/* roulang page: index */
:root{
  --c-deep:#0E3B36;
  --c-deep-2:#0A2C29;
  --c-clay:#C97B4A;
  --c-clay-2:#A85F33;
  --c-jade:#2E8B7A;
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-line:#E2DCD1;
  --c-ink:#1C1B19;
  --c-ink-2:#5C5952;
  --c-ink-3:#8A857C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,59,54,.06);
  --sh-2:0 8px 24px rgba(14,59,54,.10);
  --sh-3:0 16px 40px rgba(14,59,54,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:64px;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (min-width:1024px){body{padding-top:72px;font-size:17px}}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
li{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.32;margin:0}
h1{font-size:32px}
h2{font-size:24px}
h3{font-size:18px}
@media (min-width:1024px){
  h1{font-size:40px}
  h2{font-size:28px}
  h3{font-size:20px}
}
p{margin:0}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.wrap{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.wrap{max-width:1240px}}
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.16em;
  color:var(--c-clay);margin-bottom:12px;
}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px;line-height:1.8}
@media (min-width:1024px){.sec-head{margin-bottom:48px}}

/* ============ header / nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,244,238,.94);
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:var(--sh-2)}
.nav-desktop{display:none}
.brand{
  font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--c-deep);
  letter-spacing:.02em;white-space:nowrap;
}
@media (min-width:1024px){
  .brand{font-size:21px}
  .nav-desktop{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:20px}
  .nav-group{display:flex;align-items:center;gap:2px}
  .nav-left{justify-content:flex-end}
  .nav-right{justify-content:flex-start}
  .nav-link{
    position:relative;display:block;padding:10px 13px;font-size:15px;
    color:var(--c-ink-2);border-radius:8px;transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
    background:var(--c-deep);transform:scaleX(0);transform-origin:left;
    transition:transform .24s ease;
  }
  .nav-link:hover{color:var(--c-deep)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--c-deep);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
}
.nav-mobile{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
@media (min-width:1024px){.nav-mobile{display:none}}
.hamburger{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;background:var(--c-surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-deep);position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-deep);
  transition:transform .22s ease;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.mobile-drawer{
  position:fixed;top:64px;left:0;right:0;z-index:79;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:transform .26s ease,opacity .26s ease,visibility .26s;
  max-height:calc(100vh - 64px);overflow-y:auto;padding-bottom:8px;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.mobile-drawer a{
  display:block;min-height:48px;line-height:48px;padding:0 24px;
  font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease;
}
.mobile-drawer a:hover{background:var(--c-surface-2);color:var(--c-deep)}
.mobile-drawer a.is-active{
  color:var(--c-deep);font-weight:600;border-left-color:var(--c-deep);background:var(--c-surface-2);
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--c-clay);color:#fff}
.btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.10);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-deep{background:var(--c-deep);color:#F7F4EE}
.btn-deep:hover{background:var(--c-deep-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--c-line);color:var(--c-deep);background:var(--c-surface)}
.btn-outline:hover{border-color:var(--c-clay);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn[disabled]{background:var(--c-ink-3);cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-clay);position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;
  background:var(--c-clay);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.text-link:hover::after{transform:scaleX(1)}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  min-height:420px;display:flex;align-items:center;
  padding-top:56px;padding-bottom:56px;
  background:var(--c-deep) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:rgba(14,59,54,.72)}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(103deg,rgba(10,44,41,.72) 0%,rgba(10,44,41,.28) 62%,rgba(10,44,41,.10) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-copy{max-width:620px}
.hero-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;
  color:#E7C7A9;margin-bottom:16px;
}
.hero h1{color:#fff;font-size:30px;line-height:1.28}
@media (min-width:768px){.hero h1{font-size:36px}}
@media (min-width:1024px){
  .hero{min-height:520px;padding-top:88px;padding-bottom:72px}
  .hero h1{font-size:40px}
}
.hero-sub{
  margin-top:18px;color:rgba(247,244,238,.88);font-size:16px;line-height:1.8;max-width:560px;
}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.hero-actions .btn{width:100%}
@media (min-width:640px){
  .hero-actions{flex-direction:row;gap:12px}
  .hero-actions .btn{width:auto}
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-stat .v{font-family:var(--font-serif);font-size:24px;font-weight:700;color:#fff;line-height:1.2}
.hero-stat .u{font-size:12px;color:rgba(247,244,238,.7);margin-left:2px}
.hero-stat .k{font-size:12px;color:rgba(247,244,238,.72);margin-top:4px;line-height:1.5}
@media (min-width:1024px){
  .hero-stats{margin-top:44px;max-width:640px}
  .hero-stat .v{font-size:30px}
}

/* ============ metric board ============ */
.metric-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.metric-card{
  position:relative;overflow:hidden;background:var(--c-deep);color:#F7F4EE;
  border-radius:var(--r-card);padding:28px 24px 24px;box-shadow:var(--sh-1);
}
.metric-card::before{
  content:"";position:absolute;top:0;left:24px;width:36px;height:3px;background:var(--c-clay);
}
.metric-card .v{font-family:var(--font-serif);font-size:34px;font-weight:700;line-height:1.15;color:#fff}
.metric-card .u{font-size:14px;font-weight:500;margin-left:3px;color:#E7C7A9}
.metric-card .k{margin-top:8px;font-size:13px;color:rgba(247,244,238,.72);line-height:1.6}
.metric-card .t{margin-top:14px;font-size:14px;color:#F7F4EE;font-weight:500}

/* ============ service matrix ============ */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2)}
.feature-card{overflow:hidden;display:flex;flex-direction:column}
.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img) var(--r-img) 0 0}
.feature-body{padding:24px}
@media (min-width:1024px){.feature-body{padding:28px}}
.mini-card{padding:22px 24px;display:flex;gap:16px;align-items:flex-start}
.mini-icon,.svc-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  background:var(--c-surface-2);display:flex;align-items:center;justify-content:center;
}
.mini-icon svg,.svc-icon svg{width:20px;height:20px;stroke:var(--c-deep);fill:none;stroke-width:1.5}
.svc-card{padding:26px 24px;height:100%;display:flex;flex-direction:column;gap:12px}
.svc-card h3{font-size:18px}
.svc-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8}
.grid-gap{display:grid;gap:24px}

/* ============ news list ============ */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;
  box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.news-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-cover{position:relative;display:block;border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;
  color:#fff;background:rgba(14,59,54,.72);border:1px solid var(--c-clay);
  backdrop-filter:blur(2px);
}
.news-title{
  margin-top:16px;font-family:var(--font-serif);font-size:18px;font-weight:600;line-height:1.5;
  color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  margin-top:10px;font-size:14px;color:var(--c-ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);gap:12px;
}
.news-meta .go{color:var(--c-clay);font-weight:600;font-size:13px}
.news-card:hover .news-meta .go{text-decoration:underline}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:48px 24px;text-align:center;
}
.empty-state svg{width:36px;height:36px;stroke:var(--c-ink-3);fill:none;stroke-width:1.5;margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--c-ink-2)}

/* ============ compare ============ */
.compare{
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.compare-head{display:grid;grid-template-columns:1fr 1fr;background:var(--c-deep);color:#F7F4EE}
.compare-head div{padding:16px 18px;font-size:14px;font-weight:600}
.compare-head div+div{border-left:1px solid rgba(255,255,255,.14)}
.compare-row{display:grid;grid-template-columns:1fr 1fr}
.compare-row+.compare-row{border-top:1px solid var(--c-line)}
.compare-row:nth-child(even){background:var(--c-surface-2)}
.compare-row>div{padding:16px 18px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.compare-row>div+div{border-left:1px solid var(--c-line);color:var(--c-ink);position:relative;padding-left:34px}
.compare-row>div+div::before{
  content:"";position:absolute;left:18px;top:24px;width:7px;height:7px;border-radius:50%;
  background:var(--c-clay);
}
@media (max-width:639px){
  .compare-head div,.compare-row>div{padding:14px 14px;font-size:13px}
  .compare-row>div+div{padding-left:28px}
  .compare-row>div+div::before{left:14px;top:22px}
}

/* ============ reviews ============ */
.review-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.review-card{padding:26px 24px;height:100%;display:flex;flex-direction:column;gap:14px}
.stars{display:flex;gap:4px}
.stars i{width:14px;height:14px;background:var(--c-clay);display:block;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.review-card blockquote{
  margin:0;font-size:15px;line-height:1.85;color:var(--c-ink-2);
  border-left:3px solid var(--c-clay);padding-left:14px;
}
.review-card .who{font-size:13px;color:var(--c-ink-3)}

/* ============ faq ============ */
.faq-list{display:grid;gap:8px;max-width:880px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  overflow:hidden;transition:background .24s ease,border-color .24s ease;
}
.faq-item[open]{background:var(--c-surface-2);border-color:var(--c-line);box-shadow:inset 3px 0 0 var(--c-clay)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;cursor:pointer;list-style:none;
  font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
@media (min-width:768px){.faq-q{font-size:16px}}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-deep);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item[open] .faq-icon::before{background:var(--c-clay-2)}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:76ch}
.faq-item[open] .faq-a{animation:faqIn .28s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ============ cta form ============ */
.cta-block{
  position:relative;overflow:hidden;background:var(--c-deep);border-radius:16px;
  padding:36px 24px;
}
@media (min-width:1024px){.cta-block{padding:48px}}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(115deg,#fff 0 2px,transparent 2px 14px);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:32px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;gap:48px;align-items:start}}
.cta-copy h2{color:#fff}
.cta-copy p{margin-top:14px;color:rgba(247,244,238,.82);font-size:15px;line-height:1.85;max-width:52ch}
.cta-points{margin-top:24px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(247,244,238,.9)}
.cta-points li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--c-clay);margin-top:9px;
}
.form-card{
  background:var(--c-paper);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2);
}
@media (min-width:1024px){.form-card{padding:28px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;padding:0 14px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:48px}
.field textarea{min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-jade);box-shadow:0 0 0 2px rgba(46,139,122,.28);
}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-deep)}
.check-row label{font-size:13px;color:var(--c-ink-2);line-height:1.7;margin:0;font-weight:400}
.form-tip{font-size:13px;color:var(--c-clay);margin-top:10px;min-height:18px}
.form-tip.ok{color:var(--c-jade)}

/* ============ footer ============ */
.site-footer{background:var(--c-deep);color:#F7F4EE;padding-top:56px;margin-top:56px}
@media (min-width:1024px){.site-footer{padding-top:72px;margin-top:96px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{font-family:var(--font-serif);font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);max-width:40ch}
.footer-contact{margin-top:18px;display:grid;gap:6px;font-size:13px;color:rgba(247,244,238,.72)}
.footer-contact strong{color:#F7F4EE;font-weight:600}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,244,238,.74);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;padding-bottom:24px;
  display:flex;flex-direction:column;gap:8px;
  font-size:13px;color:rgba(247,244,238,.6);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --c-deep:#0E3B36;
  --c-deep-2:#0A2C29;
  --c-clay:#C97B4A;
  --c-clay-2:#A85F33;
  --c-jade:#2E8B7A;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-line:#E2DCD1;
  --c-ink:#1C1B19;
  --c-ink-2:#5C5952;
  --c-ink-3:#8A857C;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,59,54,.06);
  --sh-2:0 8px 24px rgba(14,59,54,.10);
  --sh-3:0 16px 40px rgba(14,59,54,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;line-height:1.3;margin:0;}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;border-radius:4px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.wrap{padding:0 32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:0 8px 24px rgba(14,59,54,.10);}
.nav-desktop{display:none;}
.nav-mobile{display:flex;align-items:center;justify-content:space-between;height:64px;}
@media (min-width:1024px){
  .nav-desktop{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;}
  .nav-mobile{display:none;}
}
.nav-group{display:flex;list-style:none;margin:0;padding:0;gap:26px;}
.nav-left{justify-content:flex-end;}
.nav-right{justify-content:flex-start;}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:15px;color:var(--c-ink-2);transition:color .2s ease;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--c-deep);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-deep);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-deep);
  letter-spacing:.01em;white-space:nowrap;
}
.nav-desktop .brand{padding:0 20px;text-align:center;}
.hamburger{
  position:relative;width:44px;height:44px;padding:0;cursor:pointer;
  border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1);}
.hamburger span,.hamburger span::before,.hamburger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--c-deep);transform:translateX(-50%);
  transition:transform .25s ease,top .25s ease,background .2s ease;
}
.hamburger span{top:50%;margin-top:-1px;}
.hamburger span::before{content:"";left:0;top:-6px;transform:none;}
.hamburger span::after{content:"";left:0;top:6px;transform:none;}
.hamburger[aria-expanded="true"] span{background:transparent;}
.hamburger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.hamburger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.mobile-drawer{
  display:none;background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);max-height:calc(100vh - 64px);overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  border-bottom:1px solid var(--c-line);border-left:3px solid transparent;
  font-size:15px;color:var(--c-ink-2);
}
.mobile-drawer a:hover{background:var(--c-surface-2);color:var(--c-deep);}
.mobile-drawer a.is-active{color:var(--c-deep);font-weight:600;border-left-color:var(--c-deep);background:var(--c-surface-2);}
@media (min-width:1024px){.mobile-drawer{display:none !important;}}
body.menu-open{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;color:var(--c-ink-3);line-height:1.7;
  padding:22px 0 0;word-break:break-word;
}
.crumb a{color:var(--c-ink-3);transition:color .2s ease;}
.crumb a:hover{color:var(--c-deep);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{margin:0 8px;color:#BDB6A9;}

/* ---------- 文章头 ---------- */
.article-head{max-width:780px;margin:0 auto;padding:26px 0 0;}
.article-head h1{
  font-size:32px;font-weight:700;line-height:1.32;color:var(--c-deep);
  word-break:break-word;
}
@media (min-width:768px){.article-head h1{font-size:40px;}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:18px;font-size:13px;color:var(--c-ink-3);
}
.meta-row .bar{color:#CFC8BB;}
.meta-row .tag{
  display:inline-block;border:1px solid var(--c-clay);color:var(--c-clay-2);
  border-radius:999px;padding:1px 10px;font-size:12px;background:rgba(201,123,74,.06);
}
.rule{height:1px;background:var(--c-line);margin:26px 0 34px;}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:780px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--c-ink);
  word-break:break-word;
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:24px;line-height:1.35;color:var(--c-deep);
  margin:2.2em 0 .8em;padding-left:14px;border-left:4px solid var(--c-deep);
}
@media (min-width:768px){.article-body h2{font-size:28px;}}
.article-body h2:first-child{margin-top:0;}
.article-body h3{
  font-size:18px;color:var(--c-clay-2);margin:1.8em 0 .6em;
}
@media (min-width:768px){.article-body h3{font-size:20px;}}
.article-body h4{font-size:17px;color:var(--c-deep);margin:1.6em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.4em;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--c-jade);}
.article-body blockquote{
  margin:1.4em 0;background:var(--c-surface-2);border-left:3px solid var(--c-clay);
  border-radius:0 12px 12px 0;padding:16px 20px;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--c-jade);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-deep);}
.article-body strong{font-weight:600;color:var(--c-deep);}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--sh-1);height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px;}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:2em 0;}
.article-body code{
  background:var(--c-surface-2);border-radius:6px;padding:2px 6px;
  font-size:.9em;color:var(--c-deep);
}
.article-body pre{
  background:var(--c-deep);color:#F7F4EE;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--c-deep);color:#F7F4EE;font-weight:600;text-align:left;
}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:var(--c-surface-2);}
@media (max-width:640px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
.empty-state{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{margin:0 auto 14px;display:block;color:var(--c-ink-3);}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin:0 0 16px;}

/* ---------- 文字链 ---------- */
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-jade);font-size:15px;font-weight:500;
  transition:color .2s ease;
}
.text-link::after{content:"→";transition:transform .2s ease;}
.text-link:hover{color:var(--c-deep);}
.text-link:hover::after{transform:translateX(3px);}

/* ---------- 文末延伸 ---------- */
.post-foot{max-width:780px;margin:64px auto 0;}
.dual-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.dual-grid{grid-template-columns:1fr 1fr;}}
.dual-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.dual-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px);}
.dual-card .kicker{font-size:13px;color:var(--c-ink-3);letter-spacing:.02em;}
.dual-card h3{font-size:18px;margin:10px 0 8px;color:var(--c-deep);}
.dual-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0;}

.related{margin-top:56px;}
.related .eyebrow{
  font-size:12px;letter-spacing:.14em;color:var(--c-jade);
  text-transform:uppercase;margin-bottom:8px;
}
.related h2{font-size:24px;color:var(--c-deep);margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.related-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.pcard{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.pcard:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pcard .thumb{
  position:relative;aspect-ratio:4/3;border-radius:var(--r-img);
  overflow:hidden;background:var(--c-surface-2);
}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.pcard:hover .thumb img{transform:scale(1.04);}
.badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:11px;letter-spacing:.02em;color:var(--c-clay-2);
  border:1px solid var(--c-clay);background:rgba(255,255,255,.94);
  border-radius:999px;padding:3px 10px;
}
.pcard h3{
  font-size:17px;line-height:1.45;margin:14px 0 8px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard p{
  font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard .foot{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);padding-top:12px;
}
.back-row{margin-top:36px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(247,244,238,.82);margin-top:96px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.footer-brand{font-family:var(--font-serif);font-size:20px;font-weight:700;color:#FFFFFF;margin-bottom:12px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);max-width:340px;margin:0;}
.footer-contact{margin-top:18px;display:grid;gap:6px;font-size:13px;color:rgba(247,244,238,.7);}
.footer-contact strong{color:rgba(247,244,238,.9);font-weight:600;}
.footer-col h4{font-family:var(--font-sans);font-size:15px;font-weight:600;color:#FFFFFF;margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s ease;}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(247,244,238,.6);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-clay);color:#FFFFFF;}
.btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{border-color:rgba(14,59,54,.28);color:var(--c-deep);background:transparent;}
.btn-ghost:hover{background:rgba(14,59,54,.06);transform:translateY(-1px);}

/* roulang page: category1 */
:root{
    --c-deep:#0E3B36;
    --c-deep-2:#0A2C29;
    --c-clay:#C97B4A;
    --c-clay-2:#A85F33;
    --c-jade:#2E8B7A;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-surface-2:#EFEAE1;
    --c-line:#E2DCD1;
    --c-ink:#1C1B19;
    --c-ink-2:#5C5952;
    --c-ink-3:#8A857C;
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(14,59,54,.06);
    --sh-2:0 8px 24px rgba(14,59,54,.10);
    --sh-3:0 16px 40px rgba(14,59,54,.14);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:var(--sans);
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.01em;line-height:1.3;margin:0}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
  :focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  .wrap{max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .wrap{padding:0 32px} }
  @media (min-width:1280px){ .wrap{max-width:1240px} }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--c-bg);
    border-bottom:1px solid var(--c-line);
    transition:background .25s ease,box-shadow .25s ease;
  }
  .site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:var(--sh-2)}
  .site-header .wrap{display:flex;align-items:center;min-height:72px}
  .nav-desktop{display:none;grid-template-columns:1fr auto 1fr;align-items:center;width:100%;gap:24px}
  .nav-group{display:flex;gap:26px}
  .nav-left{justify-content:flex-end}
  .nav-right{justify-content:flex-start}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:72px;
    font-size:15px;color:var(--c-ink-2);white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
    background:var(--c-deep);transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--c-deep)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--c-deep);font-weight:500}
  .nav-link.is-active::after{transform:scaleX(1)}
  .brand{
    font-family:var(--serif);font-size:20px;font-weight:700;color:var(--c-deep);
    letter-spacing:.02em;white-space:nowrap;
  }
  .nav-mobile{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:72px}
  .hamburger{
    width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;
    background:var(--c-surface);display:grid;place-items:center;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
  .hamburger span{display:block;width:18px;height:2px;background:var(--c-deep);position:relative;transition:background .2s ease}
  .hamburger span::before,.hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-deep);
    transition:transform .25s ease;
  }
  .hamburger span::before{top:-6px}
  .hamburger span::after{top:6px}
  .hamburger.is-open span{background:transparent}
  .hamburger.is-open span::before{transform:translateY(6px) rotate(45deg)}
  .hamburger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
  .mobile-drawer{
    display:none;flex-direction:column;background:var(--c-surface);
    border-top:1px solid var(--c-line);padding:8px 20px 20px;
  }
  .mobile-drawer.is-open{display:flex}
  .mobile-drawer a{
    display:flex;align-items:center;min-height:48px;padding-left:14px;
    font-size:16px;color:var(--c-ink-2);
    border-left:3px solid transparent;border-bottom:1px solid var(--c-line);
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .mobile-drawer a:last-child{border-bottom:0}
  .mobile-drawer a:hover{background:var(--c-surface-2);color:var(--c-deep)}
  .mobile-drawer a.is-active{border-left-color:var(--c-deep);color:var(--c-deep);font-weight:500;background:var(--c-surface-2)}
  @media (min-width:1024px){
    .nav-desktop{display:grid}
    .nav-mobile{display:none}
    .mobile-drawer{display:none !important}
  }

  /* ---------- hero ---------- */
  .hero-compact{
    position:relative;overflow:hidden;padding:52px 0 56px;
    background-image:linear-gradient(rgba(247,244,238,.95),rgba(247,244,238,.95)),url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--c-line);
  }
  .hero-compact::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(135deg,rgba(14,59,54,.05) 0 2px,transparent 2px 13px);
  }
  .hero-inner{position:relative}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
  .crumbs a{color:var(--c-ink-3);transition:color .2s ease}
  .crumbs a:hover{color:var(--c-deep)}
  .crumbs .sep{color:var(--c-line)}
  .crumbs .current{color:var(--c-ink-2)}
  .hero-compact h1{
    font-size:clamp(28px,4.4vw,40px);color:var(--c-deep);max-width:820px;
    margin-bottom:16px;letter-spacing:.01em;
  }
  .hero-sub{font-size:17px;color:var(--c-ink-2);max-width:640px;line-height:1.8}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
    background:var(--c-surface);border:1px solid var(--c-line);
    font-size:13px;color:var(--c-ink-2);
  }

  /* ---------- sections ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){ .section{padding:96px 0} }
  .section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
  .eyebrow{
    font-size:12px;letter-spacing:.18em;color:var(--c-clay);font-weight:600;
    margin-bottom:10px;
  }
  .section-head{max-width:780px;margin-bottom:44px}
  .section-head h2{font-size:clamp(23px,2.6vw,28px);color:var(--c-deep);margin-bottom:12px}
  .section-head p{font-size:16px;color:var(--c-ink-2)}

  /* ---------- metric cards ---------- */
  .metric-grid{display:grid;gap:24px;grid-template-columns:1fr}
  @media (min-width:640px){ .metric-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .metric-grid{grid-template-columns:repeat(4,1fr)} }
  .metric-card{
    position:relative;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:30px 24px 26px;box-shadow:var(--sh-1);
    transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
  }
  .metric-card::before{
    content:"";position:absolute;top:0;left:24px;width:44px;height:3px;background:var(--c-jade);
  }
  .metric-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px)}
  .metric-num{
    font-family:var(--serif);font-size:40px;line-height:1;color:var(--c-deep);
    font-variant-numeric:tabular-nums;
  }
  .metric-unit{font-size:14px;color:var(--c-ink-3);margin-left:6px;font-family:var(--sans)}
  .metric-label{display:block;margin-top:14px;font-size:15px;font-weight:500;color:var(--c-ink)}
  .metric-note{margin-top:4px;font-size:13px;color:var(--c-ink-3)}

  /* ---------- split blocks ---------- */
  .split-list{display:grid;gap:56px}
  @media (min-width:768px){ .split-list{gap:80px} }
  .split{display:grid;gap:28px;align-items:center;grid-template-columns:1fr}
  @media (min-width:1024px){
    .split{grid-template-columns:1fr 1fr;gap:64px}
    .split.reverse .split-media{order:2}
  }
  .split-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--r-img);box-shadow:var(--sh-1);
  }
  .split-body h3{font-size:20px;color:var(--c-deep);margin-bottom:14px}
  .split-body h3::before{
    content:"";display:inline-block;width:4px;height:16px;background:var(--c-clay);
    margin-right:10px;vertical-align:-2px;border-radius:2px;
  }
  .split-body p{font-size:16px;color:var(--c-ink-2);margin-bottom:18px}
  .dot-list{display:grid;gap:10px;margin-bottom:22px}
  .dot-list li{
    position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);line-height:1.8;
  }
  .dot-list li::before{
    content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-jade);
  }
  .text-link{
    display:inline-flex;align-items:center;gap:6px;position:relative;
    font-size:15px;font-weight:500;color:var(--c-deep);padding-bottom:4px;
  }
  .text-link::after{
    content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
    transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .text-link:hover::after{transform:scaleX(1)}

  /* ---------- stage cards ---------- */
  .stage-grid{display:grid;gap:24px;grid-template-columns:1fr}
  @media (min-width:768px){ .stage-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .stage-grid{grid-template-columns:repeat(3,1fr)} }
  .stage-card{
    display:flex;flex-direction:column;background:var(--c-surface);
    border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;
    box-shadow:var(--sh-1);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  }
  .stage-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-3px)}
  .stage-index{
    font-family:var(--serif);font-size:28px;color:var(--c-clay);line-height:1;
    font-variant-numeric:tabular-nums;margin-bottom:18px;
  }
  .stage-card h3{font-size:18px;color:var(--c-deep);margin-bottom:10px}
  .stage-card p{font-size:15px;color:var(--c-ink-2);flex:1;margin-bottom:20px}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:8px;max-width:880px}
  .faq-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
    overflow:hidden;transition:background .25s ease,box-shadow .25s ease;
  }
  .faq-item[open]{background:var(--c-surface-2);box-shadow:inset 3px 0 0 var(--c-clay)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:14px 20px;font-size:16px;font-weight:500;color:var(--c-ink);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-mark{
    position:relative;flex:0 0 16px;width:16px;height:16px;
  }
  .faq-mark::before,.faq-mark::after{
    content:"";position:absolute;background:var(--c-clay);transition:transform .25s ease,opacity .25s ease;
  }
  .faq-mark::before{left:0;top:7px;width:16px;height:2px}
  .faq-mark::after{left:7px;top:0;width:2px;height:16px}
  .faq-item[open] .faq-mark::after{transform:rotate(90deg);opacity:0}
  .faq-body{padding:0 20px 20px;font-size:16px;color:var(--c-ink-2);line-height:1.85}

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--c-deep);border-radius:16px;
    padding:36px 24px;display:grid;gap:26px;align-items:center;
  }
  @media (min-width:768px){ .cta-band{padding:48px;grid-template-columns:1fr auto} }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);
  }
  .cta-text{position:relative}
  .cta-text h2{font-size:clamp(21px,2.4vw,26px);color:#fff;margin-bottom:12px}
  .cta-text p{font-size:16px;color:rgba(247,244,238,.78);max-width:620px}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;
    border-radius:var(--r-btn);font-size:15px;font-weight:500;white-space:nowrap;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--c-clay);color:#fff}
  .btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-ghost-light{background:transparent;color:#F7F4EE;border:1px solid rgba(247,244,238,.42)}
  .btn-ghost-light:hover{background:rgba(247,244,238,.12);border-color:rgba(247,244,238,.7);transform:translateY(-1px)}
  .btn-ghost-light:active{transform:translateY(0) scale(.99)}
  @media (max-width:767px){
    .cta-actions{flex-direction:column}
    .cta-actions .btn{width:100%}
  }

  /* ---------- footer ---------- */
  .site-footer{background:var(--c-deep);color:rgba(247,244,238,.86);padding-top:64px;margin-top:56px}
  @media (min-width:768px){ .site-footer{margin-top:96px} }
  .footer-grid{display:grid;gap:40px;grid-template-columns:1fr}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr} }
  .footer-brand{font-family:var(--serif);font-size:20px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-desc{font-size:14px;line-height:1.9;color:rgba(247,244,238,.72);max-width:420px}
  .footer-contact{margin-top:16px;display:grid;gap:6px;font-size:14px;color:rgba(247,244,238,.72)}
  .footer-contact strong{color:rgba(247,244,238,.92);font-weight:500}
  .footer-col h4{font-family:var(--serif);font-size:15px;color:#fff;margin-bottom:16px}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s ease}
  .footer-col a:hover{color:#fff}
  .footer-bottom{
    margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 32px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    font-size:13px;color:rgba(247,244,238,.6);
  }

/* roulang page: category3 */
:root{
  --c-deep:#0E3B36;
  --c-deep-2:#0A2C29;
  --c-clay:#C97B4A;
  --c-clay-2:#A85F33;
  --c-jade:#2E8B7A;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-line:#E2DCD1;
  --c-ink:#1C1B19;
  --c-ink-2:#5C5952;
  --c-ink-3:#8A857C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-faq:12px;
  --sh-1:0 1px 2px rgba(14,59,54,.06);
  --sh-2:0 8px 24px rgba(14,59,54,.10);
  --sh-3:0 16px 40px rgba(14,59,54,.14);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
@media (min-width:1280px){.wrap{max-width:1240px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:var(--sh-2)}
.nav-desktop{
  display:none;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  height:72px;
}
.nav-group{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:26px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.brand{
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-deep);
  white-space:nowrap;
  transition:color .2s ease;
}
.brand:hover{color:var(--c-clay)}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-deep);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-deep);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-mobile{display:flex;align-items:center;justify-content:space-between;height:64px}
.hamburger{
  width:46px;height:46px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease;
}
.hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
.hamburger span{position:relative;display:block;width:18px;height:1.5px;background:var(--c-deep);transition:background .2s ease}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--c-deep);
  transition:transform .25s ease,top .25s ease;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger.is-open span{background:transparent}
.hamburger.is-open span::before{top:0;transform:rotate(45deg)}
.hamburger.is-open span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  max-height:0;overflow:hidden;background:var(--c-surface);
  border-top:1px solid transparent;transition:max-height .32s ease,border-color .32s ease;
}
.mobile-drawer.is-open{max-height:560px;border-top-color:var(--c-line)}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:8px 22px;
  font-size:16px;color:var(--c-ink-2);border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.mobile-drawer a:hover{background:var(--c-bg);color:var(--c-deep)}
.mobile-drawer a.is-active{color:var(--c-deep);font-weight:600;border-left-color:var(--c-deep);background:var(--c-surface-2)}
@media (min-width:1024px){
  .nav-desktop{display:grid}
  .nav-mobile,.mobile-drawer{display:none}
}

/* ---------- 通用 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:96px 0}}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  font-weight:600;
  color:var(--c-jade);
  margin-bottom:14px;
}
.section-title{
  font-family:var(--serif);
  font-size:24px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
  color:var(--c-ink);
  margin:0 0 14px;
}
@media (min-width:768px){.section-title{font-size:28px}}
.section-lead{font-size:16px;color:var(--c-ink-2);max-width:760px;margin:0}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-title{
  font-family:var(--serif);
  font-size:18px;
  font-weight:600;
  color:var(--c-ink);
  margin:0 0 10px;
}
.card-text{font-size:15px;color:var(--c-ink-2);margin:0;line-height:1.8}
.card-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:var(--c-surface-2);color:var(--c-jade);margin-bottom:16px;
}
.badge{
  display:inline-block;padding:4px 10px;font-size:12px;border-radius:999px;
  border:1px solid var(--c-clay);color:var(--c-clay-2);background:rgba(201,123,74,.06);
}
.dot{display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--c-jade);margin-right:8px;vertical-align:middle}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-clay);color:#fff}
.btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{border-color:rgba(14,59,54,.35);color:var(--c-deep);background:transparent}
.btn-ghost:hover{background:var(--c-deep);color:var(--c-bg);border-color:var(--c-deep);transform:translateY(-1px)}
.btn-light{background:var(--c-bg);color:var(--c-deep)}
.btn-light:hover{background:var(--c-surface-2);transform:translateY(-1px)}

/* ---------- 紧凑型 Hero ---------- */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;align-items:center;
  padding:52px 0;
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(135deg,rgba(14,59,54,.035) 0 1px,transparent 1px 11px);
  border-bottom:1px solid var(--c-line);
}
.crumb{font-size:13px;color:var(--c-ink-3);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:6px}
.crumb a{color:var(--c-ink-3);transition:color .2s ease}
.crumb a:hover{color:var(--c-deep)}
.hero-h1{
  font-family:var(--serif);
  font-size:30px;
  font-weight:700;
  line-height:1.32;
  letter-spacing:.01em;
  color:var(--c-ink);
  margin:0 0 16px;
  max-width:820px;
}
@media (min-width:768px){.hero-h1{font-size:38px}}
.hero-sub{font-size:16px;color:var(--c-ink-2);margin:0;max-width:640px}
@media (min-width:768px){.hero-sub{font-size:18px}}

/* ---------- 数据条 ---------- */
.statbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:34px 0}
.stat-item{padding-left:0}
.stat-num{
  font-family:var(--serif);
  font-size:32px;font-weight:700;color:var(--c-deep);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:14px;font-weight:500;color:var(--c-ink-3);margin-left:4px;font-family:var(--sans)}
.stat-item p{margin:8px 0 0;font-size:13px;color:var(--c-ink-3);line-height:1.6}

/* ---------- 流程时间轴 ---------- */
.timeline{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.timeline{grid-template-columns:repeat(2,1fr);gap:36px 28px}}
@media (min-width:1024px){.timeline{grid-template-columns:repeat(4,1fr);gap:28px}}
.tl-item{position:relative;padding-left:22px;border-left:1px solid var(--c-line)}
.tl-item::before{
  content:"";position:absolute;left:-3.5px;top:14px;
  width:6px;height:6px;border-radius:999px;background:var(--c-jade);
}
.tl-num{
  font-family:var(--serif);
  font-size:34px;font-weight:700;line-height:1;
  color:var(--c-deep);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-num::after{content:"";display:block;width:30px;height:3px;background:var(--c-clay);margin:14px 0 0}
.tl-title{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--c-ink);margin:16px 0 10px}
.tl-text{font-size:15px;color:var(--c-ink-2);margin:0;line-height:1.8}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:56px}}
.split-img{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-surface-2)}
.split-img img{border-radius:var(--r-img)}
.check-list{list-style:none;margin:24px 0 0;padding:0}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:14px;
  font-size:15px;color:var(--c-ink-2);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;background:var(--c-clay);
}
.check-list strong{color:var(--c-ink);font-weight:600}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-deep);color:var(--c-bg);
  border-radius:16px;padding:40px 28px;
  display:flex;flex-direction:column;gap:24px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
@media (min-width:768px){.cta-band{padding:48px;flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{
  font-family:var(--serif);font-size:24px;font-weight:700;
  margin:0 0 10px;color:#fff;line-height:1.35;
}
@media (min-width:768px){.cta-band h2{font-size:28px}}
.cta-band p{margin:0;font-size:15px;color:rgba(247,244,238,.78);max-width:620px;line-height:1.8}

/* ---------- FAQ ---------- */
details.faq{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-faq);
  margin-bottom:8px;
  overflow:hidden;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
details.faq:hover{box-shadow:var(--sh-1);border-color:#D7CFC2}
details.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;cursor:pointer;
  font-size:16px;font-weight:500;color:var(--c-ink);list-style:none;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--c-clay);
  transition:transform .25s ease;flex:0 0 auto;
}
details.faq[open] summary::after{content:"−"}
details.faq[open]{
  background:var(--c-surface-2);
  border-left:3px solid var(--c-clay);
}
.faq-body{padding:0 22px 20px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.85}
.faq-body p{margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:var(--c-bg);padding:64px 0 0;margin-top:0}
@media (min-width:768px){.site-footer{padding:80px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{font-family:var(--serif);font-size:20px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);margin:0 0 20px;max-width:380px}
.footer-contact div{font-size:13px;color:rgba(247,244,238,.72);margin-bottom:8px}
.footer-contact strong{color:rgba(247,244,238,.92);font-weight:600}
.footer-col h4{font-family:var(--serif);font-size:16px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{
  position:relative;display:inline-block;font-size:14px;color:rgba(247,244,238,.72);
  transition:color .2s ease;
}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:rgba(247,244,238,.6);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.footer-col a:hover{color:#fff}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:52px;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.6);
}

/* roulang page: category2 */
:root{
    --c-deep:#0E3B36;
    --c-deep-2:#0A2C29;
    --c-clay:#C97B4A;
    --c-clay-2:#A85F33;
    --c-jade:#2E8B7A;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-surface-2:#EFEAE1;
    --c-line:#E2DCD1;
    --c-ink:#1C1B19;
    --c-ink-2:#5C5952;
    --c-ink-3:#8A857C;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(14,59,54,.06);
    --sh-2:0 8px 24px rgba(14,59,54,.10);
    --sh-3:0 16px 40px rgba(14,59,54,.14);
    --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --font-body:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  html body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:var(--font-body);
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.3;letter-spacing:.01em;margin:0}
  p{margin:0}
  a{color:inherit}
  body.no-scroll{overflow:hidden}
  .num,time,.metric{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--c-jade);
    outline-offset:2px;
    border-radius:6px;
  }

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){ .wrap{padding-left:32px;padding-right:32px} }
  @media (min-width:1280px){ .wrap{max-width:1240px} }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(247,244,238,.96);
    border-bottom:1px solid var(--c-line);
    transition:background-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.95);
    box-shadow:var(--sh-2);
  }
  .nav-desktop{
    height:72px;
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:24px;
  }
  .nav-group{display:flex;list-style:none;margin:0;padding:0;gap:26px}
  .nav-left{justify-content:flex-end}
  .nav-right{justify-content:flex-start}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:6px 2px;
    font-size:15px;
    color:var(--c-ink-2);
    text-decoration:none;
    white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;
    right:50%;
    bottom:0;
    height:2px;
    background:var(--c-deep);
    transition:left .25s ease,right .25s ease;
  }
  .nav-link:hover{color:var(--c-deep)}
  .nav-link:hover::after,
  .nav-link.is-active::after{left:0;right:0}
  .nav-link.is-active{color:var(--c-deep);font-weight:500}

  .brand{
    font-family:var(--font-display);
    font-size:20px;
    font-weight:700;
    letter-spacing:.02em;
    color:var(--c-deep);
    text-decoration:none;
    white-space:nowrap;
    text-align:center;
  }
  .brand:hover{color:var(--c-deep-2)}

  .nav-mobile{display:none}
  .hamburger{
    width:44px;height:44px;padding:0;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-btn);
    cursor:pointer;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
  .hamburger span{position:relative;display:block;width:18px;height:2px;background:var(--c-deep);border-radius:2px}
  .hamburger span::before,
  .hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-deep);border-radius:2px;
  }
  .hamburger span::before{top:-6px}
  .hamburger span::after{top:6px}

  .mobile-drawer{
    display:none;
    flex-direction:column;
    padding:8px 0 12px;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-3);
  }
  .mobile-drawer.is-open{display:flex}
  .mobile-drawer a{
    display:flex;align-items:center;
    min-height:48px;
    padding:0 24px;
    font-size:15px;
    color:var(--c-ink-2);
    text-decoration:none;
    border-left:3px solid transparent;
    transition:background-color .2s ease,color .2s ease;
  }
  .mobile-drawer a:hover{background:var(--c-surface-2);color:var(--c-deep)}
  .mobile-drawer a.is-active{
    color:var(--c-deep);
    font-weight:500;
    border-left-color:var(--c-deep);
    background:var(--c-surface-2);
  }

  @media (max-width:1023px){
    .nav-desktop{display:none}
    .nav-mobile{
      display:block;
      position:relative;
      height:64px;
    }
    .nav-mobile .hamburger{position:absolute;left:0;top:50%;transform:translateY(-50%)}
    .nav-mobile .brand{
      position:absolute;left:50%;top:50%;
      transform:translate(-50%,-50%);
      font-size:17px;
    }
  }

  /* ---------- 紧凑型页头 ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background:var(--c-bg);
    border-bottom:1px solid var(--c-line);
    padding:52px 0 44px;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(14,59,54,.05) 0,rgba(14,59,54,.05) 1px,transparent 1px,transparent 12px);
    pointer-events:none;
  }
  .page-hero .wrap{position:relative;z-index:1}
  .page-hero h1{
    font-size:32px;
    color:var(--c-deep);
    max-width:880px;
    margin:14px 0 12px;
  }
  .hero-sub{font-size:17px;color:var(--c-ink-2);max-width:640px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
  .tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:999px;
    font-size:12px;
    color:var(--c-ink-2);
  }
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
  .crumb a{color:var(--c-ink-3);text-decoration:none;transition:color .2s ease}
  .crumb a:hover{color:var(--c-deep)}
  @media (min-width:768px){
    .page-hero{padding:60px 0 52px}
    .page-hero h1{font-size:40px}
    .hero-sub{font-size:18px}
  }

  /* ---------- 板块 ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){ .section{padding:96px 0} }
  .section-tight{padding:40px 0}
  @media (min-width:768px){ .section-tight{padding:64px 0} }

  .sec-head{margin-bottom:32px}
  .eyebrow{
    font-size:12px;
    letter-spacing:.14em;
    color:var(--c-clay);
    font-weight:500;
    margin-bottom:10px;
  }
  .sec-head h2{font-size:24px;color:var(--c-deep)}
  @media (min-width:768px){ .sec-head h2{font-size:28px} }
  .sec-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;max-width:680px}

  /* ---------- 目录 ---------- */
  .toc-title{
    font-family:var(--font-display);
    font-size:15px;
    color:var(--c-deep);
    margin-bottom:12px;
  }
  .toc-list{
    display:flex;
    gap:8px;
    list-style:none;
    margin:0;
    padding:0 0 4px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .toc-list::-webkit-scrollbar{display:none}
  .toc-list a{
    display:block;
    white-space:nowrap;
    padding:8px 14px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:999px;
    font-size:13px;
    color:var(--c-ink-2);
    text-decoration:none;
    transition:color .2s ease,border-color .2s ease,background-color .2s ease;
  }
  .toc-list a:hover{color:var(--c-deep);border-color:var(--c-clay);background:var(--c-surface-2)}
  @media (min-width:1024px){
    .toc-aside{position:sticky;top:104px;align-self:start}
    .toc-title{margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
    .toc-list{display:block;overflow:visible;padding:0}
    .toc-list li{margin-bottom:4px}
    .toc-list a{
      border:0;
      border-left:2px solid transparent;
      border-radius:8px;
      padding:9px 12px;
      font-size:14px;
      background:transparent;
    }
    .toc-list a:hover{background:var(--c-surface);border-left-color:var(--c-clay)}
  }

  /* ---------- 正文排版 ---------- */
  .doc-body{max-width:780px}
  .doc-body h2{
    font-size:24px;
    color:var(--c-deep);
    margin:2.2em 0 .8em;
    padding-left:14px;
    border-left:4px solid var(--c-deep);
    scroll-margin-top:104px;
  }
  @media (min-width:768px){ .doc-body h2{font-size:28px} }
  .doc-body > h2:first-child{margin-top:0}
  .doc-body h3{
    font-size:18px;
    font-weight:600;
    color:var(--c-clay-2);
    margin:1.8em 0 .6em;
  }
  .doc-body p{margin:0 0 1.15em;color:var(--c-ink);line-height:1.9}
  .doc-body p:last-child{margin-bottom:0}
  .doc-body strong{font-weight:600;color:var(--c-deep)}
  .doc-list{
    margin:0 0 1.4em;
    padding-left:1.4em;
    color:var(--c-ink);
  }
  .doc-list li{margin-bottom:.5em;line-height:1.85}
  .doc-list li::marker{color:var(--c-clay);font-variant-numeric:tabular-nums}

  .doc-figure{margin:28px 0}
  .doc-figure img{width:100%;border-radius:var(--r-img);border:1px solid var(--c-line)}
  .doc-figure figcaption{
    margin-top:10px;
    text-align:center;
    font-size:13px;
    color:var(--c-ink-3);
  }

  .inset-card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-left:3px solid var(--c-jade);
    border-radius:var(--r-card);
    padding:22px 24px;
    margin:28px 0;
    box-shadow:var(--sh-1);
  }
  .inset-card h3{
    margin:0 0 12px;
    font-family:var(--font-display);
    font-size:17px;
    font-weight:700;
    color:var(--c-deep);
  }
  .inset-card ul{list-style:none;margin:0;padding:0}
  .inset-card li{
    position:relative;
    padding-left:20px;
    margin-bottom:9px;
    font-size:15px;
    line-height:1.75;
    color:var(--c-ink-2);
  }
  .inset-card li:last-child{margin-bottom:0}
  .inset-card li::before{
    content:"";
    position:absolute;
    left:2px;top:11px;
    width:6px;height:6px;
    border-radius:2px;
    background:var(--c-jade);
  }
  .inset-card.is-warm{border-left-color:var(--c-clay)}
  .inset-card.is-warm li::before{background:var(--c-clay)}

  /* ---------- 对照卡 ---------- */
  .compare-card{
    position:relative;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:28px;
    box-shadow:var(--sh-1);
    transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  }
  .compare-card::before{
    content:"";
    position:absolute;
    left:28px;top:0;
    width:36px;height:3px;
    background:var(--c-deep);
  }
  .compare-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px)}
  .compare-card h3{font-size:20px;color:var(--c-deep);margin:12px 0 8px}
  .compare-card .lead{font-size:15px;color:var(--c-ink-2);margin-bottom:18px}
  .compare-list{list-style:none;margin:0;padding:0}
  .compare-list li{
    display:flex;gap:10px;align-items:flex-start;
    padding:11px 0;
    border-top:1px solid var(--c-line);
    font-size:15px;
    color:var(--c-ink-2);
    line-height:1.7;
  }
  .compare-list li:first-child{border-top:0}
  .compare-list .dot{
    flex:0 0 auto;
    width:8px;height:8px;margin-top:9px;
    border-radius:50%;
    background:var(--c-clay);
  }

  /* ---------- 场景清单 ---------- */
  .scene-item{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:20px 22px;
    box-shadow:var(--sh-1);
    transition:border-color .25s ease,box-shadow .25s ease;
  }
  .scene-item:hover{border-color:var(--c-clay);box-shadow:var(--sh-2)}
  .scene-item h3{font-size:17px;color:var(--c-deep);margin-bottom:6px}
  .scene-item p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

  /* ---------- 按钮与链接 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;
    padding:0 24px;
    border:1px solid transparent;
    border-radius:var(--r-btn);
    font-size:15px;
    font-family:var(--font-body);
    font-weight:500;
    text-decoration:none;
    white-space:nowrap;
    cursor:pointer;
    transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--c-clay);color:#FFFFFF}
  .btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-outline{
    background:transparent;
    border-color:var(--c-deep);
    color:var(--c-deep);
  }
  .btn-outline:hover{background:var(--c-deep);color:#F7F4EE;transform:translateY(-1px)}

  .link-underline{
    position:relative;
    display:inline-block;
    font-size:15px;
    font-weight:500;
    color:var(--c-deep);
    text-decoration:none;
  }
  .link-underline::after{
    content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;
    background:currentColor;transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .link-underline:hover::after{transform:scaleX(1)}
  .link-light{
    position:relative;
    display:inline-block;
    font-size:15px;
    color:rgba(247,244,238,.82);
    text-decoration:none;
  }
  .link-light::after{
    content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;
    background:currentColor;transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .link-light:hover{color:#FFFFFF}
  .link-light:hover::after{transform:scaleX(1)}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    position:relative;
    overflow:hidden;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    background:var(--c-deep);
    border-radius:16px;
    padding:32px 24px;
  }
  .cta-band::before{
    content:"";
    position:absolute;inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0,rgba(255,255,255,.04) 2px,transparent 2px,transparent 14px);
    pointer-events:none;
  }
  .cta-band > *{position:relative;z-index:1}
  .cta-copy{max-width:640px}
  .cta-copy h2{font-size:22px;color:#F7F4EE}
  .cta-copy p{margin-top:10px;font-size:15px;color:rgba(247,244,238,.78);line-height:1.8}
  .cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
  @media (min-width:768px){
    .cta-band{padding:48px}
    .cta-copy h2{font-size:26px}
  }

  /* ---------- FAQ ---------- */
  .faq-item{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-left:3px solid transparent;
    border-radius:12px;
    margin-bottom:8px;
    overflow:hidden;
    transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
  .faq-item[open]{
    background:var(--c-surface-2);
    border-left-color:var(--c-clay);
  }
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;
    padding:16px 20px;
    font-size:16px;
    font-weight:500;
    font-family:var(--font-display);
    color:var(--c-deep);
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    font-family:var(--font-body);
    font-size:20px;
    font-weight:400;
    color:var(--c-clay);
    line-height:1;
  }
  .faq-item[open] summary::after{content:"−"}
  .faq-answer{
    padding:0 20px 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--c-ink-2);
  }
  .faq-item[open] .faq-answer{animation:faqFade .25s ease}
  @keyframes faqFade{
    from{opacity:0;transform:translateY(-4px)}
    to{opacity:1;transform:none}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:56px;
    background:var(--c-deep);
    color:#F7F4EE;
    padding:56px 0 0;
  }
  @media (min-width:768px){ .site-footer{margin-top:96px;padding-top:64px} }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px} }
  .footer-brand{
    font-family:var(--font-display);
    font-size:20px;
    font-weight:700;
    letter-spacing:.02em;
    margin-bottom:16px;
  }
  .footer-desc{
    font-size:14px;
    line-height:1.85;
    color:rgba(247,244,238,.72);
    max-width:380px;
  }
  .footer-contact{margin-top:18px;font-size:14px;line-height:2;color:rgba(247,244,238,.72)}
  .footer-contact strong{color:rgba(247,244,238,.9);font-weight:500}
  .footer-col h4{
    font-size:15px;
    font-family:var(--font-display);
    margin:0 0 16px;
    color:#F7F4EE;
  }
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
  .footer-col a{
    font-size:14px;
    color:rgba(247,244,238,.72);
    text-decoration:none;
    transition:color .2s ease;
  }
  .footer-col a:hover{color:#FFFFFF}
  .footer-bottom{
    margin-top:44px;
    padding:20px 0;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:rgba(247,244,238,.6);
  }

/* roulang page: category4 */
:root{
  --c-deep:#0E3B36;
  --c-deep-2:#0A2C29;
  --c-clay:#C97B4A;
  --c-clay-2:#A85F33;
  --c-jade:#2E8B7A;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-line:#E2DCD1;
  --c-ink:#1C1B19;
  --c-ink-2:#5C5952;
  --c-ink-3:#8A857C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,59,54,.06);
  --sh-2:0 8px 24px rgba(14,59,54,.10);
  --sh-3:0 16px 40px rgba(14,59,54,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器 */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease,box-shadow .25s ease;
  backdrop-filter:saturate(150%) blur(6px);
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:var(--sh-2)}
.nav-desktop{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
}
.nav-group{display:flex;align-items:center;gap:28px;list-style:none;padding:0}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--c-ink-2);
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  background:var(--c-deep);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-deep);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-deep);
  white-space:nowrap;
}
.nav-mobile{display:none;align-items:center;height:64px;grid-template-columns:44px 1fr 44px}
.nav-mobile .brand{text-align:center;font-size:18px}
.hamburger{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:10px;
  cursor:pointer;
  padding:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hamburger:hover{border-color:var(--c-clay);box-shadow:var(--sh-1)}
.hamburger:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}
.hamburger span{display:block;position:relative;width:18px;height:2px;background:var(--c-deep);transition:background .2s ease}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-deep);
  transition:transform .25s ease,top .25s ease;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger[aria-expanded="true"] span{background:transparent}
.hamburger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.hamburger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  display:none;
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  max-height:calc(100vh - 64px);
  overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 20px;
  font-size:15px;
  color:var(--c-ink-2);
  border-left:3px solid transparent;
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease,color .2s ease;
}
.mobile-drawer a:hover{background:var(--c-surface-2);color:var(--c-deep)}
.mobile-drawer a.is-active{border-left-color:var(--c-deep);color:var(--c-deep);font-weight:600;background:var(--c-surface-2)}

/* 紧凑型 Hero */
.hero-compact{
  border-bottom:1px solid var(--c-line);
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(135deg,rgba(14,59,54,.045) 0 1px,transparent 1px 14px);
  min-height:272px;
  display:flex;
  align-items:center;
  padding:56px 0;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:20px;
}
.crumbs a{color:var(--c-ink-3);transition:color .2s ease}
.crumbs a:hover{color:var(--c-deep);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--c-line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--c-deep);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--c-clay);display:inline-block}
.hero-compact h1{
  font-family:var(--font-serif);
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-deep);
  margin:16px 0 0;
}
.hero-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:640px}

/* 板块 */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-family:var(--font-serif);
  font-size:28px;line-height:1.35;font-weight:600;
  color:var(--c-deep);margin:12px 0 14px;letter-spacing:.01em;
}
.section-head p{font-size:16px;color:var(--c-ink-2)}

/* 对照表 */
.table-shell{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;min-width:720px;border-collapse:collapse}
.compare thead th{
  background:var(--c-deep);
  color:#F7F4EE;
  font-family:var(--font-serif);
  font-weight:600;
  font-size:15px;
  text-align:left;
  padding:18px 22px;
  letter-spacing:.01em;
}
.compare tbody td{
  padding:18px 22px;
  font-size:15px;
  color:var(--c-ink-2);
  border-top:1px solid var(--c-line);
  vertical-align:top;
  line-height:1.75;
}
.compare tbody tr:nth-child(even){background:var(--c-surface-2)}
.compare tbody td:first-child{color:var(--c-ink);font-weight:500;width:18%}
.compare tbody td:last-child{color:var(--c-deep)}
.dot-mark{display:inline-flex;align-items:flex-start;gap:8px}
.dot-mark::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;
  background:var(--c-clay);margin-top:9px;
}
.table-note{margin-top:18px;font-size:13px;color:var(--c-ink-3)}

/* 卡片网格（错位） */
.stagger{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  column-gap:24px;
  row-gap:48px;
  padding-top:24px;
  padding-bottom:24px;
}
.stagger > article:nth-child(odd){transform:translateY(-24px)}
.p-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:28px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.p-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2)}
.p-card h3{
  font-family:var(--font-serif);
  font-size:20px;font-weight:600;color:var(--c-deep);
  margin:18px 0 10px;line-height:1.45;
}
.p-card p{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.icon-badge{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
}
.icon-badge svg{width:22px;height:22px;stroke:var(--c-jade);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;font-size:15px;font-weight:500;color:var(--c-clay);
  transition:color .2s ease;
}
.text-link:hover{color:var(--c-clay-2)}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* 图文自查 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split figure{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-surface-2)}
.split figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img)}
.split-text h2{
  font-family:var(--font-serif);
  font-size:28px;line-height:1.35;font-weight:600;color:var(--c-deep);
  margin:12px 0 16px;
}
.split-text p{font-size:16px;color:var(--c-ink-2);margin-bottom:16px}
.check-list{list-style:none;padding:0;display:grid;gap:12px;margin-top:22px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--c-ink);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  padding:13px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:var(--c-jade);box-shadow:var(--sh-1)}
.check-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--c-jade);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* FAQ */
.faq-list{display:grid;gap:8px}
details.faq{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
details.faq:hover{border-color:var(--c-clay)}
details.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;
  font-size:16px;font-weight:500;color:var(--c-ink);
  border-left:3px solid transparent;
  transition:background .25s ease,border-color .25s ease,color .25s ease;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";flex:0 0 auto;font-size:20px;line-height:1;color:var(--c-clay);font-weight:500;
}
details.faq[open] summary{background:var(--c-surface-2);border-left-color:var(--c-clay);color:var(--c-deep)}
details.faq[open] summary::after{content:"–"}
.faq-body{padding:10px 20px 20px;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;animation:faqIn .28s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* CTA 条 */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--c-deep);
  border-radius:16px;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 16px);
}
.cta-band .cta-text{position:relative;max-width:640px;color:#F1EDE5}
.cta-band .cta-text h2{
  font-family:var(--font-serif);
  font-size:24px;font-weight:600;color:#fff;margin-bottom:12px;line-height:1.4;
}
.cta-band .cta-text p{font-size:15px;color:rgba(247,244,238,.78)}

/* 按钮 */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn-clay{background:var(--c-clay);color:#fff;box-shadow:var(--sh-1)}
.btn-clay:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-clay:active{transform:translateY(0) scale(.99)}
.btn-light{background:transparent;color:#F7F4EE;border-color:rgba(247,244,238,.5)}
.btn-light:hover{background:rgba(247,244,238,.12);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}

/* 页脚 */
.site-footer{background:var(--c-deep);color:#F1EDE5;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:#fff;
  margin-bottom:16px;letter-spacing:.01em;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);margin-bottom:18px;max-width:360px}
.footer-contact div{font-size:13.5px;color:rgba(247,244,238,.72);margin-bottom:8px}
.footer-contact strong{color:rgba(247,244,238,.92);font-weight:600}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}

/* 响应式 */
@media (max-width:1279px){
  .wrap{padding:0 28px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-mobile{display:grid}
  .hero-compact{min-height:240px;padding:48px 0}
  .hero-compact h1{font-size:34px}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .hero-compact{min-height:236px;padding:40px 0}
  .hero-compact h1{font-size:30px}
  .hero-sub{font-size:15px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head h2,.split-text h2{font-size:24px}
  .stagger{grid-template-columns:1fr;row-gap:20px;padding-top:0;padding-bottom:0}
  .stagger > article:nth-child(odd){transform:none}
  .p-card{padding:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{margin-top:32px}
  .cta-btn-wrap{width:100%}
}

/* roulang page: category5 */
:root{
  --c-deep:#0E3B36;
  --c-deep-2:#0A2C29;
  --c-clay:#C97B4A;
  --c-clay-2:#A85F33;
  --c-jade:#2E8B7A;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-line:#E2DCD1;
  --c-ink:#1C1B19;
  --c-ink-2:#5C5952;
  --c-ink-3:#8A857C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(14,59,54,.06);
  --sh-2:0 8px 24px rgba(14,59,54,.10);
  --sh-3:0 16px 40px rgba(14,59,54,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.3;letter-spacing:.01em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none!important}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}

.wrap{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.97);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:var(--sh-2)}
.brand{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--c-deep);
  letter-spacing:.01em;white-space:nowrap;
}
.nav-desktop{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:24px}
.nav-group{display:flex;align-items:center;gap:28px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--c-ink-2);padding:6px 2px;transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-deep);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-deep);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-mobile{display:none;align-items:center;justify-content:space-between;height:64px;gap:16px}
.hamburger{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.hamburger span{position:relative;display:block;width:18px;height:2px;background:var(--c-deep);transition:background .2s ease}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-deep);transition:transform .25s ease,top .25s ease;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger.is-open span{background:transparent}
.hamburger.is-open span::before{top:0;transform:rotate(45deg)}
.hamburger.is-open span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  position:absolute;left:0;right:0;top:100%;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.mobile-drawer.is-open{max-height:520px}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:12px 20px;font-size:15px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);border-left:3px solid transparent;
}
.mobile-drawer a:last-child{border-bottom:none}
.mobile-drawer a.is-active{color:var(--c-deep);font-weight:600;border-left-color:var(--c-deep);background:var(--c-surface-2)}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-mobile{display:flex}
}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;display:flex;align-items:center;
  min-height:280px;padding:52px 0 46px;
  background-color:var(--c-bg);
  background-image:
    linear-gradient(180deg,rgba(247,244,238,.90),rgba(247,244,238,.96)),
    repeating-linear-gradient(135deg,rgba(14,59,54,.055) 0 1px,transparent 1px 11px),
    url('/assets/images/backpic/back-3.png');
  background-size:cover,auto,cover;
  background-position:center,center,center;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.crumb{font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-deep);text-decoration:underline}
.cat-hero h1{font-size:32px;color:var(--c-deep);max-width:760px}
.cat-hero-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:640px}
@media (min-width:1024px){
  .cat-hero{min-height:300px;padding:60px 0 52px}
  .cat-hero h1{font-size:40px}
  .cat-hero-sub{font-size:17px}
}

/* ---------- quick bar ---------- */
.quickbar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.quickbar-inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-ink-2);
  border-radius:999px;padding:8px 16px;font-size:14px;transition:all .2s ease;
}
.chip:hover{border-color:var(--c-clay);color:var(--c-clay-2)}
.chip.is-on{background:var(--c-deep);border-color:var(--c-deep);color:#F7F4EE}
.search-box{position:relative;display:flex;align-items:center;min-width:260px;flex:1 1 260px;max-width:360px}
.search-box svg{position:absolute;left:14px;width:16px;height:16px;stroke:var(--c-ink-3);fill:none;stroke-width:1.5}
.search-box input{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);padding:0 14px 0 40px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input:focus{outline:none;border-color:var(--c-jade);box-shadow:0 0 0 2px rgba(46,139,122,.25)}

/* ---------- section basics ---------- */
.block{padding:56px 0}
.block-tight{padding:0 0 56px}
@media (min-width:1024px){
  .block{padding:96px 0}
  .block-tight{padding:0 0 96px}
}
.eyebrow{
  font-size:12px;letter-spacing:.14em;color:var(--c-clay);font-weight:600;
  display:flex;align-items:center;gap:10px;margin-bottom:14px;text-transform:none;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-clay);display:block}
.section-title{font-size:26px;color:var(--c-deep)}
.section-lead{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:760px}
@media (min-width:1024px){.section-title{font-size:28px}}

/* ---------- layout: cards + form ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;margin-top:36px;align-items:start}
@media (min-width:1024px){.faq-layout{grid-template-columns:minmax(0,1fr) 366px;gap:32px}}
.card-wall{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-wall{grid-template-columns:repeat(2,minmax(0,1fr))}}
.faq-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.faq-card:hover{border-color:var(--c-clay);box-shadow:var(--sh-2);transform:translateY(-2px)}
.faq-card .thumb{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2)}
.faq-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.faq-card .thumb .tag{
  position:absolute;left:10px;top:10px;background:rgba(255,255,255,.94);
  border:1px solid var(--c-clay);color:var(--c-clay-2);border-radius:999px;
  padding:4px 10px;font-size:11px;letter-spacing:.02em;
}
.faq-card h3{margin-top:16px;font-size:18px;color:var(--c-ink)}
.faq-card p{margin-top:10px;font-size:15px;color:var(--c-ink-2);line-height:1.75}
.faq-card .card-link{
  margin-top:auto;padding-top:16px;font-size:14px;color:var(--c-deep);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.faq-card .card-link span{transition:transform .2s ease}
.faq-card:hover .card-link span{transform:translateX(3px)}
.empty-state{
  margin-top:18px;padding:34px 20px;text-align:center;border:1px dashed var(--c-line);
  border-radius:var(--r-card);background:var(--c-surface-2);color:var(--c-ink-2);font-size:15px;
}
.empty-state svg{width:26px;height:26px;stroke:var(--c-ink-3);fill:none;stroke-width:1.5;margin:0 auto 12px}

/* ---------- form ---------- */
.form-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.form-panel h2{font-size:20px;color:var(--c-deep)}
.form-panel .form-note{margin-top:10px;font-size:14px;color:var(--c-ink-2)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;color:var(--c-ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);padding:12px 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:48px;padding-top:0;padding-bottom:0}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-jade);box-shadow:0 0 0 2px rgba(46,139,122,.22);
}
.agree{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-deep);flex:0 0 auto}
.form-msg{margin-top:14px;font-size:13px;color:var(--c-clay-2)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:13px 24px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-clay);color:#FFFFFF;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-clay-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-primary[disabled]{background:var(--c-ink-3);cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{border-color:rgba(14,59,54,.28);color:var(--c-deep);background:transparent}
.btn-ghost:hover{background:rgba(14,59,54,.06);border-color:var(--c-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-block{width:100%;margin-top:20px}

/* ---------- SLA band ---------- */
.sla-band{
  position:relative;overflow:hidden;background:var(--c-deep);border-radius:16px;
  padding:36px 24px;color:#F7F4EE;
}
.sla-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
}
.sla-grid{position:relative;display:grid;grid-template-columns:1fr;gap:26px}
.sla-item .sla-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:#FFFFFF;letter-spacing:.01em}
.sla-item .sla-num small{font-size:14px;font-weight:400;color:rgba(247,244,238,.75);margin-left:6px;font-family:var(--font-sans)}
.sla-item .sla-cap{margin-top:8px;font-size:13px;color:rgba(247,244,238,.72)}
.sla-item .sla-line{width:34px;height:3px;background:var(--c-clay);border-radius:2px;margin-bottom:14px}
@media (min-width:768px){.sla-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1024px){.sla-band{padding:48px}}

/* ---------- FAQ ---------- */
.faq-list{margin-top:36px;display:grid;gap:8px;max-width:900px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;
  border-radius:12px;overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{background:var(--c-surface-2);border-left-color:var(--c-clay)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{
  flex:0 0 auto;width:20px;height:20px;position:relative;
}
.faq-item summary .sign::before,.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--c-clay);border-radius:2px;transition:transform .25s ease;
}
.faq-item summary .sign::before{left:0;top:9px;width:20px;height:2px}
.faq-item summary .sign::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] summary .sign::after{transform:scaleY(0)}
.faq-body{padding:8px 20px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.85;max-width:74ch}
.faq-body p + p{margin-top:12px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-deep);border-radius:16px;
  padding:36px 24px;display:flex;flex-direction:column;gap:22px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
}
.cta-band h2{position:relative;font-size:24px;color:#FFFFFF}
.cta-band p{position:relative;margin-top:10px;font-size:15px;color:rgba(247,244,238,.78);max-width:620px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{border-color:rgba(247,244,238,.45);color:#F7F4EE}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.10);border-color:#F7F4EE}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px}
  .cta-actions{flex:0 0 auto}
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(247,244,238,.82);margin-top:8px}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}}
.footer-brand{font-family:var(--font-serif);font-size:20px;font-weight:700;color:#F7F4EE}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(247,244,238,.72);max-width:420px}
.footer-contact{margin-top:18px;font-size:13px;line-height:2;color:rgba(247,244,238,.66)}
.footer-contact strong{color:rgba(247,244,238,.86);font-weight:600}
.footer-col h4{font-size:15px;color:#F7F4EE;font-family:var(--font-sans);font-weight:600;letter-spacing:.02em}
.footer-col ul{margin-top:16px;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,244,238,.7);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#F7F4EE;padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.6);
}