/* roulang page: index */
:root{
  --ink:#241C2B;
  --ink-2:#3B2E45;
  --paper:#F7F3EE;
  --paper-2:#EFE8E1;
  --line:rgba(36,28,43,.12);
  --crimson:#A62B3C;
  --crimson-d:#8E2233;
  --gold:#B99354;
  --muted:#6B6470;
  --radius-card:14px;
  --radius-btn:6px;
  --radius-img:10px;
  --shadow-1:0 1px 2px rgba(36,28,43,.06),0 12px 32px -18px rgba(36,28,43,.28);
  --shadow-2:0 2px 4px rgba(36,28,43,.08),0 20px 44px -20px rgba(36,28,43,.36);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.88;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600}
h1{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.22;letter-spacing:.01em}
h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
::selection{background:rgba(166,43,60,.16)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.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:44px;flex-wrap:wrap}
.section-head .head-main{display:flex;flex-direction:column;gap:10px}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:28px;
  background:var(--gold);border-radius:2px;
}
.section-head .head-sub{color:var(--muted);font-size:15px;max-width:620px;letter-spacing:.03em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;color:var(--gold);font-weight:600}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:block}
.muted{color:var(--muted)}
.num{font-family:var(--font-serif);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
  transition:background .24s cubic-bezier(.2,.7,.2,1),color .24s,border-color .24s,transform .24s,box-shadow .24s;
}
.btn i,.btn .arw{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn:hover i.fa-arrow-right,.btn:hover .arw{transform:translateX(3px)}
.btn-primary{background:var(--crimson);color:#FBF7F2}
.btn-primary:hover{background:var(--crimson-d);box-shadow:0 10px 24px -14px rgba(166,43,60,.8)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(36,28,43,.08);border-color:var(--ink-2)}
.btn-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-light:hover{background:#fff}
.btn-outline-light{background:transparent;border-color:rgba(247,243,238,.55);color:var(--paper)}
.btn-outline-light:hover{background:rgba(247,243,238,.12);border-color:var(--paper)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:3px;letter-spacing:.05em;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.btn-text:hover{color:var(--crimson)}
.btn-text:hover::after{transform:scaleX(1)}
.btn:focus-visible,.btn-text:focus-visible,.icon-btn:focus-visible,.nav-link:focus-visible{
  outline:2px solid rgba(36,28,43,.35);outline-offset:2px;border-radius:4px;
}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);
  transition:border-color .24s,color .24s,background .24s;
}
.icon-btn:hover{border-color:var(--crimson);color:var(--crimson)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s,background .2s}
.site-header.is-stuck{box-shadow:var(--shadow-1)}
.header-brand{border-bottom:1px solid var(--line);transition:height .2s}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s}
.site-header.is-stuck .brand-inner{height:60px}
.brand-logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--gold);flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-family:var(--font-serif);font-size:21px;font-weight:600;letter-spacing:.1em;color:var(--ink);white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:14px}
.search-wrap{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:6px;background:var(--paper);padding:0 10px;height:38px;transition:border-color .24s}
.search-wrap:focus-within{border-color:var(--ink)}
.search-wrap i{color:var(--muted);font-size:13px}
.search-wrap input{border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--ink);font-family:inherit}
.search-wrap input::placeholder{color:var(--muted)}
.action-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:rgba(36,28,43,.78);transition:color .2s}
.action-link:hover{color:var(--crimson)}
.hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink);align-items:center;justify-content:center}
.header-nav{background:var(--paper-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:50px}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;color:rgba(36,28,43,.7);padding:14px 0;display:inline-block;
  transition:color .2s;
}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--crimson);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{height:2px;transform:scaleX(1)}
.nav-updated{font-size:13px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.nav-updated time{color:var(--gold);font-variant-numeric:tabular-nums}
.mobile-drawer{
  position:fixed;inset:0;background:var(--paper);z-index:80;transform:translateY(-100%);
  transition:transform .3s cubic-bezier(.2,.7,.2,1);display:flex;flex-direction:column;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:72px;padding:0 24px;border-bottom:1px solid var(--line)}
.drawer-body{flex:1;overflow-y:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 24px;border-bottom:1px solid var(--line);font-size:16px}
.drawer-link.is-active{color:var(--crimson);font-weight:600}
.drawer-foot{padding:20px 24px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 0;position:relative}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.hero h1{margin-top:2px}
.hero-sub{font-size:18px;line-height:1.85;color:var(--muted);max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}
.hero-figure{position:relative;padding:0 14px 14px 0}
.hero-frame{
  position:absolute;top:14px;left:14px;right:0;bottom:0;
  border:1px solid var(--gold);border-radius:var(--radius-img);pointer-events:none;
}
.hero-figure img{
  position:relative;width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);
}
.hero-figure::after{
  content:"";position:absolute;inset:0 14px 14px 0;border-radius:var(--radius-img);
  background:rgba(36,28,43,.06);pointer-events:none;
}
.hero-index{
  margin-top:72px;background-image:linear-gradient(rgba(36,28,43,.68),rgba(36,28,43,.68)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;border-top:1px solid rgba(247,243,238,.14);
}
.hero-index-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.hero-index-cell{
  padding:26px 22px;border-right:1px solid rgba(247,243,238,.16);color:#F7F3EE;
}
.hero-index-cell:last-child{border-right:0}
.hero-index-cell .fig{font-family:var(--font-serif);font-size:26px;color:var(--gold);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-index-cell .lbl{font-size:13px;letter-spacing:.08em;color:rgba(247,243,238,.78);margin-top:6px}

/* ---------- 合集目录 ---------- */
.catalog-list{border-top:1px solid var(--line)}
.catalog-row{
  display:grid;grid-template-columns:64px 1fr 190px 40px;align-items:center;gap:20px;
  min-height:84px;padding:14px 16px;border-bottom:1px dashed var(--line);
  transition:background .24s;
}
.catalog-row:hover{background:var(--paper-2)}
.catalog-num{font-family:var(--font-serif);font-size:19px;color:var(--gold);font-variant-numeric:tabular-nums;transition:color .24s}
.catalog-row:hover .catalog-num{color:var(--crimson)}
.catalog-title{font-family:var(--font-serif);font-size:18px;font-weight:600;display:inline-block;position:relative}
.catalog-title::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--crimson);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.catalog-row:hover .catalog-title::after{transform:scaleX(1)}
.catalog-desc{color:var(--muted);font-size:14px;margin-top:4px;line-height:1.7}
.catalog-meta{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.catalog-arrow{color:var(--muted);text-align:right;transition:color .24s,transform .24s}
.catalog-row:hover .catalog-arrow{color:var(--crimson);transform:translateX(3px)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border:1px solid var(--line);
  border-radius:999px;font-size:12px;letter-spacing:.05em;color:var(--muted);background:var(--paper);
}
.tag-gold{border-color:rgba(185,147,84,.5);color:var(--gold)}
.tag-crimson{border-color:rgba(166,43,60,.4);color:var(--crimson)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;background:rgba(36,28,43,.06);pointer-events:none}
.card-cover .tag{position:absolute;left:12px;top:12px;background:rgba(247,243,238,.94);z-index:2}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{color:var(--muted);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.card-meta .date{font-variant-numeric:tabular-nums;color:var(--gold);letter-spacing:.04em}
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feature-side{display:grid;gap:24px;align-content:stretch}
.mini-card{
  display:grid;grid-template-columns:150px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--paper);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s;height:100%;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.mini-card .thumb{position:relative;overflow:hidden;background:var(--paper-2)}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover}
.mini-card .thumb::after{content:"";position:absolute;inset:0;background:rgba(36,28,43,.06)}
.mini-card .txt{padding:18px 20px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.mini-card h3{font-size:17px;line-height:1.45}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.tall-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--paper);transition:transform .3s,box-shadow .3s}
.tall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tall-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.tall-card .txt{padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.quote-card{
  border:1px solid var(--line);border-left:3px solid var(--crimson);border-radius:var(--radius-card);
  background:var(--paper-2);padding:24px 24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .3s,box-shadow .3s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.quote-card h3{font-size:18px;line-height:1.5}
.quote-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 24px 20px;display:flex;flex-direction:column;gap:12px;height:100%;
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s;
}
.cms-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--gold);border-radius:2px;opacity:.85}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cms-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card h3 a:hover{color:var(--crimson)}
.cms-card .cms-desc{color:var(--muted);font-size:14px;line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.cms-meta .date{font-size:13px;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:.05em}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;
  display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;color:var(--muted);
}

/* ---------- 横滑推荐 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-item{flex:0 0 272px;scroll-snap-align:start}
.rail-card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--paper);
  transition:transform .3s,box-shadow .3s;height:100%;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rail-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.rail-card .idx{
  position:absolute;left:12px;top:12px;font-family:var(--font-serif);font-size:15px;color:#F7F3EE;
  background:rgba(36,28,43,.72);border:1px solid rgba(185,147,84,.6);border-radius:4px;padding:2px 8px;
}
.rail-card .txt{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px}
.rail-card h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card .sm{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.rail-arrows{display:flex;gap:8px}

/* ---------- CTA ---------- */
.cta-band{
  background-image:linear-gradient(rgba(36,28,43,.88),rgba(36,28,43,.88)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;color:#F7F3EE;padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy h2{color:#F7F3EE;font-size:clamp(1.4rem,2.4vw,1.9rem);padding-left:18px;position:relative}
.cta-copy h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:26px;background:var(--gold)}
.cta-copy p{color:rgba(247,243,238,.76);font-size:15px;margin-top:12px;max-width:520px}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-actions .icon-btn{background:transparent;border-color:rgba(247,243,238,.35);color:#F7F3EE}
.cta-actions .icon-btn:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;gap:16px;
  padding:22px 4px;color:var(--ink);font-size:16.5px;font-family:var(--font-serif);font-weight:600;
}
.faq-num{font-size:14px;color:var(--gold);font-variant-numeric:tabular-nums;flex-shrink:0;font-family:var(--font-serif)}
.faq-title{flex:1}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .26s cubic-bezier(.2,.7,.2,1)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:background .26s,opacity .26s}
.faq-icon::before{left:0;top:8px;width:18px;height:1.6px}
.faq-icon::after{left:8px;top:0;width:1.6px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--crimson)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .26s ease,opacity .26s ease}
.faq-item.is-open .faq-a{opacity:1}
.faq-a-inner{padding:0 40px 22px 44px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,243,238,.76);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(247,243,238,.14)}
.footer-brand .brand-text{color:#F7F3EE}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:300px;color:rgba(247,243,238,.66)}
.footer-col h4{font-size:15px;color:#F7F3EE;margin-bottom:16px;letter-spacing:.08em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(247,243,238,.7);transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(247,243,238,.7);margin-bottom:10px}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:36px;height:36px;border:1px solid rgba(247,243,238,.24);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;color:#F7F3EE;transition:border-color .24s,color .24s}
.footer-social a:hover{border-color:var(--gold);color:var(--gold)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0;font-size:13px;color:rgba(247,243,238,.5);flex-wrap:wrap}
.footer-disclaimer{padding-bottom:32px;font-size:12.5px;color:rgba(247,243,238,.42);line-height:1.8}
.footer-acc-btn{display:none}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:52px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{max-width:520px}
  .feature-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:repeat(2,1fr)}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .search-wrap input{width:110px}
  .action-link span{display:none}
  .header-nav{display:none}
  .hamburger{display:inline-flex}
  .hero-index-grid{grid-template-columns:repeat(2,1fr)}
  .hero-index-cell:nth-child(2){border-right:0}
  .hero-index-cell:nth-child(1),.hero-index-cell:nth-child(2){border-bottom:1px solid rgba(247,243,238,.16)}
  .catalog-row{grid-template-columns:44px 1fr 24px;gap:14px;min-height:72px}
  .catalog-desc{display:none}
  .catalog-meta{display:none}
  .cms-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr}
  .mini-card{grid-template-columns:120px 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-a-inner{padding:0 16px 20px 38px}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:24px}
  .footer-col{border-bottom:1px solid rgba(247,243,238,.14)}
  .footer-acc-btn{display:flex;width:100%;background:transparent;border:0;color:#F7F3EE;font-size:15px;letter-spacing:.08em;padding:18px 0;align-items:center;justify-content:space-between}
  .footer-col h4{display:none}
  .footer-col ul,.footer-contact{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .footer-col.is-open ul,.footer-col.is-open .footer-contact{max-height:400px;padding-bottom:16px}
  .footer-brand{border-bottom:1px solid rgba(247,243,238,.14);padding-bottom:20px}
  .brand-text{font-size:19px}
}
@media (max-width:520px){
  .search-wrap{display:none}
  .hero-cta .btn{width:100%}
  .hero-index-grid{grid-template-columns:1fr}
  .hero-index-cell{border-right:0;border-bottom:1px solid rgba(247,243,238,.16)}
  .mini-card{grid-template-columns:1fr}
  .mini-card .thumb{aspect-ratio:16/10}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --ink:#241C2B;
  --ink-2:#3B2E45;
  --paper:#F7F3EE;
  --paper-2:#EFE8E1;
  --line:rgba(36,28,43,.12);
  --crimson:#A62B3C;
  --crimson-d:#8E2233;
  --gold:#B99354;
  --muted:#6B6470;
  --radius-card:14px;
  --radius-btn:6px;
  --radius-img:10px;
  --shadow-1:0 1px 2px rgba(36,28,43,.06),0 12px 32px -18px rgba(36,28,43,.28);
  --shadow-2:0 2px 4px rgba(36,28,43,.08),0 20px 44px -20px rgba(36,28,43,.36);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;font-weight:600;margin:0;line-height:1.32}
p{margin:0 0 1em}
:focus-visible{outline:2px solid rgba(166,43,60,.55);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:var(--shadow-1)}
.brand-bar{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand-logo{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:26px;height:26px;border:1px solid var(--gold);border-radius:4px;position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:5px;background:var(--crimson);border-radius:1px}
.brand-text{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:20px;font-weight:600;letter-spacing:.06em;color:var(--ink)}
.brand-tools{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;min-width:220px;transition:border-color .2s,box-shadow .2s}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:#9A93A0}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(36,28,43,.12)}
.icon-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);transition:border-color .2s,color .2s,transform .2s}
.icon-btn:hover{border-color:var(--crimson);color:var(--crimson)}
.icon-btn:active{transform:translateY(1px)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;white-space:nowrap;transition:background-color .24s cubic-bezier(.2,.7,.2,1),color .24s,border-color .24s,transform .24s}
.btn i{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn-primary{background:var(--crimson);color:#FBF7F3}
.btn-primary:hover{background:var(--crimson-d)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(36,28,43,.08);border-color:var(--ink-2)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-paper{border:1px solid rgba(247,243,238,.55);color:var(--paper);background:transparent}
.btn-outline-paper:hover{background:rgba(247,243,238,.12);border-color:var(--paper)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--ink);padding:0}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn-text:hover{color:var(--crimson)}
.btn-text:hover::after{transform:scaleX(1)}

/* ---------- channel nav ---------- */
.header-nav{background:var(--paper-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:50px}
.nav-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{display:inline-block;padding:14px 0;font-size:15px;color:rgba(36,28,43,.7);border-bottom:1px solid transparent;transition:color .2s,border-color .24s}
.nav-link:hover{color:var(--ink);border-bottom-color:var(--crimson)}
.nav-link.is-active{color:var(--ink);font-weight:600;border-bottom:2px solid var(--crimson)}
.nav-updated{font-size:13px;letter-spacing:.06em;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.nav-updated time{color:var(--gold)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;left:0;right:0;top:72px;bottom:0;background:var(--paper);z-index:80;transform:translateX(101%);transition:transform .3s cubic-bezier(.2,.7,.2,1);overflow-y:auto;padding:8px 0 96px;border-top:1px solid var(--line)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:50px;padding:0 20px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink)}
.drawer-link.is-active{color:var(--crimson);font-weight:600}
.drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:12px 20px;background:var(--paper);border-top:1px solid var(--line);z-index:81;transform:translateX(101%);transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.drawer-cta.is-open{transform:translateX(0)}
.drawer-cta .btn{width:100%}

/* ---------- breadcrumb ---------- */
.breadcrumb{background:var(--paper);border-bottom:1px solid var(--line)}
.breadcrumb-inner{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:13px;color:var(--muted);flex-wrap:wrap}
.breadcrumb-inner a{color:var(--muted);transition:color .2s}
.breadcrumb-inner a:hover{color:var(--crimson)}
.breadcrumb-inner .sep{color:rgba(36,28,43,.28)}
.breadcrumb-inner .current{color:var(--ink);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:40px 0 0;background:var(--paper)}
.article-head-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:32px}
.kicker{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.06em;color:var(--gold);margin-bottom:14px}
.kicker-line{display:inline-block;width:22px;height:1px;background:var(--gold)}
.article-title{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.24;letter-spacing:.01em;max-width:900px}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13px;letter-spacing:.06em;color:var(--muted)}
.meta-time{font-family:Georgia,"Songti SC",serif;font-variant-numeric:tabular-nums;font-size:15px;color:var(--gold);letter-spacing:.04em}
.meta-sep{width:1px;height:12px;background:var(--line)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border:1px solid rgba(36,28,43,.22);border-radius:999px;font-size:12px;letter-spacing:.04em;color:var(--ink);transition:border-color .2s,color .2s}
.tag:hover{border-color:var(--crimson);color:var(--crimson)}
.article-actions{display:flex;gap:10px;flex:0 0 auto;padding-top:8px}
.head-rule{height:1px;background:var(--line);margin-top:28px}

/* ---------- layout ---------- */
.article-main{padding:48px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
.article-col{min-width:0}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#2E2536}
.article-body h1,.article-body h2,.article-body h3,.article-body h4{color:var(--ink);scroll-margin-top:140px}
.article-body h1{font-size:1.6rem;margin:1.8em 0 .8em}
.article-body h2{font-size:clamp(1.35rem,2.2vw,1.65rem);margin:2.2em 0 .9em;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.4em;width:3px;height:20px;background:var(--gold)}
.article-body h3{font-size:1.2rem;margin:1.8em 0 .7em;padding-left:12px;position:relative}
.article-body h3::before{content:"";position:absolute;left:0;top:.42em;width:3px;height:16px;background:var(--crimson)}
.article-body p{margin:0 0 1.4em}
.article-body a{color:var(--crimson);border-bottom:1px solid rgba(166,43,60,.35)}
.article-body a:hover{border-bottom-color:var(--crimson)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;background:var(--crimson)}
.article-body ol{counter-reset:olit;padding-left:0}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.55em}
.article-body ol li::before{counter-increment:olit;content:counter(olit) ".";position:absolute;left:0;top:0;font-family:Georgia,serif;font-size:15px;color:var(--gold)}
.article-body blockquote{margin:1.8em 0;padding:20px 24px;background:var(--paper-2);border-left:3px solid var(--crimson);border-radius:0 var(--radius-img) var(--radius-img) 0;color:#4A3F52}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:32px auto;height:auto}
.article-body figure{margin:32px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--paper-2);font-weight:600}
.article-body pre{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-img);padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
@media (min-width:1024px){
  .article-body > p:first-of-type::first-letter{
    float:left;font-family:"Noto Serif SC",Georgia,serif;font-size:3.2em;line-height:.92;
    margin:.06em .14em 0 0;color:var(--crimson);
  }
}
.empty-state{margin:8px 0 56px;padding:48px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);text-align:center;background:#fff}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- sidebar ---------- */
.article-side{min-width:0;display:flex;flex-direction:column;gap:24px}
.side-details{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden}
.side-details > summary{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 18px;font-family:"Noto Serif SC",Georgia,serif;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.side-details > summary::-webkit-details-marker{display:none}
.side-details > summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--muted);transition:transform .24s}
.side-details[open] > summary::after{transform:rotate(180deg)}
.side-details-body{padding:4px 18px 18px}
.toc-list li{margin-bottom:2px}
.toc-link{display:block;padding:8px 0 8px 14px;font-size:14px;color:var(--muted);border-left:2px solid transparent;transition:color .2s,border-color .2s,background-color .2s}
.toc-link:hover{color:var(--ink);background:var(--paper)}
.toc-link.is-current{color:var(--crimson);border-left-color:var(--crimson);font-weight:600}
.toc-link.level-3{padding-left:28px;font-size:13px}
.hot-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:4px}
.hot-item{display:flex;gap:10px;align-items:baseline}
.hot-num{font-family:Georgia,serif;font-size:13px;color:var(--gold);flex:0 0 auto}
.hot-title{font-size:14px;line-height:1.6;color:var(--ink);transition:color .2s}
.hot-title:hover{color:var(--crimson)}

/* ---------- article footer ops ---------- */
.article-ops{margin-top:56px;padding-top:28px;border-top:1px solid var(--line);max-width:760px}
.op-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.op-tags-label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-right:4px}
.op-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);flex-wrap:wrap}
.op-bar-left{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.op-bar-left strong{color:var(--ink);font-weight:600}
.op-icons{display:flex;gap:8px}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}
.pager-card{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;transition:border-color .24s,transform .24s,box-shadow .24s}
.pager-card:hover{border-color:rgba(166,43,60,.45);transform:translateY(-4px);box-shadow:var(--shadow-2)}
.pager-prefix{display:block;font-size:12px;letter-spacing:.06em;color:var(--gold);margin-bottom:8px}
.pager-title{font-size:15px;font-weight:600;line-height:1.6;color:var(--ink)}
.pager-card.is-next .pager-prefix{text-align:right}
.pager-card.is-next .pager-title{text-align:right}

/* ---------- related ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:24px;background:var(--gold)}
.section-head p{font-size:14px;color:var(--muted);margin:8px 0 0;padding-left:16px}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(36,28,43,.2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:rgba(59,46,69,.06);box-shadow:inset 0 0 0 1px rgba(185,147,84,.35)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.card-meta time{font-family:Georgia,serif;font-variant-numeric:tabular-nums;color:var(--gold)}
.card-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);transition:color .2s}
.card-more i{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-more{color:var(--crimson)}
.card:hover .card-more i{transform:translateX(3px)}

/* ---------- cta band ---------- */
.cta-band{position:relative;margin-top:88px;background-color:var(--ink);background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(36,28,43,.8)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-copy{max-width:560px}
.cta-copy h2{color:var(--paper);font-size:clamp(1.4rem,2.2vw,1.85rem);margin-bottom:10px}
.cta-copy p{color:rgba(247,243,238,.72);font-size:15px;margin:0}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(247,243,238,.4);border-radius:var(--radius-btn);color:var(--paper);transition:border-color .2s,color .2s,background-color .2s}
.cta-icon:hover{border-color:var(--paper);background:rgba(247,243,238,.12)}

/* ---------- back entry ---------- */
.back-entry{padding:40px 0 0}
.back-entry .btn-text{font-size:15px}

/* ---------- footer ---------- */
.site-footer{margin-top:88px;background:var(--ink);color:rgba(247,243,238,.82);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:var(--paper);font-size:19px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(247,243,238,.6);max-width:280px}
.footer-col h4{font-size:15px;color:var(--paper);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(247,243,238,.72);transition:color .2s}
.footer-col ul li a:hover{color:var(--paper)}
.footer-acc-btn{display:none}
.footer-contact p{font-size:14px;color:rgba(247,243,238,.7);margin-bottom:10px}
.footer-social{display:flex;gap:10px;margin-top:14px}
.footer-social a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(247,243,238,.28);border-radius:var(--radius-btn);color:rgba(247,243,238,.85);transition:border-color .2s,color .2s,background-color .2s}
.footer-social a:hover{border-color:var(--crimson);color:#fff;background:rgba(166,43,60,.28)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(247,243,238,.6)}
.footer-disclaimer{margin-top:14px;font-size:12px;line-height:1.8;color:rgba(247,243,238,.45)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (min-width:640px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:768px){
  .container{padding:0 24px}
}
@media (min-width:1024px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
  .article-side{position:sticky;top:140px}
  .side-details > summary{display:none}
  .side-details-body{display:block !important;padding:18px 18px 18px}
  .side-details{border-radius:var(--radius-card)}
  .pager{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .article-side{order:-1}
  .side-details-body{padding-top:0}
}
@media (max-width:860px){
  .search-box{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .brand-inner{height:64px}
  .brand-text{font-size:18px}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .brand-tools .icon-btn{display:none}
  .mobile-drawer{top:64px}
  .nav-updated{display:none}
  .nav-list{gap:22px}
  .article-head{padding-top:28px}
  .article-actions{padding-top:0}
  .article-head-inner{flex-direction:column;gap:16px}
  .pager{grid-template-columns:1fr}
  .pager-card.is-next .pager-prefix,.pager-card.is-next .pager-title{text-align:left}
  .cta-band{margin-top:64px}
  .cta-inner{padding:44px 0}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.14)}
  .footer-col h4{display:none}
  .footer-col ul{display:none;padding-bottom:14px}
  .footer-col.is-open ul{display:block}
  .footer-acc-btn{display:flex;align-items:center;justify-content:space-between;width:100%;height:52px;font-size:15px;color:var(--paper)}
  .footer-acc-btn i{transition:transform .24s;font-size:12px}
  .footer-col.is-open .footer-acc-btn i{transform:rotate(180deg)}
  .footer-contact{padding-bottom:14px;display:none}
  .footer-col.is-open .footer-contact{display:block}
  .footer-brand{margin-bottom:8px}
}
@media (max-width:520px){
  .nav-link{font-size:14px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .article-body{font-size:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink:#241C2B;
  --ink-2:#3B2E45;
  --paper:#F7F3EE;
  --paper-2:#EFE8E1;
  --line:rgba(36,28,43,.12);
  --crimson:#A62B3C;
  --crimson-d:#8E2233;
  --gold:#B99354;
  --muted:#6B6470;
  --radius-card:14px;
  --radius-btn:6px;
  --radius-img:10px;
  --shadow-1:0 1px 2px rgba(36,28,43,.06),0 12px 32px -18px rgba(36,28,43,.28);
  --shadow-2:0 2px 4px rgba(36,28,43,.08),0 20px 44px -20px rgba(36,28,43,.36);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.87;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.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}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;letter-spacing:.03em;border:1px solid transparent;
  cursor:pointer;transition:background-color .24s cubic-bezier(.2,.7,.2,1),color .24s,border-color .24s,transform .24s,box-shadow .24s;
  white-space:nowrap;
}
.btn i{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn-primary{background:var(--crimson);color:#FFF8F4}
.btn-primary:hover{background:var(--crimson-d)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:focus-visible{outline:2px solid rgba(36,28,43,.3);outline-offset:2px}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:rgba(36,28,43,.08);border-color:var(--ink-2)}
.btn-secondary:focus-visible{outline:2px solid rgba(36,28,43,.3);outline-offset:2px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink);
  background:none;border:0;padding:0 0 2px;cursor:pointer;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.btn-text:hover{color:var(--crimson)}
.btn-text:hover::after{transform:scaleX(1)}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper);
  color:var(--ink);cursor:pointer;transition:border-color .22s,color .22s,background-color .22s;
}
.icon-btn:hover{border-color:var(--crimson);color:var(--crimson)}
.icon-btn:focus-visible{outline:2px solid rgba(36,28,43,.3);outline-offset:2px}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);transition:box-shadow .22s}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.head-top{border-bottom:1px solid var(--line)}
.brand-row{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:height .22s}
.site-header.is-scrolled .brand-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--gold);font-family:var(--serif);font-size:18px;
  border:1px solid var(--gold);border-radius:4px;
}
.brand-text{font-family:var(--serif);font-size:1.35rem;font-weight:600;letter-spacing:.06em;color:var(--ink)}
.brand-actions{display:flex;align-items:center;gap:10px}
.hamburger{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink);cursor:pointer;
}
.search-bar{display:flex;gap:10px;padding:12px 20px 16px}
.search-bar input{
  flex:1;height:46px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FFFDFA;padding:0 16px;font-size:15px;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.search-bar input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(36,28,43,.12)}

.header-nav{background:var(--paper-2);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:50px}
.nav-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;position:relative;padding:14px 0;font-size:15px;
  color:rgba(36,28,43,.7);border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .2s,border-color .2s;
}
.nav-link:hover{color:var(--ink);border-bottom-color:var(--crimson)}
.nav-link.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--crimson)}
.nav-updated{font-size:13px;color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.nav-updated time{font-family:var(--serif)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.2,1);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-list{flex:1;overflow-y:auto}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px}
.drawer-list a.is-active{color:var(--crimson);font-weight:600;box-shadow:inset 3px 0 0 var(--crimson)}
.drawer-cta{padding:16px 20px;border-top:1px solid var(--line)}
.drawer-cta .btn{width:100%}

/* ============ 分类头 ============ */
.cat-hero{
  position:relative;min-height:300px;display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:rgba(36,28,43,.66)}
.cat-hero-inner{position:relative;width:100%;padding:56px 0;color:var(--paper)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:rgba(247,243,238,.72);margin-bottom:20px}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:rgba(247,243,238,.4)}
.breadcrumb .current{color:var(--paper)}
.cat-hero h1{
  font-family:var(--serif);font-weight:600;line-height:1.22;letter-spacing:.01em;
  font-size:clamp(2rem,4.4vw,3.25rem);color:#FFFDFA;
}
.hero-lead{margin-top:14px;font-size:17px;color:rgba(247,243,238,.86);max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13px;letter-spacing:.06em;color:rgba(247,243,238,.7)}
.hero-meta time{font-family:var(--serif);color:var(--gold)}

/* ============ 指标条 ============ */
.metrics{background:var(--paper);border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:26px 20px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric-num{font-family:var(--serif);font-size:1.6rem;font-weight:600;color:var(--ink);line-height:1.2}
.metric-num em{font-style:normal;font-size:.85rem;color:var(--gold);margin-left:4px}
.metric-label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-top:6px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.h2{
  display:flex;align-items:center;gap:14px;
  font-family:var(--serif);font-weight:600;line-height:1.3;
  font-size:clamp(1.5rem,2.6vw,2rem);color:var(--ink);
}
.h2::before{content:"";display:block;width:3px;height:28px;background:var(--gold);flex:0 0 3px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;
  color:var(--gold);margin-bottom:12px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.section-note{font-size:14px;color:var(--muted);max-width:620px}

/* ============ 目录索引布局 ============ */
.cat-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){.cat-layout{grid-template-columns:270px 1fr;gap:56px}}
.side-col{position:relative}
@media (min-width:1024px){.side-col-inner{position:sticky;top:150px}}
.toc-box{border:1px solid var(--line);border-radius:var(--radius-card);background:#FFFDFA;padding:22px}
.toc-title{font-family:var(--serif);font-size:1rem;font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.toc-list{display:grid;gap:2px}
.toc-link{
  display:flex;align-items:center;gap:12px;padding:10px 10px 10px 12px;border-radius:var(--radius-btn);
  font-size:15px;color:rgba(36,28,43,.78);border-left:2px solid transparent;transition:background-color .2s,color .2s,border-color .2s;
}
.toc-link .toc-num{font-family:var(--serif);font-size:13px;color:var(--gold);letter-spacing:.06em}
.toc-link:hover{background:var(--paper-2);color:var(--ink)}
.toc-link.is-current{background:var(--paper-2);color:var(--ink);font-weight:600;border-left-color:var(--crimson)}
.side-note{margin-top:22px;padding:20px 22px;border:1px dashed var(--line);border-radius:var(--radius-card)}
.side-note h3{font-family:var(--serif);font-size:1rem;font-weight:600;margin-bottom:12px}
.side-note ul{display:grid;gap:10px}
.side-note li{position:relative;padding-left:16px;font-size:14px;color:var(--muted)}
.side-note li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--gold);border-radius:1px}

/* 行式条目列表 */
.group-block{margin-bottom:56px}
.group-block:last-child{margin-bottom:0}
.group-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:8px}
.group-head h2{
  font-family:var(--serif);font-size:1.4rem;font-weight:600;display:flex;align-items:center;gap:12px;color:var(--ink);
}
.group-head h2::before{content:"";width:3px;height:22px;background:var(--crimson);display:block;flex:0 0 3px}
.group-count{font-family:var(--serif);font-size:13px;color:var(--gold);letter-spacing:.06em}
.group-intro{font-size:15px;color:var(--muted);margin-bottom:18px}
.row-list{border-top:1px dashed var(--line)}
.row-item{
  display:grid;grid-template-columns:44px 1fr 24px;align-items:start;gap:16px;
  padding:20px 14px;border-bottom:1px dashed var(--line);
  transition:background-color .22s;
}
.row-item:hover{background:var(--paper-2)}
.row-index{font-family:var(--serif);font-size:1.05rem;color:var(--gold);letter-spacing:.06em;transition:color .22s}
.row-item:hover .row-index{color:var(--crimson)}
.row-title{
  font-family:var(--serif);font-size:1.14rem;font-weight:600;line-height:1.45;color:var(--ink);
  display:inline-block;position:relative;
}
.row-title::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--crimson);
  transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.row-item:hover .row-title::after{transform:scaleX(1)}
.row-desc{font-size:14px;color:var(--muted);margin-top:6px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{
  display:inline-flex;align-items:center;padding:3px 9px;border:1px solid var(--line);border-radius:999px;
  font-size:11px;letter-spacing:.06em;color:var(--muted);background:#FFFDFA;
}
.row-arrow{color:var(--gold);font-size:14px;padding-top:4px;transition:transform .24s,color .24s}
.row-item:hover .row-arrow{color:var(--crimson);transform:translateX(3px)}

/* ============ 路线速览 ============ */
.route-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.path-list{display:grid;grid-template-columns:1fr;gap:0;counter-reset:step}
@media (min-width:768px){.path-list{grid-template-columns:repeat(5,1fr)}}
.path-step{padding:22px 24px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
@media (min-width:768px){.path-step{border-top:0}.path-step:first-child{border-left:3px solid var(--gold)}}
.path-num{font-family:var(--serif);font-size:13px;letter-spacing:.1em;color:var(--gold)}
.path-step h3{font-family:var(--serif);font-size:1.1rem;font-weight:600;margin:10px 0 8px}
.path-step p{font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;background:none;border:0;cursor:pointer;
  padding:22px 4px;text-align:left;color:var(--ink);
}
.faq-num{font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.08em;flex:0 0 auto}
.faq-text{flex:1;font-family:var(--serif);font-size:1.14rem;font-weight:600;line-height:1.5}
.faq-icon{color:var(--muted);font-size:14px;transition:transform .26s,color .26s}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--crimson)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .26s ease,opacity .26s ease}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 44px 24px 44px;font-size:16px;color:var(--muted)}
.faq-q:focus-visible{outline:2px solid rgba(36,28,43,.3);outline-offset:-2px}

/* ============ 相关分类推荐 ============ */
.rel-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#FFFDFA;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s,border-color .28s;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(36,28,43,.2)}
.rel-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px var(--gold);opacity:.5}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-family:var(--serif);font-size:1.14rem;font-weight:600}
.rel-body p{font-size:14px;color:var(--muted)}
.rel-body .btn-text{margin-top:auto}
.rel-badge{
  position:absolute;top:12px;left:12px;z-index:2;padding:3px 10px;border-radius:999px;
  background:rgba(36,28,43,.82);color:var(--paper);font-size:11px;letter-spacing:.08em;
}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;background-color:var(--ink);color:var(--paper);
  background-image:url("/assets/images/backpic/back-3.png");background-size:cover;background-position:center;
  background-blend-mode:overlay;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(36,28,43,.84)}
.cta-inner{position:relative;padding:56px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-copy h2{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600;color:#FFFDFA}
.cta-copy p{margin-top:10px;font-size:15px;color:rgba(247,243,238,.74);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.cta-band .btn-secondary{border-color:rgba(247,243,238,.6);color:var(--paper)}
.cta-band .btn-secondary:hover{background:rgba(247,243,238,.14);border-color:var(--paper)}
.cta-band .icon-btn{background:transparent;border-color:rgba(247,243,238,.35);color:var(--paper)}
.cta-band .icon-btn:hover{border-color:var(--gold);color:var(--gold)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(247,243,238,.8);padding:64px 0 24px;font-size:15px;line-height:1.8}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.site-footer .brand-text{display:block;font-size:1.25rem;color:var(--paper);margin-bottom:14px;letter-spacing:.06em}
.footer-brand p{font-size:14px;color:rgba(247,243,238,.62);max-width:320px}
.footer-col h4{font-family:var(--serif);font-size:1rem;font-weight:600;color:var(--paper);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(247,243,238,.72);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-contact p{font-size:14px;color:rgba(247,243,238,.66);margin-bottom:8px}
.footer-social{display:flex;gap:10px;margin-top:14px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,243,238,.28);border-radius:var(--radius-btn);color:rgba(247,243,238,.8);
  transition:border-color .22s,color .22s;
}
.footer-social a:hover{border-color:var(--gold);color:var(--gold)}
.footer-acc-btn{
  display:none;width:100%;align-items:center;justify-content:space-between;
  background:none;border:0;color:var(--paper);font-family:var(--serif);font-size:1rem;font-weight:600;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);cursor:pointer;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(247,243,238,.6);letter-spacing:.04em;
}
.footer-disclaimer{margin-top:12px;font-size:13px;color:rgba(247,243,238,.46)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .brand-actions .icon-btn{display:none}
  .hamburger{display:inline-flex}
  .btn-sm.keep{display:none}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .section{padding:56px 0}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .brand-actions .btn-primary{display:none}
  .nav-updated{display:none}
  .row-item{grid-template-columns:34px 1fr 18px;gap:12px;padding:18px 8px}
  .row-desc{-webkit-line-clamp:2}
  .footer-acc-btn{display:flex}
  .footer-col h4{display:none}
  .footer-col ul{display:none;padding-bottom:12px}
  .footer-col.is-open ul{display:grid}
  .cta-inner{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (min-width:1280px){
  .container{max-width:1200px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#241C2B;--ink-2:#3B2E45;--paper:#F7F3EE;--paper-2:#EFE8E1;
  --line:rgba(36,28,43,.12);--crimson:#A62B3C;--crimson-d:#8E2233;
  --gold:#B99354;--muted:#6B6470;
  --radius-card:14px;--radius-btn:6px;--radius-img:10px;
  --shadow-1:0 1px 2px rgba(36,28,43,.06),0 12px 32px -18px rgba(36,28,43,.28);
  --shadow-2:0 2px 4px rgba(36,28,43,.08),0 20px 44px -20px rgba(36,28,43,.36);
  --sec-y:56px;
}
@media(min-width:768px){:root{--sec-y:72px}}
@media(min-width:1024px){:root{--sec-y:96px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.85;letter-spacing:.02em;overflow-x:hidden}
@media(min-width:1024px){body{font-size:17px}}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;font-weight:600;letter-spacing:.01em;line-height:1.3}
p{margin:0}
::selection{background:rgba(166,43,60,.16)}
:focus-visible{outline:2px solid rgba(36,28,43,.35);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px}
@media(min-width:768px){.container{padding:0 24px}}
.section{padding:var(--sec-y) 0}
.section-tight{padding:calc(var(--sec-y) * .72) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2rem);display:flex;align-items:center;gap:12px}
.h2-line{display:inline-block;width:28px;height:1px;background:var(--gold);flex:0 0 auto}
.sec-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.06em;color:var(--gold)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;letter-spacing:.04em;white-space:nowrap;transition:background-color .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease}
.btn-primary{background:var(--crimson);color:#FDF9F5}
.btn-primary:hover{background:var(--crimson-d)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary i{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(36,28,43,.08);border-color:var(--ink-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-btn{position:relative;display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink);padding-bottom:3px;transition:color .24s ease}
.link-btn::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.link-btn:hover{color:var(--crimson)}
.link-btn:hover::after{transform:scaleX(1)}
.link-btn i{font-size:12px;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.link-btn:hover i{transform:translateX(3px)}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#FFFDFB;color:var(--ink);transition:border-color .24s ease,color .24s ease,background-color .24s ease}
.icon-btn:hover{border-color:var(--crimson);color:var(--crimson)}
.icon-btn:active{transform:translateY(1px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--line);border-radius:999px;font-size:11px;letter-spacing:.08em;color:var(--muted);background:#FFFDFB;white-space:nowrap}
.tag-gold{border-color:rgba(185,147,84,.5);color:#8B6C34}
.tag-crimson{border-color:rgba(166,43,60,.4);color:var(--crimson)}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper)}
.brandbar{background:var(--paper);border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:10px;background:var(--ink);border:1px solid rgba(185,147,84,.45);color:var(--gold);font-family:"Noto Serif SC",Georgia,serif;font-size:18px;line-height:1}
.brand-name{font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;font-size:20px;font-weight:600;letter-spacing:.06em;color:var(--ink);white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:9px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#FFFDFB;color:var(--muted);transition:border-color .24s ease,box-shadow .24s ease}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(36,28,43,.12)}
.search-box input{width:160px;border:0;outline:none;background:transparent;font-size:14px;color:var(--ink);letter-spacing:.02em}
.search-box input::placeholder{color:var(--muted)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink);place-items:center;background:#FFFDFB}
.header-nav{border-bottom:1px solid var(--line);background:var(--paper-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:50px}
.nav-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{display:inline-block;padding:13px 0;font-size:15px;color:rgba(36,28,43,.72);border-bottom:1px solid transparent;white-space:nowrap;transition:color .24s ease,border-color .24s ease}
.nav-link:hover{color:var(--ink);border-bottom-color:var(--crimson)}
.nav-link.is-active{color:var(--ink);font-weight:600;border-bottom:2px solid var(--crimson)}
.nav-updated{font-size:13px;letter-spacing:.06em;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.mobile-drawer{display:none}

/* Hero */
.page-hero{position:relative;overflow:hidden;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:var(--paper)}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(36,28,43,.68)}
.page-hero .container{position:relative;z-index:1;padding-top:64px;padding-bottom:64px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.page-hero .eyebrow{color:var(--gold)}
.page-hero h1{margin-top:16px;font-size:clamp(1.9rem,4vw,3rem);line-height:1.24;color:#FCF8F4}
.page-hero .hero-lead{margin-top:14px;max-width:60ch;font-size:16px;line-height:1.9;color:rgba(252,248,244,.86)}
.hero-meta{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;letter-spacing:.06em;color:rgba(252,248,244,.7);font-variant-numeric:tabular-nums}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--gold);font-size:12px}

/* 面包屑 */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--paper)}
.crumb{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:13px;letter-spacing:.04em;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--crimson)}
.crumb .sep{color:rgba(36,28,43,.28)}
.crumb .current{color:var(--ink)}

/* 速览数据条 */
.stat-strip{display:grid;grid-template-columns:1fr;border:1px solid var(--line);border-radius:var(--radius-card);background:#FFFDFB;overflow:hidden}
@media(min-width:640px){.stat-strip{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-cell{padding:24px 22px;border-top:1px solid var(--line)}
.stat-strip .stat-cell:first-child{border-top:0}
@media(min-width:640px){
  .stat-cell{border-top:0;border-left:1px solid var(--line)}
  .stat-cell:nth-child(odd){border-left:0}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(min-width:1024px){
  .stat-cell:nth-child(odd){border-left:1px solid var(--line)}
  .stat-cell:first-child{border-left:0}
  .stat-cell:nth-child(n+3){border-top:0}
}
.stat-num{font-family:"Noto Serif SC",Georgia,serif;font-size:clamp(1.75rem,3vw,2.25rem);font-weight:600;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:.55em;color:var(--gold);margin-left:4px;letter-spacing:.04em}
.stat-label{margin-top:8px;font-size:13px;letter-spacing:.06em;color:var(--muted)}
.stat-note{margin-top:6px;font-size:13px;color:rgba(107,100,112,.9);line-height:1.7}

/* 图文对照 */
.zigzag{display:flex;flex-direction:column;gap:64px}
@media(min-width:1024px){.zigzag{gap:88px}}
.zigzag-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:768px){.zigzag-row{grid-template-columns:1fr 1fr;gap:44px}}
.zigzag-media{position:relative}
.zigzag-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);border:1px solid rgba(185,147,84,.35);transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.zigzag-media::after{content:"";position:absolute;left:12px;top:12px;right:-12px;bottom:-12px;border:1px solid rgba(185,147,84,.3);border-radius:var(--radius-img);z-index:-1;pointer-events:none}
.zigzag-row:hover .zigzag-media img{transform:scale(1.02)}
.zigzag-body h3{margin-top:14px;font-size:clamp(1.2rem,2vw,1.4rem);line-height:1.4}
.zigzag-body p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.9}
.zigzag-body .link-btn{margin-top:20px}
@media(min-width:768px){
  .zigzag-row.reverse .zigzag-media{order:2}
  .zigzag-row.reverse .zigzag-body{order:1}
}

/* 流程 */
.flow{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
@media(min-width:640px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-step{padding:24px 22px 26px;border-bottom:1px solid var(--line);border-left:1px solid var(--line);position:relative;transition:background-color .24s ease}
.flow-step:first-child{border-left:0}
@media(max-width:1023px){.flow-step{border-left:0}}
@media(min-width:640px) and (max-width:1023px){{}}
.flow-step:hover{background:var(--paper-2)}
.flow-num{font-family:"Noto Serif SC",Georgia,serif;font-size:14px;letter-spacing:.1em;color:var(--gold)}
.flow-step h3{margin-top:10px;font-size:1.15rem}
.flow-step p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* 深色信息面板 */
.dark-panel{position:relative;background:var(--ink);color:var(--paper);border-radius:var(--radius-card);padding:28px 24px;overflow:hidden}
@media(min-width:768px){.dark-panel{padding:40px 36px}}
.dark-panel::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.16}
.dark-panel > *{position:relative}
.dark-panel h2{color:#FCF8F4}
.dark-panel .sec-sub{color:rgba(252,248,244,.72)}
.dark-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:26px}
@media(min-width:768px){.dark-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.dark-card{border:1px solid rgba(252,248,244,.16);border-radius:var(--radius-img);padding:20px;background:rgba(252,248,244,.04);transition:border-color .24s ease,transform .24s ease}
.dark-card:hover{border-color:rgba(185,147,84,.6);transform:translateY(-3px)}
.dark-card h3{color:#FCF8F4;font-size:1.1rem}
.dark-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:rgba(252,248,244,.72)}
.dark-meta{margin-top:14px;font-size:13px;letter-spacing:.06em;color:var(--gold);font-variant-numeric:tabular-nums}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;min-height:64px;padding:16px 0;text-align:left;transition:color .24s ease}
.faq-idx{font-family:"Noto Serif SC",Georgia,serif;font-size:14px;letter-spacing:.08em;color:var(--gold);flex:0 0 auto;font-variant-numeric:tabular-nums}
.faq-q-text{flex:1 1 auto;font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;font-size:1.05rem;font-weight:600;line-height:1.5;transition:color .24s ease}
.faq-q:hover .faq-q-text{color:var(--crimson)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;color:var(--ink);font-size:14px;transition:transform .26s cubic-bezier(.2,.7,.2,1),color .26s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--crimson)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .26s ease,opacity .26s ease}
.faq-item.is-open .faq-a{max-height:340px;opacity:1}
.faq-a p{padding:0 0 22px 38px;font-size:15.5px;color:var(--muted);line-height:1.9}

/* 相关分类 */
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.rel-card{display:block;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;background:#FFFDFB;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease}
.rel-card:hover{border-color:rgba(166,43,60,.45);box-shadow:var(--shadow-2);transform:translateY(-4px)}
.rel-card .tag{margin-bottom:14px}
.rel-card h3{font-size:1.15rem}
.rel-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.rel-card .link-btn{margin-top:16px}
.rel-card.is-current{border-color:rgba(166,43,60,.5);background:linear-gradient(180deg,rgba(166,43,60,.04),rgba(166,43,60,0))}

/* CTA */
.cta-band{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;padding:48px 0}
@media(min-width:768px){.cta-band{padding:62px 0}}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.18}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:flex;flex-direction:column;gap:28px;align-items:flex-start}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}}
.cta-inner h2{color:#FCF8F4;font-size:clamp(1.4rem,2.4vw,1.85rem)}
.cta-inner p{margin-top:10px;max-width:56ch;color:rgba(252,248,244,.74);font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.cta-band .btn-ghost{border-color:rgba(252,248,244,.6);color:#FCF8F4}
.cta-band .btn-ghost:hover{background:rgba(252,248,244,.12);border-color:#FCF8F4}
.cta-band .icon-btn{background:rgba(252,248,244,.06);border-color:rgba(252,248,244,.24);color:#FCF8F4}
.cta-band .icon-btn:hover{background:rgba(252,248,244,.14);border-color:var(--crimson);color:#F6C7CE}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(252,248,244,.78);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:8px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}}
.footer-brand .brand-text{display:inline-block;font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;font-size:20px;font-weight:600;letter-spacing:.06em;color:#FCF8F4}
.footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(252,248,244,.66);max-width:34ch}
.footer-col{margin-top:22px}
@media(min-width:768px){.footer-col{margin-top:0}}
.footer-col h4{font-family:"Noto Serif SC",Georgia,serif;font-size:15px;color:#FCF8F4;letter-spacing:.06em;margin-bottom:14px}
.footer-acc-btn{display:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14.5px;color:rgba(252,248,244,.7);transition:color .24s ease,padding-left .24s ease}
.footer-col ul a:hover{color:#FCF8F4;padding-left:4px}
.footer-contact p{font-size:14.5px;line-height:1.85;color:rgba(252,248,244,.68);margin-bottom:10px}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(252,248,244,.22);border-radius:var(--radius-btn);color:rgba(252,248,244,.8);transition:border-color .24s ease,color .24s ease,background-color .24s ease}
.footer-social a:hover{border-color:var(--crimson);color:#F6C7CE;background:rgba(252,248,244,.06)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(252,248,244,.14);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;letter-spacing:.04em;color:rgba(252,248,244,.6);font-variant-numeric:tabular-nums}
.footer-disclaimer{margin-top:14px;font-size:12.5px;line-height:1.8;color:rgba(252,248,244,.44)}

/* 动效 */
body.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
body.js .reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  body.js .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

@media(max-width:767px){
  .search-box,.nav-updated{display:none}
  .menu-toggle{display:grid}
  .brand-name{font-size:18px}
  .brand-mark{width:34px;height:34px;font-size:16px}
  .mobile-drawer{display:block;position:fixed;left:0;right:0;top:72px;bottom:0;background:var(--paper);z-index:55;overflow-y:auto;padding-bottom:130px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .24s ease,transform .24s ease,visibility .24s ease}
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .mobile-drawer a.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 20px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
  .mobile-drawer a.drawer-link.is-active{color:var(--crimson);font-weight:600}
  .drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px;background:var(--paper-2);border-top:1px solid var(--line)}
  .footer-acc-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 0;font-family:"Noto Serif SC",Georgia,serif;font-size:15px;color:#FCF8F4;letter-spacing:.06em;border-bottom:1px solid rgba(252,248,244,.14)}
  .footer-col h4{display:none}
  .footer-col ul,.footer-col .footer-contact{display:none;padding:8px 0 4px}
  .footer-col.is-open ul,.footer-col.is-open .footer-contact{display:block}
  .footer-acc-btn i{transition:transform .24s ease;font-size:12px;color:rgba(252,248,244,.6)}
  .footer-col.is-open .footer-acc-btn i{transform:rotate(180deg)}
  .hero-meta{font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --ink:#241C2B;
  --ink-2:#3B2E45;
  --paper:#F7F3EE;
  --paper-2:#EFE8E1;
  --line:rgba(36,28,43,.12);
  --crimson:#A62B3C;
  --crimson-d:#8E2233;
  --gold:#B99354;
  --muted:#6B6470;
  --radius-card:14px;
  --radius-btn:6px;
  --radius-img:10px;
  --shadow-1:0 1px 2px rgba(36,28,43,.06),0 12px 32px -18px rgba(36,28,43,.28);
  --shadow-2:0 2px 4px rgba(36,28,43,.08),0 20px 44px -20px rgba(36,28,43,.36);
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::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:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;letter-spacing:.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid rgba(166,43,60,.55);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 品牌行 ============ */
.brand-bar{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  border:1px solid var(--gold);border-radius:8px;background:var(--paper-2);
  color:var(--crimson);font-family:var(--font-serif);font-size:19px;font-weight:600;
}
.brand-text{font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:.07em;color:var(--ink);white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;transition:border-color .2s,box-shadow .2s}
.search-box i{font-size:13px;color:var(--muted)}
.search-box input{border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--ink);font-family:var(--font-sans)}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(36,28,43,.12)}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);transition:border-color .24s,color .24s}
.icon-btn:hover{border-color:var(--crimson);color:var(--crimson)}
.menu-toggle{display:none;width:40px;height:40px;place-items:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink)}

/* ============ 频道行 ============ */
.channel-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:50px}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:14px 0;font-size:15px;color:rgba(36,28,43,.7);transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--crimson);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{height:2px;transform:scaleX(1)}
.nav-updated{font-size:13px;color:var(--muted);letter-spacing:.06em;font-variant-numeric:tabular-nums;white-space:nowrap}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:500;letter-spacing:.04em;
  transition:background-color .24s,color .24s,border-color .24s,transform .24s}
.btn i{transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.btn-primary{background:var(--crimson);color:#fff}
.btn-primary:hover{background:var(--crimson-d)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(36,28,43,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:transparent;border-color:rgba(247,243,238,.5);color:var(--paper)}
.btn-light:hover{background:rgba(247,243,238,.14);border-color:var(--paper)}
.btn-light:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 分类头 ============ */
.cat-hero{position:relative;padding:56px 0 46px;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:var(--paper);overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:rgba(36,28,43,.66)}
.cat-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(247,243,238,.07) 1px,transparent 1px);background-size:3px 3px}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:rgba(247,243,238,.72);margin-bottom:18px}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:rgba(247,243,238,.4)}
.crumb .current{color:var(--paper)}
.cat-title{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.22;letter-spacing:.01em;color:#fff}
.cat-lead{margin-top:14px;font-size:17px;line-height:1.8;color:rgba(247,243,238,.86);max-width:760px}
.cat-meta{margin-top:22px;padding-top:16px;border-top:1px solid rgba(247,243,238,.2);display:flex;flex-wrap:wrap;gap:28px;
  font-size:13px;letter-spacing:.06em;color:rgba(247,243,238,.76);font-variant-numeric:tabular-nums}
.cat-meta b{color:#fff;font-weight:600}

/* ============ 板块 ============ */
.section{padding:76px 0}
.section-tight{padding:52px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3}
.sec-title::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:26px;background:var(--gold);border-radius:2px}
.sec-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:680px;line-height:1.8}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--ink);
  border-bottom:1px solid transparent;transition:color .24s,border-color .24s}
.text-link:hover{color:var(--crimson);border-bottom-color:var(--crimson)}

/* ============ 标签条 ============ */
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tag-pill{display:inline-block;padding:7px 15px;font-size:13px;letter-spacing:.05em;border:1px solid var(--line);
  border-radius:999px;background:#fff;color:var(--ink);transition:all .22s}
.tag-pill.is-current{border-color:var(--crimson);color:var(--crimson);background:rgba(166,43,60,.07);font-weight:600}

/* ============ 卡片墙 ============ */
.wall-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wall-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s}
.wall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.wall-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.wall-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.wall-card:hover .wall-thumb img{transform:scale(1.03)}
.wall-thumb::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:rgba(36,28,43,.05);box-shadow:inset 0 0 0 1px rgba(185,147,84,.38)}
.wall-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:18px 20px 20px}
.wall-tag{align-self:flex-start;padding:4px 11px;font-size:12px;letter-spacing:.05em;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;background:var(--paper)}
.wall-title{font-size:17px;line-height:1.5;font-family:var(--font-serif);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wall-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);letter-spacing:.05em;font-variant-numeric:tabular-nums}
.wall-foot .arrow{color:var(--crimson);transition:transform .24s}
.wall-card:hover .wall-foot .arrow{transform:translateX(3px)}

/* ============ 深色信息面板 ============ */
.hud{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);border-radius:var(--radius-card);padding:44px}
.hud::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.14}
.hud > *{position:relative;z-index:2}
.hud-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px}
.hud-title{font-size:clamp(1.35rem,2.2vw,1.7rem);color:#fff;position:relative;padding-left:15px}
.hud-title::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:24px;background:var(--gold);border-radius:2px}
.hud-note{margin-top:12px;font-size:14.5px;color:rgba(247,243,238,.72);line-height:1.8}
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}
.metric{border:1px solid rgba(247,243,238,.16);border-radius:10px;padding:18px}
.metric span{display:block;font-size:13px;letter-spacing:.06em;color:rgba(247,243,238,.7)}
.metric strong{display:block;margin-top:6px;font-family:var(--font-serif);font-size:32px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.path{display:flex;flex-direction:column}
.path li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(247,243,238,.14)}
.path li:last-child{border-bottom:0}
.path .num{font-family:var(--font-serif);font-size:14px;color:var(--gold);min-width:28px;padding-top:3px}
.path h4{font-size:16px;color:#fff}
.path p{margin-top:4px;font-size:14px;line-height:1.75;color:rgba(247,243,238,.72)}

/* ============ 对比面板 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;background:#fff}
.compare-col.alt{background:var(--paper-2)}
.compare-col h3{font-size:19px;line-height:1.45}
.compare-col .tagline{display:inline-block;margin-bottom:14px;padding:4px 11px;font-size:12px;letter-spacing:.06em;
  color:var(--crimson);border:1px solid rgba(166,43,60,.35);border-radius:999px}
.compare-col p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}
.compare-list{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.compare-list li{display:flex;gap:10px;font-size:15px;line-height:1.75}
.compare-list li::before{content:"◆";font-size:9px;color:var(--crimson);line-height:2.4}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:20px 0;background:transparent;border:0;
  text-align:left;color:var(--ink);font-family:var(--font-serif);font-size:16.5px;font-weight:600;line-height:1.5}
.faq-q .idx{font-family:var(--font-serif);font-size:14px;color:var(--gold);font-variant-numeric:tabular-nums;min-width:24px}
.faq-q .q-text{flex:1}
.faq-icon{flex:none;width:20px;height:20px;display:grid;place-items:center;font-size:13px;color:var(--ink);
  transition:transform .26s ease,color .26s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--crimson)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .26s ease,opacity .26s ease}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 40px 22px 40px;font-size:15px;line-height:1.85;color:var(--muted);max-width:840px}

/* ============ 相关分类推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:flex;flex-direction:column;gap:12px;padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(36,28,43,.24)}
.rel-card .num{font-family:var(--font-serif);font-size:13px;color:var(--gold);letter-spacing:.1em}
.rel-card h3{font-size:18px;line-height:1.45}
.rel-card p{font-size:14px;line-height:1.75;color:var(--muted)}
.rel-link{margin-top:auto;font-size:14px;color:var(--ink);text-decoration:underline;
  text-decoration-color:rgba(36,28,43,.28);text-underline-offset:4px;transition:color .24s,text-decoration-color .24s}
.rel-card:hover .rel-link{color:var(--crimson);text-decoration-color:var(--crimson)}

/* ============ 通栏 CTA ============ */
.cta-band{position:relative;overflow:hidden;background-color:var(--ink);color:var(--paper);padding:56px 0;margin-top:76px}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.16}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-text h2{font-size:clamp(1.45rem,2.4vw,1.9rem);color:#fff;line-height:1.4}
.cta-text p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(247,243,238,.76);max-width:600px}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-icons{display:flex;gap:8px;margin-left:6px}
.cta-icons a{width:36px;height:36px;display:grid;place-items:center;border:1px solid rgba(247,243,238,.28);
  border-radius:6px;color:var(--paper);transition:all .22s}
.cta-icons a:hover{border-color:var(--crimson);background:rgba(166,43,60,.45);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(247,243,238,.78);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand .brand-text{display:block;color:#fff;font-size:20px;letter-spacing:.08em}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.85;max-width:320px;color:rgba(247,243,238,.7)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,243,238,.72);transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact p{font-size:14px;line-height:1.8;margin-bottom:10px}
.footer-social{display:flex;gap:10px;margin-top:14px}
.footer-social a{width:36px;height:36px;display:grid;place-items:center;border:1px solid rgba(247,243,238,.24);
  border-radius:6px;color:var(--paper);transition:all .22s}
.footer-social a:hover{border-color:var(--crimson);background:rgba(166,43,60,.3)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(247,243,238,.6)}
.footer-disclaimer{margin-top:12px;font-size:12.5px;line-height:1.75;color:rgba(247,243,238,.5)}
.footer-acc-btn{display:none;width:100%;align-items:center;justify-content:space-between;background:transparent;
  border:0;padding:8px 0;color:#fff;font-family:var(--font-serif);font-size:15px;font-weight:600}
.footer-acc-btn i{transition:transform .26s;color:rgba(247,243,238,.6)}

/* ============ 移动抽屉 ============ */
.mobile-drawer{position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;padding:20px;
  background:var(--paper);transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head .brand-text{font-size:18px}
.drawer-close{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;color:var(--ink)}
.drawer-list{margin-top:8px}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;height:54px;font-size:16px;color:var(--ink)}
.drawer-list a.is-active{font-weight:600;color:var(--crimson)}
.drawer-list a i{font-size:12px;color:var(--muted)}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-foot .drawer-note{font-size:13px;color:var(--muted);letter-spacing:.05em}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition-duration:.001ms!important}
}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .hud-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
}
@media(max-width:900px){
  .wall-grid{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .container{padding:0 16px}
  .brand-inner{height:64px}
  .search-box,.brand-actions .icon-btn,.brand-actions .btn-primary{display:none}
  .menu-toggle{display:grid}
  .channel-inner{min-height:46px}
  .nav-list{flex-wrap:nowrap;overflow-x:auto;gap:22px;scrollbar-width:none;-ms-overflow-style:none}
  .nav-list::-webkit-scrollbar{display:none}
  .nav-link{white-space:nowrap;padding:12px 0;font-size:14.5px}
  .nav-updated{display:none}
  .cat-hero{padding:36px 0 32px}
  .cat-lead{font-size:15.5px}
  .cat-meta{gap:16px;font-size:12.5px}
  .section{padding:56px 0}
  .section-tight{padding:40px 0}
  .hud{padding:28px}
  .metrics{grid-template-columns:1fr 1fr;gap:12px}
  .metric strong{font-size:26px}
  .faq-a p{padding:0 0 20px 40px}
  .cta-band{padding:44px 0;margin-top:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-brand{padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.14)}
  .footer-col{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14)}
  .footer-col h4{display:none}
  .footer-acc-btn{display:flex}
  .footer-col ul{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .footer-col.is-open ul{max-height:340px;padding-top:10px}
  .footer-col.is-open .footer-acc-btn i{transform:rotate(180deg)}
  .footer-bottom{margin-top:26px}
}
@media(max-width:640px){
  .wall-grid{grid-template-columns:1fr}
  .brand-text{font-size:18px}
  .cat-title{font-size:clamp(1.7rem,7vw,2.2rem)}
  .metrics{grid-template-columns:1fr 1fr}
  .compare-col{padding:24px}
}