/* roulang page: index */
:root{
  --primary:#0F4D45;
  --primary-700:#0A3730;
  --primary-50:#EAF3F0;
  --accent:#F0A03C;
  --accent-600:#DE8F2E;
  --tint:#2E6E7E;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --band:#EFEDE6;
  --ink:#16211F;
  --ink-2:#55605C;
  --ink-3:#8A918C;
  --border:#E2DED4;
  --line:#EDEAE2;
  --ok:#2F8F5B;
  --warn:#C9761F;
  --err:#C0453B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 24px rgba(15,77,69,.12);
  --mono:ui-monospace,"DIN Alternate","Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--band{background:var(--band)}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-title{position:relative;padding-left:16px;font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-title::before{content:"";position:absolute;left:0;top:6px;width:3px;height:20px;border-radius:2px;background:var(--primary)}
.section-desc{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.section-link span{transition:transform .2s ease}
.section-link:hover span{transform:translateX(4px)}

/* 顶部条 */
.topbar{background:var(--primary-700);color:rgba(255,255,255,.86);font-size:12px;letter-spacing:.04em}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar-note{color:rgba(255,255,255,.72)}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:#fff}
.topbar-right a:hover{color:var(--accent)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--border)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:74px;gap:20px}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-side--right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 2px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--primary);transition:left .2s ease,right .2s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{left:0;right:0}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{left:0;right:0}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:700;letter-spacing:-.01em;color:var(--primary)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;color:#fff;flex:0 0 auto}
.burger{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--primary);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-menu{position:fixed;inset:0;z-index:80;background:var(--surface);transform:translateY(-100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:0 20px 24px}
.mobile-menu.open{transform:translateY(0)}
.mobile-head{display:flex;align-items:center;justify-content:space-between;height:74px}
.mobile-close{border:1px solid var(--border);background:#fff;border-radius:10px;width:42px;height:42px;font-size:18px;color:var(--primary);cursor:pointer}
.mobile-list{margin-top:8px;flex:1}
.mobile-list a{display:flex;align-items:center;height:52px;font-size:17px;color:var(--ink);border-bottom:1px solid var(--border)}
.mobile-list a.active{color:var(--primary);font-weight:600}
.nav-mask{position:fixed;inset:0;background:rgba(10,55,48,.4);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:70}
.nav-mask.open{opacity:1;visibility:visible}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;text-align:center}
.btn-primary{background:var(--accent);color:#1B1A17}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-50)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{cursor:not-allowed;filter:saturate(.4);opacity:.75}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);background:var(--primary-50);color:var(--primary);font-size:12px;font-weight:500;letter-spacing:.04em;line-height:1.5}
.badge--accent{background:#FDF0DC;color:#8A5715}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(240,160,60,.16),rgba(240,160,60,0) 68%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:78px 0 84px}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:18px 0 0}
.hero h1 em{font-style:normal;color:var(--primary);box-shadow:inset 0 -10px 0 rgba(240,160,60,.28)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{display:flex;align-items:center;gap:22px;margin-top:34px;flex-wrap:wrap}
.hero-mini li{display:flex;flex-direction:column;gap:2px;position:relative;padding-right:22px}
.hero-mini li+li{border-left:1px solid var(--border);padding-left:22px}
.hero-mini b{font-family:var(--mono);font-size:20px;color:var(--primary);letter-spacing:-.02em}
.hero-mini span{font-size:12px;color:var(--ink-3)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;box-shadow:var(--sh-2)}
.hero-float{position:absolute;left:-22px;bottom:-24px;width:230px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:16px 18px}
.hero-float strong{display:block;font-family:var(--mono);font-size:24px;color:var(--primary)}
.hero-float span{font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.hero-float .bar{height:6px;border-radius:var(--r-pill);background:var(--primary-50);margin-top:12px;overflow:hidden}
.hero-float .bar i{display:block;height:100%;width:92%;background:var(--accent);border-radius:var(--r-pill)}

/* 指标看板 */
.stats{position:relative;background:var(--primary);color:#fff;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 0}
.stat{padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.22)}
.stat b{display:block;font-family:var(--mono);font-size:40px;line-height:1.15;color:var(--accent);letter-spacing:-.02em}
.stat b small{font-size:16px;margin-left:4px;letter-spacing:0}
.stat span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.78)}

/* 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5D0C4}
.card:hover::before{transform:scaleX(1)}
.card-big{grid-column:span 6;display:flex;flex-direction:column}
.card-sm{grid-column:span 3;padding:24px;display:flex;flex-direction:column;gap:12px}
.card-big img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-big .card-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:20px;font-weight:600;line-height:1.5}
.card-sm .card-title{font-size:17px}
.card-text{font-size:14px;color:var(--ink-2);line-height:1.75}
.icon-box{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--primary);background:transparent;border:1.5px solid var(--primary);transition:background .2s ease}
.card:hover .icon-box{background:var(--primary-50)}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.card-link i{font-style:normal;transition:transform .2s ease}
.card-link:hover i{transform:translateX(4px)}

/* 内容列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-cover{display:block}
.post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--primary)}
.post-text{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.post-foot .read{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary)}
.post-foot .read i{font-style:normal;transition:transform .2s ease}
.post-card:hover .read i{transform:translateX(4px)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:180px;padding:32px;border:1px dashed var(--border);border-radius:var(--r-card);background:var(--surface);text-align:center}
.empty-state p{font-size:15px;color:var(--ink-2)}
.empty-state span{font-size:12px;color:var(--ink-3)}

/* 结果对比 */
.compare{display:grid;grid-template-columns:1fr 64px 1fr;gap:28px;align-items:center}
.compare-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--sh-1)}
.compare-col h3{font-size:18px;font-weight:600;margin-bottom:6px}
.compare-col .tag{font-size:12px;letter-spacing:.04em;color:var(--ink-3)}
.compare-item{margin-top:18px}
.compare-item p{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.compare-item p b{font-family:var(--mono);color:var(--ink)}
.track{height:8px;border-radius:var(--r-pill);background:var(--band);overflow:hidden}
.track i{display:block;height:100%;border-radius:var(--r-pill)}
.track i.before{background:#C9C3B5}
.track i.after{background:var(--accent)}
.compare-arrow{width:64px;height:64px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:22px;margin:0 auto}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:48px}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--ink-2)}
.faq-aside .contact{margin-top:18px;font-size:14px;color:var(--primary);font-weight:600}
.faq-list details{border-bottom:1px solid var(--line);position:relative;padding-left:0;transition:padding .2s ease}
.faq-list details[open]{padding-left:14px}
.faq-list details[open]::before{content:"";position:absolute;left:0;top:10px;bottom:12px;width:3px;border-radius:2px;background:var(--accent)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:20px 0;font-size:18px;font-weight:600;line-height:1.6}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;font-size:16px;color:var(--primary);transition:transform .2s ease,background .2s ease}
.faq-list details[open] summary .sign{transform:rotate(180deg);background:var(--primary-50)}
.faq-list .answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:660px}

/* 表单 */
.convert{display:grid;grid-template-columns:2fr 3fr;border-radius:16px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-1);background:var(--surface)}
.convert-aside{position:relative;background:var(--primary);color:#fff;padding:40px 34px;overflow:hidden}
.convert-aside::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:38px 38px;pointer-events:none}
.convert-aside h2{position:relative;font-size:24px;line-height:1.45}
.convert-aside ul{position:relative;margin-top:24px;display:flex;flex-direction:column;gap:14px}
.convert-aside li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.86);line-height:1.7}
.convert-aside li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:10px}
.convert-phone{position:relative;margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.24);font-size:14px;color:rgba(255,255,255,.78)}
.convert-phone b{display:block;font-family:var(--mono);font-size:22px;color:#fff;letter-spacing:.02em;margin-top:4px}
.convert-form{padding:36px 34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.field input,.field select,.field textarea{width:100%;background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);padding:12px 16px;font-size:15px;line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-50)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--err)}
.field .err{font-size:13px;color:var(--err);display:none}
.field.invalid .err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin-bottom:18px}
.check input{margin-top:4px}
.form-status{min-height:48px;display:flex;align-items:center;font-size:14px;color:var(--ok)}

/* CTA 条 */
.cta-band{background:var(--primary-700);color:#fff}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:44px;padding-bottom:44px}
.cta-band h2{font-size:24px;line-height:1.5}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.76)}

/* 页脚 */
.site-footer{background:#0A3730;color:rgba(255,255,255,.76)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-mark{background:var(--accent);color:#1B1A17}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;color:rgba(255,255,255,.56)}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}

@media (max-width:1024px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:56px 0 68px}
  .hero h1{font-size:34px}
  .hero-float{left:auto;right:16px;bottom:-18px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .card-big{grid-column:span 12}
  .card-sm{grid-column:span 6}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .convert{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .compare{grid-template-columns:1fr 52px 1fr;gap:18px}
  .compare-arrow{width:52px;height:52px;font-size:18px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-side{display:none}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:66px}
  .logo{justify-self:center}
  .burger{display:inline-flex;justify-self:end}
  .topbar-note{display:none}
  .topbar .container{justify-content:center}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .section-title{font-size:24px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .card-sm{grid-column:span 12}
  .post-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr;gap:16px}
  .compare-arrow{transform:rotate(90deg)}
  .convert-aside,.convert-form{padding:28px 22px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cta-band .container{flex-direction:column;align-items:flex-start;padding-top:32px;padding-bottom:32px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 0 28px;gap:28px}
  .footer-brand{grid-column:span 2}
  .footer-col--contact{grid-column:span 2}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .stat b{font-size:32px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand,.footer-col--contact{grid-column:span 1}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root{
  --primary:#0F4D45;
  --primary-700:#0A3730;
  --primary-50:#EAF3F0;
  --accent:#F0A03C;
  --accent-600:#DE8E29;
  --tint:#2E6E7E;
  --bg:#F7F5F0;
  --band:#EFEDE6;
  --surface:#FFFFFF;
  --text:#16211F;
  --text-2:#55605C;
  --text-3:#8A918C;
  --border:#E2DED4;
  --line:#EDEAE2;
  --ok:#2F8F5B;
  --warn:#C9761F;
  --err:#C0453B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(22,33,31,.06);
  --shadow-2:0 10px 24px rgba(15,77,69,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"DIN Alternate","Roboto Mono",Menlo,monospace;
  --ease:.2s ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent-600);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.container-narrow{max-width:820px;}

/* ===== 顶部条 ===== */
.topbar{
  background:var(--primary-700);
  color:#D7E6E1;
  font-size:12px;
  letter-spacing:.04em;
  line-height:36px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar a{color:#D7E6E1;}
.topbar a:hover{color:var(--accent);}
.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--right{justify-content:flex-end;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--primary-700);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  flex:0 0 auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  height:2px;width:0;
  background:var(--primary);
  transform:translateX(-50%);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link.active{color:var(--primary);font-weight:600;}
.burger{
  display:none;
  width:42px;height:38px;
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  background:var(--surface);
  position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--primary);border-radius:2px;
  content:"";
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#1B1A17;}
.btn-primary:hover{background:var(--accent-600);color:#1B1A17;box-shadow:var(--shadow-2);}
.btn-primary .arrow{transition:transform var(--ease);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-50);color:var(--primary-700);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{filter:saturate(.6);cursor:not-allowed;opacity:.8;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ===== 面包屑 ===== */
.crumbs{
  font-size:13px;
  color:var(--text-3);
  padding:26px 0 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#BEB9AE;}
.crumbs .current{color:var(--text);}

/* ===== 文章 ===== */
.article-head{padding:18px 0 30px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--primary-50);
  color:var(--primary);
  font-size:12px;
  font-weight:500;
  letter-spacing:.04em;
  line-height:18px;
}
.badge-accent{background:#FDF1DF;color:#A9691A;}
.article-head h1{
  font-size:32px;
  font-weight:700;
  margin:16px 0 16px;
  letter-spacing:-.01em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C4B9;display:inline-block;}

.article-body{
  max-width:760px;
  padding:36px 0 8px;
  font-size:16px;
  line-height:1.85;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;color:#22302D;}
.article-body h2{
  font-size:24px;
  font-weight:700;
  margin:40px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  color:#22302D;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-body ol{counter-reset:li;padding-left:0;}
.article-body ol li{
  position:relative;padding-left:30px;margin-bottom:10px;
}
.article-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:4px;
  font-family:var(--mono);font-size:12px;font-weight:600;
  color:var(--primary);background:var(--primary-50);
  width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--accent);
  background:var(--bg);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.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:14px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{border-bottom:1px solid rgba(15,77,69,.3);}
.article-body a:hover{border-bottom-color:var(--accent-600);}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body thead th{
  background:var(--primary-50);color:var(--primary);
  text-align:left;padding:12px 16px;font-weight:600;font-size:14px;
}
.article-body tbody td{
  padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-2);
}
.article-body code{
  font-family:var(--mono);font-size:14px;
  background:var(--primary-50);color:var(--primary-700);
  padding:2px 6px;border-radius:6px;
}

/* 空态 */
.empty-state{
  border:1px dashed var(--border);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:52px 24px;
  text-align:center;
  margin:36px 0 8px;
}
.empty-state svg{color:#C0CBC6;margin-bottom:14px;}
.empty-state strong{display:block;font-size:17px;margin-bottom:8px;color:var(--text);}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:18px;}

/* 标签 */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:26px 0;
  border-top:1px solid var(--line);
  margin-top:36px;
}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:999px;
  background:var(--primary-50);color:var(--primary);
  font-size:12px;font-weight:500;letter-spacing:.04em;
  transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--primary);color:#fff;}

/* ===== 相关推荐 ===== */
.section{padding:72px 0;}
.section-head{margin-bottom:32px;}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:26px;font-weight:700;
}
.section-title::before{
  content:"";width:3px;height:20px;border-radius:2px;background:var(--primary);flex:0 0 auto;
}
.section-desc{font-size:15px;color:var(--text-2);margin:10px 0 0;}

.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.rel-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.rel-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rel-card:hover::before{transform:scaleX(1);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rel-card .rel-body{padding:20px 22px 22px;}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.rel-card h3 a{color:var(--text);}
.rel-card h3 a:hover{color:var(--primary);}
.rel-card p{font-size:14px;color:var(--text-2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-date{font-size:13px;color:var(--text-3);}

.back-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line);
}

/* ===== 轻量 CTA 带 ===== */
.cta-band{
  background:var(--primary);
  color:#fff;
  border-radius:var(--radius-card);
  padding:32px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:22px;font-weight:700;margin-bottom:8px;position:relative;z-index:1;}
.cta-band p{color:#C9DED8;font-size:14px;margin:0;position:relative;z-index:1;}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{
  background:#0C3B35;
  color:#B9CFC9;
  margin-top:56px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-top:64px;
  padding-bottom:48px;
}
.site-footer .logo{color:#fff;margin-bottom:14px;}
.site-footer .logo-mark{background:var(--accent);color:#123; }
.footer-brand p{color:#A9C3BC;font-size:13.5px;line-height:1.9;margin:0;max-width:330px;}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#B9CFC9;font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-col--contact p{color:#A9C3BC;font-size:13.5px;line-height:2;margin:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  font-size:13px;
  color:#8FAEA7;
}
.footer-bottom .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;}

/* ===== 移动端菜单 ===== */
.mobile-menu{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(10,55,48,.4);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.mobile-menu.open{opacity:1;visibility:visible;}
.mobile-panel{
  background:var(--bg);
  padding:18px 20px 24px;
  transform:translateY(-14px);
  transition:transform var(--ease);
  max-height:100vh;
  overflow-y:auto;
}
.mobile-menu.open .mobile-panel{transform:translateY(0);}
.mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.mobile-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--primary);font-size:20px;line-height:1;
}
.mobile-panel a{
  display:block;
  font-size:17px;
  color:var(--text);
  line-height:52px;
  border-bottom:1px solid var(--border);
}
.mobile-panel a.active{color:var(--primary);font-weight:600;}
.mobile-cta{margin-top:20px;}
.mobile-cta .btn{width:100%;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
}
@media (max-width:860px){
  .nav-side{display:none;}
  .nav-wrap{grid-template-columns:1fr auto 1fr;}
  .nav-wrap .logo{grid-column:2;}
  .burger{display:inline-flex;align-items:center;justify-content:center;grid-column:3;}
  .nav-side--right{display:none;}
  .article-head h1{font-size:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .topbar .container{padding:0 16px;}
  .topbar-left{display:none;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-top:48px;padding-bottom:34px;}
  .footer-col--contact{grid-column:1 / -1;order:-1;}
  .rel-grid{grid-template-columns:1fr;}
  .article-body{padding-top:28px;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .section-title{font-size:22px;}
  .btn{width:100%;}
  .back-row .btn{width:100%;}
  .cta-band{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .article-body table{font-size:14px;}
}

/* roulang page: category1 */
:root{
  --primary:#0F4D45;
  --primary-700:#0A3730;
  --primary-50:#EAF3F0;
  --accent:#F0A03C;
  --accent-dark:#D98B26;
  --tint:#2E6E7E;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --band:#EFEDE6;
  --text:#16211F;
  --muted:#55605C;
  --faint:#8A918C;
  --border:#E2DED4;
  --divider:#EDEAE2;
  --success:#2F8F5B;
  --warn:#C9761F;
  --danger:#C0453B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(22,33,31,.06);
  --sh2:0 10px 24px rgba(15,77,69,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"DIN Alternate","Roboto Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

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

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:#1B1A17;}
.btn-accent:hover{background:var(--accent-dark);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-50);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;}

.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:gap .2s ease,color .2s ease;
}
.textlink::after{content:"→";font-size:14px;transition:transform .2s ease;}
.textlink:hover{gap:10px;color:var(--primary-700);}
.textlink:hover::after{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:24px;height:74px;
}
.nav-side{display:flex;align-items:center;gap:30px;}
.nav-side--right{justify-content:flex-end;gap:18px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);
  padding:8px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--primary);transition:left .2s ease,right .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{left:0;right:0;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.01em;
}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;flex:none;
}
.burger{
  display:none;width:44px;height:44px;border:0;background:transparent;
  align-items:center;justify-content:center;cursor:pointer;padding:0;
  grid-column:1;
}
.burger span{position:relative;display:block;width:22px;height:2px;border-radius:2px;background:var(--text);}
.burger span::before,
.burger span::after{content:"";position:absolute;left:0;width:22px;height:2px;border-radius:2px;background:var(--text);}
.burger span::before{top:-7px;}
.burger span::after{top:7px;}

.mobile-menu{
  position:fixed;left:0;right:0;top:74px;bottom:0;z-index:70;
  background:var(--bg);padding:8px 24px 40px;overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mobile-menu.is-open{transform:none;opacity:1;visibility:visible;}
.mobile-menu a.m-link{
  display:block;font-size:17px;font-weight:500;color:var(--text);
  padding:0 4px;height:52px;line-height:52px;border-bottom:1px solid var(--border);
}
.mobile-menu a.m-link.is-active{color:var(--primary);font-weight:600;}
.mobile-menu .btn{margin-top:24px;}
body.menu-open{overflow:hidden;}

/* ---------- category hero ---------- */
.cat-hero{position:relative;background:var(--primary-700);color:#fff;overflow:hidden;}
.cat-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;
}
.cat-hero__veil{position:absolute;inset:0;background:rgba(10,55,48,.72);}
.cat-hero__inner{
  position:relative;z-index:2;min-height:220px;
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  padding-top:56px;padding-bottom:48px;
}
.crumb{position:absolute;top:22px;right:24px;font-size:13px;color:rgba(255,255,255,.72);}
.crumb a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.crumb a:hover{color:#fff;}
.crumb span{margin:0 8px;opacity:.6;}
.crumb em{font-style:normal;color:#fff;}
.cat-hero h1{font-size:40px;font-weight:700;letter-spacing:-.01em;}
.cat-hero__desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:720px;margin:0;}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.22);
}

/* ---------- metric strip ---------- */
.metric-strip{background:var(--surface);border-bottom:1px solid var(--border);}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);}
.metric{padding:26px 24px;border-right:1px solid var(--divider);}
.metric:last-child{border-right:0;}
.metric b{
  display:block;font-family:var(--mono);font-size:26px;font-weight:700;
  color:var(--primary);letter-spacing:-.02em;
}
.metric span{font-size:13px;color:var(--muted);}

/* ---------- layout ---------- */
.cat-body{padding:56px 0 72px;}
.cat-grid{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start;}

.toc{
  position:sticky;top:98px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh1);
}
.toc h2{font-size:14px;font-weight:600;color:var(--text);letter-spacing:.04em;margin-bottom:14px;}
.toc ul{display:grid;gap:2px;}
.toc a{
  display:block;font-size:15px;color:var(--muted);
  padding:9px 4px 9px 14px;
  border-left:2px solid var(--divider);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.toc a:hover{color:var(--primary);border-left-color:var(--accent);background:var(--primary-50);}
.toc .toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--divider);
  font-size:13px;color:var(--faint);line-height:1.7;
}

.cat-section{margin-bottom:56px;scroll-margin-top:100px;}
.cat-section:last-of-type{margin-bottom:0;}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.sec-head::before{content:"";width:3px;height:20px;background:var(--primary);border-radius:2px;flex:none;}
.sec-head h2{font-size:26px;font-weight:700;}
.sec-lead{font-size:15px;color:var(--muted);margin:0 0 24px 15px;max-width:640px;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--primary);opacity:0;transition:opacity .2s ease;z-index:2;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.card:hover::before{opacity:1;}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--band);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:18px;font-weight:600;}
.card__body p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.card__meta{
  display:flex;align-items:center;gap:8px;margin-bottom:4px;
}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--primary-50);color:var(--primary);
}
.badge--accent{background:#FDF0DC;color:#8A5A11;}
.card__body .textlink{margin-top:auto;padding-top:6px;}

/* ---------- numbered list ---------- */
.numlist{display:grid;}
.numlist li{
  display:grid;grid-template-columns:66px 1fr;gap:22px;
  padding:24px 0;border-bottom:1px solid var(--divider);
}
.numlist li:first-child{border-top:1px solid var(--divider);}
.numlist .num{
  font-family:var(--mono);font-size:19px;font-weight:700;color:var(--primary);
  background:var(--primary-50);border-radius:10px;
  height:46px;display:flex;align-items:center;justify-content:center;
}
.numlist h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.numlist p{font-size:14px;line-height:1.78;color:var(--muted);margin:0;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--divider);}
.faq-item{position:relative;border-bottom:1px solid var(--divider);}
.faq-item::before{
  content:"";position:absolute;left:-16px;top:10px;bottom:10px;width:3px;
  background:var(--accent);border-radius:2px;opacity:0;transition:opacity .2s ease;
}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 0;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::after{
  content:"+";flex:none;font-size:22px;font-weight:400;line-height:1;color:var(--primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-body{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:700px;}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--primary);color:#fff;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:32px 32px;
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px 0;
}
.cta-band__inner h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.cta-band__inner p{font-size:15px;color:rgba(255,255,255,.82);margin:0;max-width:620px;}
.cta-band__actions{display:flex;gap:14px;flex:none;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- footer ---------- */
.site-footer{background:#0A3730;color:rgba(255,255,255,.72);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-top:64px;padding-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--accent);color:#1B1A17;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;margin:0;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-col--contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin:0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:18px;padding-bottom:18px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-grid{grid-template-columns:210px 1fr;gap:32px;}
}
@media (max-width:1023px){
  .cat-hero h1{font-size:34px;}
  .cat-grid{grid-template-columns:1fr;gap:28px;}
  .toc{
    position:static;padding:16px 16px 8px;border-radius:var(--r-card);
  }
  .toc h2{margin-bottom:10px;}
  .toc ul{
    display:flex;gap:10px;overflow-x:auto;padding-bottom:12px;
    scrollbar-width:thin;
  }
  .toc li{flex:none;}
  .toc a{
    padding:8px 14px;border-left:0;border:1px solid var(--border);
    border-radius:var(--r-pill);white-space:nowrap;font-size:14px;
  }
  .toc a:hover{border-color:var(--accent);background:var(--primary-50);}
  .toc .toc-note{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .nav-side{display:none;}
  .burger{display:flex;}
  .nav-wrap{grid-template-columns:44px 1fr 44px;height:66px;gap:8px;}
  .logo{grid-column:2;justify-self:center;font-size:18px;}
  .mobile-menu{top:66px;}
  .cat-hero__inner{min-height:160px;padding-top:56px;padding-bottom:36px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero__desc{font-size:15px;}
  .metric-grid{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--divider);padding:18px 0;}
  .metric:last-child{border-bottom:0;}
  .cat-body{padding:40px 0 52px;}
  .sec-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .numlist li{grid-template-columns:52px 1fr;gap:16px;padding:20px 0;}
  .numlist .num{height:40px;font-size:17px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:36px 0;}
  .cta-band__actions{width:100%;flex-direction:column;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:48px;padding-bottom:36px;}
  .footer-brand p{max-width:none;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:479px){
  .container{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:24px;}
  .card__body{padding:18px;}
  .btn{width:100%;}
  .btn.btn-sm,.textlink{width:auto;}
}

/* roulang page: category2 */
:root{
  --primary:#0F4D45;
  --primary-700:#0A3730;
  --primary-50:#EAF3F0;
  --accent:#F0A03C;
  --accent-700:#D98A26;
  --tint:#2E6E7E;
  --bg:#F7F5F0;
  --alt:#EFEDE6;
  --card:#FFFFFF;
  --text:#16211F;
  --text-2:#55605C;
  --text-3:#8A918C;
  --line:#E2DED4;
  --line-2:#EDEAE2;
  --success:#2F8F5B;
  --warn:#C9761F;
  --error:#C0453B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(22,33,31,.06);
  --shadow-2:0 10px 24px rgba(15,77,69,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --mono:ui-monospace,"DIN Alternate","Roboto Mono",monospace;
  --pad-section:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -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 .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--primary);color:#E7F1EE;font-size:12px;letter-spacing:.04em;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);}
.topbar a:hover{color:var(--accent);border-color:var(--accent);}
.topbar-right{display:flex;align-items:center;gap:16px;}
.topbar-right .tel{font-family:var(--mono);letter-spacing:.02em;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--primary);transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{width:100%;}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:21px;font-weight:700;letter-spacing:-.01em;color:var(--primary);
  white-space:nowrap;
}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:var(--primary);color:#fff;flex:0 0 auto;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#1B1A17;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-700);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-50);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:48px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled],.btn.disabled{opacity:.6;filter:saturate(40%);cursor:not-allowed;}
.burger{
  display:none;width:42px;height:38px;border:1px solid var(--line);
  background:var(--card);border-radius:var(--radius-btn);
  align-items:center;justify-content:center;
}
.burger span,.burger span::before,.burger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--primary);
  border-radius:2px;position:relative;transition:transform .2s ease;
}
.burger span::before{position:absolute;top:-6px;}
.burger span::after{position:absolute;top:6px;}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--card);}
.mobile-menu.open{display:block;}
.mobile-menu ul{padding:6px 0 16px;}
.mobile-menu a{
  display:block;padding:0 24px;line-height:52px;font-size:17px;
  color:var(--text);border-bottom:1px solid var(--line-2);
}
.mobile-menu a.active{color:var(--primary);font-weight:600;}
.mobile-menu .m-cta{padding:16px 24px 24px;}
.menu-mask{
  display:none;position:fixed;inset:0;background:rgba(10,55,48,.4);z-index:50;
}
.menu-mask.open{display:block;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:linear-gradient(180deg,rgba(247,245,240,.92),rgba(247,245,240,.98)),url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,77,69,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(15,77,69,.06) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.page-head .container{
  position:relative;z-index:1;
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  min-height:220px;padding-top:56px;padding-bottom:44px;
}
.breadcrumb{font-size:13px;color:var(--text-3);white-space:nowrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{margin:0 8px;color:var(--line);}
.breadcrumb .now{color:var(--text);}
.page-head h1{
  font-size:42px;line-height:50px;font-weight:700;letter-spacing:-.01em;
  margin-bottom:14px;
}
.page-head .lead{font-size:17px;line-height:30px;color:var(--text-2);max-width:640px;}
.head-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:var(--primary);background:var(--primary-50);
  border-radius:999px;padding:5px 12px;margin-bottom:16px;
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--pad-section) 0;}
.section--alt{background:var(--alt);}
.section--tight{padding-top:64px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.01em;
  padding-left:14px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:20px;
  background:var(--primary);border-radius:2px;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--tint);
  text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 信息条 ---------- */
.info-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.info-strip li{
  padding:26px 24px;border-right:1px solid var(--line-2);
}
.info-strip li:last-child{border-right:none;}
.info-strip .num{
  font-family:var(--mono);font-size:30px;font-weight:700;color:var(--primary);
  letter-spacing:-.02em;display:block;line-height:1;
}
.info-strip .num small{font-size:14px;font-weight:600;margin-left:3px;}
.info-strip .cap{display:block;margin-top:12px;font-size:14px;line-height:22px;color:var(--text-2);}

/* ---------- 编号清单 ---------- */
.num-list{border-top:1px solid var(--line);}
.num-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:32px;
  padding:34px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.num-item:hover{background:rgba(234,243,240,.5);}
.num-index{
  font-family:var(--mono);
  font-size:40px;line-height:1;font-weight:700;
  color:var(--primary);
  background:var(--primary-50);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  width:88px;height:64px;
  letter-spacing:-.02em;
  transition:background-color .2s ease,color .2s ease;
}
.num-item:hover .num-index{background:var(--accent);color:#1B1A17;}
.num-body h3{font-size:20px;line-height:28px;font-weight:600;margin-bottom:10px;}
.num-body p{color:var(--text-2);max-width:760px;}
.num-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.num-points li{
  font-size:13px;line-height:20px;color:var(--primary);
  background:var(--primary-50);border-radius:999px;padding:4px 12px;
}
.num-item--media{grid-template-columns:120px 1fr 300px;align-items:center;}
.num-item--media figure{margin:0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-1);}
.num-item--media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 场景横向滑区 ---------- */
.slider{
  display:grid;grid-auto-flow:column;grid-auto-columns:300px;
  gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
}
.scene-card{
  scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;
}
.scene-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.scene-card:hover::before{transform:scaleX(1);}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-card .body{padding:22px 24px 26px;}
.scene-card h3{font-size:17px;line-height:26px;font-weight:600;margin-bottom:8px;}
.scene-card p{font-size:14px;line-height:22px;color:var(--text-2);}
.scene-card .link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.scene-card .link:hover{color:var(--accent-700);}
.scene-card .link:hover .arrow{transform:translateX(4px);}
.arrow{display:inline-block;transition:transform .2s ease;}

/* ---------- 流程时间线 ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  counter-reset:step;
}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;position:relative;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step .tag{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--tint);border:1px dashed var(--line);border-radius:999px;padding:3px 10px;
  margin-bottom:14px;
}
.step h3{font-size:18px;line-height:26px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;line-height:22px;color:var(--text-2);}

/* ---------- 保障卡 ---------- */
.assure{
  display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.assure figure{margin:0;height:100%;}
.assure img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.assure .body{padding:36px 36px 36px 8px;}
.assure h3{font-size:22px;line-height:32px;font-weight:600;margin-bottom:14px;}
.assure p{color:var(--text-2);margin-bottom:16px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;line-height:26px;color:var(--text-2);padding:6px 0;
}
.check-list .dot{
  flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--primary-50);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.faq-aside h2{
  font-size:28px;line-height:36px;font-weight:700;padding-left:14px;position:relative;
}
.faq-aside h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:20px;
  background:var(--primary);border-radius:2px;
}
.faq-aside p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:26px;}
.faq-aside .link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.faq-aside .link:hover{color:var(--accent-700);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 44px 20px 16px;
  font-size:18px;line-height:28px;font-weight:600;
  transition:color .2s ease,padding-left .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"+";position:absolute;right:14px;top:20px;
  font-family:var(--mono);font-size:20px;color:var(--tint);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--accent);border-radius:2px;
}
.faq-item[open] summary{padding-left:20px;color:var(--primary);}
.faq-item[open] summary::before{transform:rotate(45deg);color:var(--accent);}
.faq-item .answer{padding:0 44px 22px 20px;font-size:15px;line-height:26px;color:var(--text-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--primary);
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
  color:#fff;
}
.cta-band .container{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding-top:38px;padding-bottom:38px;
}
.cta-band h2{font-size:22px;line-height:32px;font-weight:700;}
.cta-band p{margin-top:8px;font-size:14px;line-height:24px;color:rgba(255,255,255,.78);}
.cta-band .btn-primary{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A3730;color:rgba(255,255,255,.76);font-size:14px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-top:64px;padding-bottom:44px;
}
.site-footer .logo{color:#fff;margin-bottom:16px;}
.site-footer .logo .logo-mark{background:rgba(255,255,255,.14);}
.footer-brand p{line-height:24px;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-col--contact p{line-height:26px;color:rgba(255,255,255,.72);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:18px;padding-bottom:18px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:36px;line-height:44px;}
  .num-item--media{grid-template-columns:110px 1fr;}
  .num-item--media figure{grid-column:2;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .assure{grid-template-columns:1fr;}
  .assure .body{padding:32px;}
}
@media (max-width:1023px){
  :root{--pad-section:64px;}
  .info-strip{grid-template-columns:repeat(2,1fr);}
  .info-strip li:nth-child(2){border-right:none;}
  .info-strip li:nth-child(1),.info-strip li:nth-child(2){border-bottom:1px solid var(--line-2);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--pad-section:48px;}
  .container{padding:0 16px;}
  .nav-side{display:none;}
  .nav-wrap{grid-template-columns:1fr auto 1fr;min-height:64px;}
  .nav-wrap .logo{justify-self:center;font-size:19px;}
  .nav-side--right{justify-content:flex-end;}
  .burger{display:inline-flex;}
  .page-head .container{
    flex-direction:column-reverse;align-items:flex-start;gap:18px;
    min-height:160px;padding-top:32px;padding-bottom:28px;
  }
  .page-head h1{font-size:30px;line-height:40px;}
  .page-head .lead{font-size:15px;line-height:26px;}
  .breadcrumb{white-space:normal;}
  .num-item{grid-template-columns:1fr;gap:16px;padding:26px 0;}
  .num-index{width:64px;height:48px;font-size:26px;}
  .num-item--media{grid-template-columns:1fr;}
  .num-item--media figure{grid-column:auto;}
  .slider{grid-auto-columns:82%;}
  .timeline{grid-template-columns:1fr;}
  .assure .body{padding:26px;}
  .assure img{min-height:200px;}
  .cta-band .container{flex-direction:column;align-items:flex-start;padding-top:32px;padding-bottom:32px;}
  .cta-band .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding-top:44px;padding-bottom:32px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:479px){
  .page-head h1{font-size:28px;line-height:38px;}
  .info-strip{grid-template-columns:1fr;}
  .info-strip li{border-right:none;border-bottom:1px solid var(--line-2);}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .section-head h2,.faq-aside h2{font-size:24px;line-height:34px;}
}