/* roulang page: index */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --accent-ink:#8A3F23;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --radius-input:10px;
  --shadow-1:0 1px 0 var(--line), 0 8px 24px rgba(20,32,28,.06);
  --shadow-2:0 1px 0 var(--line), 0 10px 28px rgba(20,32,28,.10);
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Inter,system-ui,"Helvetica Neue",Arial,sans-serif;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--ink);margin:0;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface-alt);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-soft);
  color:var(--accent-ink);
  font-size:13px;
  line-height:1;
  padding:8px 14px;
  border-radius:999px;
  letter-spacing:.02em;
}
.section-num{
  font-family:var(--font-num);
  font-size:28px;
  line-height:1;
  color:var(--mist);
  letter-spacing:.08em;
  display:block;
  margin-bottom:14px;
}
.sec-head-title{
  display:flex;
  align-items:baseline;
  gap:14px;
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.sec-head-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.42em;
  width:3px;
  height:20px;
  background:var(--accent);
  border-radius:2px;
}
.sec-head-title h2{font-size:34px;line-height:1.3;}
.sec-sub{color:var(--muted);font-size:16px;max-width:40em;margin:0;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  min-height:48px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  line-height:1.2;
  cursor:pointer;
  border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--brand);color:#F7F4EE;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);color:#F7F4EE;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(30,75,64,.06);color:var(--brand);}
.btn-ghost:active{transform:translateY(0);}
.link-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.link-cta span{transition:transform .2s ease-out;}
.link-cta:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.link-cta:hover span{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.logo-mark{
  width:30px;
  height:30px;
  border-radius:8px;
  background:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text .t1{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.logo-text .t2{font-size:11px;color:var(--muted);letter-spacing:.06em;margin-top:1px;}
.nav-wrap{display:flex;align-items:center;gap:28px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:2px;right:2px;bottom:-2px;
  height:2px;
  background:var(--accent);
  opacity:0;
  transition:opacity .16s ease-out;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{opacity:.5;}
.nav-links a.is-active{color:var(--ink);}
.nav-links a.is-active::after{opacity:1;}
.nav-cta{white-space:nowrap;padding:12px 20px;min-height:44px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:20px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-panel{
  position:fixed;
  inset:0;
  z-index:90;
  background:var(--bg);
  padding:20px 24px 32px;
  display:none;
  flex-direction:column;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.mobile-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  font-size:20px;
  line-height:1;
  color:var(--ink);
  cursor:pointer;
}
.mobile-links{display:flex;flex-direction:column;margin-top:8px;}
.mobile-links a{
  display:flex;align-items:center;
  min-height:56px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-links a:hover,.mobile-links a.is-active{color:var(--brand);}
.mobile-panel .btn{margin-top:24px;width:100%;}

/* ---------- hero ---------- */
.hero{padding:72px 0 84px;position:relative;overflow:hidden;}
.hero::after{
  content:"";
  position:absolute;
  top:-90px;right:-140px;
  width:420px;height:420px;
  border:1px solid var(--mist);
  border-radius:50%;
  opacity:.14;
  pointer-events:none;
}
.hero h1{
  font-size:48px;
  line-height:1.22;
  margin:20px 0 18px;
  max-width:14em;
}
.hero-sub{
  font-size:18px;
  line-height:1.9;
  color:var(--muted);
  max-width:34em;
  margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:20px;
  max-width:38em;
}
.hero-points li{
  font-size:14px;
  color:var(--muted);
  padding:0 18px;
  border-left:1px solid var(--line);
}
.hero-points li:first-child{border-left:0;padding-left:0;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.hero-figure .floating-badge{
  position:absolute;
  right:16px;bottom:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 16px;
  font-size:13px;
  color:var(--ink);
  box-shadow:var(--shadow-1);
}

/* ---------- promise bar ---------- */
.promise-bar{background:var(--surface-alt);padding:36px 0;}
.promise-bar h2{font-size:22px;line-height:1.4;}
.promise-list{display:flex;flex-wrap:wrap;gap:0;}
.promise-list li{
  font-size:17px;
  color:var(--ink);
  padding:2px 22px;
  border-left:1px solid rgba(20,32,28,.16);
}
.promise-list li:first-child{border-left:0;padding-left:0;}

/* ---------- story ---------- */
.story-figure img{
  width:100%;
  aspect-ratio:6/5;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.story-text h2{font-size:34px;line-height:1.3;margin-bottom:18px;}
.story-text p{max-width:40em;color:#2B3A34;}
.story-rule{
  display:block;
  width:72px;height:1px;
  background:var(--mist);
  margin:26px 0;
}

/* ---------- cards ---------- */
.pick-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  height:100%;
  display:flex;
  flex-direction:column;
}
.card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-index{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--mist);
  margin-bottom:14px;
}
.card h3{font-size:20px;line-height:1.45;margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .card-foot{margin-top:auto;}
.card-cover{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  margin-bottom:18px;
}

/* ---------- news / cms ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px;}
.filter-tabs a{
  font-size:14px;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 14px;
  background:var(--surface);
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.filter-tabs a:hover{color:var(--brand);border-color:rgba(30,75,64,.4);background:rgba(30,75,64,.04);}
.news-main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.news-main:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-main .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;}
.news-main .body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-main h3{font-size:22px;line-height:1.45;margin:12px 0 10px;}
.news-main p{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--muted);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.news-main .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.mini-card{
  display:flex;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.mini-card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mini-card img{
  width:96px;height:96px;
  object-fit:cover;
  border-radius:10px;
  flex-shrink:0;
}
.mini-card .mini-body{min-width:0;display:flex;flex-direction:column;}
.mini-card h4{font-size:17px;line-height:1.5;margin:8px 0 6px;font-family:var(--font-serif);font-weight:600;}
.mini-card p{font-size:14px;color:var(--muted);margin:0 0 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mini-card .news-meta{margin-top:auto;}
.badge{
  display:inline-block;
  background:var(--accent-soft);
  color:var(--accent-ink);
  font-size:13px;
  line-height:1;
  padding:6px 12px;
  border-radius:999px;
}
.news-empty{
  background:var(--surface-alt);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:56px 24px;
  text-align:center;
  color:var(--muted);
}
.news-empty p{font-size:16px;margin-bottom:20px;color:var(--muted);}

/* ---------- stats ---------- */
.stats-block{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0;}
.stat-item{padding:8px 0;}
.stat-item .stat-key{
  font-family:var(--font-num);
  font-size:34px;
  line-height:1.1;
  color:var(--brand);
  letter-spacing:.01em;
  display:block;
  margin-bottom:8px;
}
.stat-item .stat-label{font-size:13px;color:var(--muted);line-height:1.7;display:block;}

/* ---------- faq ---------- */
.faq-intro h2{font-size:34px;line-height:1.3;margin-bottom:14px;}
.faq-intro p{font-size:15px;color:var(--muted);max-width:24em;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  background:transparent;
  border:0;
  padding:20px 0;
  font-size:17px;
  font-family:var(--font-sans);
  color:var(--ink);
  cursor:pointer;
  line-height:1.6;
}
.faq-q .sign{
  font-size:20px;
  line-height:1;
  color:var(--brand);
  flex-shrink:0;
  transition:transform .18s ease-out;
}
.faq-q[aria-expanded="true"] .sign{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 0 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  max-width:44em;
}
.faq-a.is-open{display:block;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-deep);
  color:#F2EEE4;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(247,244,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,238,.06) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.cta-band h2{color:#F7F4EE;font-size:34px;line-height:1.3;margin-bottom:14px;}
.cta-band p{color:rgba(247,244,238,.76);font-size:15px;max-width:32em;margin:0;}
.subscribe-form{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 240px;
  height:48px;
  min-width:0;
  padding:0 16px;
  border-radius:var(--radius-input);
  border:1px solid rgba(247,244,238,.28);
  background:rgba(255,255,255,.06);
  color:#F7F4EE;
  font-size:15px;
  font-family:inherit;
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.55);}
.subscribe-form input:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:transparent;}
.subscribe-form .btn-primary{background:var(--accent);border-color:var(--accent);color:#FFF7F2;}
.subscribe-form .btn-primary:hover{background:#AD5231;border-color:#AD5231;color:#FFF7F2;}
.form-hint{font-size:13px;color:rgba(247,244,238,.6);margin:14px 0 0;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,244,238,.82);padding:72px 0 0;}
.footer-brand .logo-text .t1{color:#F7F4EE;}
.footer-brand .logo-text .t2{color:rgba(247,244,238,.6);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.68);margin:18px 0 0;max-width:30em;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;
  letter-spacing:.08em;
  color:rgba(247,244,238,.62);
  font-weight:500;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:2px;}
.footer-col a{font-size:14px;line-height:2.2;color:rgba(247,244,238,.86);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14px;line-height:2.2;color:rgba(247,244,238,.68);margin:0;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(247,244,238,.18);
  padding:24px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,244,238,.6);
}

@media (max-width:1024px){
  :root{--space-section:72px;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:38px;}
  .sec-head-title h2,.story-text h2,.faq-intro h2,.cta-band h2{font-size:28px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero-figure{margin-top:36px;}
  .story-figure{margin-bottom:32px;}
}
@media (max-width:640px){
  :root{--space-section:56px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;line-height:1.8;}
  .hero{padding:40px 0 52px;}
  .hero h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:10px;}
  .hero-points li{border-left:0;padding:0;}
  .sec-head-title h2,.story-text h2,.faq-intro h2,.cta-band h2{font-size:24px;}
  .promise-list{flex-direction:column;gap:12px;}
  .promise-list li{border-left:0;padding:0;font-size:16px;}
  .news-head,.pick-row{flex-direction:column;align-items:flex-start;}
  .mini-card{flex-direction:column;}
  .mini-card img{width:100%;height:auto;aspect-ratio:16/9;}
  .mini-card p{white-space:normal;}
  .subscribe-form{flex-direction:column;align-items:stretch;}
  .subscribe-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
  .stat-item .stat-key{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.mini-card:hover,.news-main:hover,.btn-primary:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --accent-ink:#8A3F23;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 0 var(--line),0 8px 24px rgba(20,32,28,.06);
  --shadow-2:0 1px 0 var(--line),0 14px 32px rgba(20,32,28,.10);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  --num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.01em;color:var(--ink)}
p{margin:0 0 1em}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

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

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text .t1{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--brand);letter-spacing:.02em}
.logo-text .t2{font-size:11px;color:var(--muted);letter-spacing:.06em}

.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);padding:8px 0;
  transition:color .16s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:2px;right:2px;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;
  transition:transform .16s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink);font-weight:600}

.nav-cta{flex:0 0 auto;margin-left:4px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;
  gap:5px;cursor:pointer;margin-left:auto;padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;line-height:1;font-weight:500;
  padding:14px 26px;min-height:44px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#F7F4EE}
.btn-primary:hover{background:var(--brand-deep);color:#F7F4EE;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,51,44,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(30,75,64,.07);color:var(--brand-deep)}
.btn-ghost:active{transform:translateY(1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand);font-weight:500}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover span{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

.badge{
  display:inline-block;background:var(--accent-soft);color:var(--accent-ink);
  font-size:13px;line-height:1.5;padding:6px 12px;border-radius:999px;
  font-family:var(--sans);letter-spacing:.02em;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb .crumb-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);line-height:1.6;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章标题区 ---------- */
.article-head{padding:22px 0 0}
.article-head .badge{margin-bottom:16px}
.article-head h1{
  font-size:38px;line-height:1.32;max-width:22em;margin-bottom:20px;
}
.meta-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);font-family:var(--sans);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.head-rule{height:1px;background:var(--line);margin-top:26px}

/* ---------- 正文布局 ---------- */
.article-main{padding:36px 0 0}
.article-layout{align-items:flex-start}
.article-content{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:36px 38px 30px;
  font-size:16.5px;line-height:1.9;
  box-shadow:var(--shadow-1);
  overflow-wrap:break-word;word-break:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content p{max-width:40em;margin:0 0 1.4em;color:var(--ink)}
.article-content h2{
  position:relative;font-size:26px;line-height:1.4;
  margin:2em 0 .8em;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.42em;width:3px;height:20px;
  background:var(--accent);border-radius:2px;
}
.article-content h3{font-size:20px;line-height:1.5;margin:1.7em 0 .6em}
.article-content h4{font-size:17px;line-height:1.5;margin:1.4em 0 .5em}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:22px;color:var(--ink)}
.article-content ul{list-style:none;padding-left:20px}
.article-content ul > li{position:relative;margin-bottom:.55em;line-height:1.85}
.article-content ul > li::before{
  content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;
  background:var(--mist);border-radius:1px;
}
.article-content ol{list-style:decimal;padding-left:24px}
.article-content ol > li{margin-bottom:.55em;line-height:1.85;padding-left:4px}
.article-content ol > li::marker{color:var(--brand);font-family:var(--num);font-weight:600}
.article-content a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.article-content img{border-radius:10px;margin:1.6em 0 .8em;width:100%;object-fit:cover}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--surface-alt);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-content th,.article-content td{
  border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;
}
.article-content th{background:var(--surface-alt);font-weight:600;font-size:14px;color:var(--brand-deep)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-content code{
  font-family:var(--num);font-size:14px;background:var(--surface-alt);
  padding:2px 6px;border-radius:6px;color:var(--brand-deep);
}

/* 空状态 */
.article-empty{text-align:center;padding:56px 20px}
.article-empty h2{font-size:26px;margin-bottom:14px;padding-left:0}
.article-empty h2::before{display:none}
.article-empty p{max-width:34em;margin:0 auto 24px;color:var(--muted);font-size:15px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 18px;box-shadow:var(--shadow-1);
}
.side-title{
  font-size:16px;font-family:var(--serif);font-weight:600;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;display:inline-block}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-list li{
  font-size:14px;color:var(--muted);line-height:1.7;padding-left:18px;position:relative;
}
.side-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;
  background:var(--mist);border-radius:1px;
}
.side-links{display:flex;flex-direction:column}
.side-links li + li{border-top:1px solid var(--line)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--brand);padding:11px 0;line-height:1.6;
}
.side-links a::after{content:"→";color:var(--mist);transition:transform .18s ease,color .18s ease}
.side-links a:hover{color:var(--accent)}
.side-links a:hover::after{transform:translateX(3px);color:var(--accent)}
.side-card--cta{background:var(--brand-deep);border-color:var(--brand-deep);color:#F7F4EE}
.side-card--cta p{font-size:14px;line-height:1.75;color:rgba(247,244,238,.78);margin-bottom:14px}
.side-card--cta .btn-primary{background:var(--accent);color:#fff;width:100%}
.side-card--cta .btn-primary:hover{background:#A9502D;color:#fff}
.side-card--cta .side-title{color:#F7F4EE}

/* ---------- 文末导航 ---------- */
.article-foot{
  margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.foot-nav{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.foot-nav span{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em;margin-bottom:6px}
.foot-nav strong{font-family:var(--serif);font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;display:block}
.foot-nav:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit}
.foot-actions{margin-top:20px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 延伸阅读 ---------- */
.related{padding:72px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:30px;line-height:1.35}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;max-width:44em}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);height:100%;display:flex;flex-direction:column;
  overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body .badge{align-self:flex-start}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0}
.card-body .link-arrow{margin-top:auto;padding-top:6px;font-size:14px}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:80px;background:var(--brand-deep);color:#F7F4EE;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(159,182,174,.22);
}
.cta-band::after{
  content:"";position:absolute;right:40px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(159,182,174,.14);
}
.cta-inner{
  position:relative;z-index:1;padding:56px 0;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-inner h2{color:#F7F4EE;font-size:30px;line-height:1.4;margin-bottom:12px}
.cta-inner p{color:rgba(247,244,238,.78);font-size:15px;line-height:1.8;margin:0;max-width:34em}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 200px;min-width:0;height:48px;padding:0 16px;
  border:1px solid rgba(247,244,238,.28);border-radius:10px;
  background:rgba(247,244,238,.08);color:#F7F4EE;font-size:15px;font-family:var(--sans);
  transition:border-color .18s ease,background-color .18s ease;
}
.cta-form input::placeholder{color:rgba(247,244,238,.55)}
.cta-form input:focus{outline:none;border-color:var(--accent);background:rgba(247,244,238,.12)}
.cta-form .btn{background:var(--accent);color:#fff;flex:0 0 auto}
.cta-form .btn:hover{background:#A9502D;color:#fff}
.cta-note{font-size:13px;color:rgba(247,244,238,.58);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#F7F4EE;padding:64px 0 0;margin-top:0}
.site-footer .logo-text .t1{color:#F7F4EE}
.site-footer .logo-text .t2{color:rgba(247,244,238,.62)}
.site-footer .logo-mark{background:rgba(247,244,238,.14)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,244,238,.7);margin-top:18px;max-width:32em}
.footer-col h4{
  font-size:14px;letter-spacing:.08em;color:#F7F4EE;margin-bottom:16px;
  font-family:var(--sans);font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li{list-style:none}
.footer-col a{font-size:14px;line-height:2.2;color:rgba(247,244,238,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);margin:0}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(247,244,238,.18);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{
    position:fixed;inset:0;z-index:90;background:var(--bg);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:88px 24px 32px;margin:0;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-links a{font-size:18px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line);padding:0}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand);font-weight:600}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .article-head h1{font-size:32px}
  .article-content{padding:30px 28px 24px}
  .sidebar{position:static;margin-top:24px}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:48px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-head h1{font-size:28px}
  .article-content{font-size:16px;padding:26px 22px 20px}
  .article-content h2{font-size:22px}
  .article-content h3{font-size:18px}
  .article-foot{grid-template-columns:1fr}
  .related{padding:56px 0 0}
  .section-head h2{font-size:24px}
  .cta-inner h2{font-size:24px}
  .site-footer{padding:48px 0 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .header-inner{min-height:64px;gap:12px}
  .logo-text .t1{font-size:19px}
  .logo-text .t2{font-size:10px}
  .article-head h1{font-size:24px;line-height:1.4}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .meta-row{font-size:12.5px;gap:10px}
  .article-content{padding:22px 18px 18px;font-size:15.5px;line-height:1.85}
  .article-content h2{padding-left:13px}
  .article-content h2::before{height:17px}
  .side-card{padding:18px}
  .btn{width:100%;padding:14px 20px}
  .foot-actions .btn{width:100%}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --accent-ink:#8A3F23;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --radius-input:10px;
  --shadow:0 1px 0 var(--line), 0 8px 24px rgba(20,32,28,.06);
  --shadow-hover:0 1px 0 var(--line), 0 10px 28px rgba(20,32,28,.10);
  --header-h:72px;
  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
figure{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:84px 0}
.section-tight{padding:56px 0}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x > .cell{padding-left:12px;padding-right:12px}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,32,28,.03)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--header-h);
}
.logo{display:inline-flex;align-items:center;gap:11px;flex:none}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);
  display:grid;place-items:center;flex:none;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text .t1{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--ink)}
.logo-text .t2{font-size:11px;letter-spacing:.06em;color:var(--muted);margin-top:2px}
.nav-links{
  display:flex;align-items:center;gap:26px;margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:8px 2px;
  white-space:nowrap;
  transition:color .16s ease-out;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:2px;right:2px;bottom:0;
  height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .16s ease-out;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  cursor:pointer;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  transition:border-color .18s ease-out;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ============ Buttons / Badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  font-family:var(--font-sans);
  cursor:pointer;
  transition:background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand);color:#F7F4EE}
.btn-primary:hover{background:#173C33;color:#F7F4EE;transform:translateY(-1px);box-shadow:0 8px 20px rgba(18,51,44,.18)}
.btn-primary:active{transform:none}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:rgba(30,75,64,.06);color:var(--brand)}
.btn-secondary:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--accent-ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;line-height:1.5;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);display:block}
.section-num{
  display:block;
  font-family:var(--font-num);
  font-size:28px;font-weight:600;
  color:var(--mist);
  letter-spacing:.04em;
  line-height:1;
  margin-bottom:14px;
}
.section-head{margin-bottom:34px}
.section-head h2{
  font-size:34px;line-height:1.28;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.42em;
  width:3px;height:20px;background:var(--accent);border-radius:2px;
}
.section-head .sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:42em}

/* ============ Breadcrumb ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:15em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Page Hero ============ */
.page-hero{
  position:relative;
  padding:44px 0 72px;
  background:
    linear-gradient(180deg,rgba(239,234,224,.85) 0%,rgba(247,244,238,0) 100%);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;right:-60px;top:-40px;
  width:320px;height:320px;
  border:1px solid var(--mist);
  border-radius:50%;
  opacity:.14;
  pointer-events:none;
}
.page-hero h1{
  font-size:44px;line-height:1.24;margin:20px 0 18px;
}
.page-hero .lead{
  font-size:18px;line-height:1.9;color:var(--muted);max-width:34em;margin:0;
}
.hero-points{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  list-style:none;margin:30px 0 0;padding:0;
  font-size:14px;color:var(--muted);
}
.hero-points li{padding:0 18px;position:relative}
.hero-points li:first-child{padding-left:0}
.hero-points li + li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:14px;background:var(--line);
}
.hero-points li strong{color:var(--ink);font-family:var(--font-num);font-weight:600;margin-right:6px}
.hero-figure{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;right:14px;bottom:14px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  font-size:13px;color:var(--brand);font-weight:600;
}

/* ============ Timeline ============ */
.timeline{list-style:none;margin:34px 0 0;padding:0;position:relative}
.timeline li{position:relative;padding:0 0 34px 64px}
.timeline li::before{
  content:"";position:absolute;left:19px;top:40px;bottom:0;width:1px;background:var(--line);
}
.timeline li:last-child{padding-bottom:0}
.timeline li:last-child::before{display:none}
.timeline .step-no{
  position:absolute;left:0;top:0;
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:14px;font-weight:600;
  color:var(--brand);
}
.timeline h3{font-size:19px;margin:6px 0 10px;line-height:1.45}
.timeline p{color:var(--muted);font-size:15px;line-height:1.9;max-width:40em;margin:0}
.path-line{
  display:inline-block;
  margin-top:12px;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--brand);
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:6px;
  padding:6px 12px;
}
.article-body p{max-width:40em;color:var(--muted)}
.article-body p:first-child{color:var(--ink)}

/* ============ Sidebar ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--header-h) + 24px)}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;font-family:var(--font-sans);font-weight:700;letter-spacing:.06em;color:var(--muted);margin-bottom:16px}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li + li{border-top:1px solid var(--line)}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink);
}
.toc-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mist);flex:none;transition:background-color .18s ease-out}
.toc-list a:hover{color:var(--brand)}
.toc-list a:hover::before{background:var(--accent)}
.rel-list{list-style:none;margin:0;padding:0}
.rel-list li + li{margin-top:12px}
.rel-list a{
  display:block;font-size:14.5px;color:var(--ink);
  padding:10px 12px;border-radius:8px;
  border:1px solid transparent;
  transition:border-color .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.rel-list a:hover{border-color:rgba(30,75,64,.28);background:rgba(30,75,64,.04);color:var(--brand)}
.side-note{font-size:13px;color:var(--muted);line-height:1.85;margin-top:14px}

/* ============ Scenario Cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:0 0 24px;
  overflow:hidden;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.info-card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.info-card .thumb{height:140px;overflow:hidden}
.info-card .thumb img{width:100%;height:100%;object-fit:cover}
.info-card .body{padding:22px 24px 0}
.info-card .tag{
  display:inline-block;font-size:13px;
  background:var(--accent-soft);color:var(--accent-ink);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;font-weight:600;
}
.info-card h3{font-size:20px;line-height:1.45;margin-bottom:10px}
.info-card p{font-size:15px;line-height:1.85;color:var(--muted);margin:0}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.text-link .arrow{transition:transform .2s ease-out}
.text-link:hover .arrow{transform:translateX(3px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ============ Notice bar ============ */
.notice-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--accent-soft);
  border:1px solid #E4C6B6;
  border-radius:var(--radius-card);
  padding:18px 22px;
  margin-bottom:34px;
}
.notice-bar .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none}
.notice-bar p{margin:0;font-size:14.5px;line-height:1.85;color:#6E3620}
.notice-bar strong{color:#5A2B18}

/* ============ Check list ============ */
.check-list{list-style:none;margin:0;padding:0}
.check-list li{
  position:relative;padding:16px 0 16px 30px;
  border-top:1px solid var(--line);
  font-size:15px;line-height:1.85;color:var(--muted);
}
.check-list li:first-child{border-top:0}
.check-list li::before{
  content:"";position:absolute;left:4px;top:26px;
  width:8px;height:8px;border-left:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(-45deg);
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:44px}
.faq-intro h2{font-size:32px;line-height:1.3;position:relative;padding-left:16px}
.faq-intro h2::before{content:"";position:absolute;left:0;top:.42em;width:3px;height:20px;background:var(--accent);border-radius:2px}
.faq-intro p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.9;max-width:22em}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
  font-family:var(--font-sans);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.faq-mark{
  position:relative;width:18px;height:18px;flex:none;margin-top:4px;
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-mark::before{width:14px;height:1.5px}
.faq-mark::after{width:1.5px;height:14px}
.faq-item[open] .faq-mark::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item p{
  margin:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:44em;
}

/* ============ CTA band ============ */
.cta-band{
  background:var(--brand-deep);
  color:#F7F4EE;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(247,244,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,238,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-band h2{color:#F7F4EE;font-size:30px;line-height:1.35}
.cta-band p{color:rgba(247,244,238,.75);font-size:15px;margin-top:14px;max-width:30em}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;min-width:0;height:48px;
  border-radius:var(--radius-input);
  border:1px solid rgba(247,244,238,.32);
  background:rgba(247,244,238,.08);
  color:#F7F4EE;
  padding:0 16px;font-size:15px;font-family:var(--font-sans);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:rgba(247,244,238,.55)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(196,98,60,.35)}
.cta-form .btn-primary{background:#F7F4EE;color:var(--brand-deep);flex:none}
.cta-form .btn-primary:hover{background:#FFFFFF;color:var(--brand-deep)}
.form-hint{font-size:13px;color:rgba(247,244,238,.55);margin-top:12px;line-height:1.7}

/* ============ Related strip ============ */
.related-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-alt);padding:26px 0}
.strip-inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.strip-label{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;margin-right:6px}
.strip-inner a{
  font-size:14px;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.strip-inner a:hover{border-color:var(--brand);color:var(--brand);background:#fff}

/* ============ Footer ============ */
.site-footer{
  background:var(--brand-deep);
  color:#F7F4EE;
  padding:72px 0 0;
}
.site-footer .logo-text .t1{color:#F7F4EE}
.site-footer .logo-text .t2{color:rgba(247,244,238,.68)}
.footer-brand p{
  margin-top:18px;font-size:14px;line-height:1.9;
  color:rgba(247,244,238,.72);max-width:32em;
}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;font-weight:700;letter-spacing:.08em;
  color:#F7F4EE;margin:0 0 16px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li a{font-size:14px;line-height:2.2;color:rgba(247,244,238,.72)}
.footer-col li a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.95;color:rgba(247,244,238,.72);margin:0;max-width:26em}
.footer-bottom{
  border-top:1px solid rgba(247,244,238,.18);
  margin-top:56px;padding:22px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(247,244,238,.6);
}

/* ============ Responsive ============ */
@media (max-width:1024px){
  :root{--header-h:64px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;
    left:0;right:0;top:var(--header-h);bottom:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:8px 24px 40px;
    background:var(--bg);
    border-top:1px solid var(--line);
    overflow-y:auto;
    z-index:79;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{
    font-size:18px;
    padding:18px 0;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand);font-weight:600}
  .section{padding:64px 0}
  .page-hero{padding:36px 0 56px}
  .page-hero h1{font-size:36px}
  .section-head h2{font-size:28px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .faq-intro p{max-width:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .side-col{position:static;margin-top:36px}
  .hero-figure{margin-top:30px}
  .footer-bottom{margin-top:40px}
  .site-footer{padding-top:56px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  body{font-size:15.5px;line-height:1.8}
  .page-hero h1{font-size:30px;line-height:1.3}
  .page-hero .lead{font-size:16px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:26px}
  .card-grid{grid-template-columns:1fr}
  .timeline li{padding-left:52px;padding-bottom:28px}
  .timeline li::before{left:16px;top:34px}
  .timeline .step-no{width:32px;height:32px;font-size:13px}
  .timeline h3{font-size:17px}
  .hero-points{flex-direction:column;align-items:flex-start;gap:10px}
  .hero-points li{padding:0}
  .hero-points li + li::before{display:none}
  .btn-row .btn{width:100%}
  .btn{width:100%}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:24px}
  .breadcrumb .current{max-width:10em}
  .faq-item summary{font-size:16px;padding:18px 0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .info-card:hover{transform:none}
  .btn-primary:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --accent-ink:#8A3F23;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --shadow-1:0 1px 0 var(--line),0 8px 24px rgba(20,32,28,.06);
  --shadow-2:0 1px 0 var(--line),0 10px 28px rgba(20,32,28,.10);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,background-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  background:rgba(247,244,238,.98);
  box-shadow:0 6px 18px rgba(20,32,28,.05);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:var(--brand);display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text .t1{font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.logo-text .t2{font-size:11px;color:var(--muted);letter-spacing:.06em;margin-top:2px;}

.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);
  padding:6px 2px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:2px;right:2px;bottom:0;height:2px;
  background:var(--accent);opacity:0;transform:scaleX(.6);
  transition:opacity .16s ease-out,transform .16s ease-out;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{opacity:1;transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1);}

.header-cta{display:inline-flex;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--surface);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-panel{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:none;flex-direction:column;padding:20px 20px 32px;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.panel-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--ink);font-size:22px;line-height:1;cursor:pointer;
}
.mobile-panel nav{display:flex;flex-direction:column;}
.mobile-panel nav a{
  font-size:18px;color:var(--ink);padding:16px 2px;
  border-bottom:1px solid var(--line);line-height:1.4;
}
.mobile-panel nav a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .btn{margin-top:22px;width:100%;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--brand);color:#F7F4EE;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#F7F4EE;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,51,44,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-secondary:hover{background:rgba(30,75,64,.06);color:var(--brand-deep);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(30,75,64,.35);color:var(--brand);}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow .ar{transition:transform .18s ease-out;}
.link-arrow:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover .ar{transform:translateX(3px);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-size:13px;color:var(--muted);padding:22px 0 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Hero-lite ---------- */
.hero-lite{padding:20px 0 8px;}
.hero-lite-grid{display:flex;flex-wrap:wrap;gap:40px;align-items:center;}
.hero-lite-text{flex:1 1 520px;min-width:280px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--accent-ink);
  font-size:13px;padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.hero-lite h1{
  font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;
  font-size:48px;line-height:1.22;margin:18px 0 14px;color:var(--ink);
}
.hero-lite h1 .divider{color:var(--mist);font-weight:400;margin:0 6px;}
.hero-lite .lede{
  font-size:18px;line-height:1.9;color:var(--muted);max-width:34em;margin:0 0 22px;
}
.hero-lite-figure{flex:0 1 440px;min-width:260px;}
.hero-lite-figure .frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);position:relative;aspect-ratio:16/10;background:var(--surface-alt);
}
.hero-lite-figure img{width:100%;height:100%;}
.hero-lite-figure .caption{
  position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:var(--ink);
  padding:6px 13px;letter-spacing:.02em;
}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:44em;margin-bottom:36px;}
.section-head h2{
  font-family:var(--font-serif);font-weight:700;font-size:34px;line-height:1.3;
  margin:0 0 12px;color:var(--ink);position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;background:var(--accent);border-radius:2px;
}
.section-head p{margin:0;color:var(--muted);font-size:16px;max-width:40em;}
.section-num{
  font-family:var(--font-num);font-size:28px;color:var(--mist);letter-spacing:.08em;
  display:block;margin-bottom:6px;
}

/* ---------- Notice bar ---------- */
.notice-bar{
  background:var(--accent-soft);
  border:1px solid rgba(196,98,60,.28);
  border-radius:var(--r-card);
  padding:18px 22px;
  display:flex;gap:14px;align-items:flex-start;
  color:#6E3A22;font-size:15px;line-height:1.8;
}
.notice-bar .nb-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:rgba(196,98,60,.16);color:var(--accent-ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;margin-top:2px;
}
.notice-bar strong{color:#5F301B;}

/* ---------- Key point cards (2x2, outline only) ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.point-card{
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:border-color .2s ease-out,background-color .2s ease-out,transform .2s ease-out;
}
.point-card:hover{border-color:rgba(30,75,64,.4);background:rgba(255,255,255,.55);transform:translateY(-2px);}
.point-card .pc-index{
  font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--accent-ink);
  display:inline-block;padding:3px 10px;border-radius:999px;background:var(--accent-soft);margin-bottom:14px;
}
.point-card h3{
  font-family:var(--font-serif);font-size:21px;font-weight:700;margin:0 0 10px;color:var(--ink);
}
.point-card p{margin:0;font-size:15px;line-height:1.85;color:var(--muted);max-width:36em;}
.point-card ul{margin:12px 0 0;padding:0;list-style:none;}
.point-card ul li{
  font-size:14px;color:var(--muted);padding-left:16px;position:relative;line-height:1.9;
}
.point-card ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:5px;height:5px;background:var(--mist);border-radius:1px;
}

/* ---------- Checklist steps ---------- */
.checklist{list-style:none;margin:0;padding:0;counter-reset:step;}
.checklist li{
  counter-increment:step;position:relative;
  padding:20px 0 20px 60px;border-top:1px solid var(--line);
}
.checklist li:last-child{border-bottom:1px solid var(--line);}
.checklist li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:20px;
  font-family:var(--font-num);font-size:14px;color:var(--brand);
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(30,75,64,.35);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);
}
.checklist h3{font-size:17px;margin:0 0 6px;font-weight:600;color:var(--ink);font-family:var(--font-sans);}
.checklist p{margin:0;font-size:15px;line-height:1.85;color:var(--muted);max-width:42em;}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start;}
.prose h2{
  font-family:var(--font-serif);font-size:26px;line-height:1.35;margin:0 0 14px;color:var(--ink);
  position:relative;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.4em;width:3px;height:16px;background:var(--accent);border-radius:2px;
}
.prose h2:not(:first-child){margin-top:40px;}
.prose p{margin:0 0 16px;font-size:16px;line-height:1.9;color:var(--ink);max-width:40em;}
.prose p.muted{color:var(--muted);}
.prose ul.plain{list-style:none;padding:0;margin:0 0 18px;}
.prose ul.plain li{
  position:relative;padding-left:18px;font-size:15.5px;line-height:1.9;color:var(--ink);margin-bottom:10px;
}
.prose ul.plain li::before{
  content:"";position:absolute;left:0;top:.82em;width:6px;height:6px;background:var(--brand);border-radius:1px;
}
.inline-tip{
  background:var(--surface-alt);border-left:3px solid var(--brand);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  padding:16px 20px;font-size:15px;color:var(--ink);line-height:1.85;margin:22px 0;
}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 18px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:14px;letter-spacing:.08em;color:var(--muted);font-weight:600;
  margin:0 0 14px;text-transform:none;
}
.toc{list-style:none;margin:0;padding:0;}
.toc li{border-top:1px solid var(--line);}
.toc li:first-child{border-top:none;}
.toc a{
  display:flex;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--ink);padding:11px 0;line-height:1.5;
}
.toc a:hover{color:var(--brand);}
.toc a span{color:var(--mist);font-family:var(--font-num);font-size:12px;}
.related-list{list-style:none;margin:0;padding:0;}
.related-list li{border-top:1px solid var(--line);}
.related-list li:first-child{border-top:none;}
.related-list a{
  display:block;padding:12px 0;font-size:14.5px;color:var(--ink);line-height:1.6;
}
.related-list a:hover{color:var(--brand);}
.related-list .rs{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-intro h2{
  font-family:var(--font-serif);font-size:30px;line-height:1.32;margin:0 0 12px;color:var(--ink);
  position:relative;padding-left:16px;
}
.faq-intro h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;background:var(--accent);border-radius:2px;
}
.faq-intro p{margin:0;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:20em;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .mark{
  margin-left:auto;flex:0 0 22px;width:22px;height:22px;position:relative;
  border-radius:50%;border:1px solid var(--line);background:var(--surface);
  transition:border-color .18s ease-out,background-color .18s ease-out;
}
.faq-item summary .mark::before,.faq-item summary .mark::after{
  content:"";position:absolute;background:var(--brand);border-radius:1px;
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-item summary .mark::before{left:5px;right:5px;top:10px;height:1.5px;}
.faq-item summary .mark::after{top:5px;bottom:5px;left:10px;width:1.5px;}
.faq-item[open] summary .mark::after{transform:scaleY(0);opacity:0;}
.faq-item[open] summary .mark{border-color:rgba(30,75,64,.4);background:rgba(30,75,64,.05);}
.faq-item .answer{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:44em;}
.faq-item .answer p{margin:0 0 10px;}
.faq-item .answer p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-deep);color:#F7F4EE;border-radius:0;
  padding:64px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(159,182,174,.18);
}
.cta-band::after{
  content:"";position:absolute;right:40px;top:40px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(159,182,174,.12);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.cta-inner h2{
  font-family:var(--font-serif);font-size:32px;line-height:1.3;margin:0 0 10px;color:#F7F4EE;
}
.cta-inner p{margin:0;color:rgba(247,244,238,.78);font-size:15.5px;max-width:34em;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-primary{background:var(--accent);border-color:var(--accent);color:#FFF7F2;}
.cta-band .btn-primary:hover{background:#B0542F;border-color:#B0542F;color:#FFF7F2;}
.cta-band .btn-secondary{border-color:rgba(247,244,238,.55);color:#F7F4EE;background:transparent;}
.cta-band .btn-secondary:hover{background:rgba(247,244,238,.12);color:#FFFFFF;}

/* ---------- Related categories ---------- */
.related-cats{padding:64px 0 72px;background:var(--surface-alt);}
.related-cats h2{
  font-family:var(--font-serif);font-size:26px;margin:0 0 24px;color:var(--ink);
  position:relative;padding-left:14px;
}
.related-cats h2::before{
  content:"";position:absolute;left:0;top:.36em;width:3px;height:18px;background:var(--accent);border-radius:2px;
}
.rc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rc-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.rc-card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rc-card .rc-num{font-family:var(--font-num);font-size:12px;letter-spacing:.14em;color:var(--mist);}
.rc-card h3{
  font-family:var(--font-serif);font-size:19px;margin:8px 0 8px;color:var(--ink);line-height:1.4;
}
.rc-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8;}
.rc-card .rc-go{margin-top:14px;font-size:13.5px;color:var(--brand);font-weight:600;display:inline-flex;gap:6px;align-items:center;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,244,238,.86);padding:64px 0 0;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo .t1{color:#F7F4EE;}
.footer-brand .logo .t2{color:rgba(247,244,238,.6);}
.footer-brand .logo-mark{background:rgba(247,244,238,.14);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.72);max-width:30em;margin:0;}
.footer-col h4{
  font-size:14px;letter-spacing:.08em;color:#F7F4EE;margin:0 0 14px;font-weight:600;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{line-height:2.2;}
.footer-col a{font-size:14px;color:rgba(247,244,238,.78);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);margin:0;max-width:24em;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,238,.18);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.6);
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-lite h1{font-size:38px;}
  .section{padding:72px 0;}
  .split{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar .side-card{flex:1 1 280px;}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .faq-intro p{max-width:36em;}
  .rc-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .hero-lite{padding:14px 0 4px;}
  .hero-lite h1{font-size:30px;line-height:1.28;}
  .hero-lite .lede{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .section-head h2,.faq-intro h2,.cta-inner h2,.related-cats h2{font-size:24px;}
  .point-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .prose h2{font-size:22px;}
  .checklist li{padding-left:52px;}
  .rc-grid{grid-template-columns:minmax(0,1fr);}
  .sidebar{flex-direction:column;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{font-size:12.5px;}
  .breadcrumb .current{max-width:14em;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .point-card:hover,.rc-card:hover,.btn-primary:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Inter",system-ui,-apple-system,sans-serif;
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --sd-1:0 1px 0 var(--line),0 8px 24px rgba(20,32,28,.06);
  --sd-2:0 1px 0 var(--line),0 14px 34px rgba(20,32,28,.10);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
section[id]{scroll-margin-top:96px}
::selection{background:var(--accent-soft);color:#8A3F23}

/* ---------- 基础容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-flow:row wrap}
.cell{min-width:0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text .t1{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.logo-text .t2{font-size:11px;color:var(--muted);letter-spacing:.06em;font-family:var(--sans)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);
  padding:6px 0;transition:color .16s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:2px;right:2px;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;opacity:0;transform:scaleX(.6);
  transition:opacity .16s ease-out,transform .16s ease-out;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{opacity:.55;transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink);font-weight:500}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-input);background:var(--surface);
  cursor:pointer;position:relative;z-index:95;padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;min-height:48px;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--brand);color:#F7F4EE}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);color:#F7F4EE}
.btn-primary:active{transform:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(30,75,64,.06);color:var(--brand)}
.btn-light{background:#F7F4EE;color:var(--brand-deep)}
.btn-light:hover{background:#FFFFFF;transform:translateY(-1px);color:var(--brand-deep)}
.btn-outline-light{background:transparent;color:#F7F4EE;border-color:rgba(247,244,238,.55)}
.btn-outline-light:hover{background:rgba(247,244,238,.10);color:#F7F4EE}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand);font-weight:500}
.link-arrow span{transition:transform .18s ease-out}
.link-arrow:hover span{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:#8A3F23;
  font-size:13px;line-height:1.5;padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);background:var(--surface);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:24px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--mist)}
.breadcrumb .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Hero-lite ---------- */
.page-hero{padding:8px 0 64px}
.page-hero h1{
  font-family:var(--serif);font-weight:600;letter-spacing:.01em;
  font-size:48px;line-height:1.22;margin:18px 0 18px;max-width:16em;
}
.page-hero .lede{font-size:18px;line-height:1.9;color:var(--muted);max-width:36em}
.hero-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sd-1);position:relative;margin-top:8px;background:var(--surface-alt);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4}
.hero-figure figcaption{
  position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);
  color:var(--ink);font-size:12.5px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);
}

/* ---------- 板块通用 ---------- */
.section{padding:0 0 var(--sp-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{
  position:relative;padding-left:14px;font-family:var(--serif);
  font-size:34px;font-weight:600;line-height:1.3;color:var(--ink);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:20px;
  background:var(--accent);border-radius:2px;
}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:40em}
.index-num{font-family:var(--mono);font-size:28px;line-height:1;color:var(--mist);font-variant-numeric:tabular-nums}

/* ---------- 主体分栏 ---------- */
.main-body{padding-bottom:32px}
.content-col{min-width:0}
.side-col{min-width:0}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 18px;box-shadow:var(--sd-1);
}
.side-card h3{font-family:var(--serif);font-size:17px;font-weight:600;margin-bottom:14px;letter-spacing:.01em}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:flex;gap:10px;align-items:baseline;font-size:14.5px;color:var(--muted);
  padding:7px 0;border-bottom:1px dashed rgba(221,213,198,.8);transition:color .16s ease-out;
}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--brand)}
.toc-list .n{font-family:var(--mono);font-size:12px;color:var(--mist);min-width:20px}
.side-links li + li{margin-top:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--ink);padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg);transition:border-color .18s ease-out,background-color .18s ease-out;
}
.side-links a:hover{border-color:rgba(30,75,64,.35);background:var(--surface)}
.side-links .arrow{color:var(--accent);font-family:var(--mono);font-size:14px}

/* ---------- 版本对照表 ---------- */
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);padding:32px;
}
.panel + .panel{margin-top:28px}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-img);border:1px solid var(--line)}
.version-table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;min-width:640px;background:var(--surface)}
.version-table thead th{
  background:var(--surface-alt);color:var(--brand-deep);
  font-family:var(--serif);font-weight:600;font-size:15px;letter-spacing:.02em;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.version-table tbody td{
  padding:16px 18px;border-bottom:1px solid rgba(221,213,198,.75);
  color:var(--ink);vertical-align:top;line-height:1.75;
}
.version-table tbody tr:last-child td{border-bottom:0}
.version-table tbody tr:hover td{background:rgba(239,234,224,.45)}
.version-table .vname{font-weight:600;color:var(--brand-deep);white-space:nowrap}
.version-table .vno{font-family:var(--mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;display:block;margin-top:2px}
.table-note{font-size:13px;line-height:1.9;color:var(--muted);margin-top:16px;padding-left:14px;position:relative}
.table-note::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--mist);
}
.note-list li + li{margin-top:8px}
.download-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:26px;padding:20px 22px;border:1px dashed rgba(30,75,64,.35);border-radius:var(--r-card);
  background:rgba(239,234,224,.5);
}
.download-row p{font-size:14.5px;color:var(--muted);max-width:34em}
.download-row strong{color:var(--ink);font-weight:600}

/* ---------- 核对顺序 ---------- */
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px 24px;position:relative;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.step-card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--sd-2)}
.step-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;background:var(--brand);color:#F7F4EE;
  font-family:var(--mono);font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-card h3{font-family:var(--serif);font-size:18px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.step-card .path{
  display:inline-block;margin-top:12px;font-family:var(--mono);font-size:12.5px;
  color:var(--brand-deep);background:var(--surface-alt);border-radius:6px;padding:4px 8px;
}

/* ---------- 兼容说明卡 ---------- */
.compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.compat-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--mist);
  border-radius:var(--r-card);padding:24px 22px;transition:border-left-color .2s ease-out,transform .2s ease-out;
}
.compat-card:hover{border-left-color:var(--accent);transform:translateY(-2px)}
.compat-card h3{font-family:var(--serif);font-size:19px;font-weight:600;margin-bottom:10px}
.compat-card p{font-size:15px;color:var(--muted);line-height:1.85}
.compat-card .tag{margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:12px 32px 20px;box-shadow:var(--sd-1)}
.faq-item{border-top:1px solid var(--line);padding:20px 0}
.faq-item:first-child{border-top:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--sans);font-weight:400;color:var(--accent);
  font-size:22px;line-height:1;flex:0 0 auto;transition:transform .18s ease-out;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .answer{font-size:15px;line-height:1.9;color:var(--muted);margin-top:12px;max-width:44em}

/* ---------- CTA 满宽 ---------- */
.cta-band{background:var(--brand-deep);color:#F7F4EE;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(247,244,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,238,.06) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;
  border:1px solid rgba(159,182,174,.22);border-radius:50%;pointer-events:none;
}
.cta-inner{position:relative;padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-family:var(--serif);font-size:34px;font-weight:600;line-height:1.3;margin-bottom:12px}
.cta-inner p{font-size:15.5px;color:rgba(247,244,238,.78);max-width:32em;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 底部操作 + 相关分类 ---------- */
.bottom-actions{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:32px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
}
.bottom-actions p{font-size:15px;color:var(--muted);max-width:30em}
.bottom-actions .actions{display:flex;gap:14px;flex-wrap:wrap}
.related-strip{padding:56px 0 80px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.related-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  display:flex;flex-direction:column;gap:8px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.related-card:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--sd-2)}
.related-card .idx{font-family:var(--mono);font-size:13px;color:var(--mist);font-variant-numeric:tabular-nums}
.related-card h3{font-family:var(--serif);font-size:19px;font-weight:600}
.related-card p{font-size:14.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#F7F4EE;padding:72px 0 0}
.site-footer .grid-margin-y{margin-top:-16px}
.site-footer .cell{padding-top:16px;padding-bottom:16px}
.footer-brand p{font-size:14px;line-height:2;color:rgba(247,244,238,.76);margin-top:18px;max-width:26em}
.site-footer .logo-text .t1{color:#F7F4EE}
.site-footer .logo-text .t2{color:rgba(247,244,238,.66)}
.site-footer .logo-mark{background:rgba(247,244,238,.14)}
.footer-col h4{
  font-size:14px;letter-spacing:.08em;font-weight:600;color:#F7F4EE;margin-bottom:16px;font-family:var(--sans);
}
.footer-col ul li a{font-size:14px;line-height:2.2;color:rgba(247,244,238,.78);transition:color .18s ease-out}
.footer-col ul li a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:2;color:rgba(247,244,238,.76);max-width:24em}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,238,.18);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;inset:0;z-index:90;
    background:var(--bg);
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;
    transform:translateX(100%);
    transition:transform .22s ease-out;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{
    width:100%;font-size:18px;color:var(--ink);
    padding:16px 0;border-bottom:1px solid var(--line);line-height:56px;
  }
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand);font-weight:600}
  .page-hero h1{font-size:38px}
  .section-title{font-size:28px}
  .steps-row{grid-template-columns:repeat(2,1fr)}
  .compat-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .side-sticky{position:static}
  .cta-inner h2{font-size:28px}
  .panel{padding:26px}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero{padding-bottom:48px}
  .page-hero h1{font-size:32px}
  .page-hero .lede{font-size:16.5px}
  .hero-figure img{aspect-ratio:16/10}
  .panel{padding:22px}
  .faq-block{padding:8px 22px 16px}
  .bottom-actions{padding:24px}
  .cta-inner{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:640px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  .header-inner{height:64px}
  .logo-text .t1{font-size:20px}
  .logo-text .t2{font-size:10.5px}
  .page-hero h1{font-size:27px;line-height:1.32}
  .section-title{font-size:24px}
  .steps-row,.compat-grid,.related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{font-size:16px}
  .download-row{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .bottom-actions .actions{width:100%}
  .cta-actions{width:100%}
  .site-footer{padding-top:56px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .step-card:hover,.compat-card:hover,.related-card:hover,.btn-primary:hover,.btn-light:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --radius-input:10px;
  --shadow-1:0 1px 0 var(--line), 0 8px 24px rgba(20,32,28,.06);
  --shadow-2:0 1px 0 var(--line), 0 12px 30px rgba(20,32,28,.10);
  --container:1200px;
  --space-section:96px;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{overflow-x:clip;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;letter-spacing:.01em;margin:0;line-height:1.3;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:44em;margin-bottom:36px;}
.section-head h2{font-size:34px;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);
  font-family:var(--sans);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:3px;background:var(--accent);border-radius:2px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(20,32,28,.05);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text .t1{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.04em;}
.logo-text .t2{font-size:11px;letter-spacing:.06em;color:var(--muted);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);padding:24px 0;white-space:nowrap;
  transition:color .16s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:2px;right:2px;bottom:16px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);position:relative;transition:background-color .16s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);
  transition:transform .18s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(20,32,28,.42);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;
  z-index:70;
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:600;line-height:1;
  padding:15px 26px;min-height:48px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--brand);color:#F7F4EE;}
.btn-primary:hover{background:var(--brand-deep);color:#F7F4EE;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,51,44,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(30,75,64,.06);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:11px 18px;min-height:42px;font-size:14px;}
.btn-block{width:100%;}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-cta .arrow{transition:transform .18s ease-out;}
.link-cta:hover .arrow{transform:translateX(3px);}
.link-cta:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;background:var(--accent-soft);color:#8A3F23;
  font-size:13px;line-height:1.4;padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  font-size:13px;padding:8px 14px;border-radius:999px;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out,background-color .16s ease-out;
  min-height:36px;
}
.chip:hover{border-color:rgba(30,75,64,.4);color:var(--brand);background:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--brand);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,32,28,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(20,32,28,.05) 1px,transparent 1px);
  background-size:72px 72px;opacity:.5;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;
  border-radius:50%;border:1px solid var(--mist);opacity:.45;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{font-size:46px;line-height:1.24;margin:16px 0 0;}
.page-hero .lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--muted);max-width:34em;}
.hero-thumb{
  margin:0;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-thumb img{width:100%;height:250px;object-fit:cover;}

/* ---------- 搜索条 ---------- */
.search-wrap{padding:44px 0 0;}
.search-bar{
  display:flex;gap:12px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-1);
}
.search-bar input{
  flex:1 1 auto;min-width:0;height:48px;border:1px solid var(--line);
  border-radius:var(--radius-input);padding:0 16px;font-size:15px;
  font-family:var(--sans);color:var(--ink);background:var(--bg);
  transition:border-color .16s ease-out;
}
.search-bar input::placeholder{color:#9A978C;}
.search-bar input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent;background:#fff;}
.search-hint{margin-top:14px;font-size:13px;color:var(--muted);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

/* ---------- FAQ ---------- */
.faq-layout{margin-top:0;}
.faq-list{border-top:1px solid var(--line);margin-top:8px;}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:20px 0;
  scroll-margin-top:96px;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;
  gap:20px;padding:2px 0;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  transition:color .16s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 auto;width:24px;height:24px;margin-top:2px;
  border-radius:50%;border:1px solid var(--line);background:var(--surface);
  transition:background-color .18s ease-out,border-color .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);
  transition:transform .18s ease-out,opacity .18s ease-out,background-color .18s ease-out;
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;}
.faq-item[open] .faq-icon{background:var(--brand);border-color:var(--brand);}
.faq-item[open] .faq-icon::before{background:#F7F4EE;}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-body{padding:14px 40px 6px 0;font-size:15px;line-height:1.9;color:var(--muted);}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}
.faq-body strong{color:var(--ink);font-weight:600;}
.faq-empty{
  display:none;margin-top:22px;padding:28px;text-align:center;
  background:var(--surface-alt);border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);font-size:15px;
}

/* ---------- 侧栏 ---------- */
.side-col{position:relative;}
.side-inner{position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:18px;}
.side-card h3{font-size:17px;margin-bottom:12px;}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.side-figure{margin:0 0 14px;border-radius:var(--radius-img);overflow:hidden;}
.side-figure img{width:100%;height:130px;object-fit:cover;}
.toc-list li a{
  display:flex;gap:10px;align-items:baseline;
  font-size:14px;color:var(--muted);line-height:1.6;
  padding:8px 0;border-bottom:1px dashed rgba(221,213,198,.85);
  transition:color .16s ease-out,padding-left .16s ease-out;
}
.toc-list li:last-child a{border-bottom:0;}
.toc-list li a .num{font-family:Inter,system-ui,sans-serif;font-size:12px;color:var(--mist);flex:0 0 auto;}
.toc-list li a:hover{color:var(--brand);padding-left:4px;}
.link-list li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--ink);padding:11px 0;
  border-bottom:1px solid var(--line);
  transition:color .16s ease-out;
}
.link-list li:last-child a{border-bottom:0;}
.link-list li a .arrow{color:var(--accent);transition:transform .18s ease-out;}
.link-list li a:hover{color:var(--brand);}
.link-list li a:hover .arrow{transform:translateX(3px);}

/* ---------- 仍未解决 ---------- */
.help-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px 32px;
  position:relative;overflow:hidden;
}
.help-strip::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(159,182,174,.6);pointer-events:none;
}
.help-strip h2{font-size:24px;margin-bottom:8px;}
.help-strip p{font-size:15px;color:var(--muted);max-width:46em;}
.help-strip .actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--brand-deep);color:#F1EDE4;border-radius:18px;
  padding:56px 48px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(247,244,238,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,244,238,.07) 1px,transparent 1px);
  background-size:56px 56px;opacity:.6;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#F7F4EE;font-size:32px;}
.cta-band p{color:rgba(247,244,238,.78);font-size:15.5px;margin-top:12px;max-width:40em;}
.cta-band .btn-primary{background:#F1EDE4;color:var(--brand-deep);}
.cta-band .btn-primary:hover{background:#fff;color:var(--brand-deep);}
.cta-band .btn-ghost{border-color:rgba(247,244,238,.55);color:#F1EDE4;}
.cta-band .btn-ghost:hover{background:rgba(247,244,238,.12);color:#fff;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 相关分类条 ---------- */
.related-bar{margin-top:34px;}
.related-bar h3{font-size:17px;margin-bottom:16px;color:var(--muted);font-family:var(--sans);font-weight:600;letter-spacing:.04em;}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.related-item{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;
  transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.related-item .rt{display:block;font-family:var(--serif);font-size:16px;font-weight:600;color:var(--ink);}
.related-item .rs{display:block;font-size:13px;color:var(--muted);margin-top:4px;}
.related-item:hover{border-color:rgba(30,75,64,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,244,238,.82);padding:72px 0 0;margin-top:96px;}
.site-footer .logo{margin-bottom:18px;}
.site-footer .logo-text .t1{color:#F7F4EE;}
.site-footer .logo-text .t2{color:rgba(247,244,238,.6);}
.site-footer .logo-mark{background:rgba(247,244,238,.14);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:30em;}
.footer-col h4{
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.08em;
  color:rgba(247,244,238,.95);margin-bottom:14px;
}
.footer-col ul li{margin:0;}
.footer-col ul li a{
  display:inline-block;font-size:14px;line-height:2.2;color:rgba(247,244,238,.72);
  transition:color .16s ease-out,transform .16s ease-out;
}
.footer-col ul li a:hover{color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);}
.footer-bottom{
  margin-top:56px;padding:22px 0 28px;
  border-top:1px solid rgba(247,244,238,.18);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.6);
  font-family:var(--sans);font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-section:72px;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:min(86vw,360px);background:var(--surface);
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:78px 22px 32px;overflow-y:auto;z-index:90;
    box-shadow:-20px 0 48px rgba(20,32,28,.16);
  }
  .nav-links.is-open{display:flex;animation:navIn .2s ease-out both;}
  @keyframes navIn{from{opacity:0;transform:translateX(16px);}to{opacity:1;transform:translateX(0);}}
  .nav-links a{padding:16px 0;font-size:17px;border-bottom:1px solid var(--line);color:var(--ink);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--brand);font-weight:700;}
  .page-hero h1{font-size:36px;}
  .hero-thumb{margin-top:28px;}
  .hero-thumb img{height:220px;}
  .side-inner{position:static;margin-top:36px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:44px 32px;}
  .cta-band h2{font-size:27px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:640px){
  :root{--space-section:56px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;line-height:1.8;}
  .page-hero{padding:36px 0 48px;}
  .page-hero h1{font-size:29px;line-height:1.3;}
  .page-hero .lead{font-size:15.5px;margin-top:14px;}
  .hero-thumb img{height:180px;}
  .breadcrumb{font-size:12.5px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .search-wrap{padding:32px 0 0;}
  .search-bar{flex-direction:column;align-items:stretch;padding:12px;}
  .search-bar input{width:100%;}
  .search-bar .btn{width:100%;}
  .faq-item summary{font-size:16px;gap:14px;}
  .faq-body{padding:12px 0 4px;}
  .help-strip{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .help-strip .actions{width:100%;}
  .help-strip .actions .btn{width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;border-radius:14px;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding-top:52px;margin-top:64px;}
  .footer-bottom{margin-top:36px;flex-direction:column;}
  .section-head h2{font-size:24px;}
  .side-card{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --brand:#1E4B40;
  --brand-deep:#12332C;
  --accent:#C4623C;
  --accent-soft:#F1DCD1;
  --mist:#9FB6AE;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#DDD5C6;
  --ink:#14201C;
  --muted:#6B6A62;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 1px 0 var(--line),0 8px 24px rgba(20,32,28,.06);
  --shadow-hover:0 1px 0 var(--line),0 12px 30px rgba(20,32,28,.10);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --num:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--ink);}
::selection{background:var(--accent-soft);color:#8A3F23;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(247,244,238,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(20,32,28,.05);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:30px;height:30px;
  border-radius:var(--radius-sm);
  background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text .t1{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.04em;}
.logo-text .t2{font-size:11px;color:var(--muted);letter-spacing:.06em;font-family:var(--sans);margin-top:2px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 0;
  transition:color .18s var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:2px;right:2px;bottom:0;
  height:2px;
  background:var(--accent);
  opacity:0;
  transition:opacity .16s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{opacity:.55;}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{opacity:1;}
.header-cta{flex:0 0 auto;margin-left:8px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  cursor:pointer;
  padding:0;
  position:relative;
  z-index:120;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span+span{margin-top:5px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  font-family:var(--sans);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
  text-align:center;
}
.btn:focus-visible,
.nav-links a:focus-visible,
.faq-item summary:focus-visible,
.chip:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.btn-primary{background:var(--brand);color:#F7F4EE;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#F7F4EE;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(30,75,64,.42);}
.btn-ghost:hover{background:rgba(30,75,64,.06);color:var(--brand-deep);border-color:var(--brand);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.btn-link .arrow{transition:transform .18s var(--ease);}
.btn-link:hover{color:var(--accent);border-bottom-color:var(--accent);}
.btn-link:hover .arrow{transform:translateX(3px);}

/* ---------- badge / crumb ---------- */
.badge{
  display:inline-block;
  background:var(--accent-soft);
  color:#8A3F23;
  font-size:13px;
  line-height:1.5;
  padding:6px 12px;
  border-radius:999px;
  letter-spacing:.04em;
}
.crumb{
  font-size:13px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  margin-bottom:18px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.6;}
.crumb .cur{color:var(--ink);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- hero-lite ---------- */
.hero-lite{
  position:relative;
  padding:44px 0 0;
  overflow:hidden;
}
.hero-lite::before{
  content:"";
  position:absolute;
  top:-40px;right:-60px;
  width:340px;height:340px;
  border:1px solid var(--mist);
  opacity:.22;
  border-radius:50%;
  pointer-events:none;
}
.hero-lite-inner{max-width:820px;}
.hero-lite h1{
  font-size:44px;
  line-height:1.24;
  margin:16px 0 16px;
}
.hero-lite h1 .sub{display:block;font-size:26px;color:var(--muted);font-weight:600;margin-top:10px;}
.hero-lite .lead{
  font-size:17px;
  color:var(--muted);
  max-width:40em;
  line-height:1.9;
}
.hero-lite-media{
  margin-top:34px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  position:relative;
}
.hero-lite-media img{
  width:100%;
  height:260px;
  object-fit:cover;
}
.hero-lite-media .media-tag{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:13px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
}

/* ---------- section ---------- */
.section{padding:64px 0;}
.section--tight{padding:48px 0;}
.section-head{
  margin-bottom:32px;
}
.section-head h2{
  font-size:32px;
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:3px;height:20px;
  background:var(--accent);
  border-radius:2px;
  display:inline-block;
  flex:0 0 auto;
}
.section-head p{
  color:var(--muted);
  font-size:15px;
  margin-top:12px;
  max-width:40em;
}

/* ---------- split ---------- */
.split-wrap{padding:56px 0 24px;}
.article-col{min-width:0;}
.side-col{min-width:0;}

.prose p{max-width:40em;color:#26302C;}

/* ---------- tutorial rows ---------- */
.tut-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:32px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
}
.tut-row:last-of-type{border-bottom:0;}
.tut-media{
  flex:1 1 320px;
  min-width:0;
}
.tut-body{
  flex:1 1 360px;
  min-width:0;
}
.tut-media img{
  width:100%;
  aspect-ratio:5 / 4;
  height:auto;
  object-fit:cover;
  border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.step-num{
  font-family:var(--num);
  font-size:26px;
  font-weight:600;
  color:var(--mist);
  letter-spacing:.06em;
  line-height:1;
  margin-bottom:12px;
  display:block;
}
.tut-body h3{
  font-size:21px;
  margin-bottom:14px;
}
.tut-body p{
  font-size:15.5px;
  line-height:1.9;
  color:#2C3733;
  max-width:32em;
  margin-bottom:1em;
}
.tut-note{
  display:inline-block;
  font-size:13px;
  color:var(--muted);
  background:var(--surface-alt);
  border-radius:var(--radius-sm);
  padding:8px 12px;
  line-height:1.7;
}

/* ---------- feature list ---------- */
.feature-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:8px 24px;
  margin-top:28px;
  box-shadow:var(--shadow);
}
.feature-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  line-height:1.85;
  color:#2C3733;
}
.feature-list li:last-child{border-bottom:0;}
.feature-list .dot{
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:11px;
  border-radius:2px;
  background:var(--accent);
}
.feature-list strong{color:var(--ink);font-weight:600;}

/* ---------- side card / toc ---------- */
.side-sticky{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.side-card h4{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--muted);
  font-family:var(--sans);
  font-weight:600;
  margin-bottom:14px;
}
.toc a{
  display:block;
  font-size:14.5px;
  color:#2C3733;
  padding:9px 0 9px 14px;
  border-left:2px solid var(--line);
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.toc a:hover{
  color:var(--brand);
  border-left-color:var(--accent);
  background:rgba(30,75,64,.04);
}
.rel-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14.5px;
  color:#2C3733;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  transition:color .16s var(--ease);
}
.rel-list li:last-child a{border-bottom:0;}
.rel-list a:hover{color:var(--accent);}
.rel-list .arrow{color:var(--mist);}

/* ---------- check band ---------- */
.check-band{
  background:var(--surface-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.check-band .grid-x{
  gap:0;
}
.check-item{
  padding:26px 26px 26px 0;
  border-right:1px solid rgba(20,32,28,.10);
  height:100%;
}
.check-item:last-child{border-right:0;}
.check-item h4{
  font-size:17px;
  margin-bottom:8px;
}
.check-item p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}

/* ---------- faq ---------- */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  cursor:pointer;
  list-style:none;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  font-family:var(--sans);
  transition:color .16s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item .sign{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  margin-top:4px;
}
.faq-item .sign::before,
.faq-item .sign::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.faq-item .sign::before{left:0;top:10px;width:22px;height:2px;}
.faq-item .sign::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .sign::after{transform:rotate(90deg);opacity:0;}
.faq-answer{
  padding:0 40px 22px 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  max-width:44em;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-deep);
  color:#F7F4EE;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(247,244,238,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,238,.07) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
  opacity:.5;
}
.cta-inner{
  position:relative;
  padding:64px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{
  color:#F7F4EE;
  font-size:30px;
  margin-bottom:10px;
}
.cta-inner p{
  color:rgba(247,244,238,.76);
  font-size:15px;
  max-width:34em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-primary{background:#F7F4EE;color:var(--brand-deep);border-color:#F7F4EE;}
.cta-band .btn-primary:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:#8A3F23;}
.cta-band .btn-ghost{color:#F7F4EE;border-color:rgba(247,244,238,.45);}
.cta-band .btn-ghost:hover{background:rgba(247,244,238,.12);color:#F7F4EE;border-color:rgba(247,244,238,.8);}

/* ---------- category strip ---------- */
.cat-strip{
  padding:36px 0 56px;
}
.cat-strip h3{
  font-size:15px;
  font-family:var(--sans);
  color:var(--muted);
  letter-spacing:.06em;
  font-weight:600;
  margin-bottom:16px;
}
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  font-size:14.5px;
  color:#2C3733;
  transition:border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.chip:hover{
  border-color:rgba(30,75,64,.4);
  color:var(--brand);
  transform:translateY(-1px);
  box-shadow:var(--shadow);
}
.chip.is-current{
  background:var(--accent-soft);
  border-color:rgba(196,98,60,.35);
  color:#8A3F23;
  font-weight:600;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-deep);
  color:#F7F4EE;
  padding:64px 0 24px;
  font-size:14px;
}
.site-footer a{color:rgba(247,244,238,.82);}
.site-footer a:hover{color:var(--accent);}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text .t1{color:#F7F4EE;}
.footer-brand .logo-text .t2{color:rgba(247,244,238,.6);}
.footer-brand .logo-mark{background:rgba(247,244,238,.12);}
.footer-brand p{
  color:rgba(247,244,238,.72);
  font-size:14px;
  line-height:1.9;
  max-width:34em;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  letter-spacing:.08em;
  color:#F7F4EE;
  margin-bottom:14px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:2px;}
.footer-col ul a{
  font-size:14px;
  line-height:2.2;
  transition:color .16s var(--ease);
}
.footer-col p{
  color:rgba(247,244,238,.72);
  font-size:14px;
  line-height:1.9;
}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(247,244,238,.18);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(247,244,238,.6);
}
.grid-margin-y{margin-top:-1.5rem;}
.grid-margin-y>.cell{margin-top:1.5rem;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;flex-direction:column;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;
    inset:0;
    z-index:100;
    margin:0;
    padding:88px 24px 40px;
    background:var(--surface);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    width:100%;
    font-size:18px;
    color:var(--ink);
    padding:15px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--brand);}
  .hero-lite h1{font-size:36px;}
  .hero-lite h1 .sub{font-size:22px;}
  .hero-lite-media img{height:220px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:28px;}
  .side-sticky{position:static;}
  .tut-row{gap:22px;padding:26px 0;}
  .tut-media,.tut-body{flex:1 1 100%;}
  .check-item{border-right:0;border-bottom:1px solid rgba(20,32,28,.10);padding:22px 0;}
  .check-item:last-child{border-bottom:0;}
  .cta-inner{padding:52px 0;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .header-inner{min-height:66px;}
  .logo-text .t1{font-size:20px;}
  .hero-lite{padding-top:28px;}
  .hero-lite h1{font-size:29px;line-height:1.3;}
  .hero-lite h1 .sub{font-size:19px;}
  .hero-lite .lead{font-size:15.5px;}
  .hero-lite-media img{height:180px;}
  .hero-lite-media .media-tag{left:12px;bottom:12px;font-size:12px;padding:6px 12px;}
  .section-head h2{font-size:24px;}
  .section-head h2::before{height:18px;}
  .tut-body h3{font-size:19px;}
  .faq-item summary{font-size:16px;padding:18px 0;}
  .faq-answer{padding-right:0;font-size:14.5px;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .btn-link{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .btn-primary:hover,.chip:hover{transform:none;}
}