/* roulang page: index */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(25,29,28,.05), 0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06), 0 18px 40px -18px rgba(25,29,28,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-title{
  font-family:var(--serif);
  font-size:clamp(26px,2.6vw,34px);
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
  font-weight:600;
}
.section-lead{color:var(--ink-2);font-size:16px;margin-top:14px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.08em;color:var(--accent);font-weight:600;
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--accent);display:inline-block;border-radius:1px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(247,244,237,.94);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;min-height:44px;}
.logo-mark{
  width:20px;height:20px;background:var(--brand);
  transform:rotate(45deg);border-radius:3px;flex:none;
}
.logo-text{
  font-family:var(--serif);font-size:20px;font-weight:700;
  letter-spacing:.02em;color:var(--ink);line-height:1;
}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px;flex:1 1 auto;min-width:0;}
.nav-links a{
  position:relative;font-size:14px;color:var(--ink-2);
  padding:8px 0;line-height:1.4;transition:color .18s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:14px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:36px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink-3);font-size:13px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.search-box svg{flex:none;}
.search-box input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:13px;color:var(--ink);line-height:1.4;
}
.search-box input::placeholder{color:var(--ink-3);}
.kbd{
  flex:none;font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:5px;padding:1px 5px;line-height:1.4;
  background:var(--surface-alt);
}
.nav-quick{font-size:14px;color:var(--ink-2);padding:8px 2px;transition:color .18s ease;}
.nav-quick:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;
  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:#fff;border-color:var(--brand);}
.btn-primary:hover{background:#0b322c;border-color:#0b322c;transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary:active{background:var(--brand-deep);transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow .arw{transition:transform .18s ease;}
.link-arrow:hover .arw{transform:translateX(3px);}
.mobile-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;
}
.mobile-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.mobile-toggle span::before,.mobile-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.mobile-toggle span::before{top:-6px;}
.mobile-toggle span::after{top:6px;}

/* drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(360px,86vw);
  background:var(--bg);border-left:1px solid var(--line);
  z-index:120;transform:translateX(100%);
  transition:transform .28s ease;display:flex;flex-direction:column;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:18px;
}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.drawer-nav a{
  font-size:15px;color:var(--ink-2);padding:12px 4px;
  border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{font-size:14px;color:var(--ink-3);margin-top:auto;line-height:1.9;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,34,30,.42);
  z-index:110;opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ============ Hero ============ */
.hero{padding:72px 0 80px;background:var(--bg);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.18;letter-spacing:-.01em;font-weight:700;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.8;color:var(--ink-2);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-proof{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:34px;
  font-size:13px;color:var(--ink-3);
}
.hero-proof span{display:inline-flex;align-items:center;gap:8px;}
.hero-proof span + span{padding-left:18px;border-left:1px solid var(--line);}
.hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.hero-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;background:rgba(15,61,53,.20);
}
.float-card{
  position:absolute;right:16px;bottom:16px;z-index:2;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);padding:12px 16px;min-width:168px;
}
.float-card .fc-num{
  font-family:var(--serif);font-size:26px;line-height:1.1;color:var(--brand);
  font-variant-numeric:tabular-nums;font-weight:700;
}
.float-card .fc-label{font-size:12.5px;color:var(--ink-3);margin-top:4px;line-height:1.5;}

/* ============ KPI ============ */
.kpi-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.kpi-item{padding:34px 26px;}
.kpi-item + .kpi-item{border-left:1px solid var(--line);}
.kpi-num{
  font-family:var(--serif);font-size:clamp(30px,3vw,42px);line-height:1.1;
  color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:6px;
}
.kpi-num small{font-size:15px;font-family:var(--sans);font-weight:600;color:var(--ink-2);}
.kpi-desc{font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.7;}

/* ============ Services ============ */
.svc-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;margin-top:40px;}
.svc-hero{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--surface);display:flex;flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.svc-hero:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.svc-hero img{aspect-ratio:16/10;width:100%;object-fit:cover;}
.svc-hero-body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.svc-hero-body h3{font-family:var(--serif);font-size:22px;font-weight:700;line-height:1.4;}
.svc-hero-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.svc-mini-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.svc-mini{
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;background:var(--surface);display:flex;flex-direction:column;gap:10px;
  transition:background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.svc-mini:hover{background:var(--brand-soft);border-color:var(--line-strong);transform:translateY(-2px);}
.svc-icon{
  width:38px;height:38px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:700;font-size:16px;flex:none;
}
.svc-mini h3{font-size:17px;font-weight:700;line-height:1.5;}
.svc-mini p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  font-size:12px;letter-spacing:.02em;border-radius:var(--radius-badge);
  background:var(--accent-soft);color:#7d5a2c;line-height:1;
}
.tag-brand{background:var(--brand-soft);color:var(--brand);}

/* ============ Compare ============ */
.compare{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.compare-grid{display:grid;grid-template-columns:1fr 44px 1fr;gap:0;margin-top:40px;align-items:start;}
.compare-col{padding:0 4px;}
.compare-col h3{
  font-family:var(--serif);font-size:19px;font-weight:700;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.compare-col.before h3{color:var(--ink-3);}
.compare-col.after h3{color:var(--brand);}
.compare-list li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.75;
  color:var(--ink-2);margin-bottom:14px;
}
.compare-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--line-strong);
}
.compare-col.after .compare-list li::before{background:var(--accent);}
.compare-col.after .compare-list li{color:var(--ink);}
.compare-arrow{display:flex;align-items:center;justify-content:center;padding-top:64px;color:var(--accent);}

/* ============ CMS list ============ */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:box-shadow .2s ease, transform .2s ease;
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;z-index:2;
}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-card:hover::before{transform:scaleX(1);}
.post-cover{display:block;background:var(--surface-alt);}
.post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-family:var(--serif);font-size:18px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 a:hover{color:var(--brand);}
.post-summary{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.post-foot time{font-variant-numeric:tabular-nums;}
.post-foot .arw{color:var(--brand);font-weight:700;transition:transform .18s ease;}
.post-card:hover .post-foot .arw{transform:translateX(3px);}
.empty-state{
  margin-top:36px;border:1px dashed var(--line-strong);border-radius:12px;
  padding:40px 24px;text-align:center;color:var(--ink-3);font-size:14px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin-top:14px;max-width:300px;}
.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:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:none;width:24px;height:24px;position:relative;color:var(--brand);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .22s ease, opacity .22s ease;
}
.faq-icon::before{left:5px;right:5px;top:11px;height:2px;}
.faq-icon::after{top:5px;bottom:5px;left:11px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{
  font-size:15px;line-height:1.85;color:var(--ink-2);
  padding:0 0 22px;max-width:640px;
}

/* ============ CTA / form ============ */
.cta-band{padding:0 0 96px;}
.cta-card{
  background:var(--brand-deep);border-radius:var(--radius-card);
  padding:48px;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;
  color:#EDF3F0;
}
.cta-card h2{
  font-family:var(--serif);font-size:clamp(24px,2.4vw,30px);line-height:1.35;
  color:#F7F4ED;font-weight:700;
}
.cta-card .cta-lead{font-size:15px;color:rgba(247,244,237,.76);line-height:1.85;margin-top:16px;max-width:420px;}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.cta-point{display:flex;gap:12px;align-items:flex-start;}
.cta-point .dot{
  flex:none;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;
}
.cta-point .pt-t{font-size:12.5px;letter-spacing:.08em;color:var(--accent);line-height:1.5;}
.cta-point .pt-d{font-size:14px;color:rgba(247,244,237,.82);line-height:1.7;margin-top:2px;}
.form-card{
  background:var(--surface);border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--shadow-2);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:600;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);color:var(--ink);line-height:1.4;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.7;margin:6px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:none;}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7;}
.form-msg{
  display:none;margin-top:12px;font-size:13.5px;color:var(--ok);
  background:var(--brand-soft);border-radius:8px;padding:10px 12px;line-height:1.6;
}
.form-msg.show{display:block;}

/* ============ Footer ============ */
.site-footer{background:var(--brand-deep);color:rgba(247,244,237,.82);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#F7F4ED;font-size:19px;}
.footer-brand .logo-mark{background:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,244,237,.7);margin-top:16px;max-width:280px;}
.footer-contact{margin-top:18px;font-size:14px;line-height:2;}
.footer-contact a{color:rgba(247,244,237,.88);}
.footer-contact a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-col h3{
  font-size:13px;letter-spacing:.08em;color:rgba(247,244,237,.62);
  font-weight:600;margin-bottom:16px;font-family:var(--sans);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;color:rgba(247,244,237,.82);line-height:1.6;
  display:inline-block;padding:2px 0;
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(247,244,237,.14);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(247,244,237,.6);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .nav-links,.search-box,.nav-quick{display:none;}
  .mobile-toggle{display:inline-flex;}
  .nav-wrap{justify-content:space-between;}
  .nav-tools{margin-left:auto;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/10;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-mini-wrap{grid-template-columns:1fr 1fr;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .faq-side p{max-width:none;}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .compare-grid{grid-template-columns:1fr;gap:0;}
  .compare-arrow{padding:16px 0;transform:rotate(90deg);justify-content:flex-start;}
  .compare-col + .compare-col{margin-top:8px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .nav-wrap{padding:0 20px;height:60px;}
  .logo-text{font-size:18px;}
  .kpi-grid{grid-template-columns:1fr 1fr;}
  .kpi-item{padding:24px 18px;}
  .kpi-item:nth-child(odd){border-left:0;}
  .kpi-item:nth-child(3),.kpi-item:nth-child(4){border-top:1px solid var(--line);}
  .svc-mini-wrap{grid-template-columns:1fr;}
  .posts-grid{grid-template-columns:1fr;}
  .hero-proof{flex-direction:column;gap:10px;}
  .hero-proof span + span{padding-left:0;border-left:0;}
  .field-row{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .cta-band{padding-bottom:64px;}
  .cta-card{padding:28px 22px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
  .float-card{right:12px;bottom:12px;padding:10px 13px;min-width:146px;}
  .float-card .fc-num{font-size:22px;}
}
@media (max-width:520px){
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .kpi-num{font-size:28px;}
  .btn{height:46px;}
  .post-body{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --shadow-1:0 1px 2px rgba(25,29,28,.05), 0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06), 0 18px 40px -18px rgba(25,29,28,.22);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --container:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",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:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:#0c332c;}
.btn-primary:active{background:var(--brand-deep);}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.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 ease,border-color .18s ease,gap .18s ease;
}
.btn-link::after{content:"→";transition:transform .18s ease;}
.btn-link:hover{color:var(--accent);border-color:var(--accent);}
.btn-link:hover::after{transform:translateX(3px);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;
  background:rgba(247,244,237,.82);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,244,237,.94);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(25,29,28,.02);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-height:44px;
}
.logo-mark{
  width:20px;height:20px;
  background:var(--brand);
  border-radius:3px;
  transform:rotate(45deg);
  position:relative;
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;inset:5px;
  border:1.5px solid rgba(247,244,237,.85);
  border-radius:1px;
}
.logo-text{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--brand-deep);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 auto;
  min-width:0;
}
.nav-links a{
  position:relative;
  font-size:14px;
  color:var(--ink-2);
  padding:10px 0;
  line-height:1;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:4px;
  height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-deep);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:200px;
  height:36px;
  padding:0 10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.cmd-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft);
}
.cmd-search svg{flex:0 0 auto;color:var(--ink-3);}
.cmd-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;background:transparent;
  font-size:13px;line-height:1;
  padding:8px 0;
}
.cmd-search input::placeholder{color:var(--ink-3);}
.cmd-search input:focus{outline:none;}
.cmd-search kbd{
  font-family:var(--font-sans);
  font-size:11px;
  color:var(--ink-3);
  border:1px solid var(--line);
  border-radius:4px;
  padding:1px 5px;
  line-height:1.5;
  background:var(--surface-alt);
}
.header-link{
  font-size:14px;
  color:var(--ink-2);
  padding:10px 2px;
  transition:color .18s ease;
}
.header-link:hover{color:var(--brand);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.menu-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  transition:transform .2s ease;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(360px,88vw);
  height:100vh;
  background:var(--surface);
  border-left:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-btn);cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
  transition:background-color .18s ease,border-color .18s ease;
}
.drawer-close:hover{background:var(--brand-soft);border-color:var(--brand);}
.drawer .cmd-search{width:100%;height:42px;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:15px;
  padding:13px 2px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
  min-height:44px;
  display:flex;align-items:center;
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);padding-left:6px;}
.drawer .btn{width:100%;margin-top:20px;}
.drawer-foot{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);line-height:1.9;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,34,30,.38);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:34px 0 30px;
  background:linear-gradient(180deg,var(--bg) 0%,#F4F0E8 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-3);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-main{max-width:840px;}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(26px,4.2vw,38px);
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--brand-deep);
  font-weight:700;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .divider{width:1px;height:12px;background:var(--line-strong);}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:var(--r-badge);
  background:var(--accent-soft);
  color:#8a6330;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  line-height:1;
}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.article-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:760px;
}

/* ---------- 文章主体布局 ---------- */
.article-section{padding:56px 0 84px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 304px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;max-width:760px;}
.article-body{
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  position:relative;
  font-family:var(--font-serif);
  font-size:24px;
  line-height:1.45;
  color:var(--brand-deep);
  padding-left:14px;
  margin-top:2.2em;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:3px;height:1.05em;background:var(--accent);border-radius:2px;
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  color:var(--ink);
  margin-top:1.8em;
  font-weight:700;
}
.article-body p{color:var(--ink);}
.article-body strong{color:var(--brand-deep);}
.article-body a{
  color:var(--brand);
  border-bottom:1px solid var(--brand);
  transition:color .18s ease,border-color .18s ease;
}
.article-body a:hover{color:var(--accent);border-color:var(--accent);}
.article-body ul,.article-body ol{padding-left:1.3em;}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:item;list-style:none;padding-left:0;}
.article-body ol li{position:relative;padding-left:28px;margin:.6em 0;}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.2em;
  font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px 22px;
  background:var(--surface-alt);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-body img{
  border-radius:var(--r-img);
  border:1px solid var(--line);
  margin:1.6em auto;
  height:auto;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
}
.article-body table{
  margin:1.6em 0;
  font-size:15px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.article-body th{
  background:var(--surface-alt);
  text-align:left;
  font-weight:600;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--brand-deep);
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
}
.article-body tr:last-child td{border-bottom:0;}
.article-body tr:hover td{background:var(--brand-soft);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 文末 */
.article-foot{
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);letter-spacing:.06em;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:var(--r-badge);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.tag:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);
  border-radius:var(--r-img);
  padding:56px 24px;
  text-align:center;
  color:var(--ink-3);
  font-size:14px;
  background:var(--surface);
}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px;}
.toc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
}
.toc-toggle{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;background:none;border:0;padding:0;cursor:pointer;
  font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:600;
}
.toc-caret{transition:transform .2s ease;color:var(--ink-3);}
.toc-card.is-collapsed .toc-caret{transform:rotate(-90deg);}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.toc-card.is-collapsed .toc-list{display:none;}
.toc-list a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--ink-2);
  padding:7px 0 7px 14px;
  margin-left:-1px;
  border-left:2px solid transparent;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.toc-list .toc-empty{font-size:13px;color:var(--ink-3);padding:6px 0 6px 14px;line-height:1.7;}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-family:var(--font-serif);
  font-size:17px;
  color:var(--brand-deep);
  margin-bottom:10px;
}
.aside-card p{font-size:13px;line-height:1.8;color:var(--ink-3);margin-bottom:14px;}
.aside-list{display:flex;flex-direction:column;gap:0;}
.aside-list li{
  display:flex;justify-content:space-between;gap:10px;
  font-size:13px;
  padding:9px 0;
  border-bottom:1px solid var(--line);
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.aside-list li:last-child{border-bottom:0;}
.aside-list li span:last-child{color:var(--ink);font-weight:600;text-align:right;}
.aside-card .btn{width:100%;margin-top:6px;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 88px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,30px);
  color:var(--brand-deep);
  line-height:1.3;
  position:relative;
  padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;padding-left:14px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
  z-index:2;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.card:hover::before{transform:scaleX(1);}
.card-cover{
  aspect-ratio:16/10;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{
  font-family:var(--font-serif);
  font-size:18px;
  line-height:1.45;
  color:var(--brand-deep);
}
.card-body p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.card-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
  padding-top:12px;border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.card-foot .arrow{color:var(--brand);transition:transform .18s ease;}
.card:hover .card-foot .arrow{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-panel{
  background:var(--brand-deep);
  border-radius:var(--r-card);
  padding:48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
  color:#F7F4ED;
}
.cta-copy h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.35;
  color:#F7F4ED;
}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(247,244,237,.72);}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(247,244,237,.86);line-height:1.7;}
.cta-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:var(--r-badge);
  background:rgba(180,133,74,.22);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;letter-spacing:.04em;margin-top:2px;
}
.form-card{
  background:var(--surface);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-2);
  color:var(--ink);
}
.form-row{margin-bottom:16px;}
.form-row label{
  display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;letter-spacing:.02em;
}
.form-row input,.form-row textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--surface);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--ink-3);}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
}
.form-row.has-error input,.form-row.has-error textarea{border-color:var(--danger);}
.form-err{display:none;font-size:12px;color:var(--danger);margin-top:6px;}
.form-row.has-error .form-err{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.check-row label{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin:0;}
.form-card .btn{width:100%;}
.form-note{
  display:none;
  margin-top:14px;
  font-size:13px;color:var(--ok);
  border:1px solid rgba(47,110,82,.28);
  background:rgba(47,110,82,.08);
  border-radius:var(--r-btn);
  padding:10px 12px;
  line-height:1.7;
}
.form-note.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(247,244,237,.78);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:46px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--accent);}
.footer-brand .logo-mark::after{border-color:rgba(8,34,30,.65);}
.footer-brand .logo-text{color:#F7F4ED;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(247,244,237,.62);max-width:320px;}
.footer-contact{margin-top:18px;font-size:13px;line-height:2;color:rgba(247,244,237,.62);}
.footer-contact a{color:rgba(247,244,237,.86);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
.footer-contact a:hover{color:#fff;border-bottom-color:#fff;}
.footer-col h3{
  font-size:13px;letter-spacing:.08em;font-weight:600;
  color:var(--accent);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:13.5px;color:rgba(247,244,237,.72);
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
  display:inline-block;
  padding:2px 0;
}
.footer-col a:hover{color:#fff;border-bottom-color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 26px;
  border-top:1px solid rgba(247,244,237,.14);
  font-size:12.5px;
  color:rgba(247,244,237,.5);
}
.fb-links{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.fb-links a{color:rgba(247,244,237,.7);transition:color .18s ease;}
.fb-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .container{padding:0 28px;}
  .nav-links{gap:18px;}
  .cmd-search{width:168px;}
}
@media (max-width:1024px){
  .nav-links,.cmd-search,.header-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{gap:16px;justify-content:space-between;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-main{max-width:100%;}
  .article-aside{position:static;order:-1;}
  .toc-card.is-collapsed .toc-list{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .article-hero{padding:24px 0 24px;}
  .article-section{padding:40px 0 64px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-lead{font-size:16px;}
  .card-grid{grid-template-columns:1fr;}
  .related-section{padding-bottom:64px;}
  .cta-section{padding-bottom:64px;}
  .cta-panel{padding:28px 22px;}
  .form-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .site-footer{padding-top:48px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .logo-text{font-size:18px;}
  .header-actions{gap:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .foot-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --shadow-1:0 1px 2px rgba(25,29,28,.05),0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06),0 18px 40px -18px rgba(25,29,28,.22);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
@media (max-width:1200px){.container{padding:0 32px}}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:520px){.container{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  height:68px;
  background:rgba(247,244,237,.96);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  background:rgba(247,244,237,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -16px rgba(25,29,28,.5);
  backdrop-filter:saturate(140%) blur(8px);
}
.header-inner{height:68px;display:flex;align-items:center;gap:26px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:18px;height:18px;border-radius:4px;background:var(--brand);
  transform:rotate(45deg);display:inline-block;flex:none;
}
.logo-text{
  font-family:var(--serif);font-size:19px;font-weight:600;
  letter-spacing:.02em;color:var(--ink);line-height:1;
}
.nav-links{display:flex;align-items:center;gap:24px;flex:1;min-width:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  font-size:14px;color:var(--ink-2);padding:6px 0;
  transition:color .18s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:none}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:36px;padding:0 10px;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);
  color:var(--ink-3);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search-box i{font-size:12px}
.search-box input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:13px;color:var(--ink);line-height:1.4;
}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;line-height:1;padding:3px 5px;border-radius:5px;
  border:1px solid var(--line);background:var(--surface-alt);color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.header-link{font-size:14px;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center;transition:color .18s}
.header-link:hover{color:var(--brand)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .18s,background .18s;
}
.menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (max-width:1180px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:900px){
  .search-box{display:none}
  .header-link{display:none}
}
@media (max-width:520px){
  .site-header,.header-inner{height:60px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,
             transform .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0c322c;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{background:var(--brand-deep);transform:translateY(0)}
.btn-outline{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.btn-light{background:#F7F4ED;color:var(--brand-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-sm{min-height:38px;height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14px;font-weight:600;min-height:44px;
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(3px)}
.link-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;pointer-events:none}
.drawer-backdrop{
  position:absolute;inset:0;background:rgba(8,34,30,.42);
  opacity:0;transition:opacity .24s ease;
}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--bg);border-left:1px solid var(--line);
  padding:20px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-backdrop{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--ink);font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--brand);background:var(--brand-soft)}
.drawer .search-box{display:flex;width:100%}
.drawer-nav{display:grid;gap:2px}
.drawer-nav a{
  display:flex;align-items:center;min-height:44px;padding:10px 0;
  font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-cta{width:100%}
.drawer-contact{font-size:13px;color:var(--ink-3);line-height:1.9;border-top:1px solid var(--line);padding-top:16px}
.drawer-contact a{color:var(--brand);font-weight:600}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:18px 0 0;font-size:13px;color:var(--ink-3)}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb-bar li{display:inline-flex;align-items:center;gap:8px}
.crumb-bar li+li::before{content:"/";color:var(--line-strong)}
.crumb-bar a:hover{color:var(--brand)}
.crumb-bar .current{color:var(--ink)}

/* ---------- hero ---------- */
.page-hero{
  padding:36px 0 56px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#FBF8F1 0%,var(--bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:end}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  background:var(--accent-soft);border-radius:6px;padding:5px 10px;
  font-weight:600;
}
.eyebrow::before{content:"";width:3px;height:12px;background:var(--accent);border-radius:1px}
.page-hero h1{
  font-family:var(--serif);
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.18;letter-spacing:-.01em;font-weight:700;
  margin:18px 0 0;
}
.hero-note{
  font-size:17px;line-height:1.8;color:var(--ink-2);
  padding-left:20px;border-left:3px solid var(--brand);
}
.hero-note strong{color:var(--brand-deep)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  font-size:13px;color:var(--ink-2);border:1px solid var(--line);
  background:var(--surface);border-radius:6px;padding:5px 10px;
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
  .hero-note{padding-left:16px}
  .page-hero{padding:26px 0 44px}
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface-alt)}
.section-head{max-width:720px}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(26px,2.6vw,34px);
  line-height:1.3;font-weight:700;letter-spacing:-.005em;
  margin-top:14px;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85}
.section-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
@media (max-width:768px){
  .section{padding:60px 0}
  .section-tight{padding:52px 0}
}

/* ---------- feature card ---------- */
.feature-card{
  display:grid;grid-template-columns:5fr 7fr;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);margin-top:40px;
}
.feature-media{position:relative;min-height:340px;background:var(--surface-alt)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.feature-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.94);border-radius:8px;
  padding:8px 12px;font-size:12px;color:var(--brand-deep);font-weight:600;
  box-shadow:var(--shadow-1);
}
.feature-body{padding:36px 36px 32px;display:flex;flex-direction:column}
.feature-body h3{font-family:var(--serif);font-size:22px;line-height:1.45;font-weight:700}
.feature-body p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.85}
.spec-list{margin-top:20px}
.spec-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 0;border-top:1px solid var(--line);font-size:14px;
}
.spec-list li span:first-child{color:var(--ink-3)}
.spec-list li span:last-child{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.feature-actions{margin-top:auto;padding-top:24px;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:900px){
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:0}
  .feature-body{padding:26px 22px 26px}
}

/* ---------- service grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.svc-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
}
.svc-card h3{margin-top:16px;font-size:17px;font-weight:700;line-height:1.5;color:var(--ink)}
.svc-card p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}
.svc-card .spec-list{margin-top:18px}
.svc-card .spec-list li{font-size:13px;padding:9px 0}
.svc-card .spec-list li span:first-child{color:var(--ink-3)}
@media (max-width:1024px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .svc-grid{grid-template-columns:1fr}
}

/* ---------- compare strip ---------- */
.compare{
  margin-top:40px;
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-strong);
}
.compare-col{padding:24px 28px 8px;border-right:1px solid var(--line)}
.compare-col:last-child{border-right:0}
.compare-col h3{
  font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.compare-col h3 em{
  font-style:normal;font-size:12px;letter-spacing:.08em;color:var(--accent);
  font-family:-apple-system,"PingFang SC",sans-serif;font-weight:600;
}
.compare-list{margin-top:16px}
.compare-list li{
  padding:11px 0;border-top:1px solid var(--line);
  font-size:15px;line-height:1.72;color:var(--ink-2);
}
.compare-list li strong{color:var(--ink);font-weight:600}
@media (max-width:900px){
  .compare{grid-template-columns:1fr}
  .compare-col{border-right:0;border-bottom:1px solid var(--line);padding:22px 0 8px}
  .compare-col:last-child{border-bottom:0}
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;border-top:1px solid var(--line-strong)}
.step{padding:26px 26px 0 0;position:relative;border-right:1px solid var(--line)}
.step:last-child{border-right:0;padding-right:0}
.step-num{
  font-family:var(--serif);font-size:13px;letter-spacing:.08em;
  color:var(--accent);font-weight:700;
}
.step h3{margin-top:10px;font-size:17px;font-weight:700;line-height:1.5}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}
.step .step-when{
  display:inline-block;margin-top:14px;font-size:12px;color:var(--brand);
  background:var(--brand-soft);border-radius:6px;padding:4px 8px;font-weight:600;
}
@media (max-width:900px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{padding:24px 20px 24px 0}
  .step:nth-child(2n){border-right:0}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .step:last-child{border-bottom:0}
}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-aside h2{font-family:var(--serif);font-size:clamp(26px,2.6vw,34px);line-height:1.3;font-weight:700;margin-top:14px}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-aside .aside-contact{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);line-height:1.9;
}
.faq-aside .aside-contact a{color:var(--brand);font-weight:600;border-bottom:1px solid var(--brand-soft)}
.faq-aside .aside-contact a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;transition:color .18s ease;min-height:44px;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.faq-icon{
  flex:none;width:22px;height:22px;margin-top:2px;border-radius:6px;
  border:1px solid var(--line-strong);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;line-height:1;transition:transform .22s ease,background .18s;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--brand-soft)}
.faq-a{max-width:640px;padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-a[hidden]{display:none}
@media (max-width:900px){
  .faq-layout{grid-template-columns:1fr;gap:28px}
}

/* ---------- cta ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  background:var(--brand-deep);color:#F4F1E8;
  padding:48px;
}
.cta-block .cta-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,34,30,.94) 0%,rgba(8,34,30,.72) 62%,rgba(8,34,30,.5) 100%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-inner h2{font-family:var(--serif);font-size:clamp(24px,2.4vw,32px);line-height:1.32;font-weight:700;color:#fff}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(244,241,232,.8);max-width:520px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(244,241,232,.86)}
.cta-points .pt-tag{
  flex:none;font-size:12px;font-weight:600;color:var(--brand-deep);
  background:var(--accent-soft);border-radius:6px;padding:3px 8px;margin-top:2px;
}
.cta-actions{
  background:rgba(255,255,255,.06);border:1px solid rgba(244,241,232,.2);
  border-radius:12px;padding:24px;
}
.cta-actions h3{font-size:16px;font-weight:700;color:#fff}
.cta-actions p{margin-top:8px;font-size:14px;color:rgba(244,241,232,.72);line-height:1.75}
.cta-actions .btn{width:100%;margin-top:16px}
.cta-phone{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(244,241,232,.18);
  font-size:13px;color:rgba(244,241,232,.7);line-height:1.9;
}
.cta-phone a{color:#fff;font-weight:600}
.cta-phone a:hover{color:var(--accent-soft)}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-block{padding:30px 22px}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,244,237,.78);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.site-footer .logo-text{color:#F7F4ED}
.site-footer .logo-mark{background:var(--accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,244,237,.72);max-width:340px}
.footer-contact{margin-top:18px;font-size:13px;line-height:1.95;color:rgba(247,244,237,.66)}
.footer-contact a{color:rgba(247,244,237,.9);border-bottom:1px solid transparent;transition:color .18s,border-color .18s}
.footer-contact a:hover{color:#fff;border-bottom-color:#fff}
.footer-col h3{
  font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--accent);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  display:inline-block;font-size:14px;color:rgba(247,244,237,.78);
  padding-bottom:2px;border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;min-height:24px;
}
.footer-col a:hover{color:#fff;border-bottom-color:#fff}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(247,244,237,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:13px;color:rgba(247,244,237,.58);
}
.footer-bottom .fb-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:rgba(247,244,237,.72)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px}
}

/* ---------- misc ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:200;
}
.skip-link:focus{left:0}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --brand:#0F3D35;
    --brand-deep:#08221E;
    --brand-soft:#E8F0EC;
    --accent:#B4854A;
    --accent-soft:#F1E6D6;
    --bg:#F7F4ED;
    --surface:#FFFFFF;
    --surface-alt:#EFEAE0;
    --line:#E1DACD;
    --line-strong:#CFC6B4;
    --ink:#191D1C;
    --ink-2:#4E5653;
    --ink-3:#808783;
    --danger:#A6432D;
    --ok:#2F6E52;
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
    --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    --radius:14px;
    --radius-sm:10px;
    --shadow-1:0 1px 2px rgba(25,29,28,.05),0 8px 24px -12px rgba(25,29,28,.14);
    --shadow-2:0 1px 2px rgba(25,29,28,.06),0 18px 40px -18px rgba(25,29,28,.22);
  }
  *,*::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:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  h1,h2,h3{font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:-0.01em;}
  .num{font-variant-numeric:tabular-nums;}

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

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,237,.94);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(25,29,28,.35);}
  .header-inner{display:flex;align-items:center;gap:24px;height:68px;}
  .logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
  .logo-mark{
    width:18px;height:18px;background:var(--brand);border-radius:4px;
    transform:rotate(45deg);margin:0 2px;flex-shrink:0;
  }
  .logo-text{
    font-family:var(--serif);font-size:19px;font-weight:700;
    letter-spacing:.02em;color:var(--ink);white-space:nowrap;
  }
  .nav-links{display:flex;align-items:center;gap:24px;margin:0 auto;}
  .nav-links a{
    position:relative;font-size:14px;color:var(--ink-2);
    padding:6px 0;white-space:nowrap;transition:color .18s ease;
    line-height:1.6;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
    background:var(--brand);transition:width .18s ease;border-radius:2px;
  }
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.is-active{color:var(--ink);font-weight:600;}
  .nav-links a.is-active::after{width:100%;}
  .header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:200px;height:36px;padding:0 10px 0 12px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-sm);transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
  .search-box svg{flex-shrink:0;color:var(--ink-3);}
  .search-box input{
    flex:1;min-width:0;border:0;outline:0;background:transparent;
    font-family:inherit;font-size:13px;color:var(--ink);
  }
  .search-box input::placeholder{color:var(--ink-3);}
  .search-box kbd{
    font-family:var(--sans);font-size:11px;color:var(--ink-3);
    border:1px solid var(--line);border-radius:5px;padding:1px 5px;
    background:var(--surface-alt);line-height:1.6;
  }
  .header-link{font-size:14px;color:var(--ink-2);transition:color .18s ease;white-space:nowrap;}
  .header-link:hover{color:var(--brand);}
  .menu-btn{
    display:none;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 11px;background:transparent;
    border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;
  }
  .menu-btn span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-sm);
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;
    border:1px solid transparent;white-space:nowrap;
    transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:#0c322c;transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);background:var(--brand-deep);}
  .btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);}
  .btn-on-dark{background:transparent;border-color:rgba(247,244,237,.5);color:#F7F4ED;}
  .btn-on-dark:hover{background:rgba(247,244,237,.12);border-color:#F7F4ED;}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}

  /* ---------- Hero ---------- */
  .hero{padding:72px 0 60px;border-bottom:1px solid var(--line);}
  .hero-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:56px;align-items:end;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.08em;color:var(--accent);
    background:var(--accent-soft);border-radius:6px;padding:5px 10px;
    margin-bottom:20px;line-height:1.6;
  }
  .eyebrow::before{content:"";width:5px;height:5px;border-radius:1px;background:var(--accent);}
  .hero h1{
    font-size:clamp(34px,4.4vw,52px);line-height:1.18;letter-spacing:-0.01em;
    margin-bottom:20px;
  }
  .hero-sub{
    font-size:18px;line-height:1.75;color:var(--ink-2);max-width:620px;
    margin-bottom:28px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .hero-note{
    border-left:3px solid var(--accent);padding-left:18px;
    font-size:15px;line-height:1.8;color:var(--ink-2);
  }
  .hero-note strong{display:block;font-family:var(--serif);font-size:17px;color:var(--ink);margin-bottom:8px;font-weight:700;}
  .hero-proofs{
    display:flex;gap:0;margin-top:40px;padding-top:22px;
    border-top:1px solid var(--line);
  }
  .hero-proofs > div{
    flex:1;padding:0 20px;border-left:1px solid var(--line);
  }
  .hero-proofs > div:first-child{padding-left:0;border-left:0;}
  .proof-k{
    font-family:var(--serif);font-size:22px;color:var(--brand);
    font-variant-numeric:tabular-nums;line-height:1.3;
  }
  .proof-k small{font-family:var(--sans);font-size:12px;color:var(--ink-3);margin-left:6px;letter-spacing:.04em;}
  .proof-d{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:4px;}

  /* ---------- Section base ---------- */
  .section{padding:88px 0;}
  .section-head{max-width:720px;margin-bottom:40px;}
  .section-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin-bottom:14px;}
  .section-head p{color:var(--ink-2);font-size:16px;line-height:1.8;}
  .section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  /* ---------- Split ---------- */
  .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .split-text h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin-bottom:18px;}
  .split-text p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:24px;}
  .split-media figure{position:relative;}
  .split-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:12px;border:1px solid var(--line);background:var(--surface-alt);
  }
  .split-media figcaption{
    font-size:13px;color:var(--ink-3);margin-top:12px;text-align:center;
  }
  .point-list{border-top:1px solid var(--line);}
  .point-list li{
    display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);
    font-size:15px;line-height:1.75;color:var(--ink-2);
  }
  .point-list li::before{
    content:"";flex-shrink:0;width:6px;height:6px;border-radius:50%;
    background:var(--brand);margin-top:9px;
  }
  .point-list li strong{color:var(--ink);font-weight:600;}

  /* ---------- Steps ---------- */
  .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
  .step{
    position:relative;padding:26px 28px 0 0;
    border-top:1px solid var(--line-strong);
  }
  .step::before{
    content:"";position:absolute;top:-1px;left:0;width:40px;height:3px;
    background:var(--accent);border-radius:2px;
  }
  .step-num{
    font-family:var(--serif);font-size:13px;letter-spacing:.12em;
    color:var(--accent);margin-bottom:12px;display:block;
    font-variant-numeric:tabular-nums;
  }
  .step h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
  .step p{font-size:14px;line-height:1.8;color:var(--ink-2);}

  /* ---------- Rows ---------- */
  .rows{border-top:1px solid var(--line);}
  .row{
    display:grid;grid-template-columns:190px 1fr 150px;gap:24px;
    padding:20px 12px;border-bottom:1px solid var(--line);
    align-items:baseline;transition:background-color .18s ease;
  }
  .row:hover{background:var(--brand-soft);}
  .row-title{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);}
  .row-desc{font-size:15px;line-height:1.75;color:var(--ink-2);}
  .row-meta{
    font-size:13px;color:var(--ink-3);text-align:right;
    font-variant-numeric:tabular-nums;
  }

  /* ---------- Tags ---------- */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;}
  .tag{
    display:inline-flex;align-items:center;height:36px;padding:0 14px;
    border-radius:6px;background:var(--brand-soft);color:var(--brand);
    font-size:13px;letter-spacing:.02em;
    transition:background-color .18s ease,color .18s ease;
  }
  .tag:hover{background:var(--brand);color:#fff;}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
  .faq-aside h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin-bottom:16px;}
  .faq-aside p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-bottom:20px;}
  .faq-aside a{
    display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
    color:var(--brand);border-bottom:2px solid var(--brand-soft);padding-bottom:2px;
    transition:color .18s ease,border-color .18s ease;
  }
  .faq-aside a:hover{color:var(--accent);border-color:var(--accent);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 0;background:none;border:0;text-align:left;cursor:pointer;
    font-family:var(--sans);font-size:16px;font-weight:600;color:var(--ink);
    line-height:1.6;transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
  .faq-icon{
    flex-shrink:0;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
    font-size:20px;line-height:1;color:var(--accent);font-weight:400;
    transition:transform .22s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease;}
  .faq-a > div{overflow:hidden;}
  .faq-a p{
    max-width:640px;padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
  }
  .faq-item.is-open .faq-a{grid-template-rows:1fr;}

  /* ---------- CTA ---------- */
  .cta-section{padding:0 0 96px;}
  .cta-box{
    background:var(--brand-deep);border-radius:var(--radius);
    padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;
    color:#F7F4ED;
  }
  .cta-box h2{color:#F7F4ED;font-size:clamp(24px,2.4vw,30px);line-height:1.35;margin-bottom:14px;}
  .cta-box > div > p{color:rgba(247,244,237,.76);font-size:15px;line-height:1.8;margin-bottom:24px;}
  .cta-list li{
    display:flex;gap:16px;padding:14px 0;
    border-top:1px solid rgba(247,244,237,.16);font-size:14px;line-height:1.75;
  }
  .cta-list li:last-child{border-bottom:1px solid rgba(247,244,237,.16);}
  .cta-list .k{
    flex-shrink:0;min-width:104px;font-size:13px;letter-spacing:.06em;
    color:var(--accent);line-height:1.75;
  }
  .cta-list .v{color:rgba(247,244,237,.84);}
  .form-card{
    background:var(--surface);border-radius:var(--radius);
    padding:28px;box-shadow:var(--shadow-2);color:var(--ink);
  }
  .form-card h3{font-size:19px;margin-bottom:6px;}
  .form-card .form-sub{font-size:13px;color:var(--ink-3);margin-bottom:20px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;line-height:1.6;}
  .field input,.field textarea{
    width:100%;font-family:inherit;font-size:15px;color:var(--ink);
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-sm);height:48px;padding:0 14px;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{height:auto;min-height:92px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
  }
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:18px;}
  .check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex-shrink:0;}
  .form-note{font-size:13px;color:var(--ok);margin-top:12px;line-height:1.7;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--brand-deep);color:#E9EFEC;padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
  .site-footer .logo-text{color:#fff;}
  .site-footer .logo-mark{background:#F7F4ED;}
  .footer-brand p{
    font-size:14px;line-height:1.8;color:rgba(233,239,236,.7);
    margin:16px 0 18px;max-width:340px;
  }
  .footer-contact{font-size:13px;line-height:2;color:rgba(233,239,236,.62);}
  .footer-contact a{color:rgba(233,239,236,.86);transition:color .18s ease;}
  .footer-contact a:hover{color:#fff;}
  .footer-col h3{
    font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--accent);margin-bottom:16px;
  }
  .footer-col ul li{margin-bottom:10px;}
  .footer-col ul a{
    font-size:14px;color:rgba(233,239,236,.74);
    border-bottom:2px solid transparent;padding-bottom:1px;
    transition:color .18s ease,border-color .18s ease;
  }
  .footer-col ul a:hover{color:#fff;border-color:rgba(255,255,255,.6);}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
    font-size:13px;color:rgba(233,239,236,.6);
  }
  .fb-links{display:flex;flex-wrap:wrap;gap:20px;align-items:center;}
  .fb-links a{color:rgba(233,239,236,.72);transition:color .18s ease;}
  .fb-links a:hover{color:#fff;}

  /* ---------- Drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(8,34,30,.45);z-index:70;
    opacity:0;pointer-events:none;transition:opacity .28s ease;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .mobile-drawer{
    position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
    background:var(--bg);z-index:80;padding:24px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease;
    border-left:1px solid var(--line);
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
  .drawer-close{
    width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
    background:var(--surface);color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
  }
  .drawer-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
    margin-bottom:22px;
  }
  .drawer-search input{flex:1;border:0;outline:0;background:transparent;font-family:inherit;font-size:15px;color:var(--ink);}
  .drawer-nav{display:flex;flex-direction:column;margin-bottom:24px;}
  .drawer-nav a{
    font-size:15px;color:var(--ink-2);padding:13px 0;
    border-bottom:1px solid var(--line);transition:color .18s ease;
  }
  .drawer-nav a:hover{color:var(--brand);}
  .drawer-nav a.is-active{color:var(--brand);font-weight:600;}
  .drawer-foot{font-size:13px;line-height:2;color:var(--ink-3);}
  .drawer-foot a{color:var(--brand);}

  /* ---------- Responsive ---------- */
  @media (max-width:1279px){
    .header-link{display:none;}
    .search-box{width:170px;}
    .nav-links{gap:18px;}
  }
  @media (max-width:1099px){
    .search-box{display:none;}
    .nav-links{gap:16px;}
    .nav-links a{font-size:13px;}
  }
  @media (max-width:1023px){
    .nav-links{display:none;}
    .menu-btn{display:flex;}
    .header-inner{height:60px;gap:16px;}
    .header-actions{margin-left:auto;}
    .hero{padding:56px 0 48px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
    .section{padding:64px 0;}
    .split-grid{grid-template-columns:1fr;gap:32px;}
    .steps-grid{grid-template-columns:1fr 1fr;}
    .step{padding:22px 24px 24px 0;}
    .faq-grid{grid-template-columns:1fr;gap:32px;}
    .cta-box{grid-template-columns:1fr;padding:32px;gap:32px;}
    .cta-section{padding:0 0 64px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767px){
    .row{grid-template-columns:1fr;gap:6px;padding:18px 8px;}
    .row-meta{text-align:left;}
    .hero-proofs{flex-direction:column;gap:0;}
    .hero-proofs > div{padding:14px 0;border-left:0;border-top:1px solid var(--line);}
    .hero-proofs > div:first-child{padding-top:0;border-top:0;}
  }
  @media (max-width:639px){
    .container{padding:0 20px;}
    .steps-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-sub{font-size:16px;}
    .hero h1{font-size:30px;}
    .btn{height:46px;padding:0 18px;font-size:15px;}
    .btn-sm{height:40px;font-size:14px;}
    .footer-bottom{flex-direction:column;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category3 */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(25,29,28,.05),0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06),0 18px 40px -18px rgba(25,29,28,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.3;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(247,244,237,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.is-scrolled{background:rgba(247,244,237,.97);border-bottom-color:var(--line);box-shadow:0 8px 22px -20px rgba(25,29,28,.55)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;flex:0 0 auto}
.logo-mark{width:18px;height:18px;background:var(--brand);border-radius:4px;transform:rotate(45deg);box-shadow:inset 0 0 0 4px rgba(255,255,255,.34)}
.logo-text{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:18px;margin-left:6px}
.nav-links a{position:relative;font-size:13.5px;color:var(--ink-2);padding:9px 0;white-space:nowrap;transition:color .18s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s 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}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.command-search{display:flex;align-items:center;gap:8px;width:186px;height:36px;padding:0 10px;background:var(--surface);border:1px solid var(--line);border-radius:10px;transition:border-color .18s ease,box-shadow .18s ease}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.command-search svg{flex:0 0 auto;color:var(--ink-3)}
.command-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink);font-family:inherit}
.command-search input::placeholder{color:var(--ink-3)}
.kbd{flex:0 0 auto;font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:5px;padding:1px 5px;background:var(--surface-alt);font-variant-numeric:tabular-nums}
.header-link{font-size:13.5px;color:var(--ink-2);padding:8px 2px;transition:color .18s ease}
.header-link:hover{color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;transition:border-color .18s ease,background .18s ease}
.nav-toggle:hover{border-color:var(--line-strong);background:var(--surface-alt)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0B312A;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{background:var(--brand-deep);transform:none;box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);padding:6px 0}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:200;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(8,34,30,.45)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);background:var(--bg);padding:20px;overflow-y:auto;box-shadow:var(--shadow-2);animation:drawerIn .22s ease}
@keyframes drawerIn{from{transform:translateX(26px);opacity:.55}to{transform:none;opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:20px;line-height:1}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:16px 0 8px;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink);font-family:inherit}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin:10px 0 18px}
.drawer-nav a{font-size:15px;padding:12px 10px;border-radius:8px;color:var(--ink-2);min-height:44px;display:flex;align-items:center}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-cta{display:block;width:100%}
.drawer-contact{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:2}
.drawer-contact a{color:var(--ink-2)}

/* ---------- hero ---------- */
.page-hero{padding:62px 0 46px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(232,240,236,.55),rgba(247,244,237,0))}
.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:end}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:600;color:var(--accent);margin-bottom:14px}
.hero-title{font-size:clamp(34px,4.2vw,52px);line-height:1.18;letter-spacing:-.01em}
.hero-lead{font-size:17px;color:var(--ink-2);margin-top:16px;max-width:520px}
.hero-right p{font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:430px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- metrics ---------- */
.metrics{padding:44px 0 4px}
.kpi-row{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kpi-item{padding:26px 22px;border-left:1px solid var(--line)}
.kpi-item:first-child{border-left:0}
.kpi-num{font-family:var(--serif);font-size:clamp(26px,3vw,38px);line-height:1.1;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.kpi-unit{font-size:.5em;margin-left:4px;color:var(--ink-2);font-weight:600}
.kpi-desc{font-size:13px;color:var(--ink-3);margin-top:8px;line-height:1.6}
.kpi-note{margin-top:14px;font-size:12.5px;color:var(--ink-3)}

/* ---------- section base ---------- */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap}
.section-title{position:relative;padding-left:14px;font-size:clamp(24px,2.5vw,32px);line-height:1.3}
.section-title::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:2px;background:var(--accent)}
.section-sub{font-size:15px;color:var(--ink-2);max-width:660px;margin-top:12px}

/* ---------- chart ---------- */
.chart-frame{position:relative;aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface-alt)}
.chart-frame img{width:100%;height:100%;object-fit:cover}
.chart-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,34,30,.05),rgba(8,34,30,.16))}
.chart-badge{position:absolute;left:16px;bottom:16px;z-index:2;background:rgba(255,255,255,.94);color:var(--brand);font-size:12px;letter-spacing:.08em;font-weight:600;padding:6px 12px;border-radius:6px;box-shadow:var(--shadow-1)}
.chart-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:26px}
.chart-note{border-top:1px solid var(--line);padding-top:14px}
.chart-note h3{font-size:15.5px;margin-bottom:6px}
.chart-note p{font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- split ---------- */
.split-grid{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
.anchor-nav{position:sticky;top:96px}
.anchor-title{font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:12px;font-weight:600}
.anchor-nav a{display:block;padding:10px 0 10px 16px;border-left:1px solid var(--line);font-size:14px;color:var(--ink-2);transition:color .18s ease,border-color .18s ease,background .18s ease;min-height:44px}
.anchor-nav a:hover{color:var(--brand);background:rgba(232,240,236,.4)}
.anchor-nav a.is-active{color:var(--brand);border-left:2px solid var(--brand);font-weight:600;padding-left:15px}
.split-body article + article{margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}
.split-body h2{font-size:23px;margin-bottom:14px}
.split-body p{font-size:16px;line-height:1.85;color:var(--ink-2)}
.split-body p + p{margin-top:14px}
.dot-list{margin-top:16px;display:grid;gap:10px}
.dot-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{font-size:13px;padding:6px 12px;border-radius:6px;background:var(--brand-soft);color:var(--brand);border:1px solid rgba(15,61,53,.12)}

/* ---------- resource list ---------- */
.res-list{border-top:1px solid var(--line)}
.res-row{display:flex;align-items:center;gap:16px;padding:18px 16px;border-bottom:1px solid var(--line);transition:background .18s ease,padding-left .18s ease}
.res-row:hover{background:var(--brand-soft);padding-left:22px}
.res-row:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.res-badge{flex:0 0 auto;min-width:54px;text-align:center;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--accent);background:var(--accent-soft);border-radius:6px;padding:5px 9px}
.res-main{flex:1 1 auto;min-width:0}
.res-main strong{display:block;font-size:15.5px;font-weight:600;color:var(--ink)}
.res-main em{display:block;font-style:normal;font-size:13px;color:var(--ink-3);margin-top:2px}
.res-size{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.res-arrow{color:var(--ink-3);transition:transform .18s ease,color .18s ease}
.res-row:hover .res-arrow{transform:translateX(4px);color:var(--brand)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside p{font-size:15px;color:var(--ink-2);margin:14px 0 20px;max-width:280px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);border-radius:6px;min-height:44px;transition:color .18s ease}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);border-radius:1px;transition:transform .2s ease,background .2s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg) scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--brand)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px;padding:0 4px 20px}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- cta ---------- */
.cta-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:var(--brand-deep);border-radius:16px;padding:48px;color:#F3EFE6}
.cta-left h2{color:#fff;font-size:clamp(24px,2.4vw,30px)}
.cta-left p{color:rgba(243,239,230,.78);font-size:15px;margin-top:12px;max-width:420px}
.cta-list{margin-top:24px;display:grid;gap:14px}
.cta-list li{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:rgba(243,239,230,.86);line-height:1.7}
.tag-mini{flex:0 0 auto;font-size:12px;font-weight:600;padding:3px 8px;border-radius:5px;background:rgba(180,133,74,.22);color:#E4C79B}
.cta-form{background:var(--surface);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-2);color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink);font-family:inherit;font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin:4px 0 18px;line-height:1.6}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto}
.form-submit{width:100%}
.form-tip{display:none;margin-top:14px;font-size:13px;color:var(--ok);background:var(--brand-soft);border-radius:8px;padding:10px 12px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(243,239,230,.78);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(243,239,230,.14)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:#E4C79B}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;color:rgba(243,239,230,.7)}
.footer-contact{margin-top:18px;font-size:13.5px;line-height:2;color:rgba(243,239,230,.66)}
.footer-contact a{color:rgba(243,239,230,.92);border-bottom:1px solid rgba(243,239,230,.25);transition:border-color .18s ease}
.footer-contact a:hover{border-bottom-color:#fff}
.footer-col h3{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.08em;color:#E4C79B;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,239,230,.74);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:rgba(243,239,230,.55)}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.fb-links a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links,.command-search{display:none}
  .nav-toggle{display:flex}
  .header-right{gap:10px}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:26px;align-items:start}
  .split-grid{grid-template-columns:1fr;gap:30px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
  .anchor-title{width:100%;margin-bottom:2px}
  .anchor-nav a{border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:13.5px;min-height:38px}
  .anchor-nav a.is-active{border-color:var(--brand);border-left-width:1px;padding-left:12px;background:var(--brand-soft)}
  .cta-block{grid-template-columns:1fr;padding:32px;gap:28px}
  .faq-grid{grid-template-columns:1fr;gap:26px}
  .faq-aside p{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .kpi-item{border-top:1px solid var(--line)}
  .kpi-item:nth-child(1),.kpi-item:nth-child(2){border-top:0}
  .kpi-item:nth-child(odd){border-left:0}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero{padding:44px 0 34px}
  .hero-lead{font-size:16px}
  .chart-notes{grid-template-columns:1fr;gap:16px}
  .res-size{display:none}
  .cta-form{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .metrics{padding:32px 0 0}
}
@media (max-width:640px){
  .header-inner{height:60px}
  .logo-text{font-size:17.5px}
  .hero-title{font-size:31px}
  .kpi-item{padding:20px 16px}
  .cta-block{padding:20px;border-radius:14px}
  .cta-form{padding:18px}
  .res-row{gap:12px;padding:16px 12px}
  .res-main strong{font-size:14.5px}
  .res-badge{min-width:46px;padding:4px 7px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category4 */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --shadow-1:0 1px 2px rgba(25,29,28,.05),0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06),0 18px 40px -18px rgba(25,29,28,.22);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
}
*,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  font-weight:600;
  margin:0;
  letter-spacing:-.005em;
  line-height:1.3;
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

/* ---------- 容器与板块 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(26px,2.6vw,34px)}
.section-head .sub{
  color:var(--ink-2);
  font-size:15px;
  max-width:520px;
  margin-top:10px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:3px;height:14px;
  background:var(--accent);
  display:inline-block;
  border-radius:2px;
}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0B2F29;transform:translateY(-1px)}
.btn-primary:active{background:var(--brand-deep);transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.btn .arrow{transition:transform .18s ease;display:inline-block}
.btn:hover .arrow{transform:translateX(3px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);font-weight:500;
  transition:color .18s ease;
}
.link-arrow .arrow{transition:transform .18s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover .arrow{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.02em;
  background:var(--accent-soft);
  color:var(--accent);
}
.badge--brand{background:var(--brand-soft);color:var(--brand)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:68px;
  background:rgba(247,244,237,.86);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,244,237,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:20px;height:20px;
  background:var(--brand);
  border-radius:4px;
  position:relative;
  transform:rotate(45deg);
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  background:var(--bg);
  border-radius:1px;
}
.logo-text{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--brand-deep);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:14px;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--brand);
  transition:width .18s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--brand-deep);font-weight:600}
.nav-links a.is-active::after{width:100%}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:200px;
  height:36px;
  padding:0 10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--ink-3);
  font-size:13px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:hover{border-color:var(--line-strong)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search-box svg{flex-shrink:0;opacity:.7}
.search-box input{
  border:0;outline:0;background:transparent;
  width:100%;font-size:13px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;
  line-height:1;
  padding:3px 5px;
  border:1px solid var(--line);
  border-radius:5px;
  color:var(--ink-3);
  background:var(--surface-alt);
  white-space:nowrap;
}
.header-link{
  font-size:14px;
  color:var(--ink-2);
  padding:8px 2px;
  transition:color .18s ease;
}
.header-link:hover{color:var(--brand)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--surface);
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(88vw,360px);
  background:var(--bg);
  border-left:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transform:translateX(102%);
  transition:transform .26s ease;
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);
  font-size:18px;color:var(--ink-2);
}
.drawer .search-box{width:100%;height:44px;margin-bottom:18px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  padding:14px 4px;
  font-size:15px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--brand);font-weight:600}
.drawer .btn{margin-top:20px;width:100%;height:46px}
.drawer-contact{
  margin-top:22px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.9;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.drawer-contact a{color:var(--brand)}
.scrim{
  position:fixed;inset:0;background:rgba(8,34,30,.36);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:70;
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:22px 0 0;
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumbs a{color:var(--ink-3);transition:color .18s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--ink)}

/* ---------- Hero（半幅背景） ---------- */
.hero{padding:32px 0 0}
.hero-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:48px;
  align-items:center;
  padding-bottom:56px;
}
.hero h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--brand-deep);
}
.hero .lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:540px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-evidence{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-evidence li{
  padding:0 22px;
  border-left:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}
.hero-evidence li:first-child{padding-left:0;border-left:0}
.hero-evidence strong{
  display:block;
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:20px;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
}
.hero-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/12;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(15,61,53,.25);
}
.media-tag{
  position:absolute;
  left:20px;
  bottom:20px;
  z-index:2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
  font-size:13px;
  color:var(--ink-2);
  line-height:1.5;
}
.media-tag strong{
  display:block;
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:22px;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}

/* ---------- 观察维度（行式列表） ---------- */
.observe-list{border-top:1px solid var(--line)}
.observe-list li{
  display:grid;
  grid-template-columns:64px 1fr 240px;
  gap:24px;
  align-items:center;
  padding:26px 8px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.observe-list li:hover{background:var(--brand-soft)}
.observe-list .idx{
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:20px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.observe-list h3{font-size:19px;margin-bottom:6px}
.observe-list p{font-size:14px;color:var(--ink-2);line-height:1.75}
.observe-list .tail{
  font-size:13px;
  color:var(--ink-3);
  text-align:right;
  font-variant-numeric:tabular-nums;
}

/* ---------- 案例卡片 ---------- */
.case-large{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-large::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
  z-index:3;
}
.case-large:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.case-large:hover::before{transform:scaleX(1)}
.case-large .figure{
  position:relative;
  min-height:320px;
  border-right:1px solid var(--line);
  background:var(--surface-alt);
}
.case-large .figure img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.case-large .body{padding:36px}
.case-large h3{
  font-size:26px;
  line-height:1.35;
  margin:14px 0 12px;
  color:var(--brand-deep);
}
.case-large .desc{font-size:15px;color:var(--ink-2);line-height:1.85}
.case-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.case-metrics div{
  padding-right:14px;
  border-left:1px solid var(--line);
  padding-left:16px;
}
.case-metrics div:first-child{border-left:0;padding-left:0}
.case-metrics strong{
  display:block;
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:26px;
  color:var(--brand);
  line-height:1.3;
  font-variant-numeric:tabular-nums;
}
.case-metrics span{
  font-size:12px;
  color:var(--ink-3);
  letter-spacing:.02em;
}
.case-small-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:24px;
}
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  position:relative;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
  z-index:3;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.case-card:hover::before{transform:scaleX(1)}
.case-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
}
.case-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-card h3{font-size:19px;line-height:1.5}
.case-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.case-card .foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 引言块 ---------- */
.quote-block{
  background:var(--surface-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.quote-inner{
  max-width:720px;
  margin:0 auto;
  padding:72px 24px;
  text-align:center;
}
.quote-inner blockquote{
  margin:0;
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.6;
  color:var(--brand-deep);
}
.quote-inner cite{
  display:block;
  margin-top:24px;
  font-size:13px;
  font-style:normal;
  color:var(--ink-3);
  letter-spacing:.04em;
}
.quote-mark{
  font-family:Georgia,serif;
  font-size:48px;
  line-height:1;
  color:var(--accent);
  opacity:.5;
  display:block;
  margin-bottom:12px;
}

/* ---------- 对比表 ---------- */
.compare-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  overflow:hidden;
}
.compare-head{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.compare-head > div{padding:16px 22px}
.compare-head > div + div{border-left:1px solid var(--line)}
.compare-head .after{color:var(--brand);font-weight:600}
.compare-row{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  border-bottom:1px solid var(--line);
  font-size:15px;
  transition:background .18s ease;
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:var(--brand-soft)}
.compare-row > div{padding:18px 22px;color:var(--ink-2);line-height:1.7}
.compare-row > div + div{border-left:1px solid var(--line)}
.compare-row .key{color:var(--ink);font-weight:500}
.compare-row .after{
  color:var(--brand-deep);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.compare-note{
  margin-top:14px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.faq-aside h2{font-size:clamp(26px,2.6vw,34px);margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-aside .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .icon{
  flex-shrink:0;
  width:22px;height:22px;
  position:relative;
  transition:transform .22s ease;
}
.faq-item summary .icon::before,
.faq-item summary .icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--accent);
  transform:translate(-50%,-50%);
}
.faq-item summary .icon::before{width:14px;height:2px}
.faq-item summary .icon::after{width:2px;height:14px;transition:opacity .2s ease}
.faq-item[open] summary .icon::after{opacity:0}
.faq-item[open] summary .icon{transform:rotate(180deg)}
.faq-item .answer{
  max-width:640px;
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- CTA 深色区 ---------- */
.cta-section{padding:0 0 88px}
.cta-block{
  background:var(--brand-deep);
  color:#F4F1E8;
  border-radius:var(--r-card);
  padding:48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.cta-block h2{
  font-size:clamp(24px,2.4vw,32px);
  color:#fff;
  line-height:1.35;
  margin-bottom:16px;
}
.cta-block .cta-lead{
  font-size:15px;
  line-height:1.85;
  color:rgba(244,241,232,.78);
  max-width:420px;
}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.7;
  color:rgba(244,241,232,.82);
}
.cta-points .tag{
  flex-shrink:0;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--accent-soft);
  background:rgba(180,133,74,.24);
  border:1px solid rgba(180,133,74,.45);
  border-radius:var(--r-badge);
  padding:2px 8px;
  line-height:1.7;
}
.cta-form{
  background:var(--surface);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-2);
  color:var(--ink);
}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:6px;
}
.field input,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--surface);
  font-size:15px;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{
  height:auto;
  min-height:96px;
  padding:12px 14px;
  resize:vertical;
  line-height:1.7;
}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft);
}
.field input:invalid:not(:placeholder-shown){border-color:var(--danger)}
.check-row{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--ink-2);
  line-height:1.7;
  margin:4px 0 18px;
}
.check-row input{
  width:16px;height:16px;
  margin-top:3px;
  accent-color:var(--brand);
  flex-shrink:0;
}
.check-row a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.cta-form .btn{width:100%}
.form-hint{
  margin-top:12px;
  font-size:12px;
  color:var(--ink-3);
  text-align:center;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(244,241,232,.78);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:var(--accent)}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(244,241,232,.7);
  max-width:340px;
}
.footer-contact{
  margin-top:18px;
  font-size:14px;
  line-height:2;
  color:rgba(244,241,232,.7);
}
.footer-contact a{color:#fff;transition:color .18s ease}
.footer-contact a:hover{color:var(--accent)}
.footer-col h3{
  font-family:inherit;
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(244,241,232,.62);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;
  color:rgba(244,241,232,.78);
  position:relative;
  transition:color .18s ease;
}
.footer-col a:hover{color:#fff}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  height:2px;width:0;
  background:var(--accent);
  transition:width .18s ease;
}
.footer-col a:hover::after{width:100%}
.footer-bottom{
  border-top:1px solid rgba(244,241,232,.14);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(244,241,232,.58);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.footer-bottom a{color:rgba(244,241,232,.72);transition:color .18s ease}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .search-box{display:none}
  .header-link{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:44px}
  .hero-media img{aspect-ratio:16/9}
  .case-large{grid-template-columns:1fr}
  .case-large .figure{min-height:0;border-right:0;border-bottom:1px solid var(--line);aspect-ratio:16/9}
  .case-large .figure img{position:static;height:100%}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-block{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .observe-list li{grid-template-columns:44px 1fr;gap:16px}
  .observe-list .tail{grid-column:2;text-align:left}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .case-small-grid{grid-template-columns:1fr}
  .case-large .body{padding:24px}
  .case-metrics{grid-template-columns:1fr;gap:14px}
  .case-metrics div{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:12px}
  .case-metrics div:first-child{border-top:0;padding-top:0}
  .compare-head,.compare-row{grid-template-columns:1fr}
  .compare-head > div + div,.compare-row > div + div{
    border-left:0;
    border-top:1px solid var(--line);
  }
  .compare-head{display:none}
  .compare-row > div::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    letter-spacing:.06em;
    color:var(--ink-3);
    margin-bottom:4px;
  }
  .quote-inner{padding:48px 20px}
  .cta-section{padding-bottom:56px}
  .cta-block{padding:28px}
  .cta-form{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-evidence li{padding:0 16px}
  .hero-evidence li:first-child{padding-left:0}
}
@media (max-width:520px){
  .site-header{height:60px}
  .header-inner{gap:12px}
  .logo-text{font-size:17px}
  .hero-actions .btn{width:100%}
  .hero-evidence{flex-direction:column;gap:14px}
  .hero-evidence li{border-left:0;padding:0;border-top:1px solid var(--line);padding-top:12px;width:100%}
  .hero-evidence li:first-child{border-top:0;padding-top:0}
  .observe-list li{padding:20px 2px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
    --brand:#0F3D35;
    --brand-deep:#08221E;
    --brand-soft:#E8F0EC;
    --accent:#B4854A;
    --accent-soft:#F1E6D6;
    --bg:#F7F4ED;
    --surface:#FFFFFF;
    --surface-alt:#EFEAE0;
    --line:#E1DACD;
    --line-strong:#CFC6B4;
    --ink:#191D1C;
    --ink-2:#4E5653;
    --ink-3:#808783;
    --danger:#A6432D;
    --ok:#2F6E52;
    --shadow-1:0 1px 2px rgba(25,29,28,.05), 0 8px 24px -12px rgba(25,29,28,.14);
    --shadow-2:0 1px 2px rgba(25,29,28,.06), 0 18px 40px -18px rgba(25,29,28,.22);
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --r-badge:6px;
  }
  *,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  .font-serif,
  .logo-text,
  .page-title,
  .sec-title,
  .clause-title,
  .state-title,
  .quote-line,
  .stat-num{
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button{font:inherit;cursor:pointer;color:inherit}
  input,textarea,select{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
  @media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,237,.94);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1)}
  .header-inner{display:flex;align-items:center;gap:18px;height:68px}
  .logo{display:inline-flex;align-items:center;gap:9px;flex:none;min-height:44px}
  .logo-mark{
    position:relative;width:20px;height:20px;background:var(--brand);
    transform:rotate(45deg);border-radius:4px;flex:none;
  }
  .logo-mark::after{content:"";position:absolute;inset:6px;background:var(--accent);border-radius:1px}
  .logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink);line-height:1}
  .nav-links{display:flex;align-items:center;gap:22px;flex:none}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;height:44px;
    font-size:14px;color:var(--ink-2);white-space:nowrap;
    transition:color .18s ease;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;
    transition:transform .18s ease;
  }
  .nav-links a:hover{color:var(--ink)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a.is-active{color:var(--ink);font-weight:600}
  .nav-links a.is-active::after{transform:scaleX(1)}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
  .search-box{
    display:flex;align-items:center;gap:8px;width:200px;height:36px;
    padding:0 10px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
  .search-box svg{flex:none;color:var(--ink-3)}
  .search-box input{
    width:100%;border:0;background:transparent;outline:none;
    font-size:13px;color:var(--ink);
  }
  .search-box input::placeholder{color:var(--ink-3)}
  .search-box kbd{
    flex:none;font-family:inherit;font-size:11px;line-height:1;
    padding:3px 5px;border:1px solid var(--line);border-radius:4px;
    color:var(--ink-3);background:var(--surface-alt);
  }
  .header-link{
    display:inline-flex;align-items:center;height:44px;font-size:14px;
    color:var(--ink-2);transition:color .18s ease;
  }
  .header-link:hover{color:var(--ink)}
  .icon-btn{
    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);transition:border-color .18s ease,background .18s ease;
  }
  .icon-btn:hover{border-color:var(--brand);background:var(--brand-soft)}
  @media (max-width:1099px){
    .nav-links{gap:16px}
    .nav-links a{font-size:13px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .search-box{display:none}
    .header-link{display:none}
    .icon-btn{display:inline-flex}
    .header-inner{height:64px;gap:10px}
  }
  @media (max-width:519px){
    .header-actions .btn-primary{display:none}
    .logo-text{font-size:17px}
  }

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-btn);
    border:1px solid transparent;font-size:15px;font-weight:600;
    text-align:center;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn:active{transform:translateY(0)}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:#0C322B;transform:translateY(-1px);box-shadow:var(--shadow-1)}
  .btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  }
  .link-arrow span{transition:transform .18s ease}
  .link-arrow:hover span{transform:translateX(4px)}

  /* ============ Drawer ============ */
  .drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .2s ease,visibility .2s ease}
  .drawer.is-open{visibility:visible;opacity:1}
  .drawer-mask{position:absolute;inset:0;background:rgba(8,34,30,.5)}
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);
    background:var(--bg);padding:20px;overflow-y:auto;
    display:flex;flex-direction:column;gap:18px;
    transform:translateX(100%);transition:transform .24s ease;
  }
  .drawer.is-open .drawer-panel{transform:translateX(0)}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-nav{display:grid;gap:2px;border-top:1px solid var(--line);padding-top:10px}
  .drawer-nav a{
    display:flex;align-items:center;min-height:46px;font-size:15px;color:var(--ink-2);
    border-bottom:1px solid var(--line);transition:color .18s ease,padding-left .18s ease;
  }
  .drawer-nav a:hover{color:var(--brand);padding-left:6px}
  .drawer-nav a.is-active{color:var(--brand);font-weight:600}
  .drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn)}
  .drawer-search input{width:100%;border:0;background:transparent;outline:none;font-size:15px}
  .drawer-foot{border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--ink-2);line-height:2}
  .drawer-foot a{color:var(--brand);font-weight:600}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;
    padding:44px 0 56px;
    background-image:linear-gradient(180deg,rgba(247,244,237,.96) 0%,rgba(247,244,237,.99) 62%,rgba(247,244,237,1) 100%),url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
  }
  @media (min-width:1024px){.page-hero{padding:56px 0 72px}}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
  .breadcrumb a{transition:color .18s ease}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:var(--line-strong)}
  .breadcrumb .current{color:var(--ink)}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:end}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.4fr .6fr;gap:56px}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.08em;color:var(--accent);
    background:var(--accent-soft);border-radius:var(--r-badge);
    padding:5px 10px;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
  .page-title{
    font-size:clamp(34px,4.4vw,52px);line-height:1.18;letter-spacing:-.01em;
    font-weight:700;margin:0 0 18px;
  }
  .hero-sub{
    font-size:17px;line-height:1.8;color:var(--ink-2);
    max-width:600px;margin:0 0 28px;
  }
  @media (min-width:768px){.hero-sub{font-size:18px}}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
  .hero-proof{
    display:flex;flex-wrap:wrap;gap:10px 24px;
    font-size:13px;color:var(--ink-3);
    border-top:1px solid var(--line);padding-top:18px;max-width:620px;
  }
  .hero-proof span{display:inline-flex;align-items:center;gap:7px}
  .hero-proof span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent)}
  .status-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--shadow-1);
  }
  .status-head{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px solid var(--line)}
  .status-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(47,110,82,.14)}
  .status-label{font-size:13px;color:var(--ink-3);letter-spacing:.06em}
  .status-value{margin-left:auto;font-size:14px;font-weight:600;color:var(--ok)}
  .status-list{display:grid;gap:0;margin:4px 0 14px}
  .status-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--ink-3)}
  .status-list li:last-child{border-bottom:0}
  .status-list strong{font-size:13px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
  .status-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand)}
  .status-link span{transition:transform .18s ease}
  .status-link:hover span{transform:translateX(4px)}

  /* ============ Sections ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:92px 0}}
  .section--paper{background:var(--surface)}
  .section--alt{background:var(--surface-alt)}
  .sec-head{max-width:720px;margin-bottom:30px}
  @media (min-width:1024px){.sec-head{margin-bottom:40px}}
  .sec-title{
    font-size:clamp(26px,2.6vw,34px);line-height:1.3;font-weight:700;margin:0 0 12px;
    padding-left:14px;position:relative;
  }
  .sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;background:var(--accent);border-radius:2px}
  .sec-desc{margin:0;font-size:16px;line-height:1.85;color:var(--ink-2)}

  /* ============ 保障图文 ============ */
  .guard-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
  @media (min-width:960px){.guard-grid{grid-template-columns:1fr 1fr;gap:56px}}
  .guard-list{display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line)}
  .guard-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
  .guard-num{
    flex:none;width:34px;height:34px;border:1px solid var(--line-strong);border-radius:8px;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:600;color:var(--accent);
    font-variant-numeric:tabular-nums;background:var(--surface);
  }
  .guard-item h3{font-size:17px;font-weight:700;margin:0 0 4px;line-height:1.5}
  .guard-item p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}
  .figure-frame{
    border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
    background:var(--surface-alt);box-shadow:var(--shadow-1);
  }
  .figure-frame img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
  .figure-cap{font-size:13px;color:var(--ink-3);margin-top:10px;text-align:center}

  /* ============ 条款正文 ============ */
  .clause-wrap{max-width:760px}
  .clause{padding:26px 0;border-top:1px solid var(--line)}
  .clause:first-child{border-top:0;padding-top:0}
  .clause-num{
    display:block;font-size:13px;letter-spacing:.08em;color:var(--accent);
    font-variant-numeric:tabular-nums;margin-bottom:6px;
  }
  .clause-title{font-size:20px;line-height:1.45;font-weight:700;margin:0 0 10px}
  .clause p{margin:0 0 10px;font-size:16px;line-height:1.85;color:var(--ink-2)}
  .clause p:last-child{margin-bottom:0}
  .clause ul{margin-top:10px;display:grid;gap:8px}
  .clause ul li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--ink-2)}
  .clause ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
  .clause-note{
    margin-top:14px;padding:14px 18px;background:var(--surface-alt);
    border-left:3px solid var(--brand);border-radius:0 8px 8px 0;
    font-size:14px;line-height:1.8;color:var(--ink-2);
  }

  /* ============ 双栏清单 ============ */
  .two-col{display:grid;grid-template-columns:1fr;gap:22px}
  @media (min-width:860px){.two-col{grid-template-columns:1fr 1fr;gap:32px}}
  .panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;transition:box-shadow .2s ease,transform .2s ease;
  }
  .panel:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
  .panel-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line)}
  .panel-tag{
    font-size:12px;letter-spacing:.06em;padding:4px 9px;border-radius:var(--r-badge);
    background:var(--brand-soft);color:var(--brand);font-weight:600;
  }
  .panel-tag--accent{background:var(--accent-soft);color:var(--accent)}
  .panel h3{font-size:19px;font-weight:700;margin:0;line-height:1.4}
  .panel ul{display:grid;margin-top:6px}
  .panel li{
    display:flex;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);
    font-size:15px;line-height:1.75;color:var(--ink-2);
  }
  .panel li:last-child{border-bottom:0;padding-bottom:0}
  .panel li svg{flex:none;margin-top:5px;color:var(--ok)}
  .panel--bound li svg{color:var(--accent)}

  /* ============ 时间线 ============ */
  .timeline-layout{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:960px){.timeline-layout{grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}}
  .timeline{position:relative;padding-left:26px;margin-top:4px}
  .timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line-strong)}
  .tl-item{position:relative;padding-bottom:28px}
  .tl-item:last-child{padding-bottom:0}
  .tl-dot{
    position:absolute;left:-26px;top:9px;width:9px;height:9px;border-radius:50%;
    background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);
  }
  .tl-when{display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:4px}
  .tl-item h3{font-size:18px;font-weight:700;margin:0 0 6px;line-height:1.45}
  .tl-item p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}

  /* ============ FAQ ============ */
  .faq-layout{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:960px){.faq-layout{grid-template-columns:.9fr 1.4fr;gap:64px;align-items:start}}
  .faq-aside p{font-size:15px;line-height:1.85;color:var(--ink-2);margin:0 0 18px}
  .faq-aside .faq-contact{
    display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--ink-2);
    padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  }
  .faq-aside .faq-contact a{color:var(--brand);font-weight:600}
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;background:none;border:0;text-align:left;
    font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
    transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{
    position:relative;flex:none;width:22px;height:22px;border:1px solid var(--line-strong);
    border-radius:50%;transition:transform .22s ease,border-color .18s ease,background .18s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink-2);border-radius:1px;
    transition:background .18s ease,opacity .18s ease;
  }
  .faq-icon::before{left:6px;right:6px;top:50%;height:1.5px;margin-top:-.75px}
  .faq-icon::after{top:6px;bottom:6px;left:50%;width:1.5px;margin-left:-.75px}
  .faq-item.is-open .faq-icon{transform:rotate(135deg);border-color:var(--brand);background:var(--brand-soft)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a p{
    margin:0 0 20px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px;
  }
  .faq-item.is-open .faq-a{max-height:360px}

  /* ============ 联系 CTA ============ */
  .contact-block{
    background:var(--brand-deep);color:#F1ECE1;border-radius:var(--r-card);
    padding:32px 22px;display:grid;grid-template-columns:1fr;gap:32px;
  }
  @media (min-width:640px){.contact-block{padding:40px 32px}}
  @media (min-width:960px){.contact-block{grid-template-columns:1fr 1fr;gap:48px;padding:52px 48px;align-items:start}}
  .contact-block .eyebrow{background:rgba(180,133,74,.22);color:#E7C79A;margin-bottom:16px}
  .contact-block .eyebrow::before{background:#E7C79A}
  .state-title{
    font-size:clamp(24px,2.4vw,30px);line-height:1.3;font-weight:700;margin:0 0 12px;color:#FFFFFF;
  }
  .contact-block p.lead{margin:0 0 22px;font-size:15px;line-height:1.85;color:rgba(241,236,225,.78)}
  .resp-list{display:grid;gap:14px;margin-bottom:24px}
  .resp-list li{display:flex;gap:12px;font-size:14px;line-height:1.75;color:rgba(241,236,225,.86)}
  .resp-list b{
    flex:none;font-weight:600;color:#E7C79A;font-size:12px;letter-spacing:.06em;
    border:1px solid rgba(231,199,154,.45);border-radius:var(--r-badge);
    padding:3px 8px;height:fit-content;white-space:nowrap;
  }
  .contact-meta{display:grid;gap:6px;font-size:14px;color:rgba(241,236,225,.72);border-top:1px solid rgba(241,236,225,.18);padding-top:18px}
  .contact-meta a{color:#FFFFFF;font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s ease}
  .contact-meta a:hover{border-color:var(--accent)}
  .form-card{background:var(--surface);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-2);color:var(--ink)}
  @media (min-width:640px){.form-card{padding:28px}}
  .form-card h3{font-size:18px;font-weight:700;margin:0 0 4px}
  .form-card .form-tip{margin:0 0 18px;font-size:13px;color:var(--ink-3)}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
  .field input,.field textarea,
  .field select{
    width:100%;min-height:48px;padding:11px 14px;
    border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--surface);font-size:15px;line-height:1.5;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{min-height:104px;resize:vertical}
  .field input:focus,.field textarea:focus,.field select:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
  }
  .field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.7;color:var(--ink-2);margin:6px 0 18px}
  .check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex:none}
  .check-row a{color:var(--brand);font-weight:600;border-bottom:1px solid var(--brand-soft)}
  .form-card .btn{width:100%}
  .form-note{margin:12px 0 0;font-size:12px;color:var(--ink-3);line-height:1.7}
  .form-msg{
    display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);
    background:var(--brand-soft);color:var(--brand);font-size:13px;line-height:1.7;
  }
  .form-msg.is-show{display:block}

  /* ============ Footer ============ */
  .site-footer{background:var(--brand-deep);color:#E9E4D8;padding-top:52px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}}
  .footer-brand .logo-mark{background:#F1ECE1}
  .footer-brand .logo-text{color:#FFFFFF}
  .footer-brand p{margin:14px 0 16px;font-size:14px;line-height:1.85;color:rgba(233,228,216,.72);max-width:340px}
  .footer-contact{font-size:13px;line-height:2;color:rgba(233,228,216,.72)}
  .footer-contact a{color:#FFFFFF;border-bottom:1px solid transparent;transition:border-color .18s ease}
  .footer-contact a:hover{border-color:var(--accent)}
  .footer-col h3{
    font-size:13px;letter-spacing:.08em;color:var(--accent);
    font-weight:600;margin:0 0 14px;font-family:inherit;
  }
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{
    font-size:14px;color:rgba(233,228,216,.78);display:inline-block;
    padding-bottom:2px;border-bottom:2px solid transparent;
    transition:color .18s ease,border-color .18s ease;
  }
  .footer-col a:hover{color:#FFFFFF;border-color:var(--accent)}
  .footer-bottom{
    margin-top:40px;border-top:1px solid rgba(233,228,216,.16);
    padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px 20px;
    justify-content:space-between;font-size:13px;color:rgba(233,228,216,.6);
  }
  .fb-links{display:flex;flex-wrap:wrap;gap:16px}
  .fb-links a{color:rgba(233,228,216,.8);transition:color .18s ease}
  .fb-links a:hover{color:#FFFFFF}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  }

/* roulang page: category6 */
:root{
  --brand:#0F3D35;
  --brand-deep:#08221E;
  --brand-soft:#E8F0EC;
  --accent:#B4854A;
  --accent-soft:#F1E6D6;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-alt:#EFEAE0;
  --line:#E1DACD;
  --line-strong:#CFC6B4;
  --ink:#191D1C;
  --ink-2:#4E5653;
  --ink-3:#808783;
  --danger:#A6432D;
  --ok:#2F6E52;
  --shadow-1:0 1px 2px rgba(25,29,28,.05),0 8px 24px -12px rgba(25,29,28,.14);
  --shadow-2:0 1px 2px rgba(25,29,28,.06),0 18px 40px -18px rgba(25,29,28,.22);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Segoe UI,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.serif{font-family:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,237,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.logo-mark{width:20px;height:20px;background:var(--brand);border-radius:4px;transform:rotate(45deg);display:inline-block}
.logo-text{font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;font-size:19px;font-weight:700;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{
  position:relative;font-size:14px;color:var(--ink-2);text-decoration:none;
  padding:8px 0;white-space:nowrap;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width .18s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:200px;height:36px;padding:0 10px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  color:var(--ink-3);transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search-box input{
  border:0;outline:0;background:transparent;font-size:13px;color:var(--ink);
  width:100%;font-family:inherit;
}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;line-height:1;padding:3px 5px;border-radius:5px;
  border:1px solid var(--line-strong);color:var(--ink-3);background:var(--surface-alt);
  white-space:nowrap;
}
.head-link{font-size:14px;color:var(--ink-2);text-decoration:none;padding:8px 2px;transition:color .18s}
.head-link:hover{color:var(--ink)}
.icon-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;
}
.icon-btn:hover{border-color:var(--brand);background:var(--brand-soft)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:inherit;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0b322c;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);text-decoration:none;
}
.link-more span{transition:transform .18s ease}
.link-more:hover span{transform:translateX(3px)}
.link-more:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,34,30,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;
  background:var(--surface);z-index:90;padding:20px;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:16px;overflow-y:auto;
  border-left:1px solid var(--line);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:15px;color:var(--ink);text-decoration:none;
  padding:12px 4px;border-bottom:1px solid var(--line);min-height:44px;
  display:flex;align-items:center;
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-nav a:hover{background:var(--brand-soft)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:18px;color:var(--ink);line-height:1;
}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.9}

/* ---------- hero ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:var(--line-strong)}
.crumb .now{color:var(--ink)}

.status-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  border:1px solid var(--line);background:var(--surface);
  border-radius:10px;padding:10px 16px;margin-top:22px;
  font-size:13px;color:var(--ink-2);
}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(47,110,82,.14);display:inline-block;margin-right:8px;
}
.status-item{display:inline-flex;align-items:center;white-space:nowrap}
.status-item b{color:var(--ink);font-weight:600}

.hero{padding:36px 0 76px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-soft);border-radius:6px;padding:5px 10px;font-weight:600;
}
.hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:clamp(34px,4.4vw,52px);line-height:1.18;letter-spacing:-.01em;
  margin:18px 0 0;color:var(--ink);font-weight:700;
}
.hero-sub{font-size:17px;color:var(--ink-2);margin:16px 0 0;max-width:560px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:0;margin-top:30px;border-top:1px solid var(--line)}
.hero-points div{
  padding:14px 20px 0 0;margin-right:20px;font-size:13px;color:var(--ink-3);
  border-right:1px solid var(--line);
}
.hero-points div:last-child{border-right:0;margin-right:0}
.hero-points b{display:block;font-size:15px;color:var(--ink);font-weight:600;margin-bottom:2px}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(15,61,53,.22);pointer-events:none;
}
.hero-chip{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:var(--surface);border-radius:10px;padding:10px 14px;
  box-shadow:var(--shadow-1);font-size:12px;color:var(--ink-3);line-height:1.5;
}
.hero-chip b{display:block;font-size:16px;color:var(--brand);font-family:"Noto Serif SC",serif}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin:0;color:var(--ink);font-weight:700;
}
.section-desc{font-size:15px;color:var(--ink-2);margin:10px 0 0;max-width:620px}
.eyebrow{
  font-size:12px;letter-spacing:.08em;font-weight:600;color:var(--accent);
  text-transform:none;margin-bottom:10px;display:block;
}

/* ---------- clause ---------- */
.prose-col{max-width:760px}
.clause-item{
  border-top:1px solid var(--line);padding:26px 0;
}
.clause-item:last-child{border-bottom:1px solid var(--line)}
.clause-num{
  font-family:"Noto Serif SC",Georgia,serif;font-size:13px;font-weight:700;
  color:var(--accent);letter-spacing:.08em;display:block;margin-bottom:6px;
}
.clause-item h3{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:20px;line-height:1.45;margin:0 0 8px;color:var(--ink);font-weight:700;
  padding-left:12px;border-left:3px solid var(--brand);
}
.clause-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- two column checklist ---------- */
.split2{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.split-col h3{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:20px;margin:0 0 6px;color:var(--ink);font-weight:700;
  padding-bottom:12px;border-bottom:2px solid var(--brand);
}
.split-col.alt h3{border-bottom-color:var(--line-strong)}
.split-col .lead{font-size:14px;color:var(--ink-3);margin:12px 0 0}
.check-list{list-style:none;margin:18px 0 0;padding:0}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.check-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  background:var(--brand);margin-top:11px;
}
.split-col.alt .check-list li::before{background:var(--accent)}
.check-list b{color:var(--ink);font-weight:600}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;margin-top:8px;max-width:760px}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line-strong);
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--surface);border:1px solid var(--brand);box-sizing:border-box;
}
.tl-item.done::before{background:var(--brand)}
.tl-item h3{
  font-family:"Noto Serif SC",Georgia,serif;font-size:18px;margin:0 0 6px;color:var(--ink);font-weight:700;
}
.tl-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85}
.tl-tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:6px;padding:2px 8px;margin-bottom:8px;
}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--brand);
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:1.6px}
.faq-icon::after{left:10px;top:0;width:1.6px;height:22px;transition:opacity .2s ease}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-answer{
  font-size:15px;color:var(--ink-2);line-height:1.85;max-width:640px;
  margin:0 0 22px;padding-right:32px;
}

/* ---------- contact / cta ---------- */
.cta-band{background:var(--brand-deep);border-radius:14px;padding:48px;color:#F7F4ED}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:start}
.cta-band h2{
  font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  font-size:clamp(24px,2.4vw,32px);line-height:1.32;margin:0 0 14px;color:#F7F4ED;font-weight:700;
}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(247,244,237,.78);margin:0 0 22px}
.cta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(247,244,237,.86)}
.cta-list .tag{
  flex:0 0 auto;font-size:12px;letter-spacing:.06em;color:#F1E6D6;
  background:rgba(247,244,237,.1);border:1px solid rgba(247,244,237,.24);
  border-radius:6px;padding:2px 8px;margin-top:2px;white-space:nowrap;
}
.form-card{background:var(--surface);border-radius:14px;padding:28px;box-shadow:var(--shadow-2)}
.form-card h3{
  font-family:"Noto Serif SC",Georgia,serif;font-size:19px;margin:0 0 4px;color:var(--ink);font-weight:700;
}
.form-card .hint{font-size:13px;color:var(--ink-3);margin:0 0 20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;min-height:44px;padding:11px 12px;font-size:15px;font-family:inherit;
  color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:10px;outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.7;margin:12px 0 0}
.form-msg{font-size:13px;color:var(--ok);margin-top:12px;display:none}
.form-msg.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,244,237,.8);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#F7F4ED}
.footer-brand .logo-mark{background:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.85;margin:0 0 16px;color:rgba(247,244,237,.72)}
.footer-contact{font-size:13px;line-height:2;color:rgba(247,244,237,.72)}
.footer-contact a{color:rgba(247,244,237,.9);text-decoration:none;border-bottom:1px solid rgba(247,244,237,.25)}
.footer-contact a:hover{color:#fff}
.footer-col h3{
  font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--accent);
  margin:0 0 14px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:rgba(247,244,237,.78);text-decoration:none;
  padding-bottom:2px;border-bottom:2px solid transparent;transition:color .18s,border-color .18s;
}
.footer-col a:hover{color:#fff;border-bottom-color:rgba(247,244,237,.6)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,244,237,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(247,244,237,.62);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.fb-links a{color:rgba(247,244,237,.8);text-decoration:none}
.fb-links a:hover{color:#fff;text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links{gap:16px}
  .nav-links a{font-size:13.5px}
  .search-box{width:160px}
  .head-link{display:none}
}
@media (max-width:1023px){
  .nav-links,.search-box,.head-link{display:none}
  .icon-btn{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:28px 0 56px}
  .section{padding:64px 0}
  .split2{grid-template-columns:1fr;gap:36px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hero-sub{font-size:16px}
  .hero-points{flex-direction:column;gap:0}
  .hero-points div{
    border-right:0;border-bottom:1px solid var(--line);
    margin-right:0;padding:12px 0;width:100%;
  }
  .hero-points div:last-child{border-bottom:0}
  .cta-band{padding:24px;border-radius:12px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .clause-item h3{font-size:18px}
  .status-bar{font-size:12px;gap:8px 16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}