/* roulang page: index */
:root{
  --c-primary:#0E5B54;
  --c-primary-dark:#08403B;
  --c-primary-soft:#E6EFEC;
  --c-primary-line:#BFD6D1;
  --c-accent:#C97B3C;
  --c-accent-soft:#FBEFE2;
  --c-accent-dark:#A25F28;
  --c-ink:#16211F;
  --c-ink-2:#4A5553;
  --c-ink-3:#7C8785;
  --c-ink-4:#A8B0AE;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-section:#F1EEE7;
  --c-line:#E5E1D8;
  --c-panel:#08201E;
  --c-panel-ink:#E9EFED;
  --c-panel-ink-2:#9FB3AF;
  --c-ok:#2F7D5B;
  --c-err:#B23B2E;
  --r-nav:20px;
  --r-lg:16px;
  --r-md:10px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --sh-sm:0 1px 2px rgba(16,33,31,.06);
  --sh-md:0 8px 24px rgba(16,33,31,.08);
  --sh-lg:0 20px 48px rgba(16,33,31,.12);
  --f-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.8,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--f-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 18px;padding-left:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease);}
a:hover{color:var(--c-primary-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container,
.container-fluid,
.container-lg,
.container-xl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container,.container-lg,.container-xl{max-width:1240px;}
}
.row{--bs-gutter-x:28px;--bs-gutter-y:28px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-outline:hover{background:var(--c-primary);color:#fff;}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  padding:8px 0;
  min-height:auto;
  border-bottom:1px solid transparent;
}
.btn-ghost:hover{border-bottom-color:var(--c-primary);}
.btn-soft{
  background:var(--c-primary-soft);
  color:var(--c-primary);
  border-color:var(--c-primary-line);
}
.btn-soft:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn:disabled,.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-dark);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  border:1px solid var(--c-primary-line);
}

.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}

.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-deep{padding:96px 0;}
.section-alt{background:var(--c-section);}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--f-serif);
  font-size:30px;
  line-height:1.35;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:3px;
  background:var(--c-primary);
}
.section-head .head-note{
  color:var(--c-ink-2);
  font-size:15px;
  max-width:520px;
  margin-top:10px;
}
.section-head .head-link{
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  padding-top:16px;
  padding-bottom:8px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-md);
  padding:12px 16px;
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-lg);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:var(--r-md);
  background:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{
  font-size:16px;
  color:var(--c-ink);
  font-weight:700;
  letter-spacing:.01em;
}
.brand-text small{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.06em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  flex-wrap:wrap;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 14px;
  border-radius:var(--r-md);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.nav-chip svg{width:18px;height:18px;stroke-width:1.6;}
.nav-chip:hover{background:var(--c-primary);color:#fff;}
.nav-chip.is-active{background:var(--c-primary);color:#fff;}
.nav-cta{margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  align-items:center;
  justify-content:center;
  margin-left:auto;
}
.nav-toggle svg{width:22px;height:22px;stroke-width:1.6;}

.drawer{
  background:var(--c-bg);
}
.drawer .offcanvas-header{padding:20px 20px 8px;}
.drawer .offcanvas-body{padding:12px 20px 100px;}
.drawer-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--c-card);
  border:1px solid var(--c-line);
  color:var(--c-ink);
  font-size:15px;
  font-weight:600;
  margin-bottom:12px;
  box-shadow:var(--sh-sm);
}
.drawer-link svg{width:20px;height:20px;stroke-width:1.6;color:var(--c-primary);flex-shrink:0;}
.drawer-link .arrow{margin-left:auto;color:var(--c-ink-4);}
.drawer-link.is-active{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-foot{
  position:fixed;
  left:0;right:0;bottom:0;
  padding:16px 20px 20px;
  background:var(--c-bg);
  border-top:1px solid var(--c-line);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 88px;
  overflow:hidden;
}
.hero-cloud{
  position:absolute;
  top:-60px;
  right:-80px;
  width:520px;
  height:420px;
  opacity:.08;
  pointer-events:none;
}
.hero-copy h1{
  font-family:var(--f-serif);
  font-size:44px;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:20px 0 0;
}
.hero-sub{
  font-size:18px;
  line-height:1.9;
  color:var(--c-ink-2);
  margin-top:18px;
  max-width:38em;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:30px;
}
.hero-points{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
}
.hero-point{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--c-ink-2);
  font-weight:600;
}
.hero-point svg{width:18px;height:18px;stroke-width:1.6;color:var(--c-primary);}
.hero-visual{position:relative;padding-right:12px;padding-bottom:12px;}
.hero-visual::after{
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  left:12px;
  top:12px;
  background:var(--c-primary-soft);
  border-radius:var(--r-lg);
  z-index:0;
}
.hero-visual img{
  position:relative;
  z-index:1;
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--c-primary-line);
  background:var(--c-primary-soft);
}

/* ---------- 主张条 ---------- */
.claim-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr;
  gap:20px;
  margin-top:-40px;
}
.claim{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:28px;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.claim:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.claim-strong{background:var(--c-primary-soft);border-color:var(--c-primary-line);}
.claim-num{
  font-family:var(--f-serif);
  font-size:26px;
  color:var(--c-accent);
  line-height:1;
  letter-spacing:.02em;
}
.claim h3{font-size:18px;margin:14px 0 8px;}
.claim p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- 故事区 ---------- */
.story-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-primary-soft);
}
.story-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.story-media:hover img{transform:scale(1.03);}
.story-body h2{
  font-family:var(--f-serif);
  font-size:30px;
  line-height:1.35;
  position:relative;
  padding-left:16px;
  margin-bottom:8px;
}
.story-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:3px;
  background:var(--c-primary);
}
.story-body h2 + .lead{margin-top:20px;}
.lead{font-size:18px;line-height:1.9;color:var(--c-ink-2);}
.story-list{margin-top:24px;}
.story-list li{
  display:flex;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--c-card);
  border:1px solid var(--c-line);
  margin-bottom:12px;
  transition:background-color 160ms var(--ease);
}
.story-list li:hover{background:var(--c-section);}
.story-list svg{width:20px;height:20px;stroke-width:1.6;color:var(--c-primary);flex-shrink:0;margin-top:4px;}
.story-list strong{display:block;font-size:15.5px;margin-bottom:2px;}
.story-list span{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- 精选内容 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  grid-template-rows:auto auto;
  gap:20px;
}
.feature-main{
  grid-row:1 / span 2;
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--c-primary-soft);
  border:1px solid var(--c-primary-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.feature-main:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.feature-flag{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
}
.feature-media{overflow:hidden;}
.feature-media img{
  width:100%;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.feature-main .feature-media img{aspect-ratio:2/1;}
.feature-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feature-body h3{font-size:21px;line-height:1.45;}
.feature-body p{font-size:15px;color:var(--c-ink-2);margin:0;}
.feature-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.02em;
}
.feature-side{
  display:flex;
  gap:16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.feature-side:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.feature-side .feature-media{width:42%;flex-shrink:0;}
.feature-side .feature-media img{height:100%;min-height:170px;aspect-ratio:16/10;}
.feature-side .feature-body{padding:20px;gap:8px;}
.feature-side h3{font-size:17px;}
.feature-side p{font-size:14px;}

/* ---------- 最新动态 CMS ---------- */
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-row{
  display:flex;
  gap:20px;
  padding:16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  color:var(--c-ink);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.news-row:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:var(--c-primary-line);color:var(--c-ink);}
.news-thumb{
  width:200px;
  height:130px;
  flex-shrink:0;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--c-primary-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.news-row:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0;}
.news-body h3{font-size:19px;line-height:1.4;}
.news-body p{
  font-size:14.5px;
  color:var(--c-ink-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.02em;
  flex-wrap:wrap;
}
.news-foot .more{
  margin-left:auto;
  color:var(--c-primary);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-foot .more svg{width:16px;height:16px;stroke-width:1.6;}
.empty-state{
  background:var(--c-primary-soft);
  border:1px dashed var(--c-primary-line);
  border-radius:var(--r-lg);
  padding:56px 24px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state svg{width:40px;height:40px;stroke-width:1.6;color:var(--c-primary);}
.empty-state p{font-size:16px;color:var(--c-ink-2);margin:0;}

/* ---------- 信任背书 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.stat{
  padding:28px 24px;
  border-right:1px solid var(--c-line);
}
.stat:last-child{border-right:none;}
.stat strong{
  display:block;
  font-family:var(--f-serif);
  font-size:38px;
  line-height:1.1;
  color:var(--c-primary);
}
.stat span{display:block;font-size:13.5px;color:var(--c-ink-3);margin-top:8px;letter-spacing:.02em;}
.logo-wall{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:12px;
  margin-top:24px;
}
.logo-item{
  display:flex;
  align-items:center;
  justify-content:center;
  height:72px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  background:var(--c-card);
  color:var(--c-ink-4);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
  filter:grayscale(60%);
  transition:filter 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.logo-item:hover{filter:grayscale(0);color:var(--c-primary);border-color:var(--c-primary-line);}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;}
.quote{
  position:relative;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:32px 28px 26px;
}
.quote::before{
  content:"\201C";
  position:absolute;
  top:8px;
  left:22px;
  font-family:var(--f-serif);
  font-size:64px;
  line-height:1;
  color:var(--c-primary-line);
}
.quote p{
  font-size:16.5px;
  line-height:1.85;
  position:relative;
  z-index:1;
  margin-bottom:14px;
}
.quote cite{font-style:normal;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:background-color 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-item.is-open{background:var(--c-primary-soft);border-color:var(--c-primary-line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  text-align:left;
  padding:18px 22px;
  background:transparent;
  border:none;
  font-size:17px;
  font-weight:600;
  color:var(--c-primary);
  cursor:pointer;
}
.faq-sign{
  margin-left:auto;
  flex-shrink:0;
  width:24px;
  height:24px;
  position:relative;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.faq-sign::before{left:3px;right:3px;top:11px;height:2px;}
.faq-sign::after{top:3px;bottom:3px;left:11px;width:2px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms var(--ease);
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15.5px;
  color:var(--c-ink-2);
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  background:var(--c-panel);
  padding:56px;
  color:var(--c-panel-ink);
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(8,32,30,.94) 0%,rgba(8,32,30,.86) 55%,rgba(8,32,30,.72) 100%);
  pointer-events:none;
}
.cta-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.5;
}
.cta-inner{position:relative;z-index:2;}
.cta-panel h2{
  font-family:var(--f-serif);
  font-size:30px;
  line-height:1.35;
  color:#fff;
  margin-bottom:14px;
}
.cta-panel p{color:var(--c-panel-ink-2);font-size:15.5px;max-width:46em;}
.cta-form{display:flex;gap:12px;margin-top:8px;}
.cta-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-md);
  border:1px solid rgba(233,239,237,.24);
  background:rgba(233,239,237,.08);
  color:#fff;
  font-size:15px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.cta-form input::placeholder{color:var(--c-panel-ink-2);}
.cta-form input:focus{
  outline:none;
  border-color:var(--c-primary-line);
  box-shadow:0 0 0 3px rgba(191,214,209,.24);
}
.form-hint{font-size:12px;color:var(--c-panel-ink-2);margin-top:12px;letter-spacing:.02em;}
.form-note{font-size:12px;margin-top:8px;color:#E9C6A6;}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-panel-ink);}
.cta-list svg{width:18px;height:18px;stroke-width:1.6;color:var(--c-accent);flex-shrink:0;margin-top:4px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-panel);
  color:var(--c-panel-ink);
  margin-top:96px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{padding:0 28px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-col + .footer-col{border-left:1px solid rgba(233,239,237,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-col p{font-size:14px;color:var(--c-panel-ink-2);line-height:1.85;max-width:32em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  color:var(--c-panel-ink-2);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-links a:hover{color:#fff;}
.footer-links svg{width:16px;height:16px;stroke-width:1.6;}
.footer-contact li{font-size:14px;color:var(--c-panel-ink-2);margin-bottom:10px;display:flex;gap:10px;}
.footer-contact svg{width:16px;height:16px;stroke-width:1.6;color:var(--c-accent);flex-shrink:0;margin-top:4px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(233,239,237,.12);
  padding:20px 0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--c-panel-ink-2);
  letter-spacing:.02em;
}
.footer-bottom span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 220ms var(--ease),transform 220ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:38px;}
  .section-head h2,.story-body h2,.cta-panel h2{font-size:27px;}
  .stat strong{font-size:32px;}
  .logo-wall{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:48px 0 64px;}
  .hero-visual{margin-top:40px;padding-right:10px;padding-bottom:10px;}
  .hero-copy h1{font-size:34px;}
  .claim-grid{grid-template-columns:1fr;margin-top:32px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{grid-row:auto;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-panel{padding:36px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col{padding:0 0 28px;}
  .footer-col + .footer-col{border-left:none;}
  .section{padding:64px 0;}
  .section-deep{padding:64px 0;}
  .section-tight{padding:48px 0;}
}
@media (max-width:767.98px){
  .container,.container-fluid,.container-lg,.container-xl{padding-left:16px;padding-right:16px;}
  .hero-copy h1{font-size:30px;}
  .hero-sub{font-size:16.5px;}
  .section{padding:48px 0;}
  .section-deep{padding:56px 0;}
  .section-head h2,.story-body h2,.cta-panel h2{font-size:23px;}
  .news-row{flex-direction:column;}
  .news-thumb{width:100%;height:180px;}
  .feature-side{flex-direction:column;}
  .feature-side .feature-media{width:100%;}
  .feature-side .feature-media img{min-height:0;height:180px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:1px solid var(--c-line);}
  .stat:last-child{border-bottom:none;}
  .quote{padding:28px 20px 22px;}
}
@media (max-width:575.98px){
  .hero-copy h1{font-size:26px;}
  .brand-text small{display:none;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:12px;flex-direction:column;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-primary:#0E5B54;
  --c-primary-dark:#08403B;
  --c-primary-soft:#E6EFEC;
  --c-primary-line:#BFD6D1;
  --c-accent:#C97B3C;
  --c-accent-soft:#FBEFE2;
  --c-accent-dark:#A25F28;
  --c-ink:#16211F;
  --c-text:#4A5553;
  --c-muted:#7C8785;
  --c-disabled:#A8B0AE;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-sect:#F1EEE7;
  --c-line:#E5E1D8;
  --c-panel:#08201E;
  --c-panel-text:#E9EFED;
  --c-panel-muted:#9FB3AF;
  --c-success:#2F7D5B;
  --c-error:#B23B2E;
  --r-nav:20px; --r-lg:16px; --r-sm:10px; --r-btn:12px; --r-chip:999px; --r-img:14px; --r-input:10px;
  --sh-sm:0 1px 2px rgba(16,33,31,.06);
  --sh-md:0 8px 24px rgba(16,33,31,.08);
  --sh-lg:0 20px 48px rgba(16,33,31,.12);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --ease:cubic-bezier(.2,.8,.3,1);
  --t:200ms;
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-body);font-size:16.5px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--s5)}
@media (min-width:1440px){.container{max-width:1240px}}
@media (max-width:767px){.container{padding:0 var(--s4)}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:var(--s4) 0 0}
.nav-panel{
  display:flex;align-items:center;gap:var(--s4);
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-nav);
  box-shadow:var(--sh-md);padding:var(--s3) var(--s4);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-lg)}
.brand{display:flex;align-items:center;gap:var(--s3);flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--c-primary-soft);
  color:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--font-title);font-size:17px;color:var(--c-ink);letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--c-muted);letter-spacing:.06em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:var(--s2);margin-left:auto}
.nav-chip{
  display:inline-flex;align-items:center;gap:var(--s2);
  background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-sm);padding:var(--s2) 14px;font-size:13px;font-weight:500;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
  white-space:nowrap;
}
.nav-chip svg{width:20px;height:20px;stroke-width:1.6;flex:0 0 auto}
.nav-chip:hover,.nav-chip.is-active{background:var(--c-primary);color:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-card);color:var(--c-primary);
  align-items:center;justify-content:center;cursor:pointer;
  transition:background var(--t) var(--ease);
}
.nav-toggle svg{width:22px;height:22px;stroke-width:1.6}
.nav-toggle:hover{background:var(--c-primary-soft)}
.nav-drawer{background:var(--c-bg);width:min(380px,88vw)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:var(--s5)}
.nav-drawer .offcanvas-title{font-family:var(--font-title);font-size:19px}
.nav-drawer .offcanvas-body{padding:var(--s5);display:flex;flex-direction:column;gap:var(--s3)}
.drawer-item{
  display:flex;align-items:center;gap:var(--s3);
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:14px var(--s4);font-size:15px;color:var(--c-ink);
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.drawer-item svg{width:20px;height:20px;stroke-width:1.6;color:var(--c-primary)}
.drawer-item .arrow{margin-left:auto;color:var(--c-muted)}
.drawer-item:hover{background:var(--c-primary-soft);box-shadow:var(--sh-sm)}
.drawer-item.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.drawer-item.is-active svg,.drawer-item.is-active .arrow{color:#fff}
.drawer-foot{padding:var(--s5);border-top:1px solid var(--c-line);background:var(--c-card)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);
  min-height:44px;padding:var(--s3) var(--s5);border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-outline{background:transparent;border-color:var(--c-primary-line);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-primary-soft)}
.btn-ghost{background:transparent;color:var(--c-primary);padding:6px 0;min-height:auto;border-radius:0;font-weight:600}
.btn-ghost span{border-bottom:1px solid transparent;transition:border-color var(--t) var(--ease)}
.btn-ghost:hover span{border-color:var(--c-primary)}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.6;padding:var(--s1) 12px;border-radius:var(--r-chip);
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:500;letter-spacing:.02em;
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-dark)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:var(--s5) 0 0}
.crumbs{
  display:flex;align-items:center;gap:var(--s2);
  font-size:13px;color:var(--c-muted);letter-spacing:.02em;
  overflow-x:auto;white-space:nowrap;padding-bottom:2px;
}
.crumbs a{transition:color var(--t) var(--ease)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-disabled)}
.crumbs .is-current{color:var(--c-primary);font-weight:500}

/* ---------- 文章头部 ---------- */
.article-hero{padding:var(--s5) 0 0}
.article-head{
  position:relative;background-color:var(--c-card);
  background-image:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.98)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  padding:var(--s6) var(--s7);
}
.article-title{
  font-family:var(--font-title);font-size:34px;font-weight:700;line-height:1.28;letter-spacing:-.01em;
  color:var(--c-ink);margin:var(--s4) 0 var(--s5);max-width:900px;
}
@media (min-width:1200px){.article-title{font-size:42px}}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--c-muted);letter-spacing:.02em;
}
.article-meta .dot{width:1px;height:12px;background:var(--c-line)}
.article-meta .strong{color:var(--c-text)}

/* ---------- 主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:var(--s7);
  padding:var(--s7) 0 var(--s8);
  align-items:start;
}
.article-main{min-width:0}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:780px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:var(--s6);
}
.article-body > p:first-of-type{
  font-size:18px;line-height:1.9;color:var(--c-text);
  border-left:3px solid var(--c-accent);padding-left:var(--s4);margin-bottom:var(--s5);
}
.article-body h2{
  font-family:var(--font-title);font-size:26px;line-height:1.35;color:var(--c-ink);
  border-left:4px solid var(--c-primary);padding-left:14px;
  margin:56px 0 20px;
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--c-ink);margin:var(--s6) 0 var(--s3)}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:var(--s5) 0 var(--s3)}
.article-body p{margin:0 0 18px;line-height:1.88}
.article-body ul{margin:0 0 20px}
.article-body ul > li{position:relative;padding-left:20px;line-height:1.9;margin-bottom:var(--s2);color:var(--c-text)}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{margin:0 0 20px;counter-reset:li}
.article-body ol > li{
  position:relative;padding-left:28px;line-height:1.9;margin-bottom:var(--s2);counter-increment:li;color:var(--c-text);
}
.article-body ol > li::before{
  content:counter(li);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;display:grid;place-items:center;
}
.article-body blockquote{
  margin:var(--s5) 0;background:var(--c-primary-soft);border-left:4px solid var(--c-primary);
  border-radius:var(--r-sm);padding:var(--s5);color:var(--c-text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:var(--s5) auto;max-width:780px;height:auto}
.article-body figure{margin:var(--s5) 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:var(--s3)}
.article-body table{width:100%;border-collapse:collapse;margin:var(--s5) 0;font-size:15px}
.article-body th{background:var(--c-primary-soft);color:var(--c-ink);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:var(--s3);border-bottom:1px solid var(--c-line)}
.article-body code{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  border-radius:var(--r-sm);padding:2px 8px;font-size:14px;
}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-dark)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:var(--s6) 0}
.article-body strong{font-weight:600;color:var(--c-ink)}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);
  border-radius:var(--r-lg);padding:var(--s8) var(--s5);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke-width:1.6;color:var(--c-primary);margin:0 auto var(--s4)}
.empty-state h2{font-family:var(--font-title);font-size:22px;margin-bottom:var(--s3)}
.empty-state p{color:var(--c-text);margin-bottom:var(--s5)}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:var(--s5)}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:var(--s5)}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:var(--s5);
}
.side-card h3{
  font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:14px;
  display:flex;align-items:center;gap:var(--s2);
}
.side-card h3 svg{width:18px;height:18px;stroke-width:1.6;color:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--c-text);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.toc-list a:hover{background:var(--c-sect);color:var(--c-primary)}
.toc-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.chip-row{display:flex;flex-wrap:wrap;gap:var(--s2)}
.chip{
  display:inline-flex;align-items:center;font-size:12px;padding:6px 12px;
  border-radius:var(--r-chip);background:var(--c-primary-soft);color:var(--c-primary);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.chip:hover{background:var(--c-primary);color:#fff}
.mini-list{display:flex;flex-direction:column;gap:var(--s2)}
.mini-card{
  display:block;padding:12px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-card);transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.mini-card strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:6px}
.mini-card span{font-size:12px;color:var(--c-muted);letter-spacing:.02em}
.side-cta{
  background:var(--c-panel);color:var(--c-panel-text);border-radius:var(--r-lg);
  padding:var(--s5);border:1px solid rgba(233,239,237,.12);
  box-shadow:inset 0 1px 0 rgba(233,239,237,.08);
}
.side-cta h3{color:var(--c-panel-text);font-size:16px;font-weight:600;margin-bottom:var(--s3)}
.side-cta p{font-size:14px;line-height:1.8;color:var(--c-panel-muted);margin-bottom:var(--s4)}

/* ---------- 继续浏览 ---------- */
.next-block{padding:0 0 var(--s8)}
.next-title{
  font-family:var(--font-title);font-size:24px;line-height:1.35;color:var(--c-ink);
  border-left:4px solid var(--c-primary);padding-left:14px;margin-bottom:var(--s5);
}
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s5)}
.next-card{
  display:flex;gap:var(--s4);background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:var(--s4);overflow:hidden;
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.next-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.next-thumb{
  width:120px;height:90px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;
  background:var(--c-primary-soft);
}
.next-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.next-card:hover .next-thumb img{transform:scale(1.03)}
.next-body{min-width:0}
.next-body .badge-soft{margin-bottom:var(--s2)}
.next-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:6px}
.next-body p{font-size:13px;line-height:1.75;color:var(--c-muted)}

/* ---------- 相关推荐 ---------- */
.related-block{padding:0 0 var(--s8)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s5)}
.related-card{
  display:flex;gap:var(--s4);background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:var(--s5);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.related-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.related-bar{width:6px;border-radius:var(--r-chip);background:var(--c-primary);flex:0 0 auto}
.related-card:nth-child(2) .related-bar{background:var(--c-accent)}
.related-card:nth-child(3) .related-bar{background:var(--c-primary-line)}
.related-card h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:var(--s2)}
.related-card p{font-size:13px;line-height:1.75;color:var(--c-text);margin-bottom:var(--s3)}
.related-card span{font-size:12px;color:var(--c-muted)}

/* ---------- 深色 CTA ---------- */
.cta-wrap{padding:0 0 var(--s8)}
.cta-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-panel);color:var(--c-panel-text);padding:var(--s7);
  box-shadow:var(--sh-lg);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(8,32,30,.92),rgba(8,32,30,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr 1fr;gap:var(--s7);align-items:center}
.cta-inner h2{font-family:var(--font-title);font-size:28px;line-height:1.35;color:var(--c-panel-text);margin-bottom:var(--s3)}
.cta-inner p{font-size:15px;line-height:1.85;color:var(--c-panel-muted)}
.cta-form{display:flex;gap:var(--s3)}
.cta-form input{
  flex:1;height:48px;border-radius:var(--r-input);border:1px solid rgba(233,239,237,.24);
  background:rgba(233,239,237,.08);color:var(--c-panel-text);padding:0 var(--s4);font-size:15px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.cta-form input::placeholder{color:var(--c-panel-muted)}
.cta-form input:focus{
  outline:none;border-color:var(--c-primary-line);
  box-shadow:0 0 0 3px rgba(191,214,209,.25);
}
.form-note{font-size:12px;color:var(--c-panel-muted);margin-top:12px;letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-panel);color:var(--c-panel-text);padding:var(--s8) 0 var(--s5);margin-top:var(--s7)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr}
.footer-col{padding:0 var(--s5);border-left:1px solid rgba(233,239,237,.12);min-width:0}
.footer-col:first-child{border-left:none;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:var(--s3);margin-bottom:var(--s4)}
.footer-brand .brand-mark{background:rgba(233,239,237,.1);color:var(--c-panel-text)}
.footer-brand strong{font-family:var(--font-title);font-size:18px;color:var(--c-panel-text)}
.footer-col p{font-size:13.5px;line-height:1.85;color:var(--c-panel-muted);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-panel-text);margin-bottom:var(--s4);letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  display:flex;align-items:center;gap:var(--s2);font-size:13.5px;color:var(--c-panel-muted);
  padding:7px 0;transition:color var(--t) var(--ease);
}
.footer-links a svg{width:14px;height:14px;stroke-width:1.6;flex:0 0 auto}
.footer-links a:hover{color:var(--c-panel-text)}
.footer-contact{display:flex;flex-direction:column;gap:var(--s3)}
.footer-contact li{display:flex;gap:var(--s2);font-size:13.5px;line-height:1.75;color:var(--c-panel-muted)}
.footer-contact svg{width:18px;height:18px;stroke-width:1.6;color:var(--c-primary-line);flex:0 0 auto;margin-top:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--s3);
  border-top:1px solid rgba(233,239,237,.12);margin-top:var(--s6);padding-top:var(--s5);
  font-size:12px;color:var(--c-panel-muted);letter-spacing:.02em;
}
.footer-bottom a:hover{color:var(--c-panel-text)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 240ms var(--ease),transform 240ms var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:var(--s6)}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .article-layout{grid-template-columns:1fr;gap:var(--s6);padding:var(--s6) 0 var(--s7)}
  .side-sticky{position:static}
  .article-head{padding:var(--s5)}
  .article-body{padding:var(--s5);max-width:none}
  .cta-inner{grid-template-columns:1fr;gap:var(--s5)}
  .related-grid{grid-template-columns:1fr}
  .next-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s6)}
  .footer-col{padding:0;border-left:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-title{font-size:30px}
  .article-body h2{font-size:23px;margin-top:var(--s7)}
  .article-body h3{font-size:18px}
  .cta-panel{padding:var(--s5)}
  .cta-inner h2{font-size:23px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .next-title{font-size:21px}
  .next-card{flex-direction:column}
  .next-thumb{width:100%;height:150px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text small{display:none}
  .article-head{padding:var(--s4)}
  .article-body{padding:var(--s4)}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand:#0E5B54;
  --brand-dark:#08403B;
  --brand-soft:#E6EFEC;
  --brand-line:#BFD6D1;
  --gold:#C97B3C;
  --gold-soft:#FBEFE2;
  --gold-dark:#A25F28;
  --ink:#16211F;
  --text:#4A5553;
  --muted:#7C8785;
  --disabled:#A8B0AE;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --section:#F1EEE7;
  --line:#E5E1D8;
  --panel:#08201E;
  --panel-text:#E9EFED;
  --panel-muted:#9FB3AF;
  --ok:#2F7D5B;
  --ok-soft:#E4F0E9;
  --warn:#C97B3C;
  --warn-soft:#FBEFE2;
  --err:#B23B2E;
  --err-soft:#F7E5E2;

  --r-nav:20px;
  --r-card:16px;
  --r-card-lg:24px;
  --r-sm:10px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;

  --sh-sm:0 1px 2px rgba(16,33,31,.06);
  --sh-md:0 8px 24px rgba(16,33,31,.08);
  --sh-lg:0 20px 48px rgba(16,33,31,.12);

  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:88px;
  --sp-10:96px;

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

  --ease:cubic-bezier(.2,.8,.3,1);

  --bs-body-font-family:var(--font-sans);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--bg);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-dark);
  --bs-border-color:var(--line);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ============ 容器与栅格 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){ .container{max-width:1240px;} }
.row{--bs-gutter-x:28px;--bs-gutter-y:28px;}

/* ============ 通用排版 ============ */
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);}
h1{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
h2{font-size:30px;font-weight:700;line-height:1.35;}
h3{font-family:var(--font-sans);font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);}
h4{font-family:var(--font-sans);font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);}
.lead{font-size:18px;line-height:1.9;color:var(--text);}
.meta{font-size:13px;color:var(--muted);letter-spacing:.02em;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--brand);border-radius:2px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head p{margin-top:12px;font-size:16.5px;color:var(--text);max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.text-link svg{width:16px;height:16px;transition:transform 200ms var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:all 200ms var(--ease);
  font-family:var(--font-sans);
}
.btn:disabled,.btn.disabled{opacity:.4;cursor:not-allowed;}
.btn-primary{background:var(--gold);color:#fff;border-color:var(--gold);}
.btn-primary:hover{background:var(--gold-dark);border-color:var(--gold-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:transparent;padding-left:8px;padding-right:8px;}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;}
.btn-sm{min-height:38px;padding:9px 18px;font-size:14px;}

/* ============ 徽章 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-weight:600;letter-spacing:.02em;
}
.badge-gold{background:var(--gold-soft);color:var(--gold-dark);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  padding-top:16px;
}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-md);
  padding:12px 16px;
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-lg);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:all 200ms var(--ease);
}
.nav-chip svg{width:20px;height:20px;stroke-width:1.6;}
.nav-chip:hover{background:var(--brand);color:#fff;}
.nav-chip.is-active{background:var(--brand);color:#fff;}
.nav-cta{margin-left:auto;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);color:var(--brand);
  align-items:center;justify-content:center;cursor:pointer;
  transition:all 200ms var(--ease);
}
.nav-toggle svg{width:22px;height:22px;stroke-width:1.6;}
.nav-toggle:hover{background:var(--brand-soft);}

/* 抽屉 */
.nav-drawer{background:var(--bg);width:min(88vw,380px);}
.nav-drawer .offcanvas-header{
  padding:20px 20px 12px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.nav-drawer .offcanvas-title{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--ink);}
.nav-drawer .btn-close{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--card);border:1px solid var(--line);opacity:1;
  background-image:none;position:relative;
}
.nav-drawer .btn-close::before,
.nav-drawer .btn-close::after{
  content:"";position:absolute;left:50%;top:50%;width:16px;height:1.8px;
  background:var(--brand);border-radius:2px;
}
.nav-drawer .btn-close::before{transform:translate(-50%,-50%) rotate(45deg);}
.nav-drawer .btn-close::after{transform:translate(-50%,-50%) rotate(-45deg);}
.nav-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-radius:var(--r-sm);
  background:var(--card);border:1px solid var(--line);
  color:var(--ink);font-size:15px;font-weight:600;
  transition:all 200ms var(--ease);
}
.drawer-item svg{width:18px;height:18px;color:var(--muted);}
.drawer-item:hover{border-color:var(--brand-line);background:var(--brand-soft);}
.drawer-item.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.drawer-item.is-active svg{color:rgba(255,255,255,.75);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}

/* ============ 页面小 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 40px;
  background:var(--bg);
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid var(--brand-line);opacity:.35;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:1;max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;white-space:nowrap;overflow-x:auto;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--disabled);}
.crumb .current{color:var(--brand);font-weight:600;}
.page-hero h1{font-size:44px;margin-bottom:16px;}
.page-hero .lead{max-width:640px;}

/* ============ 板块间距 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-loose{padding:96px 0;}
.section-alt{background:var(--section);}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.check-copy p{margin-bottom:18px;max-width:34em;}
.check-copy p:last-child{margin-bottom:0;}
.check-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:28px;
}
.check-list h3{font-size:17px;margin-bottom:16px;}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 10px;border-radius:var(--r-sm);
  transition:background 160ms var(--ease);
}
.check-item:hover{background:var(--section);}
.check-item .dot{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}
.check-item .dot svg{width:12px;height:12px;stroke-width:2;}
.check-item p{font-size:15px;line-height:1.75;color:var(--text);}
.check-item strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:2px;}

/* ============ 双栏主体 ============ */
.layout-grid{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start;}
.side-card{
  position:sticky;top:112px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);
  padding:20px;
}
.side-card h2{font-size:17px;font-family:var(--font-sans);margin-bottom:14px;}
.side-nav{display:flex;flex-direction:column;gap:8px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
  font-size:14px;font-weight:600;line-height:1.4;
  transition:all 200ms var(--ease);
}
.side-nav a svg{width:15px;height:15px;flex:0 0 15px;opacity:.7;}
.side-nav a:hover{background:var(--brand);color:#fff;}
.side-nav a.is-current{background:var(--brand);color:#fff;}
.side-note{
  margin-top:18px;padding:16px;border-radius:var(--r-sm);
  background:var(--gold-soft);color:var(--gold-dark);font-size:13.5px;line-height:1.75;
}
.side-note strong{display:block;color:var(--gold-dark);font-size:14px;margin-bottom:4px;}

/* ============ 条目列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:16px;}
.entry{
  display:grid;grid-template-columns:200px 1fr;gap:24px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);
  padding:20px;transition:all 220ms var(--ease);
  scroll-margin-top:112px;
}
.entry:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:var(--brand-line);}
.entry-media{
  width:100%;aspect-ratio:200/130;border-radius:var(--r-sm);
  overflow:hidden;background:var(--brand-soft);
}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.entry:hover .entry-media img{transform:scale(1.03);}
.entry-body{display:flex;flex-direction:column;gap:10px;}
.entry-body h3{font-size:19px;}
.entry-body p{font-size:15px;line-height:1.8;color:var(--text);}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:8px;}
.entry-foot .meta{display:flex;align-items:center;gap:8px;}
.entry-foot .meta .sep{color:var(--disabled);}

/* ============ 数据条 ============ */
.stat-bar{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card-lg);box-shadow:var(--sh-sm);
  padding:32px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-cell{padding:0 20px;border-left:1px solid var(--line);}
.stat-cell:first-child{border-left:none;padding-left:4px;}
.stat-num{
  font-family:var(--font-serif);font-size:38px;font-weight:700;
  color:var(--brand);line-height:1.1;letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:17px;margin-left:4px;font-family:var(--font-sans);font-weight:600;}
.stat-cell p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);box-shadow:var(--sh-sm);
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  padding:18px 20px;background:var(--card);border:0;
  font-size:17px;font-weight:600;color:var(--brand);line-height:1.5;
  text-align:left;box-shadow:none;transition:background 220ms var(--ease);
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.accordion-button::after{display:none;}
.faq-q{flex:1;}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;color:currentColor;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.faq-icon::before{width:14px;height:1.8px;}
.faq-icon::after{width:1.8px;height:14px;}
.accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.accordion-body{
  padding:6px 20px 22px;font-size:15.5px;line-height:1.85;color:var(--text);
  border-top:1px solid var(--line);background:var(--card);
}
.accordion-button:not(.collapsed)+.accordion-collapse .accordion-body{background:var(--brand-soft);}

/* ============ 浅色 CTA 条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--brand-soft);border:1px solid var(--brand-line);
  border-radius:var(--r-card-lg);padding:40px 48px;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:16px;color:var(--text);max-width:44em;}
.cta-band .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--panel);color:var(--panel-text);
  margin-top:96px;padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:0;
}
.footer-col{
  padding:0 28px;border-left:1px solid rgba(233,239,237,.12);
}
.footer-col:first-child{border-left:none;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(233,239,237,.08);color:var(--panel-text);}
.footer-brand strong{font-family:var(--font-serif);font-size:17px;color:var(--panel-text);}
.footer-col>p{font-size:14px;line-height:1.85;color:var(--panel-muted);max-width:32em;}
.footer-col h4{color:var(--panel-text);font-size:15px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--panel-muted);
  transition:color 200ms var(--ease);
}
.footer-links a svg{width:14px;height:14px;stroke-width:1.6;}
.footer-links a:hover{color:var(--panel-text);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.75;color:var(--panel-muted);
}
.footer-contact li svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;stroke-width:1.6;}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;
  border-top:1px solid rgba(233,239,237,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:var(--panel-muted);letter-spacing:.02em;}

/* ============ 进场动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms var(--ease),transform 400ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (max-width:991.98px){
  h1,.page-hero h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .section-loose{padding:64px 0;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout-grid{grid-template-columns:1fr;gap:24px;}
  .side-card{position:static;}
  .side-nav{flex-direction:row;flex-wrap:wrap;}
  .side-nav a{flex:1 1 180px;}
  .check-grid{grid-template-columns:1fr;gap:32px;}
  .entry{grid-template-columns:160px 1fr;gap:20px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-cell:nth-child(3){border-left:none;padding-left:4px;}
  .stat-cell{padding:0 16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(3){border-left:none;padding-left:0;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .row{--bs-gutter-x:20px;--bs-gutter-y:20px;}
  .section{padding:48px 0;}
  .section-tight,.section-loose{padding:48px 0;}
  h1,.page-hero h1{font-size:30px;}
  h2{font-size:23px;}
  .page-hero{padding:40px 0 32px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .entry{grid-template-columns:1fr;gap:16px;padding:20px;}
  .entry-media{aspect-ratio:16/10;}
  .stat-bar{grid-template-columns:1fr;gap:0;}
  .stat-cell{border-left:none;padding:20px 0;border-top:1px solid var(--line);}
  .stat-cell:first-child{border-top:none;padding-top:0;}
  .stat-cell:last-child{padding-bottom:0;}
  .cta-band{padding:28px 20px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px 0;}
  .footer-col{border-left:none;padding:0;border-top:1px solid rgba(233,239,237,.12);padding-top:24px;}
  .footer-col:first-child{border-top:none;padding-top:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  h1,.page-hero h1{font-size:28px;}
  .brand-text small{display:none;}
  .side-nav a{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none;animation:none;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-main:#0E5B54;
  --c-main-dark:#08403B;
  --c-mist:#E6EFEC;
  --c-line-main:#BFD6D1;
  --c-gold:#C97B3C;
  --c-gold-soft:#FBEFE2;
  --c-gold-dark:#A25F28;
  --ink:#16211F;
  --ink-2:#4A5553;
  --ink-3:#7C8785;
  --ink-4:#A8B0AE;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --bg-soft:#F1EEE7;
  --line:#E5E1D8;
  --panel:#08201E;
  --panel-text:#E9EFED;
  --panel-dim:#9FB3AF;
  --ok:#2F7D5B;
  --ok-soft:#E5F2EB;
  --warn:#C97B3C;
  --warn-soft:#FBEFE2;
  --err:#B23B2E;
  --err-soft:#F9E8E5;
  --r-nav:20px;
  --r-lg:16px;
  --r-sm:10px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,33,31,.06);
  --sh-md:0 8px 24px rgba(16,33,31,.08);
  --sh-lg:0 20px 48px rgba(16,33,31,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --ease:cubic-bezier(.2,.8,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol{margin:0;}
h1,h2{font-family:var(--font-serif);}
h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:30px;line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;font-family:var(--font-sans);}
h4{font-size:17px;font-weight:600;font-family:var(--font-sans);}
p{font-size:16.5px;line-height:1.85;color:var(--ink-2);margin-bottom:18px;}
p:last-child{margin-bottom:0;}
ul,ol{padding-left:0;list-style:none;margin:0;}
img{max-width:100%;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{color:var(--c-main-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){.container{max-width:1240px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:16px;
  padding-bottom:0;
  background:linear-gradient(180deg,rgba(247,245,240,.96) 60%,rgba(247,245,240,0));
  transition:box-shadow 220ms var(--ease);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-md);
  padding:12px 16px;
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-lg);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:var(--c-mist);
  border:1px solid var(--c-line-main);
  color:var(--c-main);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.02em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:var(--sp-2);
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--c-mist);
  color:var(--c-main);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  padding:8px 14px;
  font-size:13px;
  font-weight:600;
  min-height:40px;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.nav-chip svg{width:20px;height:20px;stroke-width:1.6;flex:0 0 auto;}
.nav-chip:hover{background:var(--c-main);color:#fff;}
.nav-chip.is-active{background:var(--c-main);color:#fff;border-color:var(--c-main-dark);}
.nav-cta{
  flex:0 0 auto;
  margin-left:var(--sp-2);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--bg-soft);
  color:var(--c-main);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;stroke-width:1.6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary{background:var(--c-gold);color:#fff;}
.btn-primary:hover{background:var(--c-gold-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--c-main);border-color:var(--c-line-main);}
.btn-outline:hover{background:var(--c-main);color:#fff;border-color:var(--c-main);}
.btn-ghost{background:transparent;color:var(--c-main);padding-left:0;padding-right:0;min-height:auto;}
.btn-ghost:hover{color:var(--c-main-dark);text-decoration:underline;}
.btn-soft{background:var(--c-mist);color:var(--c-main);border-color:var(--c-line-main);}
.btn-soft:hover{background:var(--c-main);color:#fff;border-color:var(--c-main);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--c-mist);
  color:var(--c-main);
  letter-spacing:.02em;
  font-weight:600;
}
.badge-accent{
  background:var(--c-gold-soft);
  color:var(--c-gold-dark);
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  padding-top:56px;
  padding-bottom:32px;
  position:relative;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-40px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid var(--c-line-main);
  opacity:.5;
  pointer-events:none;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.02em;
  margin-bottom:var(--sp-5);
  white-space:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.crumbs::-webkit-scrollbar{display:none;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--c-main);}
.crumbs .sep{color:var(--ink-4);}
.crumbs .current{color:var(--c-main);font-weight:600;}
.cat-hero-inner{max-width:760px;position:relative;z-index:1;}
.cat-hero h1{margin:var(--sp-4) 0 var(--sp-4);}
.cat-hero .lead{
  font-size:18px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:640px;
}
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-2);
  margin-top:var(--sp-6);
}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  background:var(--c-mist);
  color:var(--c-main);
  font-size:13.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:default;
  transition:background 200ms var(--ease),color 200ms var(--ease);
}
.chip.is-active{background:var(--c-main);color:#fff;}

/* ---------- 区块标题 ---------- */
.section{padding-top:88px;padding-bottom:88px;}
.section-soft{background:var(--bg-soft);}
.section-tight{padding-top:64px;padding-bottom:64px;}
.section-head{margin-bottom:var(--sp-7);}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:3px;
  border-radius:2px;
  background:var(--c-main);
}
.section-head p{margin-top:var(--sp-4);max-width:680px;font-size:17px;}
.head-split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-5);
  flex-wrap:wrap;
}

/* ---------- 马赛克网格 ---------- */
.mosaic-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
}
.m-card{
  grid-column:span 6;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.m-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.m-card.span-8{grid-column:span 8;}
.m-card.span-6{grid-column:span 6;}
.m-card.span-4{grid-column:span 4;}
.m-media{
  overflow:hidden;
  background:var(--c-mist);
}
.m-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.m-card:hover .m-media img{transform:scale(1.03);}
.m-card.span-8 .m-media{aspect-ratio:2 / 1;}
.m-card.span-4 .m-media,
.m-card.span-6 .m-media{aspect-ratio:16 / 10;}
.m-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:var(--sp-3);
  flex:1 1 auto;
}
.m-body h3{color:var(--ink);}
.m-body p{
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.m-meta{
  display:flex;
  align-items:center;
  gap:var(--sp-3);
  margin-top:auto;
  padding-top:var(--sp-3);
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.02em;
  flex-wrap:wrap;
}
.m-meta .more{
  margin-left:auto;
  color:var(--c-main);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.m-meta .more svg{width:16px;height:16px;stroke-width:1.6;}
.m-meta .more:hover{color:var(--c-main-dark);}

/* ---------- 横向要点条 ---------- */
.tip-list{display:flex;flex-direction:column;gap:var(--sp-4);}
.tip-row{
  display:flex;
  align-items:flex-start;
  gap:var(--sp-5);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:24px;
  transition:background 200ms var(--ease),box-shadow 220ms var(--ease);
}
.tip-row:hover{background:var(--bg-soft);box-shadow:var(--sh-md);}
.tip-num{
  font-family:var(--font-serif);
  font-size:28px;
  line-height:1;
  color:var(--c-main);
  flex:0 0 auto;
  width:52px;
  padding-top:4px;
}
.tip-row h3{margin-bottom:8px;}
.tip-row p{font-size:15.5px;margin:0;}

/* ---------- 数据条 ---------- */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.metric{
  padding:32px 24px;
  text-align:left;
  border-left:1px solid var(--line);
}
.metric:first-child{border-left:0;}
.metric .num{
  font-family:var(--font-serif);
  font-size:36px;
  line-height:1.1;
  color:var(--c-main);
  display:block;
}
.metric .num.accent{color:var(--c-gold);}
.metric .lbl{
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.02em;
  margin-top:8px;
  display:block;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:flex;flex-direction:column;gap:var(--sp-3);}
.accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.accordion-button{
  background:var(--card);
  color:var(--c-main);
  font-size:17px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.accordion-button:not(.collapsed){
  background:var(--c-mist);
  color:var(--c-main-dark);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-main);outline-offset:-2px;}
.accordion-button::after{
  content:"+";
  background-image:none;
  font-size:22px;
  line-height:1;
  width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  transform:none;
  color:var(--c-gold-dark);
  font-weight:400;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{
  padding:16px 24px 24px;
  background:var(--c-mist);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
}

/* ---------- 深色 CTA ---------- */
.cta-panel{
  position:relative;
  border-radius:24px;
  background-color:var(--panel);
  background-image:linear-gradient(rgba(8,32,30,.78),rgba(8,32,30,.78)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  padding:56px;
  overflow:hidden;
  color:var(--panel-text);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-100px;
  width:320px;height:320px;
  border-radius:50%;
  border:1px solid rgba(233,239,237,.18);
  opacity:.6;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:var(--sp-8);
  align-items:center;
}
.cta-panel h2{color:#fff;margin-bottom:var(--sp-4);}
.cta-panel p{color:var(--panel-dim);font-size:16px;margin:0;}
.cta-form{display:flex;gap:var(--sp-3);}
.cta-form .form-control{
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid rgba(233,239,237,.24);
  background:rgba(233,239,237,.08);
  color:#fff;
  padding:0 16px;
  font-size:15px;
}
.cta-form .form-control::placeholder{color:var(--panel-dim);}
.cta-form .form-control:focus{
  background:rgba(233,239,237,.12);
  border-color:var(--c-line-main);
  box-shadow:0 0 0 3px rgba(191,214,209,.28);
  color:#fff;
}
.form-note{
  font-size:12px;
  color:var(--panel-dim);
  margin-top:var(--sp-3);
  letter-spacing:.02em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--panel);
  color:var(--panel-text);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:var(--sp-6);
}
.footer-col{padding-left:var(--sp-6);border-left:1px solid rgba(233,239,237,.12);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-4);}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-brand .brand-mark{
  background:rgba(233,239,237,.08);
  border-color:rgba(233,239,237,.18);
  color:var(--c-line-main);
}
.footer-col p{color:var(--panel-dim);font-size:14px;line-height:1.8;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:var(--sp-4);}
.footer-links{display:flex;flex-direction:column;gap:var(--sp-2);}
.footer-links a,
.footer-contact li{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--panel-dim);
  font-size:14px;
  padding:6px 0;
  transition:color 200ms var(--ease);
}
.footer-links a:hover{color:#fff;}
.footer-links svg,
.footer-contact svg{width:16px;height:16px;stroke-width:1.6;color:var(--c-line-main);flex:0 0 auto;}
.footer-contact{display:flex;flex-direction:column;gap:var(--sp-1);}
.footer-bottom{
  margin-top:var(--sp-8);
  border-top:1px solid rgba(233,239,237,.12);
  padding:24px 0 32px;
  display:flex;
  justify-content:space-between;
  gap:var(--sp-4);
  flex-wrap:wrap;
  font-size:12px;
  color:var(--panel-dim);
  letter-spacing:.02em;
}
.footer-bottom a{color:var(--panel-dim);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 移动抽屉 ---------- */
.offcanvas.drawer{
  background:var(--bg);
  border-right:0;
  width:320px;
}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 20px 12px;
}
.drawer-body{padding:12px 20px 24px;display:flex;flex-direction:column;gap:var(--sp-3);}
.drawer-link{
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:14px 16px;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-sm);
}
.drawer-link svg{width:20px;height:20px;stroke-width:1.6;color:var(--c-main);}
.drawer-link .arrow{margin-left:auto;color:var(--ink-4);}
.drawer-link.is-active{background:var(--c-main);color:#fff;border-color:var(--c-main);}
.drawer-link.is-active svg{color:#fff;}
.drawer-foot{
  margin-top:auto;
  padding:16px 20px 24px;
  border-top:1px solid var(--line);
}
.btn-close-c{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);cursor:pointer;
}
.btn-close-c svg{width:18px;height:18px;stroke-width:1.6;}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 220ms var(--ease),transform 220ms var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cta-inner{grid-template-columns:1fr;gap:var(--sp-6);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-7) var(--sp-6);}
  .footer-col{padding-left:0;border-left:0;}
  .footer-col:nth-child(even){padding-left:var(--sp-6);border-left:1px solid rgba(233,239,237,.12);}
}
@media (max-width:991px){
  h1{font-size:34px;}
  h2{font-size:25px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .section{padding-top:64px;padding-bottom:64px;}
  .mosaic-grid{grid-template-columns:1fr;}
  .m-card,
  .m-card.span-8,
  .m-card.span-6,
  .m-card.span-4{grid-column:span 1;}
  .m-card.span-8 .m-media{aspect-ratio:16 / 10;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric:nth-child(3){border-left:0;}
  .metric{border-top:1px solid var(--line);}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0;}
  .cta-panel{padding:40px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .cat-hero{padding-top:32px;}
  .brand-text small{display:none;}
  .metric .num{font-size:30px;}
  .tip-row{flex-direction:column;gap:var(--sp-3);}
  .tip-num{width:auto;}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6);}
  .footer-col:nth-child(even){padding-left:0;border-left:0;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
}
@media (max-width:575px){
  h1{font-size:30px;}
  h2{font-size:23px;}
  .section{padding-top:48px;padding-bottom:48px;}
  .m-body{padding:20px;}
  .tip-row{padding:20px;}
  .metric-strip{grid-template-columns:1fr;}
  .metric{border-left:0;border-top:1px solid var(--line);}
  .metric:nth-child(2){border-top:1px solid var(--line);}
  .accordion-button{font-size:16px;padding:16px 18px;}
  .accordion-body{padding:14px 18px 20px;}
  .cta-panel{padding:32px 20px;}
  .section-head h2{padding-left:0;}
  .section-head h2::before{display:none;}
}