/* roulang page: index */
/* ============ 设计令牌 ============ */
:root{
  --brand:#146B63;
  --brand-deep:#0F544E;
  --brand-soft:#DCEBE8;
  --accent:#E4831C;
  --accent-deep:#C96C0C;
  --accent-soft:#FCEBD6;
  --ink:#10312E;
  --page:#F7F6F2;
  --page-2:#EDF2F0;
  --card:#FFFFFF;
  --text:#46514D;
  --title:#1B2320;
  --muted:#7E8B87;
  --line:#E2E7E4;
  --danger:#C4442F;
  --ok:#1E7A5F;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,49,46,.05);
  --sh-2:0 12px 28px -12px rgba(16,49,46,.18);
  --sh-dock:0 10px 30px -10px rgba(16,49,46,.22);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1180px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,ui-sans-serif,-apple-system,"Segoe UI",Arial,sans-serif;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--title);font-family:var(--font-cn);}
h2{font-size:clamp(24px,2.9vw,32px);line-height:1.3;font-weight:700;color:var(--title);}
h3{font-size:clamp(18px,2vw,21px);line-height:1.45;font-weight:700;color:var(--title);}
h4{font-size:14px;line-height:1.5;font-weight:700;letter-spacing:.04em;}
strong{color:var(--title);}
:focus-visible{outline:3px solid rgba(20,107,99,.35);outline-offset:2px;border-radius:6px;}

/* ============ 容器与区块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tint{background:var(--page-2);}
.section--line{border-top:1px solid var(--line);}
[id]{scroll-margin-top:110px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head h2{margin-top:10px;}
.section-head p{max-width:560px;margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.08em;line-height:1.6;
}
.eyebrow--accent{background:var(--accent-soft);color:var(--accent-deep);}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}

.badge{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;line-height:1.7;white-space:nowrap;
}
.badge--accent{background:var(--accent-soft);color:var(--accent-deep);}
.badge--muted{background:var(--page-2);color:var(--muted);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;transition:all var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(20,107,99,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{background:var(--line);color:#9AA5A1;border-color:transparent;box-shadow:none;cursor:not-allowed;transform:none;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-deep);font-size:15px;font-weight:600;
}
.text-link::after{content:"→";font-family:var(--font-num);transition:transform var(--t);}
.text-link:hover{color:var(--accent);}
.text-link:hover::after{transform:translateX(3px);}
.text-link--brand{color:var(--brand);}
.text-link--brand:hover{color:var(--brand-deep);}

/* ============ 浮动 Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 32px));z-index:300;
}
.dock-inner{
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 12px 0 20px;
  background:rgba(255,255,255,.97);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:height var(--t),box-shadow var(--t);
}
.site-dock.is-scrolled .dock-inner{height:56px;box-shadow:0 16px 36px -14px rgba(16,49,46,.3);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
}
.logo-text{font-size:16px;font-weight:700;color:var(--title);letter-spacing:.01em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text);white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-pill);
  color:var(--brand);border:1px solid transparent;
}
.icon-btn:hover{background:var(--brand-soft);}
.dock-burger{display:none;}
.search-panel{
  display:none;margin-top:10px;padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-2);
}
.search-panel.is-open{display:block;}
.search-panel input{
  width:100%;height:48px;padding:0 18px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--page);color:var(--title);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,107,99,.18);}
.search-panel p{margin-top:8px;font-size:13px;color:var(--muted);}
.dock-mobile{
  display:none;margin-top:10px;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-2);
}
.site-dock.is-open .dock-mobile{display:block;}
.dock-mobile a{
  display:flex;align-items:center;height:52px;padding:0 16px;
  font-size:16px;color:var(--text);border-bottom:1px solid var(--line);
  border-radius:12px;
}
.dock-mobile a:last-child{border-bottom:0;}
.dock-mobile a.is-active{color:var(--brand);font-weight:600;box-shadow:inset 3px 0 0 var(--accent);background:var(--brand-soft);}

/* ============ Hero ============ */
.hero{padding:150px 0 80px;overflow:hidden;position:relative;}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:600px;height:600px;
  border-radius:50%;border:1px solid rgba(20,107,99,.10);
  box-shadow:inset 0 0 0 60px rgba(20,107,99,.03);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-40px;bottom:20px;width:280px;height:200px;
  background-image:radial-gradient(rgba(20,107,99,.16) 1px,transparent 1px);
  background-size:14px 14px;opacity:.6;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.hero h1{margin:20px 0 18px;}
.hero h1 .hl{
  color:var(--brand);
  background-image:linear-gradient(transparent 66%,rgba(228,131,28,.28) 66%);
  padding:0 2px;
}
.hero-sub{font-size:19px;line-height:1.85;color:var(--text);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.trust-item .num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.trust-item .lab{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;background:var(--page-2);box-shadow:var(--sh-2);
}
.hero-figure-card{
  position:absolute;left:-24px;bottom:-28px;
  width:250px;padding:18px 22px;border-radius:var(--r-card);
  background:var(--ink);color:#fff;box-shadow:var(--sh-2);
}
.hero-figure-card .fc-row{display:flex;align-items:baseline;gap:10px;padding:6px 0;}
.hero-figure-card .fc-row + .fc-row{border-top:1px solid rgba(255,255,255,.16);}
.hero-figure-card .fc-num{font-family:var(--font-num);font-size:24px;font-weight:700;color:#8FBFB6;line-height:1.2;}
.hero-figure-card .fc-lab{font-size:13px;line-height:1.6;color:#CFDAD7;}

/* ============ 卖点三连 ============ */
.usp-grid{display:grid;grid-template-columns:repeat(3,1fr);padding-top:24px;}
.usp-item{padding:0 38px;border-left:1px solid var(--line);}
.usp-item:first-child{border-left:0;padding-left:0;}
.usp-item:last-child{padding-right:0;}
.usp-item:nth-child(2){transform:translateY(-24px);}
.usp-num{
  font-family:var(--font-num);font-size:32px;font-weight:800;
  color:rgba(20,107,99,.16);line-height:1;letter-spacing:.02em;
}
.usp-item h3{margin:14px 0 10px;}
.usp-item p{font-size:15px;line-height:1.85;color:var(--text);min-height:84px;}
.usp-item .text-link{margin-top:6px;}

/* ============ 场景演示 ============ */
.scene{padding:88px 0;}
.scene:nth-of-type(even){background:var(--page-2);}
.scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.scene-grid.is-reverse{grid-template-columns:5fr 7fr;}
.scene-grid.is-reverse .scene-media{order:2;}
.scene-grid.is-reverse .scene-body{order:1;}
.scene-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);background:var(--page-2);box-shadow:var(--sh-1);
}
.scene-body h3{margin:14px 0 16px;}
.scene-list{display:grid;gap:10px;margin-bottom:20px;}
.scene-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.85;color:var(--text);}
.scene-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ============ 社会认同 ============ */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.proof-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:var(--r-card);overflow:hidden;}
.proof-stat{background:var(--card);padding:26px 22px;}
.proof-stat .num{font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--brand);line-height:1.2;}
.proof-stat .lab{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}
.quote-list{display:grid;gap:20px;}
.quote-card{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-card);padding:22px 26px;box-shadow:var(--sh-1);
}
.quote-card p{font-size:16px;line-height:1.85;color:var(--text);}
.quote-card cite{display:block;margin-top:12px;font-size:13px;color:var(--muted);font-style:normal;}
.partner-line{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.04em;
}

/* ============ 最新信息 ============ */
.news-lead{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3DED9;}
.news-lead-inner{display:grid;grid-template-columns:7fr 5fr;gap:0;align-items:stretch;}
.news-lead-media{background:var(--page-2);}
.news-lead-media img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.news-lead-body{padding:32px 34px;display:flex;flex-direction:column;justify-content:center;}
.news-lead-body h3{margin:14px 0 12px;transition:color var(--t);}
.news-lead:hover h3{color:var(--brand);}
.news-lead-body p{font-size:15px;line-height:1.85;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--muted);}
.news-meta time{font-family:var(--font-num);letter-spacing:.02em;}
.news-more{color:var(--accent-deep);font-weight:600;}
.news-list{display:grid;gap:0;margin-top:26px;}
.news-item{
  display:grid;grid-template-columns:88px 1fr;gap:20px;align-items:center;
  padding:20px 4px;border-top:1px solid var(--line);
  transition:background var(--t);
}
.news-item:last-child{border-bottom:1px solid var(--line);}
.news-item:hover{background:rgba(220,235,232,.42);}
.news-item-thumb{
  width:88px;height:88px;object-fit:cover;border-radius:var(--r-img);background:var(--page-2);
}
.news-item-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t);}
.news-item:hover h3{color:var(--brand);}
.news-item-body p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--muted);}
.news-item-meta time{font-family:var(--font-num);}
.empty-state{
  margin-top:26px;padding:52px 24px;text-align:center;
  background:var(--page-2);border:1px dashed #C6D5D0;border-radius:var(--r-card);
}
.empty-state p{font-size:15px;color:var(--muted);}
.empty-state .text-link{margin-top:14px;}
[data-searchable].is-hidden{display:none;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--title);line-height:1.6;transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--font-num);font-size:22px;font-weight:600;
  color:var(--brand);line-height:1;transition:transform var(--t),color var(--t);
}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"\2212";}
.faq-answer{padding:0 4px 24px;max-width:720px;}
.faq-answer p{font-size:16px;line-height:1.85;color:var(--muted);}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);color:#EAF3F0;padding:76px 0;text-align:center;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;top:-220px;left:50%;transform:translateX(-50%);
  width:760px;height:760px;border-radius:50%;border:1px solid rgba(143,191,182,.18);pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{color:#fff;}
.cta-band p{margin:16px auto 30px;max-width:620px;font-size:16px;line-height:1.85;color:#CFDAD7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;}
.cta-band .text-link{color:#8FBFB6;}
.cta-band .text-link:hover{color:#fff;}

/* ============ 底部固定转化条 ============ */
.to-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:280;
  height:64px;display:flex;align-items:center;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -16px rgba(16,49,46,.28);
  transform:translateY(110%);transition:transform var(--t);
}
.to-bar.is-visible{transform:translateY(0);}
.to-bar-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.to-bar p{font-size:14px;color:var(--text);line-height:1.6;}
.to-bar p strong{color:var(--brand);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#CFDAD7;padding:64px 0 128px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;}
.footer-logo .logo-mark{background:rgba(143,191,182,.16);color:#8FBFB6;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#9FB2AE;max-width:320px;}
.footer-col h4{color:#8FBFB6;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{color:#CFDAD7;font-size:14px;line-height:1.7;}
.footer-col a:hover{color:#fff;}
.footer-col span{color:#9FB2AE;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA5A0;}
.to-top{font-size:13px;color:#8FBFB6;}
.to-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (min-width:1440px){:root{--container:1240px;}}
@media (max-width:1199px){
  .hero-grid,.scene-grid,.scene-grid.is-reverse,.proof-grid{gap:40px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .scene{padding:64px 0;}
  .hero{padding:132px 0 64px;}
  .dock-nav{display:none;}
  .dock-burger{display:inline-flex;}
  .hero-grid,.scene-grid,.scene-grid.is-reverse,.proof-grid{grid-template-columns:1fr;gap:36px;}
  .scene-grid.is-reverse .scene-media{order:1;}
  .scene-grid.is-reverse .scene-body{order:2;}
  .usp-grid{grid-template-columns:1fr;gap:0;}
  .usp-item{padding:24px 0;border-left:0;border-top:1px solid var(--line);}
  .usp-item:first-child{border-top:0;padding-top:0;}
  .usp-item:nth-child(2){transform:none;}
  .usp-item p{min-height:0;}
  .usp-num{font-size:24px;display:inline-block;margin-right:12px;}
  .usp-item h3{display:inline-block;margin:0 0 10px;}
  .news-lead-inner{grid-template-columns:1fr;}
  .news-lead-media img{aspect-ratio:1/1;min-height:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-lead-body{padding:26px 24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .scene{padding:48px 0;}
  .container{padding:0 20px;}
  .hero{padding:120px 0 48px;}
  .hero-sub{font-size:17px;}
  .trust-row{grid-template-columns:1fr 1fr;gap:18px;}
  .hero-figure-card{position:static;width:100%;margin-top:16px;left:0;bottom:0;}
  .hero-visual img{aspect-ratio:16/10;}
  .proof-stats{grid-template-columns:1fr 1fr;}
  .news-item{grid-template-columns:72px 1fr;gap:16px;}
  .news-item-thumb{width:72px;height:72px;}
  .section-head{margin-bottom:30px;}
  .cta-band{padding:56px 0;}
  .to-bar{height:60px;}
  .to-bar p{font-size:13px;}
  .to-bar p span{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .hero-cta,.cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .text-link{justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .proof-stats{grid-template-columns:1fr;}
  .dock-inner{padding:0 10px 0 14px;gap:8px;}
  .logo-text{font-size:15px;}
}
@media (max-width:400px){
  .to-bar p{display:none;}
  .to-bar-inner{justify-content:center;}
  .trust-row{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --brand:#146B63;
  --brand-d:#0F544E;
  --brand-l:#DCEBE8;
  --accent:#E4831C;
  --accent-d:#C96C0C;
  --accent-l:#FCEBD6;
  --ink-band:#10312E;
  --bg:#F7F6F2;
  --bg-2:#EDF2F0;
  --card:#FFFFFF;
  --text:#46514D;
  --head:#1B2320;
  --muted:#7E8B87;
  --line:#E2E7E4;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-panel:20px;
  --sh-1:0 1px 2px rgba(16,49,46,.05);
  --sh-2:0 12px 28px -12px rgba(16,49,46,.18);
  --sh-dock:0 10px 30px -10px rgba(16,49,46,.22);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --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;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:96px;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--bg-2)}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
a:hover{color:var(--brand-d)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--head);font-weight:700;line-height:1.3}
p{margin:0}
time,.num{font-family:Inter,ui-sans-serif,system-ui,sans-serif}
:focus-visible{outline:3px solid rgba(20,107,99,.3);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{max-width:1240px}}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 10px 0 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:height var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .dock{height:56px;box-shadow:0 14px 32px -14px rgba(16,49,46,.32)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;color:var(--head);font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.dock-logo:hover{color:var(--brand-d)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:12px;background:var(--brand-l);color:var(--brand)}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{padding:9px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text);white-space:nowrap}
.dock-nav a:hover{background:var(--brand-l);color:var(--brand-d)}
.dock-nav a.is-active{background:var(--brand-l);color:var(--brand-d);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-search{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:var(--r-pill);color:var(--muted);transition:all var(--t)}
.dock-search:hover{color:var(--brand);background:var(--brand-l);border-color:var(--brand-l)}
.dock-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--brand);background:#fff}
.dock-toggle:hover{background:var(--brand-l)}
.dock-mobile{display:none;pointer-events:auto;position:absolute;top:76px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-2);padding:6px 0;overflow:hidden}
.dock-mobile.is-open{display:block}
.dock-mobile a{display:block;height:52px;line-height:52px;padding:0 20px;font-size:16px;color:var(--head);border-bottom:1px solid var(--line)}
.dock-mobile a:last-child{border-bottom:0}
.dock-mobile a.is-active{color:var(--brand-d);font-weight:600;box-shadow:inset 3px 0 0 var(--accent)}
.dock-mobile a:hover{background:var(--bg-2)}

/* ---------- 按钮 / 徽章 / 链接 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:16px;font-weight:600;border:1.5px solid transparent;white-space:nowrap;transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(20,107,99,.08);color:var(--brand-d)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:var(--line);color:#9AA5A1;pointer-events:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;border-bottom:2px solid transparent;padding-bottom:2px}
.link-more:hover{color:var(--accent-d);border-bottom-color:var(--accent)}
.badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-l);color:var(--brand-d);font-size:13px;font-weight:600;letter-spacing:.08em}
.badge-accent{background:var(--accent-l);color:var(--accent-d)}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--bg-2);color:var(--text);font-size:13px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:118px;font-size:13px;color:var(--muted)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B8C4C0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .crumb-current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--brand);font-weight:600}

/* ---------- 文章头 ---------- */
.article-head{padding:24px 0 0;max-width:880px}
.article-head h1{font-size:38px;line-height:1.28;letter-spacing:-.01em;margin:18px 0 0;font-weight:800}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:22px;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{color:var(--brand);flex:none}
.meta-share{margin-left:auto;padding:7px 16px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:13px;color:var(--brand);background:#fff;transition:all var(--t)}
.meta-share:hover{background:var(--brand-l);border-color:var(--brand-l)}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;margin-top:40px}
.article-main{min-width:0}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:28px;line-height:1.35;margin:40px 0 16px;font-weight:700}
.article-body h3{font-size:22px;line-height:1.45;margin:32px 0 12px;font-weight:700}
.article-body h4{font-size:18px;margin:24px 0 10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(20,107,99,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{margin:24px 0;padding:20px 24px;background:var(--brand-l);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--brand-d)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-2);color:var(--head);font-weight:600}
.article-body code{background:var(--bg-2);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{max-width:820px;padding:56px 32px;text-align:center;background:var(--bg-2);border:1px dashed #C6D5D1;border-radius:var(--r-card)}
.empty-state p{margin:0 0 12px;color:var(--muted);font-size:16px}

/* ---------- 侧栏 ---------- */
.side-toc{position:sticky;top:96px;font-size:14px}
.side-toc h2{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.toc-item{display:block;padding:16px 0;border-top:1px solid var(--line)}
.toc-item strong{display:block;font-size:16px;font-weight:600;color:var(--head);line-height:1.5;margin-bottom:6px;transition:color var(--t)}
.toc-item span{font-size:13px;color:var(--muted);line-height:1.7}
.toc-item:hover strong{color:var(--brand)}

/* ---------- 文末标签 / 内文 CTA ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);max-width:820px}
.inline-cta{margin-top:32px;max-width:820px;background:var(--brand-l);border-radius:var(--r-card);padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.inline-cta h3{font-size:20px;margin-bottom:6px}
.inline-cta p{font-size:14px;color:var(--brand-d);line-height:1.75;max-width:430px}

/* ---------- 延伸阅读 ---------- */
.read-more{margin-top:72px}
.section-title{font-size:26px;margin-bottom:24px}
.read-more-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center}
.read-more-figure{margin:0}
.read-more-figure img{width:100%;height:270px;object-fit:cover;border-radius:var(--r-img)}
.read-list{list-style:none}
.read-list li{padding:18px 0;border-top:1px solid var(--line)}
.read-list li:first-child{border-top:0;padding-top:0}
.read-list .badge{margin-bottom:8px}
.read-list strong{display:block;font-size:17px;color:var(--head);line-height:1.5;margin-bottom:4px;transition:color var(--t)}
.read-list a:hover strong{color:var(--brand)}
.read-list p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 底部转化带 ---------- */
.cta-band{position:relative;margin-top:80px;padding:72px 0;background:var(--ink-band);color:#DCE7E4;text-align:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.16}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{font-size:16px;color:#B9CEC9;max-width:620px;margin:0 auto}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px;margin-top:28px}
.link-light{color:#E9F2F0;font-weight:600;border-bottom:2px solid rgba(233,242,240,.35);padding-bottom:2px}
.link-light:hover{color:#fff;border-bottom-color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-band);color:#CFDAD7;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-logo .logo-mark{background:rgba(255,255,255,.1);color:#8FBFB6}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BFBA;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#8FBFB6;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#CFDAD7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8FA8A3}
.to-top{color:#CFDAD7}
.to-top:hover{color:#fff}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -10px 26px -18px rgba(16,49,46,.45);transform:translateY(120%);transition:transform 280ms cubic-bezier(.2,.7,.3,1)}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;max-width:1180px;margin:0 auto;padding:0 24px}
.sticky-inner p{font-size:14px;color:var(--text);line-height:1.6}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .article-layout{grid-template-columns:1fr;gap:48px}
  .side-toc{position:static;top:auto;max-width:820px;border-top:1px solid var(--line);padding-top:24px}
  .read-more-grid{grid-template-columns:1fr;gap:24px}
  .read-more-figure img{height:220px}
}
@media(max-width:1023px){
  .dock-nav{display:none}
  .dock-search{display:none}
  .dock-toggle{display:inline-flex}
  .breadcrumb{padding-top:108px}
  .article-head h1{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band h2{font-size:28px}
  .section-title{font-size:23px}
}
@media(max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .dock-logo{font-size:15px}
  .article-head{padding-top:16px}
  .article-head h1{font-size:27px}
  .article-body{font-size:16px}
  .article-body h2{font-size:23px;margin-top:32px}
  .article-body h3{font-size:20px;margin-top:26px}
  .inline-cta{padding:22px 20px}
  .inline-cta .btn{width:100%}
  .cta-band{padding:56px 0;margin-top:64px}
  .read-more{margin-top:56px}
  .sticky-inner{height:60px;gap:14px}
  .sticky-inner p{font-size:13px;max-width:52%}
  .sticky-inner .btn{height:40px;padding:0 18px;font-size:14px}
}
@media(max-width:560px){
  .dock-cta{display:none}
  .article-meta{gap:10px 16px}
  .meta-share{margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .cta-band h2{font-size:24px}
}
@media(max-width:400px){
  .btn{width:100%}
  .sticky-inner p{display:none}
  .sticky-inner .btn{width:100%}
  .sticky-inner{justify-content:center}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --brand:#146B63;
  --brand-d:#0F544E;
  --brand-l:#DCEBE8;
  --accent:#E4831C;
  --accent-d:#C96C0C;
  --accent-l:#FCEBD6;
  --deep:#10312E;
  --paper:#F7F6F2;
  --paper-2:#EDF2F0;
  --card:#FFFFFF;
  --text:#46514D;
  --title:#1B2320;
  --muted:#7E8B87;
  --line:#E2E7E4;
  --danger:#C4442F;
  --ok:#1E7A5F;

  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-panel:20px;

  --sh-1:0 1px 2px rgba(16,49,46,.05);
  --sh-2:0 12px 28px -12px rgba(16,49,46,.18);
  --sh-dock:0 10px 30px -10px rgba(16,49,46,.22);

  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px;
  --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-88:88px;

  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1180px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
a:hover{color:var(--accent-d)}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:3px solid rgba(20,107,99,.32);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){:root{--container:1240px}}

/* ============ 顶部 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1120px,100%);
  min-height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:8px 12px 8px 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  backdrop-filter:saturate(140%) blur(6px);
  transition:min-height var(--t),box-shadow var(--t);
}
.site-header.is-shrunk .dock{
  min-height:56px;
  box-shadow:0 14px 34px -12px rgba(16,49,46,.3);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  color:var(--title);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--brand)}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  flex:0 0 auto;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.dock-nav a{
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text);
  white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.dock-nav a:hover{background:var(--paper-2);color:var(--brand-d)}
.dock-nav a.is-active{
  color:var(--brand-d);
  font-weight:700;
  background:var(--brand-l);
  box-shadow:inset 0 -2px 0 0 var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-d);
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.icon-btn:hover{background:var(--brand-l);border-color:var(--brand-l)}
.menu-btn{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--title)}
.menu-btn:hover{background:var(--paper-2)}

/* 移动端面板 */
.mobile-panel{
  pointer-events:auto;
  position:absolute;
  top:74px;
  left:16px;
  right:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-2);
  padding:6px 0;
  display:none;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;
  height:52px;
  line-height:52px;
  padding:0 20px;
  color:var(--title);
  font-size:16px;
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{
  color:var(--brand-d);
  font-weight:700;
  border-left:3px solid var(--accent);
  padding-left:17px;
  background:var(--paper-2);
}
.mobile-panel .panel-cta{margin:12px 16px 14px;display:block;text-align:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand-d);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(20,107,99,.08);color:var(--brand-d)}
.btn-light{background:#fff;color:var(--deep);border-color:#fff}
.btn-light:hover{background:var(--brand-l);color:var(--deep);border-color:var(--brand-l)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow:hover{color:var(--accent-d);text-decoration:underline;text-underline-offset:3px}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.badge-accent{background:var(--accent-l);color:var(--accent-d)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CBC8}
.breadcrumb .current{color:var(--brand-d);font-weight:600}

/* ============ 栏目头 ============ */
.cat-head{
  position:relative;
  overflow:hidden;
  padding:132px 0 72px;
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 78%);
}
.cat-head::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-100px;
  width:560px;
  height:560px;
  border-radius:50%;
  border:1px solid rgba(20,107,99,.08);
  box-shadow:0 0 0 60px rgba(20,107,99,.04),0 0 0 140px rgba(20,107,99,.03);
  pointer-events:none;
}
.cat-head::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--line);
}
.cat-head .container{position:relative;z-index:1}
.cat-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.cat-head h1{
  font-size:44px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:18px 0 20px;
}
.cat-head h1 .hl{color:var(--brand);border-bottom:4px solid var(--accent-l)}
.cat-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  max-width:640px;
}
.cat-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-figure{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  background:var(--paper-2);
}
.cat-figure img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
}
.cat-figure figcaption{
  position:absolute;
  left:16px;bottom:16px;
  background:var(--deep);
  color:#fff;
  font-size:13px;
  line-height:1.6;
  padding:10px 16px;
  border-radius:14px;
  max-width:80%;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .num{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.14em;
}
.section-head h2{
  font-size:32px;
  font-weight:700;
  line-height:1.3;
  margin:10px 0 14px;
}
.section-head p{font-size:16px;color:var(--muted);line-height:1.85}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 概念 / 定义段 ============ */
.intro-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:start;
}
.intro-text p + p{margin-top:20px}
.intro-text strong{color:var(--brand-d)}
.summary-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.summary-card h3{font-size:20px;margin-bottom:16px}
.summary-card li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
  margin-bottom:12px;
}
.summary-card li:last-child{margin-bottom:0}
.summary-card li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
}

/* ============ 要点网格（错落） ============ */
.grid-points{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.point-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3DEDA}
.point-card .idx{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:800;
  color:rgba(20,107,99,.14);
  line-height:1;
  display:block;
  margin-bottom:12px;
}
.point-card h3{font-size:19px;margin-bottom:10px}
.point-card p{font-size:15px;line-height:1.8;color:var(--text)}
.point-card .link-arrow{margin-top:16px}
.point-card.is-offset{margin-top:28px}
.point-card.is-media{padding:0;overflow:hidden}
.point-card.is-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  background:var(--paper-2);
}
.point-card.is-media .media-body{padding:24px 28px 28px}
.point-card.is-accent{background:var(--deep);border-color:var(--deep)}
.point-card.is-accent h3{color:#fff}
.point-card.is-accent p{color:#CFDAD7}
.point-card.is-accent .idx{color:rgba(255,255,255,.22)}
.point-card.is-accent .link-arrow{color:#8FBFB6}
.point-card.is-accent .link-arrow:hover{color:#fff}

/* ============ 数据横条 ============ */
.stat-band{
  margin-top:56px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:32px 28px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  box-shadow:var(--sh-1);
}
.stat-item{
  text-align:center;
  padding:0 16px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0}
.stat-item .num{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
}
.stat-item .num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-item .lbl{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 确认清单 ============ */
.check-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.check-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--paper-2);
  aspect-ratio:4/5;
}
.check-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.check-list{border-top:1px solid var(--line)}
.check-item{
  display:grid;
  grid-template-columns:40px 1fr;
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.check-item .tick{
  width:32px;height:32px;
  border-radius:50%;
  background:var(--brand-l);
  color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-weight:700;
  font-size:14px;
  margin-top:2px;
}
.check-item h3{font-size:18px;margin-bottom:6px}
.check-item p{font-size:15px;line-height:1.8;color:var(--text)}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--title);
  transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  font-family:var(--font-num);
  font-size:22px;
  font-weight:600;
  color:var(--brand);
  flex:0 0 auto;
  transition:transform var(--t),color var(--t);
}
.faq details[open] summary{color:var(--brand-d)}
.faq details[open] summary::after{content:"−";color:var(--accent)}
.faq .faq-answer{
  padding:0 0 24px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:720px;
}

/* ============ 相关阅读 ============ */
.related-list{border-top:1px solid var(--line)}
.related-item{
  display:grid;
  grid-template-columns:96px 1fr auto;
  gap:20px;
  align-items:center;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.related-item img{
  width:96px;height:72px;
  object-fit:cover;
  background:var(--paper-2);
  border-radius:12px;
}
.related-item .badge{margin-bottom:8px}
.related-item h3{font-size:18px;line-height:1.5}
.related-item h3 a{color:var(--title)}
.related-item h3 a:hover{color:var(--brand)}
.related-item .meta{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 底部转化带 ============ */
.cta-band{
  background:var(--deep);
  color:#CFDAD7;
  padding:72px 0;
  text-align:center;
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{color:#AFC4C0;max-width:620px;margin:0 auto 28px;font-size:16px}
.cta-band .cta-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.cta-band .link-arrow{color:#8FBFB6}
.cta-band .link-arrow:hover{color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#CFDAD7;padding:64px 0 28px}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:16px;
  margin-bottom:16px;
}
.footer-logo:hover{color:#fff}
.footer-logo .logo-mark{background:rgba(255,255,255,.12);color:#8FBFB6}
.footer-brand p{font-size:14px;line-height:1.85;color:#AFC4C0;max-width:320px}
.footer-col h4{color:#8FBFB6;font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:#CFDAD7}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:13px;
  color:#8FBFB6;
}
.to-top{color:#8FBFB6;font-size:13px}
.to-top:hover{color:#fff}

/* ============ 底部固定转化条 ============ */
.convert-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(255,255,255,.95);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -14px rgba(16,49,46,.3);
  transform:translateY(110%);
  transition:transform var(--t);
}
.convert-bar.is-visible{transform:translateY(0)}
.convert-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:64px;
}
.convert-inner p{font-size:14px;color:var(--text);margin:0}
.convert-inner p strong{color:var(--brand-d)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .cat-head h1{font-size:40px}
  .intro-grid,.check-grid{gap:32px}
}
@media (max-width:1023px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .dock{padding:8px 10px 8px 16px}
  .cat-grid{grid-template-columns:1fr;gap:32px}
  .cat-head{padding:120px 0 56px}
  .cat-figure{aspect-ratio:16/9}
  .intro-grid,.check-grid{grid-template-columns:1fr}
  .grid-points{grid-template-columns:repeat(2,1fr)}
  .point-card.is-offset{margin-top:0}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:20px;border-bottom:1px solid var(--line)}
  .stat-item:nth-child(3),.stat-item:nth-child(4){padding-top:20px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-bottom:88px}
  .cat-head h1{font-size:32px}
  .cat-lead{font-size:16px}
  .section{padding:48px 0}
  .section-head h2{font-size:26px}
  .grid-points{grid-template-columns:1fr}
  .related-item{grid-template-columns:80px 1fr;gap:16px}
  .related-item img{width:80px;height:64px}
  .related-item .item-side{display:none}
  .cta-band h2{font-size:26px}
  .cta-band{padding:56px 0}
}
@media (max-width:560px){
  .container{padding:0 20px}
  h1,h2{letter-spacing:0}
  .cat-head{padding:108px 0 44px}
  .cat-head h1{font-size:28px}
  .cat-cta .btn{width:100%}
  .point-card,.summary-card{padding:22px;border-radius:14px}
  .stat-item .num{font-size:26px}
  .convert-inner{height:60px;gap:12px}
  .convert-inner p{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .convert-inner .btn{flex:0 0 auto}
}
@media (max-width:400px){
  .convert-inner p{display:none}
  .convert-inner .btn{width:100%}
  .mobile-panel{top:70px}
}

/* roulang page: category3 */
:root{
  --c-primary:#146B63;
  --c-primary-dark:#0F544E;
  --c-primary-soft:#DCEBE8;
  --c-accent:#E4831C;
  --c-accent-dark:#C96C0C;
  --c-accent-soft:#FCEBD6;
  --c-ink:#10312E;
  --bg:#F7F6F2;
  --bg-alt:#EDF2F0;
  --surface:#FFFFFF;
  --text:#46514D;
  --title:#1B2320;
  --muted:#7E8B87;
  --line:#E2E7E4;
  --danger:#C4442F;
  --ok:#1E7A5F;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-panel:20px;
  --sh-1:0 1px 2px rgba(16,49,46,.05);
  --sh-2:0 12px 28px -12px rgba(16,49,46,.18);
  --sh-dock:0 10px 30px -10px rgba(16,49,46,.22);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --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;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:96px;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","思源黑体","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:clamp(19px,1.7vw,21px);line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(20,107,99,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;border-top:1px solid var(--line);}
.section--alt{background:var(--bg-alt);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.08em;line-height:1.4;
}
.eyebrow--accent{background:var(--c-accent-soft);color:var(--c-accent-dark);}
.section-head{max-width:760px;margin-bottom:var(--sp-7);}
.section-head h2{margin-top:var(--sp-4);}
.section-head p{margin-top:var(--sp-4);color:var(--muted);font-size:16px;}
.lead{font-size:17px;line-height:1.9;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  transition:background-color var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(20,107,99,.08);color:var(--c-primary-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--line);color:#9AA5A1;border-color:transparent;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{font-weight:600;border-bottom:2px solid transparent;padding-bottom:2px;}
.text-link:hover{border-bottom-color:var(--c-accent);color:var(--c-accent-dark);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.5;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-dark);}
.badge--muted{background:#E7EBE9;color:#5C6A66;}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;}
.dock{
  width:min(1120px,calc(100% - 32px));margin:0 auto;
  height:64px;padding:0 12px 0 18px;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  backdrop-filter:blur(8px);
  transition:height var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .dock{height:56px;box-shadow:0 12px 30px -12px rgba(16,49,46,.3);}
.dock-logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;font-size:16px;flex-shrink:0;}
.dock-logo:hover{color:var(--c-primary);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  flex-shrink:0;
}
.footer-logo .logo-mark{background:rgba(143,191,182,.16);color:#8FBFB6;width:30px;height:30px;border-radius:10px;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  color:var(--text);font-size:15px;font-weight:500;line-height:1.4;
  transition:color var(--t),background-color var(--t);
}
.dock-nav a:hover{color:var(--c-primary-dark);background:var(--c-primary-soft);}
.dock-nav a.is-active{color:var(--c-primary-dark);background:var(--c-primary-soft);font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-pill);
  color:var(--c-primary);border:1px solid var(--line);
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary-dark);}
.hamburger{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--c-primary-dark);}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.dock-panel{
  display:none;width:min(1120px,calc(100% - 32px));margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh-2);overflow:hidden;
}
.dock-panel.is-open{display:block;}
.dock-panel a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  color:var(--text);font-weight:500;border-bottom:1px solid var(--line);border-left:3px solid transparent;
}
.dock-panel a:last-child{border-bottom:0;}
.dock-panel a.is-active{color:var(--c-primary-dark);font-weight:600;border-left-color:var(--c-accent);background:var(--c-primary-soft);}

/* ============ 面包屑 ============ */
.crumbs{padding-top:120px;font-size:13px;color:var(--muted);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumbs li::after{content:"/";margin-left:6px;color:#B9C4C0;}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .current{color:var(--c-primary);font-weight:600;}

/* ============ 栏目头 ============ */
.cat-head{position:relative;padding:32px 0 72px;overflow:hidden;}
.cat-head::before{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(20,107,99,.10),transparent 68%);
  pointer-events:none;
}
.cat-head::after{
  content:"";position:absolute;left:-80px;bottom:-60px;width:260px;height:260px;
  border:1px dashed rgba(20,107,99,.18);border-radius:50%;pointer-events:none;
}
.cat-head .inner{position:relative;z-index:1;max-width:820px;}
.cat-head h1{margin-top:var(--sp-5);}
.cat-head h1 em{font-style:normal;color:var(--c-primary);}
.cat-head .lead{margin-top:var(--sp-5);color:var(--text);}
.cat-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:var(--sp-6);}
.cat-banner{
  position:relative;z-index:1;margin-top:var(--sp-8);
  width:100%;aspect-ratio:21/9;object-fit:cover;
  border-radius:var(--r-panel);border:1px solid var(--line);
  background:var(--bg-alt);
}

/* ============ 数据横条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--sh-1);overflow:hidden;
}
.stat-bar .stat{padding:26px 24px;border-left:1px solid var(--line);}
.stat-bar .stat:first-child{border-left:0;}
.stat b{display:block;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.01em;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}

/* ============ 清单式对比 ============ */
.check-list{border-top:1px solid var(--line);}
.check-row{
  display:grid;grid-template-columns:210px 1fr auto;align-items:start;gap:24px;
  padding:24px 18px;border-bottom:1px solid var(--line);
  transition:background-color var(--t);
}
.check-row:hover{background:rgba(220,235,232,.36);}
.check-name{font-size:18px;font-weight:700;color:var(--title);line-height:1.5;}
.check-name small{display:block;margin-top:4px;font-size:13px;font-weight:500;color:var(--muted);}
.check-desc{font-size:15px;line-height:1.85;color:var(--text);}
.check-desc strong{color:var(--c-primary-dark);font-weight:600;}
.check-tags{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:96px;}

/* ============ 图文并排 ============ */
.split{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.split--rev .split-media{order:2;}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-panel);border:1px solid var(--line);background:var(--bg-alt);}
.split-body h2{margin-top:var(--sp-4);}
.split-body p{margin-top:var(--sp-4);font-size:16px;}
.point-list{margin-top:var(--sp-5);}
.point-list li{position:relative;padding-left:28px;margin-top:14px;font-size:16px;line-height:1.8;}
.point-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:14px;height:8px;
  border-left:2.5px solid var(--c-primary);border-bottom:2.5px solid var(--c-primary);
  transform:rotate(-45deg);border-radius:1px;
}
.point-list li b{color:var(--title);font-weight:600;}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;}
.faq details{border-top:1px solid var(--line);}
.faq details:last-of-type{border-bottom:1px solid var(--line);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--title);
  cursor:pointer;list-style:none;transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-primary);}
.faq summary::after{
  content:"+";flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--c-primary);background:var(--c-primary-soft);
  transition:transform var(--t),background-color var(--t),color var(--t);
}
.faq details[open] summary{color:var(--c-primary);}
.faq details[open] summary::after{content:"–";background:var(--c-accent-soft);color:var(--c-accent-dark);transform:rotate(180deg);}
.faq .answer{padding:0 4px 24px;font-size:16px;line-height:1.85;color:var(--text);max-width:740px;}

/* ============ 相关文章 ============ */
.related{border-top:1px solid var(--line);}
.related-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background-color var(--t);
}
.related-item:hover{background:rgba(220,235,232,.36);}
.related-item img{width:96px;height:72px;object-fit:cover;border-radius:var(--r-img);background:var(--bg-alt);}
.related-item h3{font-size:18px;line-height:1.5;}
.related-item h3 a{color:var(--title);}
.related-item:hover h3 a{color:var(--c-primary);}
.related-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7;}
.related-item time{font-size:13px;color:var(--muted);white-space:nowrap;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-ink);color:#CFDAD7;padding:72px 0;text-align:center;}
.cta-band h2{color:#fff;}
.cta-band p{margin:16px auto 0;max-width:620px;font-size:16px;color:#B9CBC7;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:32px;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;}
.cta-band .text-link{color:#F4C58A;}
.cta-band .text-link:hover{color:#fff;border-bottom-color:#F4C58A;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#CFDAD7;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;}
.footer-logo:hover{color:#8FBFB6;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9FB3AE;max-width:320px;}
.footer-col h4{color:#8FBFB6;font-size:14px;font-weight:700;letter-spacing:.02em;}
.footer-col ul{margin-top:18px;}
.footer-col li{margin-bottom:12px;font-size:14px;}
.footer-col a,.footer-col span{color:#CFDAD7;}
.footer-col a:hover{color:#F4C58A;}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FB3AE;
}
.to-top{color:#8FBFB6;}
.to-top:hover{color:#F4C58A;}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.95);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -16px rgba(16,49,46,.35);
  transform:translateY(110%);transition:transform var(--t);
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-inner{
  width:min(1120px,calc(100% - 32px));margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-inner p{font-size:14px;color:var(--text);}
.sticky-inner p b{color:var(--c-primary-dark);font-weight:600;}

/* ============ 空态 ============ */
.empty-state{
  background:var(--bg-alt);border:1px dashed #C6D4D0;border-radius:var(--r-card);
  padding:32px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-state a{margin-left:6px;font-weight:600;}

/* ============ 响应式 ============ */
@media (min-width:1440px){:root{--container:1240px;}}
@media (max-width:1199px){
  .split{gap:32px;}
  .check-row{grid-template-columns:180px 1fr auto;gap:20px;}
}
@media (max-width:1023px){
  .dock-nav{display:none;}
  .hamburger{display:inline-flex;}
  .dock{padding-right:14px;}
  .section{padding:64px 0;}
  .split{grid-template-columns:1fr;}
  .split--rev .split-media{order:0;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-bar .stat:nth-child(3){border-left:0;}
  .stat-bar .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-item{grid-template-columns:80px 1fr;gap:16px;}
  .related-item img{width:80px;height:64px;}
  .related-item time{grid-column:2;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:84px;}
  .container{padding:0 20px;}
  .crumbs{padding-top:104px;}
  .cat-head{padding:24px 0 48px;}
  .cat-banner{aspect-ratio:16/9;margin-top:40px;}
  .check-row{grid-template-columns:1fr;gap:12px;padding:20px 8px;}
  .check-tags{flex-direction:row;align-items:center;justify-content:flex-start;min-width:0;}
  .section{padding:48px 0;}
  .stat-bar .stat{padding:20px 18px;}
  .stat b{font-size:26px;}
  .cta-band{padding:56px 0;}
  .sticky-inner{height:60px;}
  .sticky-inner p{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .sticky-inner .btn{flex-shrink:0;}
}
@media (max-width:560px){
  h1{font-size:30px;}
  h2{font-size:24px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .cat-actions{flex-direction:column;align-items:stretch;}
  .dock-logo span{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .sticky-inner p{display:none;}
  .sticky-inner .btn{width:100%;}
}
@media (max-width:400px){
  .sticky-inner p{display:none;}
  .dock{gap:8px;padding-left:12px;}
  .logo-mark{width:30px;height:30px;}
}

/* roulang page: category2 */
:root{
  --brand:#146B63;
  --brand-d:#0F544E;
  --brand-l:#DCEBE8;
  --accent:#E4831C;
  --accent-d:#C96C0C;
  --accent-l:#FCEBD6;
  --bg:#F7F6F2;
  --bg-2:#EDF2F0;
  --card:#FFFFFF;
  --ink:#1B2320;
  --text:#46514D;
  --muted:#7E8B87;
  --line:#E2E7E4;
  --dark:#10312E;
  --danger:#C4442F;
  --ok:#1E7A5F;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,49,46,.05);
  --sh-2:0 12px 28px -12px rgba(16,49,46,.18);
  --sh-dock:0 10px 30px -10px rgba(16,49,46,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em;}
h1{font-size:46px;line-height:1.25;font-weight:800;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:21px;line-height:1.45;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(20,107,99,.32);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{max-width:1240px;}
}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:90;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:height var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .dock{
  height:56px;
  box-shadow:0 16px 36px -14px rgba(16,49,46,.3);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  color:var(--ink);
  letter-spacing:-.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-l);
  color:var(--brand);
  flex:0 0 auto;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.dock-nav a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
  transition:background-color var(--t),color var(--t),box-shadow var(--t);
}
.dock-nav a:hover{background:var(--bg-2);color:var(--brand-d);}
.dock-nav a.is-active{
  background:var(--brand-l);
  color:var(--brand-d);
  font-weight:700;
  box-shadow:inset 0 -2px 0 var(--accent);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--muted);
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--bg-2);}
.hamburger{display:none;}
.hamburger span{
  display:block;width:16px;height:2px;background:currentColor;border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.hamburger span + span{margin-top:4px;}

/* 移动端面板 */
.mobile-panel{
  pointer-events:auto;
  position:fixed;
  top:88px;
  left:16px;
  right:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-2);
  padding:8px;
  display:none;
  z-index:89;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 16px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.is-active{
  color:var(--brand-d);
  font-weight:700;
  border-left:3px solid var(--accent);
  padding-left:13px;
}
.mobile-panel a:hover{color:var(--brand);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:16px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
  box-shadow:0 8px 20px -12px rgba(228,131,28,.9);
}
.btn-primary:hover{
  background:var(--accent-d);
  border-color:var(--accent-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{
  background:rgba(20,107,99,.08);
  color:var(--brand-d);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--accent);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.btn-link:hover{color:var(--accent-d);border-bottom-color:var(--accent-d);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-accent{background:var(--accent-l);color:var(--accent-d);}
.badge-soft{background:var(--bg-2);color:var(--muted);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ============ 栏目头 ============ */
.cat-head{
  position:relative;
  padding:132px 0 72px;
  background:linear-gradient(180deg,#EDF2F0 0%,#F7F6F2 82%);
  overflow:hidden;
}
.cat-head::before{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(20,107,99,.08);
  box-shadow:0 0 0 60px rgba(20,107,99,.04),0 0 0 130px rgba(20,107,99,.025);
  pointer-events:none;
}
.cat-head::after{
  content:"";
  position:absolute;
  left:-40px;bottom:20px;
  width:220px;height:220px;
  background-image:radial-gradient(rgba(20,107,99,.14) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.7;
  pointer-events:none;
}
.cat-head .container{position:relative;z-index:1;}
.cat-head h1{
  margin:22px 0 0;
  max-width:16em;
}
.cat-head .lead{
  margin-top:18px;
  max-width:56em;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.cat-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.cat-banner{
  margin:44px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:var(--bg-2);
}
.cat-banner img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-top:16px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.85;}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ============ 数据横条 ============ */
.metrics-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.metric{
  padding:32px 28px;
  border-left:1px solid var(--line);
}
.metric:first-child{border-left:0;}
.metric .num{
  font-family:var(--num);
  font-size:32px;
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
  letter-spacing:-.02em;
}
.metric .num small{font-size:15px;font-weight:600;margin-left:4px;}
.metric .label{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.04em;
}
.metric .desc{
  margin-top:6px;
  font-size:14px;
  color:var(--text);
  line-height:1.7;
}

/* ============ 时间轴 / 步骤条 ============ */
.flow-list{
  position:relative;
  max-width:860px;
  margin:0 auto;
  padding:8px 0 0;
}
.flow-list::before{
  content:"";
  position:absolute;
  left:23px;
  top:16px;
  bottom:32px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(20,107,99,.35) 60%,rgba(20,107,99,.08) 100%);
  border-radius:2px;
}
.flow-item{
  position:relative;
  padding:0 0 36px 76px;
}
.flow-item:last-child{padding-bottom:0;}
.flow-num{
  position:absolute;
  left:0;
  top:2px;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:#fff;
  border:1.5px solid var(--brand);
  color:var(--brand);
  font-family:var(--num);
  font-weight:700;
  font-size:14px;
  box-shadow:var(--sh-1);
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.flow-item:hover .flow-num{
  background:var(--brand);
  color:#fff;
}
.flow-item h3{margin-bottom:8px;}
.flow-item p{font-size:16px;line-height:1.85;max-width:56em;}
.flow-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}

/* ============ 图文区块 ============ */
.split{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.split.reverse{grid-template-columns:5fr 7fr;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:var(--bg-2);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.split-media:hover img{transform:scale(1.02);}
.split-body h2{margin:16px 0 16px;}
.split-body p{font-size:16px;line-height:1.85;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:9px;
  width:14px;height:8px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.split-body .btn-link{margin-top:24px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  position:relative;
  border-radius:50%;
  background:var(--brand-l);
  color:var(--brand);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:currentColor;
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:opacity var(--t),transform var(--t);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-answer{
  padding:0 4px 26px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:64em;
}

/* ============ 相关文章 ============ */
.related-list{
  display:grid;
  gap:0;
  border-top:1px solid var(--line);
}
.related-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--t);
}
.related-item:hover{background:rgba(20,107,99,.03);}
.related-thumb{
  flex:0 0 auto;
  width:88px;height:88px;
  border-radius:12px;
  overflow:hidden;
  background:var(--bg-2);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{flex:1 1 auto;min-width:0;}
.related-body h3{
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-item:hover h3{color:var(--brand);}
.related-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
}
.related-meta time{font-family:var(--num);}
.related-arrow{
  flex:0 0 auto;
  color:var(--muted);
  transition:transform var(--t),color var(--t);
}
.related-item:hover .related-arrow{color:var(--accent);transform:translateX(3px);}

/* ============ 底部转化带 ============ */
.cta-band{
  background:var(--dark);
  color:#CFDAD7;
  padding:80px 0;
  text-align:center;
}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{
  max-width:44em;
  margin:0 auto;
  font-size:16px;
  color:#CFDAD7;
}
.cta-band .actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:22px;
  margin-top:32px;
}
.cta-band .link-light{
  color:#8FBFB6;
  font-weight:600;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.cta-band .link-light:hover{color:#fff;border-bottom-color:var(--accent);}

/* ============ 固定底部转化条 ============ */
.dock-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 24px;
  background:rgba(255,255,255,.95);
  border-top:1px solid var(--line);
  box-shadow:0 -10px 30px -18px rgba(16,49,46,.35);
  transform:translateY(110%);
  transition:transform 300ms var(--ease);
  z-index:85;
}
.dock-cta.is-visible{transform:translateY(0);}
.dock-cta .dock-cta-text{
  flex:1 1 auto;
  min-width:0;
  font-size:14px;
  color:var(--text);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.dock-cta .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#CFDAD7;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:17px;
}
.footer-logo:hover{color:#fff;}
.footer-logo .logo-mark{background:rgba(143,191,182,.16);color:#8FBFB6;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#CFDAD7;
  max-width:30em;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#8FBFB6;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,
.footer-col span{
  font-size:14px;
  color:#CFDAD7;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:52px;
  padding-top:20px;
  border-top:1px solid rgba(207,218,215,.16);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FBFB6;
}
.to-top{
  color:#8FBFB6;
  font-weight:600;
}
.to-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .split{gap:36px;}
  .related-side{max-width:none;}
}
@media (max-width:1023px){
  .dock{height:60px;padding:0 10px 0 16px;}
  .dock-nav{display:none;}
  .hamburger{
    display:inline-flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    width:38px;height:38px;
    border:1px solid var(--line);
    background:transparent;
    color:var(--ink);
    border-radius:var(--r-pill);
  }
  .site-header.is-scrolled .dock{height:56px;}
  .dock-actions .btn-sm{display:none;}
  .metrics-bar{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(3){border-left:0;border-top:1px solid var(--line);}
  .metric:nth-child(4){border-top:1px solid var(--line);}
  .split,
  .split.reverse{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
  .cat-head{padding:112px 0 56px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:19px;}
  .container{padding:0 20px;}
  .cat-head{padding:104px 0 48px;}
  .cat-head .lead{font-size:16px;}
  .cat-banner img{aspect-ratio:16/9;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .metrics-bar{grid-template-columns:1fr;}
  .metric{border-left:0;border-top:1px solid var(--line);padding:24px;}
  .metric:first-child{border-top:0;}
  .flow-item{padding-left:64px;}
  .flow-num{width:42px;height:42px;font-size:13px;}
  .flow-list::before{left:20px;}
  .related-thumb{width:72px;height:72px;}
  .related-item{gap:14px;}
  .cta-band{padding:60px 0;}
  .dock-cta{padding:0 16px;gap:12px;}
  .dock-cta .btn{height:44px;padding:0 20px;font-size:15px;}
  .site-footer{padding:52px 0 22px;}
}
@media (max-width:560px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .cat-actions{gap:12px;}
  .cat-actions .btn{width:100%;}
  .dock-cta .dock-cta-text{font-size:13px;white-space:normal;line-height:1.4;}
}
@media (max-width:400px){
  .btn{width:100%;}
  .dock-cta .dock-cta-text{display:none;}
  .dock-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}