none;
}
.side-card .side-nav a{
  display:block;font-size:13px;color:var(--muted);padding:8px 0 8px 12px;
  border-left:2px solid transparent;line-height:1.6;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.side-card .side-nav a:hover,
.side-card .side-nav a.is-current{color:var(--ink);border-left-color:var(--persimmon)}
.side-card .side-links li + li{border-top:1px solid var(--line)}
.side-card .side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13px;color:var(--muted);padding:10px 0;
  transition:color .16s var(--ease);
}
.side-card .side-links a:hover{color:var(--persimmon)}
.side-card .side-links a span{color:var(--sage)}

.empty-state{
  border:1px dashed var(--line);background:rgba(239,234,225,.45);
  border-radius:var(--radius-card);padding:56px 24px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px}

.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:4px;
  background:rgba(210,84,43,.10);color:var(--persimmon);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.tag:hover{background:var(--persimmon);color:#F7F4EF}

.next-prev{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:40px}
.np-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-card);
  background:#fff;padding:20px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.np-card:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(14,46,43,.28);border-color:var(--sage)}
.np-card .np-label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--sage);margin-bottom:8px}
.np-card h4{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.np-card .np-desc{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}

.sec-head-block{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.sec-head-block h2{font-family:'Noto Serif SC',serif;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.sec-link{
  font-size:14px;font-weight:600;color:var(--persimmon);
  display:inline-flex;align-items:center;gap:6px;
}
.sec-link .arrow{transition:transform .16s var(--ease)}
.sec-link:hover .arrow{transform:translateX(3px)}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  padding:20px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(14,46,43,.28);border-color:var(--sage)}
.card-figure{
  display:block;overflow:hidden;border-radius:var(--radius-img);
  aspect-ratio:16/9;background:var(--mist);border:1px solid var(--line);margin-bottom:16px;
}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.card:hover .card-figure img{transform:scale(1.03)}
.card-badge{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:4px;background:var(--mist);color:var(--ink);margin-bottom:10px;
}
.card h3{
  font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card p{
  font-size:15px;color:var(--muted);line-height:1.75;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-date{font-family:'Inter',sans-serif;font-size:13px;color:var(--muted);letter-spacing:-.01em}
.card-read{
  font-size:13px;font-weight:600;color:var(--persimmon);
  display:inline-flex;align-items:center;gap:6px;
}
.card-read .arrow{transition:transform .16s var(--ease)}
.card:hover .card-read .arrow{transform:translateX(3px)}

.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--ink);margin-top:36px;transition:color .16s var(--ease);
}
.back-link:hover{color:var(--persimmon)}

/* ============ CTA ============ */
.cta-band{background:var(--forest);color:#F7F4EF;padding:72px 0;margin-top:96px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{
  font-family:'Noto Serif SC',serif;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:#F7F4EF;
}
.cta-band p{font-size:15px;color:rgba(247,244,239,.78);margin-top:12px;max-width:52ch;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.cta-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#F7F4EF;
  border-bottom:1px solid rgba(143,167,155,.6);padding-bottom:2px;
  transition:border-color .16s var(--ease);
}
.cta-link:hover{border-bottom-color:#F7F4EF}
.cta-link .arrow{transition:transform .16s var(--ease)}
.cta-link:hover .arrow{transform:translateX(3px)}

/* ============ Footer ============ */
.site-footer{background:var(--forest);color:#F7F4EF;padding:72px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text strong{color:#F7F4EF}
.footer-brand .logo-text span{color:rgba(247,244,239,.65)}
.footer-brand .logo-mark{background:var(--sage)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,244,239,.72);max-width:36ch}
.footer-links-2{display:flex;gap:20px;margin-top:18px}
.footer-links-2 a{
  font-size:13.5px;font-weight:600;color:#F7F4EF;position:relative;padding-bottom:2px;
}
.footer-links-2 a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--sage);
  transition:width .24s var(--ease);
}
.footer-links-2 a:hover::after{width:100%}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--sage);margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  font-size:14px;color:rgba(247,244,239,.78);position:relative;padding-bottom:2px;
  transition:color .16s var(--ease);
}
.footer-col ul li a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--sage);
  transition:width .24s var(--ease);
}
.footer-col ul li a:hover{color:#F7F4EF}
.footer-col ul li a:hover::after{width:100%}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(247,244,239,.72)}
.footer-bottom{
  border-top:1px solid rgba(247,244,239,.16);
  padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,239,.66);
}
.footer-bottom .links{display:flex;align-items:center;gap:20px}
.footer-bottom .links a{position:relative;padding-bottom:2px}
.footer-bottom .links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--sage);
  transition:width .24s var(--ease);
}
.footer-bottom .links a:hover::after{width:100%}

/* ============ Motion ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{transform:none;opacity:1}
}

/* ============ Responsive ============ */
@media (min-width:1200px){
  .article-side{display:block}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,720px);gap:0}
  .article-side{display:none}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .header-textlink{display:none}
  .burger{display:inline-flex}
  .header-cta{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .page-pad{height:96px}
  .article-head{margin-bottom:32px}
  .card-grid{grid-template-columns:1fr}
  .next-prev{grid-template-columns:1fr}
  .cta-band{padding:56px 0;margin-top:72px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .prose-zh{font-size:16.5px}
  .prose-zh h2{font-size:22px}
  .prose-zh h3{font-size:19px}
}
@media (max-width:519px){
  .logo-text strong{font-size:18px}
  .article-meta{font-size:12.5px;gap:8px}
  .btn{padding:13px 22px;font-size:14px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#131211;
  --forest:#0E2E2B;
  --persimmon:#D2542B;
  --sand:#F7F4EF;
  --mist:#EFEAE1;
  --line:#DED7CB;
  --muted:#5B554D;
  --sage:#8FA79B;
  --body:#2B2723;
  --radius-card:10px;
  --radius-img:12px;
  --radius-btn:8px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-serif:'Noto Serif SC','Songti SC','STSong',serif;
  --font-num:'Inter','Noto Sans SC',system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
img{max-width:100%;display:block;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);letter-spacing:-0.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--persimmon);outline-offset:2px;box-shadow:0 0 0 3px rgba(210,84,43,.18);border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
@media (max-width:1023px){.section{padding:64px 0;}}
@media (max-width:639px){.section{padding:48px 0;}.container{padding:0 20px;}}

.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--persimmon);
  margin-bottom:14px;
}
.h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;}
.lead{font-size:15px;line-height:1.85;color:var(--muted);}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.scrolled{background:var(--sand);border-bottom:1px solid var(--line);}
.header-inner{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:height .2s var(--ease);
}
.site-header.scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{width:8px;height:8px;border-radius:1px;background:var(--sage);flex:none;}
.logo-text{display:inline-flex;align-items:baseline;white-space:nowrap;font-size:19px;line-height:1;font-family:var(--font-sans);}
.logo-text strong{font-weight:700;color:var(--ink);letter-spacing:-0.01em;}
.logo-text span{font-size:.72em;font-weight:500;color:var(--muted);margin-left:4px;}
.nav-chips{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  align-items:center;
  gap:6px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
  background:transparent;
  border:1px solid var(--line);
  border-radius:999px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{color:var(--ink);border-color:var(--ink);}
.chip-active,.chip.is-active{background:var(--forest);color:var(--sand);border-color:var(--forest);}
.chip-active:hover,.chip.is-active:hover{color:var(--sand);border-color:var(--forest);}
.header-actions{display:flex;align-items:center;gap:18px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--radius-btn);
  padding:14px 26px;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .16s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}
.btn-primary{background:var(--persimmon);color:#F7F4EF;border:1px solid var(--persimmon);}
.btn-primary:hover{background:#bd4823;border-color:#bd4823;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--sand);}
.btn-light{background:var(--sand);color:var(--ink);border:1px solid var(--sand);}
.btn-light:hover{background:#fff;border-color:#fff;}
.btn-outline-light{background:transparent;color:var(--sand);border:1px solid rgba(247,244,239,.45);}
.btn-outline-light:hover{background:rgba(247,244,239,.1);border-color:var(--sand);}
.header-cta{padding:11px 20px;font-size:14px;}
.header-textlink{font-size:14px;font-weight:500;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.header-textlink:hover{color:var(--persimmon);}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:8px;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.mobile-drawer{display:none;}

@media (max-width:1023px){
  .nav-chips,.header-cta,.header-textlink{display:none;}
  .burger{display:inline-flex;}
  .header-inner{height:64px;}
  .site-header.scrolled .header-inner{height:58px;}
  .mobile-drawer{
    display:block;
    position:fixed;
    inset:0;
    z-index:90;
    background:var(--sand);
    padding:20px 20px 32px;
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    visibility:hidden;
  }
  .mobile-drawer.open{transform:translateX(0);visibility:visible;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
  .drawer-close{font-size:14px;font-weight:600;color:var(--muted);}
  .drawer-nav{display:grid;margin-top:8px;}
  .drawer-nav a{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;}
  .drawer-nav a.is-active{color:var(--persimmon);font-weight:600;}
  .drawer-cta{margin-top:28px;width:100%;display:flex;}
}

/* ---------- Page hero ---------- */
.page-hero{padding:112px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.breadcrumb a:hover{color:var(--persimmon);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;}
.page-title{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.18;
  font-weight:900;
  margin-bottom:18px;
}
.hero-lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:540px;}
.section-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.hero-figure{
  position:relative;
  aspect-ratio:4 / 3;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--mist);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(14,46,43,.08);pointer-events:none;}
@media (max-width:1023px){
  .page-hero{padding:96px 0 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{display:none;}
}

/* ---------- Two column doc ---------- */
.doc-wrap{padding:56px 0 88px;}
.doc-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);gap:56px;align-items:start;}
@media (max-width:1023px){
  .doc-layout{grid-template-columns:1fr;gap:40px;}
  .doc-wrap{padding:40px 0 64px;}
}
.rich h2{
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.32;
  font-weight:700;
  padding-left:14px;
  border-left:3px solid var(--persimmon);
  margin:52px 0 18px;
  scroll-margin-top:96px;
}
.rich h2:first-of-type{margin-top:0;}
.rich h3{font-size:19px;line-height:1.45;font-weight:600;margin:0 0 10px;font-family:var(--font-sans);}
.rich p{font-size:16.5px;line-height:1.85;color:var(--body);margin-bottom:18px;}
.rich ul{list-style:none;display:grid;gap:10px;margin:0 0 26px;}
.rich ul li{position:relative;padding-left:22px;font-size:16px;line-height:1.8;color:var(--body);}
.rich ul li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:3px;border-radius:2px;background:var(--sage);}
.rich ol{list-style:none;counter-reset:step;display:grid;gap:14px;margin:0 0 26px;}
.rich ol li{
  counter-increment:step;
  position:relative;
  padding-left:48px;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
}
.rich ol li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:32px;height:26px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  color:var(--persimmon);
  background:var(--mist);
  border:1px solid var(--line);
  border-radius:6px;
}

.row-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr) 190px;
  gap:24px;
  align-items:start;
  padding:28px 0;
  border-top:1px solid var(--line);
}
.row-item:last-of-type{border-bottom:1px solid var(--line);margin-bottom:8px;}
.row-num{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--persimmon);letter-spacing:.02em;line-height:1.1;}
.row-body p{font-size:15.5px;line-height:1.8;color:var(--muted);margin:0 0 12px;}
.row-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--persimmon);}
.row-link .arrow{transition:transform .16s var(--ease);}
.row-link:hover .arrow{transform:translateX(3px);}
.row-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4 / 3;
  background:var(--mist);
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.row-item:hover .row-media img{transform:scale(1.03);}
@media (max-width:767px){
  .row-item{grid-template-columns:1fr;gap:14px;}
  .row-num{font-size:20px;}
  .row-media{max-width:100%;aspect-ratio:16 / 9;}
}

/* ---------- Sidebar ---------- */
.side-sticky{position:sticky;top:96px;display:grid;gap:24px;}
@media (max-width:1023px){.side-sticky{position:static;}}
.toc-card,.quick-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
}
.toc-card .eyebrow,.quick-card .eyebrow{margin-bottom:14px;}
.toc-nav{display:grid;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
  padding:9px 0 9px 12px;
  border-left:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.toc-link:hover{color:var(--ink);}
.toc-link.is-active{color:var(--ink);border-left-color:var(--persimmon);font-weight:600;}
.quick-card h3{font-family:var(--font-sans);font-size:15px;font-weight:600;margin-bottom:14px;}
.quick-list{display:grid;}
.quick-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  padding:12px 0;
  border-top:1px solid var(--line);
  color:var(--ink);
}
.quick-list a:first-child{border-top:0;}
.quick-list a:hover{color:var(--persimmon);}
.quick-list .arrow{color:var(--persimmon);}
.side-note{font-size:13px;line-height:1.75;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--forest);color:var(--sand);}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:72px 0;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;margin-bottom:12px;color:var(--sand);}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(247,244,239,.74);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;flex:none;}
.textlink-light{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--sand);}
.textlink-light .arrow{transition:transform .16s var(--ease);}
.textlink-light:hover .arrow{transform:translateX(3px);}
@media (max-width:1023px){
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;gap:26px;}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--forest);color:var(--sand);}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:72px 0 48px;
}
.footer-brand .logo-text strong{color:var(--sand);}
.footer-brand .logo-text span{color:rgba(247,244,239,.7);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,244,239,.7);margin:16px 0 18px;max-width:300px;}
.footer-links-2{display:flex;gap:18px;}
.footer-links-2 a{font-size:14px;color:rgba(247,244,239,.88);position:relative;padding-bottom:3px;}
.footer-links-2 a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--sage);transition:width .24s var(--ease);}
.footer-links-2 a:hover::after{width:100%;}
.footer-col h4{font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(247,244,239,.6);margin-bottom:16px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,239,.86);position:relative;padding-bottom:3px;display:inline-block;}
.footer-col a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--sage);transition:width .24s var(--ease);}
.footer-col a:hover::after{width:100%;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,244,239,.7);}
.footer-bottom{
  border-top:1px solid rgba(247,244,239,.16);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color:rgba(247,244,239,.6);
}
.footer-bottom .links{display:flex;gap:18px;}
.footer-bottom .links a:hover{color:var(--sand);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 36px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#131211;
  --forest:#0E2E2B;
  --persimmon:#D2542B;
  --sand:#F7F4EF;
  --mist:#EFEAE1;
  --line:#DED7CB;
  --muted:#5B554D;
  --sage:#8FA79B;
  --white:#FFFFFF;
  --radius-card:10px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-hover:0 18px 40px -24px rgba(14,46,43,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:'Noto Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC',system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
  --font-num:'Inter',var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  padding-top:72px;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.site-body img{display:block;max-width:100%;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.site-body p{margin:0}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0}
.site-body table{border-collapse:collapse;width:100%}
.site-body.no-scroll{overflow:hidden}

/* ---------- 容器与排版 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:96px;padding-bottom:96px}
.section-sm{padding-top:64px;padding-bottom:64px}
.h1{font-family:var(--font-serif);font-weight:900;font-size:clamp(30px,4.6vw,52px);line-height:1.18;letter-spacing:-.01em;color:var(--ink)}
.h2{font-family:var(--font-serif);font-weight:700;font-size:clamp(24px,3vw,36px);line-height:1.28;color:var(--ink)}
.h3{font-family:var(--font-serif);font-weight:700;font-size:22px;line-height:1.4;color:var(--ink)}
.lead{font-size:15px;line-height:1.75;color:var(--muted)}
.body-text{font-size:16.5px;line-height:1.85;color:var(--ink)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--persimmon)}
.num{font-family:var(--font-num);font-feature-settings:"tnum";letter-spacing:-.01em}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head .head-text{max-width:640px}
.section-head .h2{margin-top:10px}
.section-head .lead{margin-top:10px}
.rule{height:1px;background:var(--line);border:0;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.scrolled{background:var(--sand);border-bottom-color:var(--line)}
.header-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  transition:height .2s var(--ease);
}
.site-header.scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{width:8px;height:8px;background:var(--sage);display:inline-block;flex:0 0 auto;border-radius:2px}
.logo-text{display:inline-flex;align-items:baseline;gap:6px;font-family:var(--font-serif)}
.logo-text strong{font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.logo-text span{font-weight:500;font-size:13.7px;color:var(--muted);letter-spacing:.02em}
.nav-chips{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:6px;
  background:transparent;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:13px;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--forest);color:var(--ink)}
.chip.chip-active,.chip.is-active{background:var(--forest);border-color:var(--forest);color:var(--sand)}
.chip:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--persimmon);outline-offset:2px;
  box-shadow:0 0 0 3px rgba(210,84,43,.18);
}
.header-actions{display:flex;align-items:center;gap:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--radius-btn);
  padding:14px 26px;border:1px solid transparent;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .16s var(--ease);font-family:var(--font-num)}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--persimmon);color:var(--sand)}
.btn-primary:hover{background:#b9471f}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--sand)}
.btn-light{background:var(--sand);color:var(--ink)}
.btn-light:hover{background:#e9e3d8}
.btn-outline-light{background:transparent;border-color:rgba(247,244,239,.55);color:var(--sand)}
.btn-outline-light:hover{background:rgba(247,244,239,.12);border-color:var(--sand)}
.header-cta{padding:11px 18px;font-size:13px}
.header-textlink{font-size:13px;font-weight:500;color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:color .16s var(--ease)}
.header-textlink:hover{color:var(--ink)}
.burger{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;border:1px solid var(--line)}
.burger span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:var(--sand);
  display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .28s var(--ease),opacity .24s var(--ease);
}
.nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:8px;font-size:20px;line-height:1;color:var(--ink)}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 24px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:500;color:var(--ink);
}
.drawer-link::after{content:"→";font-family:var(--font-num);color:var(--sage);font-size:14px}
.drawer-link.is-current{color:var(--persimmon)}
.drawer-foot{padding:20px;border-top:1px solid var(--line)}
.drawer-cta{width:100%}

/* ---------- 页面头部 ---------- */
.page-hero{padding-top:48px;padding-bottom:72px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:12px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:52px;align-items:center}
.page-hero .h1{margin-bottom:16px}
.page-hero .lead{max-width:560px}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line)}
.hero-figure .fig-overlay{position:absolute;inset:0;background:rgba(14,46,43,.08);border-radius:var(--radius-img);pointer-events:none}
.hero-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.subnav{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 导语块 ---------- */
.intro-block .intro-inner{max-width:760px}
.intro-block .body-text+.body-text{margin-top:18px}

/* ---------- 横向卡带 ---------- */
.rail-wrap{position:relative}
.card-rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 16px;margin:0 -2px;
  scrollbar-width:thin;scrollbar-color:var(--sage) transparent;
}
.card-rail::-webkit-scrollbar{height:6px}
.card-rail::-webkit-scrollbar-track{background:var(--mist);border-radius:999px}
.card-rail::-webkit-scrollbar-thumb{background:var(--sage);border-radius:999px}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px 14px 18px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.rail-media{position:relative;overflow:hidden;border-radius:var(--radius-img);border:1px solid var(--line)}
.rail-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .42s var(--ease)}
.rail-media::after{content:"";position:absolute;inset:0;background:rgba(14,46,43,0);transition:background-color .42s var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-card:hover .rail-media::after{background:rgba(14,46,43,.08)}
.rail-body{padding-top:14px}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:4px;background:var(--mist);color:var(--ink);
}
.tag-accent{background:rgba(210,84,43,.1);color:var(--persimmon)}
.rail-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);margin-top:10px}
.rail-desc{font-size:14.5px;line-height:1.75;color:var(--muted);margin-top:8px}
.rail-step{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--muted)}
.rail-step .dot{width:5px;height:5px;border-radius:50%;background:var(--sage)}

/* ---------- 交错图文 ---------- */
.split-row{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center;
  padding:32px 0;border-top:1px solid var(--line);
}
.split-row:first-of-type{border-top:0;padding-top:0}
.split-row.rev{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.split-row.rev .split-media{order:-1}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line)}
.split-body .h3{margin-bottom:12px}
.split-body .body-text{font-size:16px;color:var(--muted)}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.7;color:var(--ink)}
.check-list li::before{
  content:"";position:absolute;left:2px;top:.72em;width:9px;height:2px;background:var(--persimmon);border-radius:2px;
}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--persimmon);margin-top:18px}
.textlink .arrow{font-family:var(--font-num);transition:transform .16s var(--ease)}
.textlink:hover .arrow{transform:translateX(3px)}

/* ---------- 2×2 要点格 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.point-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.point-icon{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--mist);margin-bottom:16px}
.point-icon svg{width:20px;height:20px;stroke:var(--sage);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.point-card h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);position:relative;display:inline-block;padding-bottom:6px}
.point-card h3::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--persimmon);transition:width .24s var(--ease)}
.point-card:hover h3::after{width:100%}
.point-card p{font-size:15px;line-height:1.75;color:var(--muted);margin-top:8px}

/* ---------- 到访准备 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;border-top:1px solid var(--line);padding-top:32px}
.prep-item{border-left:1px solid var(--line);padding-left:20px}
.prep-item:first-child{border-left:0;padding-left:0}
.prep-num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--persimmon);letter-spacing:.02em}
.prep-item h3{font-size:16px;font-weight:600;color:var(--ink);margin-top:8px}
.prep-item p{font-size:14.5px;line-height:1.7;color:var(--muted);margin-top:6px}

/* ---------- 对照提示条 ---------- */
.note-card{
  background:var(--mist);border-left:3px solid var(--forest);border-radius:var(--radius-card);
  padding:32px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center;
}
.note-card .h3{margin-bottom:10px}
.note-card p{font-size:15px;line-height:1.8;color:var(--muted)}
.note-links{display:flex;flex-direction:column}
.note-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;border-top:1px solid var(--line);
  font-size:15px;font-weight:500;color:var(--ink);
  transition:color .16s var(--ease);
}
.note-links a:first-child{border-top:0}
.note-links a:hover{color:var(--persimmon)}
.note-links a .arrow{font-family:var(--font-num);color:var(--sage);font-size:14px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--forest);color:var(--sand);padding-top:72px;padding-bottom:72px}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-band .h2{color:var(--sand);max-width:520px}
.cta-band .lead{color:rgba(247,244,239,.75);margin-top:12px;max-width:480px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.cta-band .textlink{color:var(--sand);margin-top:0}
.cta-band .textlink .arrow{color:var(--sage)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--forest);color:var(--sand);padding-top:72px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(247,244,239,.16)}
.site-footer .logo-text strong{color:var(--sand)}
.site-footer .logo-text span{color:rgba(247,244,239,.72)}
.site-footer .logo-mark{background:var(--sage)}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(247,244,239,.72);margin-top:16px;max-width:320px}
.footer-links-2{display:flex;gap:20px;margin-top:18px}
.footer-links-2 a{font-size:14px;color:var(--sand);position:relative;padding-bottom:2px}
.footer-links-2 a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--sage);transition:width .22s var(--ease)}
.footer-links-2 a:hover::after{width:100%}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(247,244,239,.62);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.5px;color:rgba(247,244,239,.86);position:relative;display:inline-block;padding-bottom:2px}
.footer-col ul li a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--sage);transition:width .22s var(--ease)}
.footer-col ul li a:hover::after{width:100%}
.footer-col ul li a:hover{color:var(--sand)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(247,244,239,.72)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding-top:22px;font-size:13px;color:rgba(247,244,239,.6)}
.footer-bottom .links{display:flex;gap:20px}
.footer-bottom .links a{color:rgba(247,244,239,.72)}
.footer-bottom .links a:hover{color:var(--sand)}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding-left:24px;padding-right:24px}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .header-textlink{display:none}
  .burger{display:flex}
  .header-actions{gap:12px}
  .section{padding-top:72px;padding-bottom:72px}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{display:none}
  .split-row,.split-row.rev{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .split-row.rev .split-media{order:0}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .prep-item:nth-child(3){border-left:0;padding-left:0}
  .note-card{grid-template-columns:1fr;gap:24px;padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding-top:56px;padding-bottom:56px}
}
@media (max-width:767px){
  .site-body{padding-top:64px}
  .header-inner{height:64px}
  .logo-text strong{font-size:17px}
  .logo-text span{font-size:12.5px}
  .header-cta{display:none}
  .h1{font-size:clamp(26px,7.2vw,34px)}
  .h2{font-size:clamp(22px,5.6vw,28px)}
  .section{padding-top:56px;padding-bottom:56px}
  .point-grid{grid-template-columns:1fr}
  .rail-card{flex:0 0 268px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding-left:20px;padding-right:20px}
  .prep-grid{grid-template-columns:1fr;row-gap:22px}
  .prep-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}
  .prep-item:first-child{border-top:0;padding-top:0}
  .rail-card{flex:0 0 240px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:opacity .01s linear}
  .rail-card,.point-card,.split-row img,.btn,.arrow,.chip{transition:none}
  .rail-card:hover{transform:none}
  .point-card:hover{transform:none}
  .rail-card:hover .rail-media img{transform:none}
}

/* roulang page: category3 */
:root{
    --ink:#131211;
    --forest:#0E2E2B;
    --persimmon:#D2542B;
    --sand:#F7F4EF;
    --mist:#EFEAE1;
    --line:#DED7CB;
    --muted:#5B554D;
    --sage:#8FA79B;
    --radius-card:10px;
    --radius-img:12px;
    --radius-btn:8px;
    --ease:cubic-bezier(.22,.61,.36,1);
    --shadow-hover:0 18px 40px -24px rgba(14,46,43,.28);
    --maxw:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
  a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--persimmon);
    outline-offset:3px;
    box-shadow:0 0 0 3px rgba(210,84,43,.18);
    border-radius:4px;
  }
  ::selection{background:rgba(210,84,43,.18);color:var(--ink);}

  h1,h2,h3,h4{
    font-family:"Noto Serif SC","Songti SC","STSong",serif;
    font-weight:700;
    color:var(--ink);
    line-height:1.25;
  }

  .container{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 24px;
  }
  .num{font-family:Inter,system-ui,sans-serif;font-feature-settings:"tnum";letter-spacing:-.01em;}

  /* ---------- Header ---------- */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:80;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background 200ms var(--ease),border-color 200ms var(--ease);
  }
  .site-header.scrolled{
    background:var(--sand);
    border-bottom-color:var(--line);
  }
  .header-inner{
    position:relative;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 24px;
    height:72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    transition:height 200ms var(--ease);
  }
  .site-header.scrolled .header-inner{height:60px;}

  .logo{display:inline-flex;align-items:center;gap:10px;}
  .logo-mark{
    width:8px;height:8px;
    background:var(--sage);
    border-radius:2px;
    display:inline-block;
    flex:none;
  }
  .logo-text{
    display:inline-flex;
    align-items:baseline;
    gap:2px;
    line-height:1;
  }
  .logo-text strong{
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:700;
    font-size:21px;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .logo-text span{
    font-size:15px;
    font-weight:500;
    color:var(--muted);
    margin-left:2px;
  }

  .nav-chips{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    display:flex;
    align-items:center;
    gap:6px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:34px;
    padding:0 14px;
    font-size:13px;
    font-weight:600;
    border-radius:999px;
    border:1px solid var(--line);
    color:var(--muted);
    background:transparent;
    white-space:nowrap;
    transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
  }
  .chip:hover{color:var(--ink);border-color:var(--sage);}
  .chip-active,.chip.is-active{
    background:var(--forest);
    border-color:var(--forest);
    color:#F7F4EF;
  }
  .chip-active:hover,.chip.is-active:hover{color:#F7F4EF;}

  .header-actions{display:flex;align-items:center;gap:18px;}
  .header-textlink{
    font-size:13px;
    font-weight:600;
    color:var(--muted);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:color 160ms var(--ease);
  }
  .header-textlink:hover{color:var(--persimmon);}
  .arrow{display:inline-block;transition:transform 160ms var(--ease);}
  .header-textlink:hover .arrow,
  .btn:hover .arrow,
  .textlink:hover .arrow{transform:translateX(3px);}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 28px;
    font-size:15px;
    font-weight:600;
    line-height:1;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease);
  }
  .btn-primary{background:var(--persimmon);color:#F7F4EF;}
  .btn-primary:hover{background:#B8451F;}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#F7F4EF;}
  .btn-light{background:var(--sand);color:var(--ink);}
  .btn-light:hover{background:#FFFFFF;}
  .btn-outline-light{border-color:rgba(247,244,239,.5);color:#F7F4EF;background:transparent;}
  .btn-outline-light:hover{border-color:#F7F4EF;background:rgba(247,244,239,.08);}
  .header-cta{padding:11px 20px;font-size:13px;}

  .burger{
    display:none;
    width:40px;height:40px;
    border-radius:8px;
    border:1px solid var(--line);
    position:relative;
    background:transparent;
    flex:none;
  }
  .burger span,
  .burger span::before,
  .burger span::after{
    position:absolute;
    left:50%;
    width:18px;height:2px;
    background:var(--ink);
    border-radius:2px;
    transform:translateX(-50%);
    transition:transform 200ms var(--ease),opacity 200ms var(--ease);
  }
  .burger span{top:50%;margin-top:-1px;}
  .burger span::before{content:"";top:-6px;left:0;transform:none;}
  .burger span::after{content:"";top:6px;left:0;transform:none;}
  body.nav-open .burger span{background:transparent;}
  body.nav-open .burger span::before{transform:translateY(6px) rotate(45deg);}
  body.nav-open .burger span::after{transform:translateY(-6px) rotate(-45deg);}

  .drawer-cta{display:none;}

  /* ---------- Page hero ---------- */
  .page-hero{padding:calc(72px + 56px) 0 0;}
  .hero-grid{
    display:grid;
    grid-template-columns:1.45fr 1fr;
    gap:56px;
    align-items:center;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:16px;
  }
  .breadcrumb a{transition:color 160ms var(--ease);}
  .breadcrumb a:hover{color:var(--persimmon);}
  .breadcrumb .sep{color:var(--sage);}
  .breadcrumb .current{color:var(--ink);}

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--persimmon);
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:18px;height:2px;
    background:var(--persimmon);
    display:inline-block;
  }

  .page-hero h1{
    font-size:clamp(30px,4.4vw,48px);
    font-weight:900;
    line-height:1.15;
    letter-spacing:-.01em;
    margin-bottom:16px;
  }
  .lead{
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
    max-width:620px;
  }
  .segmented{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:28px;
  }
  .hero-media{
    border-radius:var(--radius-img);
    border:1px solid var(--line);
    overflow:hidden;
    aspect-ratio:4/3;
    background:var(--mist);
    position:relative;
  }
  .hero-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform 420ms var(--ease);
  }
  .hero-media::after{
    content:"";
    position:absolute;inset:0;
    background:rgba(14,46,43,.08);
    pointer-events:none;
  }
  .hero-media:hover img{transform:scale(1.03);}

  .glance{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    margin-top:56px;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .glance-item{
    padding:24px 0 24px 28px;
    border-left:1px solid var(--line);
  }
  .glance-item:first-child{border-left:0;padding-left:0;}
  .glance-num{
    font-family:Inter,system-ui,sans-serif;
    font-weight:700;
    font-size:30px;
    line-height:1.1;
    color:var(--forest);
    letter-spacing:-.01em;
    display:block;
  }
  .glance-label{
    display:block;
    margin-top:6px;
    font-size:13px;
    color:var(--muted);
    letter-spacing:.02em;
  }

  /* ---------- Sections ---------- */
  .section{padding:72px 0 0;}
  .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(26px,3.2vw,34px);
    letter-spacing:-.01em;
  }
  .section-head .sub{
    font-size:15px;
    color:var(--muted);
    max-width:420px;
  }
  .rule{height:1px;background:var(--line);border:0;margin:0;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-of-type{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:20px 0;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    transition:color 160ms var(--ease);
  }
  .faq-q:hover{color:var(--persimmon);}
  .faq-index{
    font-family:Inter,system-ui,sans-serif;
    font-size:13px;
    font-weight:700;
    color:var(--persimmon);
    margin-right:12px;
    letter-spacing:.02em;
  }
  .faq-icon{
    flex:none;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    line-height:1;
    color:var(--sage);
    transition:transform 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
  }
  .faq-item.open .faq-icon{
    transform:rotate(45deg);
    color:var(--persimmon);
    border-color:rgba(210,84,43,.4);
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height 240ms var(--ease);
  }
  .faq-a p{
    padding:0 40px 20px 0;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
    max-width:700px;
  }

  /* ---------- Compare table ---------- */
  .table-card{
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    background:#fff;
  }
  .table-scroll{overflow-x:auto;}
  .compare-table{
    width:100%;
    min-width:640px;
    border-collapse:collapse;
    font-size:14px;
  }
  .compare-table th{
    background:var(--mist);
    text-align:left;
    font-weight:600;
    font-size:13px;
    letter-spacing:.04em;
    color:var(--ink);
    padding:14px 20px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .compare-table td{
    padding:14px 20px;
    border-bottom:1px solid var(--line);
    color:var(--muted);
    line-height:1.7;
  }
  .compare-table tbody tr:last-child td{border-bottom:0;}
  .compare-table td:first-child{
    color:var(--ink);
    font-weight:600;
    width:26%;
  }
  .compare-table td .mark{
    display:inline-block;
    width:6px;height:6px;
    background:var(--sage);
    border-radius:50%;
    margin-right:8px;
    vertical-align:middle;
  }

  /* ---------- CTA band ---------- */
  .cta-band{
    margin-top:72px;
    background:var(--forest);
    color:#F7F4EF;
    padding:72px 0;
  }
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
  }
  .cta-band h2{
    color:#F7F4EF;
    font-size:clamp(26px,3.2vw,36px);
    margin-bottom:10px;
  }
  .cta-band p{
    font-size:15px;
    color:rgba(247,244,239,.75);
    max-width:520px;
  }
  .cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
  .textlink{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:#F7F4EF;
    transition:color 160ms var(--ease);
  }
  .textlink:hover{color:var(--sage);}

  /* ---------- Related ---------- */
  .related-list{
    margin-top:32px;
    border-top:1px solid var(--line);
  }
  .related-list a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 0;
    border-bottom:1px solid var(--line);
    transition:color 160ms var(--ease),padding-left 240ms var(--ease);
  }
  .related-list a:hover{color:var(--persimmon);padding-left:6px;}
  .related-title{
    display:flex;
    align-items:baseline;
    gap:16px;
    font-size:16px;
    font-weight:600;
  }
  .related-title .idx{
    font-family:Inter,system-ui,sans-serif;
    font-size:14px;
    font-weight:700;
    color:var(--persimmon);
    letter-spacing:.02em;
  }
  .related-desc{font-size:13px;color:var(--muted);margin-top:4px;}
  .related-list .go{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--forest);
    color:#F7F4EF;
    margin-top:96px;
    padding:72px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.3fr;
    gap:48px;
    padding-bottom:56px;
  }
  .site-footer .logo-text strong{color:#F7F4EF;}
  .site-footer .logo-text span{color:rgba(247,244,239,.7);}
  .footer-brand p{
    margin-top:20px;
    font-size:14px;
    line-height:1.8;
    color:rgba(247,244,239,.72);
    max-width:320px;
  }
  .footer-links-2{
    display:flex;
    gap:22px;
    margin-top:20px;
  }
  .footer-links-2 a,
  .footer-col a{
    position:relative;
    display:inline-block;
    font-size:14px;
    color:rgba(247,244,239,.78);
    transition:color 160ms var(--ease);
  }
  .footer-links-2 a::after,
  .footer-col a::after,
  .footer-bottom a::after{
    content:"";
    position:absolute;
    left:0;bottom:-2px;
    width:0;height:1px;
    background:var(--sage);
    transition:width 240ms var(--ease);
  }
  .footer-links-2 a:hover,
  .footer-col a:hover{color:#F7F4EF;}
  .footer-links-2 a:hover::after,
  .footer-col a:hover::after,
  .footer-bottom a:hover::after{width:100%;}
  .footer-col h4{
    font-family:"Noto Sans SC",system-ui,sans-serif;
    font-size:13px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--sage);
    margin-bottom:18px;
  }
  .footer-col ul li{margin-bottom:12px;}
  .footer-col p{
    font-size:14px;
    line-height:1.9;
    color:rgba(247,244,239,.72);
    max-width:280px;
  }
  .footer-bottom{
    border-top:1px solid rgba(247,244,239,.16);
    padding:22px 0 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:rgba(247,244,239,.6);
  }
  .footer-bottom .links{display:flex;gap:24px;}
  .footer-bottom a{position:relative;display:inline-block;color:rgba(247,244,239,.72);transition:color 160ms var(--ease);}
  .footer-bottom a:hover{color:#F7F4EF;}

  /* ---------- Reveal ---------- */
  .js .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity 420ms var(--ease),transform 420ms var(--ease);
  }
  .js .reveal.in{opacity:1;transform:none;}

  /* ---------- Responsive ---------- */
  @media (max-width:1279px){
    .hero-grid{gap:40px;}
  }
  @media (max-width:1023px){
    .header-inner{height:64px;}
    .site-header.scrolled .header-inner{height:58px;}
    .burger{display:inline-flex;align-items:center;justify-content:center;}
    .header-actions .header-cta,
    .header-actions .header-textlink{display:none;}
    .nav-chips{
      position:fixed;
      top:0;left:0;right:0;bottom:0;
      transform:translateY(-100%);
      background:var(--sand);
      display:flex;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:88px 20px 32px;
      z-index:70;
      overflow-y:auto;
      transition:transform 300ms var(--ease);
      height:100vh;
    }
    body.nav-open .nav-chips{transform:translateY(0);}
    .nav-chips .chip{
      height:52px;
      width:100%;
      justify-content:flex-start;
      padding:0 6px;
      border-radius:0;
      border:0;
      border-bottom:1px solid var(--line);
      font-size:15px;
      color:var(--ink);
      background:transparent;
    }
    .nav-chips .chip.is-active,
    .nav-chips .chip.chip-active{background:transparent;color:var(--persimmon);border-bottom-color:var(--line);}
    .nav-chips .chip:hover{color:var(--persimmon);}
    .drawer-cta{display:inline-flex;margin-top:24px;width:100%;}
    body.nav-open{overflow:hidden;}
    .hero-grid{grid-template-columns:1fr;}
    .hero-media{display:none;}
    .section{padding:56px 0 0;}
    .cta-band{margin-top:56px;padding:56px 0;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .header-inner{padding:0 20px;}
    .page-hero{padding-top:calc(64px + 36px);}
    .glance{grid-template-columns:1fr;margin-top:40px;}
    .glance-item{
      padding:18px 0;
      border-left:0;
      border-top:1px solid var(--line);
    }
    .glance-item:first-child{border-top:0;padding-top:0;}
    .glance-item:last-child{padding-bottom:0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .related-title{flex-direction:column;gap:4px;}
  }
  @media (max-width:520px){
    body{font-size:15px;}
    .logo-text strong{font-size:19px;}
    .logo-text span{font-size:13px;}
    .faq-a p{padding-right:0;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .btn{width:100%;}
    .header-actions{gap:10px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
    }
    .js .reveal{transform:none;transition:opacity 200ms linear;}
    .hero-media:hover img{transform:none;}
  }