/* roulang page: index */
:root{
  --primary:#A94E23;
  --primary-dark:#8C3E1A;
  --primary-soft:#F6E9DF;
  --green:#21463A;
  --green-soft:#E6EDE9;
  --brick:#9B3A2E;
  --bg:#FAF5EE;
  --card:#FFFFFF;
  --alt:#F3EADF;
  --ink:#241E1A;
  --ink-2:#6E635B;
  --ink-3:#9C9089;
  --line:#E8DCCC;
  --border:#DCCDB9;
  --r-card:14px;
  --r-img:12px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(36,30,26,.06),0 8px 24px rgba(36,30,26,.06);
  --shadow-2:0 2px 4px rgba(169,78,35,.12),0 12px 28px rgba(169,78,35,.12);
  --sidebar-w:236px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
.site-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;}
.site-body a{color:var(--primary);text-decoration:none;}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none;}
.site-body button{font-family:inherit;cursor:pointer;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;}
.site-body a:focus-visible,
.site-body button:focus-visible,
.site-body summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  background:#fff;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:26px 16px 18px;
  z-index:80;
  transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 22px;}
.brand-arch{
  width:26px;height:30px;
  border:2px solid var(--primary);
  border-bottom:none;
  border-radius:14px 14px 0 0;
  position:relative;
  flex:0 0 auto;
}
.brand-arch::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:2px;height:11px;background:var(--primary);opacity:.45;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.02em;}

.nav{display:flex;flex-direction:column;gap:6px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;
  border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.nav-item svg{width:17px;height:17px;flex:0 0 auto;opacity:.75;}
.nav-item:hover{background:#FBF6EF;color:var(--ink);}
.nav-item.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;
  width:3px;border-radius:3px;background:var(--primary);
}
.nav-item.is-active svg{opacity:1;}
.nav-item:active{transform:translateY(1px);}

.sidebar-spacer{flex:1 1 auto;min-height:24px;}
.side-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:14px 12px;
  margin-bottom:14px;
}
.side-card p{font-size:12.5px;line-height:1.7;color:var(--ink-2);margin-bottom:10px;}
.side-foot{font-size:11.5px;color:var(--ink-3);line-height:1.6;padding:0 4px;}
.sidebar-close{
  display:none;position:absolute;top:14px;right:12px;
  width:32px;height:32px;border:none;background:transparent;
  color:var(--ink-2);font-size:20px;line-height:1;border-radius:8px;
}
.sidebar-close:hover{background:var(--alt);}
.overlay{
  position:fixed;inset:0;background:rgba(36,30,26,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:70;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 14px;z-index:65;gap:10px;
}
.mobile-brand{font-size:15px;font-weight:700;color:var(--ink);}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);transition:background .18s ease;
}
.icon-btn:hover{background:var(--alt);}
.icon-btn svg{width:18px;height:18px;}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
.section{padding:76px 0;}
.section-alt{background:var(--alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:30px;
}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:.01em;}
.section-head .sec-desc{font-size:14px;color:var(--ink-2);margin-top:6px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;
}
.text-link .arrow{transition:transform .2s ease;display:inline-block;}
.text-link:hover .arrow{transform:translateX(4px);}
.text-link:hover{color:var(--primary-dark);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .16s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#FFF8F2;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(36,30,26,.22);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);}
.btn-ghost:active{transform:translateY(1px);box-shadow:inset 0 2px 6px rgba(169,78,35,.14);}
.btn-light{background:#FFF8F2;color:var(--green);}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.18);}
.btn-light:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.7;
}
.badge-primary{background:var(--primary-soft);color:var(--primary);}
.badge-green{background:var(--green-soft);color:var(--green);}
.badge-muted{background:#EDE6DC;color:var(--ink-2);}
.badge-brick{background:#F5E4E1;color:var(--brick);}

/* ---------- Hero ---------- */
.hero{padding:44px 0 0;}
.hero-inner{
  display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;
  padding-bottom:88px;
}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-soft);
  padding:4px 12px;border-radius:999px;margin-bottom:18px;
}
.hero-title{font-size:42px;line-height:1.25;font-weight:700;letter-spacing:-.01em;max-width:560px;}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-2);margin-top:16px;max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-1);background:var(--alt);
}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(169,78,35,.16);pointer-events:none;
}
.hero-visual::before{
  content:"";position:absolute;right:-22px;top:-22px;
  width:132px;height:132px;
  border:2px solid rgba(169,78,35,.26);
  border-bottom-color:transparent;border-left-color:transparent;
  border-radius:70px 70px 0 0;
  pointer-events:none;
}
.hero-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(250,245,238,.94);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(169,78,35,.18);
}

/* ---------- 目录 ---------- */
.toc{border-top:1px solid var(--line);}
.toc-row{
  display:grid;grid-template-columns:64px 1fr auto 24px;
  align-items:center;gap:20px;
  padding:20px 14px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
  border-radius:10px;
}
.toc-row:hover{background:#FBF6EF;}
.toc-num{
  font-size:22px;font-weight:700;color:var(--primary);opacity:.42;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.toc-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.toc-body p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-top:4px;}
.toc-row .arrow{color:var(--primary);font-size:17px;transition:transform .2s ease;}
.toc-row:hover .arrow{transform:translateX(4px);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);border-color:var(--border);box-shadow:var(--shadow-1);}
.card-img{overflow:hidden;border-radius:var(--r-img);background:var(--alt);margin-bottom:16px;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-img img{transform:scale(1.03);}
.card h3{font-size:19px;font-weight:600;line-height:1.5;margin:10px 0 8px;}
.card h3 a{color:var(--ink);}
.card h3 a:hover{color:var(--primary);}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:12.5px;color:var(--ink-3);}
.card-meta .arrow{color:var(--primary);transition:transform .2s ease;}
.card:hover .card-meta .arrow{transform:translateX(4px);}

.featured{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;}
.card-lg .card-img img{aspect-ratio:16/10;}
.card-lg h3{font-size:22px;}
.featured-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-row{
  display:grid;grid-template-columns:150px 1fr;gap:16px;
  align-items:start;padding:16px;
}
.card-row .card-img{margin-bottom:0;height:100%;min-height:104px;}
.card-row .card-img img{aspect-ratio:4/3;height:100%;}
.card-row h3{font-size:17px;margin-top:0;}
.card-row p{font-size:13.5px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.grid-3 .card-img img{aspect-ratio:16/10;}

/* ---------- 最新信息 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:grid;grid-template-columns:104px 1fr 28px;gap:22px;align-items:center;
  min-height:92px;padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background .2s ease;border-radius:10px;
}
.news-row:hover{background:#FBF6EF;}
.news-date{
  background:var(--primary-soft);border-radius:10px;
  padding:10px 8px;text-align:center;
  font-size:12.5px;font-weight:600;color:var(--primary);line-height:1.5;
  letter-spacing:.02em;
}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.news-body h3 a{color:var(--ink);}
.news-body h3 a:hover{color:var(--primary);}
.news-desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body .badge{margin-top:10px;}
.news-arrow{color:var(--primary);font-size:17px;text-align:center;transition:transform .2s ease;}
.news-row:hover .news-arrow{transform:translateX(4px);}
.empty-state{
  min-height:140px;border:1px dashed var(--border);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:24px;background:#fff;
}
.empty-state .empty-icon{
  width:34px;height:34px;border-radius:50%;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;
}
.empty-state p{font-size:14px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-size:13px;font-weight:700;color:var(--primary);opacity:.6;
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.faq-q{flex:1;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:6px;width:14px;height:2px;}
.faq-icon::after{left:6px;top:0;width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{padding:0 20px 20px 50px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-2px);border-color:var(--border);box-shadow:var(--shadow-1);}
.rec-card .rec-img{width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--alt);}
.rec-card .rec-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-img img{transform:scale(1.04);}
.rec-card h3{font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card:hover h3{color:var(--primary);}
.rec-card .badge{margin-top:8px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--green);border-radius:20px;
  padding:48px;color:#E9E2D6;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:28px;line-height:1.3;font-weight:700;color:#FFF8F2;}
.cta-band p{font-size:15px;line-height:1.8;margin-top:10px;max-width:520px;color:#D8D0C2;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-circle{
  width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;
  color:#E9E2D6;font-size:14px;transition:background .2s ease,border-color .2s ease,transform .16s ease;
}
.cta-circle:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);}
.cta-circle:active{transform:translateY(1px);}
.cta-note{font-size:12px;color:#B9B0A1;margin-top:22px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:#E9E2D6;margin-top:88px;padding:56px 0 22px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-logo{font-size:18px;font-weight:700;color:#FFF8F2;letter-spacing:.01em;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#C6BDAD;margin-top:10px;max-width:240px;}
.footer-col h4{font-size:14px;font-weight:600;color:#FFF8F2;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:13.5px;color:#C6BDAD;transition:color .2s ease;}
.footer-col a:hover{color:#F0C9A8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:40px;padding-top:18px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#A9A092;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .hero-title{font-size:38px;}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);box-shadow:0 0 40px rgba(36,30,26,.18);}
  .sidebar.is-open{transform:translateX(0);}
  .sidebar-close{display:block;}
  .main{margin-left:0;padding-top:56px;}
  .mobile-bar{display:flex;}
  .hero{padding-top:28px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-bottom:56px;}
  .hero-title{font-size:32px;max-width:none;}
  .hero-sub{font-size:16.5px;}
  .section{padding:56px 0;}
  .featured{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .rec-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:38px 28px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:46px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:22px;}
  .section-head h2{font-size:23px;}
  .hero-title{font-size:29px;line-height:1.3;}
  .hero-frame img{aspect-ratio:16/10;border-radius:16px;}
  .hero-visual::before{display:none;}
  .hero-actions .btn{flex:1 1 auto;}
  .toc{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:none;}
  .toc-row{
    grid-template-columns:1fr;gap:8px;padding:16px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
  }
  .toc-row .badge,.toc-row .arrow{display:none;}
  .toc-body h3{font-size:16px;}
  .toc-body p{font-size:13px;}
  .toc-num{font-size:17px;opacity:.5;}
  .grid-3{grid-template-columns:1fr;}
  .card-row{grid-template-columns:110px 1fr;}
  .news-row{grid-template-columns:84px 1fr;gap:14px;min-height:auto;padding:16px 8px;}
  .news-arrow{display:none;}
  .news-body h3{font-size:16px;}
  .news-desc{-webkit-line-clamp:2;}
  .faq-a{padding-left:20px;}
  .faq-q{font-size:15.5px;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{margin-top:56px;padding:40px 0 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .toc{grid-template-columns:1fr;}
  .card-row{grid-template-columns:1fr;}
  .card-row .card-img{min-height:0;height:auto;}
  .card-row .card-img img{aspect-ratio:16/10;height:auto;}
  .news-row{grid-template-columns:1fr;}
  .news-date{display:inline-block;padding:5px 12px;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-actions .cta-circle{width:100%;border-radius:10px;height:38px;}
}

/* roulang page: category1 */
:root{
  --ink:#241E1A;
  --ink-2:#6E635B;
  --ink-3:#9C9089;
  --primary:#A94E23;
  --primary-dark:#8C3E1A;
  --primary-soft:#F6E9DF;
  --green:#21463A;
  --green-soft:#E6EDE9;
  --brick:#9B3A2E;
  --bg:#FAF5EE;
  --card:#FFFFFF;
  --alt:#F3EADF;
  --line:#E8DCCC;
  --border:#DCCDB9;
  --soft-hover:#FBF6EF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(36,30,26,.06),0 8px 24px rgba(36,30,26,.06);
  --shadow-2:0 2px 6px rgba(169,78,35,.12),0 14px 30px rgba(169,78,35,.12);
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;
  width:var(--sidebar-w);height:100vh;
  background:var(--card);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;
  overflow-y:auto;
  z-index:70;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 22px;border-bottom:1px solid var(--line);}
.brand-mark{
  position:relative;
  width:34px;height:34px;flex:0 0 34px;
  border:2px solid var(--primary);
  border-radius:17px 17px 5px 5px;
  background:var(--primary-soft);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:12px;height:15px;background:var(--primary);
  border-radius:6px 6px 2px 2px;
}
.brand-name{display:block;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;line-height:1.3;}
.brand-sub{display:block;font-size:13px;color:var(--ink-3);line-height:1.4;margin-top:2px;}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:20px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;
  border-radius:10px;
  font-size:15px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;}
.nav-item:hover{background:var(--soft-hover);color:var(--ink);}
.nav-item:active{transform:translateY(1px);}
.nav-item.is-active{
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:600;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--primary);
}
.sidebar-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:14px;}
.side-card{
  background:var(--alt);
  border-radius:var(--r-card);
  padding:14px 14px 16px;
}
.side-card p{font-size:13px;line-height:1.7;color:var(--ink-2);margin-bottom:12px;}
.side-copy{font-size:12px;color:var(--ink-3);padding:0 4px;}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#FFF8F2;}
.btn-primary:hover{background:var(--primary-dark);color:#FFF8F2;transform:translateY(-1px);box-shadow:0 10px 22px rgba(169,78,35,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(169,78,35,.14);}
.btn-light{background:#FFF8F2;color:var(--green);}
.btn-light:hover{background:#FFFFFF;color:var(--green);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.18);}
.btn-light:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.14);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:500;
  background:var(--primary-soft);color:var(--primary);
  white-space:nowrap;
}
.badge-green{background:var(--green-soft);color:var(--green);}
.badge-muted{background:#EDE6DC;color:var(--ink-2);}

/* ---------- 布局 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{display:none;}
.scrim{
  position:fixed;inset:0;background:rgba(36,30,26,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:65;
}
.scrim.is-open{opacity:1;visibility:visible;}
.sidebar-close{
  display:none;position:absolute;top:14px;right:14px;
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:18px;line-height:1;cursor:pointer;
}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  min-height:240px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(250,245,238,.94) 0%,rgba(250,245,238,.72) 52%,rgba(243,234,223,.6) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero-inner{padding:44px 0 40px;max-width:760px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C9BBAC;}
.breadcrumb .current{color:var(--ink-3);}
.page-hero h1{
  font-size:42px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);
}
.page-hero .hero-sub{
  margin-top:14px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}

/* ---------- 板块 ---------- */
.section{padding:64px 0;}
.section-tight{padding:44px 0 64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 目录 + 附栏 ---------- */
.layout-split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.toc-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.toc-row{
  display:flex;align-items:center;gap:20px;
  min-height:76px;padding:16px 22px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  transition:background .2s ease;
}
.toc-row:last-child{border-bottom:0;}
.toc-row:hover{background:var(--soft-hover);color:var(--ink);}
.toc-row:hover .toc-arrow{transform:translateX(4px);color:var(--primary);}
.toc-num{
  font-size:22px;font-weight:700;letter-spacing:.02em;
  color:rgba(169,78,35,.28);flex:0 0 44px;
}
.toc-body{min-width:0;flex:1;}
.toc-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:2px;}
.toc-body p{font-size:14px;line-height:1.7;color:var(--ink-2);}
.toc-meta{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.toc-arrow{color:var(--ink-3);transition:transform .2s ease,color .2s ease;}

.aside-card{
  background:var(--green-soft);
  border-radius:var(--r-card);
  padding:24px;
  position:sticky;top:24px;
}
.aside-card h3{font-size:18px;font-weight:700;color:var(--green);display:flex;align-items:center;gap:8px;}
.aside-card h3 span.dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block;}
.aside-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.aside-list li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:#2C4F42;
}
.aside-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--green);
}
.aside-note{
  margin-top:20px;padding-top:16px;border-top:1px solid rgba(33,70,58,.16);
  font-size:13px;line-height:1.7;color:#3A5A4D;
}

/* ---------- 精选卡 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.pick-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--border);}
.pick-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--alt);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.pick-card:hover .pick-thumb img{transform:scale(1.03);}
.pick-thumb .badge{position:absolute;left:14px;top:14px;background:#FFF8F2;color:var(--primary);box-shadow:0 2px 8px rgba(36,30,26,.12);}
.pick-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pick-body h3{font-size:18px;line-height:1.5;font-weight:600;}
.pick-body p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.pick-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);padding-top:6px;}

/* ---------- 相关分类互链 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-1);
  color:var(--ink);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--border);color:var(--ink);}
.rel-thumb{width:120px;height:90px;flex:0 0 120px;border-radius:var(--r-img);overflow:hidden;background:var(--alt);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.rel-body p{font-size:13px;line-height:1.7;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--border);box-shadow:var(--shadow-1);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-no{color:var(--primary);font-size:15px;font-weight:700;flex:0 0 auto;line-height:1.7;}
.faq-mark{margin-left:auto;flex:0 0 auto;color:var(--ink-3);transition:transform .25s ease;line-height:1.7;}
.faq-item[open] .faq-mark{transform:rotate(45deg);color:var(--primary);}
.faq-answer{padding:0 22px 22px 56px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--green);
  border-radius:20px;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#E9E2D6;
}
.cta-band h2{font-size:28px;line-height:1.3;color:#FFFFFF;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.75;color:#CDDCD4;max-width:460px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#F4F0E8;cursor:pointer;
  transition:background .2s ease,transform .15s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.cta-note{font-size:12px;color:#9FB6A9;margin-top:22px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:#E9E2D6;margin-top:72px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding:56px 0 40px;
}
.footer-logo{display:block;font-size:18px;font-weight:700;color:#FFFFFF;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#C4D4CB;max-width:280px;}
.footer-col h4{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a,.footer-col li span{font-size:14px;color:#C4D4CB;line-height:1.7;}
.footer-col li a:hover{color:#F0C9A8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#A9BDB2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .28s ease;
    width:82%;max-width:320px;
    padding-top:52px;
    box-shadow:0 0 40px rgba(36,30,26,.2);
  }
  .sidebar.is-open{transform:translateX(0);}
  .sidebar-close{display:block;}
  .main{margin-left:0;padding-top:56px;}
  .mobile-bar{
    position:fixed;top:0;left:0;right:0;height:56px;
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;padding:0 16px;
    background:#FFFFFF;border-bottom:1px solid var(--line);z-index:64;
  }
  .mobile-bar .bar-title{font-size:16px;font-weight:700;color:var(--ink);}
  .hamburger{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
  .layout-split{grid-template-columns:minmax(0,1fr);}
  .aside-card{position:static;}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-hero h1{font-size:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .page-hero{min-height:200px;}
  .page-hero-inner{padding:32px 0 30px;}
  .page-hero h1{font-size:29px;}
  .page-hero .hero-sub{font-size:15px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:23px;}
  .toc-row{flex-wrap:wrap;gap:10px;padding:14px 18px;min-height:0;}
  .toc-body{flex:1 1 100%;order:2;}
  .toc-num{flex:0 0 auto;font-size:18px;order:1;}
  .toc-meta{order:3;width:100%;justify-content:space-between;}
  .pick-grid{grid-template-columns:minmax(0,1fr);}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .rel-card{flex-direction:column;align-items:flex-start;}
  .rel-thumb{width:100%;height:150px;flex:0 0 auto;}
  .faq-answer{padding-left:22px;}
  .faq-item summary{font-size:16px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions .icon-btn{width:40px;height:40px;}
  .hero-tags{width:100%;}
  .page-hero h1{font-size:26px;}
}

/* roulang page: article */
:root{
  --brand:#A94E23;
  --brand-dark:#8C3E1A;
  --brand-soft:#F6E9DF;
  --green:#21463A;
  --green-soft:#E6EDE9;
  --brick:#9B3A2E;
  --bg:#FAF5EE;
  --bg-alt:#F3EADF;
  --card:#FFFFFF;
  --text:#241E1A;
  --text-2:#6E635B;
  --text-3:#9C9089;
  --line:#E8DCCC;
  --border:#DCCDB9;
  --r-card:14px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 1px 2px rgba(36,30,26,.06),0 8px 24px rgba(36,30,26,.06);
  --shadow-hover:0 2px 6px rgba(169,78,35,.12),0 12px 28px rgba(169,78,35,.12);
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
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,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- 左侧导航 ---------- */
.mobile-bar{display:none}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--card);border-right:1px solid var(--line);
  padding:24px 18px 20px;display:flex;flex-direction:column;
  overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 4px 0}
.brand-mark{
  position:relative;flex:0 0 32px;width:32px;height:36px;
  border:2px solid var(--brand);border-radius:16px 16px 3px 3px;background:#fff;
}
.brand-mark::before{
  content:'';position:absolute;left:6px;right:6px;top:7px;bottom:0;
  border:1.5px solid var(--brand);border-bottom:0;border-radius:9px 9px 0 0;opacity:.5;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.brand-text span{font-size:12px;color:var(--text-3);margin-top:3px}
.nav{margin-top:26px;display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:background .18s ease,color .18s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px}
.nav-item:hover{background:#FBF6EF;color:var(--text)}
.nav-item.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-item.is-active::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--brand);
}
.nav-item:active{background:var(--brand-soft);transform:translateY(1px)}
.side-spacer{flex:1 1 auto;min-height:28px}
.side-card{
  background:var(--brand-soft);border-radius:12px;padding:14px;
  font-size:13px;line-height:1.7;color:#7A4B2F;
}
.side-card p{margin-bottom:12px}
.side-copy{font-size:12px;color:var(--text-3);margin-top:16px;line-height:1.6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#FFF8F2;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(36,30,26,.22)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:10px;width:100%}
.btn-xs{padding:8px 14px;font-size:13px;border-radius:9px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;line-height:1.5;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge-green{background:var(--green-soft);color:var(--green)}
.badge-muted{background:#EDE6DC;color:var(--text-2)}

/* ---------- 主体布局 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;padding:36px 0 0}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);line-height:1.6;
}
.crumbs a{color:var(--text-3);transition:color .18s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C9BBAC}
.crumbs .current{
  color:var(--text-3);max-width:340px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.article-head{margin-top:18px}
.article-head h1{
  font-size:clamp(28px,3vw,36px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;margin-top:14px;max-width:900px;
}
.lede{
  margin-top:14px;max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:18px;font-size:13px;color:var(--text-3);
}
.meta-left{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.meta-left span{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9BBAC;display:inline-block}
.share-group{display:flex;gap:8px}
.icon-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:var(--card);color:var(--text-2);display:grid;place-items:center;
  transition:all .18s ease;
}
.icon-btn svg{width:16px;height:16px}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.icon-btn:active{transform:translateY(1px)}
.cover-wrap{
  margin-top:22px;border-radius:16px;overflow:hidden;
  aspect-ratio:16/9;background:var(--bg-alt);border:1px solid var(--line);
}
.cover-wrap img{width:100%;height:100%;object-fit:cover}
.divider{height:1px;background:var(--line);margin-top:28px}

/* ---------- 文章主体 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;margin-top:32px;
}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:#2C2521;min-width:0;
}
.article-body > * + *{margin-top:1.05em}
.article-body h2{
  font-size:24px;line-height:1.4;font-weight:700;color:var(--text);
  margin:2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand);
  scroll-margin-top:24px;
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;color:var(--text);margin:1.6em 0 .6em;
  scroll-margin-top:24px;
}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.1em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body blockquote{
  margin:1.4em 0;padding:20px;border-left:4px solid var(--brand);
  background:var(--bg);border-radius:0 12px 12px 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:'';position:absolute;left:2px;top:.72em;width:6px;height:6px;
  background:var(--brand);border-radius:1px;
}
.article-body ol{counter-reset:lst}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.6em;counter-increment:lst}
.article-body ol li::before{
  content:counter(lst) '.';position:absolute;left:0;top:0;
  color:var(--brand);font-weight:700;font-size:15px;
}
.article-body img{
  border-radius:var(--r-img);margin:1.6em auto;height:auto;
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;
  border:1px solid var(--line);
}
.article-body th,.article-body td{padding:10px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:var(--bg-alt);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FBF6EF}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

/* ---------- 目录 ---------- */
.toc{display:none}
.toc-title{
  font-size:12px;letter-spacing:.1em;color:var(--text-3);font-weight:600;margin-bottom:12px;
}
.toc ol{border-left:1px solid var(--line)}
.toc a{
  display:block;padding:8px 0 8px 14px;margin-left:-1px;
  font-size:14px;line-height:1.6;color:var(--text-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.toc a:hover{color:var(--text);background:#FBF6EF}
.toc a.is-current{
  color:var(--brand);border-left-color:var(--brand);font-weight:600;background:var(--brand-soft);
}

/* ---------- 文末互动 ---------- */
.article-foot{
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  max-width:1032px;
}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;padding:6px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;letter-spacing:.02em;
  transition:all .18s ease;
}
.tag:hover{background:#EFDCCD;color:var(--brand-dark)}
.actions{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px;max-width:1032px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px;font-weight:700;line-height:1.35}
.text-link{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link svg{width:14px;height:14px;transition:transform .18s ease}
.text-link:hover svg{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:all .22s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--border);box-shadow:var(--shadow-hover)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:16px 18px 20px}
.rel-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body time{display:block;margin-top:10px;font-size:12px;color:var(--text-3)}

/* ---------- 空态 ---------- */
.empty-state{
  border:1.5px dashed var(--border);border-radius:var(--r-card);
  background:#FDFAF5;padding:44px 24px;text-align:center;color:var(--text-2);
}
.empty-state-title{font-size:19px;font-weight:600;color:var(--text);margin-bottom:6px}
.empty-state p{font-size:14px;margin-bottom:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:#E9E2D6;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-logo{display:block;font-size:18px;font-weight:700;color:#F7F2E8;margin-bottom:10px;letter-spacing:.01em}
.footer-brand p{font-size:14px;line-height:1.8;color:#C3CFC8;max-width:260px}
.footer-col h4{font-size:14px;font-weight:600;color:#F7F2E8;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a,.footer-col span{color:#C3CFC8;line-height:1.7;transition:color .18s ease}
.footer-col a:hover{color:#F0C9A8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#A9B7B0;
}
.overlay{
  position:fixed;inset:0;background:rgba(36,30,26,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:55;
}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px;gap:56px;align-items:start}
  .toc{display:block;position:sticky;top:36px}
}
@media (max-width:1023px){
  .sidebar{
    width:82%;max-width:320px;transform:translateX(-100%);
    transition:transform .28s ease;box-shadow:0 0 40px rgba(36,30,26,.18);
  }
  .sidebar.is-open{transform:translateX(0)}
  .main{margin-left:0;padding-top:72px}
  .mobile-bar{
    position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:0 16px;background:var(--card);border-bottom:1px solid var(--line);
  }
  .mobile-btn{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--text);display:grid;place-items:center;
  }
  .mobile-btn svg{width:18px;height:18px}
  .mobile-btn:active{transform:translateY(1px);background:var(--brand-soft)}
  .mobile-brand{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.01em}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .main{padding-top:68px}
  .article-head h1{font-size:28px;line-height:1.32}
  .lede{-webkit-line-clamp:4}
  .meta-row{gap:10px}
  .meta-left{gap:12px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .cover-wrap{border-radius:12px}
  .related-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .actions{width:100%;flex-direction:column}
  .actions .btn{width:100%}
  .crumbs .current{max-width:180px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:8px 10px}
}

/* roulang page: category2 */
:root{
    --primary:#A94E23;
    --primary-dark:#8C3E1A;
    --primary-light:#F6E9DF;
    --green:#21463A;
    --green-light:#E6EDE9;
    --brick:#9B3A2E;
    --bg:#FAF5EE;
    --card:#FFFFFF;
    --alt:#F3EADF;
    --text:#241E1A;
    --text-2:#6E635B;
    --text-3:#9C9089;
    --line:#E8DCCC;
    --border:#DCCDB9;
    --radius-card:14px;
    --radius-img:12px;
    --radius-btn:12px;
    --shadow-1:0 1px 2px rgba(36,30,26,.06),0 8px 24px rgba(36,30,26,.06);
    --shadow-2:0 2px 4px rgba(169,78,35,.12),0 10px 28px rgba(169,78,35,.12);
    --sidebar:236px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button{font-family:inherit;cursor:pointer}
  h1,h2,h3,h4,p{margin:0}
  ul{list-style:none;margin:0;padding:0}

  /* ============ 侧栏导航 ============ */
  .sidebar{
    position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;
    background:#FFFFFF;border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:24px 18px 18px;
    z-index:90;
  }
  .brand{display:flex;align-items:center;gap:12px;padding:4px 6px 0}
  .brand-mark{
    position:relative;flex:0 0 32px;width:32px;height:38px;
    border:2px solid var(--primary);border-bottom-width:3px;
    border-radius:16px 16px 4px 4px;
  }
  .brand-mark::after{
    content:"";position:absolute;left:8px;right:8px;top:9px;bottom:4px;
    border:1.5px solid var(--primary);border-radius:8px 8px 2px 2px;opacity:.5;
  }
  .brand-name{display:block;font-size:16px;font-weight:700;letter-spacing:.01em;line-height:1.3}
  .brand-sub{display:block;font-size:13px;color:var(--text-3);line-height:1.5;margin-top:2px}

  .nav{display:flex;flex-direction:column;gap:8px;margin-top:26px}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:12px;
    height:44px;padding:0 12px;border-radius:10px;
    font-size:15px;color:var(--text-2);
    transition:background .2s ease,color .2s ease;
  }
  .nav-item svg{width:18px;height:18px;flex:0 0 18px}
  .nav-item:hover{background:#FBF6EF;color:var(--text)}
  .nav-item:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
  .nav-item.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}
  .nav-item.is-active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
    background:var(--primary);border-radius:2px;
  }

  .sidebar-spacer{flex:1 1 auto;min-height:24px}

  .side-card{
    background:var(--primary-light);
    border-radius:var(--radius-card);
    padding:16px;
  }
  .side-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:12px}
  .side-copy{font-size:12px;color:var(--text-3);margin-top:16px;text-align:center;line-height:1.6}

  .sidebar-close{
    display:none;position:absolute;top:16px;right:14px;
    width:34px;height:34px;border:1px solid var(--line);border-radius:10px;
    background:#fff;color:var(--text-2);align-items:center;justify-content:center;
  }
  .sidebar-close:hover{background:var(--alt);color:var(--text)}

  /* ============ 移动端顶栏与遮罩 ============ */
  .mobile-bar{display:none}
  .overlay{
    display:none;position:fixed;inset:0;background:rgba(36,30,26,.5);z-index:85;
  }
  .overlay.is-open{display:block}

  /* ============ 主内容容器 ============ */
  .main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}
  .page-top{padding-top:36px}

  /* ============ 面包屑 ============ */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);margin-bottom:20px;
  }
  .crumbs a{color:var(--text-2);transition:color .2s}
  .crumbs a:hover{color:var(--primary)}
  .crumbs .sep{color:#C9BBAC}
  .crumbs .current{color:var(--text-3)}

  /* ============ 通用按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
  .btn-primary{background:var(--primary);color:#FFF8F2}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(36,30,26,.28)}
  .btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
  .btn-ghost:hover{background:var(--primary-light)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-light{background:#FFF8F2;color:var(--green)}
  .btn-light:hover{background:#FFFFFF;transform:translateY(-1px);box-shadow:0 8px 22px rgba(0,0,0,.18)}
  .btn-light:active{transform:translateY(0)}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

  /* ============ 徽章 ============ */
  .badge{
    display:inline-flex;align-items:center;border-radius:999px;
    padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;
    background:var(--primary-light);color:var(--primary);line-height:1.6;
  }
  .badge-green{background:var(--green-light);color:var(--green)}
  .badge-muted{background:#EDE6DC;color:var(--text-2)}
  .badge-solid{background:rgba(255,248,242,.92);color:var(--green)}

  /* ============ 封面 Hero ============ */
  .cover-hero{
    position:relative;border-radius:20px;overflow:hidden;
    aspect-ratio:16/9;box-shadow:var(--shadow-1);background:var(--alt);
  }
  .cover-hero img{width:100%;height:100%;object-fit:cover}
  .cover-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(36,30,26,.18) 0%,rgba(36,30,26,.06) 38%,rgba(36,30,26,.82) 100%);
  }
  .cover-inner{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:44px;color:#FFF8F2}
  .cover-inner h1{
    font-size:42px;line-height:1.25;font-weight:700;margin:14px 0 12px;
    letter-spacing:-.01em;color:#FFFFFF;
  }
  .cover-inner p{font-size:17px;line-height:1.75;color:rgba(255,248,242,.88);max-width:620px}

  /* ============ 板块通用 ============ */
  .section{margin-top:72px}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:24px;margin-bottom:28px;
  }
  .section-head h2{font-size:28px;line-height:1.3;font-weight:700}
  .section-head .sub{margin-top:8px;font-size:15px;color:var(--text-2);max-width:760px}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
    color:var(--primary);font-size:14px;font-weight:600;
  }
  .text-link span{transition:transform .2s ease}
  .text-link:hover span{transform:translateX(4px)}
  .text-link:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

  /* ============ 卡片网格 ============ */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-2px);border-color:var(--border);box-shadow:var(--shadow-2)}
  .card-thumb{
    border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;
    margin-bottom:16px;background:var(--alt);
  }
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
  .card:hover .card-thumb img{transform:scale(1.03)}
  .card h3{font-size:19px;line-height:1.5;font-weight:600;margin:10px 0 8px}
  .card .desc{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:14px}
  .card-meta{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    gap:12px;font-size:13px;color:var(--text-3);
    border-top:1px solid var(--line);padding-top:12px;
  }
  .card-meta .arrow{color:var(--primary);font-weight:700;transition:transform .2s ease}
  .card:hover .card-meta .arrow{transform:translateX(4px)}

  /* ============ 数据横条 ============ */
  .stats{
    background:var(--primary-light);border-radius:20px;
    padding:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
  }
  .stat{display:flex;flex-direction:column;gap:6px}
  .stat-num{
    font-size:36px;line-height:1.1;font-weight:700;color:var(--primary);
    letter-spacing:-.02em;
  }
  .stat p{font-size:14px;line-height:1.7;color:var(--text-2)}
  .stats-note{margin-top:16px;font-size:12px;color:var(--text-3)}

  /* ============ 互链卡 ============ */
  .link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .link-card{
    display:flex;gap:18px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .link-card:hover{transform:translateY(-2px);border-color:var(--border);box-shadow:var(--shadow-2)}
  .link-thumb{
    flex:0 0 132px;width:132px;aspect-ratio:16/11;border-radius:var(--radius-img);
    overflow:hidden;background:var(--alt);
  }
  .link-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
  .link-card:hover .link-thumb img{transform:scale(1.04)}
  .link-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:8px 0 6px}
  .link-body p{font-size:14px;line-height:1.75;color:var(--text-2)}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:12px;
    overflow:hidden;transition:border-color .2s ease;
  }
  .faq-item[open]{border-color:var(--border);box-shadow:var(--shadow-1)}
  .faq-item summary{
    display:flex;align-items:flex-start;gap:14px;
    padding:18px 20px;font-size:17px;font-weight:600;line-height:1.6;
    cursor:pointer;list-style:none;color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;border-radius:12px}
  .faq-num{
    flex:0 0 26px;width:26px;height:26px;border-radius:999px;
    background:var(--primary-light);color:var(--primary);
    font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
    margin-top:2px;
  }
  .faq-mark{margin-left:auto;flex:0 0 auto;color:var(--text-3);font-size:18px;line-height:1;transition:transform .2s ease}
  .faq-item[open] .faq-mark{transform:rotate(45deg);color:var(--primary)}
  .faq-answer{
    padding:0 20px 20px 60px;font-size:15px;line-height:1.8;color:var(--text-2);
  }

  /* ============ CTA ============ */
  .cta-block{
    background:var(--green);border-radius:20px;padding:48px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    color:#E9E2D6;flex-wrap:wrap;
  }
  .cta-block h2{font-size:28px;line-height:1.3;font-weight:700;color:#FFFFFF;margin-bottom:10px}
  .cta-block p{font-size:15px;line-height:1.75;color:rgba(233,226,214,.85);max-width:520px}
  .cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .round-btn{
    width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,248,242,.35);
    background:rgba(255,248,242,.08);color:#FFF8F2;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background .2s ease,transform .2s ease,border-color .2s ease;
  }
  .round-btn svg{width:18px;height:18px}
  .round-btn:hover{background:rgba(255,248,242,.2);border-color:rgba(255,248,242,.6);transform:translateY(-1px)}
  .round-btn:active{transform:translateY(0)}
  .round-btn:focus-visible{outline:2px solid #FFF8F2;outline-offset:2px}
  .cta-note{margin-top:16px;font-size:12px;color:rgba(233,226,214,.6)}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--green);color:#E9E2D6;margin-top:88px;
    padding:56px 0 24px;
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
  .footer-logo{display:block;font-size:18px;font-weight:700;color:#FFFFFF;margin-bottom:12px}
  .footer-brand p{font-size:14px;line-height:1.8;color:rgba(233,226,214,.78);max-width:260px}
  .footer-col h4{font-size:14px;font-weight:600;color:#FFFFFF;margin:0 0 14px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col li{font-size:14px;line-height:1.7;color:rgba(233,226,214,.78)}
  .footer-col a{color:rgba(233,226,214,.85);transition:color .2s ease}
  .footer-col a:hover{color:#F0C9A8}
  .footer-col a:focus-visible{outline:2px solid #F0C9A8;outline-offset:2px;border-radius:4px}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:rgba(233,226,214,.65);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .sidebar{
      width:82%;max-width:320px;transform:translateX(-100%);
      transition:transform .28s ease;box-shadow:0 0 40px rgba(36,30,26,.18);
    }
    .sidebar.is-open{transform:translateX(0)}
    .sidebar-close{display:flex}
    .main{margin-left:0;padding-top:56px}
    .mobile-bar{
      display:flex;position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
      align-items:center;justify-content:space-between;gap:12px;
      padding:0 16px;background:#FFFFFF;border-bottom:1px solid var(--line);
    }
    .mobile-logo{font-size:15px;font-weight:700;letter-spacing:.01em}
    .icon-btn{
      width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
      background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
      transition:background .2s ease,color .2s ease;
    }
    .icon-btn:hover{background:var(--alt);color:var(--text)}
    .icon-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
    .icon-btn svg{width:18px;height:18px}

    .cover-inner{padding:32px}
    .cover-inner h1{font-size:34px}
    .section{margin-top:56px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    .cta-block{padding:36px}
    .stats{padding:26px}
  }

  @media (max-width:767px){
    .container{padding:0 20px}
    .page-top{padding-top:24px}
    .cover-hero{aspect-ratio:4/3;border-radius:16px}
    .cover-inner{padding:24px}
    .cover-inner h1{font-size:28px;margin:10px 0 8px}
    .cover-inner p{font-size:15px;line-height:1.7}
    .section{margin-top:44px}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:20px}
    .section-head h2{font-size:22px}
    .section-head .sub{font-size:14px}
    .card-grid{grid-template-columns:1fr;gap:18px}
    .link-grid{grid-template-columns:1fr;gap:16px}
    .link-card{flex-direction:column;align-items:flex-start;gap:14px}
    .link-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
    .stats{grid-template-columns:1fr;gap:18px;padding:22px;border-radius:16px}
    .stat-num{font-size:30px}
    .faq-item summary{font-size:16px;padding:16px}
    .faq-answer{padding:0 16px 18px 56px;font-size:14px}
    .cta-block{padding:28px 22px;border-radius:16px;flex-direction:column;align-items:flex-start;gap:22px}
    .cta-block h2{font-size:22px}
    .footer-grid{grid-template-columns:1fr;gap:24px}
    .site-footer{margin-top:56px;padding:40px 0 20px}
    .footer-bottom{justify-content:flex-start;font-size:12px}
  }

  @media (max-width:480px){
    .btn{width:100%}
    .btn-sm{width:auto}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
    .round-btn{flex:0 0 44px}
    .cover-inner h1{font-size:25px}
    .mobile-bar .btn-sm{width:auto}
  }