/* roulang page: index */
:root{
  --ink:#191512;
  --ink-soft:#2C2621;
  --brass:#B98A4B;
  --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0;
  --sand:#F1EAE0;
  --line:#E4D9C9;
  --text:#241F1B;
  --text-2:#6E635A;
  --text-3:#9A8F84;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(25,21,18,.05);
  --shadow-2:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-section:56px;
}
@media (min-width:1024px){ :root{ --gap-section:96px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:"Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:1024px){ body{font-size:17px;} }
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:"Noto Serif SC",Georgia,"Songti SC",serif;font-weight:600;line-height:1.3;letter-spacing:.01em;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(185,138,75,.28);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brass);outline-offset:2px;border-radius:8px;
}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){ .rl-container{padding-left:32px;padding-right:32px;} }

/* ---------- Header / Nav ---------- */
.rl-header{position:sticky;top:0;z-index:70;padding:10px 0;transition:background-color .26s var(--ease),box-shadow .26s var(--ease);}
.rl-header.is-stuck{background:rgba(250,246,240,.97);box-shadow:0 12px 34px -26px rgba(25,21,18,.6);}
.rl-nav{
  display:flex;align-items:center;gap:14px;
  background:#FFFCF7;border:1px solid var(--line);border-radius:16px;
  padding:10px 12px;box-shadow:var(--shadow-1);
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rl-header.is-stuck .rl-nav{box-shadow:0 10px 30px -22px rgba(25,21,18,.45);}
.rl-logo{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.rl-logo-mark{
  width:20px;height:20px;border-radius:50%;border:1.5px solid var(--brass);position:relative;flex-shrink:0;
}
.rl-logo-mark::after{
  content:"";position:absolute;inset:4px;border-radius:50%;border:1px solid rgba(185,138,75,.55);
}
.rl-logo-text{
  font-family:"Noto Serif SC",Georgia,serif;font-weight:700;font-size:18px;letter-spacing:.08em;color:var(--ink);white-space:nowrap;
}
.rl-nav-list{display:none;align-items:center;gap:4px;margin-left:6px;flex:1;}
@media (min-width:1024px){ .rl-nav-list{display:flex;} }
.nav-pill{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 13px;border-radius:999px;
  border:1px solid transparent;color:var(--text-2);font-size:14.5px;white-space:nowrap;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.nav-pill svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.5;fill:none;opacity:.65;transition:opacity .24s var(--ease),color .24s var(--ease);}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink);}
.nav-pill:hover svg{color:var(--brass-deep);opacity:1;}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}
.nav-pill.is-active svg{color:var(--brass);opacity:1;}
.rl-nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.rl-burger{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;background:transparent;cursor:pointer;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.rl-burger:hover{border-color:var(--brass);background:var(--sand);}
.rl-burger span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;}
.rl-burger span::before,.rl-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);
}
.rl-burger span::before{top:-6px;}
.rl-burger span::after{top:6px;}
@media (min-width:1024px){ .rl-burger{display:none;} }

/* Drawer */
.rl-drawer{position:fixed;inset:0;z-index:90;display:none;}
.rl-drawer.is-open{display:block;}
.rl-drawer-mask{position:absolute;inset:0;background:rgba(25,21,18,.45);}
.rl-drawer-panel{
  position:absolute;left:12px;right:12px;top:12px;background:var(--ivory);
  border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow-2);
  animation:drawerIn .3s var(--ease);
  max-height:calc(100vh - 40px);overflow-y:auto;
}
@keyframes drawerIn{from{transform:translateY(-12px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.rl-drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:18px;line-height:1;
}
.rl-drawer-close:hover{border-color:var(--brass);background:var(--sand);}
.rl-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-card{
  display:flex;flex-direction:column;gap:4px;padding:12px;border:1px solid var(--line);border-radius:12px;
  background:#FFFCF7;font-size:14.5px;color:var(--ink);transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.drawer-card small{color:var(--text-3);font-size:12px;letter-spacing:.02em;}
.drawer-card:hover{border-color:var(--brass);background:var(--sand);}
.drawer-card.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}
.drawer-card.is-active small{color:rgba(250,246,240,.65);}
.rl-drawer-cta{margin-top:16px;display:flex;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background-color .26s var(--ease),border-color .26s var(--ease),color .26s var(--ease),transform .26s var(--ease);
}
.btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;transition:transform .26s var(--ease);}
.btn-primary{background:var(--ink);color:var(--ivory);}
.btn-primary:hover{background:var(--brass-deep);color:#fff;}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brass);background:var(--sand);}
.btn-brass{background:var(--brass);color:var(--ink);}
.btn-brass:hover{background:#CB9B5B;}
.btn-brass:hover svg{transform:translateX(4px);}
.btn-ghost{background:none;border:none;padding:12px 2px;color:var(--ink);border-radius:0;}
.btn-ghost span{border-bottom:1px solid var(--brass);padding-bottom:2px;transition:border-color .26s var(--ease);}
.btn-ghost:hover span{border-color:var(--brass-deep);}
.btn-sm{min-height:42px;padding:10px 18px;font-size:14.5px;}

/* ---------- Section shell ---------- */
.section{padding-top:var(--gap-section);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--brass-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass);display:block;}
.h2{font-size:clamp(1.5rem,3.2vw,2.05rem);color:var(--ink);}
.section-desc{margin-top:12px;color:var(--text-2);max-width:640px;font-size:15.5px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--brass-deep);
  border-bottom:1px solid rgba(185,138,75,.5);padding-bottom:2px;transition:color .24s var(--ease),border-color .24s var(--ease);
}
.text-link:hover{color:var(--ink);border-color:var(--ink);}

/* ---------- Hero ---------- */
.hero{padding-top:34px;}
.hero-inner{display:grid;gap:38px;align-items:center;}
@media (min-width:1024px){
  .hero{padding-top:56px;}
  .hero-inner{grid-template-columns:1.04fr .96fr;gap:56px;}
}
.hero h1{
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  line-height:1.24;color:var(--ink);margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid var(--line);padding-top:20px;}
.hero-metrics li{
  padding:0 22px;border-left:1px solid var(--line);
}
.hero-metrics li:first-child{border-left:none;padding-left:0;}
.hero-metrics strong{
  display:block;font-family:Georgia,"Noto Serif SC",serif;font-size:22px;letter-spacing:-.01em;color:var(--ink);line-height:1.4;
}
.hero-metrics span{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.hero-visual{position:relative;}
.hero-frame{
  border:1px solid var(--brass);border-radius:var(--radius-lg);padding:10px;background:#FFFCF7;
  box-shadow:var(--shadow-1);overflow:hidden;
}
.hero-frame img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:12px;transition:transform .5s var(--ease);}
.hero-frame:hover img{transform:scale(1.03);}
.hero-chip{
  position:absolute;left:-10px;bottom:22px;background:#FFFCF7;border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-1);max-width:230px;
}
.hero-chip strong{display:block;font-family:"Noto Serif SC",serif;font-size:15px;color:var(--ink);}
.hero-chip span{font-size:13px;color:var(--text-3);}
@media (max-width:640px){ .hero-chip{left:8px;bottom:8px;max-width:200px;padding:10px 12px;} }

/* ---------- Product grid ---------- */
.product-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){ .product-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .product-grid{grid-template-columns:repeat(4,1fr);gap:24px;} }
.p-card{
  position:relative;display:flex;flex-direction:column;background:#FFFCF7;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.p-card:hover{transform:translateY(-2px);border-color:var(--brass);box-shadow:var(--shadow-2);}
.p-media{position:relative;overflow:hidden;background:var(--sand);}
.p-media img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s var(--ease);}
.p-card:hover .p-media img{transform:scale(1.03);}
.p-card--hero .p-media img{aspect-ratio:3/4;}
@media (min-width:1024px){
  .p-card--hero{grid-column:span 2;grid-row:span 2;}
  .p-card--hero .p-media{flex:1;}
  .p-card--hero .p-media img{height:100%;aspect-ratio:auto;min-height:320px;}
}
.badge{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;
  font-size:12.5px;padding:4px 12px;border-radius:999px;letter-spacing:.02em;
  background:rgba(158,59,72,.1);border:1px solid rgba(158,59,72,.5);color:var(--rouge);
}
.badge--brass{background:rgba(185,138,75,.12);border-color:rgba(185,138,75,.55);color:var(--brass-deep);}
.p-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1;}
.p-title{font-family:"Noto Serif SC",serif;font-size:16.5px;color:var(--ink);line-height:1.5;}
.p-meta{font-size:13px;color:var(--text-3);}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;}
.price{
  font-family:Georgia,"Noto Serif SC",serif;font-size:21px;letter-spacing:-.01em;color:var(--ink);
}
.price small{font-size:13px;color:var(--text-3);margin-right:2px;font-family:"Noto Sans SC",sans-serif;}
.mini-btn{
  display:inline-flex;align-items:center;gap:4px;height:36px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:transparent;font-size:13.5px;color:var(--ink);cursor:pointer;
  transition:border-color .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.mini-btn:hover{border-color:var(--ink);background:var(--ink);color:var(--ivory);}

/* ---------- Reviews ---------- */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:18px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 84%;scroll-snap-align:start;background:var(--sand);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;display:flex;flex-direction:column;gap:12px;
}
@media (min-width:768px){ .review-card{flex:0 0 46%;} }
@media (min-width:1024px){ .review-card{flex:0 0 31%;} }
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--brass);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-family:"Noto Serif SC",serif;
  font-size:15px;color:var(--brass-deep);background:#FFFCF7;
}
.stars{display:flex;gap:3px;}
.stars svg{width:14px;height:14px;stroke:var(--brass);stroke-width:1.5;fill:none;}
.review-text{font-size:15px;color:var(--text);line-height:1.8;}
.review-meta{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);background:#FFFCF7;
}
.review-controls{display:flex;gap:10px;margin-top:6px;}
.round-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.round-btn:hover{border-color:var(--brass);background:var(--sand);}
.round-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;}

/* ---------- Assurance ---------- */
.assurance{background:var(--ink);color:var(--ivory);margin-top:var(--gap-section);}
.assurance-list{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:640px){ .assurance-list{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .assurance-list{grid-template-columns:repeat(4,1fr);} }
.assurance-list li{
  display:flex;align-items:flex-start;gap:14px;padding:26px 20px;border-top:1px solid rgba(185,138,75,.2);
}
@media (min-width:1024px){
  .assurance-list li{border-left:1px solid rgba(185,138,75,.2);}
  .assurance-list li:first-child{border-left:none;}
}
.assurance-list svg{width:24px;height:24px;stroke:var(--brass);stroke-width:1.5;fill:none;flex-shrink:0;margin-top:4px;}
.assurance-list strong{display:block;font-family:"Noto Serif SC",serif;font-size:15.5px;color:var(--ivory);}
.assurance-list span{font-size:13.5px;color:rgba(250,246,240,.68);}

/* ---------- News / CMS ---------- */
.news-card{
  display:flex;flex-direction:column;gap:10px;background:#FFFCF7;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;height:100%;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brass);box-shadow:var(--shadow-2);}
.news-tag{
  align-self:flex-start;font-size:12.5px;padding:3px 10px;border-radius:999px;
  border:1px solid rgba(185,138,75,.5);color:var(--brass-deep);background:rgba(185,138,75,.08);
}
.news-title{font-size:17px;line-height:1.55;color:var(--ink);}
.news-title a{transition:color .24s var(--ease);}
.news-title a:hover{color:var(--brass-deep);}
.news-excerpt{
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.news-arrow{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brass-deep);
  transition:border-color .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.news-arrow:hover{border-color:var(--brass);background:var(--sand);color:var(--ink);}
.news-empty{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#FFFCF7;
  padding:54px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-ring{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--brass);position:relative;}
.empty-ring::after{content:"";position:absolute;inset:9px;border-radius:50%;border:1px solid rgba(185,138,75,.5);}
.news-empty p{color:var(--text-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--ivory);margin-top:var(--gap-section);position:relative;overflow:hidden;}
.cta-inner{
  padding-top:64px;padding-bottom:64px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;
  position:relative;
}
@media (min-width:1024px){ .cta-inner{padding-top:84px;padding-bottom:84px;} }
.cta-inner h2{font-size:clamp(1.5rem,3.2vw,2.1rem);color:var(--ivory);}
.cta-inner p{color:rgba(250,246,240,.72);max-width:620px;font-size:15.5px;}
.cta-inner .btn{margin-top:8px;}
.cta-line{position:absolute;top:50%;width:1px;height:120px;background:rgba(185,138,75,.45);display:none;}
@media (min-width:1024px){
  .cta-line{display:block;}
  .cta-line--l{left:12%;transform:translateY(-50%);}
  .cta-line--r{right:12%;transform:translateY(-50%);}
}

/* ---------- Footer ---------- */
.rl-footer{background:var(--ink);color:var(--ivory);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;padding-top:64px;padding-bottom:40px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr .8fr 1fr 1fr;gap:28px;} }
.footer-title{
  font-family:"Noto Serif SC",serif;font-size:14px;letter-spacing:.12em;color:var(--brass);
  margin-bottom:16px;text-transform:uppercase;
}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.footer-brand .rl-logo-mark{border-color:var(--brass);}
.footer-brand .rl-logo-mark::after{border-color:rgba(185,138,75,.55);}
.footer-brand span{font-family:"Noto Serif SC",serif;font-size:18px;font-weight:700;letter-spacing:.08em;color:var(--ivory);}
.footer-text{font-size:14.5px;color:rgba(250,246,240,.7);max-width:340px;line-height:1.85;}
.footer-list li{margin-bottom:11px;font-size:14.5px;}
.footer-list a{
  color:rgba(250,246,240,.72);border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.footer-list a:hover{color:var(--ivory);border-color:var(--brass);}
.footer-copy{
  border-top:1px solid rgba(185,138,75,.2);padding-top:20px;padding-bottom:26px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(250,246,240,.55);letter-spacing:.02em;
}
.footer-copy a{color:rgba(250,246,240,.7);}
.footer-copy a:hover{color:var(--brass);}

/* ---------- Motion ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.reveal{animation:fadeUp .5s var(--ease) both;}
.reveal-d1{animation-delay:.06s;}
.reveal-d2{animation-delay:.12s;}
.reveal-d3{animation-delay:.18s;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink:#191512;
  --ink-soft:#2C2621;
  --brass:#B98A4B;
  --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0;
  --sand:#F1EAE0;
  --line:#E4D9C9;
  --text:#241F1B;
  --text-2:#6E635A;
  --text-3:#9A8F84;
  --radius:14px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(25,21,18,.05);
  --shadow-md:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:"Noto Serif SC",Georgia,SimSun,serif;font-weight:600;letter-spacing:.01em;margin:0;line-height:1.35;color:var(--ink);}
p{margin:0;}
::selection{background:rgba(185,138,75,.25);}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:4px;}

.rl-container{max-width:1240px;margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:1024px){.rl-container{padding:0 32px;}}

/* ---------- Header / Nav ---------- */
.rl-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,240,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(10px);
  transition:box-shadow .26s var(--ease),background .26s var(--ease);
}
.rl-header.is-scrolled{box-shadow:0 12px 30px -22px rgba(25,21,18,.4);background:rgba(250,246,240,.99);}
.rl-nav{display:flex;align-items:center;gap:18px;height:78px;}
.rl-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.rl-logo-mark{
  width:22px;height:22px;border:1.5px solid var(--brass);border-radius:50%;
  position:relative;flex:0 0 auto;
}
.rl-logo-mark::after{
  content:"";position:absolute;inset:5px;border:1px solid var(--brass-deep);border-radius:50%;opacity:.7;
}
.rl-logo-text{
  font-family:"Noto Serif SC",Georgia,serif;font-weight:700;font-size:19px;letter-spacing:.08em;color:var(--ink);
}
.rl-nav-list{display:none;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:999px;
  border:1px solid transparent;color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.nav-pill svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink);}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}
.rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  width:46px;height:46px;border:1px solid var(--line);border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;background:#fff;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--brass);background:var(--sand);}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-drawer{
  display:none;border-top:1px solid var(--line);background:var(--ivory);
  padding:18px 0 24px;
}
.nav-drawer.is-open{display:block;animation:fadeUp .3s var(--ease) both;}
.nav-drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;}
.nav-drawer-grid a{
  display:flex;align-items:center;gap:10px;min-height:52px;padding:10px 14px;border:1px solid var(--line);
  border-radius:12px;background:#fff;font-size:14px;color:var(--text-2);
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.nav-drawer-grid a:hover{border-color:var(--brass);color:var(--ink);transform:translateY(-2px);}
.nav-drawer-grid svg{width:20px;height:20px;fill:none;stroke:var(--brass-deep);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.nav-drawer-cta{margin-top:16px;display:flex;}
@media (min-width:1024px){
  .rl-nav-list{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none !important;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:500;
  border:1px solid transparent;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--ink);color:var(--ivory);}
.btn-primary:hover{background:var(--brass-deep);color:#fff;}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--brass);background:var(--sand);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brass-deep);font-size:15px;font-weight:500;
  border-bottom:1px solid rgba(185,138,75,.5);padding-bottom:2px;transition:border-color .24s var(--ease),color .24s var(--ease);
}
.btn-link:hover{border-color:var(--brass-deep);color:var(--ink);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ---------- Tag / Badge ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;letter-spacing:.02em;color:var(--brass-deep);
}
.badge-rouge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(158,59,72,.1);border:1px solid rgba(158,59,72,.35);color:var(--rouge);font-size:12.5px;
}

/* ---------- Article head ---------- */
.page-band{
  background:var(--sand);border-bottom:1px solid var(--line);
  padding:26px 0 32px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--brass-deep);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--brass-deep);font-weight:500;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:clamp(2rem,4.4vw,3rem);margin:16px 0 18px;letter-spacing:.01em;line-height:1.3;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;letter-spacing:.02em;color:var(--text-3);}
.meta-row .divider{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- Article layout ---------- */
.article-wrap{padding:48px 0 64px;}
@media (min-width:1024px){.article-wrap{padding:64px 0 88px;}}
.article-layout{display:grid;grid-template-columns:1fr;gap:44px;}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;gap:64px;}
}
.article-main{min-width:0;}

.rl-prose{font-size:16.5px;line-height:1.9;color:var(--text);}
@media (min-width:1024px){.rl-prose{font-size:17px;}}
.rl-prose > * + *{margin-top:1.1em;}
.rl-prose p{margin:0;}
.rl-prose h2{
  font-size:clamp(1.4rem,2.4vw,1.72rem);margin-top:44px;padding-left:14px;
  border-left:3px solid var(--brass);line-height:1.4;
}
.rl-prose h3{font-size:1.2rem;margin-top:32px;color:var(--ink-soft);}
.rl-prose h4{font-size:1.05rem;margin-top:24px;color:var(--ink-soft);}
.rl-prose a{color:var(--brass-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.rl-prose a:hover{color:var(--ink);}
.rl-prose strong{color:var(--ink);font-weight:600;}
.rl-prose ul,.rl-prose ol{margin:1.1em 0 0;padding-left:0;}
.rl-prose ul{list-style:none;}
.rl-prose ul > li{position:relative;padding-left:22px;margin-bottom:10px;}
.rl-prose ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;background:var(--brass);
  border-radius:2px;transform:rotate(45deg);
}
.rl-prose ol{padding-left:1.4em;}
.rl-prose ol > li{margin-bottom:10px;}
.rl-prose ol > li::marker{color:var(--brass-deep);font-weight:600;}
.rl-prose blockquote{
  border-left:3px solid var(--brass);background:var(--sand);color:var(--text-2);
  padding:16px 22px;border-radius:0 12px 12px 0;margin:1.4em 0;
}
.rl-prose blockquote p{margin:0;}
.rl-prose img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow-sm);}
.rl-prose figure{margin:1.6em 0;}
.rl-prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.rl-prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.rl-prose code{
  background:var(--sand);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--ink-soft);
}
.rl-prose pre{
  background:var(--sand);border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;font-size:.92em;
}
.rl-prose table{width:100%;border-collapse:collapse;font-size:15px;}
.rl-prose th,.rl-prose td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;}
.rl-prose th{color:var(--text-2);font-weight:500;}

/* ---------- Sidebar ---------- */
.article-side{display:none;}
@media (min-width:1280px){
  .article-side{display:block;position:sticky;top:104px;align-self:start;}
}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px;
  box-shadow:var(--shadow-sm);
}
.side-card + .side-card{margin-top:20px;}
.side-title{font-size:15px;font-family:"Noto Serif SC",serif;margin-bottom:14px;color:var(--ink);}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li + li{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;}
.side-list a{display:block;font-size:14px;color:var(--text-2);transition:color .22s var(--ease);}
.side-list a:hover{color:var(--brass-deep);}
.side-list .side-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px;letter-spacing:.02em;}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-lg);background:#fff;
  padding:56px 24px;text-align:center;
}
.empty-ring{
  width:64px;height:64px;border:1.5px solid var(--brass);border-radius:50%;margin:0 auto 18px;
  position:relative;
}
.empty-ring::after{content:"";position:absolute;inset:12px;border:1px solid var(--line);border-radius:50%;}
.empty-state h2{font-size:1.3rem;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;max-width:420px;margin:0 auto 22px;}

/* ---------- Related ---------- */
.section{padding:64px 0;border-top:1px solid var(--line);}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.post-card:hover{border-color:var(--brass);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sand);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-body h3{font-size:1.12rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{
  color:var(--text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.post-foot .arrow{color:var(--brass-deep);display:inline-flex;align-items:center;gap:6px;transition:transform .24s var(--ease);}
.post-card:hover .post-foot .arrow{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:1.02rem;font-family:"Noto Serif SC",serif;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{position:relative;width:20px;height:20px;flex:0 0 auto;margin-top:4px;transition:transform .26s var(--ease);}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--brass-deep);border-radius:2px;
}
.faq-item summary .plus::before{left:0;top:9px;width:20px;height:1.6px;}
.faq-item summary .plus::after{top:0;left:9px;width:1.6px;height:20px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 4px 24px;color:var(--text-2);font-size:15px;max-width:900px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--ivory);padding:64px 0;}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;position:relative;}
.cta-inner::before,.cta-inner::after{
  content:"";position:absolute;top:8px;bottom:8px;width:1px;background:rgba(185,138,75,.5);
}
.cta-inner::before{left:0;}
.cta-inner::after{right:0;}
.cta-band h2{color:var(--ivory);font-size:clamp(1.6rem,3vw,2.2rem);}
.cta-band p{color:rgba(250,246,240,.72);max-width:620px;font-size:15.5px;}
.btn-cta{background:var(--brass);color:var(--ink);font-weight:600;}
.btn-cta:hover{background:#cfa066;color:var(--ink);}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}

/* ---------- Footer ---------- */
.rl-footer{background:var(--ink);color:var(--ivory);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@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 1.2fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-size:19px;font-weight:700;letter-spacing:.08em;margin-bottom:16px;}
.footer-brand .rl-logo-mark{border-color:var(--brass);}
.footer-brand .rl-logo-mark::after{border-color:rgba(185,138,75,.6);}
.footer-text{color:rgba(250,246,240,.66);font-size:14px;line-height:1.8;max-width:340px;}
.footer-text + .footer-text{margin-top:12px;}
.footer-title{font-size:15px;color:var(--ivory);margin-bottom:16px;font-family:"Noto Serif SC",serif;}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-list li{color:rgba(250,246,240,.66);font-size:14px;}
.footer-list a{color:rgba(250,246,240,.66);transition:color .24s var(--ease),border-color .24s var(--ease);border-bottom:1px solid transparent;padding-bottom:1px;}
.footer-list a:hover{color:var(--ivory);border-color:var(--brass);}
.footer-copy{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(185,138,75,.2);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(250,246,240,.5);letter-spacing:.02em;
}

@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.fade-up{animation:fadeUp .5s var(--ease) both;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --ink:#191512;
    --ink-soft:#2C2621;
    --brass:#B98A4B;
    --brass-deep:#8C6431;
    --rouge:#9E3B48;
    --ivory:#FAF6F0;
    --sand:#F1EAE0;
    --line:#E4D9C9;
    --text:#241F1B;
    --text-2:#6E635A;
    --text-3:#9A8F84;
    --radius-card:14px;
    --radius-lg:18px;
    --radius-input:10px;
    --shadow-soft:0 1px 2px rgba(25,21,18,.05);
    --shadow-hover:0 18px 40px -20px rgba(25,21,18,.22);
    --ease:cubic-bezier(.22,.61,.36,1);
    --serif:"Noto Serif SC","Songti SC",Georgia,serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--ivory);
    color:var(--text);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
  }
  @media (min-width:1280px){ body{font-size:17px} }
  img{max-width:100%;height:auto;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer}
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
  ul,ol{list-style:none}
  svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  :focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:6px}

  .skip-link{
    position:absolute;left:16px;top:-60px;z-index:200;
    background:var(--ink);color:var(--ivory);padding:10px 18px;border-radius:999px;
    font-size:14px;transition:top .25s var(--ease);
  }
  .skip-link:focus{top:14px}

  .rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){ .rl-container{padding:0 32px} }

  /* ---------- 头部导航 ---------- */
  .rl-header{
    position:sticky;top:0;z-index:60;
    padding:14px 0;
    background:rgba(250,246,240,.88);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:box-shadow .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
  }
  .rl-header.is-scrolled{
    background:rgba(250,246,240,.97);
    border-bottom-color:var(--line);
    box-shadow:0 12px 30px -24px rgba(25,21,18,.5);
  }
  .rl-nav{
    display:flex;align-items:center;gap:16px;
    background:var(--ivory);
    border:1px solid var(--line);
    border-radius:16px;
    padding:10px 12px 10px 18px;
    box-shadow:var(--shadow-soft);
  }
  .rl-logo{display:inline-flex;align-items:center;gap:10px;flex:none}
  .rl-logo-mark{
    width:20px;height:20px;border-radius:50%;
    border:1.5px solid var(--brass);
    position:relative;flex:none;
  }
  .rl-logo-mark::after{
    content:"";position:absolute;inset:5px;border-radius:50%;
    border:1px solid rgba(185,138,75,.55);
  }
  .rl-logo-text{
    font-family:var(--serif);
    font-weight:700;
    font-size:19px;
    letter-spacing:.06em;
    color:var(--ink);
    white-space:nowrap;
  }
  .rl-nav-list{display:flex;align-items:center;gap:4px;margin-left:6px}
  .nav-pill{
    display:inline-flex;align-items:center;gap:8px;
    height:44px;padding:0 14px;border-radius:999px;
    font-size:14.5px;color:var(--text-2);
    border:1px solid transparent;
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
    white-space:nowrap;
  }
  .nav-pill svg{width:19px;height:19px;flex:none;color:var(--text-3);transition:color .24s var(--ease)}
  .nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink)}
  .nav-pill:hover svg{color:var(--brass-deep)}
  .nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
  .nav-pill.is-active svg{color:var(--brass)}
  .rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 20px;border-radius:999px;
    border:1px solid transparent;
    font-size:14.5px;font-weight:500;line-height:1;
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
    white-space:nowrap;
  }
  .btn svg{width:18px;height:18px;transition:transform .24s var(--ease)}
  .btn-primary{background:var(--ink);color:var(--ivory)}
  .btn-primary:hover{background:var(--brass-deep)}
  .btn-primary:hover svg{transform:translateX(4px)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brass);background:var(--sand)}
  .btn-ghost:hover svg{transform:translateX(4px)}
  .btn-sm{height:40px;padding:0 16px;font-size:13.5px}
  .btn-lg{height:52px;padding:0 26px;font-size:15.5px}

  .rl-burger{
    display:none;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:transparent;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .rl-burger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease)}
  .rl-burger.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
  .rl-burger.is-open span:nth-child(2){opacity:0}
  .rl-burger.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

  .rl-drawer-mask{
    position:fixed;inset:0;z-index:70;background:rgba(25,21,18,.45);
    opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
  }
  .rl-drawer-mask.is-open{opacity:1;visibility:visible}
  .rl-drawer{
    position:fixed;top:12px;right:12px;bottom:12px;z-index:80;
    width:min(92vw,400px);
    background:var(--ivory);border:1px solid var(--line);border-radius:16px;
    padding:22px;overflow-y:auto;
    transform:translateX(110%);
    transition:transform .34s var(--ease);
    box-shadow:var(--shadow-hover);
  }
  .rl-drawer.is-open{transform:translateX(0)}
  .rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .rl-drawer-title{font-family:var(--serif);font-weight:700;font-size:17px;letter-spacing:.04em}
  .rl-drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:transparent;display:flex;align-items:center;justify-content:center}
  .rl-drawer-close:hover{border-color:var(--brass);background:var(--sand)}
  .rl-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .rl-drawer-card{
    display:flex;flex-direction:column;gap:8px;
    padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;
    font-size:14px;color:var(--text-2);
    transition:border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  }
  .rl-drawer-card svg{width:20px;height:20px;color:var(--brass)}
  .rl-drawer-card:hover,.rl-drawer-card.is-active{border-color:var(--brass);background:var(--sand);color:var(--ink)}
  .rl-drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px}
  .rl-drawer-cta .btn{width:100%}

  @media (max-width:1023px){
    .rl-nav-list,.rl-nav-right .btn{display:none}
    .rl-burger{display:flex}
    .rl-nav{padding:10px 12px 10px 16px}
    .rl-logo-text{font-size:17px}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.14em;color:var(--brass-deep);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--brass)}
  .sec-title{
    font-family:var(--serif);font-weight:700;
    font-size:clamp(1.6rem,2.6vw,2.1rem);
    line-height:1.35;letter-spacing:.01em;color:var(--ink);
  }
  .sec-sub{color:var(--text-2);font-size:15.5px;margin-top:12px;max-width:640px}
  .sec-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:20px;margin-bottom:34px;
  }
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14.5px;color:var(--brass-deep);
    border-bottom:1px solid rgba(185,138,75,.4);
    padding-bottom:4px;
    transition:border-color .24s var(--ease),color .24s var(--ease);
  }
  .link-arrow svg{width:18px;height:18px;transition:transform .24s var(--ease)}
  .link-arrow:hover{border-color:var(--brass-deep);color:var(--ink)}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* ---------- 分类 Hero ---------- */
  .cat-hero{
    position:relative;
    min-height:520px;
    display:flex;align-items:center;
    background-color:var(--sand);
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center right;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .cat-hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(250,246,240,.98) 0%,rgba(250,246,240,.94) 34%,rgba(250,246,240,.55) 58%,rgba(250,246,240,.06) 100%);
  }
  .cat-hero-inner{position:relative;z-index:2;padding:64px 0;width:100%}
  .cat-hero-box{max-width:620px}
  .breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.02em;color:var(--text-3);margin-bottom:20px}
  .breadcrumb a{transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--brass-deep)}
  .breadcrumb .sep{color:var(--line)}
  .breadcrumb .current{color:var(--brass-deep)}
  .cat-h1{
    font-family:var(--serif);font-weight:700;
    font-size:clamp(2.1rem,4.6vw,3.4rem);
    line-height:1.2;letter-spacing:.01em;color:var(--ink);
    margin:14px 0 18px;
  }
  .cat-h1 em{font-style:normal;color:var(--brass-deep)}
  .cat-hero-desc{font-size:16.5px;color:var(--text-2);max-width:520px}
  .cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-facts{
    display:flex;flex-wrap:wrap;gap:18px;margin-top:34px;
    padding-top:24px;border-top:1px solid var(--line);
    font-size:13px;letter-spacing:.02em;color:var(--text-3);
  }
  .hero-facts li{display:flex;align-items:center;gap:10px}
  .hero-facts li:not(:last-child)::after{content:"";width:1px;height:14px;background:var(--line);margin-left:8px}
  .hero-facts strong{
    font-family:var(--serif);font-weight:700;font-size:17px;color:var(--ink);letter-spacing:0;
  }
  @media (max-width:767px){
    .cat-hero{min-height:auto;background-position:center}
    .cat-hero::before{background:linear-gradient(180deg,rgba(250,246,240,.97) 0%,rgba(250,246,240,.9) 70%,rgba(250,246,240,.82) 100%)}
    .cat-hero-inner{padding:44px 0}
    .hero-facts{gap:12px}
    .hero-facts li:not(:last-child)::after{display:none}
  }

  /* ---------- 指标带 ---------- */
  .metrics-band{background:var(--sand);border-bottom:1px solid var(--line)}
  .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
  .metric-item{padding:28px 24px;border-right:1px solid var(--line)}
  .metric-item:last-child{border-right:none}
  .metric-num{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
  .metric-label{font-size:13.5px;color:var(--text-2);margin-top:6px}
  @media (max-width:1023px){
    .metrics-grid{grid-template-columns:repeat(2,1fr)}
    .metric-item{border-bottom:1px solid var(--line)}
    .metric-item:nth-child(2n){border-right:none}
    .metric-item:nth-last-child(-n+2){border-bottom:none}
  }

  /* ---------- 陈列网格 ---------- */
  .showcase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
  @media (max-width:767px){ .showcase-grid{grid-template-columns:1fr;gap:24px} }
  .showcase-card{
    display:block;border:1px solid var(--line);border-radius:var(--radius-lg);
    background:#fff;overflow:hidden;
    transition:border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
  }
  .showcase-card:hover{border-color:var(--brass);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .showcase-media{
    position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--sand);
  }
  .showcase-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .showcase-card:hover .showcase-media img{transform:scale(1.03)}
  .badge{
    position:absolute;top:14px;left:14px;z-index:2;
    display:inline-flex;align-items:center;gap:6px;
    height:28px;padding:0 12px;border-radius:999px;
    font-size:13px;letter-spacing:.02em;
    background:rgba(250,246,240,.94);border:1px solid var(--line);color:var(--text-2);
  }
  .badge-hot{background:rgba(158,59,72,.1);border-color:rgba(158,59,72,.4);color:var(--rouge)}
  .badge-new{background:rgba(185,138,75,.12);border-color:rgba(185,138,75,.42);color:var(--brass-deep)}
  .showcase-hover{
    position:absolute;left:0;right:0;bottom:0;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:16px 18px;
    background:linear-gradient(180deg,rgba(25,21,18,0) 0%,rgba(25,21,18,.82) 55%);
    color:var(--ivory);
    transition:opacity .3s var(--ease),transform .3s var(--ease);
  }
  .showcase-price{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:-.01em}
  .showcase-price span{font-family:var(--sans);font-size:12.5px;font-weight:400;color:rgba(250,246,240,.72);margin-left:4px}
  .showcase-view{
    display:inline-flex;align-items:center;gap:6px;
    height:38px;padding:0 16px;border-radius:999px;
    background:var(--brass);color:var(--ink);font-size:13.5px;font-weight:500;
  }
  .showcase-view svg{width:16px;height:16px}
  @media (hover:hover) and (min-width:768px){
    .showcase-hover{opacity:0;transform:translateY(12px)}
    .showcase-card:hover .showcase-hover,
    .showcase-card:focus-within .showcase-hover{opacity:1;transform:translateY(0)}
  }
  .showcase-body{padding:20px 22px 24px;border-top:1px solid var(--line)}
  .showcase-name{font-family:var(--serif);font-weight:700;font-size:18px;color:var(--ink);letter-spacing:.01em}
  .showcase-meta{font-size:13.5px;color:var(--text-3);margin-top:8px}
  .showcase-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .tag{
    display:inline-flex;align-items:center;
    height:26px;padding:0 11px;border-radius:999px;
    font-size:12.5px;color:var(--text-2);
    border:1px solid var(--line);background:var(--ivory);
  }

  /* ---------- 分页细线 ---------- */
  .pager{
    display:flex;align-items:center;justify-content:center;gap:10px;
    margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
  }
  .pager a,.pager span{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:42px;height:42px;padding:0 14px;border-radius:12px;
    font-size:14px;color:var(--text-2);
    border:1px solid transparent;
    transition:border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  }
  .pager a:hover{border-color:var(--brass);background:var(--sand);color:var(--ink)}
  .pager .is-current{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
  .pager-note{text-align:center;font-size:13px;color:var(--text-3);margin-top:14px}

  /* ---------- 交付说明 ---------- */
  .deliver-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center}
  @media (max-width:1023px){ .deliver-wrap{grid-template-columns:1fr;gap:32px} }
  .deliver-figure{
    border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--sand);
  }
  .deliver-figure img{width:100%;aspect-ratio:1/1;object-fit:cover}
  .deliver-list{margin-top:28px;border-top:1px solid var(--line)}
  .deliver-item{
    display:grid;grid-template-columns:64px 1fr;gap:16px;
    padding:22px 0;border-bottom:1px solid var(--line);
  }
  .deliver-num{
    font-family:var(--serif);font-weight:700;font-size:24px;color:var(--brass);
    line-height:1.2;letter-spacing:.02em;
  }
  .deliver-title{font-family:var(--serif);font-weight:700;font-size:17px;color:var(--ink)}
  .deliver-text{font-size:14.5px;color:var(--text-2);margin-top:8px}

  /* ---------- FAQ ---------- */
  .faq-section{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .faq-list{border-top:1px solid var(--line);margin-top:8px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;background:transparent;border:none;text-align:left;
    font-family:var(--serif);font-weight:700;font-size:16.5px;color:var(--ink);
    transition:color .24s var(--ease);
  }
  .faq-q:hover{color:var(--brass-deep)}
  .faq-icon{
    flex:none;width:32px;height:32px;border-radius:50%;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    transition:transform .3s var(--ease),border-color .3s var(--ease);
  }
  .faq-icon svg{width:16px;height:16px;color:var(--brass-deep)}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brass)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
  .faq-a p{font-size:15px;color:var(--text-2);padding:0 52px 24px 0}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--ink);color:var(--ivory);padding:72px 0;position:relative;overflow:hidden}
  .cta-inner{display:flex;align-items:center;justify-content:center;gap:34px;text-align:center;flex-direction:column}
  .cta-line{width:1px;height:52px;background:rgba(185,138,75,.5);display:none}
  .cta-title{font-family:var(--serif);font-weight:700;font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.35;letter-spacing:.01em}
  .cta-desc{color:rgba(250,246,240,.72);font-size:15.5px;max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
  .btn-brass{background:var(--brass);color:var(--ink)}
  .btn-brass:hover{background:#C99A58}
  .btn-brass:hover svg{transform:translateX(4px)}
  .btn-outline{background:transparent;border-color:rgba(250,246,240,.32);color:var(--ivory)}
  .btn-outline:hover{border-color:var(--brass);background:rgba(185,138,75,.14)}
  @media (min-width:1024px){ .cta-line{display:block} .cta-inner{gap:40px} }

  /* ---------- 页脚 ---------- */
  .rl-footer{background:var(--ink);color:rgba(250,246,240,.78);padding:64px 0 28px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
  @media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px} }
  @media (max-width:639px){ .footer-grid{grid-template-columns:1fr} }
  .footer-brand{
    display:flex;align-items:center;gap:10px;
    font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:.06em;color:var(--ivory);
    margin-bottom:18px;
  }
  .footer-text{font-size:14px;line-height:1.85;color:rgba(250,246,240,.6);max-width:340px}
  .footer-title{
    font-family:var(--serif);font-weight:700;font-size:15px;color:var(--ivory);
    letter-spacing:.04em;margin-bottom:16px;
  }
  .footer-list{display:flex;flex-direction:column;gap:11px;font-size:14px}
  .footer-list a{
    color:rgba(250,246,240,.68);
    border-bottom:1px solid transparent;
    transition:color .22s var(--ease),border-color .22s var(--ease);
  }
  .footer-list a:hover{color:var(--ivory);border-bottom-color:var(--brass)}
  .footer-copy{
    margin-top:44px;padding-top:20px;
    border-top:1px solid rgba(185,138,75,.2);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(250,246,240,.5);letter-spacing:.02em;
  }

  /* ---------- 入场动效 ---------- */
  .fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .fade-up.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
    .fade-up{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category2 */
:root{
  --ink:#191512; --ink-soft:#2C2621;
  --brass:#B98A4B; --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0; --sand:#F1EAE0; --line:#E4D9C9;
  --text:#241F1B; --text-2:#6E635A; --text-3:#9A8F84;
  --radius-card:14px; --radius-lg:18px; --radius-input:10px;
  --shadow-1:0 1px 2px rgba(25,21,18,.05);
  --shadow-2:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body.rl-body{
  margin:0;padding:0;background:var(--ivory);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
@media(min-width:1280px){html body.rl-body{font-size:17px}}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,Georgia,serif;font-weight:600;letter-spacing:.01em;line-height:1.32;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.rl-container{padding:0 32px}}

/* ---------- 导航 ---------- */
.rl-header{position:sticky;top:0;z-index:60;padding:12px 0;background:rgba(250,246,240,.74);backdrop-filter:blur(8px);transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.rl-header.is-scrolled{background:rgba(250,246,240,.95);box-shadow:0 12px 34px -26px rgba(25,21,18,.5)}
.rl-nav{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 14px;box-shadow:var(--shadow-1)}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{position:relative;width:22px;height:22px;border:1.5px solid var(--brass);border-radius:50%;flex:0 0 auto}
.rl-logo-mark::after{content:"";position:absolute;inset:5px;border:1px solid var(--brass);border-radius:50%;opacity:.55}
.rl-logo-text{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:17px;font-weight:700;letter-spacing:.06em;color:var(--ink);white-space:nowrap}
.rl-nav-list{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;flex-wrap:nowrap}
.nav-pill{display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 12px;border-radius:999px;border:1px solid transparent;color:var(--text-2);font-size:14.5px;white-space:nowrap;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.nav-pill svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;color:var(--text-3);transition:color var(--dur) var(--ease);flex:0 0 auto}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink)}
.nav-pill:hover svg{color:var(--brass-deep)}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.nav-pill.is-active svg{color:var(--brass)}
.rl-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 26px;border-radius:999px;border:1px solid transparent;background:none;font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease);flex:0 0 auto}
.btn-primary{background:var(--ink);color:var(--ivory)}
.btn-primary:hover{background:var(--brass-deep);color:#fff}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-sm{min-height:44px;padding:9px 18px;font-size:14px}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--brass);background:var(--sand)}
.btn-outline:hover svg{transform:translateX(4px)}
.btn-ghost{min-height:auto;padding:6px 0;border:none;color:var(--brass-deep);text-decoration:underline;text-underline-offset:6px;text-decoration-color:rgba(185,138,75,.45)}
.btn-ghost:hover{color:var(--ink);text-decoration-color:var(--brass)}
.btn-ghost:hover svg{transform:translateX(4px)}

.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--brass);background:var(--sand)}
.nav-toggle span{position:relative;display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{position:fixed;inset:0;background:rgba(25,21,18,.45);z-index:65;opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{position:fixed;left:12px;right:12px;top:78px;z-index:70;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease)}
.rl-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-item{display:flex;align-items:center;gap:8px;min-height:48px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-size:14.5px;color:var(--text-2);transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease)}
.drawer-item svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;color:var(--text-3);flex:0 0 auto}
.drawer-item:hover{border-color:var(--brass);background:var(--sand);color:var(--ink)}
.drawer-item.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.drawer-item.is-active svg{color:var(--brass)}
.drawer-cta{margin-top:14px;display:block;width:100%}

@media(max-width:1023px){
  .rl-nav-list{display:none}
  .nav-toggle{display:inline-flex}
}
@media(max-width:767px){
  .rl-nav-right .btn{display:none}
  .rl-logo-text{font-size:15.5px;letter-spacing:.04em}
}
@media(min-width:1024px){
  .rl-drawer,.drawer-mask{display:none}
}

/* ---------- 内页首屏 ---------- */
.page-hero{padding:36px 0 4px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--brass-deep)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--brass-deep)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.04fr .96fr;gap:56px}}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--brass-deep);margin-bottom:14px}
.page-title{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700;color:var(--ink)}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:28px}
.hero-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:#fff}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 600ms var(--ease)}
.hero-frame:hover img{transform:scale(1.03)}
.hero-frame::after{content:"";position:absolute;inset:10px;border:1px solid rgba(185,138,75,.6);border-radius:12px;pointer-events:none}
.stat-row{display:flex;flex-wrap:wrap;gap:16px 28px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.stat{padding-left:18px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:none}
.stat b{display:block;font-family:"Noto Serif SC",Georgia,serif;font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.4}
.stat span{font-size:13px;color:var(--text-3);letter-spacing:.02em}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding-top:36px}
.section-sand{background:var(--sand)}
.section-head{max-width:740px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.6rem,2.7vw,2.1rem);color:var(--ink)}
.section-head p{margin-top:14px;color:var(--text-2)}
.divider{height:1px;background:var(--line);border:none;margin:0}

/* ---------- 时间轴 ---------- */
.timeline{position:relative}
.timeline::before{content:"";position:absolute;top:12px;bottom:12px;left:63px;width:1px;background:linear-gradient(180deg,rgba(185,138,75,.12),var(--brass),rgba(185,138,75,.12))}
@media(min-width:768px){.timeline::before{left:131px}}
.tl-item{display:grid;grid-template-columns:64px 1fr;gap:0 16px;padding-bottom:28px}
@media(min-width:768px){.tl-item{grid-template-columns:132px 1fr;gap:0 32px;padding-bottom:38px}}
.tl-item:last-child{padding-bottom:0}
.tl-index{font-family:"Noto Serif SC",Georgia,serif;font-weight:700;font-size:1.7rem;line-height:1;color:var(--brass);text-align:right;padding:8px 16px 0 0;letter-spacing:.02em}
@media(min-width:768px){.tl-index{font-size:2.6rem;padding:6px 28px 0 0}}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.tl-card:hover{border-color:var(--brass);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.tl-card h3{font-size:1.2rem;color:var(--ink);margin-bottom:10px}
.tl-card p{color:var(--text-2)}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--ivory);color:var(--text-2)}
.chip-brass{border-color:rgba(185,138,75,.5);background:rgba(185,138,75,.07);color:var(--brass-deep)}
.tl-foot{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- 深色数据条 ---------- */
.band{background:var(--ink);color:var(--ivory);border-radius:var(--radius-lg);padding:34px 22px}
@media(min-width:768px){.band{padding:48px 40px}}
.band h2{font-size:clamp(1.5rem,2.4vw,1.95rem);margin-bottom:26px}
.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 20px}
@media(min-width:1024px){.band-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
.band-item{padding-left:18px;border-left:1px solid rgba(185,138,75,.22)}
.band-item b{display:block;font-family:"Noto Serif SC",Georgia,serif;font-size:26px;line-height:1.3;color:var(--brass)}
.band-item strong{display:block;font-size:15px;font-weight:600;margin-top:6px;color:var(--ivory)}
.band-item span{display:block;font-size:14px;margin-top:6px;color:rgba(250,246,240,.66);line-height:1.8}
@media(max-width:1023px){
  .band-item:nth-child(odd){padding-left:0;border-left:none}
}
@media(min-width:1024px){
  .band-item:first-child{padding-left:0;border-left:none}
}

/* ---------- 定制方向 ---------- */
.direction-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.direction-grid{grid-template-columns:1.1fr 1fr;gap:36px;align-items:start}}
.direction-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#fff}
.direction-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform 600ms var(--ease)}
.direction-media:hover img{transform:scale(1.03)}
.direction-media figcaption{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(250,246,240,.93);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13px;color:var(--text-2)}
.direction-list{display:grid;gap:16px}
.direction-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:20px 22px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.direction-item:hover{border-color:var(--brass);box-shadow:var(--shadow-2)}
.direction-item h3{font-size:1.08rem;margin-bottom:8px;color:var(--ink)}
.direction-item p{color:var(--text-2);font-size:15.5px}
.tag{display:inline-block;font-size:12.5px;letter-spacing:.06em;padding:4px 10px;border-radius:999px;border:1px solid rgba(185,138,75,.45);color:var(--brass-deep);background:rgba(185,138,75,.07);margin-bottom:12px}

/* ---------- 信任与评价 ---------- */
.trust{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:1024px){.trust{grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}}
.quote{background:var(--sand);border-left:3px solid var(--brass);border-radius:0 var(--radius-card) var(--radius-card) 0;padding:26px 24px}
.quote p{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:1.15rem;line-height:1.8;color:var(--ink)}
.quote footer{margin-top:16px;font-size:13.5px;color:var(--text-3);letter-spacing:.02em}
.trust-facts{display:grid;gap:14px}
.fact{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff}
.fact svg{width:22px;height:22px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--brass);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.fact strong{display:block;font-size:15.5px;color:var(--ink)}
.fact span{font-size:14px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0;cursor:pointer;list-style:none;font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:1.06rem;font-weight:600;color:var(--ink);transition:color var(--dur) var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brass-deep)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform var(--dur) var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--brass)}
.faq-icon::before{width:15px;height:1.5px}
.faq-icon::after{width:1.5px;height:15px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;color:var(--text-2);max-width:820px}

/* ---------- CTA ---------- */
.cta-block{position:relative;background:var(--ink);color:var(--ivory);border-radius:var(--radius-lg);padding:48px 22px;text-align:center;overflow:hidden}
@media(min-width:768px){.cta-block{padding:64px 40px}}
.cta-block h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.cta-block p{max-width:640px;margin:16px auto 30px;color:rgba(250,246,240,.72)}
.cta-block .btn-primary{background:var(--brass);color:var(--ink)}
.cta-block .btn-primary:hover{background:var(--brass-deep);color:#fff}
.cta-line{position:absolute;top:24px;bottom:24px;width:1px;background:rgba(185,138,75,.4)}
.cta-line.left{left:10%}
.cta-line.right{right:10%}
@media(max-width:767px){.cta-line{display:none}}
.cta-note{margin-top:20px;font-size:13px;letter-spacing:.02em;color:rgba(250,246,240,.55)}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--ink);color:var(--ivory);margin-top:56px;padding:56px 0 24px}
@media(min-width:1024px){.rl-footer{margin-top:96px;padding:72px 0 28px}}
.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 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:18px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-text{margin:0;max-width:340px;font-size:14.5px;line-height:1.85;color:rgba(250,246,240,.66)}
.footer-title{font-size:15px;color:var(--ivory);letter-spacing:.04em;margin-bottom:16px}
.footer-list li{font-size:14.5px;line-height:2.1;color:rgba(250,246,240,.7)}
.footer-list a{position:relative;transition:color var(--dur) var(--ease)}
.footer-list a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.footer-list a:hover{color:var(--ivory)}
.footer-list a:hover::after{transform:scaleX(1)}
.footer-copy{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid rgba(185,138,75,.2);font-size:13px;color:rgba(250,246,240,.55)}

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

/* roulang page: category3 */
:root{
  --ink:#191512;
  --ink-soft:#2C2621;
  --brass:#B98A4B;
  --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0;
  --sand:#F1EAE0;
  --line:#E4D9C9;
  --text:#241F1B;
  --text-2:#6E635A;
  --text-3:#9A8F84;
  --radius:14px;
  --radius-lg:18px;
  --shadow-1:0 1px 2px rgba(25,21,18,.05);
  --shadow-2:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC",Georgia,"Songti SC",serif;font-weight:600;letter-spacing:.01em;margin:0;color:var(--ink);line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:6px}
::selection{background:rgba(185,138,75,.24)}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.rl-container{padding:0 32px}}

/* ---------- header / nav ---------- */
.rl-header{position:sticky;top:0;z-index:60;padding:12px 0;transition:padding .26s var(--ease)}
.rl-header.is-scrolled{padding:8px 0}
.rl-nav{
  display:flex;align-items:center;gap:14px;
  min-height:64px;
  padding:8px 10px 8px 16px;
  background:#FDFAF5;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rl-header.is-scrolled .rl-nav{box-shadow:var(--shadow-2);border-color:#DCCFB9}
.rl-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:20px;height:20px;border-radius:50%;
  border:1.5px solid var(--brass);position:relative;flex:0 0 auto;
}
.rl-logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;background:var(--brass);opacity:.85;
}
.rl-logo-text{
  font-family:"Noto Serif SC",Georgia,serif;font-weight:700;font-size:19px;
  letter-spacing:.06em;color:var(--ink);white-space:nowrap;
}
.rl-nav-list{display:none;align-items:center;gap:2px;margin:0 auto;padding:0;list-style:none}
.nav-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:44px;padding:0 12px;border-radius:999px;
  border:1px solid transparent;color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.nav-pill svg{width:19px;height:19px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.72;transition:opacity .24s var(--ease),stroke .24s var(--ease)}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink)}
.nav-pill:hover svg{opacity:1;stroke:var(--brass-deep)}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.nav-pill.is-active svg{opacity:1;stroke:var(--brass)}
.rl-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
@media (min-width:1024px){
  .rl-nav-list{display:flex}
  .nav-toggle{display:none}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:500;cursor:pointer;
  border:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease)}
.btn-primary{background:var(--ink);color:var(--ivory);border-color:var(--ink);min-height:44px;padding:0 22px;font-size:15px}
.btn-primary:hover{background:var(--brass-deep);border-color:var(--brass-deep);color:#fff}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);min-height:44px;padding:0 22px;font-size:15px}
.btn-outline:hover{border-color:var(--brass);background:var(--sand)}
.btn-ghost{background:transparent;color:var(--ink);border:none;padding:0;min-height:44px;font-size:15px;border-bottom:1px solid var(--line);border-radius:0}
.btn-ghost:hover{color:var(--brass-deep);border-bottom-color:var(--brass)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-lg{min-height:50px;padding:0 28px;font-size:15px}

/* ---------- mobile drawer ---------- */
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--ivory);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:border-color .24s var(--ease),background .24s var(--ease)
}
.nav-toggle:hover{border-color:var(--brass);background:var(--sand)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .26s var(--ease),opacity .26s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-mask{position:fixed;inset:0;background:rgba(25,21,18,.45);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:65}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;left:16px;right:16px;top:88px;z-index:70;
  background:#FDFAF5;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:var(--shadow-2);
  display:none;max-height:calc(100vh - 130px);overflow:auto;
}
.nav-drawer.is-open{display:block;animation:drawerIn .28s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-link{
  display:flex;align-items:center;gap:8px;min-height:52px;padding:10px 12px;
  border:1px solid var(--line);border-radius:12px;background:var(--ivory);
  font-size:14px;color:var(--text);transition:border-color .24s var(--ease),background .24s var(--ease)
}
.drawer-link svg{width:18px;height:18px;fill:none;stroke:var(--brass-deep);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.drawer-link:hover{border-color:var(--brass);background:var(--sand)}
.drawer-link.is-active{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.drawer-link.is-active svg{stroke:var(--brass)}
.drawer-cta{margin-top:14px}
@media (min-width:1024px){.nav-drawer,.nav-mask{display:none !important}}

/* ---------- hero ---------- */
.page-hero{padding:40px 0 16px;background:linear-gradient(180deg,#FDFAF5 0%,var(--ivory) 100%)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--text-3);margin-bottom:22px}
.crumbs a:hover{color:var(--brass-deep)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:var(--brass-deep)}
.hero-grid{display:grid;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.06fr .94fr;gap:52px}}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;border:1px solid var(--line);
  background:var(--sand);color:var(--brass-deep);font-size:13px;letter-spacing:.02em;
}
.tag-rouge{background:rgba(158,59,72,.08);border-color:rgba(158,59,72,.28);color:var(--rouge)}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.22;margin:18px 0 0}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:36em}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.hero-stats{margin-top:34px;display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--text-3);letter-spacing:.02em}
.hero-stats li{font-family:Georgia,"Noto Serif SC",serif;font-size:15px;color:var(--ink-soft)}
.hero-stats li + li{padding-left:18px;border-left:1px solid var(--line)}
.hero-figure{
  border:1px solid var(--brass);border-radius:var(--radius-lg);overflow:hidden;background:var(--sand);
  aspect-ratio:4/3;box-shadow:var(--shadow-1);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.hero-figure:hover img{transform:scale(1.03)}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--sand)}
.section-head{max-width:760px}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-top:14px}
.section-head p{margin-top:14px;color:var(--text-2)}
.eyebrow{font-size:13px;letter-spacing:.16em;color:var(--brass-deep);text-transform:uppercase;font-family:Georgia,serif}

/* ---------- sticky media + long copy ---------- */
.split{display:grid;gap:36px;margin-top:44px}
@media (min-width:1024px){.split{grid-template-columns:minmax(0,4.6fr) minmax(0,7.4fr);gap:56px;align-items:start}}
.sticky-media{
  position:sticky;top:104px;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--sand);
}
.sticky-media img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .5s var(--ease)}
.sticky-media:hover img{transform:scale(1.03)}
.media-caption{padding:14px 16px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);background:#FDFAF5}
.point{
  border-top:1px solid var(--line);padding:22px 0 4px;
}
.point:first-child{border-top:none;padding-top:0}
.point h3{font-size:1.18rem;display:flex;align-items:baseline;gap:10px}
.point .idx{font-family:Georgia,serif;font-size:13px;color:var(--brass);letter-spacing:.1em}
.point p{margin-top:8px;color:var(--text-2)}
.point ul{margin-top:12px;display:grid;gap:8px}
.point li{position:relative;padding-left:18px;font-size:15px;color:var(--text-2)}
.point li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--brass)}

/* ---------- spec list ---------- */
.spec-wrap{margin-top:40px;border-top:1px solid var(--line)}
.spec-row{
  display:grid;grid-template-columns:minmax(118px,38%) 1fr;gap:16px;align-items:baseline;
  padding:16px 0;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease)
}
.spec-row:hover{background:rgba(185,138,75,.06)}
.spec-key{font-size:14px;color:var(--text-3);letter-spacing:.02em}
.spec-val{font-size:15px;color:var(--ink);font-weight:500}
.spec-val .sub{display:block;font-weight:400;font-size:13.5px;color:var(--text-2);margin-top:4px;line-height:1.75}
@media (min-width:768px){.spec-row{grid-template-columns:minmax(180px,26%) 1fr;gap:28px;padding:18px 8px}}

/* ---------- cards ---------- */
.card{
  background:#FDFAF5;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.card:hover{border-color:var(--brass);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-img{width:100%;aspect-ratio:16/11;object-fit:cover}
.card-body{padding:20px}
.card-body h3{font-size:1.12rem}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--text-2)}
.card-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-3)}
.card-meta strong{font-family:Georgia,serif;font-weight:600;font-size:16px;color:var(--brass-deep);letter-spacing:.01em}
.stagger{display:grid;gap:20px;margin-top:40px}
@media (min-width:1024px){
  .stagger{grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:start}
  .stagger .col-a{grid-column:span 5}
  .stagger .col-b{grid-column:span 4}
  .stagger .col-c{grid-column:span 3}
}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;margin-top:40px}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr))}}
.step{background:#FDFAF5;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;transition:border-color .26s var(--ease),background .26s var(--ease)}
.step:hover{border-color:var(--brass);background:#fff}
.step .num{font-family:Georgia,serif;font-size:26px;color:var(--brass);line-height:1}
.step h3{font-size:1.02rem;margin-top:14px}
.step p{margin-top:8px;font-size:14px;color:var(--text-2)}
.step .line{width:34px;height:1px;background:var(--brass);margin-top:16px}

/* ---------- faq ---------- */
.faq{margin-top:36px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 4px;font-family:"Noto Serif SC",Georgia,serif;font-size:1.05rem;color:var(--ink);
  transition:color .24s var(--ease)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brass-deep)}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:transform .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
  font-size:16px;line-height:1;background:#FDFAF5
}
.faq-item[open] .faq-plus{transform:rotate(45deg);border-color:var(--brass);color:var(--brass-deep)}
.faq-answer{padding:0 46px 22px 4px;color:var(--text-2);font-size:15px}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--ivory);padding:64px 0;position:relative;overflow:hidden}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-inner{display:grid;gap:22px;justify-items:start;text-align:left}
@media (min-width:1024px){.cta-inner{justify-items:center;text-align:center}}
.cta-band h2{color:#fff;font-size:clamp(1.55rem,2.6vw,2rem)}
.cta-band p{color:#C7BAA9;max-width:38em;font-size:15.5px}
.cta-band .btn-primary{background:var(--brass);border-color:var(--brass);color:var(--ink);font-weight:600}
.cta-band .btn-primary:hover{background:#C99A57;border-color:#C99A57;color:var(--ink)}
.cta-rules{display:none}
@media (min-width:1024px){
  .cta-rules{display:block;position:absolute;top:0;bottom:0;width:1px;background:rgba(185,138,75,.35)}
  .cta-rules.left{left:8%}
  .cta-rules.right{right:8%}
}

/* ---------- footer ---------- */
.rl-footer{background:var(--ink);color:#EFE7DC;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@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 1.15fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",Georgia,serif;font-size:19px;color:#fff;letter-spacing:.05em}
.footer-text{margin-top:14px;font-size:14px;line-height:1.9;color:#B7AB9D;max-width:32em}
.footer-title{font-size:14px;color:#fff;letter-spacing:.06em;margin:0 0 14px;font-family:"Noto Serif SC",Georgia,serif}
.footer-list{display:grid;gap:10px;font-size:14px;color:#B7AB9D}
.footer-list a{border-bottom:1px solid transparent;transition:color .24s var(--ease),border-color .24s var(--ease)}
.footer-list a:hover{color:var(--brass);border-bottom-color:var(--brass)}
.footer-copy{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(185,138,75,.2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8F8477
}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .6s var(--ease) forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}
.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#191512;
  --ink-soft:#2C2621;
  --brass:#B98A4B;
  --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0;
  --sand:#F1EAE0;
  --line:#E4D9C9;
  --text:#241F1B;
  --text-2:#6E635A;
  --text-3:#9A8F84;
  --r-card:14px;
  --r-lg:18px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(25,21,18,.05);
  --shadow-2:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC",Georgia,"Songti SC","SimSun",serif;
  --sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:6px;}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){ .rl-container{padding:0 32px;} }

/* ------- 导航 ------- */
.rl-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:10px 0 6px;
  background:rgba(250,246,240,.88);
  backdrop-filter:blur(10px);
  transition:box-shadow 260ms var(--ease);
}
.rl-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(25,21,18,.5);}
.rl-nav{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:64px;
  padding:8px 12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-1);
}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:0 6px;}
.rl-logo-mark{
  position:relative;
  width:20px;height:20px;
  border-radius:50%;
  border:1.5px solid var(--brass);
  flex:0 0 auto;
}
.rl-logo-mark::after{
  content:"";
  position:absolute;inset:4px;
  border-radius:50%;
  border:1px solid var(--brass);
  opacity:.65;
}
.rl-logo-text{
  font-family:var(--serif);
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:.05em;
  color:var(--ink);
  white-space:nowrap;
}
.rl-nav-list{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:44px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:background 260ms var(--ease),color 260ms var(--ease),border-color 260ms var(--ease);
}
.nav-pill svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:stroke 260ms var(--ease);}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink);}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}
.rl-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
@media (max-width:1279px){
  .nav-pill{padding:0 10px;font-size:13.5px;}
  .nav-pill svg{width:16px;height:16px;}
}
@media (max-width:1023px){
  .rl-nav-list{display:none;}
  .rl-nav-right .btn{display:none;}
}
@media (min-width:1024px){ .nav-toggle{display:none;} }

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink);
  transition:border-color 260ms var(--ease),background 260ms var(--ease);
}
.nav-toggle:hover{border-color:var(--brass);background:var(--sand);}
.nav-toggle span{position:relative;display:block;width:18px;height:1.5px;background:currentColor;border-radius:2px;}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-overlay{
  position:fixed;inset:0;
  background:rgba(25,21,18,.45);
  opacity:0;visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
  z-index:70;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(88vw,360px);
  padding:22px 20px 20px;
  background:var(--ivory);
  border-radius:16px 0 0 16px;
  transform:translateX(102%);
  transition:transform 280ms var(--ease);
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:16px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-family:var(--serif);font-size:1rem;color:var(--ink);}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-card{
  display:flex;flex-direction:column;gap:6px;
  padding:14px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font-size:14px;
  color:var(--text-2);
  transition:border-color 260ms var(--ease),color 260ms var(--ease),background 260ms var(--ease);
}
.drawer-card svg{width:18px;height:18px;fill:none;stroke:var(--brass);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.drawer-card:hover{border-color:var(--brass);color:var(--ink);}
.drawer-card.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}
.drawer-card.is-active svg{stroke:var(--brass);}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background 260ms var(--ease),color 260ms var(--ease),border-color 260ms var(--ease),transform 260ms var(--ease);
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform 260ms var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--ink);color:var(--ivory);}
.btn-primary:hover{background:var(--brass-deep);}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{border-color:var(--brass);background:var(--sand);}
.btn-brass{background:var(--brass);color:var(--ink);}
.btn-brass:hover{background:var(--ivory);}
.btn-ghost{padding:0;height:auto;color:var(--ink);text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--brass);text-decoration-thickness:1px;}
.btn-ghost:hover{color:var(--brass-deep);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ------- 区块 ------- */
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:96px 0;} }
.section-sand{background:var(--sand);}
.section-head{max-width:720px;margin-bottom:34px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--brass-deep);
  margin-bottom:12px;
}
.title-lg{
  font-family:var(--serif);
  font-size:clamp(1.6rem,3vw,2.1rem);
  line-height:1.36;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--ink);
  margin-bottom:14px;
}
.lede{color:var(--text-2);font-size:16px;max-width:660px;}

/* ------- Hero ------- */
.hero{padding:40px 0 0;}
@media (min-width:1024px){ .hero{padding:64px 0 0;} }
.hero-grid{display:grid;gap:40px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1fr 1.05fr;gap:56px;}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--brass-deep);
}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  margin:18px 0 16px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;padding-top:20px;border-top:1px solid var(--line);}
.hero-metric{padding-right:22px;margin-right:22px;border-right:1px solid var(--line);}
.hero-metric:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-metric strong{display:block;font-family:Georgia,"Noto Serif SC",serif;font-size:1.35rem;color:var(--ink);line-height:1.35;}
.hero-metric span{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
@media (max-width:640px){
  .hero-metrics{flex-direction:column;gap:14px;}
  .hero-metric{border-right:0;margin-right:0;padding-right:0;}
}

.collage{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.collage-item{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--sand);
}
.collage-item img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--ease);}
.collage-item:hover img{transform:scale(1.03);}
.collage-item:nth-child(1){height:250px;}
.collage-item:nth-child(2){height:206px;margin-top:44px;}
.collage-item:nth-child(3){grid-column:1/-1;height:196px;}
.collage-tag{
  position:absolute;
  left:14px;bottom:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(25,21,18,.74);
  color:var(--ivory);
  font-size:13px;
  letter-spacing:.02em;
  backdrop-filter:blur(4px);
}
@media (max-width:640px){
  .collage{gap:10px;}
  .collage-item:nth-child(1){height:150px;}
  .collage-item:nth-child(2){height:130px;margin-top:26px;}
  .collage-item:nth-child(3){height:140px;}
  .collage-tag{left:10px;bottom:10px;font-size:12px;padding:4px 10px;}
}

/* ------- 场景矩阵 ------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){ .scene-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .scene-grid{grid-template-columns:repeat(3,1fr);} }
.scene-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform 260ms var(--ease),border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--brass);box-shadow:var(--shadow-2);}
.scene-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--sand);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.badge{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(250,246,240,.94);
  border:1px solid var(--line);
  color:var(--ink);
  font-size:13px;
  letter-spacing:.02em;
}
.badge-rouge{border-color:rgba(158,59,72,.35);color:var(--rouge);}
.scene-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-title{font-family:var(--serif);font-size:1.15rem;font-weight:600;color:var(--ink);}
.scene-text{font-size:15px;color:var(--text-2);line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  padding:4px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--ivory);
  color:var(--text-2);
  font-size:13px;
}

/* ------- 清单 ------- */
.check-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){ .check-grid{grid-template-columns:repeat(3,1fr);} }
.check-card{
  padding:26px 24px 24px;
  background:var(--ivory);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.check-card:hover{border-color:var(--brass);box-shadow:var(--shadow-1);}
.check-card h3{font-family:var(--serif);font-size:1.12rem;font-weight:600;color:var(--ink);margin-bottom:10px;}
.check-card p{font-size:15px;color:var(--text-2);margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:14px;}
.check-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text-2);}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:6px;height:6px;
  background:var(--brass);
  border-radius:1px;
}

/* ------- 流程 ------- */
.steps{display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:640px){ .steps{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr);gap:24px;} }
.step{border-top:1px solid var(--line);padding-top:20px;transition:border-color 260ms var(--ease);}
.step:hover{border-color:var(--brass);}
.step-num{font-family:Georgia,"Noto Serif SC",serif;font-size:2.1rem;color:var(--brass);line-height:1;letter-spacing:.02em;}
.step-title{font-family:var(--serif);font-size:1.08rem;font-weight:600;color:var(--ink);margin:12px 0 8px;}
.step-text{font-size:14.8px;color:var(--text-2);line-height:1.8;}

/* ------- FAQ ------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-family:var(--serif);
  font-size:1.05rem;
  font-weight:600;
  color:var(--ink);
  transition:color 240ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brass-deep);}
.faq-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:5px;
  border-radius:50%;
  border:1px solid var(--brass);
  transition:transform 260ms var(--ease),background 260ms var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--brass);
}
.faq-icon::before{width:10px;height:1px;}
.faq-icon::after{width:1px;height:10px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 0 26px;max-width:820px;font-size:15.5px;color:var(--text-2);}
.faq-answer p{margin-bottom:10px;}
.faq-answer p:last-child{margin-bottom:0;}

/* ------- 标签胶囊 ------- */
.pill-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.pill{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  transition:border-color 240ms var(--ease),color 240ms var(--ease),background 240ms var(--ease),transform 240ms var(--ease);
}
.pill:hover{border-color:var(--brass);color:var(--ink);background:var(--sand);transform:translateY(-1px);}

/* ------- CTA ------- */
.cta-band{background:var(--ink);color:var(--ivory);padding:64px 0;position:relative;overflow:hidden;}
.cta-inner{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;}
.cta-inner::before,
.cta-inner::after{
  content:"";
  position:absolute;
  top:6px;
  width:1px;height:56px;
  background:linear-gradient(180deg,rgba(185,138,75,0) 0%,rgba(185,138,75,.75) 50%,rgba(185,138,75,0) 100%);
}
.cta-inner::before{left:0;}
.cta-inner::after{right:0;}
.cta-title{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2rem);line-height:1.4;font-weight:600;color:var(--ivory);max-width:720px;}
.cta-text{font-size:15.5px;color:rgba(250,246,240,.76);max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:6px;}
@media (max-width:640px){
  .cta-inner::before,.cta-inner::after{display:none;}
  .cta-band{padding:52px 0;}
}

/* ------- 页脚 ------- */
.rl-footer{background:var(--ink);color:rgba(250,246,240,.8);padding:64px 0 28px;}
.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:1.5fr 1fr 1fr 1.2fr;} }
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.1rem;color:var(--ivory);margin-bottom:14px;}
.footer-title{font-size:14px;letter-spacing:.1em;color:var(--ivory);font-weight:600;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.footer-list a{transition:color 240ms var(--ease);}
.footer-list a:hover{color:var(--brass);}
.footer-text{font-size:14.5px;line-height:1.85;color:rgba(250,246,240,.72);}
.footer-copy{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(185,138,75,.25);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(250,246,240,.6);
}

/* ------- 动效 ------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 500ms var(--ease),transform 500ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --ink:#191512;
  --ink-soft:#2C2621;
  --brass:#B98A4B;
  --brass-deep:#8C6431;
  --rouge:#9E3B48;
  --ivory:#FAF6F0;
  --sand:#F1EAE0;
  --line:#E4D9C9;
  --text:#241F1B;
  --text-2:#6E635A;
  --text-3:#9A8F84;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(25,21,18,.05);
  --shadow-2:0 18px 40px -20px rgba(25,21,18,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:250ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:1024px){body{font-size:17px}}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC",Georgia,serif;font-weight:700;line-height:1.3;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
[hidden]{display:none !important}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.rl-container{padding:0 32px}}

/* ---------- 导航 ---------- */
.rl-header{position:sticky;top:0;z-index:70;padding:12px 0;transition:padding var(--t) var(--ease)}
.rl-nav{
  display:flex;align-items:center;gap:14px;
  background:rgba(250,246,240,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:16px;
  padding:9px 12px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.rl-header.is-scrolled .rl-nav{
  background:rgba(250,246,240,.98);
  border-color:#DCCFBB;
  box-shadow:0 14px 34px -20px rgba(25,21,18,.35);
}
.rl-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;padding:0 4px}
.rl-logo-mark{
  width:20px;height:20px;border-radius:50%;
  border:1.5px solid var(--brass);position:relative;display:inline-block;flex:none;
}
.rl-logo-mark::after{content:"";position:absolute;inset:4px;border-radius:50%;border:1px solid rgba(185,138,75,.55)}
.rl-logo-text{font-family:"Noto Serif SC",serif;font-weight:700;font-size:1.02rem;letter-spacing:.08em;color:var(--ink);white-space:nowrap}
.rl-nav-list{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;min-width:0}
.nav-pill{
  display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 13px;
  border-radius:999px;border:1px solid transparent;
  color:var(--text-2);font-size:.9rem;white-space:nowrap;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-pill svg{width:18px;height:18px;flex:none;color:var(--text-3);transition:color var(--t) var(--ease)}
.nav-pill:hover{background:var(--sand);border-color:var(--brass);color:var(--ink)}
.nav-pill:hover svg{color:var(--brass-deep)}
.nav-pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.nav-pill.is-active svg{color:var(--brass)}
.rl-nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}
.nav-pill svg,.btn svg,.drawer-card svg,.info-item svg,.benefit-icon svg,.flow-icon svg{
  fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.rl-burger{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.rl-burger span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.rl-burger:hover{border-color:var(--brass);background:var(--sand)}
@media (max-width:1023px){
  .rl-nav-list{display:none}
  .rl-burger{display:inline-flex}
}
@media (max-width:639px){
  .rl-nav-right .btn{display:none}
  .rl-logo-text{font-size:.96rem}
}

/* drawer */
.rl-overlay{
  position:fixed;inset:0;background:rgba(25,21,18,.45);
  opacity:0;transition:opacity var(--t) var(--ease);z-index:80;
}
.rl-overlay.is-open{opacity:1}
.rl-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(92vw,400px);
  background:var(--ivory);border-left:1px solid var(--line);
  border-radius:16px 0 0 16px;padding:22px;
  transform:translateX(102%);transition:transform 280ms var(--ease);
  z-index:90;display:flex;flex-direction:column;overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0)}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rl-drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:1.1rem;line-height:1;cursor:pointer;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.rl-drawer-close:hover{border-color:var(--brass);color:var(--brass-deep)}
.rl-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.drawer-card{
  display:flex;align-items:center;gap:8px;min-height:56px;padding:12px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:.9rem;color:var(--text-2);
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),background var(--t) var(--ease);
}
.drawer-card svg{width:18px;height:18px;flex:none;color:var(--brass)}
.drawer-card:hover{border-color:var(--brass);color:var(--ink)}
.drawer-card.is-active{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.drawer-card.is-active svg{color:var(--brass)}
.drawer-cta{margin-top:24px;justify-content:center}
.rl-drawer-note{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;cursor:pointer;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn svg{width:18px;height:18px;flex:none;transition:transform var(--t) var(--ease)}
.btn-primary{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.btn-primary:hover{background:var(--brass-deep);border-color:var(--brass-deep)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brass);background:var(--sand)}
.btn-brass{background:var(--brass);color:var(--ink);border-color:var(--brass)}
.btn-brass:hover{background:#C99A5B;border-color:#C99A5B}
.btn-brass:hover svg{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:.88rem}
.btn-block{width:100%;justify-content:center}

/* ---------- 通用板块 ---------- */
.rl-section{padding:56px 0}
@media (min-width:1024px){.rl-section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  font-size:13px;letter-spacing:.14em;color:var(--text-3);
  margin-bottom:12px;font-weight:500;
}
.section-title{font-size:clamp(1.6rem,2.6vw,2.1rem);color:var(--ink)}
.section-desc{margin-top:14px;color:var(--text-2);font-size:.98rem}

/* ---------- 面包屑 & Hero ---------- */
.rl-page-head{padding-top:20px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--text-3);padding:6px 0}
.breadcrumb a{color:var(--text-3);transition:color var(--t) var(--ease)}
.breadcrumb a:hover{color:var(--brass-deep)}
.breadcrumb span{color:#C9BCA9}
.breadcrumb em{font-style:normal;color:var(--brass-deep)}
.hero{display:grid;gap:36px;align-items:center;padding:24px 0 52px}
@media (min-width:1024px){
  .hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;padding:44px 0 84px}
}
.hero-title{
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  color:var(--ink);line-height:1.18;letter-spacing:.01em;
}
.hero-title-note{
  display:block;margin-top:14px;
  font-size:.4em;letter-spacing:.06em;color:var(--brass-deep);font-weight:600;
}
.hero-sub{margin-top:22px;font-size:1.03rem;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px 20px;margin-top:36px}
.hero-metric{padding-right:20px;border-right:1px solid var(--line)}
.hero-metric:last-child{border-right:0;padding-right:0}
.hero-metric b{display:block;font-family:Georgia,"Noto Serif SC",serif;font-size:1.3rem;color:var(--ink);letter-spacing:-.01em;line-height:1.4}
.hero-metric span{font-size:13px;color:var(--text-3)}
.hero-frame{position:relative;padding:0 18px 18px 0}
.hero-frame::after{
  content:"";position:absolute;right:0;bottom:0;width:58%;height:58%;
  border:1px solid var(--brass);border-radius:var(--radius-lg);
}
.hero-media{
  position:relative;z-index:1;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform 480ms var(--ease)}
.hero-media:hover img{transform:scale(1.03)}

/* ---------- 权益卡 ---------- */
.benefit-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:900px){.benefit-grid{grid-template-columns:repeat(3,1fr)}}
.benefit-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px;display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.benefit-card:hover{transform:translateY(-2px);border-color:var(--brass);box-shadow:var(--shadow-2)}
.benefit-icon{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--sand);
  color:var(--brass-deep);display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.benefit-icon svg{width:22px;height:22px}
.benefit-card:hover .benefit-icon{border-color:var(--brass);color:var(--brass-deep)}
.benefit-card h3{font-size:1.16rem;color:var(--ink);margin-bottom:10px}
.benefit-card p{color:var(--text-2);font-size:.95rem}
.benefit-tag{
  align-self:flex-start;margin-top:20px;font-size:13px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--ivory);color:var(--text-3);
}

/* ---------- 预约流程 ---------- */
.section-flow{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media (min-width:900px){.flow-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.flow-step{position:relative;border-left:1px solid rgba(185,138,75,.45);padding-left:18px}
@media (min-width:900px){
  .flow-step{border-left:0;padding:0 26px 0 0}
  .flow-step:not(:last-child)::after{
    content:"";position:absolute;right:0;top:10px;height:64px;width:1px;background:rgba(185,138,75,.35);
  }
}
.flow-num{font-family:Georgia,"Noto Serif SC",serif;font-size:2.1rem;line-height:1;color:var(--brass);letter-spacing:-.02em}
.flow-step h3{margin-top:14px;font-size:1.14rem;color:var(--ink)}
.flow-step p{margin-top:10px;font-size:.93rem;color:var(--text-2)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px}}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#fff}
.split-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform 480ms var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.info-list{display:grid;gap:18px;margin-top:28px}
.info-item{display:flex;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:0;padding-bottom:0}
.info-item svg{width:22px;height:22px;flex:none;color:var(--brass-deep);margin-top:4px}
.info-item b{display:block;font-family:"Noto Serif SC",serif;font-size:1rem;color:var(--ink);font-weight:600}
.info-item span{display:block;margin-top:4px;font-size:.93rem;color:var(--text-2)}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.stat-box{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:18px 20px}
.stat-box b{display:block;font-family:Georgia,"Noto Serif SC",serif;font-size:1.6rem;color:var(--ink);line-height:1.3}
.stat-box span{font-size:13px;color:var(--text-3)}

/* ---------- 表单 ---------- */
.section-form{background:var(--sand);border-top:1px solid var(--line)}
.form-layout{display:grid;gap:32px}
@media (min-width:1024px){.form-layout{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:56px;align-items:start}}
.form-intro h2{font-size:clamp(1.6rem,2.6vw,2.05rem);color:var(--ink)}
.form-intro > p{margin-top:16px;color:var(--text-2);font-size:.98rem}
.form-points{display:grid;gap:14px;margin-top:26px}
.form-points li{display:flex;gap:12px;font-size:.94rem;color:var(--text-2)}
.form-points svg{width:20px;height:20px;flex:none;color:var(--brass-deep);margin-top:4px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 22px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.form-card{padding:38px 36px}}
.form-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){
  .form-grid{grid-template-columns:1fr 1fr}
  .form-grid .field-full{grid-column:1 / -1}
}
.field label{display:block;font-size:13px;letter-spacing:.02em;color:var(--text-2);margin-bottom:8px}
.field label .req{color:var(--rouge);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;font-size:.95rem;color:var(--text);line-height:1.6;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(185,138,75,.18);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--text-2);line-height:1.7}
.check-line input{width:18px;height:18px;flex:none;margin-top:4px;accent-color:var(--brass-deep)}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.form-hint{font-size:13px;color:var(--text-3)}
.form-error{
  margin-bottom:20px;padding:12px 14px;border-radius:var(--radius-input);
  background:rgba(158,59,72,.08);border:1px solid rgba(158,59,72,.35);
  color:var(--rouge);font-size:.9rem;
}
.form-success{background:var(--sand);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px}
.form-success .tick{
  width:46px;height:46px;border-radius:50%;border:1.5px solid var(--brass);
  color:var(--brass-deep);display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.form-success .tick svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.form-success h3{font-size:1.2rem;color:var(--ink)}
.form-success p{margin-top:12px;color:var(--text-2);font-size:.95rem}
.form-success .btn{margin-top:22px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-family:"Noto Serif SC",serif;font-size:1.05rem;font-weight:600;color:var(--ink);
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--brass-deep)}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brass);transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:1.5px}
.faq-icon::after{width:1.5px;height:14px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a p{padding:0 0 24px;color:var(--text-2);font-size:.95rem;max-width:760px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--ivory);position:relative;overflow:hidden}
.cta-inner{position:relative;padding:64px 0;text-align:center}
@media (min-width:1024px){.cta-inner{padding:88px 0}}
.cta-line{position:absolute;top:50%;transform:translateY(-50%);width:1px;height:78px;background:rgba(185,138,75,.5);display:none}
@media (min-width:1024px){.cta-line{display:block}}
.cta-line-l{left:7%}
.cta-line-r{right:7%}
.cta-band h2{font-size:clamp(1.6rem,2.8vw,2.2rem);color:var(--ivory)}
.cta-band p{margin-top:16px;color:rgba(250,246,240,.72);font-size:.98rem}
.cta-band .btn{margin-top:30px}

/* ---------- 页脚 ---------- */
.rl-footer{background:var(--ink);color:rgba(250,246,240,.8);padding:56px 0 28px}
@media (min-width:1024px){.rl-footer{padding:72px 0 32px}}
.footer-grid{display:grid;gap:36px;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:1.4fr 1fr 1fr 1.25fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ivory);font-family:"Noto Serif SC",serif;font-weight:700;font-size:1.05rem;letter-spacing:.08em;margin-bottom:18px}
.footer-text{font-size:.9rem;color:rgba(250,246,240,.62);line-height:1.9;max-width:360px}
.footer-title{font-size:.95rem;color:var(--ivory);letter-spacing:.05em;margin-bottom:18px}
.footer-list{display:grid;gap:11px}
.footer-list li{font-size:.9rem;color:rgba(250,246,240,.62);line-height:1.7}
.footer-list a{color:rgba(250,246,240,.72);border-bottom:1px solid transparent;transition:color var(--t) var(--ease),border-color var(--t) var(--ease)}
.footer-list a:hover{color:var(--brass);border-bottom-color:rgba(185,138,75,.65)}
.footer-copy{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(185,138,75,.2);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(250,246,240,.5);
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .hero-media:hover img,.split-media:hover img{transform:none}
}