/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#142B26;
  --brand:#1B3A33;
  --accent:#C2703A;
  --accent-soft:#E8C9A8;
  --gold:#D9B26A;
  --gold-soft:rgba(217,178,106,.22);
  --gold-ink:#8A6A2A;
  --paper:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E3DDD1;
  --text:#2A2E2C;
  --text-muted:#6B7370;
  --text-faint:#9AA3A0;
  --on-dark:rgba(247,244,239,.72);
  --on-dark-line:rgba(247,244,239,.14);
  --on-dark-strong:#F7F4EF;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;

  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(20,43,38,.06);
  --sh-2:0 10px 28px rgba(20,43,38,.10);

  --ease:cubic-bezier(.4,0,.2,1);
  --dur:.22s;
}

/* ============ 基础重置 ============ */
*,*::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(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -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,h4{margin:0;font-family:var(--font-serif);color:var(--ink-900);font-weight:700}
p{margin:0}
input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--accent-soft);color:var(--ink-900)}

/* ============ 容器与通用文字 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.muted{color:var(--text-muted)}
.meta{font-size:13px;line-height:1.6;color:var(--text-muted)}
.lead{font-size:17px;line-height:1.85;color:var(--text-muted);max-width:760px}
.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}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--dur) var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand svg{width:26px;height:26px;stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink-900)}
.header-right{display:flex;align-items:center;gap:24px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text-muted);transition:color var(--dur) var(--ease)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width var(--dur) var(--ease)}
.nav a:hover{color:var(--ink-900)}
.nav a:hover::after{width:100%}
.nav a.is-active{color:var(--ink-900)}
.nav a.is-active::after{width:100%}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--ink-900)}
.nav-toggle svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.nav-toggle:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--paper);z-index:120;
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  padding:24px;overflow-y:auto;
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.drawer-head span{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink-900)}
.drawer-close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--ink-900)}
.drawer-close svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:16px 0;font-size:18px;line-height:1.4;color:var(--ink-900);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-cta{margin-top:20px}
.drawer-mask{position:fixed;inset:0;background:rgba(20,43,38,.42);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--ink-900);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{border:1px solid var(--ink-900);color:var(--ink-900);background:transparent}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--ink-900);padding-bottom:2px;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.btn-text:hover{color:var(--accent);border-bottom:2px solid var(--accent)}
.btn-text svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.on-dark .btn-ghost,.btn-ghost-light{border:1px solid var(--on-dark-line);color:var(--on-dark-strong);background:transparent}
.btn-ghost-light:hover{background:rgba(247,244,239,.10);border-color:var(--on-dark-strong)}
.btn-light{background:var(--paper);color:var(--ink-900)}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-1px)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;line-height:1;background:var(--paper);border:1px solid var(--line);color:var(--text-muted);white-space:nowrap}
.badge-accent{border-color:var(--accent);color:var(--accent);background:transparent}
.num-badge{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:24px;padding:0 9px;border-radius:var(--r-pill);background:var(--gold-soft);color:var(--gold-ink);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}

/* ============ 板块骨架 ============ */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:clamp(22px,2.2vw,30px);line-height:1.4}
.section-desc{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text-muted);max-width:700px}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ Hero ============ */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--accent);margin-bottom:18px}
.hero-kicker::before{content:"";width:28px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(28px,3.2vw,42px);line-height:1.35;letter-spacing:.01em}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--text-muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stat strong{display:block;font-family:var(--font-serif);font-size:22px;line-height:1.2;color:var(--ink-900)}
.hero-stat span{font-size:13px;color:var(--text-muted)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;background:var(--paper);border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,43,38,.18)}
.hero-media figcaption{position:absolute;left:20px;bottom:18px;z-index:2;font-size:13px;color:var(--on-dark-strong);letter-spacing:.02em}

/* ============ 快讯条 ============ */
.bulletin{padding:28px 0;background:var(--ink-900);color:var(--on-dark)}
.bulletin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.bulletin-item{display:flex;gap:14px;align-items:flex-start}
.bulletin-item .dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px}
.bulletin-item strong{display:block;font-size:14px;font-weight:600;color:var(--on-dark-strong);margin-bottom:4px;font-family:var(--font-sans)}
.bulletin-item p{font-size:14px;line-height:1.75;color:var(--on-dark)}

/* ============ 目录卡片（错落栅格） ============ */
.catalog-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card:focus-within{outline:3px solid var(--accent-soft);outline-offset:2px}
.card-cover{overflow:hidden;background:var(--paper);aspect-ratio:4/3}
.card-cover.wide{aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-top{display:flex;align-items:center;gap:12px}
.card-title{font-size:18px;line-height:1.5;font-weight:600}
.card:hover .card-title{color:var(--ink-900)}
.card-text{font-size:15px;line-height:1.75;color:var(--text-muted)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-muted)}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-900)}
.card-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease)}
.card:hover .card-link svg{transform:translateX(3px)}
.card:hover .card-link{color:var(--accent)}

/* ============ 精选条目 ============ */
.pick{display:grid;gap:24px}
.pick-feature{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pick-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.pick-feature .card-cover{aspect-ratio:auto;height:100%;min-height:280px}
.pick-feature .pick-body{padding:36px;display:flex;flex-direction:column;gap:16px;justify-content:center}
.pick-feature h3{font-size:clamp(20px,1.8vw,26px);line-height:1.45}
.pick-list{margin-top:8px;border-top:1px solid var(--line)}
.pick-row{display:flex;align-items:center;gap:20px;padding:22px 8px;border-bottom:1px solid var(--line);transition:background-color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.pick-row:hover{background:var(--paper);padding-left:16px}
.pick-row .idx{font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--text-faint);min-width:34px;transition:color var(--dur) var(--ease)}
.pick-row:hover .idx{color:var(--accent)}
.pick-row .row-main{flex:1;min-width:0}
.pick-row h3{font-size:17px;line-height:1.5;font-family:var(--font-sans);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pick-row .row-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px;font-size:13px;color:var(--text-muted)}
.pick-row .arrow{flex:0 0 auto;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--dur) var(--ease)}
.pick-row .arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.pick-row:hover .arrow{border-color:var(--accent);color:var(--accent);background:var(--surface)}

/* ============ 最新信息列表（CMS） ============ */
.post-list{border-top:1px solid var(--line)}
.post-item{border-bottom:1px solid var(--line)}
.post-link{display:flex;align-items:center;gap:20px;min-height:96px;padding:18px 8px;transition:background-color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.post-link:hover{background:var(--paper);padding-left:16px}
.post-thumb{flex:0 0 72px;width:72px;height:72px;border-radius:var(--r-sm);overflow:hidden;background:var(--paper);border:1px solid var(--line)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-main{flex:1;min-width:0}
.post-title{font-size:17px;line-height:1.5;font-family:var(--font-sans);font-weight:600;color:var(--ink-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-link:hover .post-title{color:var(--accent)}
.post-excerpt{margin-top:6px;font-size:15px;line-height:1.7;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--text-muted)}
.post-arrow{flex:0 0 auto;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted)}
.post-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease)}
.post-link:hover .post-arrow{color:var(--accent)}
.post-link:hover .post-arrow svg{transform:translateX(3px)}

/* 空态 */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:288px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;padding:32px}
.empty-state svg{width:56px;height:56px;stroke:var(--line);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14px;color:var(--text-muted)}

/* ============ 相关推荐 ============ */
.reco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.reco-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.reco-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.reco-card .cover{aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.reco-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.reco-card:hover .cover img{transform:scale(1.03)}
.reco-card .body{padding:18px 20px 22px}
.reco-card h3{font-size:15px;line-height:1.6;font-family:var(--font-sans);font-weight:600;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.reco-card .tag{margin-top:12px;display:inline-flex;font-size:12px;color:var(--text-muted)}

/* ============ 数据条 ============ */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.fact{padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1)}
.fact strong{display:block;font-family:var(--font-serif);font-size:30px;line-height:1.2;color:var(--ink-900)}
.fact span{display:block;margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-muted)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0 22px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);font-family:var(--font-sans);transition:color var(--dur) var(--ease)}
.faq-q::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;background:var(--accent);opacity:0;transition:opacity var(--dur) var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-item.is-open .faq-q{color:var(--accent)}
.faq-q:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px;border-radius:var(--r-sm)}
.faq-icon{flex:0 0 22px;width:22px;height:22px;stroke:var(--text-muted);fill:none;stroke-width:1.6;stroke-linecap:round;transition:transform var(--dur) var(--ease),stroke var(--dur) var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);stroke:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 0 24px 18px;font-size:15px;line-height:1.9;color:var(--text-muted);max-width:760px}

/* ============ CTA 条带 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:32px;
  padding:48px;border-radius:var(--r-lg);background:var(--ink-900);color:var(--on-dark);
}
.cta-band h2{color:var(--on-dark-strong);font-size:clamp(20px,2vw,26px);line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--on-dark);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.share-btn{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--on-dark-line);display:inline-flex;align-items:center;justify-content:center;color:var(--on-dark-strong);transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.share-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.share-btn:hover{background:rgba(247,244,239,.10);border-color:var(--on-dark-strong)}
.share-btn:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:span 2}
.field label{font-size:14px;color:var(--text-muted)}
.field input,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--paper);color:var(--text);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{height:120px;padding:12px 14px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-faint)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink-900);box-shadow:0 0 0 3px rgba(194,112,58,.18)}
.field .hint{font-size:13px;color:var(--text-muted)}
.form-actions{margin-top:8px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--on-dark);margin-top:88px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 48px}
.footer-brand .brand-text{color:var(--on-dark-strong)}
.footer-brand .brand svg{stroke:var(--accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--on-dark);max-width:280px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--on-dark-strong);font-family:var(--font-sans);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--on-dark);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--on-dark-strong);text-decoration:underline;text-underline-offset:3px}
.footer-col li span{font-size:14px;color:var(--on-dark)}
.footer-bottom{border-top:1px solid var(--on-dark-line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:var(--on-dark)}
.back-top{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--on-dark-line);display:inline-flex;align-items:center;justify-content:center;color:var(--on-dark-strong);transition:background-color var(--dur) var(--ease)}
.back-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.back-top:hover{background:rgba(247,244,239,.10)}

/* 浮动返回顶部 */
.float-top{position:fixed;right:24px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:var(--r-sm);background:var(--ink-900);color:var(--paper);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.float-top.is-visible{opacity:1;visibility:visible}
.float-top:hover{background:var(--accent)}
.float-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.float-top:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}

/* 进入动效 */
.rise{animation:riseIn .5s var(--ease) both}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero-grid{gap:36px}
  .reco-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:1023px){
  .nav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:48px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .section{padding:64px 0}
  .catalog-grid{grid-template-columns:repeat(6,1fr)}
  .span-7,.span-5{grid-column:span 6}
  .pick-feature{grid-template-columns:1fr}
  .pick-feature .card-cover{min-height:220px;aspect-ratio:16/9}
  .pick-feature .pick-body{padding:28px}
  .facts{grid-template-columns:repeat(2,1fr)}
  .bulletin-grid{grid-template-columns:1fr;gap:20px}
  .footer-main{grid-template-columns:repeat(2,1fr);gap:36px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:span 1}
}

@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero h1{font-size:24px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:22px}
  .catalog-grid{grid-template-columns:1fr;gap:20px}
  .span-7,.span-5{grid-column:span 1}
  .reco-grid{grid-template-columns:1fr}
  .post-link{gap:14px;padding:16px 4px;min-height:auto}
  .post-thumb{flex:0 0 60px;width:60px;height:60px}
  .post-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .pick-row{gap:14px;padding:18px 4px}
  .pick-row h3{white-space:normal}
  .pick-row .arrow{display:none}
  .cta-band{padding:32px 24px}
  .facts{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-top{right:16px;bottom:16px}
}

@media (max-width:560px){
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .form-actions .btn{width:100%}
  .brand-text{font-size:17px}
}

/* roulang page: article */
:root{
  --ink-900:#142B26;
  --brand:#1B3A33;
  --accent:#C2703A;
  --accent-soft:#E8C9A8;
  --gold:#D9B26A;
  --paper:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E3DDD1;
  --text:#2A2E2C;
  --text-muted:#6B7370;
  --text-faint:#9AA3A0;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-img:12px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(20,43,38,.06);
  --shadow-2:0 10px 28px rgba(20,43,38,.10);
  --container:1200px;
}

*,*::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(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
time,.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,239,.96);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  min-height:72px;
  transition:min-height .22s ease;
}
.site-header.is-scrolled .header-inner{min-height:60px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink-900);
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand svg{
  width:26px;height:26px;
  fill:none;stroke:var(--accent);
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
  font-size:15px;
}
.nav a{
  position:relative;
  padding:8px 0;
  color:var(--text-muted);
  transition:color .22s cubic-bezier(.4,0,.2,1);
}
.nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:2px;
  width:0;height:2px;
  background:var(--accent);
  transition:width .22s cubic-bezier(.4,0,.2,1);
}
.nav a:hover,.nav a.is-active{color:var(--ink-900)}
.nav a:hover::after,.nav a.is-active::after{width:100%}
.header-cta{flex:none}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background .22s cubic-bezier(.4,0,.2,1), color .22s cubic-bezier(.4,0,.2,1), transform .22s cubic-bezier(.4,0,.2,1), box-shadow .22s cubic-bezier(.4,0,.2,1), border-color .22s;
}
.btn-primary{background:var(--ink-900);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:var(--paper);color:var(--ink-900);border-color:var(--paper)}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-1px)}
.btn-ghost-light{background:transparent;border-color:rgba(247,244,239,.55);color:var(--paper)}
.btn-ghost-light:hover{border-color:var(--paper);background:rgba(247,244,239,.12)}
.btn:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.4;pointer-events:none}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink-900);
  margin-left:auto;
}
.menu-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.menu-toggle:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}

.panel-mask{
  position:fixed;inset:0;
  background:rgba(20,43,38,.35);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease;
  z-index:70;
}
.panel-mask.is-open{opacity:1;pointer-events:auto}
.mobile-panel{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:var(--paper);
  z-index:80;
  transform:translateX(100%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
  box-shadow:-12px 0 32px rgba(20,43,38,.14);
}
.mobile-panel.is-open{transform:none}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-close{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:transparent;color:var(--ink-900);
}
.panel-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.mobile-nav{display:flex;flex-direction:column;margin-top:8px}
.mobile-nav a{
  font-size:18px;
  line-height:56px;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-nav a.is-active{color:var(--accent)}
.mobile-panel .btn{margin-top:24px;width:100%}

/* ---------- breadcrumb + article head ---------- */
.article-hero{padding:32px 0 40px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;line-height:1.6;color:var(--text-muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:var(--text-faint)}
.breadcrumb a{color:var(--text-muted);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{margin-top:24px;max-width:860px}
.badge{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  font-size:13px;line-height:1;
}
.badge-accent{border:1px solid var(--accent);color:var(--accent);background:transparent}
.badge-soft{background:var(--paper);border:1px solid var(--line);color:var(--text-muted)}
.badge-gold{background:rgba(217,178,106,.22);color:#7A5F27;border:1px solid rgba(217,178,106,.5)}
.article-head h1{
  margin-top:18px;
  font-family:var(--font-serif);
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink-900);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  margin-top:18px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;line-height:1.6;color:var(--text-muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-faint)}

/* ---------- layout ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.2vw,30px);
  line-height:1.4;
  font-weight:700;
  color:var(--ink-900);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-muted);max-width:620px}
.text-link{color:var(--ink-900);font-size:15px;font-weight:600;border-bottom:1px solid var(--ink-900);transition:color .2s,border-color .2s}
.text-link:hover{color:var(--accent);border-color:var(--accent)}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:52px;
  align-items:start;
}
.article-main{min-width:0}
.article-content{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  text-align:left;
}
.article-content > * + *{margin-top:1.15em}
.article-content p{margin:0}
.article-content h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.4;
  font-weight:700;
  color:var(--ink-900);
  margin-top:40px;
  padding-left:14px;
  border-left:4px solid var(--accent);
}
.article-content h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink-900);
  margin-top:28px;
}
.article-content h4{font-size:16px;font-weight:600;color:var(--ink-900);margin-top:24px}
.article-content ul,.article-content ol{padding-left:1.4em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:.4em 0;line-height:1.8}
.article-content li::marker{color:var(--accent)}
.article-content blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--paper);
  border-left:3px solid var(--accent);
  border-radius:0 10px 10px 0;
  color:var(--text-muted);
  font-size:16px;
}
.article-content img{border-radius:var(--radius-img);margin:24px 0}
.article-content figure{margin:24px 0}
.article-content figcaption{margin-top:10px;font-size:13px;line-height:1.6;color:var(--text-muted);text-align:center}
.article-content a{
  color:var(--ink-900);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:color .2s,text-decoration-thickness .2s;
}
.article-content a:hover{color:var(--accent);text-decoration-thickness:2px}
.article-content table{margin:24px 0;font-size:15px}
.article-content th,.article-content td{
  border-bottom:1px solid var(--line);
  padding:10px 8px;
  text-align:left;
}
.article-content th{color:var(--ink-900);font-weight:600}
.article-content hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-content code{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  font-size:14px;
}

.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:320px;
  padding:48px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  text-align:center;
}
.empty-state svg{width:56px;height:56px;fill:none;stroke:var(--line);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14px;color:var(--text-muted)}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:grid;gap:22px}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  padding-bottom:12px;
  margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.aside-list li{border-bottom:1px solid var(--line)}
.aside-list li:last-child{border-bottom:0}
.aside-list a{
  display:block;
  padding:12px 0;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
  transition:color .2s;
}
.aside-list a:hover{color:var(--accent)}
.aside-list span{display:block;font-size:13px;color:var(--text-muted);margin-top:4px}
.aside-card p{font-size:14px;line-height:1.75;color:var(--text-muted)}
.aside-card .btn{margin-top:16px;width:100%}

/* ---------- tags + share ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row a{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border-radius:999px;
  background:var(--paper);
  border:1px solid var(--line);
  font-size:13px;color:var(--text-muted);
  transition:border-color .2s,color .2s;
}
.tag-row a:hover{border-color:var(--accent);color:var(--accent)}

.share-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-top:28px;
  padding:22px 24px;
  background:var(--paper);
  border-radius:var(--radius-card);
}
.share-bar strong{display:block;font-size:16px;color:var(--ink-900)}
.share-bar span{display:block;margin-top:6px;font-size:14px;color:var(--text-muted)}
.share-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--ink-900);
  border-radius:10px;
  background:transparent;
  color:var(--ink-900);
  transition:background .22s,color .22s,transform .22s;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.icon-btn:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}

/* ---------- prev / next ---------- */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:44px;
}
.pager a{
  display:block;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--accent-soft)}
.pager .label{font-size:13px;color:var(--text-muted)}
.pager .title{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6}
.pager .next{text-align:right}

.back-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px}
.back-links a{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink-900);transition:color .2s}
.back-links a svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.back-links a:hover{color:var(--accent)}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.mini-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s cubic-bezier(.4,0,.2,1),box-shadow .22s cubic-bezier(.4,0,.2,1);
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.mini-card .thumb{position:relative;aspect-ratio:4/3;background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.mini-card .thumb img{width:100%;height:100%;transition:transform .3s cubic-bezier(.4,0,.2,1)}
.mini-card:hover .thumb img{transform:scale(1.03)}
.mini-card .body{padding:16px 18px 20px}
.mini-card .badge{margin-bottom:10px}
.mini-card h3{font-size:15px;line-height:1.6;font-weight:600;color:var(--text);transition:color .2s}
.mini-card:hover h3{color:var(--ink-900)}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 22px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  position:relative;
  transition:color .2s;
}
.faq-q::before{
  content:"";
  position:absolute;left:-14px;top:24px;bottom:24px;
  width:3px;background:var(--accent);
  opacity:0;
  transition:opacity .22s;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;transition:transform .24s cubic-bezier(.4,0,.2,1)}
.faq-item.is-open .faq-q svg{transform:rotate(45deg)}
.faq-q:focus-visible{outline:3px solid var(--accent-soft);outline-offset:4px;border-radius:6px}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s cubic-bezier(.4,0,.2,1)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 40px 24px 0;font-size:15px;line-height:1.9;color:var(--text-muted)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background:var(--ink-900);
  border-radius:var(--radius-lg);
  padding:44px 48px;
}
.cta-band h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.4;
  color:var(--paper);
}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(247,244,239,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:var(--ink-900);
  color:var(--paper);
  padding:64px 0 0;
  border:0;
  border-radius:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:var(--paper)}
.footer-brand .brand svg{stroke:var(--gold)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,244,239,.72);max-width:280px}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--paper);
  margin-bottom:16px;
}
.footer-col li{margin-bottom:12px}
.footer-col a,.footer-col span{
  font-size:14px;
  color:rgba(247,244,239,.72);
  transition:color .2s;
}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 26px;
  border-top:1px solid rgba(247,244,239,.14);
  font-size:13px;
  color:rgba(247,244,239,.72);
}
.back-top{
  width:40px;height:40px;
  flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,244,239,.4);
  border-radius:10px;
  color:var(--paper);
  transition:background .22s,border-color .22s;
}
.back-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.back-top:hover{background:rgba(247,244,239,.12);border-color:var(--paper)}

.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:44px;height:44px;
  display:none;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--ink-900);
  box-shadow:var(--shadow-2);
  z-index:50;
  transition:background .2s,color .2s;
}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.to-top:hover{background:var(--ink-900);color:var(--paper)}
.to-top.is-show{display:inline-flex}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .nav,.header-cta{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:16px}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;top:auto}
  .section{padding:64px 0}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-hero{padding:22px 0 30px}
  .article-head h1{font-size:24px}
  .breadcrumb [aria-current="page"]{white-space:normal;max-width:100%}
  .article-content{font-size:16px;line-height:1.85}
  .section{padding:56px 0}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .share-bar{padding:20px}
  .share-actions{width:100%}
  .faq-a p{padding-right:0}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:560px){
  .brand{font-size:17px}
  .card-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .to-top{right:16px;bottom:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .aside-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --ink-900:#142B26;
  --brand:#1B3A33;
  --accent:#C2703A;
  --accent-soft:#E8C9A8;
  --gold:#D9B26A;
  --paper:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E3DDD1;
  --text:#2A2E2C;
  --text-muted:#6B7370;
  --text-faint:#9AA3A0;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(20,43,38,.06);
  --shadow-2:0 10px 28px rgba(20,43,38,.10);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink-900);letter-spacing:.01em}
h1{font-size:clamp(28px,3.2vw,42px);line-height:1.35;font-weight:700}
h2{font-size:clamp(22px,2.2vw,30px);line-height:1.4;font-weight:700}
h3{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0}
[hidden]{display:none!important}
::selection{background:var(--accent-soft);color:var(--ink-900)}
:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:19px;letter-spacing:.02em;flex:none}
.brand svg{width:26px;height:26px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{white-space:nowrap}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text);transition:color .2s var(--ease)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .22s var(--ease)}
.nav a:hover,.nav a.is-active{color:var(--ink-900)}
.nav a:hover::after,.nav a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.menu-toggle:hover{border-color:var(--ink-900);background:var(--surface)}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px}

/* 移动抽屉 */
.menu-overlay{position:fixed;inset:0;background:rgba(20,43,38,.42);z-index:55}
.mobile-panel{
  position:fixed;top:0;right:0;z-index:60;
  width:min(340px,86vw);height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  padding:20px 24px 32px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .24s var(--ease);
}
.mobile-panel.is-open{transform:translateX(0)}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-head .brand-text{font-size:17px;font-weight:700;color:var(--ink-900)}
.panel-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);display:grid;place-items:center;cursor:pointer;transition:.2s var(--ease)}
.panel-close:hover{border-color:var(--ink-900)}
.panel-close svg{width:18px;height:18px;fill:none;stroke:var(--ink-900);stroke-width:1.6;stroke-linecap:round}
.panel-nav{display:flex;flex-direction:column;margin-top:8px}
.panel-nav a{font-size:18px;line-height:56px;border-bottom:1px solid var(--line);color:var(--text);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.panel-nav a:hover,.panel-nav a.is-active{color:var(--ink-900);padding-left:6px}
.panel-cta{margin-top:24px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--ink-900);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--ink-900);color:var(--ink-900);background:transparent}
.btn-outline:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(247,244,239,.55);color:var(--paper);background:transparent}
.btn-ghost:hover{background:var(--paper);color:var(--ink-900);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--ink-900);padding-bottom:2px;transition:.2s var(--ease)}
.link-arrow:hover{color:var(--accent);border-bottom-width:2px;border-bottom-color:var(--accent)}
.link-arrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:13px;line-height:1.6;padding:3px 12px;background:var(--paper);border:1px solid var(--line);color:var(--text-muted)}
.badge-accent{border-color:var(--accent);color:var(--accent);background:transparent}
.badge-on-dark{border-color:rgba(232,201,168,.6);color:var(--accent-soft);background:rgba(20,43,38,.25)}
.num-badge{align-self:flex-start;display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:26px;padding:0 10px;border-radius:999px;background:rgba(217,178,106,.28);color:var(--ink-900);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--text-muted)}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin:0 8px;color:var(--text-faint)}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--text)}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;margin-top:20px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(20,43,38,.64)}
.hero-inner{position:relative;z-index:1;padding:56px 0 52px;display:flex;flex-direction:column;gap:18px;min-height:260px;justify-content:flex-end}
.hero-inner h1{color:var(--paper)}
.hero-sub{max-width:760px;font-size:17px;line-height:1.8;color:rgba(247,244,239,.82)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:10px;font-size:13px;color:rgba(247,244,239,.72);font-variant-numeric:tabular-nums}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--gold)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{margin-top:10px;max-width:640px;font-size:16px;color:var(--text-muted)}
.section-kicker{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.06em;margin-bottom:10px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 图录网格 ---------- */
.gallery-row{display:grid;gap:24px;margin-bottom:24px}
.gallery-row.row-a{grid-template-columns:7fr 5fr}
.gallery-row.row-b{grid-template-columns:repeat(3,1fr)}
.gallery-row:last-child{margin-bottom:0}
.g-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.g-cover{display:block;background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.g-card .g-cover{aspect-ratio:4/3}
.g-card-lg .g-cover{aspect-ratio:16/9}
.g-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.g-card:hover .g-cover img{transform:scale(1.03)}
.g-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.g-body h3{font-size:18px}
.g-body h3 a{transition:color .2s var(--ease)}
.g-body h3 a:hover{color:var(--accent)}
.g-body>p{font-size:15px;line-height:1.75;color:var(--text-muted)}
.g-meta{margin-top:auto;font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums}
.g-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 说明块 ---------- */
.note-block{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:48px;box-shadow:var(--shadow-1);
}
.note-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
.note-grid p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text)}
.note-grid .note-lead{font-size:17px;color:var(--text)}
.point-list li{padding:16px 0;border-top:1px solid var(--line)}
.point-list li:first-child{border-top:0;padding-top:0}
.point-list strong{display:block;font-size:16px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.point-list span{font-size:14px;color:var(--text-muted)}
.point-list .idx{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);margin-right:8px;font-variant-numeric:tabular-nums}

/* ---------- 编号行列表 ---------- */
.index-list{border-top:1px solid var(--line)}
.index-list li{position:relative;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.index-list li::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:center;transition:transform .2s var(--ease)}
.index-list li:hover{background:var(--surface)}
.index-list li:hover::before{transform:scaleY(1)}
.index-list a{display:flex;align-items:center;gap:20px;padding:24px 20px 24px 20px}
.index-list .n{font-size:15px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;min-width:34px}
.index-list .t{flex:1;display:flex;flex-direction:column;gap:4px}
.index-list .t strong{font-size:17px;font-weight:600;color:var(--ink-900)}
.index-list .t span{font-size:14px;color:var(--text-muted)}
.index-list svg{width:20px;height:20px;fill:none;stroke:var(--text-faint);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s var(--ease),transform .2s var(--ease)}
.index-list a:hover svg{stroke:var(--accent);transform:translateX(3px)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);transition:.22s var(--ease)}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step .s-num{font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1}
.step h3{margin:16px 0 10px;font-size:17px}
.step p{font-size:14px;line-height:1.8;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.faq-q::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--accent);transform:scaleY(0);transition:transform .2s var(--ease)}
.faq-item.is-open .faq-q{padding-left:14px}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--accent)}
.faq-icon{width:20px;height:20px;flex:none;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;transition:transform .24s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 4px 24px 14px;font-size:15px;line-height:1.9;color:var(--text-muted);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);border-radius:var(--radius-lg);padding:48px;color:var(--paper)}
.cta-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.cta-band h2{color:var(--paper)}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(247,244,239,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-end}
.share-row{display:flex;gap:10px;margin-top:20px;justify-content:flex-end}
.share-btn{
  width:40px;height:40px;border:1px solid rgba(247,244,239,.32);border-radius:10px;
  display:grid;place-items:center;color:var(--paper);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.share-btn:hover{background:var(--paper);color:var(--ink-900);border-color:var(--paper)}
.share-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);margin-top:88px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding:64px 0 40px}
.site-footer .brand{color:var(--paper);margin-bottom:16px}
.site-footer .brand svg{stroke:var(--accent-soft)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,244,239,.72);max-width:280px}
.footer-col h3{font-size:15px;font-weight:600;color:rgba(247,244,239,.95);margin-bottom:16px;font-family:var(--font-sans)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;line-height:1.7;color:rgba(247,244,239,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border-top:1px solid rgba(247,244,239,.14);font-size:13px;color:rgba(247,244,239,.72);flex-wrap:wrap}
.back-top{
  width:40px;height:40px;border:1px solid rgba(247,244,239,.32);border-radius:10px;
  display:grid;place-items:center;color:var(--paper);transition:background .2s var(--ease),color .2s var(--ease);
}
.back-top:hover{background:var(--paper);color:var(--ink-900)}
.back-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav{gap:22px}
}
@media (max-width:1023px){
  .nav{display:none}
  .menu-toggle{display:flex}
  .header-actions .btn{display:none}
  .header-inner{height:64px}
  .gallery-row.row-a{grid-template-columns:1fr 1fr}
  .gallery-row.row-b{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .note-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions,.share-row{justify-content:flex-start}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero-inner{padding:40px 0 36px;min-height:0}
  .hero-sub{font-size:16px}
  .gallery-row.row-a,.gallery-row.row-b{grid-template-columns:1fr}
  .note-block{padding:28px}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .site-footer{margin-top:56px}
  .index-list a{padding:20px 14px;gap:14px}
  .faq-a-inner{padding-left:0}
  .faq-item.is-open .faq-q{padding-left:12px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .header-inner{gap:12px}
  .brand{font-size:17px}
  .brand svg{width:22px;height:22px}
  .footer-main{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-meta{gap:14px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --ink-900:#142B26;
  --brand:#1B3A33;
  --accent:#C2703A;
  --accent-soft:#E8C9A8;
  --gold:#D9B26A;
  --paper:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E3DDD1;
  --text:#2A2E2C;
  --text-muted:#6B7370;
  --text-faint:#9AA3A0;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,43,38,.06);
  --shadow-2:0 10px 28px rgba(20,43,38,.10);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;color:var(--ink-900)}
p{margin:0}
svg{display:block}
::selection{background:var(--accent-soft);color:var(--ink-900)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--accent-soft);
  outline-offset:2px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand svg{
  width:26px;
  height:26px;
  fill:none;
  stroke:var(--accent);
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav a{
  position:relative;
  font-size:15px;
  color:var(--text-muted);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width .24s var(--ease);
}
.nav a:hover{color:var(--ink-900)}
.nav a:hover::after{width:100%}
.nav a.is-active{color:var(--ink-900);font-weight:600}
.nav a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .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-900);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--ink-900);color:var(--ink-900);background:transparent}
.btn-outline:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.text-link{
  color:var(--ink-900);
  font-size:14px;
  font-weight:600;
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
  transition:color .2s var(--ease),border-width .2s var(--ease);
}
.text-link:hover{color:var(--accent);border-bottom-width:2px}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
}
.nav-toggle svg{
  width:22px;height:22px;fill:none;stroke:var(--ink-900);
  stroke-width:1.5;stroke-linecap:round;
}
.mobile-panel{
  position:fixed;
  inset:0 0 0 auto;
  width:100%;
  max-width:380px;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px 24px 32px;
  box-shadow:-16px 0 40px rgba(20,43,38,.12);
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateX(0)}
.mobile-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.mobile-panel-close{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);
}
.mobile-panel-close svg{width:20px;height:20px;fill:none;stroke:var(--ink-900);stroke-width:1.5;stroke-linecap:round}
.mobile-nav{display:flex;flex-direction:column;margin-top:8px}
.mobile-nav a{
  font-size:18px;
  line-height:56px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-nav a.is-active{color:var(--ink-900);font-weight:600}
.mobile-nav a.is-active::before{content:"— ";color:var(--accent)}
.mobile-panel .btn{margin-top:28px;width:100%}
body.is-locked{overflow:hidden}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);line-height:1.6;
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--text-faint)}
.breadcrumb a{color:var(--text-muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--ink-900);font-weight:600}

/* ============ 页头 ============ */
.page-hero{padding:36px 0 56px;border-bottom:1px solid var(--line)}
.page-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:56px;
  align-items:end;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--paper);color:var(--text-muted);font-size:13px;
}
.tag-accent{border-color:var(--accent);color:var(--accent);background:transparent}
h1{
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.35;
  letter-spacing:.01em;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:640px;
}
.hero-notes{
  margin-top:24px;
  display:flex;flex-wrap:wrap;gap:12px 28px;
  font-size:14px;color:var(--text-muted);
}
.hero-notes span{display:inline-flex;align-items:center;gap:8px}
.hero-notes svg{width:16px;height:16px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.fact-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.fact-panel h2{font-size:16px;font-family:var(--font-sans);font-weight:600;margin-bottom:16px}
.fact-list{display:grid;gap:14px}
.fact-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.fact-list li:last-child{border-bottom:0;padding-bottom:0}
.fact-list dt{font-size:14px;color:var(--text-muted)}
.fact-list dd{margin:0;font-size:20px;font-weight:700;color:var(--ink-900)}
.fact-list dd small{font-size:13px;font-weight:400;color:var(--text-muted);margin-left:4px}

/* ============ 区块通用 ============ */
.section{padding:88px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head h2{font-size:clamp(22px,2.2vw,30px);line-height:1.4}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-muted);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent)}

/* ============ 本期重点 ============ */
.spotlight{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:48px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.spotlight figure{margin:0;overflow:hidden;border-radius:var(--r-md)}
.spotlight img{width:100%;height:100%;aspect-ratio:4/3;border-radius:var(--r-md)}
.spotlight h3{font-size:20px;margin-bottom:12px}
.spotlight > div > p{font-size:15px;color:var(--text-muted);margin-bottom:20px}
.spotlight ul{display:grid;gap:14px}
.spotlight li{
  display:grid;grid-template-columns:auto 1fr;gap:12px;
  font-size:15px;line-height:1.8;color:var(--text);
}
.spotlight li i{
  display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
  font-style:normal;font-size:12px;font-weight:700;color:var(--accent);
  margin-top:4px;
}

/* ============ 索引式布局 ============ */
.index-layout{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.index-rail{position:sticky;top:96px}
.rail-title{
  font-size:13px;letter-spacing:.08em;color:var(--text-muted);
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:16px;
}
.rail-nav{display:grid;gap:2px}
.rail-nav a{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:baseline;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-muted);
  border-left:2px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.rail-nav a b{font-size:12px;color:var(--text-faint);font-weight:700}
.rail-nav a:hover{background:var(--surface);color:var(--ink-900);border-left-color:var(--accent)}
.rail-nav a:hover b{color:var(--accent)}
.index-list{display:grid;gap:0}
.index-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:24px;
  align-items:start;
  padding:26px 8px 26px 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.index-item:first-child{border-top:1px solid var(--line)}
.index-item:hover{background:var(--paper);padding-left:14px;border-left:3px solid var(--accent);padding-right:14px}
.index-no{
  font-family:var(--font-serif);
  font-size:15px;font-weight:700;color:var(--accent);
  min-width:34px;padding-top:2px;
}
.index-body h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.index-body p{font-size:15px;color:var(--text-muted);line-height:1.8;max-width:680px}
.index-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--text-muted);font-size:12px;
}
.chip-gold{background:rgba(217,178,106,.16);border-color:rgba(217,178,106,.5);color:#8a6a25}
.index-arrow{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.index-arrow svg{width:16px;height:16px;fill:none;stroke:var(--ink-900);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s var(--ease)}
.index-item:hover .index-arrow{background:var(--ink-900);border-color:var(--ink-900)}
.index-item:hover .index-arrow svg{stroke:var(--paper)}

/* ============ 三步流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--r-pill);
  background:rgba(217,178,106,.22);color:#7d5f20;
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-muted);line-height:1.8}

/* ============ 更新类型 ============ */
.type-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.type-card{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.type-card:hover{border-color:var(--accent-soft);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.type-icon{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--paper);
  display:flex;align-items:center;justify-content:center;
}
.type-icon svg{width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.type-card h3{font-size:16px;margin-bottom:8px}
.type-card p{font-size:14px;color:var(--text-muted);line-height:1.8}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:20px;
  align-items:center;
  text-align:left;
  padding:22px 0 22px 0;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  border-left:3px solid transparent;
  padding-left:0;
  transition:border-color .2s var(--ease),padding-left .2s var(--ease);
}
.faq-q:hover{border-left-color:var(--accent);padding-left:14px}
.faq-item.is-open .faq-q{border-left-color:var(--accent);padding-left:14px}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease);
}
.faq-icon svg{width:18px;height:18px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a p{
  padding:0 0 24px 14px;
  font-size:15px;line-height:1.9;color:var(--text-muted);
  max-width:760px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink-900);
  border-radius:var(--r-lg);
  padding:52px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{color:var(--paper);font-size:clamp(20px,2vw,26px);line-height:1.4}
.cta-band p{color:rgba(247,244,239,.72);font-size:15px;margin-top:12px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-ghost{
  border-color:rgba(247,244,239,.4);
  color:var(--paper);
  background:transparent;
}
.btn-ghost:hover{background:var(--paper);color:var(--ink-900);transform:translateY(-1px)}
.btn-light{background:var(--paper);color:var(--ink-900)}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-1px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:var(--paper);
  margin-top:88px;
  padding:72px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(247,244,239,.14);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand .brand svg{stroke:var(--accent-soft)}
.footer-brand p{font-size:14px;color:rgba(247,244,239,.72);line-height:1.8;max-width:280px}
.footer-col h3{
  color:var(--paper);font-size:15px;font-weight:600;font-family:var(--font-sans);
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a,.footer-col span{
  font-size:14px;color:rgba(247,244,239,.72);line-height:1.7;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 28px;
}
.footer-bottom p{font-size:13px;color:rgba(247,244,239,.6)}
.back-top{
  width:40px;height:40px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,244,239,.3);border-radius:var(--r-sm);
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.back-top svg{width:18px;height:18px;fill:none;stroke:var(--paper);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.back-top:hover{background:rgba(247,244,239,.12);border-color:rgba(247,244,239,.6)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .index-layout{gap:40px}
  .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .nav,.header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;align-items:start}
  .spotlight{grid-template-columns:1fr;gap:28px}
  .index-layout{grid-template-columns:1fr;gap:28px}
  .index-rail{position:static}
  .rail-nav{
    display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;
  }
  .rail-nav a{
    flex:0 0 auto;border-left:0;border:1px solid var(--line);
    border-radius:var(--r-pill);padding:8px 14px;background:var(--surface);
  }
  .rail-nav a:hover{border-color:var(--accent)}
  .steps{grid-template-columns:1fr}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:56px;gap:16px}
  h1{font-size:24px;line-height:1.4}
  .hero-lead{font-size:16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .type-grid{grid-template-columns:1fr}
  .spotlight{padding:22px}
  .cta-band{padding:36px 24px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px}
  .index-item{grid-template-columns:auto minmax(0,1fr);gap:16px}
  .index-arrow{display:none}
  .site-footer{margin-top:56px;padding-top:52px}
}
@media (max-width:560px){
  .fact-panel{padding:22px}
  .fact-list dd{font-size:18px}
  .footer-main{grid-template-columns:1fr}
  .mobile-panel{max-width:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#142B26;
  --brand:#1B3A33;
  --accent:#C2703A;
  --accent-soft:#E8C9A8;
  --gold:#D9B26A;
  --paper:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E3DDD1;
  --text:#2A2E2C;
  --text-muted:#6B7370;
  --text-faint:#9AA3A0;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(20,43,38,.06);
  --shadow-2:0 10px 28px rgba(20,43,38,.10);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink-900);font-weight:700}
p{margin:0}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand svg{width:24px;height:24px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink-900)}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav a{
  position:relative;font-size:15px;color:var(--text-muted);
  padding:6px 0;transition:color 200ms var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width 220ms var(--ease);
}
.nav a:hover,.nav a.is-active{color:var(--ink-900)}
.nav a:hover::after,.nav a.is-active::after{width:100%}
.header-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border:1px solid var(--ink-900);border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;color:var(--ink-900);transition:all 200ms var(--ease);
}
.header-cta:hover{background:var(--ink-900);color:var(--paper)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;
  align-items:center;justify-content:center;border-radius:10px;
}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--ink-900);margin:4px auto;transition:all 200ms var(--ease)}
.mobile-panel{
  position:fixed;inset:0 0 0 auto;width:min(360px,88vw);z-index:80;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;padding:24px;
}
.mobile-panel.is-open{transform:translateX(0)}
.mobile-panel a.m-link{
  display:block;font-size:18px;line-height:56px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link.is-active{color:var(--ink-900);font-weight:600}
.mobile-panel .btn{margin-top:auto}
.mask{position:fixed;inset:0;background:rgba(20,43,38,.36);opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);z-index:70}
.mask.is-open{opacity:1;pointer-events:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:all 220ms var(--ease);border:1px solid transparent;
}
.btn-primary{background:var(--ink-900);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink-900);color:var(--ink-900);background:transparent}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{border-color:rgba(247,244,239,.72);color:var(--paper)}
.btn-light:hover{background:var(--paper);color:var(--ink-900)}
.btn-disabled,.btn[disabled]{opacity:.4;pointer-events:none}
.link-text{
  font-size:15px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--ink-900);padding-bottom:2px;
  transition:all 200ms var(--ease);
}
.link-text:hover{color:var(--accent);border-bottom-width:2px;border-bottom-color:var(--accent)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;line-height:1;
  background:var(--paper);border:1px solid var(--line);color:var(--text-muted);
}
.badge-accent{background:transparent;border-color:var(--accent);color:var(--accent)}
.badge-num{background:var(--gold);border-color:transparent;color:var(--ink-900);font-weight:600}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:var(--line)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--accent)}
.crumb .current{color:var(--ink-900);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{padding:32px 0 40px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(28px,3.2vw,42px);line-height:1.35;letter-spacing:.01em}
.page-hero .lede{margin-top:16px;max-width:760px;font-size:17px;line-height:1.8;color:var(--text-muted)}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:16px}
.hero-search{margin-top:32px;max-width:520px;position:relative}
.hero-search label{display:block;font-size:14px;color:var(--text-muted);margin-bottom:8px}
.hero-search input{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:var(--surface);
  transition:border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.hero-search input::placeholder{color:var(--text-faint)}
.hero-search input:focus{outline:none;border-color:var(--ink-900);box-shadow:0 0 0 3px rgba(194,112,58,.18)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.2vw,30px);line-height:1.4}
.section-head p{margin-top:10px;font-size:16px;color:var(--text-muted);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;
  letter-spacing:.08em;color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}

/* ---------- layout with sidebar ---------- */
.layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--paper);border-bottom:1px solid var(--line)}
.card-media img{width:100%;height:100%;transition:transform 220ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:15px;line-height:1.75;color:var(--text-muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.card-more{margin-top:10px;font-size:14px;font-weight:600;color:var(--ink-900)}
.card-more::after{content:" →";color:var(--accent)}
.qa-empty{
  display:none;padding:56px 24px;text-align:center;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--surface);
}
.qa-empty.is-visible{display:block}
.qa-empty svg{width:56px;height:56px;margin:0 auto 16px;fill:none;stroke:var(--line);stroke-width:1.5;stroke-linecap:round}
.qa-empty p{font-size:14px;color:var(--text-muted);margin-bottom:12px}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-family:var(--font-sans);font-weight:600;letter-spacing:.02em;margin-bottom:14px}
.anchor-list li{border-bottom:1px solid var(--line)}
.anchor-list li:last-child{border-bottom:0}
.anchor-list a{display:flex;align-items:center;gap:10px;padding:11px 0;font-size:15px;color:var(--text-muted);transition:color 200ms var(--ease)}
.anchor-list a::before{content:"";width:3px;height:14px;background:var(--line);transition:background 200ms var(--ease)}
.anchor-list a:hover{color:var(--ink-900)}
.anchor-list a:hover::before{background:var(--accent)}
.cat-list li+li{margin-top:12px}
.cat-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;color:var(--text);transition:color 200ms var(--ease)}
.cat-list a:hover{color:var(--accent)}
.cat-list a span{color:var(--accent);font-size:14px}
.contact-card{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper)}
.contact-card h3{color:var(--paper)}
.contact-card p{font-size:14px;line-height:1.8;color:rgba(247,244,239,.72)}
.contact-card .mail{display:inline-block;margin-top:14px;font-size:15px;font-weight:600;color:var(--paper);border-bottom:1px solid rgba(247,244,239,.72)}
.contact-card .mail:hover{color:var(--accent-soft);border-bottom-color:var(--accent-soft)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);position:relative;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;background:var(--gold);
  color:var(--ink-900);font-size:14px;font-weight:600;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:15px;line-height:1.75;color:var(--text-muted)}

/* ---------- channel rows ---------- */
.channel-list{border-top:1px solid var(--line)}
.channel{
  display:grid;grid-template-columns:200px 1fr auto;gap:24px;align-items:center;
  padding:26px 20px;border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.channel:hover{background:var(--surface);box-shadow:inset 3px 0 0 var(--accent)}
.channel h3{font-size:17px}
.channel p{font-size:15px;line-height:1.75;color:var(--text-muted)}
.channel .arrow{font-size:18px;color:var(--accent)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  position:relative;transition:color 200ms var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--accent);transition:height 220ms var(--ease);
}
.faq-item.is-open .faq-q::before{height:22px}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:0 0 auto;width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;transition:transform 240ms var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding:0 40px 24px 0;font-size:15px;line-height:1.9;color:var(--text-muted)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink-900);border-radius:var(--radius-block);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:var(--paper);
}
.cta-band h2{color:var(--paper);font-size:clamp(20px,2vw,26px);line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(247,244,239,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);margin-top:88px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand svg{stroke:var(--accent)}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,244,239,.72);max-width:280px}
.footer-col h3{font-size:15px;font-family:var(--font-sans);font-weight:600;color:var(--paper);margin-bottom:18px}
.footer-col ul li+li{margin-top:12px}
.footer-col a,.footer-col span{font-size:14px;line-height:1.7;color:rgba(247,244,239,.72);transition:color 200ms var(--ease)}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 32px;border-top:1px solid rgba(247,244,239,.14);
}
.footer-bottom p{font-size:13px;color:rgba(247,244,239,.72)}
.back-top{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,244,239,.14);border-radius:10px;transition:all 200ms var(--ease);
}
.back-top svg{width:18px;height:18px;fill:none;stroke:var(--paper);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.back-top:hover{border-color:var(--accent);background:rgba(194,112,58,.16)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .section{padding:64px 0}
  .channel{grid-template-columns:160px 1fr auto;gap:16px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .header-inner{height:56px}
  .site-header.is-scrolled .header-inner{height:56px}
  .page-hero{padding:24px 0 32px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .channel{grid-template-columns:1fr;gap:8px}
  .channel .arrow{display:none}
  .footer-main{grid-template-columns:1fr;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .faq-a p{padding-right:0}
}
@media (max-width:560px){
  .brand-text{font-size:17px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;gap:12px}
  .card-body{padding:18px}
}