/* roulang page: index */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--c-primary);color:#F7F4EE;padding:10px 18px;border-radius:0 0 var(--radius-btn) 0;
}
.skip-link:focus{left:0;}

/* ---------- 公告条 ---------- */
.notice-bar{background:var(--c-primary);color:#F7F4EE;font-size:13px;}
.notice-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.notice-bar a{color:#F5E4D8;display:inline-flex;align-items:center;gap:6px;transition:color .2s var(--ease);}
.notice-bar a:hover{color:#fff;}
.notice-arrow{transition:transform .2s var(--ease);}
.notice-bar a:hover .notice-arrow{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;column-gap:20px;
}
.nav-left{display:flex;align-items:center;gap:26px;}
.nav-right{display:flex;align-items:center;gap:26px;justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-accent);transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:18px;}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F7F4EE;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  align-items:center;justify-content:center;border:1px solid var(--c-line);background:var(--c-surface);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--c-accent);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);margin:3px 0;border-radius:2px;}
.search-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.search-btn:hover{border-color:var(--c-accent);color:var(--c-accent);}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#F7F4EE;border-radius:var(--radius-btn);
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);
  border-radius:var(--radius-btn);padding:12px 25px;font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;}
.link-cta{
  position:relative;display:inline-block;color:var(--c-primary);font-size:14px;font-weight:600;
  padding-bottom:3px;
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--c-accent);
  transition:width .24s var(--ease);
}
.link-cta:hover::after{width:100%;}
.link-cta:hover{color:var(--c-accent);}

/* ---------- 印章标签 / 徽章 ---------- */
.seal{
  display:inline-block;border:2px solid var(--c-primary);color:var(--c-primary);
  padding:5px 12px;font-size:13px;font-weight:600;letter-spacing:.08em;line-height:1.3;
}
.badge-square{
  display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);
  background:var(--c-accent-soft);
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:3px;line-height:1.4;
}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--radius-pill);padding:5px 14px;font-size:13px;font-weight:600;
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 84px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(28,59,51,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(28,59,51,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.hero .container{position:relative;}
.hero-grid{display:grid;grid-template-columns:55% 45%;gap:48px;align-items:center;}
.hero-title{
  font-size:50px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);
  margin:20px 0 18px;
}
.hero-sub{font-size:18px;line-height:1.9;color:var(--c-ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2);}
.hero-meta .dot{color:var(--c-line);}
.hero-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(28,59,51,.18);}
.hero-index{
  position:absolute;right:18px;bottom:12px;z-index:2;color:rgba(247,244,238,.86);
  font-size:56px;font-weight:800;line-height:1;letter-spacing:-.02em;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:30px;font-weight:650;line-height:1.35;color:var(--c-ink);}
.section-desc{font-size:15px;color:var(--c-ink-2);margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-accent);
  letter-spacing:.16em;margin-bottom:10px;
}

/* ---------- 目录行 ---------- */
.dir-list{border-top:1px solid var(--c-line);}
.dir-row{
  display:grid;grid-template-columns:64px 1fr 32px;gap:20px;align-items:center;
  padding:22px 16px 22px 8px;border-bottom:1px solid var(--c-line);
  transition:background .2s var(--ease);
}
.dir-row:hover{background:rgba(228,237,232,.55);}
.dir-num{
  width:48px;height:48px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;border-radius:6px;letter-spacing:.02em;
}
.dir-body h3{font-size:20px;font-weight:600;color:var(--c-ink);transition:color .2s var(--ease);}
.dir-row:hover .dir-body h3{color:var(--c-primary);}
.dir-body p{font-size:15px;color:var(--c-ink-2);margin-top:4px;line-height:1.75;}
.dir-meta{font-size:13px;color:var(--c-ink-2);margin-top:8px;}
.dir-arrow{font-size:18px;color:var(--c-ink-2);transition:transform .2s var(--ease),color .2s var(--ease);}
.dir-row:hover .dir-arrow{transform:translateX(4px);color:var(--c-accent);}

/* ---------- 精选 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-cover{aspect-ratio:16/10;overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:24px;}
.card-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:12px 0 10px;color:var(--c-ink);}
.card-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:13px;color:var(--c-ink-2);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.strip-card{
  display:grid;grid-template-columns:40% 1fr;gap:18px;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;padding:16px;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.strip-card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.strip-card figure{border-radius:10px;overflow:hidden;}
.strip-card figure img{width:100%;height:100%;object-fit:cover;}
.strip-card h3{font-size:17px;font-weight:600;line-height:1.5;margin:8px 0 6px;}
.strip-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75;}

/* ---------- 最新信息（CMS） ---------- */
.news-list{border-top:1px solid var(--c-line);}
.news-row{
  display:block;border-bottom:1px solid var(--c-line);border-left:3px solid transparent;
  padding:22px 16px;transition:border-left-color .2s var(--ease),background .2s var(--ease);
}
.news-row:hover{border-left-color:var(--c-accent);background:rgba(228,237,232,.42);}
.news-row h3{
  font-size:18px;font-weight:600;color:var(--c-ink);margin:10px 0 6px;line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  transition:color .2s var(--ease);
}
.news-row:hover h3{color:var(--c-primary);}
.news-summary{
  font-size:15px;color:var(--c-ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:12px;font-size:13px;color:var(--c-ink-2);}
.news-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;border:1px dashed var(--c-line);border-radius:var(--radius-card);
  background:var(--c-surface);text-align:center;padding:32px 20px;
}
.news-empty .empty-icon{
  width:44px;height:44px;border-radius:8px;background:var(--c-accent-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-accent);font-weight:800;
}
.news-empty p{font-size:15px;color:var(--c-ink-2);}

/* ---------- 图文专题 ---------- */
.story{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:72px;}
.story:last-child{margin-bottom:0;}
.story.reverse .story-figure{order:2;}
.story-figure{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:4/3;}
.story-figure img{width:100%;height:100%;object-fit:cover;}
.story-text h3{font-size:24px;font-weight:650;line-height:1.45;margin:14px 0 14px;color:var(--c-ink);}
.story-text p{font-size:16px;color:var(--c-ink-2);line-height:1.9;margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--c-ink);line-height:1.9;margin-bottom:6px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--c-accent);border-radius:1px;
}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);padding:48px 40px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat-item{border-left:1px solid rgba(247,244,238,.16);padding-left:24px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:38px;font-weight:800;line-height:1.2;letter-spacing:-.02em;color:#F7F4EE;}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:#C25E2A;}
.stat-label{font-size:13px;color:rgba(247,244,238,.7);margin-top:8px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);}
.faq summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;gap:14px;
  padding:14px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-primary);}
.faq-mark{width:6px;height:6px;background:var(--c-primary);flex:0 0 6px;}
.faq-icon{
  margin-left:auto;font-size:20px;color:var(--c-accent);line-height:1;
  transition:transform .24s var(--ease);
}
.faq details[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 4px 24px 20px;max-width:760px;font-size:16px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h3{font-size:22px;font-weight:650;line-height:1.5;color:#F7F4EE;}
.cta-band .cta-note{font-size:13px;color:rgba(247,244,238,.7);margin-top:8px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:#121A16;border-radius:var(--radius-btn);
  padding:13px 26px;font-size:15px;font-weight:700;line-height:1;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,244,238,.55);color:#F7F4EE;border-radius:var(--radius-btn);
  padding:12px 25px;font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.btn-outline-light:hover{background:rgba(247,244,238,.1);border-color:#F7F4EE;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#F7F4EE;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .brand-mark{background:#C25E2A;color:#121A16;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand p{font-size:14px;color:rgba(247,244,238,.7);line-height:1.9;margin-top:16px;max-width:300px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px;color:#F7F4EE;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:flex;gap:10px;margin-top:16px;}
.subscribe-form input{
  flex:1 1 68%;min-width:0;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(247,244,238,.28);background:rgba(247,244,238,.06);color:#F7F4EE;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.5);}
.subscribe-form input:focus{
  outline:none;border-color:#F7F4EE;box-shadow:0 0 0 2px rgba(194,94,42,.55);
}
.subscribe-form .btn-accent{flex:1 1 32%;padding:0 18px;height:48px;}
.form-hint{font-size:13px;color:rgba(247,244,238,.55);margin-top:10px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,238,.16);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom a{color:rgba(247,244,238,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);
  transform:translateX(100%);transition:transform .28s var(--ease);z-index:90;
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:18px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent);}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 4px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:10px;}
.drawer-nav a.active{color:var(--c-primary);font-weight:700;}
.drawer-cta{margin-top:26px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .hero-title{font-size:44px;}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:inline-flex;flex-direction:column;}
  .nav-wrap{grid-template-columns:auto 1fr auto;}
  .brand{justify-self:center;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:-1;aspect-ratio:16/9;}
  .hero-title{font-size:36px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;}
  .story{grid-template-columns:1fr;gap:28px;margin-bottom:56px;}
  .story.reverse .story-figure{order:0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .hero-title{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-index{font-size:40px;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .dir-row{grid-template-columns:44px 1fr 22px;gap:12px;padding:16px 6px;}
  .dir-num{width:38px;height:38px;font-size:14px;}
  .dir-body h3{font-size:17px;}
  .dir-body p{display:none;}
  .strip-card{grid-template-columns:1fr;}
  .strip-card figure{aspect-ratio:16/10;}
  .card-body{padding:20px;}
  .story-text h3{font-size:20px;}
  .stat-band{padding:32px 22px;}
  .stat-grid{grid-template-columns:1fr;gap:22px;}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(247,244,238,.16);padding-top:16px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .faq-answer{padding-left:12px;}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input,.subscribe-form .btn-accent{flex:1 1 auto;width:100%;}
  .hero-actions a{width:100%;}
}
@media (hover:none){
  .card:hover,.strip-card:hover,.btn-primary:hover,.btn-ghost:hover,.btn-accent:hover{transform:none;}
}

/* roulang page: article */
:root{
    --c-primary:#1C3B33;
    --c-primary-deep:#142C26;
    --c-primary-soft:#E4EDE8;
    --c-accent:#C25E2A;
    --c-accent-soft:#F5E4D8;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-dark:#121A16;
    --c-ink:#161A18;
    --c-ink-2:#55605B;
    --c-line:#E3DDD2;
    --shadow-1:0 1px 2px rgba(22,26,24,.05);
    --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-pill:999px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
    font-size:17px;
    line-height:1.9;
    text-align:left;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font-family:inherit;font-size:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .num{font-variant-numeric:tabular-nums;}
  .container{max-width:1240px;margin:0 auto;padding:0 32px;}
  .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;}
  .skip-link{position:absolute;left:16px;top:-60px;background:var(--c-primary);color:#F7F4EE;padding:10px 18px;border-radius:var(--radius-btn);z-index:200;transition:top .2s var(--ease);}
  .skip-link:focus{top:12px;}
  a:focus-visible,button:focus-visible,input:focus-visible,.dir-row:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(247,244,238,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--c-line);
  }
  .nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:72px;}
  .nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;
    transition:color 200ms var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:-4px;width:0;height:2px;
    background:var(--c-accent);transform:translateX(-50%);
    transition:width 200ms var(--ease);
  }
  .nav-link:hover{color:var(--c-primary);}
  .nav-link:hover::after{width:18px;}
  .nav-link.active{color:var(--c-primary);font-weight:600;}
  .nav-link.active::after{width:18px;}
  .brand{display:inline-flex;align-items:center;gap:10px;}
  .brand-mark{
    width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F7F4EE;
    display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.02em;
  }
  .brand-text{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;}
  .brand-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--c-primary);color:#F7F4EE;border:1px solid var(--c-primary);
    border-radius:var(--radius-btn);padding:9px 20px;font-size:14px;font-weight:600;
    transition:background 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .nav-cta:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .nav-cta:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
  .nav-icon-btn{
    width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--c-line);background:var(--c-surface);
    color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
    transition:border-color 200ms var(--ease),background 200ms var(--ease);
  }
  .nav-icon-btn:hover{border-color:var(--c-accent);background:var(--c-primary-soft);}
  .hamburger{
    display:none;width:40px;height:40px;border:1px solid var(--c-line);background:var(--c-surface);
    border-radius:var(--radius-btn);align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(18,26,22,.5);opacity:0;pointer-events:none;
    transition:opacity 220ms var(--ease);z-index:120;
  }
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);
    transform:translateX(102%);transition:transform 280ms var(--ease);z-index:130;
    display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--radius-btn);background:var(--c-surface);color:var(--c-primary);font-size:18px;line-height:1;}
  .drawer-close:hover{border-color:var(--c-accent);background:var(--c-primary-soft);}
  .drawer nav{display:flex;flex-direction:column;}
  .drawer nav a{
    padding:15px 4px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
    transition:color 200ms var(--ease),padding-left 200ms var(--ease);
  }
  .drawer nav a:hover{color:var(--c-accent);padding-left:10px;}
  .drawer-foot{margin-top:auto;padding-top:24px;}
  body.no-scroll{overflow:hidden;}

  /* ---------- 通用按钮 ---------- */
  .btn-primary{
    display:inline-flex;align-items:center;gap:8px;background:var(--c-primary);color:#F7F4EE;
    border:1px solid var(--c-primary);border-radius:var(--radius-btn);padding:13px 26px;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:background 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2);}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--c-primary);
    border:1px solid var(--c-primary);border-radius:var(--radius-btn);padding:13px 26px;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:background 200ms var(--ease),transform 200ms var(--ease);
  }
  .btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-accent{
    display:inline-flex;align-items:center;justify-content:center;background:var(--c-accent);color:#121A16;
    border:1px solid var(--c-accent);border-radius:var(--radius-btn);padding:12px 24px;
    font-size:15px;font-weight:700;cursor:pointer;
    transition:filter 200ms var(--ease),transform 200ms var(--ease);
  }
  .btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);}
  .btn-accent:active{transform:translateY(0);}
  .btn-ghost-light{
    display:inline-flex;align-items:center;justify-content:center;background:transparent;color:#F7F4EE;
    border:1px solid rgba(247,244,238,.5);border-radius:var(--radius-btn);padding:12px 24px;
    font-size:15px;font-weight:600;cursor:pointer;transition:background 200ms var(--ease),border-color 200ms var(--ease);
  }
  .btn-ghost-light:hover{background:rgba(247,244,238,.12);border-color:#F7F4EE;}
  .link-cta{
    display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;position:relative;
  }
  .link-cta::after{
    content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--c-accent);
    transition:width 200ms var(--ease);
  }
  .link-cta:hover::after{width:100%;}
  .link-cta:hover{color:var(--c-accent);}

  /* ---------- 面包屑 ---------- */
  .crumb-bar{padding:22px 0 0;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);}
  .crumb a{transition:color 200ms var(--ease);}
  .crumb a:hover{color:var(--c-accent);}
  .crumb .sep{color:#B9B2A6;}
  .crumb .current{color:var(--c-primary);font-weight:600;}

  /* ---------- 文章头 ---------- */
  .article-head{padding:28px 0 0;max-width:860px;}
  .badge-square{
    display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);
    border-radius:2px;padding:3px 10px;font-size:12px;font-weight:600;letter-spacing:.04em;background:transparent;
  }
  .article-title{
    margin-top:18px;font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;
    font-size:13px;color:var(--c-ink-2);
  }
  .meta-row span{display:inline-flex;align-items:center;gap:6px;}
  .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block;}
  .lead-box{
    position:relative;margin:30px 0 0;padding:20px 24px;background:var(--c-primary-soft);
    border-left:3px solid var(--c-accent);border-radius:0 var(--radius-card) var(--radius-card) 0;
    font-size:17px;line-height:1.9;color:#2C3A34;
  }

  /* ---------- 正文阅读区 ---------- */
  .article-main{padding:44px 0 72px;}
  .article-shell{max-width:780px;margin:0 auto;}
  .article-body{font-size:17px;line-height:1.95;color:var(--c-ink);}
  .article-body p{margin:0 0 1.2em;}
  .article-body h2{
    font-size:26px;font-weight:650;line-height:1.4;color:var(--c-ink);
    margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);
  }
  .article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:34px 0 12px;color:var(--c-ink);}
  .article-body h4{font-size:18px;font-weight:600;margin:26px 0 10px;color:var(--c-primary);}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
  .article-body ul{list-style:disc;}
  .article-body ol{list-style:decimal;}
  .article-body li{margin:0 0 8px;}
  .article-body li::marker{color:var(--c-accent);}
  .article-body blockquote{
    margin:28px 0;padding:18px 22px;background:var(--c-primary-soft);
    border-left:4px solid var(--c-primary);border-radius:0 var(--radius-card) var(--radius-card) 0;
    color:#2C3A34;font-style:normal;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{max-width:100%;height:auto;border-radius:var(--radius-img);margin:28px auto;}
  .article-body figure{margin:28px 0;}
  .article-body figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px;}
  .article-body a{color:var(--c-primary);border-bottom:1px solid var(--c-accent);transition:border-bottom-width .18s var(--ease),color .18s var(--ease);}
  .article-body a:hover{color:var(--c-accent);border-bottom-width:2px;}
  .article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--c-line);}
  .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
  .article-body th{background:var(--c-primary-soft);font-weight:600;}
  .article-body hr{border:0;border-top:1px solid var(--c-line);margin:38px 0;}
  .article-body code{
    background:var(--c-primary-soft);border-radius:6px;padding:2px 6px;font-size:15px;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  .article-body pre{
    background:#142C26;color:#E4EDE8;padding:18px 20px;border-radius:var(--radius-card);
    overflow-x:auto;margin:26px 0;font-size:14px;line-height:1.8;
  }
  .article-body pre code{background:transparent;padding:0;color:inherit;}

  .empty-state{
    min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
    border:1px dashed var(--c-line);border-radius:var(--radius-card);background:var(--c-surface);
    padding:48px 24px;text-align:center;
  }
  .empty-icon{
    width:56px;height:56px;border-radius:2px;border:2px solid var(--c-primary-soft);background:var(--c-accent-soft);
    display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:20px;font-weight:700;
  }
  .empty-state p{font-size:16px;color:var(--c-ink-2);}

  /* ---------- 标签行 ---------- */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--c-line);}
  .tag{
    display:inline-flex;align-items:center;font-size:13px;color:var(--c-primary);background:var(--c-surface);
    border:1px solid var(--c-line);border-radius:var(--radius-pill);padding:6px 14px;
    transition:border-color 200ms var(--ease),color 200ms var(--ease),background 200ms var(--ease);
  }
  .tag:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft);}

  /* ---------- 收藏 / 分享带 ---------- */
  .cta-band{
    margin:56px 0 0;background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);
    padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  }
  .cta-band h3{font-size:22px;font-weight:650;color:#F7F4EE;}
  .cta-band p{margin-top:8px;font-size:14px;color:rgba(247,244,238,.72);}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .cta-note{width:100%;font-size:13px;color:rgba(247,244,238,.55);margin-top:4px;}

  /* ---------- 相关推荐 ---------- */
  .section{padding:72px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
  .section-title{font-size:30px;font-weight:650;letter-spacing:-.01em;color:var(--c-ink);}
  .section-sub{margin-top:8px;font-size:14px;color:var(--c-ink-2);}
  .news-row{
    display:block;padding:22px 20px;border-top:1px solid var(--c-line);
    border-left:3px solid transparent;background:transparent;
    transition:border-left-color 200ms var(--ease),background 200ms var(--ease);
  }
  .news-row:last-child{border-bottom:1px solid var(--c-line);}
  .news-row:hover{border-left-color:var(--c-accent);background:rgba(228,237,232,.42);}
  .news-row:hover .news-title{color:var(--c-primary);}
  .news-inner{display:flex;align-items:flex-start;gap:18px;}
  .news-body{flex:1;min-width:0;}
  .news-title{
    font-size:18px;font-weight:600;color:var(--c-ink);margin-top:12px;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
    transition:color 200ms var(--ease);
  }
  .news-sum{
    margin-top:8px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-meta{display:flex;align-items:center;gap:14px;margin-top:12px;font-size:13px;color:var(--c-ink-2);}
  .news-arrow{
    flex:0 0 auto;color:var(--c-ink-2);font-size:18px;line-height:1;
    transition:transform 200ms var(--ease),color 200ms var(--ease);margin-top:6px;
  }
  .news-row:hover .news-arrow{transform:translateX(4px);color:var(--c-accent);}

  .back-link-row{padding:0 0 72px;}
  .back-link-row .link-cta{font-size:15px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-dark);color:#F7F4EE;padding:64px 0 26px;margin-top:20px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand .brand-text{color:#F7F4EE;}
  .footer-brand .brand-mark{background:var(--c-accent);color:#121A16;}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);}
  .footer-title{font-size:15px;font-weight:650;color:#F7F4EE;margin-bottom:16px;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color 200ms var(--ease);}
  .footer-links a:hover{color:var(--c-accent);}
  .subscribe-form{display:flex;gap:10px;margin-top:14px;}
  .subscribe-form input{
    flex:1 1 68%;height:48px;padding:0 14px;border:1px solid rgba(247,244,238,.22);
    background:rgba(247,244,238,.06);color:#F7F4EE;border-radius:10px;font-size:14px;
    transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .subscribe-form input::placeholder{color:rgba(247,244,238,.45);}
  .subscribe-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(194,94,42,.28);}
  .subscribe-form .btn-accent{flex:1 1 32%;padding:0 16px;height:48px;}
  .form-hint{margin-top:10px;font-size:13px;color:rgba(247,244,238,.5);}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,244,238,.16);
    display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;color:rgba(247,244,238,.6);
  }
  .footer-bottom a{color:rgba(247,244,238,.8);border-bottom:1px solid transparent;transition:color 200ms var(--ease);}
  .footer-bottom a:hover{color:var(--c-accent);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{padding:0 28px;}
  }
  @media (max-width:1023px){
    .nav-left,.nav-right{display:none;}
    .hamburger{display:flex;}
    .nav-wrap{height:60px;}
    .brand-center{position:static;transform:none;}
    .nav-wrap{justify-content:space-between;}
    .article-title{font-size:36px;}
    .section{padding:64px 0;}
    .section-title{font-size:26px;}
    .cta-band{padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .article-title{font-size:32px;}
    .article-body{font-size:17px;}
    .article-body h2{font-size:23px;}
    .news-title{white-space:normal;font-size:17px;}
    .crumb-bar{padding-top:16px;}
    .article-head{padding-top:20px;}
    .article-main{padding:32px 0 56px;}
    .lead-box{padding:16px 18px;font-size:16px;}
  }
  @media (max-width:639px){
    .container{padding:0 18px;}
    .article-title{font-size:30px;}
    .cta-band{padding:28px 20px;flex-direction:column;align-items:flex-start;}
    .cta-actions{width:100%;}
    .cta-actions .btn-accent,.cta-actions .btn-ghost-light{flex:1 1 100%;}
    .footer-grid{grid-template-columns:1fr;}
    .subscribe-form{flex-direction:column;}
    .subscribe-form .btn-accent{width:100%;}
    .section{padding:48px 0;}
    .footer-bottom{flex-direction:column;}
  }
  @media (hover:none){
    .news-row:hover{background:transparent;border-left-color:transparent;}
    .news-row:hover .news-arrow{transform:none;}
    .btn-primary:hover,.btn-ghost:hover,.nav-cta:hover{transform:none;}
  }

/* roulang page: category1 */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.num{font-variant-numeric:tabular-nums;}
.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;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1240px;margin:0 auto;padding:0 32px;}

/* ============ 跳转链接 ============ */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#F7F4EE;padding:10px 18px;border-radius:0 0 8px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ============ 公告条 ============ */
.notice-bar{background:var(--c-primary);color:#F7F4EE;font-size:13px;}
.notice-bar .container{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.notice-bar a{color:#F7F4EE;border-bottom:1px solid rgba(247,244,238,.45);transition:border-color .2s var(--ease);}
.notice-bar a:hover{border-color:var(--c-accent);color:#fff;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,238,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);}
.nav-wrap{position:relative;height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{gap:22px;}
.nav-link{position:relative;font-size:15px;color:var(--c-ink);padding:6px 0;transition:color .2s var(--ease);}
.nav-link::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:0;height:2px;background:var(--c-accent);transition:width .2s var(--ease);}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:18px;}
.brand{position:absolute;left:50%;transform:translateX(-50%);display:inline-flex;align-items:center;gap:10px;padding:4px;}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F7F4EE;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;letter-spacing:.02em;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);white-space:nowrap;}
.nav-cta{padding:9px 18px;font-size:14px;}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);}
.menu-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(18,26,22,.5);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:80;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);z-index:90;transform:translateX(100%);transition:transform .3s var(--ease);padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:36px;height:36px;border:1px solid var(--c-line);background:transparent;border-radius:10px;font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink-2);transition:color .2s var(--ease),border-color .2s var(--ease);}
.drawer-close:hover{color:var(--c-accent);border-color:var(--c-accent);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;}
.drawer-nav a{padding:13px 4px;font-size:16px;border-bottom:1px solid var(--c-line);color:var(--c-ink);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.drawer-nav a:hover{color:var(--c-accent);padding-left:10px;}
.drawer-nav a.active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:18px;width:100%;}
body.no-scroll{overflow:hidden;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);padding:13px 26px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);}
.btn-primary{background:var(--c-primary);color:#F7F4EE;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#161A18;border-radius:var(--radius-btn);padding:12px 22px;font-size:14px;font-weight:700;border:0;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);}
.btn-accent:hover{background:#A94E1F;color:#F7F4EE;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-on-dark{background:var(--c-accent);color:#121A16;border-color:transparent;}
.btn-on-dark:hover{background:#A94E1F;color:#F7F4EE;}
.btn-line-light{background:transparent;border:1px solid rgba(247,244,238,.55);color:#F7F4EE;}
.btn-line-light:hover{background:rgba(247,244,238,.12);border-color:#F7F4EE;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;position:relative;padding-bottom:2px;}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--c-accent);transition:width .25s var(--ease);}
.text-link:hover{color:var(--c-accent);}
.text-link:hover::after{width:100%;}

/* ============ 分类页封面 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.16;}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(227,221,210,.55) 1px,transparent 1px),linear-gradient(180deg,rgba(227,221,210,.55) 1px,transparent 1px);background-size:64px 64px;opacity:.5;pointer-events:none;}
.page-hero-inner{position:relative;z-index:2;padding:34px 0 44px;}
.breadcrumb{font-size:13px;color:var(--c-ink-2);display:flex;align-items:center;gap:8px;margin-bottom:20px;}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}
.seal{display:inline-block;border:2px solid var(--c-primary);color:var(--c-primary);font-size:12px;font-weight:700;letter-spacing:.12em;padding:4px 9px;margin-bottom:18px;}
.page-hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:700;letter-spacing:-.01em;max-width:760px;}
.page-hero .hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:640px;}
.hero-facts{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2);}
.hero-facts li{display:flex;align-items:center;gap:10px;}
.hero-facts li:not(:last-child)::after{content:"·";color:var(--c-line);font-weight:700;}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 主体两栏 ============ */
.cat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;padding-top:64px;padding-bottom:72px;align-items:start;}
.anchor-col{position:sticky;top:96px;align-self:start;}
.anchor-title{font-size:13px;letter-spacing:.14em;color:var(--c-ink-2);font-weight:600;margin-bottom:14px;}
.anchor-list{border-left:1px solid var(--c-line);display:flex;flex-direction:column;}
.anchor-link{display:block;padding:9px 0 9px 16px;font-size:14.5px;color:var(--c-ink-2);border-left:2px solid transparent;margin-left:-1px;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);}
.anchor-link .num{margin-right:8px;color:var(--c-ink-2);font-size:13px;}
.anchor-link:hover{color:var(--c-primary);background:rgba(228,237,232,.5);}
.anchor-link.active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:rgba(228,237,232,.6);}
.anchor-card{margin-top:26px;border:1px solid var(--c-line);border-radius:var(--radius-card);background:var(--c-surface);box-shadow:var(--shadow-1);overflow:hidden;}
.anchor-card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.anchor-card-body{padding:16px;}
.anchor-card-body h3{font-size:15px;font-weight:600;margin-bottom:6px;}
.anchor-card-body p{font-size:13px;color:var(--c-ink-2);line-height:1.8;}
.anchor-card-body a{display:inline-block;margin-top:10px;font-size:13px;color:var(--c-primary);font-weight:600;}
.anchor-card-body a:hover{color:var(--c-accent);}

/* ============ 目录条目流 ============ */
.dir-section{margin-bottom:56px;scroll-margin-top:104px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:16px;border-bottom:2px solid var(--c-primary);}
.section-head h2{font-size:26px;font-weight:650;letter-spacing:-.01em;}
.section-head .head-note{font-size:13px;color:var(--c-ink-2);}
.section-desc{margin-top:14px;font-size:14.5px;color:var(--c-ink-2);max-width:720px;}
.dir-list{margin-top:8px;}
.dir-row{display:flex;align-items:flex-start;gap:20px;padding:22px 4px;border-bottom:1px solid var(--c-line);transition:background .2s var(--ease),border-color .2s var(--ease);}
.dir-row:hover{background:rgba(228,237,232,.55);}
.dir-num{flex:0 0 64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--c-primary-soft);color:var(--c-primary);font-size:20px;font-weight:800;border-radius:10px;}
.dir-body{flex:1 1 auto;min-width:0;}
.dir-body h3{font-size:19px;font-weight:600;line-height:1.5;transition:color .2s var(--ease);}
.dir-row:hover .dir-body h3{color:var(--c-primary);}
.dir-body .dir-sum{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);max-width:760px;}
.dir-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-2);}
.badge-square{display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);font-size:12px;padding:2px 8px;border-radius:4px;line-height:1.6;}
.badge-plain{display:inline-block;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;padding:2px 8px;border-radius:4px;line-height:1.6;}
.dir-points{margin-top:12px;display:grid;gap:6px;}
.dir-points li{position:relative;padding-left:16px;font-size:14px;color:var(--c-ink-2);}
.dir-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--c-primary);}
.dir-arrow{flex:0 0 auto;font-size:20px;color:var(--c-ink-2);transition:transform .2s var(--ease),color .2s var(--ease);align-self:center;}
.dir-row:hover .dir-arrow{transform:translateX(4px);color:var(--c-accent);}

/* ============ 深色数据带 ============ */
.digest-band{background:var(--c-dark);color:#F7F4EE;margin:0 0 72px;scroll-margin-top:104px;}
.digest-inner{padding:56px 0;}
.digest-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.digest-head h2{font-size:28px;font-weight:650;}
.digest-head p{font-size:14px;color:rgba(247,244,238,.68);margin-top:8px;max-width:620px;}
.digest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;border-top:1px solid rgba(247,244,238,.16);padding-top:28px;}
.digest-item .num-big{font-size:36px;font-weight:800;line-height:1.1;letter-spacing:-.02em;}
.digest-item .num-big span{font-size:16px;font-weight:600;margin-left:4px;}
.digest-item p{margin-top:8px;font-size:13px;color:rgba(247,244,238,.68);line-height:1.75;}
.digest-note{margin-top:28px;font-size:13px;color:rgba(247,244,238,.55);}

/* ============ 相关推荐（列表行） ============ */
.related{padding-bottom:72px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:2px solid var(--c-primary);margin-bottom:8px;}
.related-head h2{font-size:26px;font-weight:650;}
.news-row{display:block;padding:20px 4px;border-bottom:1px solid var(--c-line);border-left:3px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease);}
.news-row:hover{background:rgba(228,237,232,.55);border-left-color:var(--c-accent);}
.news-row .row-top{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.news-row h3{font-size:17px;font-weight:600;line-height:1.6;transition:color .2s var(--ease);}
.news-row:hover h3{color:var(--c-primary);}
.news-row .row-sum{margin-top:8px;font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .row-meta{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-2);}
.news-row .row-meta .go{color:var(--c-primary);font-weight:600;}
.news-row:hover .row-meta .go{color:var(--c-accent);}

/* ============ FAQ ============ */
.faq-section{padding-bottom:72px;}
.faq-section h2{font-size:26px;font-weight:650;padding-bottom:16px;border-bottom:2px solid var(--c-primary);}
.faq-list{margin-top:8px;border-bottom:1px solid var(--c-line);}
.faq-item{border-top:1px solid var(--c-line);}
.faq-item:first-child{border-top:0;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;min-height:56px;padding:16px 0;font-size:17px;font-weight:600;transition:color .2s var(--ease);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-mark{flex:0 0 6px;height:18px;background:var(--c-primary);}
.faq-plus{margin-left:auto;font-size:20px;line-height:1;color:var(--c-ink-2);transition:transform .2s var(--ease),color .2s var(--ease);}
.faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--c-accent);}
.faq-answer{max-width:760px;padding:0 0 22px 20px;font-size:15.5px;line-height:1.9;color:var(--c-ink-2);}
.faq-answer ul{margin-top:10px;display:grid;gap:6px;}
.faq-answer li{position:relative;padding-left:16px;}
.faq-answer li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--c-accent);}

/* ============ CTA 带 ============ */
.cta-wrap{padding-bottom:88px;}
.cta-band{background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{font-size:24px;font-weight:650;line-height:1.5;max-width:520px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-hint{width:100%;font-size:13px;color:rgba(247,244,238,.6);border-top:1px solid rgba(247,244,238,.16);padding-top:18px;margin-top:4px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#F7F4EE;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{position:static;transform:none;padding:0;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand .brand-mark{background:#F7F4EE;color:var(--c-primary);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:340px;}
.footer-title{font-size:15px;font-weight:650;margin-bottom:16px;color:#F7F4EE;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:flex;gap:10px;margin-top:14px;}
.subscribe-form input{flex:1 1 68%;height:48px;padding:0 14px;border:1px solid rgba(247,244,238,.28);border-radius:var(--radius-btn);background:rgba(247,244,238,.06);color:#F7F4EE;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.subscribe-form input::placeholder{color:rgba(247,244,238,.45);}
.subscribe-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(194,94,42,.28);}
.subscribe-form .btn-accent{flex:1 1 32%;}
.form-hint{margin-top:10px;font-size:12.5px;color:rgba(247,244,238,.5);}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(247,244,238,.16);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(247,244,238,.62);}
.footer-bottom a{color:rgba(247,244,238,.78);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .cat-layout{gap:36px;}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .nav-wrap{height:60px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .brand-text{font-size:16px;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:44px;padding-bottom:56px;}
  .anchor-col{position:static;}
  .anchor-list{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--c-line);gap:6px;padding-bottom:4px;}
  .anchor-link{border-left:0;border-bottom:2px solid transparent;white-space:nowrap;padding:10px 14px;margin-left:0;}
  .anchor-link.active{border-left:0;border-bottom-color:var(--c-primary);}
  .anchor-card{display:none;}
  .digest-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:32px;}
  .dir-section{margin-bottom:44px;}
}
@media (max-width:767px){
  .page-hero-inner{padding:24px 0 34px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px;}
  .section-head h2,.related-head h2,.faq-section h2{font-size:22px;}
  .dir-row{gap:14px;padding:18px 2px;}
  .dir-num{flex:0 0 48px;height:48px;font-size:16px;border-radius:8px;}
  .dir-body h3{font-size:17px;}
  .dir-body .dir-sum{font-size:14px;}
  .digest-inner{padding:44px 0;}
  .digest-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .digest-head h2{font-size:23px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn-accent{width:100%;}
  .related,.faq-section,.cta-wrap{padding-bottom:56px;}
  .digest-band{margin-bottom:56px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .digest-grid{grid-template-columns:1fr;}
  .dir-row{flex-wrap:wrap;}
  .dir-num{flex:0 0 40px;height:40px;font-size:14px;}
  .faq-item summary{font-size:15.5px;}
  .faq-answer{padding-left:20px;font-size:15px;}
}
@media (hover:none){
  .dir-row:hover,.news-row:hover{background:transparent;}
  .dir-row:hover .dir-arrow{transform:none;color:var(--c-ink-2);}
  .btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
input,button{font-size:inherit;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.tnum{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--c-primary);color:var(--c-bg);
  padding:10px 18px;border-radius:var(--radius-btn);z-index:200;
}
.skip-link:focus{left:16px;top:12px;}

/* ============ 顶部公告条 ============ */
.topbar{background:var(--c-primary);color:var(--c-bg);font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar a{color:var(--c-bg);border-bottom:1px solid rgba(247,244,238,.4);transition:border-color 200ms var(--ease);}
.topbar a:hover{border-color:var(--c-accent);color:#fff;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;gap:20px;}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:6px 0;transition:color 200ms var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-accent);transition:width 200ms var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:18px;}

.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:var(--c-bg);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;}

.icon-btn{
  width:36px;height:36px;border-radius:var(--radius-btn);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color 200ms var(--ease),background 200ms var(--ease),transform 200ms var(--ease);
}
.icon-btn:hover{border-color:var(--c-accent);background:var(--c-accent-soft);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary{background:var(--c-primary);color:#F7F4EE;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.25);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-accent{background:var(--c-accent);color:#1A1613;font-weight:600;border:none;padding:13px 22px;border-radius:var(--radius-btn);cursor:pointer;transition:filter 200ms var(--ease),transform 200ms var(--ease);}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}

.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:var(--c-surface);cursor:pointer;padding:0;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,26,22,.5);opacity:0;pointer-events:none;
  transition:opacity 200ms var(--ease);z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);
  transform:translateX(100%);transition:transform 240ms var(--ease);z-index:100;
  padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto;}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line);}
.drawer-close{background:none;border:1px solid var(--c-line);border-radius:var(--radius-btn);width:34px;height:34px;cursor:pointer;color:var(--c-primary);font-size:16px;line-height:1;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--c-line);color:var(--c-ink);font-size:15px;
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.drawer a.drawer-link:hover{color:var(--c-primary);padding-left:10px;}
.drawer .drawer-cta{margin-top:18px;}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:18px 0 0;}
.breadcrumb a{transition:color 200ms var(--ease);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ============ 分类封面区 ============ */
.cat-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  margin-top:20px;min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(20,44,38,.90) 0%,rgba(20,44,38,.72) 52%,rgba(28,59,51,.44) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero-inner{padding:52px 56px;max-width:720px;}
.seal{
  display:inline-flex;align-items:center;justify-content:center;
  border:2px solid rgba(247,244,238,.75);color:#F7F4EE;padding:5px 12px;
  font-size:12px;letter-spacing:.14em;border-radius:2px;
}
.cat-hero h1{
  color:#F7F4EE;font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  margin:20px 0 14px;
}
.cat-hero h1 span{color:#F0C9A8;}
.cat-hero p{color:rgba(247,244,238,.82);font-size:17px;line-height:1.8;max-width:600px;}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;font-size:13px;color:rgba(247,244,238,.72);}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.dot-sep::before{content:"·";margin-right:8px;color:rgba(247,244,238,.5);}

/* ============ 锚点目录 ============ */
.anchor-bar{
  position:sticky;top:72px;z-index:40;background:rgba(247,244,238,.94);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line);
  margin-top:28px;
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:8px 18px;border:1px solid var(--c-line);border-radius:var(--radius-pill);
  font-size:14px;color:var(--c-ink-2);background:var(--c-surface);
  transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
}
.anchor-pill:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);}
.anchor-pill.on{background:var(--c-primary);border-color:var(--c-primary);color:#F7F4EE;font-weight:600;}

/* ============ 主体分栏 ============ */
.layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:40px;padding:56px 0 0;align-items:start;}
.side-sticky{position:sticky;top:150px;display:flex;flex-direction:column;gap:20px;}
.side-figure{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-surface);box-shadow:var(--shadow-1);
}
.side-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.side-figure figcaption{padding:12px 16px;font-size:13px;color:var(--c-ink-2);border-top:1px solid var(--c-line);}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.info-card h3{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.info-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:14px;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line);}
.info-list li:last-child{border-bottom:none;}
.info-list li strong{color:var(--c-ink);font-weight:600;}

.section-head{margin-bottom:26px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:650;color:var(--c-ink);letter-spacing:-.005em;}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:640px;}
.section-head .rule{width:52px;height:3px;background:var(--c-accent);margin-top:16px;border-radius:2px;}

/* ============ 横条条目标 ============ */
.row-card{
  display:flex;gap:0;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
  margin-bottom:24px;
}
.row-card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.row-card.rev{flex-direction:row-reverse;}
.row-card .thumb{flex:0 0 40%;overflow:hidden;background:var(--c-primary-soft);}
.row-card .thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform 300ms var(--ease);}
.row-card:hover .thumb img{transform:scale(1.03);}
.row-card .body{padding:26px 28px;flex:1 1 auto;min-width:0;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--c-accent);
  border:1px solid var(--c-accent);border-radius:2px;padding:3px 9px;
}
.row-card h3{font-size:20px;font-weight:600;color:var(--c-ink);margin:14px 0 10px;line-height:1.5;}
.row-card p.desc{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;
  background:var(--c-primary-soft);border:1px solid var(--c-primary);border-radius:1px;
}
.row-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--c-ink-2);}
.row-meta .arrow-link{
  color:var(--c-primary);font-weight:600;border-bottom:1px solid var(--c-accent);
  display:inline-flex;align-items:center;gap:6px;transition:color 200ms var(--ease),gap 200ms var(--ease);
}
.row-meta .arrow-link:hover{color:var(--c-accent);gap:10px;}

/* ============ 版本分层表 ============ */
.tier-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);margin-top:8px;
}
table.tier{width:100%;border-collapse:collapse;font-size:15px;}
table.tier th,table.tier td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
table.tier thead th{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;font-size:14px;}
table.tier tbody tr:last-child td{border-bottom:none;}
table.tier tbody tr:hover{background:rgba(228,237,232,.45);}
table.tier td:first-child{font-weight:600;color:var(--c-ink);}

/* ============ 图文段落 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin-top:34px;}
.split img{border-radius:var(--radius-img);width:100%;aspect-ratio:4/3;object-fit:cover;}
.split h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.split p{font-size:15px;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq{margin-top:10px;border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;font-size:17px;font-weight:600;color:var(--c-ink);padding:12px 0;
  transition:color 200ms var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{content:"";width:6px;height:6px;background:var(--c-primary);border-radius:1px;flex:0 0 auto;}
.faq summary:hover{color:var(--c-primary);}
.faq summary .plus{
  margin-left:auto;font-size:20px;font-weight:400;color:var(--c-accent);line-height:1;
  transition:transform 200ms var(--ease);
}
.faq details[open] summary .plus{transform:rotate(45deg);}
.faq .answer{padding:0 0 22px 20px;max-width:760px;font-size:15px;color:var(--c-ink-2);line-height:1.9;}
.faq .answer ul{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.faq .answer li{position:relative;padding-left:16px;}
.faq .answer li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--c-accent);border-radius:1px;}

/* ============ 相关推荐 ============ */
.rel-list{border-top:1px solid var(--c-line);margin-top:14px;}
.rel-row{
  display:flex;align-items:center;gap:18px;padding:20px 4px;border-bottom:1px solid var(--c-line);
  transition:background 200ms var(--ease),padding-left 200ms var(--ease);
}
.rel-row:hover{background:rgba(228,237,232,.5);padding-left:10px;}
.rel-row .num{font-size:15px;font-weight:800;color:var(--c-primary-soft);font-variant-numeric:tabular-nums;flex:0 0 34px;}
.rel-row .txt{flex:1 1 auto;min-width:0;}
.rel-row h3{font-size:16px;font-weight:600;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rel-row p{font-size:13px;color:var(--c-ink-2);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rel-row .go{color:var(--c-ink-2);transition:transform 200ms var(--ease),color 200ms var(--ease);flex:0 0 auto;}
.rel-row:hover .go{transform:translateX(4px);color:var(--c-accent);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);
  padding:40px;margin:64px 0 0;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:24px;font-weight:650;line-height:1.4;}
.cta-band p{font-size:14px;color:rgba(247,244,238,.7);margin-top:8px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-ghost-light{
  background:transparent;border:1px solid rgba(247,244,238,.55);color:#F7F4EE;
  padding:13px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;
  transition:background 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.btn-ghost-light:hover{background:rgba(247,244,238,.12);border-color:#F7F4EE;transform:translateY(-1px);}
.cta-band .band-note{width:100%;font-size:13px;color:rgba(247,244,238,.55);border-top:1px solid rgba(247,244,238,.16);padding-top:16px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#F7F4EE;margin-top:88px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand .brand-mark{background:#F7F4EE;color:var(--c-primary);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:#F7F4EE;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color 200ms var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:flex;gap:10px;margin-top:14px;}
.subscribe-form input{
  flex:1 1 68%;height:48px;border-radius:var(--radius-btn);border:1px solid rgba(247,244,238,.24);
  background:rgba(247,244,238,.06);color:#F7F4EE;padding:0 14px;font-size:14px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.45);}
.subscribe-form input:focus{outline:none;border-color:#F7F4EE;box-shadow:0 0 0 2px rgba(247,244,238,.18);}
.form-hint{font-size:13px;color:rgba(247,244,238,.55);margin-top:10px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,244,238,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom a{color:rgba(247,244,238,.8);border-bottom:1px solid rgba(247,244,238,.3);transition:color 200ms var(--ease),border-color 200ms var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .layout{grid-template-columns:320px minmax(0,1fr);gap:32px;}
}
@media (max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr auto;height:60px;}
  .nav-left,.nav-right{display:none;}
  .brand{grid-column:2;justify-self:center;}
  .brand-mark{width:28px;height:28px;font-size:12px;}
  .hamburger{display:flex;grid-column:3;}
  .layout{grid-template-columns:1fr;gap:32px;padding-top:44px;}
  .side-sticky{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-figure{flex:1 1 260px;}
  .info-card{flex:1 1 260px;}
  .cat-hero h1{font-size:34px;}
  .anchor-bar{top:60px;}
  .split{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .cat-hero{border-radius:12px;}
  .cat-hero-inner{padding:34px 22px;}
  .cat-hero h1{font-size:30px;margin:16px 0 12px;}
  .cat-hero p{font-size:15px;}
  .section-head h2{font-size:24px;}
  .row-card,.row-card.rev{flex-direction:column;}
  .row-card .thumb{flex:0 0 auto;width:100%;}
  .row-card .thumb img{aspect-ratio:16/10;}
  .row-card .body{padding:20px;}
  .cta-band{padding:28px;margin-top:48px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn,.cta-actions .btn-accent,.cta-actions .btn-ghost-light{width:100%;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input{width:100%;}
  .subscribe-form .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .rel-row .num{flex:0 0 24px;}
}
@media (hover:none){
  .row-card:hover,.btn:hover,.btn-primary:hover,.btn-ghost:hover,.icon-btn:hover,.rel-row:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,button{font-size:inherit;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-primary);color:#F7F4EE;
  padding:10px 18px;border-radius:0 0 var(--radius-btn) 0;font-size:14px;
}
.skip-link:focus{left:0;}

:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

/* ---------- 品牌标识 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--c-primary);color:#F7F4EE;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;flex:none;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.06em;color:var(--c-primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;}
.nav-left{display:flex;align-items:center;gap:24px;}
.header-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-links-right{display:flex;align-items:center;gap:22px;}

.nav-link{
  position:relative;
  font-size:15px;color:var(--c-ink-2);
  padding:6px 0;
  transition:color 200ms var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;
  transform:translateX(-50%);
  width:18px;height:2px;background:var(--c-accent);border-radius:2px;
}

.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#F7F4EE;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.25);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(28,59,51,.18);}
.btn-accent{
  background:var(--c-accent);color:#121A16;border:none;
  border-radius:var(--radius-btn);padding:0 22px;height:48px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color 200ms var(--ease),transform 200ms var(--ease);
}
.btn-accent:hover{background:#A94E20;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}

.link-cta{
  position:relative;display:inline-block;
  color:var(--c-primary);font-size:14px;font-weight:600;padding-bottom:2px;
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:1px;background:var(--c-accent);
  transition:width 200ms var(--ease);
}
.link-cta:hover::after{width:100%;}

/* ---------- 移动端抽屉 ---------- */
.menu-btn{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);
  border-radius:var(--radius-btn);background:var(--c-surface);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
.menu-btn:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}

.overlay{
  position:fixed;inset:0;background:rgba(18,26,22,.5);
  opacity:0;pointer-events:none;transition:opacity 200ms var(--ease);z-index:80;
}
.overlay.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;
  width:84vw;max-width:360px;background:var(--c-surface);
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  z-index:90;padding:22px 22px 32px;overflow-y:auto;
  box-shadow:-14px 0 34px -18px rgba(22,26,24,.35);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--c-line);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:18px;line-height:1;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.drawer-close:hover{border-color:var(--c-accent);background:var(--c-accent-soft);}
.drawer-list{margin-top:10px;}
.drawer-list a{
  display:block;padding:14px 4px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.drawer-list a:hover{color:var(--c-accent);padding-left:8px;}
.drawer-list a.active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}
body.lock{overflow:hidden;}

/* ---------- 封面区 ---------- */
.cover{padding:44px 0 0;}
.cover-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;align-items:center;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-2);margin-bottom:20px;
}
.breadcrumb a{transition:color 200ms var(--ease);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

.seal{
  display:inline-block;border:2px solid var(--c-primary);color:var(--c-primary);
  padding:4px 9px;font-size:12px;letter-spacing:.14em;border-radius:2px;
  margin-bottom:18px;
}
.cover h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);
}
.cover-sub{
  margin-top:18px;font-size:18px;color:var(--c-ink-2);line-height:1.85;max-width:640px;
}
.cover-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cover-tags{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:26px;font-size:13px;color:var(--c-ink-2);
}
.cover-tags .dot{color:var(--c-line);}
.cover-media{position:relative;}
.cover-media img{
  width:100%;height:300px;object-fit:cover;border-radius:var(--radius-img);
}
.cover-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  background:rgba(28,59,51,.18);pointer-events:none;
}
.cover-num{
  position:absolute;right:16px;bottom:12px;
  font-size:44px;font-weight:800;line-height:1;
  color:rgba(247,244,238,.82);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}

/* ---------- 锚点目录 ---------- */
.anchors{padding:36px 0 0;}
.anchor-row{
  display:flex;flex-wrap:wrap;gap:10px;
}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;color:var(--c-ink-2);
  transition:border-color 200ms var(--ease),color 200ms var(--ease),background-color 200ms var(--ease),transform 200ms var(--ease);
}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-1px);}
.anchor-pill .idx{font-size:12px;color:var(--c-accent);font-variant-numeric:tabular-nums;}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:30px;font-weight:650;letter-spacing:-.01em;color:var(--c-ink);
}
.section-head .sub{
  margin-top:8px;font-size:14px;color:var(--c-ink-2);
}

/* ---------- 宫格矩阵 ---------- */
.matrix{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;align-items:start;
}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.mx-feature{grid-column:span 2;}
.mx-feature .mx-body{padding:26px 26px 28px;}
.mx-feature img{width:100%;height:280px;object-fit:cover;}
.mx-title{font-size:20px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.mx-feature .mx-title{font-size:24px;}
.mx-desc{margin-top:10px;font-size:15px;color:var(--c-ink-2);line-height:1.9;}
.mx-points{margin-top:18px;display:grid;gap:8px;}
.mx-points li{
  position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);
}
.mx-points li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;background:var(--c-primary);border-radius:1px;
}
.mx-meta{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;
}
.mx-compact img{width:100%;height:160px;object-fit:cover;}
.mx-compact .mx-body{padding:18px 20px 20px;}
.mx-compact .mx-title{font-size:17px;}
.mx-compact .mx-meta{margin-top:12px;}
.mx-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.card:hover .mx-arrow{color:var(--c-accent);transform:translateX(4px);}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border-top:1px solid var(--c-line);
}
.step{
  padding:28px 24px 26px;
  border-right:1px solid var(--c-line);
  transition:background-color 200ms var(--ease);
}
.step:last-child{border-right:none;}
.step:hover{background:rgba(228,237,232,.5);}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:var(--c-primary-soft);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--c-ink);}
.step p{margin-top:8px;font-size:14px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- 列表行 ---------- */
.news-list{border-top:1px solid var(--c-line);}
.news-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:18px;align-items:center;
  padding:22px 18px;
  border-bottom:1px solid var(--c-line);
  border-left:3px solid transparent;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.news-row:hover{border-left-color:var(--c-accent);background:rgba(228,237,232,.45);}
.news-title{font-size:18px;font-weight:600;color:var(--c-ink);transition:color 200ms var(--ease);}
.news-row:hover .news-title{color:var(--c-primary);}
.news-desc{margin-top:6px;font-size:14px;color:var(--c-ink-2);line-height:1.85;max-width:760px;}
.news-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
.news-arrow{font-size:18px;color:var(--c-line);transition:color 200ms var(--ease),transform 200ms var(--ease);}
.news-row:hover .news-arrow{color:var(--c-accent);transform:translateX(4px);}

.badge-square{
  display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);
  padding:2px 8px;font-size:12px;border-radius:2px;line-height:1.6;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:16px 0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color 200ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary::before{
  content:"";width:6px;height:6px;background:var(--c-primary);flex:none;border-radius:1px;
}
.faq-mark{
  margin-left:auto;font-size:20px;line-height:1;color:var(--c-primary);
  transition:transform 200ms var(--ease);flex:none;
}
.faq-item[open] .faq-mark{transform:rotate(45deg);color:var(--c-accent);}
.faq-answer{
  padding:0 0 24px 0;max-width:760px;
  font-size:15px;color:var(--c-ink-2);line-height:1.95;
}
.faq-answer ul{margin-top:12px;display:grid;gap:8px;}
.faq-answer li{position:relative;padding-left:16px;}
.faq-answer li::before{
  content:"";position:absolute;left:0;top:12px;width:5px;height:5px;
  background:var(--c-accent);border-radius:1px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);color:#F7F4EE;
  border-radius:var(--radius-card);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:650;color:#F7F4EE;line-height:1.5;}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(247,244,238,.72);max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-on-dark{
  background:transparent;border:1px solid rgba(247,244,238,.5);color:#F7F4EE;
  border-radius:var(--radius-btn);padding:13px 24px;font-weight:600;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.btn-on-dark:hover{border-color:#F7F4EE;background:rgba(247,244,238,.1);}
.cta-note{width:100%;font-size:13px;color:rgba(247,244,238,.55);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--c-dark);color:#F7F4EE;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand .brand-mark{box-shadow:0 0 0 1px rgba(247,244,238,.25);}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:320px;
}
.footer-title{font-size:15px;font-weight:600;color:#F7F4EE;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  font-size:14px;color:rgba(247,244,238,.7);
  transition:color 200ms var(--ease);
}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px;}
.subscribe-form input{
  height:48px;border:1px solid rgba(247,244,238,.28);
  background:rgba(247,244,238,.06);color:#F7F4EE;
  border-radius:var(--radius-btn);padding:0 14px;font-size:15px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.45);}
.subscribe-form input:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 2px rgba(194,94,42,.35);
}
.form-hint{margin-top:10px;font-size:13px;color:rgba(247,244,238,.55);}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(247,244,238,.16);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom a{color:rgba(247,244,238,.8);transition:color 200ms var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-left,.nav-links-right,.header-right .btn-primary{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{height:64px;}
  .section{padding:64px 0;}
  .cover-inner{grid-template-columns:1fr;gap:28px;}
  .cover-media img{height:240px;}
  .cover-media{order:-1;}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mx-feature{grid-column:span 2;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step{border-bottom:1px solid var(--c-line);}
  .step:nth-child(2n){border-right:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .section-head h2{font-size:26px;}
}

@media (max-width:639px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .brand-text{font-size:16px;}
  .cover{padding-top:28px;}
  .cover h1{font-size:30px;}
  .cover-sub{font-size:16px;}
  .cover-media img{height:200px;}
  .cover-actions .btn{width:100%;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .matrix{grid-template-columns:1fr;}
  .mx-feature{grid-column:span 1;}
  .mx-feature img{height:200px;}
  .mx-feature .mx-body{padding:20px;}
  .mx-feature .mx-title{font-size:20px;}
  .mx-compact img{height:150px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:none;}
  .news-row{grid-template-columns:minmax(0,1fr);gap:8px;padding:18px 12px;}
  .news-arrow{display:none;}
  .cta-band{padding:28px;}
  .cta-actions .btn-on-dark,.cta-actions .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (hover:none){
  .card:hover{transform:none;box-shadow:var(--shadow-1);}
  .btn:hover{transform:none;}
  .anchor-pill:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

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

.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;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#F7F4EE;padding:10px 18px;border-radius:0 0 var(--radius-btn) 0;z-index:200;}
.skip-link:focus{left:0;}

.container{max-width:1240px;margin:0 auto;padding:0 32px;}

/* ---------- 公告条 ---------- */
.topbar{background:var(--c-primary);color:#F7F4EE;font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:center;gap:14px;}
.topbar a{color:#F5E4D8;border-bottom:1px solid rgba(245,228,216,.45);padding-bottom:1px;transition:color 200ms var(--ease),border-color 200ms var(--ease);}
.topbar a:hover{color:#fff;border-color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:"left brand right";
  align-items:center;
  height:72px;
}
.nav-left{grid-area:left;display:flex;align-items:center;gap:26px;justify-self:start;}
.nav-right{grid-area:right;display:flex;align-items:center;gap:18px;justify-self:end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-ink);
  padding:6px 2px;
  transition:color 200ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-accent);transition:width 200ms var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:18px;}
.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;
}
.brand{grid-area:brand;display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F7F4EE;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color 200ms var(--ease),background 200ms var(--ease),transform 200ms var(--ease);
}
.icon-btn:hover{border-color:var(--c-accent);background:var(--c-primary-soft);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#F7F4EE;
  border:1px solid var(--c-primary);
  border-radius:var(--radius-btn);
  padding:13px 26px;font-size:15px;font-weight:600;
  transition:background 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22);}
.btn-primary.sm{padding:9px 18px;font-size:14px;}

.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);
  border:1px solid var(--c-primary);
  border-radius:var(--radius-btn);
  padding:12px 24px;font-size:15px;font-weight:600;
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.btn-secondary:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}

.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:#161A18;border:1px solid var(--c-accent);
  border-radius:var(--radius-btn);padding:13px 26px;font-size:15px;font-weight:700;
  transition:filter 200ms var(--ease),transform 200ms var(--ease);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2);}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:#F7F4EE;border:1px solid rgba(247,244,238,.5);
  border-radius:var(--radius-btn);padding:12px 24px;font-size:15px;font-weight:600;
  transition:border-color 200ms var(--ease),background 200ms var(--ease),transform 200ms var(--ease);
}
.btn-ghost:hover{border-color:#F7F4EE;background:rgba(247,244,238,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--c-accent);padding-bottom:2px;
  transition:color 200ms var(--ease);
}
.text-link:hover{color:var(--c-accent);}
.text-link svg{transition:transform 200ms var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 移动菜单 ---------- */
.menu-btn{
  display:none;grid-area:right;justify-self:end;
  width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color 200ms var(--ease);
}
.menu-btn span{display:block;width:20px;height:2px;background:var(--c-primary);border-radius:2px;}
.menu-btn:hover{border-color:var(--c-accent);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,26,22,.5);
  opacity:0;visibility:hidden;transition:opacity 260ms var(--ease),visibility 260ms var(--ease);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:var(--c-surface);z-index:90;padding:22px 22px 28px;
  overflow-y:auto;transform:translateX(102%);
  transition:transform 280ms var(--ease);
  box-shadow:-16px 0 40px -20px rgba(22,26,24,.4);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:20px;line-height:1;
  transition:border-color 200ms var(--ease);
}
.drawer-close:hover{border-color:var(--c-accent);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:15px 4px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-ink);
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:8px;}
.drawer-nav a.active{color:var(--c-primary);font-weight:700;}
.drawer-cta{margin-top:24px;display:block;}
.drawer-cta .btn-primary{width:100%;}

/* ---------- 分类封面 ---------- */
.page-hero{
  position:relative;
  min-height:312px;
  display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(20,44,38,.92) 0%,rgba(28,59,51,.78) 52%,rgba(28,59,51,.52) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#F7F4EE;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(247,244,238,.72);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{transition:color 200ms var(--ease);}
.breadcrumb a:hover{color:#F5E4D8;}
.breadcrumb .sep{color:rgba(247,244,238,.4);}
.breadcrumb .current{color:#F5E4D8;}
.seal{
  display:inline-block;border:2px solid rgba(247,244,238,.7);
  padding:5px 12px;font-size:13px;letter-spacing:.08em;margin-bottom:20px;
}
.page-title{
  font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:#F7F4EE;max-width:820px;
}
.page-sub{
  margin-top:18px;font-size:17px;line-height:1.9;color:rgba(247,244,238,.82);
  max-width:660px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;font-size:13px;color:rgba(247,244,238,.78);}
.hero-tags span{display:inline-flex;align-items:center;gap:10px;}
.hero-tags span::after{content:"·";color:rgba(247,244,238,.4);}
.hero-tags span:last-child::after{content:"";}

/* ---------- 锚点目录 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.anchor-inner{display:flex;gap:10px;flex-wrap:wrap;padding:14px 0;}
.anchor-pill{
  display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;color:var(--c-ink-2);
  transition:border-color 200ms var(--ease),color 200ms var(--ease),background 200ms var(--ease),transform 200ms var(--ease);
}
.anchor-pill:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.anchor-pill:active{transform:translateY(0);}

/* ---------- 通用板块 ---------- */
.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;}
.h2{
  font-size:30px;line-height:1.35;font-weight:650;color:var(--c-ink);letter-spacing:-.01em;
  display:flex;align-items:center;gap:14px;
}
.h2::before{content:"";width:6px;height:24px;background:var(--c-primary);display:inline-block;}
.section-desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:640px;line-height:1.9;}
.h3{font-size:20px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.body-text{font-size:16px;line-height:1.9;color:var(--c-ink-2);}
.meta{font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:960px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:18px;bottom:18px;width:2px;background:var(--c-line);
}
.tl-item{position:relative;padding-left:48px;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:26px;width:16px;height:16px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 0 4px var(--c-bg);
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.tl-card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.tl-item.is-current .tl-node{background:var(--c-accent);transform:scale(1.35);}
.tl-item.is-current .tl-card{border-color:var(--c-accent);box-shadow:var(--shadow-2);}
.tl-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
.tl-badge{
  display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);
  font-size:12px;padding:2px 9px;border-radius:4px;
}
.tl-desc{margin-top:10px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- 渠道对照 ---------- */
.matrix{
  border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--shadow-1);
}
.matrix-head{
  display:grid;grid-template-columns:1.05fr 1.5fr .95fr;gap:16px;
  padding:14px 24px;background:var(--c-primary-soft);
  font-size:13px;font-weight:700;color:var(--c-primary);
}
.matrix-row{
  display:grid;grid-template-columns:1.05fr 1.5fr .95fr;gap:16px;
  padding:22px 24px;border-top:1px solid var(--c-line);
  transition:background 200ms var(--ease);
}
.matrix-row:hover{background:rgba(228,237,232,.5);}
.matrix-name{font-size:16px;font-weight:600;color:var(--c-ink);}
.matrix-scope{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.matrix-time{font-size:15px;color:var(--c-primary);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 数据带 ---------- */
.stats{
  background:var(--c-dark);border-radius:var(--radius-card);
  padding:44px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stat-num{
  font-size:36px;font-weight:800;color:#F7F4EE;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;margin-left:4px;color:rgba(247,244,238,.7);}
.stat-label{margin-top:8px;font-size:13px;color:rgba(247,244,238,.68);line-height:1.7;}
.stat-item{padding-left:20px;border-left:1px solid rgba(247,244,238,.16);}
.stat-item:first-child{border-left:none;padding-left:0;}

/* ---------- 支持范围 ---------- */
.scope-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;}
.scope-img{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2);position:relative;}
.scope-img img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.scope-img::after{content:"";position:absolute;inset:0;background:rgba(28,59,51,.14);}
.scope-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.scope-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid var(--c-primary-soft);
  border-radius:10px;padding:18px 20px;box-shadow:var(--shadow-1);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.scope-item:hover{border-color:var(--c-accent);border-left-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.scope-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.scope-item p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq-item{border-top:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:18px 0;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color 200ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-mark{width:6px;height:6px;background:var(--c-primary);flex:none;}
.faq-plus{margin-left:auto;font-size:20px;line-height:1;color:var(--c-ink-2);transition:transform 200ms var(--ease),color 200ms var(--ease);}
.faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--c-accent);}
.faq-answer{padding:0 0 24px;max-width:760px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.faq-answer ul{margin-top:10px;padding-left:1.2em;list-style:disc;}
.faq-answer li{margin-bottom:6px;}

/* ---------- 相关入口 ---------- */
.rel-list{border-top:1px solid var(--c-line);}
.rel-row{
  display:flex;align-items:center;gap:20px;
  padding:22px 20px;border-bottom:1px solid var(--c-line);
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
  border-left:3px solid transparent;
}
.rel-row:hover{background:rgba(228,237,232,.5);border-left-color:var(--c-accent);}
.rel-num{
  flex:none;width:44px;height:44px;border-radius:10px;background:var(--c-primary-soft);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-variant-numeric:tabular-nums;font-size:15px;
}
.rel-body{flex:1;min-width:0;}
.rel-body h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.rel-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.rel-arrow{flex:none;color:var(--c-ink-2);transition:transform 200ms var(--ease),color 200ms var(--ease);}
.rel-row:hover .rel-arrow{transform:translateX(4px);color:var(--c-accent);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:650;line-height:1.45;}
.cta-band p{margin-top:10px;font-size:14px;color:rgba(247,244,238,.7);line-height:1.85;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:18px;width:100%;font-size:13px;color:rgba(247,244,238,.55);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#F7F4EE;padding:72px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand-mark{background:#F7F4EE;color:var(--c-dark);}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:#F7F4EE;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color 200ms var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:flex;gap:10px;margin-top:12px;}
.subscribe-form input{
  flex:1;height:48px;padding:0 14px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:14px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.subscribe-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-soft);}
.form-hint{margin-top:10px;font-size:13px;color:rgba(247,244,238,.55);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,244,238,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom a{color:rgba(247,244,238,.75);transition:color 200ms var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .menu-btn{display:flex;}
  .page-title{font-size:38px;}
  .section{padding:64px 0;}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px;padding:36px 28px;}
  .stat-item{border-left:none;padding-left:0;}
  .scope-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .anchor-bar{top:60px;}
}
@media (max-width:768px){
  .page-title{font-size:32px;}
  .h2{font-size:24px;}
  .page-hero{min-height:260px;}
  .matrix-head{display:none;}
  .matrix-row{grid-template-columns:1fr;gap:8px;padding:20px;}
  .matrix-name{font-size:17px;}
  .scope-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .rel-row{padding:18px 14px;gap:14px;}
  .rel-body h3{font-size:16px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .header-inner{height:60px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .brand-text{font-size:15px;}
  .section{padding:48px 0;}
  .page-title{font-size:30px;}
  .page-sub{font-size:15px;}
  .hero-tags{gap:8px;font-size:12px;}
  .stats{grid-template-columns:1fr;padding:28px 22px;}
  .stat-num{font-size:30px;}
  .timeline::before{left:5px;}
  .tl-node{width:12px;height:12px;top:28px;}
  .tl-item{padding-left:36px;}
  .tl-card{padding:20px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn-accent{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (hover:none){
  .tl-card:hover,.scope-item:hover,.rel-row:hover,.anchor-pill:hover,.btn-primary:hover,.btn-secondary:hover,.btn-accent:hover,.btn-ghost:hover,.icon-btn:hover{
    transform:none;
  }
}

/* roulang page: category5 */
:root{
  --c-primary:#1C3B33;
  --c-primary-deep:#142C26;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C25E2A;
  --c-accent-soft:#F5E4D8;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#121A16;
  --c-ink:#161A18;
  --c-ink-2:#55605B;
  --c-line:#E3DDD2;
  --shadow-1:0 1px 2px rgba(22,26,24,.05);
  --shadow-2:0 14px 34px -14px rgba(22,26,24,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.9;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFEAE1;}
::-webkit-scrollbar-thumb{background:#C9C2B5;border-radius:999px;border:2px solid #EFEAE1;}
::-webkit-scrollbar-thumb:hover{background:var(--c-primary);}

.container{max-width:1240px;margin:0 auto;padding:0 32px;}

a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--c-primary);color:#F7F4EE;padding:10px 18px;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:var(--c-primary);
  color:#F7F4EE;
  font-size:13px;
  height:36px;
  display:flex;align-items:center;
}
.notice-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.notice-bar a{color:#F7F4EE;border-bottom:1px solid rgba(247,244,238,.45);transition:border-color .2s var(--ease);}
.notice-bar a:hover{border-color:var(--c-accent);color:#F5E4D8;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  max-width:1240px;margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;justify-content:space-between;position:relative;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-link{
  font-size:15px;color:var(--c-ink-2);padding:6px 0;position:relative;
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-3px;width:18px;height:2px;background:var(--c-accent);
}
.brand{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:10px;
}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F7F4EE;
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.02em;color:var(--c-ink);}

.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  display:grid;place-items:center;cursor:pointer;color:var(--c-ink-2);
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#F7F4EE;
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid var(--c-primary);
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22);}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid var(--c-primary);
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:#121A16;
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid var(--c-accent);
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-accent:hover{background:#A94F21;border-color:#A94F21;color:#F7F4EE;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}

.hamburger{
  display:none;position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:var(--c-surface);cursor:pointer;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--c-primary);}
.hamburger:hover{border-color:var(--c-primary);}

.overlay{
  position:fixed;inset:0;background:rgba(18,26,22,.5);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease);z-index:70;
}
.overlay.open{opacity:1;pointer-events:auto;}

.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:var(--c-surface);z-index:80;display:flex;flex-direction:column;
  padding:20px;transform:translateX(102%);
  transition:transform .28s var(--ease);
  box-shadow:-16px 0 40px -20px rgba(22,26,24,.4);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:var(--c-surface);cursor:pointer;color:var(--c-ink-2);font-size:18px;line-height:1;
  transition:all .2s var(--ease);
}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent);}
.drawer-list{margin-top:8px;display:flex;flex-direction:column;}
.drawer-list a{
  padding:14px 2px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);transition:all .2s var(--ease);
}
.drawer-list a:hover,.drawer-list a.active{color:var(--c-accent);padding-left:8px;}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn-primary{width:100%;}
body.no-scroll{overflow:hidden;}

/* ---------- 分类封面 ---------- */
.hero-cat{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  padding:56px 0;
  background-image:linear-gradient(100deg,rgba(20,44,38,.92) 0%,rgba(20,44,38,.78) 48%,rgba(28,59,51,.42) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#F7F4EE;
  overflow:hidden;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(247,244,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,238,.06) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.hero-cat .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,244,238,.72);margin-bottom:22px;}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#F5E4D8;}
.breadcrumb .current{color:#E9B48C;}
.seal{
  display:inline-block;border:2px solid rgba(247,244,238,.7);
  padding:6px 12px;font-size:12px;letter-spacing:.14em;
  color:#F7F4EE;margin-bottom:18px;
}
.hero-cat h1{
  font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:#F7F4EE;max-width:760px;
}
.hero-sub{
  margin-top:16px;font-size:18px;line-height:1.8;color:rgba(247,244,238,.82);max-width:640px;
}
.hero-tags{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(247,244,238,.78);
}
.hero-tags span{padding:5px 12px;border:1px solid rgba(247,244,238,.28);border-radius:var(--radius-pill);}

/* ---------- 锚点条 ---------- */
.anchor-wrap{
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  position:sticky;top:72px;z-index:40;
  padding:14px 0;
}
.anchor-bar{display:flex;gap:10px;flex-wrap:wrap;}
.anchor-pill{
  padding:7px 16px;border:1px solid var(--c-line);border-radius:var(--radius-pill);
  font-size:14px;color:var(--c-ink-2);background:var(--c-surface);
  transition:all .2s var(--ease);white-space:nowrap;
}
.anchor-pill:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:30px;font-weight:650;line-height:1.35;color:var(--c-ink);letter-spacing:-.005em;}
.sec-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);}
.text-link{
  font-size:15px;font-weight:600;color:var(--c-primary);position:relative;
  padding-bottom:3px;display:inline-flex;align-items:center;gap:6px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--c-accent);transition:width .25s var(--ease);
}
.text-link:hover{color:var(--c-accent);}
.text-link:hover::after{width:100%;}

/* ---------- 主内容：统计 + 问答 ---------- */
.cat-main{display:grid;grid-template-columns:300px minmax(0,1fr);gap:52px;align-items:start;}
.stat-col{position:sticky;top:150px;}
.stat-col h2{font-size:20px;font-weight:650;margin-bottom:8px;}
.stat-item{padding:22px 0;border-bottom:1px solid var(--c-line);}
.stat-item:first-of-type{border-top:1px solid var(--c-line);}
.stat-num{font-size:36px;font-weight:800;line-height:1.15;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-num small{font-size:14px;font-weight:600;color:var(--c-ink-2);margin-left:4px;}
.stat-desc{font-size:13px;color:var(--c-ink-2);margin-top:4px;line-height:1.75;}
.stat-note{
  margin-top:20px;background:var(--c-accent-soft);border-left:3px solid var(--c-accent);
  padding:14px 16px;font-size:13px;line-height:1.85;color:#7A3C18;border-radius:0 var(--radius-btn) var(--radius-btn) 0;
}

.faq-panel h2{font-size:26px;font-weight:650;margin-bottom:6px;}
.faq-panel .panel-sub{font-size:15px;color:var(--c-ink-2);margin-bottom:26px;}
.faq-item{border-top:1px solid var(--c-line);}
.faq-item:last-of-type{border-bottom:1px solid var(--c-line);}
.faq-q{
  display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 6px;
  cursor:pointer;list-style:none;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:var(--c-primary);}
.faq-mark{width:6px;height:6px;background:var(--c-primary);flex:0 0 auto;}
.faq-plus{margin-left:auto;color:var(--c-accent);font-size:20px;line-height:1;transition:transform .22s var(--ease);flex:0 0 auto;}
details[open] .faq-plus{transform:rotate(45deg);}
details[open] .faq-q{color:var(--c-primary);}
.faq-a{
  padding:0 6px 24px 26px;max-width:760px;
  font-size:16px;line-height:1.9;color:var(--c-ink-2);
}
.faq-a ul{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.faq-a li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.85;
}
.faq-a li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--c-primary-soft);border:1px solid var(--c-primary);
}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.step-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:all .2s var(--ease);
}
.step-item:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.step-num{
  font-size:26px;font-weight:800;color:var(--c-primary-soft);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;
}
.step-item h3{font-size:18px;font-weight:600;margin-top:14px;color:var(--c-ink);}
.step-item p{font-size:14px;line-height:1.85;color:var(--c-ink-2);margin-top:8px;}

/* ---------- 支撑区块：渠道矩阵 ---------- */
.matrix{
  display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch;
}
.matrix-main{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--shadow-1);
  transition:all .2s var(--ease);
}
.matrix-main:hover{border-color:var(--c-accent);box-shadow:var(--shadow-2);transform:translateY(-3px);}
.matrix-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.matrix-main .m-body{padding:24px;}
.matrix-main h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.matrix-main p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.badge-square{
  display:inline-block;border:1px solid var(--c-accent);color:var(--c-accent);
  font-size:12px;padding:3px 9px;border-radius:2px;letter-spacing:.06em;margin-bottom:12px;
}
.matrix-side{display:flex;flex-direction:column;gap:24px;}
.matrix-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:var(--shadow-1);transition:all .2s var(--ease);flex:1;
}
.matrix-card:hover{border-color:var(--c-accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.matrix-card .mc-icon{
  width:42px;height:42px;flex:0 0 auto;border-radius:var(--radius-btn);
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.matrix-card h3{font-size:17px;font-weight:600;}
.matrix-card p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-top:6px;}

/* ---------- 相关推荐 ---------- */
.rec-list{display:flex;flex-direction:column;}
.rec-row{
  display:flex;gap:22px;align-items:center;padding:22px 6px;
  border-top:1px solid var(--c-line);transition:background .2s var(--ease);
}
.rec-row:last-child{border-bottom:1px solid var(--c-line);}
.rec-row:hover{background:rgba(228,237,232,.45);}
.rec-row img{
  width:200px;flex:0 0 auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);
}
.rec-body h3{font-size:18px;font-weight:600;color:var(--c-ink);transition:color .2s var(--ease);}
.rec-row:hover .rec-body h3{color:var(--c-primary);}
.rec-body p{font-size:14px;color:var(--c-ink-2);line-height:1.85;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{font-size:13px;color:var(--c-ink-2);margin-top:10px;font-variant-numeric:tabular-nums;}
.rec-arrow{
  margin-left:auto;flex:0 0 auto;color:var(--c-ink-2);font-size:18px;
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.rec-row:hover .rec-arrow{transform:translateX(4px);color:var(--c-accent);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);color:#F7F4EE;border-radius:var(--radius-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:650;color:#F7F4EE;}
.cta-band p{font-size:14px;color:rgba(247,244,238,.68);margin-top:8px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:#F7F4EE;border:1px solid rgba(247,244,238,.45);
  padding:11px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost-light:hover{border-color:#F7F4EE;background:rgba(247,244,238,.1);transform:translateY(-1px);}
.btn-ghost-light:active{transform:translateY(0);}
.cta-note{margin-top:18px;font-size:13px;color:rgba(247,244,238,.55);}

/* ---------- 延伸阅读 ---------- */
.readmore-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:14px;color:var(--c-ink-2);
  border-top:1px solid var(--c-line);padding-top:26px;
}
.readmore-row a{
  color:var(--c-primary);font-weight:600;
  border-bottom:1px solid transparent;transition:all .2s var(--ease);
}
.readmore-row a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.readmore-row .dot{color:var(--c-line);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#F7F4EE;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{position:static;transform:none;margin-bottom:16px;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.68);}
.footer-title{font-size:15px;font-weight:600;color:#F7F4EE;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.subscribe-form{display:flex;gap:10px;margin-top:12px;}
.subscribe-form input{
  flex:1 1 auto;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(247,244,238,.22);background:rgba(247,244,238,.06);
  color:#F7F4EE;font-size:14px;transition:all .2s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.42);}
.subscribe-form input:focus{
  outline:none;border-color:#F7F4EE;box-shadow:0 0 0 3px rgba(245,228,216,.25);
}
.subscribe-form .btn-accent{flex:0 0 auto;padding:0 20px;height:48px;}
.form-hint{font-size:12px;color:rgba(247,244,238,.5);margin-top:10px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,238,.16);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom a{color:rgba(247,244,238,.8);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-cat h1{font-size:42px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-wrap{padding:0 24px;height:64px;justify-content:center;}
  .nav-left,.nav-right{display:none;}
  .hamburger{display:flex;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .cat-main{grid-template-columns:1fr;gap:36px;}
  .stat-col{position:static;}
  .stat-col-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .stat-item{border-top:1px solid var(--c-line);border-bottom:none;padding:18px 0;}
  .stat-note{grid-column:1/-1;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-cat{margin-top:0;}
  .anchor-wrap{top:64px;}
  .stat-col{top:auto;}
}
@media (max-width:767px){
  .hero-cat{min-height:auto;padding:40px 0 44px;}
  .hero-cat h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .sec-head h2{font-size:24px;}
  .faq-q{font-size:16px;gap:12px;}
  .faq-a{padding-left:22px;}
  .rec-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .rec-row img{width:100%;}
  .rec-arrow{display:none;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost-light{flex:1 1 auto;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;height:60px;}
  .brand-mark{width:28px;height:28px;font-size:13px;border-radius:8px;}
  .brand-text{font-size:16px;}
  .hamburger{right:18px;}
  .anchor-wrap{top:60px;padding:12px 0;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .steps{grid-template-columns:1fr;}
  .stat-col-inner{grid-template-columns:1fr;}
  .stat-num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn-accent{width:100%;height:48px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .matrix-main .m-body{padding:20px;}
}
@media (hover:none){
  .step-item:hover,.matrix-card:hover,.matrix-main:hover,.rec-row:hover{transform:none;}
}