/* roulang page: index */
:root{
  --pine:#1B3A34;
  --pine-2:#2E5C52;
  --clay:#C2603F;
  --paper:#F7F4EE;
  --sand:#EDE7DC;
  --ink:#14201C;
  --ink-2:#5A6660;
  --muted:#8A9A91;
  --line:#DFD6C8;
  --radius:3px;
  --shadow:0 12px 32px rgba(20,32,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#14201C;
  --bs-border-color:#DFD6C8;
  --bs-border-radius:3px;
  --bs-primary:#1B3A34;
  --bs-link-color:#14201C;
  --bs-link-hover-color:#C2603F;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
button,input{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:700;letter-spacing:.02em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;scroll-margin-top:120px;}
.section--tight{padding:72px 0;scroll-margin-top:120px;}
.section--sand{background:var(--sand);}
.section--pine{background:var(--pine);color:var(--paper);padding:96px 0;scroll-margin-top:120px;}
.section--pine h2,.section--pine h3{color:var(--paper);}
.section--pine p{color:rgba(247,244,238,.82);}

/* ---------- 品牌与按钮 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:2px;
  background:var(--pine);color:var(--paper);
  font-family:var(--serif);font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  line-height:1;letter-spacing:0;
}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--pine);letter-spacing:.03em;}
.brand:hover .brand-name{color:var(--pine-2);}
.brand--light .brand-mark{background:var(--paper);color:var(--pine);}
.brand--light .brand-name{color:var(--paper);}

.btn-clay,.btn-ghost,.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:2px;
  font-size:15px;font-weight:500;line-height:1;letter-spacing:.02em;
  cursor:pointer;transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  min-width:44px;
}
.btn-clay{background:var(--clay);color:var(--paper);border:1px solid var(--clay);}
.btn-clay:hover{background:var(--pine);border-color:var(--pine);color:var(--paper);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.btn-ink{background:var(--pine);color:var(--paper);border:1px solid var(--pine);}
.btn-ink:hover{background:var(--clay);border-color:var(--clay);color:var(--paper);}
.btn-clay i,.btn-ghost i,.btn-ink i{transition:transform .22s var(--ease);}
.btn-clay:hover i,.btn-ghost:hover i,.btn-ink:hover i{transform:translateX(3px);}
.link-quiet{
  font-size:15px;color:var(--ink-2);position:relative;padding-bottom:2px;
}
.link-quiet::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--ink-2);transform:scaleX(1);transform-origin:left;
  transition:background-color .22s var(--ease);
}
.link-quiet:hover{color:var(--clay);}
.link-quiet:hover::after{background:var(--clay);}
.link-line{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--pine);
  position:relative;padding-bottom:3px;font-weight:500;
}
.link-line::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--pine);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.link-line:hover{color:var(--clay);}
.link-line:hover::after{transform:scaleX(1);background:var(--clay);}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--clay);display:inline-block;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:48px;}
.sec-head h2{font-size:clamp(26px,2.6vw,40px);line-height:1.3;}
.sec-head .sec-desc{max-width:520px;font-size:16px;color:var(--ink-2);line-height:1.85;}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:2px;
  background:var(--sand);color:var(--pine);font-size:13px;line-height:1;letter-spacing:.02em;
}
.badge-line{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:2px;
  border:1px solid var(--clay);color:var(--clay);font-size:13px;line-height:1;
}
.tag-pill{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:2px;
  background:var(--sand);color:var(--pine);font-size:13px;line-height:1.4;
}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;}
.brand-bar{background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease);}
.site-header.scrolled .brand-bar{box-shadow:0 6px 18px rgba(20,32,28,.07);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand-tools{display:flex;align-items:center;gap:20px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:2px;background:#fff;min-width:230px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box i{font-size:13px;color:var(--muted);}
.search-box input{border:0;outline:none;background:transparent;font-size:14px;width:100%;color:var(--ink);}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--pine);box-shadow:0 0 0 3px rgba(27,58,52,.12);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:2px;
  background:transparent;color:var(--pine);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--sand);border-color:var(--pine);}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);}
.channel-inner{position:relative;display:flex;align-items:center;height:48px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--ink);line-height:1;transition:background-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.pill:hover{background:var(--sand);color:var(--pine);}
.pill.active{background:var(--pine);color:var(--paper);}
.pill.active:hover{background:var(--pine-2);color:var(--paper);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1200;background:var(--paper);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;padding:20px;
  visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:2px;background:transparent;
  color:var(--pine);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--sand);}
.drawer-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-family:var(--serif);font-size:19px;font-weight:700;color:var(--pine);
}
.drawer-list a i{font-size:14px;color:var(--muted);}
.drawer-list a:hover{color:var(--clay);}
.drawer-foot{margin-top:32px;display:flex;flex-direction:column;gap:14px;}
.drawer-foot .meta{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 40px;}
.hero-copy .eyebrow{margin-bottom:22px;}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);line-height:1.18;letter-spacing:.02em;
  margin-bottom:22px;
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--ink-2);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats .stat-num{font-family:var(--serif);font-size:40px;font-weight:700;line-height:1.1;color:var(--pine);}
.hero-stats .stat-num span{font-size:18px;margin-left:2px;color:var(--pine-2);}
.hero-stats .stat-label{font-size:13px;color:var(--muted);letter-spacing:.04em;margin-top:6px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:3px;
  border:1px solid var(--line);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:3px;
  background:rgba(27,58,52,.15);pointer-events:none;
}
.hero-media .media-note{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(247,244,238,.94);border-radius:2px;padding:8px 12px;
  font-size:13px;color:var(--pine);line-height:1.5;
}

/* ---------- 卖点区 ---------- */
.features-side{position:sticky;top:128px;}
.features-side .eyebrow{margin-bottom:18px;}
.features-side h2{font-size:clamp(26px,2.4vw,34px);line-height:1.35;margin-bottom:18px;}
.features-side p{font-size:15px;line-height:1.9;color:var(--ink-2);}
.feature-item{border-top:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:72px 1fr;gap:20px;}
.feature-item:last-child{border-bottom:1px solid var(--line);}
.feature-item .num{
  font-family:var(--serif);font-size:15px;font-weight:700;color:var(--clay);letter-spacing:.08em;line-height:1.9;
}
.feature-item h3{font-size:22px;line-height:1.5;margin-bottom:10px;}
.feature-item p{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:14px;}

/* ---------- 演示区 ---------- */
.demo-steps{display:flex;flex-direction:column;gap:4px;}
.demo-step{
  border-left:3px solid transparent;padding:18px 18px 18px 20px;border-radius:2px;
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
  cursor:default;
}
.demo-step .step-label{font-size:12px;letter-spacing:.14em;color:var(--muted);margin-bottom:6px;}
.demo-step h3{font-size:20px;line-height:1.5;color:var(--ink-2);transition:color .22s var(--ease);}
.demo-step p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:8px;margin-bottom:0;}
.demo-step.active{background:var(--sand);border-left-color:var(--clay);}
.demo-step.active h3{color:var(--pine);}
.demo-step.active p{color:var(--ink-2);}
.demo-media{position:relative;}
.demo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:3px;border:1px solid var(--line);}
.pin{
  position:absolute;display:flex;align-items:center;gap:8px;
  background:rgba(247,244,238,.95);border:1px solid var(--line);border-radius:2px;
  padding:6px 10px;font-size:13px;color:var(--pine);line-height:1.3;
}
.pin::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--clay);flex:0 0 8px;
}
.pin-1{top:14%;right:8%;}
.pin-2{bottom:16%;left:8%;}

/* ---------- 证据区 ---------- */
.proof-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px;}
.proof-num{border-top:1px solid var(--line);padding-top:22px;}
.proof-num .val{font-family:var(--serif);font-size:clamp(32px,3.6vw,44px);font-weight:700;line-height:1.1;color:var(--pine);}
.proof-num .val em{font-style:normal;font-size:18px;margin-left:2px;color:var(--pine-2);}
.proof-num .lab{font-size:14px;color:var(--ink-2);margin-top:8px;}
.quote-block{
  background:var(--sand);border-radius:3px;padding:48px 56px;margin-bottom:56px;position:relative;
}
.quote-block::before{
  content:"“";font-family:var(--serif);font-size:82px;line-height:1;color:var(--clay);
  position:absolute;left:24px;top:8px;opacity:.5;
}
.quote-block blockquote{
  margin:0 0 18px;font-family:var(--serif);font-size:clamp(20px,2vw,26px);line-height:1.7;
  color:var(--ink);padding-left:36px;
}
.quote-block cite{font-style:normal;font-size:14px;color:var(--ink-2);padding-left:36px;}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;}
.logo-cell{
  background:var(--paper);height:88px;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:16px;color:var(--ink-2);opacity:.6;transition:opacity .22s var(--ease),color .22s var(--ease);
  letter-spacing:.04em;
}
.logo-cell:hover{opacity:1;color:var(--pine);}

/* ---------- 资讯区 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--pine);}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--sand);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{
  font-size:20px;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;margin-top:auto;
  font-size:13px;color:var(--muted);
}
.news-more{color:var(--pine);font-size:13px;display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-more{color:var(--clay);}
.empty-state{
  border:1px dashed var(--line);border-radius:3px;padding:56px 24px;text-align:center;
  color:var(--ink-2);font-size:15px;display:flex;flex-direction:column;align-items:center;gap:18px;
}

/* ---------- 价格区 ---------- */
.price-row{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:24px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:3px;padding:32px 28px;
  display:flex;flex-direction:column;position:relative;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.price-card:hover{border-color:var(--pine);transform:translateY(-2px);}
.price-card.is-featured{border-color:var(--pine);}
.price-card.is-featured::before{
  content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--clay);border-radius:2px 2px 0 0;
}
.price-badge{
  position:absolute;right:20px;top:18px;font-size:12px;color:var(--clay);
  border:1px solid var(--clay);border-radius:2px;padding:2px 8px;line-height:1.5;
}
.price-card h3{font-size:22px;margin-bottom:8px;}
.price-card .price-note{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:22px;}
.price-amount{font-family:var(--serif);font-size:44px;font-weight:700;color:var(--pine);line-height:1.1;margin-bottom:6px;}
.price-amount small{font-family:var(--sans);font-size:14px;font-weight:400;color:var(--ink-2);margin-left:6px;}
.price-sub{font-size:13px;color:var(--muted);margin-bottom:24px;}
.price-list{margin-bottom:28px;display:flex;flex-direction:column;gap:10px;}
.price-list li{font-size:15px;line-height:1.7;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start;}
.price-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--pine);margin-top:9px;flex:0 0 6px;
}
.price-list li.off{color:var(--muted);}
.price-list li.off::before{background:transparent;border:1px dashed var(--muted);}
.price-card .btn-clay,.price-card .btn-ghost{margin-top:auto;width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:24px 0;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;color:var(--ink);
}
.faq-q .q-num{font-family:var(--serif);font-size:15px;color:var(--clay);line-height:1.9;flex:0 0 24px;}
.faq-q .q-text{font-size:17px;font-weight:500;line-height:1.8;flex:1 1 auto;font-family:var(--sans);}
.faq-q .q-icon{
  flex:0 0 24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--pine);font-size:14px;transition:transform .24s var(--ease);
}
.faq-q:hover .q-text{color:var(--pine);}
.faq-item.open .q-icon{transform:rotate(45deg);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.open .faq-panel{max-height:340px;}
.faq-a{padding:0 0 24px 40px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:680px;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--pine);color:var(--paper);padding:80px 0;}
.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px;}
.cta-inner h2{font-size:clamp(26px,2.8vw,38px);line-height:1.35;color:var(--paper);}
.cta-inner p{font-size:15px;color:rgba(247,244,238,.78);line-height:1.9;max-width:620px;}
.cta-contact{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 28px;font-size:14px;color:rgba(247,244,238,.8);}
.cta-contact a{color:rgba(247,244,238,.9);}
.cta-contact a:hover{color:var(--paper);}
.cta-band .btn-clay{background:var(--clay);border-color:var(--clay);color:var(--paper);}
.cta-band .btn-clay:hover{background:var(--paper);border-color:var(--paper);color:var(--pine);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--sand);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--ink-2);margin:16px 0 0;max-width:320px;}
.footer-col h4{font-size:15px;font-family:var(--sans);font-weight:700;letter-spacing:.06em;margin-bottom:16px;color:var(--pine);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--clay);}
.footer-col .f-text{font-size:14px;color:var(--ink-2);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--clay);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:900;display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-btn{
  width:52px;height:52px;border-radius:999px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;font-size:11px;line-height:1.2;
  background:#fff;border:1px solid var(--line);color:var(--pine);box-shadow:var(--shadow);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  cursor:pointer;
}
.float-btn i{font-size:15px;}
.float-btn:hover{background:var(--pine);color:var(--paper);border-color:var(--pine);}
.float-btn.clay{background:var(--clay);color:var(--paper);border-color:var(--clay);}
.float-btn.clay:hover{background:var(--pine);border-color:var(--pine);}
.mobile-bar{display:none;}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.js .reveal.in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container{max-width:1240px;}
}
@media (max-width:1199px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .section,.section--tight,.section--pine{padding:64px 0;}
  .brand-tools .search-box{display:none;}
  .brand-tools .link-quiet{display:none;}
  .brand-tools .btn-clay{display:none;}
  .nav-toggle{display:flex;}
  .channel-inner{height:auto;padding:0;}
  .channel-bar{overflow:hidden;}
  .channel-list{padding:8px 0;}
  .hero{padding:48px 0 24px;}
  .hero-media{margin-top:32px;}
  .hero-stats{gap:28px;}
  .features-side{position:static;margin-bottom:32px;}
  .demo-steps{margin-bottom:32px;}
  .price-row{grid-template-columns:1fr;gap:20px;}
  .proof-nums{grid-template-columns:1fr;gap:16px;}
  .quote-block{padding:36px 28px;}
  .quote-block blockquote{padding-left:0;}
  .quote-block cite{padding-left:0;}
  .float-cta{display:none;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:950;height:56px;
    background:var(--paper);border-top:1px solid var(--line);
  }
  .mobile-bar a{
    flex:1 1 50%;display:flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;color:var(--pine);font-weight:500;
  }
  .mobile-bar a:first-child{border-right:1px solid var(--line);}
  .mobile-bar a.clay{background:var(--clay);color:var(--paper);}
  .mobile-bar a.clay:hover{background:var(--pine);color:var(--paper);}
  body{padding-bottom:56px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .news-grid{grid-template-columns:1fr;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-stats{gap:24px;}
  .hero-stats .stat-num{font-size:32px;}
  .sec-head{margin-bottom:32px;}
  .feature-item{grid-template-columns:1fr;gap:8px;padding:24px 0;}
  .faq-a{padding-left:0;}
  .quote-block{padding:28px 20px;}
  .cta-band{padding:56px 0;}
}
@media (max-width:575px){
  .hero h1{font-size:30px;}
  .hero-actions .btn-clay,.hero-actions .btn-ghost{width:100%;}
  .news-body{padding:18px 20px 20px;}
  .price-card{padding:26px 20px;}
  .footer-grid{padding-bottom:36px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#14201C;
  --ink-soft:#5A6660;
  --yanqing:#1B3A34;
  --yanqing-soft:#2E5C52;
  --clay:#C2603F;
  --paper:#F7F4EE;
  --sand:#EDE7DC;
  --line:#DFD6C8;
  --moss:#8A9A91;
  --white:#FFFFFF;
  --radius:3px;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-float:0 12px 32px rgba(20,32,28,.12);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-radius:3px;
  --bs-primary:var(--yanqing);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--clay);
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
p{margin:0 0 1.4em;}
ul,ol{margin:0 0 1.4em;padding-left:1.35em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);letter-spacing:.02em;margin:0;}

/* ===== Header ===== */
.site-header{position:relative;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);}
.brand-row{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--yanqing);letter-spacing:.02em;}
.brand:hover{color:var(--yanqing-soft);}
.brand-mark{
  width:28px;height:28px;border-radius:3px;background:var(--yanqing);color:var(--paper);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:15px;font-weight:700;line-height:1;flex:0 0 28px;
}
.brand-name{white-space:nowrap;}
.brand-tools{display:flex;align-items:center;gap:18px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;min-width:236px;
  border:1px solid var(--line);border-radius:2px;background:var(--white);transition:border-color .2s var(--ease);
}
.search-box:focus-within{border-color:var(--yanqing);box-shadow:0 0 0 3px rgba(27,58,52,.12);}
.search-box i{color:var(--moss);font-size:13px;}
.search-box input{border:0;outline:none;background:transparent;font-size:14px;color:var(--ink);width:100%;}
.search-box input::placeholder{color:var(--moss);}
.ghost-link{font-size:14px;color:var(--ink-soft);position:relative;padding:4px 0;}
.ghost-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.ghost-link:hover{color:var(--clay);}
.ghost-link:hover::after{transform:scaleX(1);}
.btn-clay{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:2px;background:var(--clay);color:var(--paper);
  font-size:14px;font-weight:500;border:1px solid var(--clay);transition:all .22s var(--ease);
}
.btn-clay:hover{background:var(--yanqing);border-color:var(--yanqing);color:var(--paper);}
.btn-clay i{transition:transform .22s var(--ease);font-size:12px;}
.btn-clay:hover i{transform:translateX(3px);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:2px;background:var(--white);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--yanqing);}

/* ===== Channel tabs ===== */
.channel-bar{border-top:1px solid var(--line);background:var(--paper);}
.channel-inner{padding-top:0;padding-bottom:0;}
.channel-list{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:8px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;flex-wrap:nowrap;}
.channel-list::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--ink);white-space:nowrap;border:1px solid transparent;
  transition:all .2s var(--ease);
}
.pill:hover{background:var(--sand);color:var(--ink);}
.pill.active{background:var(--yanqing);color:var(--paper);border-color:var(--yanqing);}

/* ===== Mobile drawer ===== */
.drawer{
  position:fixed;inset:0;background:var(--paper);z-index:200;display:flex;flex-direction:column;
  padding:24px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:2px;background:var(--white);color:var(--ink);font-size:16px;}
.drawer-list{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;}
.drawer-list a{display:block;padding:14px 4px;font-family:var(--font-serif);font-size:19px;border-bottom:1px solid var(--line);}
.drawer-list a.active{color:var(--clay);}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft);display:flex;flex-direction:column;gap:12px;}

/* ===== Breadcrumb ===== */
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--moss);padding-top:26px;}
.breadcrumb-line a{color:var(--moss);}
.breadcrumb-line a:hover{color:var(--clay);}
.breadcrumb-line .sep{color:var(--line);}
.breadcrumb-line .current{color:var(--ink-soft);}

/* ===== Article layout ===== */
.page-main{padding-bottom:96px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;margin-top:24px;align-items:start;}
.article-main{min-width:0;}
.article-head{border-bottom:1px solid var(--line);padding-bottom:28px;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:2px;
  background:var(--sand);color:var(--yanqing);font-size:13px;letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(30px,3.2vw,40px);line-height:1.34;margin:16px 0 18px;letter-spacing:.02em;
}
.article-lead{
  font-size:17px;line-height:1.9;color:var(--ink-soft);border-left:3px solid var(--clay);
  padding-left:16px;margin:0 0 22px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--moss);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{font-size:12px;}
.meta-row time{color:var(--moss);}

.article-content{max-width:760px;padding-top:32px;font-size:17px;line-height:1.95;color:var(--ink);}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:28px;line-height:1.5;margin:2.1em 0 .8em;padding-left:16px;position:relative;
  scroll-margin-top:120px;
}
.article-content h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;background:var(--clay);border-radius:1px;}
.article-content h3{font-size:22px;line-height:1.55;margin:1.8em 0 .6em;color:var(--yanqing);}
.article-content h4{font-size:18px;margin:1.6em 0 .5em;color:var(--yanqing-soft);}
.article-content p{margin:0 0 1.4em;}
.article-content a{color:var(--yanqing);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--clay);}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.4em;}
.article-content ul{list-style:none;padding-left:1.2em;}
.article-content ul li{position:relative;padding-left:16px;margin-bottom:.5em;}
.article-content ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--clay);border-radius:1px;}
.article-content ol li{margin-bottom:.5em;}
.article-content ol li::marker{color:var(--clay);font-weight:600;}
.article-content blockquote{
  margin:1.8em 0;padding:20px 24px;background:var(--sand);border-left:3px solid var(--yanqing);
  color:var(--ink-soft);font-size:16px;line-height:1.9;border-radius:2px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:2px;margin:1.6em auto;max-width:100%;height:auto;}
.article-content figure{margin:1.8em 0;}
.article-content figcaption{font-size:13px;color:var(--moss);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);}
.article-content th{background:var(--sand);color:var(--yanqing);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);}
.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft);}
.article-content tr:last-child td{border-bottom:0;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-content code{background:var(--sand);padding:2px 6px;border-radius:2px;font-size:14px;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);max-width:760px;}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-soft);background:var(--white);transition:all .2s var(--ease);}
.tag:hover{border-color:var(--yanqing);color:var(--yanqing);}

/* ===== Sidebar ===== */
.article-side{display:flex;flex-direction:column;gap:28px;position:sticky;top:24px;}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:2px;padding:22px;}
.side-title{font-size:14px;font-weight:600;color:var(--yanqing);letter-spacing:.06em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:3px;height:13px;background:var(--clay);border-radius:1px;}
.toc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc a{display:block;font-size:14px;color:var(--ink-soft);padding:7px 10px;border-left:2px solid transparent;border-radius:0 2px 2px 0;transition:all .2s var(--ease);}
.toc a:hover,.toc a.is-current{color:var(--yanqing);background:var(--sand);border-left-color:var(--clay);}
.related-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.related-list li{border-bottom:1px solid var(--line);}
.related-list li:last-child{border-bottom:0;}
.related-list a{display:block;padding:12px 0;}
.related-list .r-title{display:block;font-size:15px;line-height:1.6;color:var(--ink);}
.related-list a:hover .r-title{color:var(--clay);}
.related-list .r-time{display:block;font-size:12px;color:var(--moss);margin-top:5px;}
.contact-card{background:var(--yanqing);border-radius:2px;padding:26px;color:var(--paper);}
.contact-card h3{color:var(--paper);font-size:20px;line-height:1.5;margin-bottom:10px;}
.contact-card p{font-size:14px;line-height:1.8;color:rgba(247,244,238,.8);margin-bottom:18px;}
.btn-paper{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:2px;background:var(--paper);color:var(--yanqing);font-size:14px;font-weight:600;transition:all .22s var(--ease);}
.btn-paper:hover{background:var(--clay);color:var(--paper);}
.btn-paper i{font-size:12px;transition:transform .22s var(--ease);}
.btn-paper:hover i{transform:translateX(3px);}

/* ===== Empty state ===== */
.empty-state{
  border:1px dashed var(--line);border-radius:2px;padding:52px 24px;text-align:center;
  background:var(--white);
}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--ink-soft);font-size:15px;margin-bottom:22px;}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:2px;border:1px solid var(--ink);color:var(--ink);background:transparent;font-size:14px;
  transition:all .22s var(--ease);
}
.btn-ink:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}

/* ===== Sections ===== */
.section{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:28px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.4vw,32px);line-height:1.4;}
.section-head .link-more{font-size:14px;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px;transition:color .2s var(--ease);}
.section-head .link-more:hover{color:var(--clay);}
.section-head .link-more i{font-size:11px;}

.extend-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.extend-card{
  display:block;border:1px solid var(--line);border-radius:2px;background:var(--white);
  padding:26px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.extend-card:hover{transform:translateY(-2px);border-color:var(--yanqing);}
.extend-card .dir{font-size:12px;color:var(--moss);letter-spacing:.12em;display:inline-block;margin-bottom:12px;}
.extend-card h3{font-size:21px;line-height:1.5;margin-bottom:10px;}
.extend-card p{font-size:15px;color:var(--ink-soft);margin:0 0 16px;}
.extend-card .go{font-size:14px;color:var(--yanqing);display:inline-flex;align-items:center;gap:6px;}
.extend-card:hover .go{color:var(--clay);}
.extend-card .go i{font-size:11px;transition:transform .22s var(--ease);}
.extend-card:hover .go i{transform:translateX(3px);}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.news-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:2px;overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease);}
.news-card:hover{transform:translateY(-2px);border-color:var(--yanqing);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sand);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body .badge-cat{align-self:flex-start;margin-bottom:12px;}
.news-body h3{font-size:19px;line-height:1.55;margin-bottom:10px;}
.news-body p{font-size:15px;color:var(--ink-soft);line-height:1.8;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{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(--moss);}
.news-meta .read{color:var(--yanqing);font-size:13px;display:inline-flex;align-items:center;gap:5px;}
.news-card:hover .news-meta .read{color:var(--clay);}

/* ===== CTA band ===== */
.cta-band{background:var(--yanqing);color:var(--paper);margin-top:88px;padding:72px 0;}
.cta-band .inner{max-width:720px;margin:0 auto;text-align:center;padding:0 32px;}
.cta-band h2{color:var(--paper);font-size:clamp(26px,3vw,38px);line-height:1.4;margin-bottom:16px;}
.cta-band p{color:rgba(247,244,238,.78);font-size:15px;margin-bottom:26px;}
.cta-band .btn-clay{height:48px;padding:0 28px;font-size:15px;}
.cta-line{margin-top:22px;font-size:13px;color:rgba(247,244,238,.62);letter-spacing:.02em;}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:var(--sand);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--ink-soft);max-width:320px;margin:0;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--yanqing);margin-bottom:16px;font-family:var(--font-sans);font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--ink-soft);}
.footer-col ul a:hover{color:var(--clay);}
.f-text{font-size:14px;line-height:1.95;color:var(--ink-soft);margin:0;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:48px;padding:22px 0;font-size:13px;color:var(--moss);}

/* ===== Floating CTA ===== */
.float-dock{position:fixed;right:24px;bottom:28px;z-index:150;display:flex;flex-direction:column;gap:10px;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease);}
.float-dock.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-btn{
  width:52px;height:52px;border-radius:999px;background:var(--yanqing);color:var(--paper);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11px;border:1px solid var(--yanqing);box-shadow:var(--shadow-float);transition:all .22s var(--ease);
}
.float-btn i{font-size:14px;}
.float-btn:hover{background:var(--clay);border-color:var(--clay);color:var(--paper);}
.float-btn.clay{background:var(--clay);border-color:var(--clay);}
.float-btn.clay:hover{background:var(--yanqing);border-color:var(--yanqing);}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 280px;}
  .article-side .contact-card{flex:1 1 100%;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .search-box{min-width:180px;}
  .ghost-link{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-content{max-width:none;}
  .tag-row{max-width:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .brand-name{font-size:17px;}
  .search-box{display:none;}
  .btn-clay{display:none;}
  .menu-toggle{display:flex;}
  .brand-row{min-height:60px;}
  .channel-bar{position:sticky;top:0;z-index:55;box-shadow:0 6px 16px rgba(20,32,28,.06);}
  .article-grid{margin-top:20px;gap:32px;}
  .article-head h1{font-size:26px;line-height:1.4;}
  .article-lead{font-size:16px;padding-left:14px;}
  .article-content{font-size:16.5px;line-height:1.9;padding-top:26px;}
  .article-content h2{font-size:23px;}
  .article-content h3{font-size:19px;}
  .extend-grid,.card-grid{grid-template-columns:minmax(0,1fr);}
  .section{padding-top:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-band{margin-top:64px;padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .article-side{flex-direction:column;}
  body{padding-bottom:64px;}
  .float-dock{
    left:0;right:0;bottom:0;flex-direction:row;gap:0;padding:0;border-top:1px solid var(--line);
    background:var(--paper);transform:translateY(100%);
  }
  .float-dock.show{transform:translateY(0);}
  .float-btn{
    flex:1;width:auto;height:56px;border-radius:0;flex-direction:row;gap:8px;font-size:13px;
    box-shadow:none;border:0;background:var(--paper);color:var(--yanqing);
  }
  .float-btn + .float-btn{border-left:1px solid var(--line);}
  .float-btn.clay{background:var(--clay);color:var(--paper);}
  .float-btn.clay:hover{background:var(--yanqing);}
}
@media (max-width:520px){
  .article-head h1{font-size:23px;}
  .meta-row{font-size:12px;gap:8px 14px;}
  .news-body{padding:18px;}
  .side-card{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#14201C;
  --deep:#1B3A34;
  --deep-2:#2E5C52;
  --clay:#C2603F;
  --paper:#F7F4EE;
  --sand:#EDE7DC;
  --line:#DFD6C8;
  --muted:#5A6660;
  --gg:#8A9A91;
  --radius:3px;
  --shadow:0 12px 32px rgba(20,32,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --bs-primary:#1B3A34;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#14201C;
  --bs-border-radius:3px;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#1B3A34;
  --bs-link-hover-color:#C2603F;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.95;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--deep);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);margin:0;letter-spacing:.02em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn-ink,.btn-clay,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:2px;font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:all .22s var(--ease);
  white-space:nowrap;min-width:44px;
}
.btn-clay{background:var(--clay);color:#FBF8F3;border-color:var(--clay);}
.btn-clay:hover{background:var(--deep);border-color:var(--deep);color:#FBF8F3;}
.btn-clay:hover .arw{transform:translateX(3px);}
.btn-ink{background:var(--deep);color:#FBF8F3;border-color:var(--deep);}
.btn-ink:hover{background:var(--ink);border-color:var(--ink);color:#FBF8F3;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.arw{transition:transform .22s var(--ease);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;
  color:var(--deep);position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--clay);}
.text-link:hover::after{transform:scaleX(1);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--paper);border-bottom:1px solid var(--line);}
.brand-bar{height:64px;border-bottom:1px solid var(--line);}
.brand-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  background:var(--deep);color:#FBF8F3;font-family:var(--serif);font-size:16px;line-height:1;
  border-radius:2px;
}
.brand-name{font-family:var(--serif);font-size:19px;letter-spacing:.04em;font-weight:700;}
.brand-tools{display:flex;align-items:center;gap:18px;}
.search-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:var(--sand);border:1px solid transparent;border-radius:999px;
  color:var(--gg);font-size:14px;cursor:pointer;transition:all .2s var(--ease);
}
.search-btn:hover{border-color:var(--deep);color:var(--deep);}
.search-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;}
.ghost-link{font-size:15px;color:var(--deep);padding:10px 4px;position:relative;}
.ghost-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.ghost-link:hover::after{transform:scaleX(1);}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;
  border-radius:2px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--paper);}
.channel-inner{display:flex;align-items:center;height:48px;}
.channel-list{
  display:flex;align-items:center;gap:6px;list-style:none;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;width:100%;
  padding:0;margin:0;
}
.channel-list::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--ink);white-space:nowrap;transition:all .2s var(--ease);
}
.pill:hover{background:var(--sand);color:var(--deep);}
.pill.active{background:var(--deep);color:#FBF8F3;}
.pill.active:hover{background:var(--deep-2);color:#FBF8F3;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:2000;background:var(--paper);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:2px;
  font-size:22px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-nav{list-style:none;margin:18px 0 0;padding:0;}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:block;padding:16px 4px;font-size:17px;color:var(--ink);}
.drawer-nav a.active{color:var(--clay);font-weight:600;}
.drawer-foot{margin-top:28px;font-size:14px;color:var(--muted);line-height:2;}
.drawer-foot .btn-clay{margin-top:16px;width:100%;}

/* ---------- 横幅 ---------- */
.banner{background:var(--sand);border-bottom:1px solid var(--line);padding:56px 0 0;overflow:hidden;}
.banner-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.banner-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:2px;
  background:var(--deep);color:#FBF8F3;font-size:13px;letter-spacing:.08em;margin-bottom:20px;
}
.banner h1{font-size:clamp(30px,4vw,48px);line-height:1.2;margin-bottom:18px;}
.banner-sub{font-size:18px;color:var(--muted);line-height:1.8;max-width:30em;margin-bottom:26px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;}
.banner-media{position:relative;}
.banner-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  border:1px solid rgba(27,58,52,.12);
}
.banner-scroll{height:40px;}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;
  color:var(--gg);margin-bottom:16px;font-family:var(--sans);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--clay);}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.32;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--muted);line-height:1.9;}

/* ---------- 方案布局 ---------- */
.plan-layout{display:grid;grid-template-columns:200px 1fr;gap:64px;align-items:start;}
.toc{position:sticky;top:128px;}
.toc-title{font-size:13px;letter-spacing:.16em;color:var(--gg);margin-bottom:14px;}
.toc ul{list-style:none;}
.toc a{
  display:block;padding:9px 0 9px 14px;border-left:2px solid var(--line);
  font-size:15px;color:var(--muted);transition:all .2s var(--ease);
}
.toc a:hover,.toc a.active{
  color:var(--deep);border-left-color:var(--clay);
  background:linear-gradient(90deg,rgba(194,96,63,.08),transparent 70%);
}
.plan{padding:52px 0;border-top:1px solid var(--line);scroll-margin-top:130px;}
.plan:first-child{border-top:none;padding-top:0;}
.plan-inner{display:grid;grid-template-columns:1fr;gap:40px;}
.plan--media .plan-inner{grid-template-columns:1fr 1fr;align-items:center;}
.plan-no{
  display:block;font-family:var(--serif);font-size:15px;letter-spacing:.12em;
  color:var(--clay);margin-bottom:12px;
}
.plan h3{font-size:clamp(20px,2vw,25px);line-height:1.4;margin-bottom:16px;}
.plan p{font-size:16px;color:var(--muted);line-height:1.95;}
.plan-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line);
}
.plan--media.reverse .plan-media{order:-1;}
.plan-points{list-style:none;margin:22px 0 24px;display:grid;gap:12px;}
.plan-points li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);line-height:1.8;}
.plan-points li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--clay);border-radius:1px;
}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--deep);color:#F3EFE7;padding:80px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:36px;}
.stat-num{font-family:var(--serif);font-size:clamp(34px,4vw,48px);line-height:1.1;color:#FBF8F3;}
.stat-num em{font-style:normal;font-size:16px;margin-left:6px;color:rgba(247,244,238,.72);font-family:var(--sans);}
.stat-label{font-size:13px;letter-spacing:.1em;color:rgba(247,244,238,.66);margin-top:10px;}
.stats-note{
  border-top:1px solid rgba(247,244,238,.18);padding-top:26px;
  font-size:16px;color:rgba(247,244,238,.82);max-width:760px;line-height:1.9;
}

/* ---------- 交付节奏 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.step{border-top:1px solid var(--line);padding-top:22px;position:relative;}
.step::before{content:"";position:absolute;top:-1px;left:0;width:52px;height:2px;background:var(--clay);}
.step-no{font-family:var(--serif);font-size:13px;letter-spacing:.12em;color:var(--clay);margin-bottom:8px;}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.85;}
.step-time{display:inline-block;margin-top:12px;font-size:13px;color:var(--gg);}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;padding:22px 0;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-no{font-family:var(--serif);font-size:13px;color:var(--gg);flex:none;}
.faq-q{flex:1;font-size:17px;font-weight:500;line-height:1.6;color:var(--ink);}
.faq-ic{position:relative;width:16px;height:16px;flex:none;}
.faq-ic::before,.faq-ic::after{
  content:"";position:absolute;background:var(--deep);transition:transform .26s var(--ease);
}
.faq-ic::before{left:0;top:7px;width:16px;height:2px;}
.faq-ic::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-ic::after{transform:rotate(90deg);opacity:0;}
.faq-a{padding:0 0 24px 34px;}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.9;}

/* ---------- CTA 横条 ---------- */
.cta-band{background:var(--deep);color:#F3EFE7;padding:88px 0;text-align:center;}
.cta-band h2{color:#FBF8F3;font-size:clamp(24px,3vw,38px);line-height:1.3;margin-bottom:28px;}
.cta-band .btn-clay{background:var(--clay);border-color:var(--clay);}
.cta-band .btn-clay:hover{background:#FBF8F3;border-color:#FBF8F3;color:var(--deep);}
.cta-contact{margin-top:26px;font-size:14px;color:rgba(247,244,238,.72);line-height:2;}
.cta-contact a{color:rgba(247,244,238,.9);}
.cta-contact a:hover{color:var(--clay);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--sand);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:26em;}
.footer-col h4{font-size:15px;margin-bottom:16px;font-family:var(--sans);font-weight:700;letter-spacing:.04em;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--clay);}
.f-text{font-size:14px;color:var(--muted);line-height:2;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--gg);
}

/* ---------- 浮动操作 ---------- */
.float-bar{
  position:fixed;right:24px;bottom:28px;z-index:1000;display:flex;flex-direction:column;gap:10px;
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all .28s var(--ease);
}
.float-bar.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-btn{
  width:52px;height:52px;border-radius:999px;border:1px solid var(--deep);
  background:var(--deep);color:#FBF8F3;font-size:13px;letter-spacing:.05em;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow);transition:all .2s var(--ease);
}
.float-btn:hover{background:var(--clay);border-color:var(--clay);}
.float-btn.top{background:var(--paper);color:var(--deep);border-color:var(--line);}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .plan-layout{grid-template-columns:170px 1fr;gap:44px;}
  .banner-grid{gap:40px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .plan-layout{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;top:auto;}
  .toc ul{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .toc ul::-webkit-scrollbar{display:none;}
  .toc a{
    border-left:none;border-bottom:2px solid transparent;white-space:nowrap;
    padding:8px 14px;border-radius:999px;background:var(--sand);color:var(--deep);font-size:14px;
  }
  .toc a:hover,.toc a.active{border-left:none;border-bottom-color:var(--clay);background:var(--sand);}
  .banner-grid{grid-template-columns:1fr;}
  .banner-media{order:-1;}
  .banner-media img{aspect-ratio:16/9;}
  .plan--media .plan-inner{grid-template-columns:1fr;}
  .plan--media.reverse .plan-media{order:0;}
  .steps{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search-btn .search-ph{display:none;}
  .ghost-link{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:56px;}
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .banner{padding:36px 0 0;}
  .banner-actions{width:100%;}
  .banner-actions .btn-clay,.banner-actions .btn-ghost{flex:1 1 auto;}
  .brand-tools .btn-clay{display:none;}
  .menu-toggle{display:flex;}
  .stats-grid{grid-template-columns:1fr;gap:26px;}
  .stats-band{padding:60px 0;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .faq-a{padding-left:0;}
  .cta-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .float-bar{
    left:0;right:0;bottom:0;flex-direction:row;gap:0;transform:translateY(100%);
  }
  .float-bar.show{transform:translateY(0);}
  .float-btn{
    width:50%;height:56px;border-radius:0;box-shadow:none;
    border-left:1px solid rgba(255,255,255,.12);font-size:14px;
  }
  .float-btn.top{border-radius:0;}
}
@media (max-width:520px){
  .banner h1{font-size:27px;}
  .banner-sub{font-size:16px;}
  .pill{font-size:14px;padding:0 12px;}
  .plan{padding:38px 0;}
}

/* roulang page: category2 */
:root{
  --ink-green:#1B3A34;
  --ink-green-2:#2E5C52;
  --clay:#C2603F;
  --paper:#F7F4EE;
  --sand:#EDE7DC;
  --ink:#14201C;
  --muted:#5A6660;
  --line:#DFD6C8;
  --gray-green:#8A9A91;
  --white:#FFFFFF;
  --radius:3px;
  --shadow-float:0 12px 32px rgba(20,32,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC",Songti SC,SimSun,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-primary:#1B3A34;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#14201C;
  --bs-border-radius:3px;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--ink-green);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;letter-spacing:.02em;}
p{margin:0 0 1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}
.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}
@media (max-width:768px){.container{padding-left:20px;padding-right:20px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--paper);border-bottom:1px solid var(--line);}
.brand-row{height:64px;display:flex;align-items:center;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-green);color:var(--paper);border-radius:2px;
  font-family:var(--font-serif);font-size:15px;font-weight:700;line-height:1;
  flex:0 0 28px;
}
.brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink-green);letter-spacing:.04em;}
.brand-tools{display:flex;align-items:center;gap:16px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  border:1px solid var(--line);border-radius:2px;background:var(--white);min-width:220px;
  transition:border-color .2s var(--ease);
}
.search-box:focus-within{border-color:var(--ink-green);box-shadow:0 0 0 3px rgba(27,58,52,.12);}
.search-box svg{flex:0 0 16px;stroke:var(--gray-green);}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);width:100%;}
.search-box input::placeholder{color:var(--gray-green);}
.text-btn{
  font-size:15px;color:var(--ink);padding:10px 4px;position:relative;display:inline-block;
  min-height:44px;line-height:24px;
}
.text-btn::after{
  content:"";position:absolute;left:4px;right:4px;bottom:8px;height:1px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-btn:hover::after{transform:scaleX(1);}
.btn-clay{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  background:var(--clay);color:var(--paper);border:1px solid var(--clay);border-radius:2px;
  font-size:15px;font-weight:500;transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-clay:hover{background:var(--ink-green);border-color:var(--ink-green);color:var(--paper);}
.btn-clay.small{height:38px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);border-radius:2px;
  font-size:15px;transition:background .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost.on-dark{color:var(--paper);border-color:rgba(247,244,238,.55);}
.btn-ghost.on-dark:hover{background:var(--paper);color:var(--ink-green);border-color:var(--paper);}
.arrow{transition:transform .22s var(--ease);display:inline-block;}
.btn-clay:hover .arrow,.btn-ghost:hover .arrow{transform:translateX(3px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:2px;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-green);}

/* ---------- channel bar ---------- */
.channel-bar{border-top:1px solid var(--line);background:var(--paper);}
.channel-inner{position:relative;}
.channel-list{
  display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--ink);white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease);
}
.pill:hover{background:var(--sand);color:var(--ink);}
.pill.active{background:var(--ink-green);color:var(--paper);}
.pill.active:hover{background:var(--ink-green);color:var(--paper);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:1100;background:var(--paper);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:24px 20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:2px;font-size:22px;line-height:1;color:var(--ink-green);
}
.drawer-nav a{
  display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink);
}
.drawer-nav a.active{color:var(--clay);font-weight:500;}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:14px;color:var(--muted);line-height:1.9;}
.drawer-cta{margin:20px 0 16px;}

/* ---------- hero banner ---------- */
.page-banner{background:var(--sand);border-bottom:1px solid var(--line);}
.banner-inner{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:64px 0 72px;
}
.banner-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;
  color:var(--clay);text-transform:uppercase;margin-bottom:18px;
}
.banner-eyebrow::before{content:"";width:28px;height:1px;background:var(--clay);display:inline-block;}
.page-banner h1{
  font-size:clamp(34px,4.4vw,52px);line-height:1.18;font-weight:700;margin-bottom:20px;
}
.banner-lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:34em;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.banner-figure{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:16/11;}
.banner-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.banner-figure::after{
  content:"";position:absolute;inset:0;background:rgba(27,58,52,.16);
}
.banner-figure figcaption{
  position:absolute;left:20px;bottom:18px;z-index:2;color:var(--paper);font-size:13px;
  letter-spacing:.08em;
}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.sand{background:var(--sand);}
.section.dark{background:var(--ink-green);color:var(--paper);padding:96px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .kicker{
  display:block;font-size:13px;letter-spacing:.16em;color:var(--clay);margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,2.6vw,36px);line-height:1.3;margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section.dark .section-head h2{color:var(--paper);}
.section.dark .section-head p{color:rgba(247,244,238,.72);}
.section.dark .section-head .kicker{color:#E2A183;}

/* ---------- filter pills ---------- */
.filter-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:36px;scrollbar-width:none;}
.filter-row::-webkit-scrollbar{display:none;}
.filter-pill{
  height:38px;padding:0 20px;border-radius:999px;border:1px solid var(--line);
  background:var(--white);color:var(--ink);font-size:14px;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-pill:hover{border-color:var(--ink-green);}
.filter-pill.active{background:var(--ink-green);border-color:var(--ink-green);color:var(--paper);}

/* ---------- case grid ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;}
.case-card{
  background:var(--white);border:1px solid var(--line);border-radius:3px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.case-card:hover{transform:translateY(-2px);border-color:var(--ink-green);}
.case-media{aspect-ratio:16/9;overflow:hidden;position:relative;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.tag{
  display:inline-flex;align-items:center;font-size:13px;padding:4px 10px;border-radius:2px;
  background:var(--sand);color:var(--ink-green);align-self:flex-start;
}
.tag.outline{background:transparent;border:1px solid var(--clay);color:var(--clay);}
.case-card h3{font-size:22px;line-height:1.45;font-weight:700;}
.case-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.85;}
.case-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  border-top:1px solid var(--line);padding-top:16px;margin-top:auto;
}
.case-stats .num{
  font-family:var(--font-serif);font-size:26px;line-height:1.2;color:var(--ink-green);font-weight:700;
}
.case-stats .num small{font-size:13px;font-family:var(--font-sans);font-weight:400;color:var(--gray-green);margin-left:2px;}
.case-stats .lbl{display:block;font-size:13px;color:var(--gray-green);line-height:1.6;margin-top:2px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--ink);
  position:relative;padding-bottom:2px;align-self:flex-start;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--clay);}
.text-link:hover::after{transform:scaleX(1);}

/* ---------- metrics band ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.metric{border-left:2px solid var(--clay);padding-left:20px;}
.metric .value{
  font-family:var(--font-serif);font-size:clamp(32px,3.4vw,44px);line-height:1.1;
  color:var(--ink-green);font-weight:700;
}
.metric .value span{font-size:16px;font-family:var(--font-sans);font-weight:400;color:var(--muted);margin-left:4px;}
.metric .label{display:block;font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7;}

/* ---------- quote ---------- */
.quote-block{max-width:880px;margin:0 auto;text-align:center;}
.quote-mark{font-family:var(--font-serif);font-size:64px;line-height:.8;color:var(--clay);display:block;margin-bottom:18px;}
.quote-block blockquote{
  margin:0 0 26px;font-family:var(--font-serif);font-size:clamp(20px,2.1vw,28px);
  line-height:1.65;color:var(--paper);font-weight:600;
}
.quote-meta{font-size:14px;color:rgba(247,244,238,.72);line-height:1.8;}
.quote-meta strong{color:var(--paper);font-weight:500;}

/* ---------- process ---------- */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.process-item{padding:28px 28px 28px 0;border-right:1px solid var(--line);}
.process-item:last-child{border-right:0;}
.process-item .step{
  font-family:var(--font-serif);font-size:15px;color:var(--clay);letter-spacing:.1em;
  display:block;margin-bottom:12px;
}
.process-item h3{font-size:19px;margin-bottom:10px;line-height:1.5;}
.process-item p{font-size:15px;color:var(--muted);margin:0;line-height:1.85;}

/* ---------- material list ---------- */
.material-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 48px;}
.material-item{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
}
.material-item .dot{
  flex:0 0 8px;width:8px;height:8px;background:var(--clay);border-radius:1px;margin-top:12px;
}
.material-item h3{font-size:17px;margin-bottom:6px;line-height:1.5;}
.material-item p{font-size:15px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 0;font-size:17px;font-weight:500;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .idx{
  font-family:var(--font-serif);font-size:14px;color:var(--clay);flex:0 0 28px;line-height:1.8;
}
.faq-item .q-text{flex:1;}
.faq-item .sign{
  flex:0 0 20px;position:relative;width:20px;height:20px;margin-top:4px;
}
.faq-item .sign::before,
.faq-item .sign::after{
  content:"";position:absolute;background:var(--ink-green);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-item .sign::before{left:0;top:9px;width:16px;height:2px;}
.faq-item .sign::after{left:7px;top:2px;width:2px;height:16px;}
.faq-item[open] .sign::after{transform:scaleY(0);opacity:0;}
.faq-item .answer{
  padding:0 0 24px 44px;font-size:15px;line-height:1.9;color:var(--muted);max-width:44em;
}
.faq-item .answer p{margin:0;}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink-green);color:var(--paper);padding:80px 0;}
.cta-inner{text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{
  color:var(--paper);font-size:clamp(26px,3vw,38px);line-height:1.3;margin-bottom:18px;
}
.cta-inner p{color:rgba(247,244,238,.76);font-size:16px;margin-bottom:28px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}
.cta-meta{margin-top:26px;font-size:13px;color:rgba(247,244,238,.6);letter-spacing:.04em;}

/* ---------- footer ---------- */
.site-footer{background:var(--sand);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;margin:16px 0 0;max-width:30em;}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-green);margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--clay);}
.f-text{font-size:14px;color:var(--muted);line-height:1.95;margin:0;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13px;color:var(--gray-green);
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:1040;display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-btn{
  display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:999px;
  background:var(--ink-green);color:var(--paper);font-size:13px;line-height:1.3;text-align:center;
  border:1px solid var(--ink-green);box-shadow:var(--shadow-float);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.float-btn:hover{background:var(--clay);border-color:var(--clay);color:var(--paper);transform:translateY(-2px);}
.float-btn.alt{background:var(--white);color:var(--ink-green);border-color:var(--line);}
.float-btn.alt:hover{background:var(--clay);color:var(--paper);border-color:var(--clay);}

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

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .banner-inner{grid-template-columns:1fr 1fr;gap:36px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .process-list{grid-template-columns:repeat(2,1fr);}
  .process-item:nth-child(2){border-right:0;}
  .process-item:nth-child(1),.process-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:992px){
  .brand-tools .text-btn{display:none;}
  .brand-tools .btn-clay{display:none;}
  .search-box{min-width:160px;}
  .nav-toggle{display:flex;}
  .banner-inner{grid-template-columns:1fr;gap:32px;padding:48px 0 56px;}
  .banner-figure{aspect-ratio:16/9;order:-1;}
  .case-grid{grid-template-columns:1fr;gap:24px;}
  .material-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .section.dark{padding:72px 0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .search-box{display:none;}
  .case-stats .num{font-size:22px;}
  .metric-grid{grid-template-columns:1fr 1fr;}
  .float-cta{
    right:0;left:0;bottom:0;flex-direction:row;gap:0;transform:none;
    border-top:1px solid var(--line);background:var(--paper);padding:0;
  }
  .float-cta.show{transform:none;}
  .float-btn{
    flex:1;height:56px;width:auto;border-radius:0;box-shadow:none;border:0;
    background:var(--paper);color:var(--ink-green);font-size:15px;
  }
  .float-btn:hover{transform:none;}
  .float-btn.alt{border-left:1px solid var(--line);}
  body{padding-bottom:56px;}
}
@media (max-width:576px){
  .banner-actions .btn-clay,.banner-actions .btn-ghost{width:100%;justify-content:center;}
  .case-body{padding:20px 20px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr;}
  .process-list{grid-template-columns:1fr;}
  .process-item{border-right:0;border-bottom:1px solid var(--line);padding-right:0;}
  .process-item:last-child{border-bottom:0;}
  .quote-block blockquote{font-size:19px;}
  .faq-item .answer{padding-left:0;}
}

/* roulang page: category3 */
:root{
  --ink:#14201C;
  --ink-soft:#5A6660;
  --green:#1B3A34;
  --green-2:#2E5C52;
  --clay:#C2603F;
  --paper:#F7F4EE;
  --sand:#EDE7DC;
  --line:#DFD6C8;
  --muted:#8A9A91;
  --white:#FFFFFF;
  --radius:3px;
  --shadow:0 12px 32px rgba(20,32,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-bg:#F7F4EE;
  --bs-body-color:#14201C;
  --bs-body-font-family:var(--font-sans);
  --bs-border-radius:3px;
  --bs-primary:#1B3A34;
  --bs-link-color:#1B3A34;
  --bs-link-hover-color:#C2603F;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.95;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:700;letter-spacing:.02em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--clay);display:inline-block;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,2.6vw,40px);line-height:1.3;margin-bottom:16px;}
.section-head p{color:var(--ink-soft);font-size:16px;line-height:1.9;margin:0;}

/* ---------- 按钮 ---------- */
.btn-ink,.btn-clay,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:2px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-clay{background:var(--clay);color:var(--paper);}
.btn-clay:hover,.btn-clay:focus{background:var(--green);color:var(--paper);}
.btn-clay .arr,.btn-ghost .arr,.btn-ink .arr{transition:transform .22s var(--ease);}
.btn-clay:hover .arr,.btn-ghost:hover .arr,.btn-ink:hover .arr{transform:translateX(3px);}
.btn-ink{background:var(--ink);color:var(--paper);}
.btn-ink:hover{background:var(--green);color:var(--paper);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.link-line{
  display:inline-block;position:relative;font-size:15px;font-weight:600;color:var(--green);padding-bottom:2px;
}
.link-line::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.link-line:hover{color:var(--clay);}
.link-line:hover::after{transform:scaleX(1);}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:60;background:var(--paper);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:64px;border-bottom:1px solid var(--line);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--green);color:var(--paper);border-radius:2px;
  font-family:var(--font-serif);font-size:16px;font-weight:700;line-height:1;
  letter-spacing:0;
}
.brand-name{font-family:var(--font-sans);font-size:19px;font-weight:700;color:var(--green);letter-spacing:.04em;}
.brand-actions{display:flex;align-items:center;gap:18px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--white);
  border-radius:999px;padding:0 16px;height:38px;min-width:220px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(27,58,52,.12);}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);
  width:100%;height:100%;
}
.search-box input::placeholder{color:var(--muted);}
.link-quiet{font-size:15px;color:var(--ink-soft);}
.link-quiet:hover{color:var(--clay);}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:2px;color:var(--green);
  font-size:18px;cursor:pointer;
}

/* ---------- 频道条 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:55;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;align-items:center;min-height:48px;}
.channel-list{
  display:flex;align-items:center;gap:6px;flex-wrap:nowrap;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:6px 0;width:100%;
}
.channel-list::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 18px;border-radius:999px;white-space:nowrap;
  font-size:14px;font-weight:500;color:var(--ink);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.pill:hover{background:var(--sand);color:var(--green);}
.pill.active{background:var(--green);color:var(--paper);}
.pill.active:hover{background:var(--green-2);color:var(--paper);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px;
  overflow-y:auto;visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:2px;color:var(--ink);font-size:18px;cursor:pointer;
}
.drawer-list{margin:26px 0;display:flex;flex-direction:column;gap:4px;}
.drawer-list a{
  display:block;padding:14px 6px;font-size:18px;font-family:var(--font-serif);
  color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-list a.current{color:var(--clay);}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft);line-height:2;}
.drawer-foot .btn-clay{width:100%;margin-bottom:18px;}

/* ---------- 分类横幅 ---------- */
.page-hero{
  background:var(--sand);
  border-bottom:1px solid var(--line);
  padding:64px 0 0;
  overflow:hidden;
}
.page-hero-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,0.85fr);
  gap:48px;align-items:end;
}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--clay);}
.crumbs span.sep{margin:0 8px;color:var(--line);}
.page-hero h1{
  font-size:clamp(32px,4vw,50px);line-height:1.2;margin-bottom:20px;
}
.page-hero .lede{
  font-size:17px;line-height:1.95;color:var(--ink-soft);max-width:620px;margin-bottom:28px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:2px;
  background:var(--paper);color:var(--green);font-size:13px;letter-spacing:.02em;
}
.tag-outline{background:transparent;border:1px solid var(--clay);color:var(--clay);}
.page-hero-figure{
  position:relative;border-radius:3px 3px 0 0;overflow:hidden;align-self:end;
  aspect-ratio:4/3;background:var(--green);
}
.page-hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.page-hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(27,58,52,.16);
}
.page-hero-figure figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;color:var(--paper);
  font-size:13px;letter-spacing:.04em;
}

/* ---------- 方案卡 ---------- */
.plan-grid{
  display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:24px;align-items:stretch;
}
.plan{
  position:relative;display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:3px;
  padding:28px;transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.plan:hover{border-color:var(--green);transform:translateY(-2px);}
.plan.featured{background:var(--paper);border-color:var(--green);}
.plan.featured::before{
  content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--clay);border-radius:2px 2px 0 0;
}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.plan-name{font-size:22px;font-family:var(--font-serif);}
.badge-rec{
  font-size:12px;letter-spacing:.08em;color:var(--clay);border:1px solid var(--clay);
  padding:2px 8px;border-radius:2px;white-space:nowrap;
}
.plan-price{
  font-family:var(--font-serif);font-size:44px;line-height:1.1;color:var(--green);
  display:flex;align-items:baseline;gap:6px;margin-bottom:6px;
}
.plan-price .unit{font-family:var(--font-sans);font-size:14px;color:var(--muted);font-weight:400;}
.plan-price .cur{font-size:22px;font-family:var(--font-serif);}
.plan-desc{font-size:14px;color:var(--ink-soft);line-height:1.85;margin-bottom:20px;min-height:52px;}
.plan-list{border-top:1px solid var(--line);padding-top:20px;margin-bottom:26px;display:flex;flex-direction:column;gap:12px;}
.plan-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--ink);}
.plan-list li .dot{
  width:7px;height:7px;background:var(--clay);border-radius:50%;flex-shrink:0;margin-top:9px;
}
.plan-list li.off{color:var(--muted);}
.plan-list li.off .dot{background:transparent;border:1px dashed var(--muted);width:8px;height:8px;}
.plan .btn-clay,.plan .btn-ghost{width:100%;margin-top:auto;}
.plan-note{font-size:13px;color:var(--muted);margin-top:18px;line-height:1.7;}

/* ---------- 对比表 ---------- */
.compare-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:3px;background:var(--white);
}
table.compare{
  width:100%;border-collapse:collapse;min-width:760px;font-size:15px;
}
table.compare th,table.compare td{
  padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);
  border-right:0;vertical-align:middle;
}
table.compare thead th{
  background:var(--sand);color:var(--green);font-weight:600;font-size:14px;
  letter-spacing:.04em;position:sticky;top:0;z-index:2;
}
table.compare tbody th[scope="row"]{
  position:sticky;left:0;background:var(--white);font-weight:500;color:var(--ink-soft);
  width:180px;min-width:180px;z-index:1;box-shadow:1px 0 0 var(--line);
}
table.compare thead th:first-child{position:sticky;left:0;z-index:3;background:var(--sand);}
table.compare tbody tr:hover td,table.compare tbody tr:hover th[scope="row"]{background:#FBF9F4;}
table.compare tbody tr:last-child td,table.compare tbody tr:last-child th{border-bottom:0;}
.mark{color:var(--clay);font-size:13px;display:inline-flex;align-items:center;gap:8px;}
.mark::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--clay);}
.mark-no{color:var(--muted);font-size:13px;display:inline-flex;align-items:center;gap:8px;}
.mark-no::before{content:"";width:8px;height:8px;border-radius:50%;border:1px dashed var(--muted);}

/* ---------- 交付流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:flow;}
.flow-item{
  background:var(--white);border:1px solid var(--line);border-radius:3px;padding:24px 20px;
  position:relative;transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.flow-item:hover{border-color:var(--green);transform:translateY(-2px);}
.flow-item .num{
  font-family:var(--font-serif);font-size:13px;color:var(--clay);letter-spacing:.14em;display:block;margin-bottom:14px;
}
.flow-item h3{font-size:18px;margin-bottom:10px;font-family:var(--font-sans);font-weight:600;}
.flow-item p{font-size:14px;line-height:1.8;color:var(--ink-soft);margin:0;}

/* ---------- 说明双栏 ---------- */
.notes{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start;
}
.note-card{
  background:var(--sand);border-radius:3px;padding:32px;border-left:3px solid var(--green);
}
.note-card h3{font-size:20px;margin-bottom:12px;}
.note-card p{font-size:15px;line-height:1.9;color:var(--ink-soft);margin:0 0 10px;}
.note-card p:last-child{margin-bottom:0;}
.figure-card{border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--white);}
.figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-card .fig-body{padding:22px 24px;}
.figure-card .fig-body h3{font-size:18px;margin-bottom:8px;font-family:var(--font-sans);font-weight:600;}
.figure-card .fig-body p{font-size:14px;color:var(--ink-soft);margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:500;color:var(--ink);transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-item summary .idx{font-family:var(--font-serif);font-size:13px;color:var(--clay);letter-spacing:.1em;flex-shrink:0;}
.faq-item summary .q{flex:1;}
.faq-item summary .ico{
  width:22px;height:22px;flex-shrink:0;position:relative;color:var(--green);
}
.faq-item summary .ico::before,
.faq-item summary .ico::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;transition:transform .22s var(--ease);
}
.faq-item summary .ico::before{width:13px;height:1.5px;transform:translate(-50%,-50%);}
.faq-item summary .ico::after{width:1.5px;height:13px;transform:translate(-50%,-50%);}
.faq-item[open] summary .ico::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item .answer{padding:0 4px 24px 40px;font-size:15px;line-height:1.9;color:var(--ink-soft);}
.faq-item .answer p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{background:var(--green);color:var(--paper);padding:72px 0;}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{color:var(--paper);font-size:clamp(24px,2.6vw,36px);line-height:1.3;margin-bottom:12px;}
.cta-band p{color:rgba(247,244,238,.78);font-size:15px;margin:0;line-height:1.9;}
.cta-band .btn-clay{background:var(--clay);}
.cta-band .btn-clay:hover{background:var(--paper);color:var(--green);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--sand);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--ink-soft);margin:0;max-width:320px;}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--green);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--ink-soft);}
.footer-col li a:hover{color:var(--clay);}
.f-text{font-size:14px;line-height:2;color:var(--ink-soft);margin:0;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:90px;z-index:80;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta a{
  width:56px;min-height:56px;border-radius:999px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:var(--white);border:1px solid var(--line);color:var(--green);
  font-size:11px;letter-spacing:.04em;box-shadow:var(--shadow);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.float-cta a i{font-size:14px;}
.float-cta a:hover{background:var(--green);color:var(--paper);border-color:var(--green);}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container{max-width:1240px;}
}
@media (max-width:1199px){
  .plan-grid{grid-template-columns:1fr;}
  .plan.featured{order:-1;}
  .flow-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .search-box{display:none;}
  .brand-actions .link-quiet{display:none;}
  .brand-actions .btn-clay{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:48px 0 0;}
  .page-hero-figure{aspect-ratio:16/9;border-radius:3px 3px 0 0;}
  .notes{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .plan{padding:24px 20px;}
  .plan-price{font-size:36px;}
  .flow-grid{grid-template-columns:1fr;}
  .cta-band .inner{flex-direction:column;align-items:flex-start;}
  table.compare th,table.compare td{padding:14px 14px;font-size:14px;}
  .faq-item summary{padding:18px 0;font-size:16px;gap:12px;}
  .faq-item .answer{padding:0 0 20px 32px;}
  .float-cta{
    right:0;left:0;bottom:0;flex-direction:row;gap:0;transform:none;
    padding:0;border-top:1px solid var(--line);background:var(--paper);
  }
  .float-cta a{
    flex:1;width:auto;height:56px;border-radius:0;border:0;box-shadow:none;
    flex-direction:row;gap:8px;font-size:13px;background:transparent;
  }
  .float-cta a:first-child{background:var(--clay);color:var(--paper);}
  .float-cta a:first-child:hover{background:var(--green);}
  body{padding-bottom:56px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .page-hero h1{font-size:28px;}
  .brand-name{font-size:17px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
    --ink:#1B3A34;
    --ink-2:#2E5C52;
    --clay:#C2603F;
    --paper:#F7F4EE;
    --sand:#EDE7DC;
    --text:#14201C;
    --muted:#5A6660;
    --line:#DFD6C8;
    --gray:#8A9A91;
    --white:#FFFFFF;
    --radius:3px;
    --ease:cubic-bezier(.22,.61,.36,1);
    --shadow:0 12px 32px rgba(20,32,28,.12);
    --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
    --num:"Inter","Helvetica Neue",Arial,sans-serif;

    --bs-body-bg:var(--paper);
    --bs-body-color:var(--text);
    --bs-primary:var(--ink);
    --bs-border-radius:3px;
    --bs-link-color:var(--ink);
    --bs-link-hover-color:var(--clay);
    --bs-font-sans-serif:var(--sans);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:var(--sans);
    font-size:17px;
    line-height:1.95;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
  a:hover{color:var(--clay)}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:700;letter-spacing:.02em;line-height:1.28}
  p{margin:0 0 1.1em}
  p:last-child{margin-bottom:0}
  button{font-family:inherit}
  ::selection{background:var(--ink);color:var(--paper)}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:32px;
    padding-right:32px;
  }

  /* ---------- 顶部品牌行 ---------- */
  .topbar{
    position:sticky;
    top:0;
    z-index:1030;
    background:rgba(247,244,238,.97);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .topbar-inner{
    display:flex;
    align-items:center;
    gap:18px;
    min-height:64px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    min-height:44px;
    flex:0 0 auto;
  }
  .brand-mark{
    width:28px;
    height:28px;
    display:grid;
    place-items:center;
    background:var(--ink);
    color:var(--paper);
    font-family:var(--serif);
    font-size:15px;
    font-weight:700;
    border-radius:2px;
    line-height:1;
  }
  .brand-name{
    font-family:var(--serif);
    font-size:19px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.03em;
    white-space:nowrap;
  }
  .brand:hover .brand-name{color:var(--ink)}

  .top-actions{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .search-trigger{
    display:inline-flex;
    align-items:center;
    gap:9px;
    height:40px;
    padding:0 16px;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--white);
    color:var(--gray);
    font-size:14px;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .search-trigger:hover{border-color:var(--ink);color:var(--ink)}
  .search-trigger i{font-size:13px}

  .btn-clay,
  .btn-ghost,
  .btn-ink{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:2px;
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  }
  .btn-clay{
    background:var(--clay);
    border:1px solid var(--clay);
    color:#FCF8F3;
  }
  .btn-clay:hover{background:var(--ink);border-color:var(--ink);color:#fff}
  .btn-ghost{
    background:transparent;
    border:1px solid var(--text);
    color:var(--text);
  }
  .btn-ghost:hover{background:var(--text);border-color:var(--text);color:var(--paper)}
  .btn-ink{
    background:var(--ink);
    border:1px solid var(--ink);
    color:var(--paper);
  }
  .btn-ink:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
  .btn-clay .arw,.btn-ghost .arw,.btn-ink .arw{transition:transform .22s var(--ease)}
  .btn-clay:hover .arw,.btn-ghost:hover .arw,.btn-ink:hover .arw{transform:translateX(3px)}
  .btn-sm{height:42px;padding:0 18px;font-size:14px}
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    position:relative;
    padding-bottom:2px;
  }
  .text-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:1px;
    background:currentColor;
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .text-link:hover{color:var(--clay)}
  .text-link:hover::after{transform:scaleX(1)}

  .burger{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:2px;
    background:var(--white);
    color:var(--ink);
    font-size:16px;
  }

  /* ---------- 频道行 ---------- */
  .channel-bar{
    position:sticky;
    top:64px;
    z-index:1020;
    background:var(--paper);
    border-bottom:1px solid var(--line);
  }
  .channel-inner{
    display:flex;
    align-items:center;
    height:48px;
    position:relative;
  }
  .channel-list{
    display:flex;
    align-items:center;
    gap:8px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
    padding:4px 0;
    width:100%;
  }
  .channel-list::-webkit-scrollbar{display:none}
  .pill{
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 16px;
    border-radius:999px;
    font-size:15px;
    color:var(--text);
    white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .pill:hover{background:var(--sand);color:var(--ink)}
  .pill.active{background:var(--ink);color:var(--paper)}
  .pill.active:hover{background:var(--ink);color:var(--paper)}

  /* ---------- 首屏 ---------- */
  .page-hero{
    background:var(--sand);
    border-bottom:1px solid var(--line);
    padding:56px 0 60px;
    scroll-margin-top:120px;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.12fr .88fr;
    gap:52px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    letter-spacing:.12em;
    color:var(--gray);
    text-transform:none;
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:26px;
    height:1px;
    background:var(--clay);
  }
  .page-hero h1{
    font-size:clamp(30px,3.9vw,47px);
    line-height:1.2;
    margin-bottom:20px;
  }
  .lede{
    font-size:18px;
    line-height:1.85;
    color:var(--muted);
    max-width:560px;
    margin-bottom:26px;
  }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:28px;
  }
  .fact{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--ink);
    background:rgba(255,255,255,.72);
    border:1px solid var(--line);
    border-radius:2px;
    padding:7px 14px;
  }
  .fact i{color:var(--clay);font-size:12px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px}
  .hero-figure{
    position:relative;
    border-radius:3px;
    overflow:hidden;
    border:1px solid rgba(27,58,52,.14);
  }
  .hero-figure img{
    width:100%;
    height:100%;
    aspect-ratio:16/10;
    object-fit:cover;
  }
  .hero-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(27,58,52,.06),rgba(27,58,52,.24));
    pointer-events:none;
  }
  .hero-figure figcaption{
    position:absolute;
    left:16px;
    bottom:14px;
    z-index:2;
    font-size:13px;
    color:#F4F0E8;
    letter-spacing:.02em;
  }

  /* ---------- 板块通用 ---------- */
  .section{padding:76px 0;scroll-margin-top:120px}
  .section-sm{padding:56px 0}
  .section-plain{background:var(--paper)}
  .section-white{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:34px;
    flex-wrap:wrap;
  }
  .section-head h2{
    font-size:clamp(25px,2.5vw,36px);
    line-height:1.3;
  }
  .section-head .sub{
    font-size:15px;
    color:var(--muted);
    margin-top:10px;
    max-width:640px;
  }
  .mark-line{
    display:flex;
    align-items:center;
    gap:12px;
  }
  .mark-line::before{
    content:"";
    width:3px;
    height:26px;
    background:var(--clay);
    border-radius:1px;
  }

  /* ---------- 类目筛选 ---------- */
  .filter-row{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:30px;
  }
  .filter-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:36px;
    padding:0 16px;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--white);
    color:var(--text);
    font-size:14px;
    transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .filter-pill:hover{border-color:var(--ink);color:var(--ink)}
  .filter-pill.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
  .filter-pill span{font-size:12px;color:var(--gray)}
  .filter-pill.is-on span{color:rgba(247,244,238,.72)}

  /* ---------- 置顶大卡 ---------- */
  .pin-card{
    display:grid;
    grid-template-columns:7fr 5fr;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:3px;
    overflow:hidden;
    transition:border-color .22s var(--ease);
  }
  .pin-card:hover{border-color:var(--ink)}
  .pin-media{
    position:relative;
    overflow:hidden;
    min-height:320px;
  }
  .pin-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s var(--ease);
  }
  .pin-card:hover .pin-media img{transform:scale(1.03)}
  .pin-tag{
    position:absolute;
    left:16px;
    top:16px;
    background:var(--clay);
    color:#FCF8F3;
    font-size:12px;
    letter-spacing:.08em;
    padding:5px 11px;
    border-radius:2px;
  }
  .pin-body{
    padding:38px 36px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .badge-soft{
    display:inline-block;
    background:var(--sand);
    color:var(--ink);
    font-size:13px;
    padding:4px 10px;
    border-radius:2px;
    letter-spacing:.02em;
  }
  .badge-line{
    display:inline-block;
    background:transparent;
    border:1px solid var(--clay);
    color:var(--clay);
    font-size:12px;
    padding:3px 9px;
    border-radius:2px;
  }
  .pin-body h2{
    font-size:clamp(22px,2.2vw,29px);
    line-height:1.4;
    margin:16px 0 14px;
  }
  .pin-body p{font-size:16px;line-height:1.9;color:var(--muted)}
  .meta{
    display:flex;
    align-items:center;
    gap:14px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--gray);
    font-family:var(--num);
  }
  .meta .dot{width:3px;height:3px;background:var(--gray);border-radius:50%}
  .pin-body .meta{margin:20px 0 22px;padding-top:18px;border-top:1px solid var(--line)}

  /* ---------- 内容卡片 ---------- */
  .news-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:28px;
  }
  .news-card{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:3px;
    overflow:hidden;
    display:flex;
    flex-direction:column;
    transition:transform .22s var(--ease),border-color .22s var(--ease);
  }
  .news-card:hover{transform:translateY(-2px);border-color:var(--ink)}
  .news-card:hover .card-media img{transform:scale(1.03)}
  .card-media{
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--sand);
  }
  .card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s var(--ease);
  }
  .card-body{
    padding:22px 24px 24px;
    display:flex;
    flex-direction:column;
    flex:1;
  }
  .card-body h3{
    font-size:20px;
    line-height:1.45;
    margin:14px 0 10px;
  }
  .card-desc{
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
    margin-bottom:16px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-foot{
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .card-foot .meta{font-size:13px}
  .card-foot .text-link{font-size:14px}

  /* ---------- 分页 ---------- */
  .pager{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    margin-top:38px;
    flex-wrap:wrap;
  }
  .pager a,.pager span.pg{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:44px;
    height:44px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:2px;
    background:var(--white);
    color:var(--text);
    font-size:14px;
    font-family:var(--num);
    transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
  }
  .pager a:hover{border-color:var(--ink);color:var(--ink)}
  .pager .is-cur{background:var(--ink);border-color:var(--ink);color:var(--paper)}
  .pager .is-off{color:var(--gray);background:transparent;border-style:dashed;cursor:default}

  /* ---------- 订阅区 ---------- */
  .sub-grid{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:56px;
    align-items:start;
  }
  .sub-form{margin-top:26px;max-width:520px}
  .field-label{
    display:block;
    font-size:13px;
    color:var(--muted);
    margin-bottom:8px;
    letter-spacing:.04em;
  }
  .field-row{display:flex;gap:12px}
  .sub-form input[type="email"]{
    flex:1;
    height:48px;
    padding:0 16px;
    border:1px solid var(--line);
    border-radius:2px;
    background:var(--white);
    color:var(--text);
    font-size:15px;
    font-family:var(--sans);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .sub-form input[type="email"]::placeholder{color:var(--gray)}
  .sub-form input[type="email"]:focus{
    outline:none;
    border-color:var(--ink);
    box-shadow:0 0 0 3px rgba(27,58,52,.12);
  }
  .field-hint{
    font-size:13px;
    color:var(--gray);
    margin-top:12px;
    line-height:1.75;
  }
  .form-note{
    display:none;
    margin-top:12px;
    font-size:14px;
    color:var(--ink);
    background:var(--sand);
    border-left:3px solid var(--clay);
    padding:10px 14px;
    border-radius:2px;
  }
  .form-note.on{display:block}

  .cat-list{
    border:1px solid var(--line);
    background:var(--white);
    border-radius:3px;
    overflow:hidden;
  }
  .cat-list li + li{border-top:1px solid var(--line)}
  .cat-list a{
    display:flex;
    align-items:center;
    gap:14px;
    padding:16px 22px;
    font-size:16px;
    color:var(--ink);
    transition:background-color .2s var(--ease);
  }
  .cat-list a:hover{background:var(--sand);color:var(--ink)}
  .cat-list .idx{
    font-family:var(--num);
    font-size:13px;
    color:var(--clay);
    width:22px;
  }
  .cat-list .cnt{
    margin-left:auto;
    font-size:13px;
    color:var(--gray);
    font-family:var(--num);
  }
  .cat-list i{font-size:12px;color:var(--gray)}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:820px;margin:0 auto}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-item summary{
    display:flex;
    align-items:flex-start;
    gap:14px;
    padding:22px 0;
    cursor:pointer;
    list-style:none;
    font-family:var(--serif);
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-num{
    font-family:var(--num);
    font-size:13px;
    font-weight:600;
    color:var(--clay);
    padding-top:5px;
    min-width:22px;
  }
  .faq-ic{
    margin-left:auto;
    width:24px;
    height:24px;
    flex:0 0 auto;
    display:grid;
    place-items:center;
    border:1px solid var(--line);
    border-radius:50%;
    color:var(--ink);
    font-size:13px;
    transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  }
  .faq-ic::before{content:"+";font-family:var(--num);font-size:15px;line-height:1}
  .faq-item[open] .faq-ic{transform:rotate(180deg);border-color:var(--clay);color:var(--clay)}
  .faq-item[open] .faq-ic::before{content:"–"}
  .faq-a{
    padding:0 40px 24px 36px;
    font-size:15px;
    line-height:1.95;
    color:var(--muted);
  }

  /* ---------- CTA 通栏 ---------- */
  .cta-band{
    background:var(--ink);
    padding:76px 0;
    text-align:center;
  }
  .cta-band h2{
    color:var(--paper);
    font-size:clamp(24px,2.9vw,36px);
    margin-bottom:16px;
  }
  .cta-band p{
    color:rgba(247,244,238,.72);
    font-size:16px;
    max-width:620px;
    margin:0 auto 28px;
  }
  .cta-contact{
    margin-top:26px;
    font-size:14px;
    color:rgba(247,244,238,.62);
    font-family:var(--num);
    letter-spacing:.02em;
  }
  .cta-contact span + span::before{
    content:"·";
    margin:0 12px;
    color:rgba(247,244,238,.36);
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--sand);
    border-top:1px solid var(--line);
    padding:60px 0 26px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:44px;
  }
  .footer-brand .brand{margin-bottom:18px}
  .footer-brand p{
    font-size:14px;
    line-height:1.9;
    color:var(--muted);
    max-width:340px;
  }
  .footer-col h4{
    font-size:15px;
    font-family:var(--sans);
    font-weight:700;
    color:var(--ink);
    margin-bottom:16px;
    letter-spacing:.04em;
  }
  .footer-col ul li{margin-bottom:10px}
  .footer-col ul a{font-size:14px;color:var(--muted)}
  .footer-col ul a:hover{color:var(--clay)}
  .f-text{
    font-size:14px;
    line-height:2;
    color:var(--muted);
  }
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--gray);
    font-family:var(--num);
  }

  /* ---------- 浮动入口 ---------- */
  .float-dock{
    position:fixed;
    right:22px;
    bottom:26px;
    z-index:1040;
    display:flex;
    flex-direction:column;
    gap:10px;
    opacity:0;
    visibility:hidden;
    transform:translateY(12px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .float-dock.show{opacity:1;visibility:visible;transform:none}
  .dock-btn{
    width:60px;
    height:60px;
    border-radius:999px;
    background:var(--white);
    border:1px solid var(--line);
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:2px;
    font-size:11px;
    color:var(--ink);
    box-shadow:var(--shadow);
    cursor:pointer;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .dock-btn i{font-size:14px}
  .dock-btn:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
  .dock-btn.clay{background:var(--clay);border-color:var(--clay);color:#FCF8F3}
  .dock-btn.clay:hover{background:var(--ink);border-color:var(--ink)}

  /* ---------- 抽屉 ---------- */
  .drawer{
    position:fixed;
    inset:0;
    z-index:1080;
    background:var(--paper);
    display:flex;
    flex-direction:column;
    padding:20px;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .drawer.open{transform:none}
  .drawer-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:20px;
    border-bottom:1px solid var(--line);
  }
  .drawer-close{
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:2px;
    background:var(--white);
    color:var(--ink);
    font-size:18px;
  }
  .drawer-nav{margin:22px 0 0}
  .drawer-nav li + li{margin-top:4px}
  .drawer-nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:52px;
    padding:0 14px;
    border-radius:2px;
    font-family:var(--serif);
    font-size:18px;
    font-weight:700;
    color:var(--ink);
  }
  .drawer-nav a.on{background:var(--ink);color:var(--paper)}
  .drawer-nav a i{font-size:13px;opacity:.6}
  .drawer-info{
    margin-top:26px;
    padding-top:22px;
    border-top:1px solid var(--line);
    font-size:14px;
    line-height:2;
    color:var(--muted);
  }
  .drawer .btn-clay{width:100%;margin-top:22px}

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- 响应式 ---------- */
  @media (min-width:1400px){
    .container{max-width:1240px}
  }
  @media (max-width:1199px){
    .hero-grid{gap:38px}
    .sub-grid{gap:38px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
    .footer-col:last-child{grid-column:span 3}
  }
  @media (max-width:991px){
    body{font-size:16px}
    .container{padding-left:24px;padding-right:24px}
    .section{padding:60px 0}
    .page-hero{padding:44px 0 48px}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero-figure img{aspect-ratio:16/9}
    .pin-card{grid-template-columns:1fr}
    .pin-media{min-height:0;aspect-ratio:16/9}
    .pin-body{padding:28px 26px 30px}
    .sub-grid{grid-template-columns:1fr;gap:32px}
    .news-grid{gap:22px}
  }
  @media (max-width:767px){
    body{font-size:16px;line-height:1.9;padding-bottom:62px}
    .container{padding-left:20px;padding-right:20px}
    .topbar-inner{min-height:58px;gap:10px}
    .brand-name{font-size:17px}
    .brand-mark{width:26px;height:26px;font-size:14px}
    .search-trigger{width:44px;height:44px;padding:0;justify-content:center;border-radius:2px}
    .search-trigger span{display:none}
    .top-actions .btn-clay{display:none}
    .burger{display:inline-flex}
    .channel-bar{display:none}
    .page-hero{padding:36px 0 40px}
    .lede{font-size:16px}
    .hero-actions .btn-clay,.hero-actions .btn-ghost{width:100%}
    .section{padding:48px 0}
    .section-head{margin-bottom:26px}
    .news-grid{grid-template-columns:1fr}
    .card-body{padding:20px}
    .pin-body h2{font-size:21px}
    .faq-item summary{font-size:16.5px;padding:18px 0}
    .faq-a{padding:0 8px 20px 36px}
    .cta-band{padding:56px 0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .footer-col:last-child{grid-column:span 2}
    .footer-brand{grid-column:span 2}
    .footer-grid{gap:26px}
    .footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
    .float-dock{
      left:0;
      right:0;
      bottom:0;
      flex-direction:row;
      gap:0;
      transform:translateY(100%);
    }
    .float-dock.show{transform:none}
    .dock-btn{
      flex:1;
      width:auto;
      height:56px;
      border-radius:0;
      flex-direction:row;
      gap:8px;
      font-size:13px;
      box-shadow:none;
      border:none;
      border-top:1px solid var(--line);
    }
    .dock-btn + .dock-btn{border-left:1px solid var(--line)}
    .dock-btn.clay{border-radius:0}
  }
  @media (max-width:520px){
    .field-row{flex-direction:column}
    .field-row .btn-clay{width:100%}
    .hero-facts{gap:10px}
    .fact{font-size:13px;padding:6px 11px}
    .card-foot{flex-direction:column;align-items:flex-start;gap:8px}
    .pager a,.pager span.pg{min-width:40px;height:40px;padding:0 10px;font-size:13px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .reveal{opacity:1;transform:none}
  }