/* roulang page: index */
:root{
  --c-brand:#11524B;
  --c-brand-d:#0D423D;
  --c-brand-100:#CFE3DF;
  --c-accent:#C25E1C;
  --c-accent-100:#F6E3D2;
  --c-deep:#0F2B28;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-ink:#16211F;
  --c-ink-2:#4E5A57;
  --c-ink-3:#8A9490;
  --c-ok:#2F7A57;
  --r-card:20px;
  --r-media:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px rgba(22,33,31,.06);
  --sh-2:0 12px 32px rgba(17,82,75,.12);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --num:"Inter","Helvetica Neue",Arial,sans-serif;
  --t:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
h1{font-size:40px;line-height:1.25}
h2{font-size:30px;line-height:1.35}
h3{font-size:21px;line-height:1.5}
h4{font-size:18px;line-height:1.6}
p{margin:0 0 1.25em;max-width:760px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section--tight{padding:80px 0}
.section--deep{background:var(--c-deep);color:#EAF1EE}
.section--deep h2,.section--deep h3{color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec-head p{color:var(--c-ink-2);max-width:660px;margin:12px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(17,82,75,.1);color:var(--c-brand);font-size:13px;font-weight:700;letter-spacing:.02em;padding:6px 14px;border-radius:999px}
.badge{display:inline-block;background:rgba(17,82,75,.08);color:var(--c-brand);font-size:12.5px;line-height:1.5;padding:4px 10px;border-radius:999px;font-weight:600}
.badge--accent{background:rgba(194,94,28,.12);color:var(--c-accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);text-align:center}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(194,94,28,.22)}
.btn-primary:hover{background:#AB5217;color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(194,94,28,.18)}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:rgba(17,82,75,.08);color:var(--c-brand-d)}
.btn-ghost:active{background:rgba(17,82,75,.14)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-more{color:var(--c-brand);font-weight:700;text-decoration:underline;text-decoration-color:rgba(17,82,75,.4);text-underline-offset:4px;font-size:15px}
.link-more:hover{color:var(--c-accent);text-decoration-color:rgba(194,94,28,.5)}
.media{width:100%;border-radius:var(--r-media);border:1px solid var(--c-line);object-fit:cover;background:rgba(17,82,75,.08)}
.ratio-16-9{aspect-ratio:16/9}
.ratio-16-11{aspect-ratio:16/11}
.ratio-4-3{aspect-ratio:4/3}

/* Dock */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:16px 0 0}
.dock{max-width:1120px;margin:0 auto;height:64px;display:flex;align-items:center;gap:16px;padding:0 14px 0 18px;border-radius:28px;background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--c-line);box-shadow:var(--sh-1);transition:box-shadow var(--t),top var(--t)}
.dock.is-stuck{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.brand:hover{color:var(--c-brand)}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--c-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:17px;font-weight:700;flex:none}
.brand-text{font-size:16px;letter-spacing:-.01em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;min-width:0}
.dock-nav a{font-size:15px;padding:9px 14px;border-radius:999px;color:var(--c-ink-2);font-weight:600;white-space:nowrap}
.dock-nav a:hover{background:rgba(17,82,75,.1);color:var(--c-brand)}
.dock-nav a.is-active{background:var(--c-brand);color:#fff}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:36px;height:36px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t)}
.icon-btn:hover{border-color:rgba(17,82,75,.4);color:var(--c-brand);background:rgba(17,82,75,.06)}
.burger{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{position:fixed;inset:0;background:var(--c-bg);z-index:90;padding:24px;display:none;flex-direction:column;gap:8px}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{font-size:18px;font-weight:700;padding:14px 12px;border-radius:14px;color:var(--c-ink)}
.drawer nav a:hover,.drawer nav a.is-active{background:rgba(17,82,75,.1);color:var(--c-brand)}
.drawer-cta{margin-top:auto}
.drawer-cta .btn{width:100%;height:48px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:72px 0 96px}
.hero::before{content:"";position:absolute;top:-180px;right:-160px;width:620px;height:620px;background:radial-gradient(circle,rgba(194,94,28,.12),rgba(194,94,28,0) 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative}
.hero h1{margin:20px 0 18px;max-width:14em}
.hero-sub{font-size:18px;line-height:1.8;color:var(--c-ink-2);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-inline{display:flex;flex-wrap:wrap;gap:24px}
.trust-inline li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--c-ink-2);font-weight:600}
.dot-ico{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--c-accent);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:none}
.hero-media{position:relative}
.hero-float{position:absolute;right:-12px;bottom:-18px;background:#fff;border:1px solid var(--c-line);border-radius:16px;box-shadow:var(--sh-2);padding:14px 18px;min-width:186px}
.hero-float strong{display:block;font-family:var(--num);font-size:17px;color:var(--c-brand);font-variant-numeric:tabular-nums}
.hero-float span{font-size:13px;color:var(--c-ink-3)}

/* 指标条 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.metrics div{padding:30px 24px;border-left:1px solid var(--c-line)}
.metrics div:first-child{border-left:0}
.metrics b{display:block;font-family:var(--num);font-size:44px;line-height:1.1;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums}
.metrics span{font-size:14px;color:var(--c-ink-2)}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:1fr 1fr .8fr;gap:24px}
.pain-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.pain-card:hover{transform:translateY(-2px);border-color:rgba(17,82,75,.24);box-shadow:var(--sh-2)}
.pain-num{font-family:var(--num);font-size:34px;font-weight:700;color:var(--c-accent);line-height:1;font-variant-numeric:tabular-nums}
.pain-card h3{margin:16px 0 10px}
.pain-card p{font-size:15px;line-height:1.75;color:var(--c-ink-2)}

/* 解决方案 */
.solve-row{display:grid;gap:48px;align-items:center;margin-bottom:72px}
.solve-row:last-child{margin-bottom:0}
.solve-row.a{grid-template-columns:7fr 5fr}
.solve-row.b{grid-template-columns:5fr 7fr}
.solve-row.b .solve-text{order:2}
.solve-row.b .solve-media{order:1}
.solve-text h3{margin-bottom:14px}
.solve-text p{color:var(--c-ink-2);font-size:16px}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--c-ink-2);align-items:flex-start}
.check-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-brand);margin-top:9px;flex:none}

/* 深色数据 */
.deep-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:flex-start}
.deep-grid p{color:rgba(234,241,238,.82);font-size:16px}
.deep-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.deep-card{border:1px solid rgba(255,255,255,.18);border-radius:var(--r-card);padding:26px;background:rgba(255,255,255,.04)}
.deep-card b{display:block;font-family:var(--num);font-size:46px;line-height:1.1;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.deep-card span{display:block;margin-top:8px;font-size:14px;color:rgba(234,241,238,.72)}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.news-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);display:block}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(17,82,75,.24)}
.news-lead-body{padding:26px}
.news-lead h3{margin:12px 0 12px;font-size:21px;color:var(--c-ink)}
.news-lead p{font-size:15px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.meta-time{font-size:13px;color:var(--c-ink-3)}
.news-list{border-top:1px solid var(--c-line)}
.news-item{display:block;padding:20px 12px;border-bottom:1px solid var(--c-line);transition:background var(--t),padding var(--t)}
.news-item:hover{background:rgba(17,82,75,.05)}
.news-item h4{font-size:17px;line-height:1.5;color:var(--c-ink);margin-bottom:8px}
.news-item:hover h4{color:var(--c-brand)}
.news-item .row-b{display:flex;align-items:center;gap:12px;justify-content:space-between}
.empty-card{background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);padding:44px 28px;text-align:center}
.empty-card .dot-ico{margin:0 auto 14px;width:40px;height:40px;font-size:18px}
.empty-card p{color:var(--c-ink-2);margin-bottom:18px}

/* 证言 */
.quote-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.quote-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1)}
.quote-card .mark{font-family:var(--serif);font-size:52px;line-height:1;color:var(--c-brand-100);display:block;margin-bottom:6px}
.quote-card blockquote{margin:0 0 20px;font-size:16px;line-height:1.85;color:var(--c-ink-2)}
.quote-person{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:rgba(17,82,75,.1);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--serif);flex:none}
.quote-person span{font-size:13px;color:var(--c-ink-3);display:block}

/* 下载入口 */
.entry-grid{display:grid;grid-template-columns:6fr 3fr 3fr;gap:24px;align-items:stretch}
.entry-main{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);display:flex;gap:28px;align-items:center}
.qr-box{width:132px;height:132px;flex:none;border-radius:var(--r-media);border:1px solid var(--c-line);background:rgba(17,82,75,.06);display:flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:13px;text-align:center;padding:10px;line-height:1.5}
.entry-side{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.entry-side:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(17,82,75,.24)}
.entry-side h4{margin-bottom:10px}
.entry-side p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;margin-bottom:20px}
.entry-side .btn{margin-top:auto;width:100%}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side p{color:var(--c-ink-2);font-size:15.5px;margin-top:14px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;font-size:17px;font-weight:700;color:var(--c-ink);transition:color var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand)}
.faq-item[open] summary{color:var(--c-brand)}
.faq-sign{width:26px;height:26px;border-radius:50%;border:1px solid var(--c-brand);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex:none;transition:background var(--t),color var(--t)}
.faq-item[open] .faq-sign{background:var(--c-brand);color:#fff}
.faq-item .faq-body{padding:0 4px 22px;font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:720px}

/* CTA */
.cta-band{background:var(--c-brand);color:#fff;border-radius:28px;padding:56px;display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px}
.cta-band .btn-primary{background:#fff;color:var(--c-brand);box-shadow:none}
.cta-band .btn-primary:hover{background:#F2EFE8;color:var(--c-brand-d)}
.cta-note{text-align:right}
.cta-note span{font-size:13px;color:rgba(255,255,255,.7)}

/* Footer */
.site-footer{background:var(--c-deep);color:#EAF1EE;margin-top:104px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr 3fr;gap:36px}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;font-family:var(--sans)}
.site-footer p{color:rgba(234,241,238,.72);font-size:14px;line-height:1.9;max-width:340px}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:700;color:#fff;font-size:16px}
.site-footer .f-brand .brand-mark{background:rgba(255,255,255,.14)}
.foot-links{display:grid;gap:6px}
.foot-links a{color:rgba(234,241,238,.82);font-size:14px;line-height:1.9}
.foot-links a:hover{color:var(--c-accent)}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom span{font-size:12px;color:rgba(234,241,238,.6)}
.back-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--c-brand);color:#fff;border:0;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-2);z-index:70;transition:background var(--t),transform var(--t)}
.back-top:hover{background:var(--c-brand-d);transform:translateY(-2px)}
.back-top.is-visible{display:flex}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}
@media (max-width:1023px){
  h1{font-size:32px}
  h2{font-size:26px}
  .section{padding:80px 0}
  .dock-nav{display:none}
  .burger{display:flex}
  .dock{height:58px;border-radius:24px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:48px 0 72px}
  .metrics{grid-template-columns:1fr 1fr}
  .metrics div{border-left:1px solid var(--c-line)}
  .metrics div:nth-child(odd){border-left:0}
  .pain-grid{grid-template-columns:1fr 1fr}
  .pain-card:last-child{grid-column:1 / -1}
  .solve-row.a,.solve-row.b{grid-template-columns:1fr;gap:28px}
  .solve-row.b .solve-text{order:1}
  .solve-row.b .solve-media{order:2}
  .deep-grid{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr 1fr}
  .entry-main{grid-column:1 / -1}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .cta-band{grid-template-columns:1fr;padding:40px;text-align:left}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:599px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 20px}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:24px;line-height:1.4}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .brand-text{font-size:15px}
  .hero-actions .btn{width:100%}
  .metrics{grid-template-columns:1fr 1fr}
  .metrics b{font-size:34px}
  .metrics div{padding:22px 16px}
  .pain-grid{grid-template-columns:1fr}
  .deep-cards{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .entry-main{flex-direction:column;text-align:left;align-items:flex-start}
  .cta-band{padding:32px 24px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr}
  .hero-float{right:8px;bottom:-14px}
  .sec-head{margin-bottom:30px}
}

/* roulang page: article */
:root{
  --c-brand:#11524B;
  --c-brand-d:#0D423D;
  --c-brand-100:#CFE3DF;
  --c-accent:#C25E1C;
  --c-accent-100:#F6E3D2;
  --c-deep:#0F2B28;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-ink:#16211F;
  --c-ink-2:#4E5A57;
  --c-ink-3:#8A9490;
  --c-ok:#2F7A57;
  --r-card:20px;
  --r-media:14px;
  --sh-1:0 1px 2px rgba(22,33,31,.04), 0 8px 24px rgba(22,33,31,.06);
  --sh-2:0 12px 32px rgba(17,82,75,.12);
  --ease:.18s ease-out;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-ink);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:120}
.skip-link:focus{left:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:100;padding:0;transition:top var(--ease)}
.dock{
  display:flex;align-items:center;gap:12px;height:64px;
  max-width:1120px;margin:0 auto;padding:0 12px 0 14px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--c-line);border-radius:28px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.dock.is-scrolled{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);flex:0 0 auto}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-d) 100%);
  color:#fff;font-family:var(--font-serif);font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.dock-nav a{
  font-size:15px;color:var(--c-ink-2);padding:8px 13px;border-radius:999px;white-space:nowrap;
}
.dock-nav a:hover{background:rgba(17,82,75,.1);color:var(--c-brand)}
.dock-nav a.is-active{background:var(--c-brand);color:#fff}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;transition:all var(--ease);
}
.icon-btn:hover{color:var(--c-brand);border-color:rgba(17,82,75,.35)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:all var(--ease);min-width:44px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:#a94f14;color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:rgba(17,82,75,.08);color:var(--c-brand-d)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{font-size:15px;font-weight:600;color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(17,82,75,.4)}
.link-more:hover{color:var(--c-accent);text-decoration-color:rgba(194,94,28,.5)}
.burger{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:#fff;position:relative}
.burger span,.burger span::before,.burger span::after{content:"";position:absolute;left:50%;width:16px;height:1.8px;background:var(--c-ink);border-radius:2px;transform:translateX(-50%);transition:all var(--ease)}
.burger span{top:50%;margin-top:-.9px}
.burger span::before{top:-5px;left:0;transform:none}
.burger span::after{top:5px;left:0;transform:none}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;background:var(--c-bg);z-index:110;padding:84px 24px 32px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .22s ease-out;display:flex;flex-direction:column}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto}
.drawer-nav a{font-size:18px;font-weight:600;color:var(--c-ink);padding:14px 12px;border-radius:14px;border-bottom:1px solid var(--c-line)}
.drawer-nav a:hover{background:rgba(17,82,75,.08);color:var(--c-brand)}
.drawer-cta{margin-top:20px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0;font-size:14px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:#C9C1B2}
.breadcrumb .now{color:var(--c-ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:28px 0 0;max-width:820px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:4px 10px;border-radius:999px;background:rgba(17,82,75,.08);color:var(--c-brand);font-weight:600}
.article-head h1{font-size:40px;line-height:1.25;margin:16px 0 0}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-ink-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFC7B7}
.article-cover{margin:28px 0 0;border-radius:var(--r-media);overflow:hidden;border:1px solid var(--c-line);aspect-ratio:16/9;background:rgba(17,82,75,.08)}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文布局 ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;padding:48px 0 0;align-items:start}
.article-main{min-width:0}
.prose{max-width:760px;font-size:17px;line-height:1.9;color:var(--c-ink)}
.prose>p{margin-bottom:1.25em;color:#26302E}
.prose h2{font-size:30px;line-height:1.35;margin:2.4em 0 .8em;padding-left:14px;border-left:4px solid var(--c-brand)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:21px;line-height:1.5;margin:1.8em 0 .6em}
.prose h4{font-size:18px;line-height:1.6;margin:1.5em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin-bottom:8px;color:#26302E}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-brand)}
.prose ol{counter-reset:li}
.prose ol li{position:relative;padding-left:26px;margin-bottom:8px;counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:.1em;font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--c-brand)}
.prose blockquote{margin:1.6em 0;padding:16px 20px;background:rgba(246,227,210,.4);border-left:3px solid var(--c-accent);border-radius:0 12px 12px 0;font-family:var(--font-serif);font-size:17px;line-height:1.9;color:#3A3833}
.prose blockquote p{margin:0}
.prose img{border-radius:var(--r-media);margin:1.6em 0;border:1px solid var(--c-line)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.prose code{background:#F1EEE8;padding:2px 6px;border-radius:6px;font-family:var(--font-num);font-size:15px}
.prose pre{background:#F1EEE8;border:1px solid var(--c-line);border-radius:10px;padding:16px;overflow-x:auto;margin:1.5em 0}
.prose pre code{background:none;padding:0}
.prose .table-scroll{overflow-x:auto;margin:1.6em 0;border:1px solid var(--c-line);border-radius:12px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.prose th{background:rgba(17,82,75,.08);color:var(--c-brand-d);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--c-line)}
.prose td{padding:12px 14px;border-bottom:1px solid var(--c-line);color:#26302E}
.prose tr:nth-child(even) td{background:#FAF8F4}
.prose strong{color:var(--c-brand-d)}
.prose a{color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(17,82,75,.4)}
.prose a:hover{color:var(--c-accent)}

/* ---------- 空态 ---------- */
.empty-state{border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-card);padding:40px 28px;box-shadow:var(--sh-1);text-align:center;max-width:760px}
.empty-state .ico{width:56px;height:56px;border-radius:16px;background:rgba(17,82,75,.08);color:var(--c-brand);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-family:var(--font-serif);font-size:22px;font-weight:700}
.empty-state h2{font-size:21px;margin-bottom:10px}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px}

/* ---------- 标签 / 分享 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row .tag{font-size:13px;padding:5px 12px;border-radius:999px;background:rgba(17,82,75,.08);color:var(--c-brand);border:1px solid transparent}
.tag-row .tag:hover{background:rgba(17,82,75,.14)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.share-row .hint{font-size:13px;color:var(--c-ink-3)}

/* ---------- 侧栏目录 ---------- */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px}
.toc{border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.toc h2{font-size:16px;font-family:var(--font-sans);letter-spacing:0;margin-bottom:14px;color:var(--c-ink)}
.toc ol{display:flex;flex-direction:column;gap:2px}
.toc a{display:block;font-size:14px;line-height:1.7;color:var(--c-ink-2);padding:6px 0 6px 12px;border-left:2px solid var(--c-line)}
.toc a:hover{color:var(--c-brand);border-left-color:rgba(17,82,75,.4)}
.toc li.is-sub a{padding-left:24px;font-size:13.5px;color:var(--c-ink-3)}
.toc a.is-current{color:var(--c-brand);font-weight:600;border-left:3px solid var(--c-brand);padding-left:11px}
.aside-card{border:1px solid var(--c-line);background:var(--c-deep);color:#EDF3F1;border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.aside-card h3{font-size:18px;color:#fff;margin-bottom:10px}
.aside-card p{font-size:14px;line-height:1.8;color:rgba(237,243,241,.76);margin-bottom:18px}
.aside-card .btn-primary{width:100%}

/* ---------- 移动目录 ---------- */
.toc-mobile{display:none;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-media);padding:14px 16px;margin-bottom:26px}
.toc-mobile summary{font-size:15px;font-weight:600;color:var(--c-brand);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile ol{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.toc-mobile a{font-size:14px;color:var(--c-ink-2)}

/* ---------- 相关推荐 ---------- */
.related{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:30px}
.section-head p{font-size:15px;color:var(--c-ink-2);margin-top:8px;max-width:620px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:all var(--ease);display:flex;flex-direction:column}
.card:hover{transform:translateY(-2px);border-color:rgba(17,82,75,.24);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;background:rgba(17,82,75,.08);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:19px;line-height:1.5}
.card-body h3 a{color:var(--c-ink)}
.card-body h3 a:hover{color:var(--c-brand)}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);margin-top:auto}

/* ---------- 返回入口 ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:12px;padding:40px 0 0}

/* ---------- CTA 带 ---------- */
.cta-band{margin-top:88px;background:var(--c-deep);color:#EDF3F1;border-radius:24px;padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{font-size:14px;color:rgba(237,243,241,.72);margin-top:10px;max-width:560px}
.cta-band .btn-primary{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:#EDF3F1;margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{font-family:var(--font-sans);font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:14px;letter-spacing:0}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(237,243,241,.66);max-width:340px}
.f-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:#fff;margin-bottom:14px}
.f-brand .brand-mark{background:rgba(255,255,255,.12)}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{font-size:14px;line-height:1.9;color:rgba(237,243,241,.78)}
.foot-links a:hover{color:var(--c-accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(237,243,241,.6)}

/* ---------- 返回顶部 ---------- */
#toTop{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:0;background:var(--c-brand);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--ease);z-index:90}
#toTop.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{background:var(--c-brand-d)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock-nav{display:none}
  .burger{display:block}
  .dock{height:56px;border-radius:24px}
  .icon-btn{display:none}
  .article-grid{grid-template-columns:1fr;gap:34px;padding-top:36px}
  .article-aside{display:none}
  .toc-mobile{display:block}
  .article-head h1{font-size:32px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 28px}
}
@media (max-width:599px){
  body{font-size:16px}
  .container{padding:0 20px}
  .article-head h1{font-size:28px;line-height:1.3}
  .prose h2{font-size:24px;line-height:1.4}
  .prose h3{font-size:19px}
  .section-head h2{font-size:24px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:48px;padding:0 20px}
  .btn-sm{height:40px}
  .cta-band h2{font-size:23px}
  .cta-band{margin-top:64px;padding:30px 22px}
  .related{padding-top:64px}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  #toTop{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --c-brand:#11524B;
  --c-brand-d:#0D423D;
  --c-brand-100:#CFE3DF;
  --c-accent:#C25E1C;
  --c-accent-100:#F6E3D2;
  --c-deep:#0F2B28;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-ink:#16211F;
  --c-ink-2:#4E5A57;
  --c-ink-3:#8A9490;
  --c-ok:#2F7A57;
  --r-card:20px;
  --r-media:14px;
  --sh-1:0 1px 2px rgba(22,33,31,.04), 0 8px 24px rgba(22,33,31,.06);
  --sh-2:0 12px 32px rgba(17,82,75,.12);
  --ease:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--c-accent)}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.25em;padding-left:1.2em}
li{margin-bottom:8px}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;letter-spacing:-.01em;color:var(--c-ink)}
h1{font-size:40px;line-height:1.25;font-weight:700}
h2{font-size:30px;line-height:1.35;font-weight:700}
h3{font-size:21px;line-height:1.5;font-weight:700}
h4{font-size:18px;line-height:1.6;font-weight:700}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent-100);color:var(--c-ink)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:80;padding:16px 0 0;transition:top var(--ease)}
.dock-wrap.is-scrolled{top:8px}
.dock{
  display:flex;align-items:center;gap:16px;
  max-width:1120px;margin:0 auto;height:64px;
  padding:0 14px 0 16px;
  border-radius:28px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),background var(--ease);
}
.dock-wrap.is-scrolled .dock{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:700}
.brand:hover{color:var(--c-brand)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--c-brand);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;
  font-family:"Noto Serif SC","Songti SC",serif;
}
.brand-text{font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-nav a{
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.dock-nav a:hover{background:rgba(17,82,75,.1);color:var(--c-brand)}
.dock-nav a.is-active{background:var(--c-brand);color:#fff}
.dock-nav a.is-active:hover{background:var(--c-brand-d);color:#fff}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:999px;
  display:grid;place-items:center;
  background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2);
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{border-color:rgba(17,82,75,.35);color:var(--c-brand);background:rgba(17,82,75,.06)}
.burger{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:transparent;cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:16px;height:1.8px;background:var(--c-ink);border-radius:2px;
  transform:translateX(-50%);content:"";transition:all var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:70;
  background:var(--c-bg);
  padding:96px 24px 108px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer a.drawer-link{
  font-size:18px;font-weight:600;color:var(--c-ink);
  padding:16px 4px;border-bottom:1px solid var(--c-line);
}
.drawer a.drawer-link.is-active{color:var(--c-brand)}
.drawer .drawer-cta{margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:all var(--ease);text-align:center;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:#A94F14;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(194,94,28,.22)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:rgba(17,82,75,.08);color:var(--c-brand-d)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.link-more{
  font-size:15px;font-weight:600;color:var(--c-brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(17,82,75,.4);
}
.link-more:hover{color:var(--c-accent);text-decoration-color:rgba(194,94,28,.45)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:rgba(17,82,75,.08);color:var(--c-brand);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge-accent{background:var(--c-accent-100);color:#8E4413}
.meta{font-size:13px;line-height:1.6;color:var(--c-ink-3)}
.meta .sep{margin:0 8px;color:var(--c-line)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{color:var(--c-ink-2);font-size:16px;max-width:660px;margin:10px 0 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:rgba(17,82,75,.1);color:var(--c-brand);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 0;
}
.page-hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(194,94,28,.12),rgba(194,94,28,0) 68%);
  pointer-events:none;
}
.crumbs{font-size:14px;color:var(--c-ink-3);margin-bottom:26px;position:relative;z-index:1}
.crumbs a{color:var(--c-ink-3)}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{margin:0 8px}
.page-hero h1{max-width:900px;position:relative;z-index:1}
.page-hero .lede{
  margin-top:20px;max-width:720px;font-size:18px;line-height:1.8;color:var(--c-ink-2);
  position:relative;z-index:1;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  margin-top:26px;position:relative;z-index:1;
}
.hero-figure{
  position:relative;z-index:1;margin-top:48px;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  aspect-ratio:16/7;background:rgba(17,82,75,.08);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 分条目布局 ---------- */
.version-layout{padding-top:8px}
.anchor-nav{
  position:sticky;top:100px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 20px;
}
.anchor-nav h2{
  font-family:inherit;font-size:14px;font-weight:600;color:var(--c-ink-3);
  letter-spacing:.04em;margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:2px;list-style:none;margin:0;padding:0}
.anchor-list li{margin:0}
.anchor-list a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--c-ink-2);
  border-left:3px solid transparent;
  transition:all var(--ease);
}
.anchor-list a:hover{background:rgba(17,82,75,.06);color:var(--c-brand)}
.anchor-list a.is-current{
  color:var(--c-brand);font-weight:600;
  background:rgba(17,82,75,.07);
  border-left-color:var(--c-brand);
}
.anchor-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-ink-3);
}

.v-item{
  display:grid;grid-template-columns:repeat(12,1fr);gap:32px;
  padding:42px 0;border-top:1px solid var(--c-line);
}
.v-item:first-of-type{border-top:0;padding-top:8px}
.v-media{grid-column:span 4}
.v-body{grid-column:span 8}
.v-item--flip .v-media{order:2}
.v-item--flip .v-body{order:1}
.v-media-frame{
  border-radius:var(--r-media);overflow:hidden;border:1px solid var(--c-line);
  aspect-ratio:4/3;background:rgba(17,82,75,.08);
}
.v-media-frame img{width:100%;height:100%;object-fit:cover}
.v-index{
  display:block;font-family:"Inter","Helvetica Neue",Arial,sans-serif;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-accent);
  margin-bottom:10px;
}
.v-body h3{margin-bottom:12px}
.v-body p{font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:640px}
.v-points{list-style:none;margin:18px 0 0;padding:0}
.v-points li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--c-ink-2);
}
.v-points li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--c-brand);
}
.v-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);
}
table.version-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.version-table th,.version-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--c-line)}
.version-table thead th{
  background:rgba(17,82,75,.08);color:var(--c-brand-d);
  font-weight:600;font-size:14px;white-space:nowrap;
}
.version-table tbody tr:nth-child(even){background:rgba(230,223,211,.22)}
.version-table tbody tr:last-child td{border-bottom:0}
.version-table td:first-child{font-weight:700;color:var(--c-brand);font-family:"Inter","Helvetica Neue",Arial,sans-serif}

/* ---------- 提示区（非对称） ---------- */
.note-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.note-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.note-panel h3{font-size:19px;margin-bottom:12px}
.note-panel p{font-size:15.5px;line-height:1.8;color:var(--c-ink-2)}
.steps-mini{list-style:none;margin:0;padding:0;counter-reset:sm}
.steps-mini li{
  counter-increment:sm;position:relative;padding-left:44px;
  padding-bottom:18px;margin:0;
}
.steps-mini li:last-child{padding-bottom:0}
.steps-mini li::before{
  content:counter(sm,decimal-leading-zero);
  position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:999px;
  display:grid;place-items:center;font-size:12px;font-weight:700;
  background:rgba(17,82,75,.1);color:var(--c-brand);
  font-family:"Inter","Helvetica Neue",Arial,sans-serif;
}
.steps-mini strong{display:block;font-size:16px;color:var(--c-ink);margin-bottom:2px}
.steps-mini span{font-size:14.5px;color:var(--c-ink-2);line-height:1.75}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-brand);color:#fff;padding:64px 0}
.cta-band .cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:10px 0 0;max-width:620px}
.cta-band .btn-primary{background:var(--c-accent)}
.cta-band .btn-primary:hover{background:#A94F14}
.cta-note{font-size:13px;color:rgba(255,255,255,.62);margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(247,244,238,.86);padding:72px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{
  font-family:inherit;font-size:14px;font-weight:600;color:rgba(255,255,255,.55);
  margin-bottom:16px;letter-spacing:.04em;
}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:340px}
.f-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:#fff;margin-bottom:14px}
.f-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{color:rgba(247,244,238,.78);font-size:14px;line-height:1.9}
.foot-links a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,244,238,.55);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:44px;height:44px;border-radius:999px;border:0;
  background:var(--c-brand);color:#fff;font-size:18px;line-height:1;
  display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-d)}

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

/* ---------- 断点 ---------- */
@media screen and (max-width:1023px){
  h1{font-size:32px}
  h2{font-size:26px}
  .section{padding:80px 0}
  .dock-nav{display:none}
  .burger{display:block}
  .dock-actions .btn-sm{display:none}
  .page-hero{padding-top:32px}
  .hero-figure{aspect-ratio:16/9;margin-top:36px}
  .note-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .anchor-nav{
    position:static;padding:14px;margin-bottom:28px;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
  }
  .anchor-nav h2,.anchor-note{display:none}
  .anchor-list{flex-direction:row;gap:8px;min-width:max-content}
  .anchor-list a{
    white-space:nowrap;border-left:0;border:1px solid var(--c-line);
    border-radius:999px;padding:8px 16px;font-size:14px;
    background:var(--c-surface);
  }
  .anchor-list a.is-current{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
  .v-item{grid-template-columns:1fr;gap:20px;padding:34px 0}
  .v-media,.v-body{grid-column:auto}
  .v-item--flip .v-media{order:0}
  .v-item--flip .v-body{order:0}
}
@media screen and (max-width:767px){
  .section{padding:64px 0}
  .container{padding:0 20px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:24px}
  .btn{width:100%}
  .dock-actions .btn{width:auto}
  .cta-band .btn{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media screen and (max-width:599px){
  body{font-size:16px;line-height:1.8}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:24px;line-height:1.4}
  h3{font-size:19px}
  .brand-text{font-size:13.5px;max-width:150px;white-space:normal;line-height:1.25}
  .dock{height:56px;border-radius:24px;padding:0 10px 0 12px;gap:10px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px}
  .page-hero .lede{font-size:16px}
  .hero-figure{aspect-ratio:4/3}
  .note-panel{padding:22px}
  .section-head{margin-bottom:26px}
  .to-top{right:16px;bottom:18px}
}
@media screen and (min-width:1280px){
  .container{padding:0 32px}
}

/* roulang page: category1 */
:root{
  --c-brand:#11524B;
  --c-brand-d:#0D423D;
  --c-brand-100:#CFE3DF;
  --c-accent:#C25E1C;
  --c-accent-100:#F6E3D2;
  --c-deep:#0F2B28;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-ink:#16211F;
  --c-ink-2:#4E5A57;
  --c-ink-3:#8A9490;
  --c-ok:#2F7A57;
  --r-card:20px;
  --r-media:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px rgba(22,33,31,.06);
  --sh-2:0 12px 32px rgba(17,82,75,.12);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
h1{font-family:var(--font-serif);font-size:40px;line-height:1.25;letter-spacing:-.01em}
h2{font-family:var(--font-serif);font-size:30px;line-height:1.35;letter-spacing:-.01em}
h3{font-size:21px;line-height:1.5}
h4{font-size:18px;line-height:1.6}
p{margin:0 0 1.25em;max-width:760px}
p:last-child{margin-bottom:0}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
ul,ol{margin:0 0 1.25em;padding-left:0}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{max-width:1180px;margin:0 auto;padding:0 24px;width:100%}
.grid-x.grid-padding-x{margin-left:0;margin-right:0}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:80;padding-top:16px;transition:top .18s ease-out}
.dock-wrap.is-scrolled{top:8px}
.dock{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 16px;
  border-radius:28px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out;
}
.dock-wrap.is-scrolled .dock{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;font-size:16px;white-space:nowrap;flex:0 0 auto}
.brand:hover{color:var(--c-brand)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:var(--c-brand);color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-weight:700;font-size:16px;
}
.brand-text{font-size:16px;letter-spacing:-.01em}
.dock-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.dock-nav a{
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.dock-nav a:hover{background:rgba(17,82,75,.1);color:var(--c-brand)}
.dock-nav a.is-active{background:var(--c-brand);color:#fff}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  display:grid;place-items:center;cursor:pointer;
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover{color:var(--c-brand);border-color:rgba(17,82,75,.4);background:rgba(17,82,75,.05)}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:1.6px;background:var(--c-ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .18s ease-out;
}
.burger span{top:50%;margin-top:-.8px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--c-bg);
  padding:88px 24px 120px;
  display:flex;flex-direction:column;gap:2px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .24s ease-out,visibility .24s ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer a{font-size:18px;color:var(--c-ink);padding:16px 8px;border-bottom:1px solid var(--c-line);font-weight:600}
.drawer a.is-active{color:var(--c-brand)}
.drawer-close{
  position:absolute;top:22px;right:24px;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);cursor:pointer;font-size:18px;
  display:grid;place-items:center;
}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:16px 24px 24px;background:linear-gradient(180deg,rgba(247,244,238,0),var(--c-bg) 30%)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(194,94,28,.2)}
.btn-primary:hover{background:#a94f14;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(194,94,28,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:rgba(17,82,75,.08);color:var(--c-brand)}
.btn-ghost:active{background:rgba(17,82,75,.14)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-line{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-size:15px;font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(17,82,75,.4)}
.btn-line:hover{color:var(--c-accent);text-decoration-color:rgba(194,94,28,.5)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:rgba(17,82,75,.08);color:var(--c-brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-accent{background:rgba(194,94,28,.1);color:var(--c-accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(17,82,75,.08);color:var(--c-brand);
  font-size:13px;font-weight:700;margin-bottom:20px;
}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;padding:48px 0 72px;overflow:hidden}
.page-head::after{
  content:"";position:absolute;top:-160px;right:-140px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(194,94,28,.12),rgba(194,94,28,0) 66%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:28px;line-height:1.6}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb span[aria-current]{color:var(--c-ink-2)}
.head-grid{display:flex;flex-wrap:wrap;align-items:center}
.page-head h1{margin-bottom:18px;max-width:640px}
.lede{font-size:18px;line-height:1.8;color:var(--c-ink-2);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.quick-points{display:flex;flex-wrap:wrap;gap:24px;list-style:none;margin:0;padding:0}
.quick-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.quick-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);flex:0 0 auto;
}
.hero-figure{
  position:relative;border-radius:var(--r-media);overflow:visible;
  border:1px solid var(--c-line);background:rgba(17,82,75,.08);
  box-shadow:var(--sh-1);margin-top:8px;
}
.hero-figure .media{aspect-ratio:16/11;border-radius:var(--r-media);overflow:hidden}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.figure-card{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  box-shadow:var(--sh-2);padding:12px 16px;max-width:240px;
}
.figure-card strong{display:block;font-size:14px;color:var(--c-ink);font-weight:700}
.figure-card span{font-size:12px;color:var(--c-ink-3);line-height:1.6;display:block;margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);margin-bottom:0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ---------- 时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:8px}
.steps::before{
  content:"";position:absolute;top:26px;left:60px;right:60px;height:1px;
  background:var(--c-brand-100);z-index:0;
}
.step{position:relative;z-index:1;display:flex;flex-direction:column}
.step-num{
  width:52px;height:52px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-brand-100);
  color:var(--c-brand);display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:18px;
  box-shadow:0 0 0 10px var(--c-bg);
  margin-bottom:22px;
}
.section-alt .step-num{box-shadow:0 0 0 10px #fff}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin-bottom:0}
.step-media{
  margin-top:18px;border-radius:var(--r-media);overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:4/3;background:rgba(17,82,75,.06);
}
.step-media img{width:100%;height:100%;object-fit:cover}
.step-tag{margin-bottom:12px}

/* ---------- 核对区（非对称） ---------- */
.check-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-line)}
.check-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);
  transition:background .18s ease-out;
}
.check-list li:hover{background:rgba(17,82,75,.03)}
.check-list .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-accent);
  padding-top:3px;flex:0 0 auto;letter-spacing:.04em;
}
.check-list h4{font-family:var(--font-body);font-size:17px;margin-bottom:6px}
.check-list p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin:0}
.side-figure{border-radius:var(--r-media);overflow:hidden;border:1px solid var(--c-line);background:rgba(17,82,75,.06);aspect-ratio:4/3}
.side-figure img{width:100%;height:100%;object-fit:cover}
.side-note{
  margin-top:20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.side-note h4{font-family:var(--font-body);margin-bottom:8px;font-size:16px}
.side-note p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-media);background:#fff}
table.match{min-width:680px;font-size:15px}
table.match th,table.match td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-line);line-height:1.7;vertical-align:top}
table.match thead th{background:rgba(17,82,75,.07);color:var(--c-brand);font-weight:700;font-size:14px;white-space:nowrap}
table.match tbody tr:nth-child(even){background:rgba(247,244,238,.6)}
table.match tbody tr:last-child td{border-bottom:0}
table.match tbody td:first-child{font-weight:700;color:var(--c-ink)}

/* ---------- FAQ ---------- */
.acc{max-width:820px;border-top:1px solid var(--c-line)}
.acc-item{border-bottom:1px solid var(--c-line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:22px 0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.6;
  transition:color .18s ease-out;
}
.acc-btn:hover{color:var(--c-brand)}
.acc-item.is-open .acc-btn{color:var(--c-brand)}
.acc-icon{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;
  border:1px solid var(--c-brand);color:var(--c-brand);
  display:grid;place-items:center;font-size:15px;line-height:1;
  transition:background .18s ease-out,color .18s ease-out;
}
.acc-item.is-open .acc-icon{background:var(--c-brand);color:#fff}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.acc-panel-inner{padding-bottom:22px;max-width:700px}
.acc-panel p{font-size:16px;line-height:1.85;color:var(--c-ink-2);margin:0}
.faq-side{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.faq-side h3{font-size:19px;margin-bottom:12px}
.faq-side p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin-bottom:18px}
.faq-side ul{list-style:none;margin:0 0 22px;padding:0}
.faq-side li{font-size:15px;color:var(--c-ink-2);padding:10px 0;border-top:1px solid var(--c-line);display:flex;gap:10px}
.faq-side li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand-100);margin-top:12px;flex:0 0 auto}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-brand);color:#fff;padding:80px 0;margin-top:96px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,255,255,.12),rgba(255,255,255,0) 65%);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{color:#fff;margin-bottom:14px;max-width:640px}
.cta-band p{color:rgba(255,255,255,.85);max-width:620px;margin-bottom:26px}
.cta-note{font-size:13px;color:rgba(255,255,255,.7);margin-top:18px;margin-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:72px 0 40px}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px}
.site-footer h4{font-family:var(--font-body);font-size:14px;font-weight:600;color:rgba(255,255,255,.5);margin-bottom:14px;letter-spacing:.04em}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{color:rgba(255,255,255,.78);font-size:14px;line-height:1.9;padding:2px 0}
.foot-links a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ---------- 返回顶部 ---------- */
#toTop{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:#fff;border:0;cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh-2);z-index:90;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background .18s ease-out;
}
#toTop.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{background:var(--c-brand-d)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:80px 0}
  .section-tight{padding:64px 0}
  .dock-nav{display:none}
  .burger{display:block}
  .dock{height:60px;padding:0 8px 0 14px}
  .dock-actions .btn-sm{display:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .steps::before{display:none}
  .step-num{box-shadow:none;margin-bottom:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 32px}
  .cta-band{margin-top:80px;padding:64px 0}
  .figure-card{right:8px;bottom:-16px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  h1{font-size:30px;line-height:1.3}
  h2{font-size:24px;line-height:1.4}
  h3{font-size:19px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .section-head{margin-bottom:32px}
  .page-head{padding:32px 0 56px}
  .lede{font-size:17px}
  .hero-actions .btn{width:100%}
  .hero-figure{margin-top:32px}
  .figure-card{position:static;margin-top:14px;max-width:none;box-shadow:var(--sh-1)}
  .steps{grid-template-columns:1fr;gap:32px}
  .cta-band{margin-top:64px;padding:56px 0}
  .acc-btn{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 0 28px}
  .footer-bottom{flex-direction:column;gap:6px}
  #toTop{right:16px;bottom:16px}
}
@media (max-width:599px){
  .quick-points{gap:14px 20px}
  .brand-text{font-size:15px}
  table.match{min-width:560px;font-size:14px}
  table.match th,table.match td{padding:13px 14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
  .btn-primary:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --c-brand:#11524B;
  --c-brand-d:#0D423D;
  --c-brand-100:#CFE3DF;
  --c-accent:#C25E1C;
  --c-accent-100:#F6E3D2;
  --c-deep:#0F2B28;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-ink:#16211F;
  --c-ink-2:#4E5A57;
  --c-ink-3:#8A9490;
  --c-ok:#2F7A57;
  --r-card:20px;
  --r-media:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(22,33,31,.04), 0 8px 24px rgba(22,33,31,.06);
  --sh-2:0 12px 32px rgba(17,82,75,.12);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --ease:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-ink);margin:0}
h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:30px;line-height:1.35;font-weight:700}
h3{font-size:21px;line-height:1.5;font-weight:700}
h4{font-size:18px;line-height:1.6;font-weight:700}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:0 0 4px}
.dock{
  position:relative;
  display:flex;align-items:center;gap:16px;
  max-width:1120px;margin:0 auto;
  min-height:64px;padding:0 12px 0 16px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--c-line);border-radius:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),top var(--ease);
}
.dock.is-scrolled{box-shadow:0 12px 32px rgba(17,82,75,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:700}
.brand:hover{color:var(--c-brand-d)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-brand) 0%,var(--c-brand-d) 100%);
  color:#F7F4EE;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:17px;font-weight:700;
}
.brand-text{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  font-size:15px;color:var(--c-ink-2);padding:8px 14px;border-radius:999px;
  transition:background-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{background:rgba(17,82,75,.1);color:var(--c-brand-d)}
.dock-nav a.is-active{background:var(--c-brand);color:#F2F7F5}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease);
}
.icon-btn:hover{background:rgba(17,82,75,.08);border-color:rgba(17,82,75,.24)}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-brand);
  content:"";display:block;transition:var(--ease);
}
.burger span{top:19px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.dock.is-open .burger span{background:transparent}
.dock.is-open .burger span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.dock.is-open .burger span::after{top:0;transform:translateX(-50%) rotate(-45deg)}
.drawer-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(194,94,28,.22)}
.btn-primary:hover{background:#AC5119;color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(194,94,28,.18)}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:rgba(17,82,75,.08);color:var(--c-brand-d)}
.btn-light{background:#fff;color:var(--c-brand);border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:#F2F7F5;color:var(--c-brand-d)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-more{
  color:var(--c-brand);font-size:15px;font-weight:700;
  text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(17,82,75,.4);
}
.link-more:hover{color:var(--c-accent);text-decoration-color:rgba(194,94,28,.5)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  background:rgba(17,82,75,.08);color:var(--c-brand-d);
  font-size:13px;font-weight:700;line-height:1.5;white-space:nowrap;
}
.badge-accent{background:var(--c-accent-100);color:#8E4213}
.meta{font-size:13px;line-height:1.6;color:var(--c-ink-3)}

/* ---------- 面包屑与页头 ---------- */
.crumb{padding:28px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-ink-3);list-style:none;margin:0;padding:0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--c-ink-3)}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-accent)}

.page-head{padding:36px 0 48px;position:relative;overflow:hidden}
.page-head::after{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,94,28,.12) 0%,rgba(194,94,28,0) 70%);
  pointer-events:none;
}
.page-head .eyebrow{margin-bottom:14px}
.page-head h1{max-width:820px}
.page-head .lead{
  max-width:760px;margin-top:18px;color:var(--c-ink-2);
  font-size:17px;line-height:1.85;
}
.head-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px}
.search-box{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:0 8px 0 18px;height:48px;min-width:320px;flex:1 1 320px;max-width:480px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box svg{color:var(--c-ink-3);flex:0 0 auto}
.search-box input{
  border:0;outline:0;background:transparent;flex:1;height:46px;font-size:15px;color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3)}
.search-box:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(17,82,75,.12)}
.head-note{font-size:13px;color:var(--c-ink-3);flex:1 1 200px}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{padding:0 0 8px}
.filter-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch;
}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:999px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:15px;font-weight:700;white-space:nowrap;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.chip:hover{border-color:rgba(17,82,75,.3);color:var(--c-brand-d)}
.chip.is-current{background:var(--c-brand);border-color:var(--c-brand);color:#F2F7F5}
.chip .count{font-family:var(--font-num);font-size:13px;opacity:.75;margin-left:8px}

/* ---------- FAQ 手风琴卡片 ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:8px 24px 12px;
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.faq-card:hover{border-color:rgba(17,82,75,.24);box-shadow:var(--sh-2);transform:translateY(-2px)}
.faq-card-head{display:flex;align-items:center;gap:12px;padding:18px 0 14px;border-bottom:1px solid var(--c-line)}
.faq-card-head .idx{
  font-family:var(--font-num);font-size:13px;color:var(--c-ink-3);letter-spacing:.04em;
}
.faq-card-head h3{font-size:19px}
.acc-item{border-bottom:1px solid var(--c-line)}
.acc-item:last-child{border-bottom:0}
.acc-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:16px 0;font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.6;
  transition:color var(--ease);
}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary::after{
  content:"+";flex:0 0 26px;width:26px;height:26px;margin-left:auto;
  border:1px solid var(--c-brand);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);font-family:var(--font-num);font-size:16px;line-height:1;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.acc-item[open] summary{color:var(--c-brand)}
.acc-item[open] summary::after{content:"−";background:var(--c-brand);color:#fff}
.acc-item summary:hover{color:var(--c-brand-d)}
.acc-body{padding:0 0 18px;font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:720px}
.acc-body ul{margin:12px 0 0}
.acc-body li{position:relative;padding-left:18px;margin-bottom:8px}
.acc-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--c-brand);
}
.acc-body strong{color:var(--c-ink)}

/* ---------- 提示信息对照表 ---------- */
.table-block{margin-top:72px}
.table-block .block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.table-block h2{margin-bottom:8px}
.table-block p{color:var(--c-ink-2);max-width:760px;margin:0}
.table-scroll{
  overflow-x:auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:16px 20px;text-align:left;font-size:15px;line-height:1.7;border-bottom:1px solid var(--c-line)}
th{background:rgba(17,82,75,.08);color:var(--c-brand-d);font-size:14px;font-weight:700;white-space:nowrap}
tbody tr:nth-child(even){background:rgba(247,244,238,.7)}
tbody tr:last-child td{border-bottom:0}
td:first-child{font-weight:700;color:var(--c-ink)}
td .badge{font-size:12px}

/* ---------- 相关文章卡 ---------- */
.related{margin-top:88px}
.related-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.post-card:hover{border-color:rgba(17,82,75,.24);box-shadow:var(--sh-2);transform:translateY(-2px)}
.post-media{position:relative;aspect-ratio:16/10;background:rgba(17,82,75,.08);overflow:hidden}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.post-card:hover .post-media img{transform:scale(1.03)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:19px;line-height:1.5}
.post-body h3 a{color:var(--c-ink)}
.post-body h3 a:hover{color:var(--c-brand)}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.arrow{color:var(--c-brand);font-family:var(--font-num);transition:transform var(--ease)}
.post-card:hover .arrow{transform:translateX(3px)}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-deep);color:#EDF3F1;border-radius:28px;
  padding:56px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;top:-160px;right:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,94,28,.22) 0%,rgba(194,94,28,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(237,243,241,.78);font-size:15px;max-width:520px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1}
.cta-note{grid-column:1/-1;font-size:13px;color:rgba(237,243,241,.6);border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:#EDF3F1;margin-top:112px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:16px;font-family:var(--font-sans)}
.f-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px;color:#fff}
.site-footer p{color:rgba(237,243,241,.68);font-size:14px;line-height:1.9;max-width:340px}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{color:rgba(237,243,241,.82);font-size:14px;line-height:1.9;display:inline-block;padding:2px 0}
.foot-links a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(237,243,241,.6);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(17,82,75,.28);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background-color var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-d)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:80px 0}
  .site-footer{padding:60px 0 24px;margin-top:88px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:991px){
  .dock{min-height:58px;border-radius:24px}
  .dock-nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:#F7F4EE;border:1px solid var(--c-line);border-radius:22px;
    box-shadow:0 18px 40px rgba(22,33,31,.14);padding:14px;
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{font-size:18px;padding:13px 16px;border-radius:14px}
  .drawer-cta{display:none}
  .dock.is-open .drawer-cta{display:inline-flex;margin:6px 14px 8px}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .brand-text{max-width:150px}
  .icon-btn{display:none}
  .dock-actions .btn-sm{height:38px;padding:0 16px;font-size:14px}
}
@media (max-width:899px){
  .faq-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:24px;line-height:1.4}
  h3{font-size:19px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .page-head{padding:26px 0 36px}
  .search-box{min-width:0;flex:1 1 100%;max-width:none}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .table-block{margin-top:56px}
  .related{margin-top:64px}
  .site-footer{margin-top:64px}
  .cta-band{padding:36px 22px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .to-top{right:16px;bottom:18px}
  th,td{padding:14px 16px;font-size:14px}
}
@media (max-width:520px){
  .brand-text{max-width:112px;font-size:14px}
  .dock-actions .btn-sm{display:none}
  .dock.is-open .drawer-cta{display:inline-flex}
  .post-body{padding:18px 20px 20px}
  .acc-item summary{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .post-card:hover,.faq-card:hover{transform:none}
}