/* roulang page: index */
:root{
  --ink:#101215;
  --ink-soft:#16181B;
  --copper:#A85A32;
  --copper-deep:#8C4826;
  --sage:#46615A;
  --paper:#F6F3EC;
  --paper-2:#EEE9DF;
  --dark:#14161A;
  --line:#DCD5C7;
  --line-strong:#CFC5B2;
  --line-dark:rgba(246,243,236,.14);
  --text:#16181B;
  --text-2:#5A5A54;
  --text-3:#8B8A82;
  --dark-text:#F6F3EC;
  --dark-text-2:rgba(246,243,236,.72);
  --dark-text-3:rgba(246,243,236,.5);
  --radius:4px;
  --radius-sm:3px;
  --shadow-hover:0 12px 28px rgba(16,18,21,.07);
  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:2px;}
::selection{background:rgba(168,90,50,.18);color:var(--ink);}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 48px;}

/* ---------- 顶部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(246,243,236,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;gap:32px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;letter-spacing:.02em;white-space:nowrap;flex:0 0 auto;}
.brand-mark{width:6px;height:6px;background:var(--copper);flex:0 0 auto;}
.brand-latin{font-family:var(--font-sans);font-weight:600;letter-spacing:.03em;}
.brand-cn{font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:28px;flex:0 0 auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color .18s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--copper);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--copper-deep);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.command-search{
  display:flex;align-items:center;gap:8px;width:248px;height:38px;
  padding:0 10px;background:#FFFDF8;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.command-search:focus-within{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.18);background:#fff;}
.command-search .s-icon{color:var(--text-3);flex:0 0 auto;}
.command-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-family:var(--font-mono);font-size:11px;line-height:1;color:var(--text-3);
  border:1px solid var(--line);border-radius:2px;padding:3px 5px;background:var(--paper-2);
  flex:0 0 auto;
}
.nav-quick{font-size:14px;font-weight:500;color:var(--text-2);transition:color .18s var(--ease);}
.nav-quick:hover{color:var(--copper-deep);}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#FFFDF8;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--copper);color:var(--copper-deep);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;display:none;flex-direction:column;
  background:var(--paper);padding:20px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#FFFDF8;
}
.drawer .command-search{width:100%;height:44px;margin-bottom:8px;}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--font-serif);font-size:20px;font-weight:600;
  padding:16px 0;border-bottom:1px solid var(--line);color:var(--text);
  transition:color .18s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--copper-deep);}
.drawer-nav a span.arw{font-family:var(--font-mono);font-size:14px;color:var(--text-3);}
.drawer-cta{margin-top:28px;}
.drawer-cta .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;letter-spacing:.04em;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease),
             box-shadow .18s var(--ease);
}
.btn-primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink);}
.btn-primary:hover{background:var(--copper);border-color:var(--copper);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--copper);color:var(--copper-deep);}
.btn-ghost:active{transform:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 28px;}
.btn.is-done{background:var(--sage);border-color:var(--sage);color:#fff;}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--copper-deep);position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--copper);transition:width .2s var(--ease);
}
.text-link:hover::after{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:2px;font-size:12px;font-weight:500;letter-spacing:.06em;
  white-space:nowrap;
}
.badge-copper{background:rgba(168,90,50,.08);color:var(--copper-deep);}
.badge-sage{background:rgba(70,97,90,.08);color:var(--sage);}
.badge-ink{background:rgba(16,18,21,.06);color:var(--ink);}

/* ---------- 首屏 ---------- */
.hero{padding:72px 0 0;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--copper-deep);margin-bottom:26px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--copper);}
.hero h1{
  font-size:clamp(34px,4.3vw,58px);
  letter-spacing:-.02em;line-height:1.14;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--copper-deep);}
.hero-sub{margin-top:24px;font-size:18px;line-height:1.85;color:var(--text-2);max-width:33em;}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-figure .frame{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--paper-2);
}
.hero-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .45s var(--ease);}
.hero-figure:hover img{transform:scale(1.03);}
.hero-tag{
  position:absolute;right:14px;top:14px;
  background:rgba(246,243,236,.94);border:1px solid var(--line);
  border-radius:2px;padding:8px 12px;font-size:12px;letter-spacing:.06em;
  color:var(--ink);line-height:1.5;
}
.hero-tag strong{
  display:block;font-family:var(--font-mono);font-size:13px;
  color:var(--copper-deep);font-weight:500;
}

/* ---------- 指标条 ---------- */
.metrics{margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.metrics-row{display:grid;grid-template-columns:repeat(3,1fr);}
.metric{padding:28px 32px 28px 0;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;padding-right:0;}
.metric-num{
  font-family:var(--font-mono);font-size:30px;font-weight:500;
  letter-spacing:-.01em;color:var(--ink);font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric-num small{font-size:15px;color:var(--text-2);margin-left:4px;font-family:var(--font-sans);}
.metric-label{margin-top:6px;font-size:13px;color:var(--text-3);letter-spacing:.04em;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--paper-2);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.sec-title{
  display:flex;align-items:baseline;gap:14px;
  font-size:clamp(26px,3vw,38px);color:var(--ink);letter-spacing:-.01em;
}
.sec-num{
  font-family:var(--font-mono);font-size:13px;font-weight:500;
  color:var(--copper);letter-spacing:.1em;flex:0 0 auto;
}
.sec-desc{margin-top:12px;font-size:16px;color:var(--text-2);max-width:44em;}

/* ---------- 合集目录 ---------- */
.index-list{border-top:1px solid var(--line);}
.index-row{
  display:grid;grid-template-columns:56px 56px 1fr auto 24px;
  align-items:center;gap:20px;
  padding:18px 16px 18px 0;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background .2s var(--ease);
}
.index-row::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:calc(100% - 16px);background:var(--copper);
  transition:width .22s var(--ease);
}
.index-row:hover{background:var(--paper-2);}
.index-row:hover::before{width:3px;}
.index-num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;
  color:var(--copper);font-weight:500;padding-left:14px;
  font-variant-numeric:tabular-nums;
}
.index-thumb{
  width:56px;height:64px;overflow:hidden;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--paper-2);flex:0 0 auto;
}
.index-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.index-row:hover .index-thumb img{transform:scale(1.06);}
.index-body{display:block;min-width:0;transition:transform .22s var(--ease);}
.index-row:hover .index-body{transform:translateX(4px);}
.index-name{
  display:block;font-family:var(--font-serif);font-size:20px;font-weight:600;
  color:var(--ink);letter-spacing:-.01em;line-height:1.35;
  transition:color .18s var(--ease);
}
.index-row:hover .index-name{color:var(--copper-deep);}
.index-desc{display:block;margin-top:4px;font-size:14px;color:var(--text-2);line-height:1.6;}
.index-count{
  font-family:var(--font-mono);font-size:13px;color:var(--text-3);
  letter-spacing:.04em;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.index-arrow{
  font-family:var(--font-mono);font-size:15px;color:var(--text-3);
  transition:transform .22s var(--ease),color .18s var(--ease);
}
.index-row:hover .index-arrow{transform:translateX(6px);color:var(--copper-deep);}

/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:start;}
.feature-main{
  display:block;border:1px solid var(--line);border-radius:var(--radius);
  background:#FFFDF8;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.feature-main .thumb{overflow:hidden;border-bottom:1px solid var(--line);background:var(--paper-2);}
.feature-main .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.feature-main:hover .thumb img{transform:scale(1.03);}
.feature-main .body{padding:28px 30px 30px;}
.feature-title{
  margin-top:14px;font-size:24px;font-weight:600;color:var(--ink);
  line-height:1.35;letter-spacing:-.01em;
}
.feature-main:hover .feature-title{color:var(--copper-deep);}
.feature-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);}
.feature-meta{
  display:flex;align-items:center;gap:14px;margin-top:20px;
  font-family:var(--font-mono);font-size:12px;color:var(--text-3);letter-spacing:.04em;
}
.feature-meta .dot{width:3px;height:3px;background:var(--line-strong);border-radius:50%;}
.compact-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.compact-item{
  display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.compact-item:hover{background:var(--paper-2);}
.compact-item .thumb{
  width:96px;height:72px;overflow:hidden;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--paper-2);
}
.compact-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.compact-item:hover .thumb img{transform:scale(1.06);}
.compact-item h3{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s var(--ease);
}
.compact-item:hover h3{color:var(--copper-deep);}
.compact-date{
  display:block;margin-top:8px;font-family:var(--font-mono);
  font-size:12px;color:var(--text-3);letter-spacing:.04em;
}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  padding:28px 28px 24px;border:1px solid var(--line);border-radius:var(--radius);
  background:#FFFDF8;position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.news-cat{
  display:inline-flex;align-items:center;align-self:flex-start;height:22px;padding:0 8px;
  border-radius:2px;font-size:12px;letter-spacing:.06em;
  background:rgba(70,97,90,.08);color:var(--sage);
}
.news-title{
  font-size:19px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s var(--ease);
}
.news-card:hover .news-title{color:var(--copper-deep);}
.news-desc{
  font-size:15px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
}
.news-date{font-family:var(--font-mono);font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.news-more{
  font-family:var(--font-mono);font-size:12px;color:var(--copper-deep);letter-spacing:.06em;
  transition:transform .2s var(--ease);
}
.news-card:hover .news-more{transform:translateX(4px);}

/* ---------- 空态 / 骨架 ---------- */
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:56px 24px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:#FFFDF8;
}
.empty-state svg{color:var(--text-3);}
.empty-main{font-size:16px;font-weight:500;color:var(--text);}
.empty-sub{font-size:14px;color:var(--text-3);max-width:32em;}
.empty-state .btn{margin-top:8px;}
.skeleton{
  width:100%;height:16px;background:var(--paper-2);border-radius:2px;
  animation:breathe 1.4s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:1;}50%{opacity:.45;}}

/* ---------- 相关推荐 / 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:12px;}
.tag-link{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:14px;color:var(--text-2);background:#FFFDF8;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.tag-link:hover{border-color:var(--copper);color:var(--copper-deep);background:var(--paper-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside .sec-title{flex-direction:column;align-items:flex-start;gap:6px;}
.faq-aside p{margin-top:18px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:24em;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;min-height:64px;padding:16px 0;text-align:left;
  font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--ink);
  line-height:1.5;transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--copper-deep);}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);
  transition:transform .22s var(--ease);
}
.faq-icon::before{left:0;top:6px;width:14px;height:1.5px;}
.faq-icon::after{left:6px;top:0;width:1.5px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:38em;}

/* ---------- 收藏 / 分享 CTA ---------- */
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-2);
}
.cta-text h2{font-size:26px;color:var(--ink);}
.cta-text p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;}
.footer-brand .brand{color:var(--dark-text);font-size:20px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--copper);}
.footer-desc{font-size:14px;line-height:1.8;color:var(--dark-text-2);max-width:26em;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);border-radius:var(--radius-sm);
  color:var(--dark-text-2);transition:border-color .18s var(--ease),color .18s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:var(--copper);}
.footer-col h3{
  font-family:var(--font-sans);font-size:13px;font-weight:500;
  letter-spacing:.08em;color:var(--copper);margin-bottom:18px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--dark-text-2);transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--dark-text);text-decoration:underline;text-underline-offset:3px;}
.footer-form{display:flex;gap:8px;margin-top:16px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:42px;padding:0 12px;
  background:rgba(246,243,236,.06);border:1px solid var(--line-dark);
  border-radius:var(--radius-sm);color:var(--dark-text);font-size:14px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:var(--dark-text-3);}
.footer-form input:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.28);}
.footer-form .btn{height:42px;padding:0 18px;font-size:14px;background:var(--copper);border-color:var(--copper);color:#fff;}
.footer-form .btn:hover{background:var(--copper-deep);border-color:var(--copper-deep);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--dark-text-3);flex-wrap:wrap;
}
.footer-bottom a{color:var(--dark-text-3);}
.footer-bottom a:hover{color:var(--dark-text);}
.back-top{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);border-radius:var(--radius-sm);
  color:var(--dark-text-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.back-top:hover{border-color:var(--copper);color:var(--copper);background:rgba(168,90,50,.1);}

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

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero-grid{grid-template-columns:6fr 6fr;gap:48px;}
  .feature-grid{grid-template-columns:8fr 4fr;}
  .nav-links{gap:22px;}
  .command-search{width:210px;}
}
@media (max-width:1023px){
  .nav-links,.command-search,.nav-quick{display:none;}
  .nav-toggle{display:flex;}
  .nav-right{gap:10px;}
  .hero{padding:52px 0 0;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-figure img{aspect-ratio:16/9;}
  .hero-figure{max-width:680px;}
  .section{padding:72px 0;}
  .feature-grid{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .metrics-row{grid-template-columns:1fr 1fr 1fr;}
  .metric{padding:24px 20px 24px 0;}
  .metric-num{font-size:26px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav-wrap{height:64px;gap:16px;}
  .brand{font-size:17px;}
  .hero h1{font-size:clamp(30px,8vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .metrics-row{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding:20px 0;}
  .metric:last-child{border-bottom:0;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .sec-title{font-size:26px;}
  .index-row{
    grid-template-columns:48px 1fr 20px;
    grid-template-areas:
      "num name arrow"
      "thumb desc desc";
    row-gap:10px;column-gap:14px;padding:18px 0;
  }
  .index-num{grid-area:num;padding-left:12px;}
  .index-thumb{grid-area:thumb;width:48px;height:56px;}
  .index-body{grid-area:name;}
  .index-desc{grid-area:desc;margin-top:0;}
  .index-name{font-size:18px;}
  .index-count{grid-area:desc;justify-self:end;align-self:end;font-size:12px;}
  .index-arrow{grid-area:arrow;justify-self:end;}
  .news-grid{grid-template-columns:1fr;}
  .compact-item{grid-template-columns:80px 1fr;}
  .compact-item .thumb{width:80px;height:62px;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
  .site-footer{padding:56px 0 0;margin-top:56px;}
  .faq-q{font-size:16px;}
  .feature-main .body{padding:22px 20px 24px;}
  .feature-title{font-size:20px;}
  .news-card{padding:22px 20px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .hero-figure:hover img,.index-row:hover .index-thumb img,
  .feature-main:hover .thumb img,.compact-item:hover .thumb img{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#101215;
  --copper:#A85A32;
  --copper-deep:#8C4826;
  --sage:#46615A;
  --paper:#F6F3EC;
  --paper-2:#EEE9DF;
  --dark:#14161A;
  --line:#DCD5C7;
  --text:#16181B;
  --text-2:#5A5A54;
  --text-3:#8B8A82;
  --surface:#FBFAF6;
  --radius-s:3px;
  --radius-m:4px;
  --shadow:0 12px 28px rgba(16,18,21,.07);
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:'Noto Serif SC','Songti SC',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.22;color:var(--ink)}
p{margin:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
input{font:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:2px}
::selection{background:rgba(168,90,50,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.86);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,243,236,.95);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:19px;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:6px;height:6px;background:var(--copper);display:block;flex:0 0 auto}
.brand-latin{font-family:var(--sans);font-weight:600;color:var(--ink)}
.brand-cn{font-family:var(--serif);font-weight:600;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);transition:color .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--copper);transition:width .22s var(--ease)}
.nav-link:hover{color:var(--copper)}
.nav-link:hover::after,.nav-link.is-active::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;width:248px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:rgba(255,255,255,.55);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.command-search:focus-within{border-color:var(--copper);background:#fff}
.command-search .s-icon{color:var(--text-3);flex:0 0 auto}
.command-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--text)}
.command-search input::placeholder{color:var(--text-3)}
.command-search input:focus{outline:none}
.command-search kbd{
  font-family:var(--mono);font-size:11px;line-height:1;
  padding:3px 5px;border:1px solid var(--line);border-radius:2px;
  color:var(--text-3);background:var(--paper);flex:0 0 auto;
}
.nav-quick{font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
.nav-quick:hover{color:var(--copper);border-bottom-color:var(--copper)}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-s);color:var(--ink);
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--paper-2);border-color:var(--copper)}
.mobile-drawer{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-s);
  font-size:15px;font-weight:500;letter-spacing:.04em;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--copper-deep);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--copper);color:var(--copper-deep)}
.btn[disabled]{opacity:.4;pointer-events:none}
.text-link{font-size:14px;color:var(--copper-deep);position:relative;display:inline-block}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--copper);transition:width .2s var(--ease)}
.text-link:hover::after{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:2px;font-size:12px;letter-spacing:.06em;line-height:1;white-space:nowrap;
  font-family:var(--sans);font-weight:500;
}
.badge-copper{background:rgba(168,90,50,.08);color:var(--copper-deep)}
.badge-sage{background:rgba(70,97,90,.08);color:var(--sage)}
.badge-ink{background:rgba(16,18,21,.06);color:var(--text-2)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:28px;font-size:13px;color:var(--text-3);
}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--copper)}
.breadcrumb .sep{color:var(--copper);font-family:var(--mono)}
.breadcrumb .current{color:var(--text-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.art-wrap{padding-bottom:8px}
.art-head{max-width:900px;margin:0 auto;padding-top:28px}
.art-head h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;letter-spacing:-.02em}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;
  margin-top:26px;padding:14px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.meta-date{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.03em}
.meta-read{font-family:var(--mono);font-variant-numeric:tabular-nums}
.meta-share{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-2);transition:color .18s var(--ease);
}
.meta-share:hover{color:var(--copper)}
.meta-share svg{color:currentColor}

/* ---------- 封面 ---------- */
.art-cover{max-width:900px;margin:40px auto 0}
.cover-frame{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--paper-2);
}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.cover-frame:hover img{transform:scale(1.03)}
.art-cover figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--text-3)}

/* ---------- 正文 ---------- */
.art-body{max-width:760px;margin:56px auto 0;font-size:17px;line-height:1.9;color:var(--text)}
.art-body p{margin:0 0 1.2em}
.art-body h2{
  font-size:28px;line-height:1.4;margin:2.4em 0 .8em;
  padding-left:14px;border-left:3px solid var(--copper);
}
.art-body h3{font-size:22px;margin:1.8em 0 .6em}
.art-body h4{font-family:var(--serif);font-size:18px;margin:1.6em 0 .5em;color:var(--ink)}
.art-body ul,.art-body ol{margin:0 0 1.2em;padding-left:1.4em}
.art-body ul{list-style:disc}
.art-body ol{list-style:decimal}
.art-body li{margin:.4em 0;line-height:1.8}
.art-body li::marker{color:var(--copper)}
.art-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--paper-2);border-left:3px solid var(--sage);
  color:var(--text-2);font-weight:500;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body a{color:var(--copper-deep);border-bottom:1px solid rgba(168,90,50,.4);transition:color .18s var(--ease),border-color .18s var(--ease)}
.art-body a:hover{color:var(--copper);border-bottom-color:var(--copper)}
.art-body img{border-radius:var(--radius-m);margin:1.2em 0;height:auto}
.art-body figure{margin:1.6em 0}
.art-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.art-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.art-body th{background:var(--paper-2);font-weight:600;color:var(--ink)}
.art-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.art-body strong{font-weight:600;color:var(--ink)}

.empty-state{
  border:1px dashed var(--line);background:var(--paper-2);border-radius:var(--radius-m);
  padding:56px 24px;text-align:center;
}
.empty-state svg{color:var(--copper);margin:0 auto 16px}
.empty-state h2{font-size:22px;margin-bottom:10px;border:0;padding:0}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* ---------- 标签 ---------- */
.art-tags{
  max-width:760px;margin:56px auto 0;padding-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  border-top:1px solid var(--line);
}
.tags-label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--text-3);margin-right:4px}
.art-tags a{transition:transform .18s var(--ease),background .18s var(--ease)}
.art-tags a:hover{transform:translateY(-1px)}
.art-tags .badge-copper:hover{background:rgba(168,90,50,.16)}
.art-tags .badge-sage:hover{background:rgba(70,97,90,.16)}
.art-tags .badge-ink:hover{background:rgba(16,18,21,.12)}

/* ---------- 收藏与分享 ---------- */
.save-share{
  max-width:760px;margin:32px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 28px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--radius-m);
}
.save-share .ss-title{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink)}
.save-share .ss-desc{font-size:13px;color:var(--text-3);margin-top:4px}
.ss-actions{display:flex;gap:12px;flex-wrap:wrap}
.ss-actions .btn{background:var(--surface)}
.ss-actions .btn:hover{background:var(--paper);border-color:var(--copper)}
.ss-actions .btn.is-saved{background:rgba(168,90,50,.1);border-color:var(--copper);color:var(--copper-deep)}
.ss-actions .btn.is-saved svg{fill:rgba(168,90,50,.9);stroke:var(--copper-deep)}

/* ---------- 板块标题 ---------- */
.section{padding:96px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3vw,36px);display:flex;align-items:baseline;gap:14px}
.section-head .num{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  color:var(--copper);font-weight:500;font-variant-numeric:tabular-nums;
}
.section-sub{margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px}

/* ---------- 相关推荐卡片 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#CFC6B4}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--paper-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.card-body h3{font-size:19px;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--copper-deep)}
.card-body p{
  font-size:14px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 上一篇 / 下一篇 ---------- */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.pn-item{
  display:block;padding:24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.pn-item:hover{border-color:var(--copper);transform:translateY(-2px);box-shadow:var(--shadow)}
.pn-label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--copper-deep)}
.pn-title{margin-top:10px;font-family:var(--serif);font-size:19px;line-height:1.45;color:var(--ink)}
.pn-item:hover .pn-title{color:var(--copper-deep)}
.pn-next{text-align:right}
.back-row{margin-top:48px;display:flex;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--paper);padding:80px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer-brand .brand-latin,.footer-brand .brand-cn{color:var(--paper)}
.footer-desc{margin-top:16px;max-width:320px;font-size:14px;line-height:1.85;color:rgba(246,243,236,.72)}
.footer-note{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(246,243,236,.5)}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(246,243,236,.14);border-radius:var(--radius-s);
  color:rgba(246,243,236,.72);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.footer-social a:hover{color:var(--paper);border-color:var(--copper);background:rgba(168,90,50,.2)}
.footer-col h3{
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--copper);
}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(246,243,236,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-form{display:flex;gap:8px;margin-top:18px}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 12px;
  border:1px solid rgba(246,243,236,.18);border-radius:var(--radius-s);
  background:rgba(246,243,236,.06);color:var(--paper);font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:rgba(246,243,236,.4)}
.footer-form input:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.35)}
.footer-form .btn-primary{background:var(--paper);color:var(--ink)}
.footer-form .btn-primary:hover{background:var(--copper);color:var(--paper)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0 32px;border-top:1px solid rgba(246,243,236,.14);
  font-size:13px;color:rgba(246,243,236,.5);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px}
.back-top{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(246,243,236,.14);border-radius:var(--radius-s);
  color:rgba(246,243,236,.72);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.back-top:hover{color:var(--paper);border-color:var(--copper);background:rgba(168,90,50,.2)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .card:hover,.pn-item:hover,.btn-primary:hover,.cover-frame:hover img,.card:hover .card-thumb img{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 32px}
  .nav-wrap{height:64px}
  .nav-links,.command-search,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{
    display:block;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
    padding:20px 32px 40px;background:var(--paper);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .mobile-search{display:flex;width:100%;height:44px;margin-bottom:12px}
  .drawer-links{display:flex;flex-direction:column}
  .drawer-links a{
    font-size:20px;line-height:56px;min-height:56px;
    border-bottom:1px solid var(--line);color:var(--ink);
  }
  .drawer-links a:hover{color:var(--copper)}
  .drawer-cta{margin-top:24px;width:100%}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .section{padding-top:72px}
  .site-footer{margin-top:72px;padding-top:64px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand{font-size:17px}
  .breadcrumb{padding-top:20px;font-size:12px}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .art-head h1{font-size:clamp(28px,7vw,34px)}
  .art-meta{gap:10px 14px;font-size:12px}
  .meta-share{margin-left:0}
  .art-cover{margin-top:28px}
  .art-body{font-size:16px;line-height:1.85;margin-top:36px}
  .art-body h2{font-size:23px;margin-top:2em}
  .art-body h3{font-size:19px}
  .art-body table{font-size:14px}
  .art-tags{margin-top:40px}
  .save-share{flex-direction:column;align-items:flex-start;padding:22px}
  .ss-actions{width:100%}
  .ss-actions .btn{flex:1}
  .section{padding-top:56px}
  .section-head h2{font-size:26px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .prev-next{grid-template-columns:1fr;gap:16px}
  .pn-next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:56px;padding-top:56px}
  .footer-desc{max-width:none}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .mobile-drawer{padding:16px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#101215;
  --ink-soft:#16181B;
  --copper:#A85A32;
  --copper-dark:#8C4826;
  --copper-light:#C97A4E;
  --slate:#46615A;
  --paper:#F6F3EC;
  --paper-2:#EEE9DF;
  --paper-3:#FBF9F4;
  --dark:#14161A;
  --line:#DCD5C7;
  --line-dark:rgba(246,243,236,.14);
  --text:#16181B;
  --text-2:#5A5A54;
  --text-3:#8B8A82;
  --r-sm:2px;
  --r:3px;
  --r-card:4px;
  --shadow-hover:0 12px 28px rgba(16,18,21,.07);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:-.015em}
p{margin:0}
input{font:inherit}
::selection{background:rgba(168,90,50,.18)}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,243,236,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,243,236,.94);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:6px;height:6px;background:var(--copper);display:inline-block;flex:none}
.brand-latin{font-family:var(--sans);font-weight:700;letter-spacing:.04em}
.brand-cn{font-family:var(--serif);font-weight:600}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;
  color:var(--text-2);transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--copper);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--copper-dark)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:100%}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.command-search{
  display:flex;align-items:center;gap:8px;height:38px;width:250px;
  padding:0 10px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(255,255,255,.55);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.16)}
.command-search .s-icon{color:var(--text-3);flex:none}
.command-search input{
  flex:1;min-width:0;border:0;background:none;outline:none;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  font-family:var(--mono);font-size:11px;line-height:1;padding:3px 5px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--paper);color:var(--text-3);flex:none;
}
.nav-quick{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.nav-quick:hover{color:var(--copper-dark)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r);
  color:var(--ink);background:transparent;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--copper);color:var(--copper-dark)}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  display:none;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;margin-bottom:20px}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r);color:var(--ink);
}
.drawer-close:hover{border-color:var(--copper);color:var(--copper-dark)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:8px;
}
.drawer-search input{flex:1;border:0;outline:none;background:none;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px}
.drawer-nav a{
  font-family:var(--serif);font-size:20px;line-height:56px;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a:hover{color:var(--copper-dark)}
.drawer-cta{margin-top:28px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r);
  font-size:15px;font-weight:500;letter-spacing:.04em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--copper);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:none;background:var(--copper-dark);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--copper);color:var(--copper-dark)}
.btn-ghost-light{background:transparent;border-color:rgba(246,243,236,.42);color:var(--paper)}
.btn-ghost-light:hover{background:rgba(246,243,236,.12);border-color:rgba(246,243,236,.85)}
.btn-paper{background:var(--paper);color:var(--ink)}
.btn-paper:hover{background:var(--copper);color:var(--paper)}

/* ---------- 通用小元素 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--copper-dark);line-height:1.4;
}
.eyebrow .num{color:var(--copper);font-variant-numeric:tabular-nums}
.eyebrow-light{color:rgba(246,243,236,.72)}
.eyebrow-light .num{color:var(--copper-light)}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:var(--r-sm);font-size:12px;letter-spacing:.06em;
  font-family:var(--sans);white-space:nowrap;
}
.badge-copper{background:rgba(168,90,50,.1);color:var(--copper-dark)}
.badge-slate{background:rgba(70,97,90,.1);color:var(--slate)}
.badge-ink{background:rgba(16,18,21,.06);color:var(--text)}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--paper)}
.cat-hero-media{position:absolute;inset:0}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,18,21,.94) 0%,rgba(16,18,21,.78) 50%,rgba(16,18,21,.52) 100%);
}
.cat-hero-inner{
  position:relative;z-index:2;display:grid;
  grid-template-columns:minmax(0,1fr) 250px;
  gap:64px;align-items:end;
  min-height:420px;padding-top:76px;padding-bottom:56px;
}
.cat-hero h1{
  font-size:56px;color:var(--paper);
  margin:18px 0 20px;max-width:14em;
  letter-spacing:-.02em;
}
.cat-hero-sub{
  font-size:17px;line-height:1.9;color:rgba(246,243,236,.76);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.cat-hero-stats{
  display:flex;flex-direction:column;gap:22px;
  border-left:1px solid rgba(246,243,236,.2);padding-left:28px;
}
.stat-num{
  display:block;font-family:var(--mono);font-size:30px;line-height:1.15;
  color:var(--paper);font-variant-numeric:tabular-nums;
}
.stat-label{font-size:12.5px;letter-spacing:.04em;color:rgba(246,243,236,.6)}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section--paper2{background:var(--paper-2)}
.section--tight{padding-top:0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:48px;padding-bottom:32px;border-bottom:1px solid var(--line);
}
.section-title{font-size:38px;margin-top:12px;letter-spacing:-.02em}
.section-lead{font-size:15px;color:var(--text-2);max-width:420px;line-height:1.8}
.section-foot{margin-top:36px;display:flex;justify-content:flex-start}

/* ---------- 编号目录 ---------- */
.index-list{border-top:1px solid var(--line);margin-top:-1px}
.index-row{
  position:relative;display:grid;
  grid-template-columns:64px minmax(180px,240px) minmax(0,1fr) 84px 22px;
  align-items:center;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.index-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--copper);transition:width .22s var(--ease);
}
.index-row:hover{background:var(--paper-3)}
.index-row:hover::before{width:3px}
.index-num{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  color:var(--copper-dark);font-variant-numeric:tabular-nums;
}
.index-name{
  font-family:var(--serif);font-size:22px;
  transition:transform .22s var(--ease),color .2s var(--ease);
}
.index-row:hover .index-name{transform:translateX(4px);color:var(--copper-dark)}
.index-desc{font-size:14px;color:var(--text-2);line-height:1.75}
.index-count{
  font-family:var(--mono);font-size:13px;color:var(--text-3);
  text-align:right;font-variant-numeric:tabular-nums;
}
.index-arrow{font-size:16px;color:var(--copper);transition:transform .22s var(--ease)}
.index-row:hover .index-arrow{transform:translateX(6px)}

/* ---------- 记录方式 ---------- */
.value-list{border-top:1px solid var(--line)}
.value-row{
  display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:24px;padding:30px 0;border-bottom:1px solid var(--line);
}
.value-num{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  color:var(--copper-dark);padding-top:6px;
}
.value-row h3{font-size:22px;margin-bottom:10px}
.value-row p{font-size:15px;color:var(--text-2);max-width:760px;line-height:1.85}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.scene-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper-3);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:#CFC6B4;box-shadow:var(--shadow-hover)}
.scene-media{overflow:hidden;background:var(--paper-2)}
.scene-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:24px 26px 28px}
.scene-body h3{font-size:20px;margin-bottom:10px}
.scene-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 条目清单 ---------- */
.entry-list{border-top:1px solid var(--line);margin-top:-1px}
.entry-row{
  display:grid;grid-template-columns:110px 96px minmax(0,1fr) 22px;
  gap:24px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.entry-row:hover{background:var(--paper-2)}
.entry-date{
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;
  color:var(--text-3);font-variant-numeric:tabular-nums;
}
.entry-thumb{
  width:96px;height:72px;border-radius:var(--r-card);
  overflow:hidden;border:1px solid var(--line);background:var(--paper-2);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.entry-row:hover .entry-thumb img{transform:scale(1.03)}
.entry-title{
  display:block;font-family:var(--serif);font-size:20px;
  margin:9px 0 6px;transition:color .2s var(--ease);
}
.entry-row:hover .entry-title{color:var(--copper-dark)}
.entry-desc{display:block;font-size:14px;color:var(--text-2);line-height:1.75}
.entry-arrow{color:var(--copper);font-size:16px;transition:transform .22s var(--ease)}
.entry-row:hover .entry-arrow{transform:translateX(5px)}

/* ---------- 流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line-dark);
}
.step{
  padding:30px 24px 34px;border-right:1px solid var(--line-dark);
  transition:background .22s var(--ease);
}
.step:last-child{border-right:0}
.step:hover{background:rgba(246,243,236,.04)}
.step-num{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--copper-light);font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin:14px 0 10px;color:var(--paper)}
.step p{font-size:14px;color:rgba(246,243,236,.68);line-height:1.8}
.section--dark .section-title{color:var(--paper)}
.section--dark .section-lead{color:rgba(246,243,236,.66)}
.section--dark .eyebrow{color:rgba(246,243,236,.72)}
.section--dark .section-head{border-bottom-color:var(--line-dark)}

/* ---------- 标签 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.tag{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);background:transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:var(--copper);color:var(--copper-dark);background:var(--paper-3)}

/* ---------- 收藏 CTA ---------- */
.save-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper-3);padding:34px 38px;
}
.save-bar h3{font-size:24px;margin-bottom:8px}
.save-bar p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:520px}
.save-actions{display:flex;gap:12px;flex-wrap:wrap}
.save-actions .btn svg{flex:none}
.btn.is-saved{border-color:var(--copper);color:var(--copper-dark)}
.btn.is-saved svg{fill:var(--copper);stroke:var(--copper)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start}
.faq-aside p{font-size:15px;color:var(--text-2);line-height:1.85;margin-top:14px;max-width:280px}
.faq-aside .btn{margin-top:24px}
.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;justify-content:space-between;
  gap:16px;padding:24px 0;text-align:left;
  font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--copper-dark)}
.faq-icon{
  flex:none;width:20px;height:20px;position:relative;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);
  transition:opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.5px}
.faq-icon::after{left:9px;top:0;width:1.5px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding-bottom:24px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:720px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(246,243,236,.72);padding-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;
  gap:48px;padding-bottom:64px;
}
.footer-brand .brand{color:var(--paper);margin-bottom:16px}
.footer-desc{
  font-size:14px;line-height:1.85;color:rgba(246,243,236,.6);max-width:330px;
}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);border-radius:var(--r-sm);
  color:rgba(246,243,236,.7);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:var(--paper);background:rgba(168,90,50,.18)}
.footer-col h3{
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--copper-light);margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:rgba(246,243,236,.72);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.footer-form{display:flex;gap:8px;margin-top:16px}
.footer-form input{
  flex:1;min-width:0;height:40px;padding:0 12px;
  border:1px solid var(--line-dark);border-radius:var(--r);
  background:rgba(246,243,236,.05);color:var(--paper);font-size:14px;
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(246,243,236,.42)}
.footer-form input:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.28)}
.footer-note{font-size:12.5px;color:rgba(246,243,236,.42);margin-top:12px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(246,243,236,.5);
}
.footer-bottom-right{display:flex;align-items:center;gap:16px}
.to-top{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);border-radius:var(--r-sm);
  color:rgba(246,243,236,.72);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{border-color:var(--copper);color:var(--paper);background:rgba(168,90,50,.2)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .cat-hero-inner{grid-template-columns:minmax(0,1fr) 210px;gap:40px}
  .cat-hero h1{font-size:48px}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:40px}
}
@media (max-width:1023px){
  .nav-links,.command-search,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero-inner{
    grid-template-columns:1fr;align-items:start;gap:32px;
    min-height:0;padding-top:60px;padding-bottom:44px;
  }
  .cat-hero h1{font-size:40px;max-width:18em}
  .cat-hero-stats{
    flex-direction:row;flex-wrap:wrap;gap:32px;
    border-left:0;padding-left:0;
    border-top:1px solid rgba(246,243,236,.2);
    padding-top:24px;width:100%;
  }
  .section{padding:72px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .section-title{font-size:32px}
  .index-row{grid-template-columns:48px minmax(0,1fr) 20px;gap:8px 16px;padding:22px 0}
  .index-name{font-size:20px}
  .index-desc{grid-column:2 / 4;font-size:13.5px}
  .index-count{grid-column:2 / 4;text-align:left;font-size:12.5px;color:var(--text-3)}
  .index-arrow{grid-row:1;grid-column:3}
  .scene-grid{grid-template-columns:1fr}
  .entry-row{grid-template-columns:96px minmax(0,1fr) 20px;gap:16px}
  .entry-date{grid-column:1 / 4;font-size:12.5px}
  .steps{grid-template-columns:1fr 1fr}
  .step{border-right:1px solid var(--line-dark)}
  .step:nth-child(2n){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line-dark)}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .faq-aside p{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .save-bar{padding:28px}
}
@media (max-width:767px){
  .cat-hero h1{font-size:34px}
  .cat-hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section-title{font-size:27px}
  .value-row{grid-template-columns:1fr;gap:6px;padding:24px 0}
  .value-row h3{font-size:20px}
  .entry-row{display:flex;flex-wrap:wrap;align-items:flex-start;gap:12px}
  .entry-date{order:0;width:100%}
  .entry-body{order:2;width:100%}
  .entry-arrow{display:none}
  .entry-thumb{order:3;width:100%;height:auto;aspect-ratio:16/9;margin-top:4px}
  .entry-title{font-size:19px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line-dark);padding:24px 20px 28px}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line-dark)}
  .step:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .save-bar{padding:24px}
  .save-actions{width:100%}
  .save-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .cat-hero h1{font-size:30px}
  .cat-hero-stats{gap:22px}
  .stat-num{font-size:25px}
  .brand{font-size:16px}
  .section-title{font-size:25px}
  .hero-actions .btn{width:100%}
  .tag{height:38px;padding:0 14px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .scene-card:hover,.btn-primary:hover{transform:none}
  .scene-card:hover .scene-media img,.entry-row:hover .entry-thumb img{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#101215;
  --ink-2:#16181B;
  --copper:#A85A32;
  --copper-dark:#8C4826;
  --sage:#46615A;
  --paper:#F6F3EC;
  --paper-2:#EEE9DF;
  --paper-3:#FBF9F4;
  --dark:#14161A;
  --line:#DCD5C7;
  --line-dark:rgba(246,243,236,.14);
  --text:#16181B;
  --text-2:#5A5A54;
  --text-3:#8B8A82;
  --danger:#B3402F;
  --radius-s:2px;
  --radius:3px;
  --radius-card:4px;
  --shadow-hover:0 12px 28px rgba(16,18,21,.07);
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.2;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
::selection{background:rgba(168,90,50,.18)}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.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}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 48px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,243,236,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:18.5px;letter-spacing:.02em;flex:none}
.brand-mark{width:6px;height:6px;background:var(--copper);display:inline-block;flex:none}
.brand-latin{font-family:var(--sans);font-weight:600;letter-spacing:.02em}
.brand-cn{font-family:var(--serif);font-weight:600}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--copper);transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--copper-dark)}
.nav-link:hover::after,.nav-link.is-active::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;width:250px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-3);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search .s-icon{color:var(--text-3);flex:none}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  font-family:var(--mono);font-size:12px;line-height:1.6;
  border:1px solid var(--line);border-radius:var(--radius-s);
  padding:0 5px;color:var(--text-3);background:var(--paper);flex:none;
}
.command-search:focus-within{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.22)}
.nav-quick{
  font-size:14px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-quick:hover{color:var(--copper-dark);border-bottom-color:var(--copper)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--ink);transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--copper);color:var(--copper-dark)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:24px 20px 40px;display:none;flex-direction:column;gap:20px;
  overflow-y:auto;
}
body.nav-open .mobile-drawer{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  padding:16px 0;font-size:20px;font-family:var(--serif);font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.drawer-nav a.is-current{color:var(--copper-dark)}
.drawer-nav a::after{content:"→";font-family:var(--mono);font-size:16px;color:var(--copper)}
.drawer-cta{width:100%;height:48px;margin-top:4px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius);
  border:1px solid transparent;font-size:15px;font-weight:500;letter-spacing:.04em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--copper);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--copper);color:var(--copper-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 28px}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--copper-dark);position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--copper);transition:width .2s var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:var(--radius-s);font-size:12px;letter-spacing:.06em;
  font-family:var(--sans);font-weight:500;white-space:nowrap;
}
.badge-copper{background:rgba(168,90,50,.09);color:var(--copper-dark)}
.badge-sage{background:rgba(70,97,90,.09);color:var(--sage)}
.badge-ink{background:rgba(16,18,21,.06);color:var(--ink-2)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding:28px 0 0;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--copper-dark)}
.breadcrumb .sep{color:var(--copper)}
.breadcrumb .current{color:var(--text-2)}

/* ============ 期刊双栏 ============ */
.journal{display:grid;grid-template-columns:260px minmax(0,1fr);gap:64px;padding:36px 0 96px}
.journal-aside{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:24px;max-height:calc(100vh - 120px);overflow-y:auto;padding-bottom:8px}
.aside-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);position:relative}
.aside-media img{width:100%;aspect-ratio:3/4;object-fit:cover}
.aside-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,18,21,0) 55%,rgba(16,18,21,.55) 100%);
}
.aside-media span{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--paper);
}
.aside-label{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--text-3);margin-bottom:10px;
}
.aside-nav{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.aside-nav a{
  position:relative;padding:10px 0 10px 16px;font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.aside-nav a::before{
  content:"";position:absolute;left:-1px;top:0;bottom:0;width:2px;
  background:transparent;transition:background .2s var(--ease);
}
.aside-nav a:hover{color:var(--ink);background:var(--paper-2)}
.aside-nav a.is-current{color:var(--ink);font-weight:600}
.aside-nav a.is-current::before{background:var(--copper)}
.aside-block{border-top:1px solid var(--line);padding-top:20px}
.aside-list{display:flex;flex-direction:column;gap:14px}
.aside-list a{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.6;color:var(--text-2);transition:color .2s var(--ease)}
.aside-list a:hover{color:var(--copper-dark)}
.aside-list img{width:48px;height:40px;object-fit:cover;border-radius:var(--radius-s);border:1px solid var(--line);flex:none}

/* 右栏 */
.journal-main{min-width:0}
.journal-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--copper-dark);
  margin-bottom:16px;
}
.journal-kicker::before{content:"";width:22px;height:1px;background:var(--copper)}
.journal-main h1{
  font-size:clamp(32px,4vw,50px);
  line-height:1.16;letter-spacing:-.02em;
}
.journal-lede{
  margin-top:20px;font-size:18px;line-height:1.8;color:var(--text-2);max-width:62ch;
}
.journal-facts{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:28px;
  padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.fact-num{font-family:var(--mono);font-size:26px;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums}
.fact-label{font-size:12.5px;color:var(--text-3);margin-top:4px;letter-spacing:.02em}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.01em;display:flex;align-items:baseline;gap:12px}
.section-title .idx{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--copper);
  font-weight:400;
}
.section-note{font-size:14px;color:var(--text-3);max-width:42ch}

.block{margin-top:72px}

/* 条目卡网格 */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 28px;margin-top:44px}
.entry-card{display:flex;flex-direction:column;gap:14px;min-width:0}
.entry-thumb{
  display:block;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--paper-2);position:relative;
}
.entry-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.entry-thumb::after{content:"";position:absolute;inset:0;background:rgba(246,243,236,.04);pointer-events:none}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.entry-title{font-size:21px;line-height:1.4;letter-spacing:-.01em}
.entry-title a{transition:color .2s var(--ease)}
.entry-card:hover .entry-title a{color:var(--copper-dark)}
.entry-desc{
  font-size:14.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;display:flex;gap:10px;align-items:center}
.entry-meta .dot{width:3px;height:3px;background:var(--text-3);border-radius:50%}

.rule{height:1px;background:var(--line);border:0;margin:72px 0 0}

/* 编号索引清单 */
.index-list{margin-top:8px;border-top:1px solid var(--line)}
.index-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto;
  align-items:center;gap:20px;
  padding:24px 16px 24px 0;border-bottom:1px solid var(--line);
  position:relative;transition:background .22s var(--ease);
}
.index-row::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--copper);transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.index-row:hover{background:var(--paper-2)}
.index-row:hover::before{transform:scaleY(1)}
.index-num{font-family:var(--mono);font-size:13px;color:var(--copper);letter-spacing:.1em}
.index-main{display:flex;flex-direction:column;gap:6px;min-width:0}
.index-title{font-family:var(--serif);font-size:19px;line-height:1.4;transition:color .2s var(--ease)}
.index-row:hover .index-title{color:var(--copper-dark)}
.index-desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.index-side{display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:12.5px;color:var(--text-3);flex:none}
.index-side svg{transition:transform .2s var(--ease);color:var(--text-3)}
.index-row:hover .index-side svg{transform:translateX(6px);color:var(--copper)}

/* 收藏与分享 */
.save-bar{
  margin-top:56px;padding:28px 32px;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--paper-3);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.save-bar h3{font-size:20px;margin-bottom:6px}
.save-bar p{font-size:14px;color:var(--text-2)}
.save-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-save svg{transition:color .2s var(--ease)}
.btn-save.is-saved{border-color:var(--copper);color:var(--copper-dark);background:rgba(168,90,50,.08)}
.btn-save.is-saved svg{color:var(--copper)}

/* 相关推荐 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.tag-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:14px;color:var(--text-2);background:var(--paper-3);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag-link:hover{border-color:var(--copper);color:var(--copper-dark);background:#fff}
.tag-link span{font-family:var(--mono);font-size:11.5px;color:var(--text-3);letter-spacing:.06em}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px}
.faq-intro p{font-size:15px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:34ch}
.faq-intro .link-arrow{margin-top:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-family:var(--serif);font-size:19px;line-height:1.5;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--copper-dark)}
.faq-icon{
  flex:none;width:20px;height:20px;position:relative;color:var(--copper);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:9.5px;width:20px;height:1px}
.faq-icon::after{top:0;left:9.5px;width:1px;height:20px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:72ch}

/* 深色 CTA */
.cta-band{
  margin-top:96px;background:var(--dark);color:var(--paper);
  border-radius:var(--radius-card);
  padding:64px 56px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(26px,3vw,36px);color:var(--paper);letter-spacing:-.01em}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(246,243,236,.72);max-width:52ch;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--paper);color:var(--ink)}
.cta-band .btn-primary:hover{background:var(--copper);color:var(--paper)}
.cta-band .btn-ghost{border-color:rgba(246,243,236,.4);color:var(--paper)}
.cta-band .btn-ghost:hover{background:rgba(246,243,236,.1);border-color:var(--copper);color:var(--paper)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--paper);margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer-brand .brand{color:var(--paper);margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(246,243,236,.72);max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border:1px solid var(--line-dark);border-radius:var(--radius);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(246,243,236,.72);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:var(--paper);background:rgba(168,90,50,.22)}
.footer-col h3{
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--copper);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a{
  font-size:14px;color:rgba(246,243,236,.72);
  transition:color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.footer-col li a:hover{color:var(--paper);border-bottom-color:rgba(246,243,236,.4)}
.sub-form{display:flex;gap:8px;margin-top:16px}
.sub-form input{
  flex:1;min-width:0;height:40px;padding:0 12px;
  background:rgba(246,243,236,.06);border:1px solid var(--line-dark);border-radius:var(--radius);
  color:var(--paper);font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:rgba(246,243,236,.45)}
.sub-form input:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(168,90,50,.35)}
.sub-form .btn{background:var(--paper);color:var(--ink)}
.sub-form .btn:hover{background:var(--copper);color:var(--paper)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,236,.55);
}
.footer-tech{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:rgba(246,243,236,.4)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border:1px solid var(--line-dark);border-radius:var(--radius);
  color:rgba(246,243,236,.72);font-size:13px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{border-color:var(--copper);color:var(--paper);background:rgba(168,90,50,.2)}

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

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 32px}
  .journal{grid-template-columns:220px minmax(0,1fr);gap:44px}
  .command-search{width:210px}
  .nav-links{gap:20px}
  .cta-band{padding:48px 40px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .journal{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:72px}
  .journal-aside{
    position:static;max-height:none;overflow:visible;
    flex-direction:column;gap:16px;
  }
  .aside-media{display:none}
  .aside-nav{
    flex-direction:row;flex-wrap:nowrap;overflow-x:auto;
    border-left:0;border-bottom:1px solid var(--line);gap:4px;
    padding-bottom:0;-webkit-overflow-scrolling:touch;
  }
  .aside-nav a{padding:10px 14px;white-space:nowrap;font-size:14px}
  .aside-nav a::before{left:0;right:0;top:auto;bottom:-1px;width:auto;height:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
  .aside-nav a.is-current::before{transform:scaleX(1)}
  .aside-block{display:none}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .cta-band{grid-template-columns:minmax(0,1fr);gap:28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:16px}
  .nav-wrap{height:64px;gap:12px}
  .brand{font-size:17px}
  .journal-main h1{font-size:32px;line-height:1.22}
  .journal-lede{font-size:16.5px}
  .journal-facts{gap:24px}
  .fact-num{font-size:22px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:32px;margin-top:32px}
  .block{margin-top:56px}
  .rule{margin-top:56px}
  .index-row{grid-template-columns:36px minmax(0,1fr);gap:14px 12px;padding:20px 0}
  .index-side{grid-column:2;justify-content:flex-start;gap:12px}
  .save-bar{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .save-actions{width:100%}
  .save-actions .btn{flex:1;min-width:140px}
  .cta-band{padding:36px 24px;margin-top:64px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}
  .faq-item summary{font-size:17px;padding:18px 0}
  .site-footer{margin-top:64px;padding-top:56px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:36px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .to-top{width:100%;justify-content:center}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
}
@media (max-width:519px){
  .journal-facts{gap:20px}
  .fact-num{font-size:20px}
  .entry-title{font-size:19px}
  .section-title{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}