/* roulang page: index */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --bg-alt:#F2EFE8;
  --primary:#0E3B33;
  --primary-600:#14554A;
  --primary-ink:#08241F;
  --accent:#C08A2E;
  --accent-hover:#A87420;
  --ink:#14181C;
  --ink-2:#5A6470;
  --ink-3:#8A9199;
  --line:#E4E1D9;
  --line-strong:#CFC9BC;
  --radius-s:8px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 10px 28px rgba(20,24,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --bs-body-font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --bs-body-color:#14181C;
  --bs-border-color:#E4E1D9;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#A87420;
  --bs-border-radius:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
body.has-sticky{padding-bottom:80px;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);}
a:hover{color:var(--accent-hover);}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1180px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-s);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
  text-align:center;
}
.btn svg{width:16px;height:16px;flex:0 0 auto;transition:transform var(--dur) var(--ease);}
.btn-primary{background:var(--primary);color:#FAF8F4;border-color:var(--primary);}
.btn-primary:hover,.btn-primary:focus{background:var(--accent);border-color:var(--accent);color:var(--primary-ink);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary);color:#FAF8F4;}
.btn-accent{background:var(--accent);color:var(--primary-ink);border-color:var(--accent);}
.btn-accent:hover{background:#FAF8F4;color:var(--primary);border-color:#FAF8F4;}
.btn-outline-light{background:transparent;color:#F5F2EA;border-color:rgba(245,242,234,.55);}
.btn-outline-light:hover{background:#F5F2EA;color:var(--primary);border-color:#F5F2EA;}
.btn-block{width:100%;justify-content:center;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);border-bottom:1px solid var(--line-strong);padding-bottom:2px;font-size:14.5px;}
.text-link:hover{color:var(--accent-hover);border-bottom-color:var(--accent);}
.text-link svg{width:15px;height:15px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,248,244,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:9px;background:var(--primary);
  color:var(--accent);display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;line-height:1;flex:0 0 auto;
}
.brand-mark::after{content:'';position:absolute;right:4px;top:4px;width:4px;height:4px;border-radius:50%;background:var(--accent);}
.brand-text{font-size:17px;font-weight:800;color:var(--primary-ink);letter-spacing:.01em;white-space:nowrap;}
.nav-search-wrap{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:100%;max-width:520px;height:44px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 16px 0 42px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search:hover{border-color:var(--line-strong);}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.10);}
.nav-search .search-icon{position:absolute;left:15px;width:17px;height:17px;color:var(--ink-3);}
.nav-search input{
  border:none;background:transparent;outline:none;width:100%;height:100%;
  font-size:14.5px;color:var(--ink);font-family:inherit;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-right{flex:0 0 auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:var(--surface);color:var(--primary);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-cats{
  display:flex;justify-content:center;align-items:center;gap:30px;
  height:40px;
}
.nav-cats a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
}
.nav-cats a::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent;
  transition:background-color var(--dur) var(--ease);
}
.nav-cats a:hover{color:var(--primary);}
.nav-cats a.active{color:var(--primary);font-weight:700;}
.nav-cats a.active::after{background:var(--accent);}

/* 移动端抽屉 */
.mobile-nav{background:var(--bg);width:min(92vw,380px);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:800;}
.mobile-nav .btn-close{opacity:.55;}
.mobile-cats{display:flex;flex-direction:column;margin:18px 0 22px;}
.mobile-cats a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 2px;border-bottom:1px solid var(--line);
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.mobile-cats a.active{color:var(--primary);}
.mobile-cats a span{color:var(--ink-3);font-size:13px;font-weight:400;}
.hot-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.hot-tags span{
  display:inline-block;padding:7px 14px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--ink-2);font-size:13px;
}
.mobile-label{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:4px;}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 60px;}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,59,51,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,59,51,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero::after{
  content:'9';position:absolute;right:-3%;top:-10%;line-height:.8;
  font-size:clamp(260px,34vw,520px);font-weight:800;color:var(--primary);opacity:.055;
  pointer-events:none;user-select:none;
}
.hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(14,59,51,.07);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(1.9rem,4.2vw,3.25rem);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;margin:0 0 20px;
}
.hero-sub{font-size:clamp(1rem,1.5vw,1.125rem);color:var(--ink-2);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px;}
.trust-bar{
  display:flex;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line);
}
.trust-bar li{font-size:13.5px;color:var(--ink-2);padding:0 18px;border-left:1px solid var(--line);}
.trust-bar li:first-child{padding-left:0;border-left:none;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-m);border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(250,248,244,.94);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:7px 14px;
  font-size:12.5px;font-weight:600;color:var(--primary);
}
.update-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:52px;padding:16px 22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);box-shadow:var(--shadow-1);
}
.update-bar .update-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(192,138,46,.14);color:var(--accent-hover);
  border-radius:var(--radius-pill);padding:5px 13px;
  font-size:12px;font-weight:700;letter-spacing:.05em;white-space:nowrap;
}
.update-bar p{margin:0;flex:1 1 320px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:44px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25;font-weight:700;margin:0 0 10px;}
.section-head p{margin:0;color:var(--ink-2);font-size:15px;max-width:620px;}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--accent-hover);margin-bottom:10px;
}

/* ---------- 卖点非对称 ---------- */
.feature-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.feature-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28);}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-main .fm-body{padding:26px 26px 30px;}
.feature-main h3{font-size:1.25rem;font-weight:700;margin:0 0 12px;line-height:1.45;}
.feature-main p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:18px;}
.feature-side{display:flex;flex-direction:column;gap:24px;}
.feature-strip{
  flex:1;display:flex;gap:22px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.feature-strip:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28);}
.feature-num{
  flex:0 0 auto;font-size:1.5rem;font-weight:800;color:var(--accent);
  line-height:1;padding-top:4px;letter-spacing:-.02em;
}
.feature-strip h3{font-size:1.0625rem;font-weight:700;margin:0 0 8px;}
.feature-strip p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;}

/* ---------- 场景演示 ---------- */
.scenes{border-top:1px solid var(--line);}
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.scene:last-child{border-bottom:none;}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-m);border:1px solid var(--line);}
.scene-body h3{font-size:1.375rem;font-weight:700;margin:0 0 14px;line-height:1.4;}
.scene-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.scene.reverse .scene-media{order:2;}
.scene.reverse .scene-body{order:1;}

/* ---------- 横向滚动专题 ---------- */
.topic-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:4px 2px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.topic-scroll::-webkit-scrollbar{height:6px;}
.topic-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px;}
.topic-card{
  flex:0 0 296px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28);}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.topic-card .tc-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.topic-card h3{font-size:1.0625rem;font-weight:700;margin:0 0 10px;}
.topic-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0 0 16px;}
.topic-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.topic-card .tags span{
  font-size:12px;color:var(--ink-2);background:var(--bg-alt);
  padding:5px 11px;border-radius:var(--radius-pill);
}

/* ---------- 内容卡片（CMS 区） ---------- */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28);color:inherit;}
.card-badge{
  align-self:flex-start;
  display:inline-block;background:rgba(14,59,51,.08);color:var(--primary);
  border-radius:var(--radius-pill);padding:5px 12px;
  font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.card-title{
  font-size:1.0625rem;font-weight:700;line-height:1.55;color:var(--ink);
  margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-excerpt{
  font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0 0 20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.card-foot .more{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-weight:600;}
.card-foot .more svg{width:14px;height:14px;transition:transform var(--dur) var(--ease);}
.post-card:hover .card-foot .more svg{transform:translateX(4px);}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  padding:56px 24px;text-align:center;background:var(--surface);
}
.empty-state p{color:var(--ink-2);margin:0 0 18px;font-size:15px;}

/* ---------- 社会认同 ---------- */
.quotes{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.quote{padding:34px 30px;border-left:1px solid var(--line);}
.quote:first-child{border-left:none;}
.quote blockquote{
  margin:0 0 16px;font-family:'Noto Serif SC',Georgia,serif;
  font-size:1.15rem;line-height:1.75;color:var(--ink);
}
.quote cite{font-style:normal;font-size:13px;color:var(--ink-3);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;}
.stat-item{border-left:2px solid var(--accent);padding-left:18px;}
.stat-num{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800;color:var(--primary);line-height:1.15;letter-spacing:-.02em;}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq .accordion-item{background:transparent;border:none;border-top:1px solid var(--line);}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  padding:24px 44px 24px 0;
  font-size:1.0625rem;font-weight:800;color:var(--ink);line-height:1.6;
}
.faq .accordion-button:not(.collapsed){background:transparent;color:var(--primary);box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.faq .accordion-button::after{
  content:'+';background-image:none;
  width:22px;height:22px;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;line-height:1;color:var(--accent);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--primary);}
.faq .accordion-body{padding:0 44px 26px 0;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary);color:#F5F2EA;
  border-radius:var(--radius-m);
  padding:52px 56px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:'9';position:absolute;right:24px;bottom:-58px;
  font-size:220px;font-weight:800;line-height:1;color:rgba(245,242,234,.06);pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#F5F2EA;font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;margin:0 0 12px;line-height:1.3;}
.cta-copy p{color:rgba(245,242,234,.78);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
.eyebrow-light{background:rgba(245,242,234,.14);color:#E8C88B;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);border-top:1px solid var(--line);
  padding:64px 0 28px;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:320px;margin:0;}
.footer-title{
  font-size:12px;letter-spacing:.1em;color:var(--ink-3);
  font-weight:700;margin:0 0 18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:var(--ink-2);display:inline-block;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(-2px);}
.footer-search label{display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:10px;}
.footer-search-box{display:flex;gap:8px;}
.footer-search-box input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);font-size:14px;color:var(--ink);font-family:inherit;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.10);}
.footer-search-box button{
  flex:0 0 auto;height:44px;padding:0 20px;border-radius:var(--radius-s);
  border:1px solid var(--primary);background:var(--primary);color:#FAF8F4;
  font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-search-box button:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-ink);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--ink-3);}
.footer-legal{display:flex;gap:10px;align-items:center;}
.footer-legal a{font-size:13px;color:var(--ink-3);}
.footer-legal a:hover{color:var(--primary);}
.footer-legal span{color:var(--line-strong);}

/* ---------- 底部转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(14,59,51,.97);
  color:#F5F2EA;
  transform:translateY(110%);
  transition:transform 320ms var(--ease);
  box-shadow:0 -6px 24px rgba(20,24,28,.16);
}
.sticky-cta.is-show{transform:translateY(0);}
.sticky-cta .inner{
  max-width:1180px;margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;
}
.sticky-cta .hint{font-size:14.5px;color:rgba(245,242,234,.88);margin:0;}
.sticky-cta .hint strong{color:#E8C88B;font-weight:700;}
.sticky-cta .btn{padding:11px 20px;font-size:14.5px;}

/* ---------- 入场动效 ---------- */
.js-ready .reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.js-ready .reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .js-ready .reveal{opacity:1;transform:none;transition:none;}
  .btn,.post-card,.topic-card,.feature-main,.feature-strip{transition:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .nav-search-wrap{display:none;}
  .nav-cats{display:none;}
  .nav-right .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .hero{padding:56px 0 48px;}
  .scene{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .scene.reverse .scene-media{order:0;}
  .scene.reverse .scene-body{order:0;}
  .quotes{grid-template-columns:1fr;}
  .quote{border-left:none;border-top:1px solid var(--line);padding:28px 4px;}
  .quote:first-child{border-top:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 36px;}
  .hero h1{font-size:1.75rem;}
  .trust-bar li{padding:0 12px;font-size:12.5px;}
  .trust-bar li:first-child{padding-left:0;}
  .update-bar{padding:14px 16px;margin-top:36px;}
  .section-head{margin-bottom:32px;}
  .feature-main .fm-body{padding:22px 20px 24px;}
  .feature-strip{padding:22px 20px;gap:16px;}
  .post-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-desc{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .topic-card{flex:0 0 256px;}
  body{padding-bottom:76px;}
  .sticky-cta{transform:translateY(0);padding-bottom:env(safe-area-inset-bottom);}
  .sticky-cta .hint{font-size:13px;}
  .sticky-cta .inner{padding:10px 18px;gap:12px;}
  .sticky-cta .btn{padding:10px 16px;font-size:14px;white-space:nowrap;}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px;}
  .stats{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .sticky-cta .hint{display:none;}
  .sticky-cta .inner{justify-content:center;}
}

/* roulang page: article */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --bg-alt:#F2EFE8;
  --primary:#0E3B33;
  --primary-600:#14554A;
  --primary-ink:#08241F;
  --accent:#C08A2E;
  --accent-hover:#A87420;
  --ink:#14181C;
  --ink-2:#5A6470;
  --ink-3:#8A9199;
  --line:#E4E1D9;
  --line-strong:#CFC9BC;
  --radius-s:8px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 10px 28px rgba(20,24,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-serif:'Noto Serif SC','Songti SC','SimSun',serif;

  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#5A6470;
  --bs-body-bg:#FAF8F4;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:8px;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#A87420;
  --bs-primary:#0E3B33;
  --bs-primary-rgb:14,59,51;
  --bs-emphasis-color:#14181C;
  --bs-offcanvas-width:340px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--accent-hover);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1180px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(250,248,244,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--primary);color:var(--accent);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(192,138,46,.38);
}
.brand-text{
  font-weight:800;font-size:17px;letter-spacing:-.01em;
  color:var(--primary-ink);white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;}
.nav-search .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-3);pointer-events:none;
}
.nav-search input{
  width:100%;height:44px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--surface);
  padding:0 20px 0 44px;
  font-size:14px;color:var(--ink);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.nav-cta{padding:12px 20px;font-size:14px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);color:var(--primary);cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);background:#fff;}
.nav-toggle svg{width:20px;height:20px;}
.nav-cats-wrap{border-top:1px solid var(--line);}
.nav-cats{
  display:flex;align-items:center;gap:28px;
  height:46px;overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-cats a{
  position:relative;
  font-size:14px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;padding:4px 0;
}
.nav-cats a:hover{color:var(--primary);}
.nav-cats a.active{color:var(--primary);font-weight:700;}
.nav-cats a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--accent);border-radius:2px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--radius-s);
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform var(--dur) var(--ease);}
.btn-primary{background:var(--primary);color:#FAF8F4;}
.btn-primary:hover{background:var(--accent);color:var(--primary-ink);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-secondary{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-secondary:hover{background:var(--primary);color:#FAF8F4;}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;
}
.link-cta:hover{border-bottom-color:var(--accent);color:var(--accent-hover);}
.link-cta svg{width:15px;height:15px;transition:transform var(--dur) var(--ease);}
.link-cta:hover svg{transform:translateX(3px);}

/* ---------- Badge / Tag ---------- */
.badge-cat{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  background:#E8EFEB;color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag-pill{
  display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);
  background:#EFEDE7;color:var(--ink-2);font-size:13px;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tag-pill:hover{background:#E8EFEB;color:var(--primary);}

/* ---------- Article hero ---------- */
.article-hero{
  background-color:var(--bg-alt);
  background-image:linear-gradient(180deg,rgba(250,248,244,.88),rgba(250,248,244,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  padding-bottom:34px;
}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:26px;
  font-size:13px;color:var(--ink-3);
}
.breadcrumb-nav a{color:var(--ink-3);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:var(--line-strong);}
.breadcrumb-nav .bc-current{color:var(--ink);max-width:min(520px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:900px;padding-top:20px;}
.article-head h1{
  margin-top:16px;
  font-size:clamp(1.6rem,3.4vw,2.5rem);
  font-weight:800;line-height:1.25;letter-spacing:-.02em;
  color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:20px;padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.article-meta .meta-dot{color:var(--line-strong);}

/* ---------- Article main ---------- */
.article-main{padding:56px 0 88px;}
.article-body{max-width:740px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--ink-2);}
.article-body p{margin:0 0 1.2em;}
.article-body > p:first-of-type{font-size:18px;color:var(--ink);}
.article-body h2{
  position:relative;
  margin:2.1em 0 .8em;
  padding-left:16px;
  font-size:clamp(1.3rem,2.2vw,1.65rem);
  font-weight:700;line-height:1.4;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;
  width:3px;height:1.05em;background:var(--accent);border-radius:2px;
}
.article-body h3{
  margin:1.7em 0 .7em;
  font-size:1.2rem;font-weight:700;line-height:1.45;color:var(--ink);
}
.article-body ul,.article-body ol{margin:1em 0 1.3em;padding-left:1.5em;}
.article-body li{margin:.45em 0;}
.article-body ul{list-style:none;padding-left:1.25em;}
.article-body ul li{position:relative;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.article-body ol li::marker{color:var(--primary);font-weight:600;}
.article-body a{color:var(--primary);border-bottom:1px solid var(--line-strong);}
.article-body a:hover{color:var(--accent-hover);border-bottom-color:var(--accent);}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:2px solid var(--accent);
  background:var(--bg-alt);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  font-family:var(--font-serif);
  font-size:1.05rem;line-height:1.8;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;margin:1.5em 0;
  border-radius:12px;
  box-shadow:var(--shadow-1);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;
  font-size:13px;color:var(--ink-3);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden;
}
.article-body th{
  background:var(--primary);color:#FAF8F4;
  font-weight:600;text-align:left;padding:12px 14px;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

@media (min-width:1200px){
  .article-body{max-width:none;margin:0;}
}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:132px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.side-card:hover{border-color:rgba(14,59,51,.28);box-shadow:var(--shadow-2);}
.side-title{
  font-size:14px;font-weight:700;color:var(--ink);
  letter-spacing:.04em;margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;}
.toc-list{list-style:none;margin:0;padding:0;max-height:320px;overflow:auto;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;
  padding:7px 0 7px 12px;
  border-left:2px solid var(--line);
  font-size:14px;line-height:1.5;color:var(--ink-2);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.toc-list a:hover{color:var(--primary);border-left-color:var(--line-strong);}
.toc-list a.is-current{border-left-color:var(--accent);color:var(--primary);font-weight:600;}
.toc-list li.lvl-3 a{padding-left:24px;font-size:13px;color:var(--ink-3);}
.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;font-size:14px;line-height:1.6;color:var(--ink-2);
}
.hot-list a:hover{color:var(--primary);}
.hot-list .hot-no{
  flex:0 0 auto;width:18px;font-weight:700;font-size:13px;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.side-cta{
  background:var(--primary);color:rgba(250,248,244,.86);
  border-radius:var(--radius-m);padding:22px;
}
.side-cta h3{font-size:16px;font-weight:700;color:#FAF8F4;line-height:1.5;}
.side-cta p{margin:10px 0 16px;font-size:13.5px;line-height:1.75;color:rgba(250,248,244,.72);}
.side-cta .btn-primary{background:var(--accent);color:var(--primary-ink);width:100%;}
.side-cta .btn-primary:hover{background:#FAF8F4;color:var(--primary-ink);}

/* ---------- Article footer blocks ---------- */
.disclaimer{
  margin-top:40px;
  padding:20px 22px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:12px;
  font-size:13.5px;line-height:1.85;color:var(--ink-2);
}
.disclaimer strong{color:var(--ink);font-weight:700;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:20px;
}
.sec-title{
  position:relative;padding-left:14px;
  font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.35em;
  width:3px;height:.9em;background:var(--accent);border-radius:2px;
}
.related-block{margin-top:44px;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rel-card{
  display:flex;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:12px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28);}
.rel-card img{
  width:104px;flex:0 0 104px;aspect-ratio:16/10;object-fit:cover;border-radius:10px;
}
.rel-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.rel-title{
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--primary);}
.rel-meta{font-size:12px;color:var(--ink-3);}

.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:36px;}
.pn-item{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:16px 18px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pn-item:hover{border-color:rgba(14,59,51,.28);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.pn-label{font-size:12px;letter-spacing:.06em;color:var(--ink-3);}
.pn-title{display:block;margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;}
.pn-item:hover .pn-title{color:var(--primary);}
.pn-next{text-align:right;}
.back-row{margin-top:32px;}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:740px;margin:0 auto;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-m);
  background:var(--surface);
  padding:48px 28px;
  text-align:center;
}
.empty-title{font-size:20px;font-weight:700;color:var(--ink);}
.empty-desc{margin:12px 0 22px;font-size:15px;color:var(--ink-2);}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{background:var(--bg);}
.mobile-drawer .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.drawer-title{font-weight:800;font-size:16px;color:var(--primary-ink);}
.mobile-drawer .btn-close{opacity:.6;}
.mobile-drawer .btn-close:hover{opacity:1;}
.mobile-drawer .offcanvas-body{padding:20px;}
.drawer-search label{
  display:block;font-size:12px;letter-spacing:.08em;
  color:var(--ink-3);margin-bottom:8px;text-transform:uppercase;
}
.drawer-search-box{display:flex;gap:8px;}
.drawer-search-box input{
  flex:1 1 auto;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);padding:0 14px;font-size:14px;color:var(--ink);
}
.drawer-search-box input:focus{border-color:var(--primary);}
.drawer-search-box button{
  flex:0 0 auto;height:44px;padding:0 18px;
  border:0;border-radius:var(--radius-s);
  background:var(--primary);color:#FAF8F4;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.drawer-search-box button:hover{background:var(--accent);color:var(--primary-ink);}
.drawer-cats{display:flex;flex-direction:column;margin:24px 0 0;}
.drawer-cats a{
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:500;color:var(--ink);
}
.drawer-cats a:hover{color:var(--primary);}
.drawer-cats a.active{color:var(--primary);font-weight:700;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0;}
.drawer-cta{margin-top:6px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand{margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:340px;}
.footer-title{
  font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--ink-3);margin-bottom:16px;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;color:var(--ink-2);
  display:inline-block;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-links a:hover{color:var(--primary);transform:translateX(-2px);}
.footer-search label{
  display:block;font-size:13px;color:var(--ink-3);margin-bottom:10px;
}
.footer-search-box{display:flex;gap:8px;}
.footer-search-box input{
  flex:1 1 auto;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);padding:0 14px;font-size:14px;color:var(--ink);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.1);}
.footer-search-box button{
  flex:0 0 auto;height:44px;padding:0 18px;
  border:1px solid transparent;border-radius:var(--radius-s);
  background:var(--primary);color:#FAF8F4;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-search-box button:hover{background:var(--accent);color:var(--primary-ink);}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;
  font-size:13px;color:var(--ink-3);
}
.footer-legal{display:flex;align-items:center;gap:8px;margin-left:auto;}
.footer-legal a{color:var(--ink-3);}
.footer-legal a:hover{color:var(--primary);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-cta{background:none;color:var(--primary);border:0;padding:0;box-shadow:none;}
  .nav-cta:hover{background:none;color:var(--accent-hover);}
  .nav-cta:hover svg{transform:translateX(3px);}
  .article-head{max-width:none;}
}
@media (max-width:991.98px){
  .nav-cats-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{max-width:300px;}
  .header-inner{gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-legal{margin-left:0;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .header-inner{height:60px;}
  .brand-text{font-size:15px;}
  .nav-search{display:none;}
  .nav-toggle{width:38px;height:38px;}
  .article-hero{padding-bottom:26px;}
  .breadcrumb-nav{padding-top:18px;}
  .article-main{padding:40px 0 60px;}
  .article-body{font-size:16.5px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .pn-next{text-align:left;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start;}
  .rel-card img{width:92px;flex:0 0 92px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .article-body h2{margin-top:1.8em;}
  .empty-state{padding:36px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --bg-alt:#F2EFE8;
  --primary:#0E3B33;
  --primary-600:#14554A;
  --primary-ink:#08241F;
  --accent:#C08A2E;
  --accent-hover:#A87420;
  --ink:#14181C;
  --ink-2:#5A6470;
  --ink-3:#8A9199;
  --line:#E4E1D9;
  --line-strong:#CFC9BC;
  --radius-s:8px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 10px 28px rgba(20,24,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --bs-primary:#0E3B33;
  --bs-body-font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --bs-body-color:#5A6470;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:8px;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#14554A;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700}
h1{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.15;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--primary-600)}
img{max-width:100%;display:block}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1180px;padding-inline:24px;margin-inline:auto}
@media (min-width:1400px){.container{max-width:1240px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#FBF8F2;padding:10px 18px;border-radius:var(--radius-s);z-index:2000}
.skip-link:focus{left:16px;top:16px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,248,244,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#F6E7C6;
  display:grid;place-items:center;font-weight:800;font-size:17px;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(192,138,46,.4);
}
.brand-text{font-weight:800;color:var(--ink);font-size:1.02rem;letter-spacing:-.01em;white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:520px;margin-inline:auto;height:44px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 6px 0 44px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search .search-icon{position:absolute;left:16px;width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;font-size:.94rem;color:var(--ink);outline:none}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  border:0;background:var(--primary);color:#FBF8F2;border-radius:var(--radius-pill);
  padding:0 18px;height:34px;font-size:.88rem;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-search button:hover{background:var(--accent);color:var(--primary-ink)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.1)}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--primary);border-radius:2px}
.header-cats{display:flex;align-items:center;height:46px;border-top:1px solid var(--line)}
.nav-cats{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{position:relative;font-size:.94rem;font-weight:600;color:var(--ink-2);padding:12px 0;white-space:nowrap;transition:color var(--dur) var(--ease)}
.nav-cats a::after{content:"";position:absolute;left:0;right:0;bottom:5px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.nav-cats a:hover{color:var(--primary)}
.nav-cats a:hover::after,.nav-cats a.active::after{transform:scaleX(1)}
.nav-cats a.active{color:var(--primary);font-weight:800}

/* ---------- 移动导航 ---------- */
.mobile-nav{background:var(--bg);width:min(360px,88vw)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .offcanvas-body{padding:22px 20px 32px}
.nav-search--mobile{max-width:none;margin:0 0 24px;padding-left:44px}
.mobile-links{display:flex;flex-direction:column;margin-bottom:24px}
.mobile-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem;font-weight:600;color:var(--ink-2)}
.mobile-links a.active{color:var(--primary);font-weight:800}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-s);
  font-size:.95rem;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn .arrow{width:14px;height:14px;transition:transform var(--dur) var(--ease)}
.btn-primary{background:var(--primary);color:#FBF8F2;border-color:var(--primary)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-ink)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#FBF8F2}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;overflow:hidden;padding:60px 0 76px;background:var(--bg);border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,59,51,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,59,51,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.page-hero::after{
  content:"9";position:absolute;right:-3%;top:-30%;line-height:1;pointer-events:none;
  font-size:clamp(260px,40vw,500px);font-weight:800;color:var(--primary);opacity:.045;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:30px}
.breadcrumb-bar a{color:var(--ink-3)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .current{color:var(--ink);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--primary);
  background:rgba(14,59,51,.07);border-radius:var(--radius-pill);padding:6px 14px;
}
.hero-sub{max-width:32em;margin-top:18px;font-size:1.05rem;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:36px;padding-top:22px;
  border-top:1px solid var(--line);font-size:.86rem;color:var(--ink-3);
}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.hero-facts strong{color:var(--ink);font-weight:700;font-size:.9rem}
.hero-figure{
  margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2)}

/* ---------- 栏目导览 ---------- */
.anchor-nav{position:sticky;top:138px}
.anchor-title{
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.anchor-nav ul li a{
  display:block;padding:11px 0 11px 14px;
  border-left:2px solid var(--line);
  font-size:.94rem;font-weight:600;color:var(--ink-2);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.anchor-nav ul li a:hover{color:var(--primary);border-left-color:var(--line-strong);padding-left:18px}
.anchor-nav ul li a.is-active{color:var(--primary);font-weight:800;border-left-color:var(--accent)}
.catalog-group{scroll-margin-top:140px;padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--line)}
.catalog-group:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.catalog-group h2{font-size:1.4rem}
.group-desc{margin:12px 0 20px;max-width:46em;font-size:.96rem;color:var(--ink-2)}
.entry-list li+li{border-top:1px solid var(--line)}
.entry-list a{display:flex;align-items:center;gap:18px;padding:16px 6px;color:var(--ink)}
.entry-list a:hover{color:var(--primary);background:rgba(14,59,51,.03)}
.entry-main{flex:1;min-width:0}
.entry-title{display:block;font-size:1rem;font-weight:700;color:inherit}
.entry-note{display:block;margin-top:3px;font-size:.86rem;line-height:1.7;color:var(--ink-3)}
.entry-list .arrow{flex:0 0 auto;width:16px;height:16px;color:var(--ink-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.entry-list a:hover .arrow{transform:translateX(4px);color:var(--accent)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:26px;border-top:2px solid var(--line-strong)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-13px;left:0;padding-right:12px;background:var(--bg);
  font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--accent);
}
.step h3{font-size:1.05rem;margin-bottom:8px}
.step p{font-size:.9rem}

/* ---------- 图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:56px;padding-top:56px;border-top:1px solid var(--line)}
.split.reverse .split-media{order:2}
.split-media{
  margin:0;aspect-ratio:4/3;overflow:hidden;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h3{font-size:1.35rem;margin-bottom:16px}
.split-body p + p{margin-top:14px}
.split-list{margin-top:22px}
.split-list li{position:relative;padding-left:20px;margin-top:12px;font-size:.94rem}
.split-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-wrap .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-wrap .accordion-button{
  position:relative;background:transparent;border-radius:0;box-shadow:none;
  padding:22px 48px 22px 0;font-size:1.05rem;font-weight:800;color:var(--ink);
}
.faq-wrap .accordion-button:not(.collapsed){background:transparent;color:var(--primary);box-shadow:none}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq-wrap .accordion-button::after{
  content:"";position:absolute;right:8px;top:50%;width:14px;height:14px;
  background-color:transparent;transform:translateY(-50%);
  background-image:linear-gradient(var(--primary),var(--primary)),linear-gradient(var(--primary),var(--primary));
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform var(--dur) var(--ease);
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg)}
.faq-wrap .accordion-body{padding:0 48px 26px 0;font-size:.95rem;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  background:var(--primary);border-radius:var(--radius-m);padding:52px;
}
.cta-band h2{color:#FBF8F2;font-size:clamp(1.4rem,2.4vw,1.9rem)}
.cta-band p{margin-top:12px;max-width:40em;font-size:.95rem;color:rgba(251,248,242,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-primary{background:var(--accent);border-color:var(--accent);color:var(--primary-ink)}
.cta-band .btn-primary:hover{background:#FBF8F2;border-color:#FBF8F2;color:var(--primary-ink)}
.cta-band .btn-ghost{color:#FBF8F2;border-color:rgba(251,248,242,.5)}
.cta-band .btn-ghost:hover{background:#FBF8F2;color:var(--primary);border-color:#FBF8F2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-ink);color:rgba(251,248,242,.68);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand-text{color:#FBF8F2}
.footer-brand .brand-mark{background:var(--accent);color:var(--primary-ink);box-shadow:none}
.footer-desc{margin-top:16px;max-width:34em;font-size:.9rem;line-height:1.85;color:rgba(251,248,242,.62)}
.footer-title{font-size:12px;font-weight:700;letter-spacing:.06em;color:rgba(251,248,242,.5);margin-bottom:16px}
.footer-links li + li{margin-top:10px}
.footer-links a{display:inline-block;font-size:.92rem;color:rgba(251,248,242,.78);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-links a:hover{color:#FBF8F2;transform:translateX(-2px)}
.footer-search label{display:block;margin-bottom:10px;font-size:12px;letter-spacing:.06em;color:rgba(251,248,242,.5)}
.footer-search-box{
  display:flex;gap:8px;padding:5px 5px 5px 14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-s);
  transition:border-color var(--dur) var(--ease);
}
.footer-search-box:focus-within{border-color:rgba(192,138,46,.7)}
.footer-search-box input{flex:1;min-width:0;border:0;background:transparent;color:#FBF8F2;font-size:.9rem;outline:none}
.footer-search-box input::placeholder{color:rgba(251,248,242,.4)}
.footer-search-box button{
  border:0;border-radius:6px;padding:8px 16px;font-size:.86rem;font-weight:700;cursor:pointer;
  background:var(--accent);color:var(--primary-ink);
  transition:background var(--dur) var(--ease);
}
.footer-search-box button:hover{background:#FBF8F2}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:.8rem;color:rgba(251,248,242,.5);
}
.footer-legal a{color:rgba(251,248,242,.62)}
.footer-legal a:hover{color:var(--accent)}
.footer-legal span{margin:0 6px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-cta{display:none}
  .nav-search{max-width:420px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{gap:36px}
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-nav{position:static;margin-bottom:32px}
  .anchor-nav ul{display:flex;flex-wrap:wrap;gap:8px}
  .anchor-nav ul li a{border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 16px;font-size:.86rem}
  .anchor-nav ul li a:hover{padding-left:16px}
  .anchor-nav ul li a.is-active{border-color:var(--accent);background:rgba(192,138,46,.1)}
  .split{grid-template-columns:1fr;gap:26px}
  .split.reverse .split-media{order:0}
}
@media (max-width:767.98px){
  .header-top{height:60px;gap:12px}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-cats{height:auto;padding-bottom:4px}
  .nav-cats{gap:20px}
  .nav-cats a{font-size:.9rem}
  .section{padding:56px 0}
  .section-head{margin-bottom:34px}
  .page-hero{padding:36px 0 48px}
  .hero-facts{gap:8px 18px;font-size:.82rem}
  .steps{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-inline:18px}
  .hero-actions .btn{width:100%;justify-content:center}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#FAF8F4; --surface:#FFFFFF; --bg-alt:#F2EFE8;
  --primary:#0E3B33; --primary-600:#14554A; --primary-ink:#08241F;
  --accent:#C08A2E; --accent-hover:#A87420;
  --ink:#14181C; --ink-2:#5A6470; --ink-3:#8A9199;
  --line:#E4E1D9; --line-strong:#CFC9BC;
  --radius-s:8px; --radius-m:14px; --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 10px 28px rgba(20,24,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1); --dur:240ms;
  --bs-body-font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --bs-body-color:#5A6470;
  --bs-body-bg:#FAF8F4;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:8px;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#C08A2E;
  --bs-primary:#0E3B33;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent-hover)}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25}
h1{font-size:clamp(1.9rem,4.2vw,3.15rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700;line-height:1.4}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1180px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1240px}}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,248,244,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:9px;background:var(--primary);
  color:#FAF8F4;font-weight:800;font-size:16px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.brand-mark::after{
  content:"";position:absolute;right:-2px;bottom:-2px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);border:2px solid var(--bg);
}
.brand-text{font-size:17px;font-weight:800;color:var(--primary-ink);letter-spacing:-.01em;white-space:nowrap}
.header-search{flex:1;display:flex;justify-content:center}
.search-box{
  display:flex;align-items:center;gap:8px;width:100%;max-width:520px;height:44px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 6px 0 16px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.10)}
.search-box svg{flex-shrink:0;color:var(--ink-3)}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  color:var(--ink);font-size:14px;padding:0;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box button{
  flex-shrink:0;border:0;background:var(--primary);color:#FAF8F4;
  border-radius:var(--radius-pill);padding:8px 18px;font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.search-box button:hover{background:var(--accent);color:var(--primary-ink)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:var(--surface);color:var(--primary);
  place-items:center;cursor:pointer;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--primary);background:#fff}
.nav-row{border-top:1px solid var(--line)}
.nav-cats{display:flex;gap:32px}
.nav-cats a{
  position:relative;display:inline-block;padding:14px 0;font-size:15px;font-weight:600;
  color:var(--ink-2);border-bottom:2px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-cats a:hover{color:var(--primary-ink)}
.nav-cats a.active{color:var(--primary-ink);border-bottom-color:var(--accent)}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#FAF8F4;
  border:1px solid var(--primary);border-radius:var(--radius-s);padding:13px 24px;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-main:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-ink)}
.btn-main svg{transition:transform var(--dur) var(--ease)}
.btn-main:hover svg{transform:translateX(4px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--primary);
  border:1px solid var(--primary);border-radius:var(--radius-s);padding:12px 22px;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-ghost:hover{background:var(--primary);color:#FAF8F4}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--primary-ink);
  border:1px solid var(--accent);border-radius:var(--radius-s);padding:13px 24px;
  font-weight:600;font-size:15px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-accent:hover{background:#FAF8F4;color:var(--primary-ink);border-color:#FAF8F4}
.btn-accent svg{transition:transform var(--dur) var(--ease)}
.btn-accent:hover svg{transform:translateX(4px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--accent);color:var(--accent-hover)}
.link-arrow svg{transition:transform var(--dur) var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- badges / tags ---------- */
.badge-cat{
  display:inline-block;background:rgba(14,59,51,.08);color:var(--primary);
  border-radius:var(--radius-pill);padding:3px 12px;font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag{
  display:inline-block;background:var(--bg-alt);color:var(--ink-2);
  border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--bg-alt);
  border-bottom:1px solid var(--line);padding:72px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(14,59,51,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,59,51,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero::after{
  content:"9";position:absolute;right:-2%;top:-28%;
  font-size:clamp(200px,26vw,340px);font-weight:800;line-height:1;
  color:rgba(14,59,51,.055);pointer-events:none;user-select:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--primary);background:rgba(14,59,51,.08);border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:20px}
.hero h1{margin-bottom:16px;max-width:16em}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:34em;margin-bottom:12px}
.hero-note{font-size:15px;color:var(--ink-2);max-width:34em;margin-bottom:26px}
.hero-search{margin-bottom:26px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-m);border:1px solid var(--line);box-shadow:var(--shadow-1);
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head p{font-size:15px;color:var(--ink-2);max-width:52em;margin:8px 0 0}
.section-kicker{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--accent);margin-bottom:10px;display:block}

/* ---------- filter row ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px;
}
.filter-chip{
  display:inline-block;border-radius:var(--radius-pill);padding:7px 18px;font-size:14px;font-weight:600;
  color:var(--ink-2);background:var(--surface);border:1px solid var(--line);cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary)}
.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#FAF8F4}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,51,.28)}
.entry-thumb{position:relative;background:var(--bg-alt)}
.entry-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body .badge-cat{align-self:flex-start}
.entry-title{font-size:1.05rem;font-weight:700;line-height:1.5;margin:0}
.entry-summary{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- pagination ---------- */
.pagination-nav{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.page-btn{
  min-width:42px;height:42px;display:inline-grid;place-items:center;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);
  color:var(--ink-2);font-size:14px;font-weight:600;
  transition:all var(--dur) var(--ease);
}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.is-current{background:var(--primary);border-color:var(--primary);color:#FAF8F4}
.page-btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;border-top:1px solid var(--line-strong);padding-top:32px}
.step{position:relative;padding-left:0}
.step-num{
  display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--accent);
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.05rem;margin-bottom:10px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:28px;box-shadow:var(--shadow-1);
}
.compare-card h3{font-size:1.1rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0}
.compare-list li{
  padding:12px 0;border-top:1px solid var(--line);font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.compare-list li:first-child{border-top:0;padding-top:0}
.compare-list strong{color:var(--ink);font-weight:700}

/* ---------- faq ---------- */
.faq{max-width:900px}
.accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--ink);font-size:1.05rem;font-weight:800;
  padding:22px 0;box-shadow:none!important;border:0;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none!important}
.accordion-button:focus{box-shadow:none!important;border-color:transparent}
.accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:1.5rem;font-weight:400;line-height:1;color:var(--accent);
  display:grid;place-items:center;transition:transform var(--dur) var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(0deg)}
.accordion-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:64em}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--primary);color:#E8E4DA;border-radius:var(--radius-m);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#FAF8F4;font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:10px}
.cta-band p{color:rgba(250,248,244,.78);font-size:15px;margin:0;max-width:40em}
.cta-band .btn-accent{flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{display:inline-block;font-size:14px;color:var(--ink-2);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-links a:hover{color:var(--primary);transform:translateX(-2px)}
.footer-search label{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px}
.footer-search-box{
  display:flex;height:44px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-s);overflow:hidden;transition:border-color var(--dur) var(--ease);
}
.footer-search-box:focus-within{border-color:var(--primary)}
.footer-search-box input{flex:1;min-width:0;border:0;outline:none;background:transparent;padding:0 14px;font-size:14px;color:var(--ink)}
.footer-search-box input::placeholder{color:var(--ink-3)}
.footer-search-box button{
  border:0;background:var(--primary);color:#FAF8F4;padding:0 20px;font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-search-box button:hover{background:var(--accent);color:var(--primary-ink)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom p{margin:0}
.footer-legal{display:flex;align-items:center;gap:8px}
.footer-legal a{color:var(--ink-3)}
.footer-legal a:hover{color:var(--primary)}

/* ---------- drawer ---------- */
.offcanvas{background:var(--bg);color:var(--ink-2)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-title{font-size:1.05rem;font-weight:800;color:var(--ink)}
.offcanvas-body{padding:22px}
.drawer-search{margin-bottom:24px;max-width:none}
.drawer-label{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
.drawer-block{margin-bottom:26px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-bottom:26px}
.drawer-nav a{
  padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.drawer-nav a:hover{color:var(--primary);padding-left:4px}
.drawer-nav a.active{color:var(--primary);border-bottom-color:var(--accent)}
.drawer-cta{width:100%;justify-content:center}
.btn-close{filter:none;opacity:.55}
.btn-close:hover{opacity:1}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.is-visible{opacity:1;transform:none;transition:opacity 320ms var(--ease),transform 320ms var(--ease)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-cta{font-size:14px;padding:10px 16px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:16px}
  .header-search{display:none}
  .icon-btn{display:grid}
  .header-cta{display:none}
  .nav-cats{overflow-x:auto;white-space:nowrap;gap:24px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nav-cats::-webkit-scrollbar{display:none}
  .nav-cats a{padding:12px 0}
  .hero{padding:56px 0 48px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero::after{font-size:220px;right:-6%;top:-18%}
  .hero-media{order:-1}
  .section{padding:72px 0}
  .compare{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .cta-band .btn-accent{width:100%;justify-content:center}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  h1{font-size:1.75rem}
  .hero{padding:44px 0 40px}
  .hero-lead{font-size:16px}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:24px}
  .section-head{margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .search-box{height:42px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .compare-card{padding:22px}
  .btn-main,.btn-ghost,.btn-accent{width:100%;justify-content:center}
  .hero-cta{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
      --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
      --font-serif:'Noto Serif SC',Georgia,serif;

      --bg:#FAF8F4;
      --surface:#FFFFFF;
      --bg-alt:#F2EFE8;
      --primary:#0E3B33;
      --primary-600:#14554A;
      --primary-ink:#08241F;
      --accent:#C08A2E;
      --accent-hover:#A87420;
      --ink:#14181C;
      --ink-2:#5A6470;
      --ink-3:#8A9199;
      --line:#E4E1D9;
      --line-strong:#CFC9BC;

      --radius-s:8px;
      --radius-m:14px;
      --radius-pill:999px;

      --shadow-1:0 1px 2px rgba(20,24,28,.04);
      --shadow-2:0 10px 28px rgba(20,24,28,.08);

      --ease:cubic-bezier(.2,.7,.2,1);
      --dur:240ms;

      --bs-body-bg:#FAF8F4;
      --bs-body-color:#5A6470;
      --bs-body-font-family:var(--font-sans);
      --bs-border-color:#E4E1D9;
      --bs-border-radius:8px;
      --bs-link-color:#0E3B33;
      --bs-link-hover-color:#14554A;
      --bs-primary:#0E3B33;
      --bs-offcanvas-width:min(370px,90vw);
    }

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

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

    body{
      margin:0;
      font-family:var(--font-sans);
      font-size:16px;
      line-height:1.8;
      color:var(--ink-2);
      background:var(--bg);
      -webkit-font-smoothing:antialiased;
      font-variant-numeric:tabular-nums;
    }

    img{max-width:100%;height:auto;display:block;}
    a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease);}
    a:hover{color:var(--primary-600);}
    button{font-family:inherit;}
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:2px solid var(--accent);
      outline-offset:2px;
    }

    .container{
      width:100%;
      max-width:1180px;
      margin-inline:auto;
      padding-inline:24px;
    }
    @media (min-width:1400px){
      .container{max-width:1240px;}
    }

    /* ============ 按钮系统 ============ */
    .btn-main,.btn-ghost,.btn-ghost-light{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:.94rem;
      font-weight:600;
      line-height:1.2;
      padding:13px 24px;
      border-radius:var(--radius-s);
      border:1px solid transparent;
      cursor:pointer;
      text-decoration:none;
      transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
    }
    .btn-main svg,.btn-ghost svg,.btn-ghost-light svg{
      transition:transform var(--dur) var(--ease);
      flex:none;
    }
    .btn-main:hover svg,.btn-ghost:hover svg,.btn-ghost-light:hover svg{transform:translateX(4px);}

    .btn-main{background:var(--primary);color:#F7F4EC;border-color:var(--primary);}
    .btn-main:hover{background:var(--accent);color:var(--primary-ink);border-color:var(--accent);}

    .btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
    .btn-ghost:hover{background:var(--primary);color:#F7F4EC;}

    .btn-ghost-light{background:transparent;color:#EFEBE0;border-color:rgba(239,235,224,.45);}
    .btn-ghost-light:hover{background:#EFEBE0;color:var(--primary-ink);border-color:#EFEBE0;}

    /* ============ 顶部导航 ============ */
    .site-header{
      position:sticky;
      top:0;
      z-index:1040;
      background:rgba(250,248,244,.92);
      -webkit-backdrop-filter:blur(10px);
      backdrop-filter:blur(10px);
      border-bottom:1px solid var(--line);
    }

    .header-top{
      display:grid;
      grid-template-columns:auto minmax(0,1fr) auto;
      align-items:center;
      gap:24px;
      height:72px;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-weight:800;
      letter-spacing:-.01em;
      white-space:nowrap;
      text-decoration:none;
    }
    .brand:hover{color:var(--ink);}
    .brand-mark{
      width:32px;height:32px;
      flex:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:9px;
      background:var(--primary);
      color:var(--accent);
      font-size:17px;
      font-weight:800;
      line-height:1;
      box-shadow:inset 0 0 0 1px rgba(192,138,46,.35);
    }
    .brand-text{font-size:1.06rem;}

    .header-search{width:100%;max-width:460px;margin-inline:auto;}

    .search-form{
      display:flex;
      align-items:center;
      gap:10px;
      height:44px;
      padding:0 16px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
    }
    .search-form:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(14,59,51,.12);
    }
    .search-form svg{flex:none;color:var(--ink-3);}
    .search-form input{
      flex:1;
      min-width:0;
      border:0;
      background:transparent;
      font:inherit;
      font-size:.94rem;
      color:var(--ink);
      outline:none;
    }
    .search-form input::placeholder{color:var(--ink-3);}

    .header-cta{padding:11px 20px;}

    .nav-cats{
      display:flex;
      align-items:center;
      gap:26px;
      height:46px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-cats::-webkit-scrollbar{display:none;}
    .nav-cats a{
      position:relative;
      font-size:.95rem;
      font-weight:500;
      color:var(--ink-2);
      padding:4px 0;
      white-space:nowrap;
    }
    .nav-cats a::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;
      height:2px;
      background:var(--accent);
      transform:scaleX(0);
      transform-origin:left;
      transition:transform var(--dur) var(--ease);
    }
    .nav-cats a:hover{color:var(--primary);}
    .nav-cats a.active{color:var(--primary);font-weight:700;}
    .nav-cats a.active::after{transform:scaleX(1);}

    .nav-toggle{
      display:none;
      width:42px;height:42px;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      border-radius:10px;
      background:var(--surface);
      color:var(--primary);
      cursor:pointer;
      transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
    }
    .nav-toggle:hover{border-color:var(--primary);}

    /* ============ 移动端抽屉 ============ */
    .mobile-drawer{background:var(--bg);border-left:1px solid var(--line);}
    .mobile-drawer .offcanvas-header{
      border-bottom:1px solid var(--line);
      padding:16px 20px;
    }
    .drawer-close{
      width:36px;height:36px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      border-radius:10px;
      background:transparent;
      color:var(--ink-2);
      font-size:20px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-close:hover{border-color:var(--primary);color:var(--primary);}
    .mobile-drawer .offcanvas-body{padding:22px 20px 40px;}
    .drawer-label{
      font-size:.78rem;
      letter-spacing:.1em;
      font-weight:700;
      color:var(--ink-3);
      margin:26px 0 12px;
    }
    .drawer-label:first-of-type{margin-top:22px;}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;}
    .tag-chip{
      padding:7px 14px;
      border-radius:var(--radius-pill);
      background:var(--bg-alt);
      color:var(--ink-2);
      font-size:.86rem;
    }
    .drawer-nav{display:grid;gap:0;}
    .drawer-nav a{
      padding:14px 4px;
      border-bottom:1px solid var(--line);
      color:var(--ink);
      font-weight:600;
      font-size:.98rem;
    }
    .drawer-nav a.active{color:var(--primary);}

    /* ============ 面包屑 ============ */
    .breadcrumb-bar{padding-top:20px;font-size:13px;color:var(--ink-3);}
    .breadcrumb-bar nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
    .breadcrumb-bar a{color:var(--ink-3);}
    .breadcrumb-bar a:hover{color:var(--primary);}
    .breadcrumb-bar .sep{color:var(--line-strong);}
    .breadcrumb-bar .current{color:var(--ink);}

    /* ============ 页头 ============ */
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:44px 0 64px;
      border-bottom:1px solid var(--line);
      background:var(--bg);
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(14,59,51,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(14,59,51,.055) 1px,transparent 1px);
      background-size:64px 64px;
      pointer-events:none;
    }
    .page-hero .watermark{
      position:absolute;
      right:-3%;
      top:-22%;
      font-size:clamp(220px,34vw,470px);
      font-weight:800;
      line-height:1;
      color:var(--primary);
      opacity:.05;
      pointer-events:none;
      user-select:none;
    }
    .page-hero-inner{position:relative;z-index:1;}

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 14px;
      border-radius:var(--radius-pill);
      background:rgba(14,59,51,.07);
      color:var(--primary);
      font-size:12px;
      letter-spacing:.08em;
      font-weight:700;
    }
    .page-hero h1{
      font-size:clamp(1.8rem,3.7vw,2.6rem);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--ink);
      margin:20px 0 16px;
      max-width:26ch;
    }
    .hero-lead{
      margin:0;
      max-width:72ch;
      font-size:1.04rem;
      line-height:1.85;
      color:var(--ink-2);
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-top:26px;
      font-size:13px;
      color:var(--ink-3);
    }
    .hero-meta i{
      width:4px;height:4px;
      border-radius:50%;
      background:var(--line-strong);
      display:inline-block;
    }

    /* ============ 通用板块 ============ */
    .section{padding:96px 0;}
    .section-alt{background:var(--bg-alt);border-block:1px solid var(--line);}
    .section-head{max-width:740px;margin-bottom:44px;}
    .section-head h2{
      font-size:clamp(1.5rem,2.6vw,2.1rem);
      line-height:1.25;
      font-weight:700;
      letter-spacing:-.01em;
      color:var(--ink);
      margin:0 0 12px;
    }
    .section-head p{margin:0;color:var(--ink-2);font-size:1rem;}

    /* ============ 时间线 ============ */
    .timeline{list-style:none;margin:0;padding:0;}

    .tl-item{
      position:relative;
      display:grid;
      grid-template-columns:72px 40px minmax(0,1fr);
      align-items:start;
      padding:30px 0;
      border-bottom:1px solid var(--line);
    }
    .tl-item:last-child{border-bottom:0;}
    .tl-item::before{
      content:"";
      position:absolute;
      left:91px;
      top:0;
      bottom:0;
      width:2px;
      background:var(--line);
    }
    .tl-item:first-child::before{top:36px;}
    .tl-item:last-child::before{bottom:auto;height:36px;}

    .tl-num{
      grid-column:1;
      text-align:right;
      padding-right:16px;
      margin-top:4px;
      font-size:1.06rem;
      font-weight:800;
      letter-spacing:.02em;
      color:var(--primary);
    }
    .tl-dot{
      grid-column:2;
      justify-self:center;
      width:11px;height:11px;
      margin-top:9px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px var(--bg);
      position:relative;
      z-index:1;
    }
    .section-alt .tl-dot{box-shadow:0 0 0 4px var(--bg-alt);}

    .tl-body{grid-column:3;padding-left:20px;}
    .tl-body h3{
      margin:4px 0 8px;
      font-size:1.15rem;
      line-height:1.4;
      font-weight:700;
      color:var(--ink);
    }
    .tl-body p{
      margin:0;
      max-width:66ch;
      font-size:.97rem;
      line-height:1.85;
      color:var(--ink-2);
    }
    .tl-img{
      width:100%;
      max-width:560px;
      margin-top:18px;
      border:1px solid var(--line);
      border-radius:var(--radius-m);
      aspect-ratio:16/10;
      object-fit:cover;
      background:var(--bg-alt);
    }

    /* ============ 查阅建议 ============ */
    .notes{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:1px;
      background:var(--line);
      border:1px solid var(--line);
      border-radius:var(--radius-m);
      overflow:hidden;
    }
    .note{
      background:var(--surface);
      padding:32px 28px;
      transition:background-color var(--dur) var(--ease);
    }
    .note:hover{background:#FCFBF7;}
    .note-index{
      display:inline-block;
      font-size:.76rem;
      letter-spacing:.16em;
      font-weight:700;
      color:var(--accent);
    }
    .note h3{
      margin:12px 0 8px;
      font-size:1.05rem;
      font-weight:700;
      color:var(--ink);
    }
    .note p{margin:0;font-size:.94rem;line-height:1.8;color:var(--ink-2);}

    /* ============ FAQ ============ */
    .faq-list{border-top:1px solid var(--line);}
    .faq-item{border-bottom:1px solid var(--line);}
    .faq-q{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      width:100%;
      padding:24px 4px;
      background:transparent;
      border:0;
      text-align:left;
      font-size:1.05rem;
      font-weight:800;
      line-height:1.5;
      color:var(--ink);
      cursor:pointer;
      transition:color var(--dur) var(--ease);
    }
    .faq-q:hover{color:var(--primary);}
    .faq-q[aria-expanded="true"]{color:var(--primary);}
    .faq-sign{
      position:relative;
      flex:none;
      width:18px;height:18px;
      transition:transform var(--dur) var(--ease);
    }
    .faq-sign::before,.faq-sign::after{
      content:"";
      position:absolute;
      left:50%;top:50%;
      background:var(--primary);
      transform:translate(-50%,-50%);
    }
    .faq-sign::before{width:16px;height:2px;}
    .faq-sign::after{width:2px;height:16px;}
    .faq-q[aria-expanded="true"] .faq-sign{transform:rotate(45deg);}
    .faq-a{
      padding:0 4px 26px;
      max-width:80ch;
      font-size:.97rem;
      line-height:1.85;
      color:var(--ink-2);
    }

    /* ============ CTA 区块 ============ */
    .cta-band{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:32px;
      flex-wrap:wrap;
      padding:44px;
      border-radius:var(--radius-m);
      background:var(--primary);
      color:#EFEBE0;
      box-shadow:var(--shadow-2);
    }
    .cta-band h2{
      margin:0 0 10px;
      font-size:clamp(1.3rem,2.2vw,1.7rem);
      font-weight:700;
      line-height:1.3;
      color:#F7F4EC;
    }
    .cta-band p{
      margin:0;
      max-width:56ch;
      font-size:.96rem;
      line-height:1.8;
      color:rgba(239,235,224,.78);
    }
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

    /* ============ 页脚 ============ */
    .site-footer{
      border-top:1px solid var(--line);
      background:var(--bg-alt);
      padding:56px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr 1fr 1fr 1.4fr;
      gap:40px;
    }
    .footer-brand{margin-bottom:14px;}
    .footer-desc{
      margin:0;
      max-width:36ch;
      font-size:.94rem;
      line-height:1.8;
      color:var(--ink-2);
    }
    .footer-title{
      margin:0 0 14px;
      font-size:.8rem;
      letter-spacing:.08em;
      font-weight:700;
      color:var(--ink-3);
    }
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
    .footer-links a{
      display:inline-block;
      font-size:.94rem;
      color:var(--ink-2);
      transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
    }
    .footer-links a:hover{color:var(--primary);transform:translateX(-2px);}

    .footer-search label{
      display:block;
      margin-bottom:10px;
      font-size:.8rem;
      letter-spacing:.08em;
      font-weight:700;
      color:var(--ink-3);
    }
    .footer-search-box{display:flex;gap:8px;}
    .footer-search-box input{
      flex:1;
      min-width:0;
      height:44px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:var(--radius-s);
      background:var(--surface);
      font:inherit;
      font-size:.92rem;
      color:var(--ink);
      outline:none;
      transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
    }
    .footer-search-box input::placeholder{color:var(--ink-3);}
    .footer-search-box input:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(14,59,51,.1);
    }
    .footer-search-box button{
      height:44px;
      padding:0 20px;
      border:1px solid var(--primary);
      border-radius:var(--radius-s);
      background:var(--primary);
      color:#F7F4EC;
      font-size:.9rem;
      font-weight:600;
      cursor:pointer;
      transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
    }
    .footer-search-box button:hover{
      background:var(--accent);
      border-color:var(--accent);
      color:var(--primary-ink);
    }

    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:8px 24px;
      margin-top:40px;
      padding-top:20px;
      border-top:1px solid var(--line);
      font-size:13px;
      color:var(--ink-3);
    }
    .footer-bottom p{margin:0;}
    .footer-legal{display:inline-flex;align-items:center;gap:8px;}
    .footer-legal a{color:var(--ink-3);}
    .footer-legal a:hover{color:var(--primary);}
    .footer-legal span{color:var(--line-strong);}

    /* ============ 入场动效 ============ */
    .reveal{
      opacity:0;
      transform:translateY(14px);
      transition:opacity 320ms var(--ease),transform 320ms var(--ease);
    }
    .reveal.is-visible{opacity:1;transform:none;}

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.001ms !important;
        transition-duration:.001ms !important;
      }
      .reveal{opacity:1;transform:none;}
      html{scroll-behavior:auto;}
    }

    /* ============ 响应式 ============ */
    @media (max-width:1199px){
      .header-cta{display:none;}
      .header-search{max-width:360px;}
      .nav-cats{gap:20px;}
    }

    @media (max-width:991px){
      .section{padding:72px 0;}
      .header-top{
        display:flex;
        align-items:center;
        justify-content:space-between;
        height:64px;
        gap:12px;
      }
      .header-search{display:none;}
      .nav-cats{display:none;}
      .nav-toggle{display:inline-flex;}
      .page-hero{padding:36px 0 52px;}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
      .notes{grid-template-columns:1fr;}
      .cta-band{padding:34px 28px;}
    }

    @media (max-width:767px){
      .footer-bottom{flex-direction:column;align-items:flex-start;}
      .brand-text{font-size:1rem;}
    }

    @media (max-width:575px){
      .container{padding-inline:18px;}
      .section{padding:56px 0;}
      .page-hero h1{max-width:none;}
      .footer-grid{grid-template-columns:1fr;gap:28px;}
      .tl-item{grid-template-columns:44px 28px minmax(0,1fr);padding:24px 0;}
      .tl-item::before{left:57px;}
      .tl-num{padding-right:10px;font-size:.95rem;}
      .tl-body{padding-left:14px;}
      .tl-body h3{font-size:1.06rem;}
      .faq-q{font-size:1rem;padding:20px 2px;}
      .cta-band{padding:28px 22px;}
      .cta-actions{width:100%;}
      .cta-actions .btn-main,.cta-actions .btn-ghost-light{flex:1;justify-content:center;}
    }

/* roulang page: category4 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --bg-alt:#F2EFE8;
  --primary:#0E3B33;
  --primary-600:#14554A;
  --primary-ink:#08241F;
  --accent:#C08A2E;
  --accent-hover:#A87420;
  --ink:#14181C;
  --ink-2:#5A6470;
  --ink-3:#8A9199;
  --line:#E4E1D9;
  --line-strong:#CFC9BC;
  --radius-s:8px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.04);
  --shadow-2:0 10px 28px rgba(20,24,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;

  --bs-primary:#0E3B33;
  --bs-body-bg:#FAF8F4;
  --bs-body-color:#14181C;
  --bs-body-font-family:var(--font-sans);
  --bs-border-color:#E4E1D9;
  --bs-border-radius:14px;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#A87420;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
a:hover{color:var(--accent-hover);}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(192,138,46,.25);}

.container{width:100%;max-width:1180px !important;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--radius-s);
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform var(--dur) var(--ease);}
.btn-primary{background:var(--primary);color:#F6F4EE;border-color:var(--primary);}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-ink);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary);color:#F6F4EE;}
.btn-block{width:100%;}
.cta-band .btn-ghost{color:#F3EFE4;border-color:rgba(243,239,228,.55);}
.cta-band .btn-ghost:hover{background:#F3EFE4;color:var(--primary);border-color:#F3EFE4;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;
}
.link-arrow:hover{border-bottom-color:var(--accent);}
.link-arrow svg{width:14px;height:14px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,248,244,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#F5EFE0;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
}
.brand-mark::after{
  content:"";position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 3px var(--bg);
}
.brand-text{font-size:17px;font-weight:800;color:var(--primary-ink);white-space:nowrap;letter-spacing:-.01em;}

.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:380px;height:44px;padding:0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.nav-search .ico{width:18px;height:18px;flex:none;fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round;}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.nav-search input::placeholder{color:var(--ink-3);}

.nav-cats{display:flex;align-items:center;gap:20px;flex:none;}
.nav-cats a{position:relative;padding:6px 0;font-size:14.5px;color:var(--ink-2);white-space:nowrap;}
.nav-cats a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.nav-cats a:hover{color:var(--primary);}
.nav-cats a:hover::after{transform:scaleX(1);}
.nav-cats a.active{color:var(--primary);font-weight:700;}
.nav-cats a.active::after{transform:scaleX(1);}

.header-cta{flex:none;padding:11px 20px;font-size:14px;}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}

.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:20px 24px 26px;}
.mobile-panel.open{display:block;}
.mobile-search{max-width:none;margin-bottom:20px;}
.panel-label{font-size:12px;letter-spacing:.08em;color:var(--ink-3);font-weight:700;margin-bottom:10px;}
.panel-cats{display:flex;flex-direction:column;margin-bottom:20px;}
.panel-cats a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);}
.panel-cats a.active{color:var(--primary);font-weight:700;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs span{color:var(--line-strong);}
.crumbs .current{color:var(--ink);}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:52px 0 68px;background:var(--bg);}
.page-hero::before{
  content:"9";position:absolute;right:-30px;top:-90px;
  font-size:360px;font-weight:800;line-height:1;color:var(--primary);
  opacity:.05;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;opacity:.4;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
}
.page-hero .container{position:relative;z-index:1;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--primary);background:rgba(14,59,51,.07);
  border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:18px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,3.05rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px;}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:640px;margin-bottom:14px;}
.hero-note{font-size:14px;color:var(--ink-3);max-width:640px;}
.hero-figure{margin:0;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-m);border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.hero-figure figcaption{font-size:13px;color:var(--ink-3);margin-top:10px;text-align:center;}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0;scroll-margin-top:96px;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--primary);background:rgba(14,59,51,.07);
  border-radius:var(--radius-pill);padding:5px 13px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:700;margin-bottom:12px;}
.sec-sub{font-size:15.5px;color:var(--ink-2);}

/* ---------- 问答堆叠 ---------- */
.qa-list{border-top:1px solid var(--line);}
.qa-item{padding:26px 0;border-bottom:1px solid var(--line);}
.qa-q{position:relative;padding-left:42px;font-size:1.1875rem;font-weight:800;color:var(--ink);margin-bottom:10px;}
.qa-q::before{
  content:"Q";position:absolute;left:0;top:3px;
  width:26px;height:26px;border-radius:8px;
  background:var(--primary);color:#F5EFE0;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.qa-a{padding-left:42px;font-size:15.5px;color:var(--ink-2);}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.side-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(14,59,51,.28);}
.side-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:14px;}
.side-links li{border-bottom:1px solid var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--ink-2);}
.side-links a:hover{color:var(--primary);transform:translateX(2px);}
.side-links svg{width:14px;height:14px;flex:none;stroke:var(--line-strong);fill:none;stroke-width:2;}
.side-links a:hover svg{stroke:var(--accent);}
.side-figure{margin:0 0 18px;}
.side-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;border:1px solid var(--line);}
.side-cta{background:var(--primary);border-color:var(--primary);color:#F1EDE2;}
.side-cta .side-cta-title{font-size:16.5px;font-weight:800;color:#F8F5EC;margin-bottom:8px;}
.side-cta .side-cta-text{font-size:14px;color:rgba(241,237,226,.78);margin-bottom:18px;}
.side-cta .btn-primary{background:var(--accent);border-color:var(--accent);color:var(--primary-ink);}
.side-cta .btn-primary:hover{background:#F3EFE4;border-color:#F3EFE4;color:var(--primary);}

/* ---------- 对照表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-1);
}
.cmp-table{width:100%;border-collapse:collapse;margin:0;}
.cmp-table thead th{
  background:var(--primary);color:#F3EFE4;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  text-align:left;padding:15px 20px;white-space:nowrap;
}
.cmp-table td{padding:16px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);vertical-align:top;}
.cmp-table tbody tr:hover td{background:var(--bg-alt);}
.cmp-table td:first-child{color:var(--ink);font-weight:700;width:32%;}

/* ---------- 流程 ---------- */
.flow{position:relative;padding-left:28px;}
.flow::before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:var(--line-strong);}
.flow-item{position:relative;padding:0 0 30px;}
.flow-item:last-child{padding-bottom:0;}
.flow-item::before{
  content:"";position:absolute;left:-28px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);
}
.flow-num{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);}
.flow-item h3{font-size:18px;font-weight:800;margin:4px 0 8px;}
.flow-item p{font-size:15px;color:var(--ink-2);max-width:620px;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:26px 24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat-num{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:22px 0;font-size:16.5px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:16px;
}
.faq .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;border:0;}
.faq .accordion-button::after{display:none;}
.faq .acc-icon{position:relative;flex:none;width:20px;height:20px;margin-left:auto;}
.faq .acc-icon::before,
.faq .acc-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--dur) var(--ease);}
.faq .acc-icon::before{left:0;right:0;top:50%;height:2px;transform:translateY(-50%);}
.faq .acc-icon::after{top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);}
.faq .accordion-button:not(.collapsed) .acc-icon::after{transform:translateX(-50%) rotate(90deg);opacity:0;}
.faq .accordion-body{padding:0 40px 24px 0;font-size:15.5px;color:var(--ink-2);max-width:840px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary);color:#F1EDE2;padding:64px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-title{font-size:clamp(1.4rem,2.4vw,1.85rem);font-weight:800;color:#F8F5EC;margin-bottom:10px;}
.cta-text{font-size:15px;color:rgba(241,237,226,.78);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--ink-2);max-width:340px;}
.footer-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{display:inline-block;font-size:14.5px;color:var(--ink-2);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-search label{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px;}
.footer-search-box{display:flex;gap:8px;}
.footer-search-box input{
  flex:1;min-width:0;height:44px;padding:0 15px;font-size:14px;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.footer-search-box button{
  height:44px;padding:0 20px;border:1px solid var(--primary);border-radius:var(--radius-s);
  background:var(--primary);color:#F6F4EE;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-search-box button:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-ink);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  border-top:1px solid var(--line);margin-top:48px;padding-top:20px;
  font-size:13px;color:var(--ink-3);
}
.footer-legal a{color:var(--ink-3);}
.footer-legal a:hover{color:var(--primary);}
.footer-legal span{margin:0 8px;opacity:.6;}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container{max-width:1240px !important;}
}
@media (max-width:1199px){
  .nav-search{max-width:300px;}
  .nav-cats{gap:16px;}
  .nav-cats a{font-size:14px;}
}
@media (max-width:1099px){
  .nav-cats,.nav-search,.header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .page-hero{padding:44px 0 56px;}
  .side-sticky{position:static;margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-child(-n+2){border-top:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cmp-table td:first-child{width:38%;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{padding:34px 0 46px;}
  .page-hero::before{font-size:240px;top:-50px;}
  .hero-lead{font-size:16px;}
  .qa-q{font-size:1.0625rem;padding-left:36px;}
  .qa-a{padding-left:36px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .table-wrap{overflow-x:auto;}
  .cmp-table{min-width:520px;}
  .faq .accordion-button{font-size:15.5px;}
  .faq .accordion-body{padding-right:0;}
}
@media (max-width:575px){
  .container{padding:0 18px;}
  .brand-text{font-size:16px;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0 !important;border-top:1px solid var(--line);}
  .stat:first-child{border-top:0;}
  .cta-actions .btn{width:100%;}
}