/* roulang page: index */
:root{
  --primary:#0B7285;
  --primary-600:#075E6E;
  --primary-100:#E3F1F4;
  --accent:#FF6B35;
  --accent-600:#E4551F;
  --support:#12B886;
  --ink:#122029;
  --ink-2:#566873;
  --line:#E3EAEE;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --dark:#0A2A33;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(11,58,74,.06), 0 8px 24px rgba(11,58,74,.06);
  --shadow-hover:0 12px 32px rgba(11,58,74,.12);
  --shadow-soft:0 6px 18px rgba(255,107,53,.26);
  --container:1200px;
  --ease:cubic-bezier(.2,.6,.2,1);
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
}
*,*::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(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--white{background:var(--surface);}
.section--soft{background:var(--bg);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* Header */
.site-header{position:sticky;top:0;z-index:90;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,58,74,.08);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.02em;flex:0 0 42px;position:relative;}
.brand-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;border-radius:4px;background:var(--accent);border:2px solid #fff;}
.brand-text strong{display:block;font-size:16px;font-weight:700;line-height:1.3;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav ul a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink);}
.main-nav ul a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);}
.main-nav ul a:hover{color:var(--primary);}
.main-nav ul a:hover::after{transform:scaleX(1);}
.main-nav ul a.is-active{color:var(--primary);font-weight:600;}
.main-nav ul a.is-active::after{transform:scaleX(1);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mask{position:fixed;inset:0;background:rgba(10,42,51,.5);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:80;}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:all .25s var(--ease);white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-soft);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(228,85,31,.3);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-600);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#0d3743;color:#fff;transform:translateY(-1px);}
.btn-block{width:100%;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow i{transition:transform .25s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--surface);padding:76px 0 88px;}
.hero::after{content:"";position:absolute;right:-160px;bottom:-200px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle, rgba(11,114,133,.10) 0%, rgba(11,114,133,0) 68%);pointer-events:none;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);background:var(--primary-100);color:var(--primary-600);font-size:13px;font-weight:600;letter-spacing:.02em;}
.hero h1{margin-top:22px;font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.hero-divider{width:56px;height:3px;border-radius:2px;background:var(--primary);margin:22px 0 16px;}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-badges li{padding:6px 14px;border:1px solid var(--line);border-radius:var(--radius-pill);background:#fff;font-size:13px;color:var(--ink-2);}
.hero-media{position:relative;}
.hero-media::before{content:"";position:absolute;left:-22px;top:-22px;width:150px;height:150px;border-radius:20px;background:var(--primary-100);}
.hero-media::after{content:"";position:absolute;right:-18px;bottom:-18px;width:100px;height:100px;border-radius:16px;background:rgba(255,107,53,.12);}
.hero-media img{position:relative;z-index:1;width:100%;height:420px;object-fit:cover;border-radius:18px;box-shadow:var(--shadow-hover);}

/* Section head */
.section-head{max-width:720px;margin-bottom:48px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.kicker{display:block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary);margin-bottom:10px;}
.section-title{font-size:30px;line-height:1.35;font-weight:700;}
.section-desc{margin-top:14px;font-size:16px;color:var(--ink-2);}
.section-head--row .section-desc{margin-top:10px;}

/* Services */
.services-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;}
.service-stack{display:grid;gap:24px;}
.service-mini-stack{display:grid;gap:24px;}
.svc-large{display:flex;flex-direction:column;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);transition:transform .25s var(--ease), box-shadow .25s var(--ease);}
.svc-large:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.svc-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-100);color:var(--primary);display:grid;place-items:center;font-size:20px;}
.svc-num{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);}
.svc-large h3{font-size:20px;font-weight:600;}
.svc-large p{font-size:14px;color:var(--ink-2);}
.svc-mini{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card);transition:transform .25s var(--ease), box-shadow .25s var(--ease);}
.svc-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.svc-mini .svc-icon{width:40px;height:40px;font-size:17px;flex:0 0 40px;}
.svc-mini h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.svc-mini p{font-size:14px;color:var(--ink-2);}

/* Stats */
.stats{background:var(--dark);color:#fff;padding:64px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-num{font-size:38px;font-weight:700;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums;}
.stat-label{margin-top:8px;font-size:13px;letter-spacing:.05em;color:rgba(255,255,255,.72);}

/* Scenes */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.scene + .scene{margin-top:72px;}
.scene--reverse .scene-media{order:2;}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.scene-body h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.scene-body p{font-size:15px;color:var(--ink-2);}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.scene-tags li{padding:5px 12px;border-radius:var(--radius-pill);background:var(--primary-100);color:var(--primary-600);font-size:13px;}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;}
.timeline::before{content:"";position:absolute;top:7px;left:10px;right:10px;height:1px;background:var(--line);}
.tl-item{position:relative;}
.tl-dot{position:relative;z-index:1;display:block;width:15px;height:15px;border-radius:50%;background:#fff;border:3px solid var(--primary);margin-bottom:20px;}
.tl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);height:100%;transition:transform .25s var(--ease), box-shadow .25s var(--ease);}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.tl-card span{display:block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-bottom:8px;}
.tl-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-card p{font-size:14px;color:var(--ink-2);}

/* News / CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s var(--ease), box-shadow .25s var(--ease);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-card.is-feature{grid-column:span 2;}
.news-thumb{position:relative;display:block;overflow:hidden;}
.news-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .4s var(--ease);}
.news-card.is-feature .news-thumb img{height:280px;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;}
.badge-accent{position:absolute;left:14px;top:14px;background:var(--accent);color:#fff;}
.badge-primary{background:var(--primary-100);color:var(--primary-600);}
.badge-support{background:rgba(18,184,134,.14);color:#0B7A5A;}
.news-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1;}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card.is-feature .news-body h3{font-size:21px;}
.news-body h3 a{color:var(--ink);}
.news-card:hover .news-body h3 a{color:var(--primary);}
.news-summary{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.news-meta .link-arrow{font-size:13px;}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);text-align:center;color:var(--ink-2);}
.empty-state i{font-size:48px;color:var(--primary);opacity:.5;}
.empty-state p{font-size:15px;}

/* FAQ */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:22px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;transition:transform .28s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 56px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;}
.contact-info{background:var(--dark);color:#fff;border-radius:var(--radius-card);padding:36px;}
.contact-info h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.contact-info > p{font-size:14px;color:rgba(255,255,255,.72);}
.contact-list{margin-top:28px;display:grid;gap:18px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.86);}
.contact-list i{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#fff;font-size:14px;}
.contact-list strong{display:block;font-size:15px;color:#fff;margin-bottom:2px;}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;box-shadow:var(--shadow-card);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input[type="text"],.field input[type="tel"],.field input[type="email"],.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;font-size:15px;transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea{min-height:130px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 15px) 22px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,114,133,.12);}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:22px;}
.check-line input{margin-top:3px;width:16px;height:16px;accent-color:var(--primary);}
.form-note{font-size:13px;color:var(--ink-2);margin-top:14px;}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-mark::after{border-color:var(--dark);}
.footer-brand strong{display:block;font-size:16px;color:#fff;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.6);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.8;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#fff;}
.footer-col li{display:flex;gap:10px;font-size:14px;align-items:flex-start;}
.footer-col li i{color:rgba(255,255,255,.5);margin-top:4px;}
.footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}

/* Back to top */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-hover);opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s var(--ease);z-index:70;}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary-600);color:#fff;}

/* Responsive */
@media (max-width:1279px){
  .hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .container{padding:0 20px;}
  .nav-toggle{display:flex;}
  .main-nav{position:fixed;top:0;right:0;height:100%;width:280px;background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:92px 24px 120px;transform:translateX(105%);transition:transform .3s var(--ease);z-index:85;box-shadow:-10px 0 30px rgba(10,42,51,.18);overflow-y:auto;}
  .main-nav.is-open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav ul li{border-bottom:1px solid var(--line);}
  .main-nav ul a{display:block;padding:14px 0;font-size:16px;}
  .main-nav ul a::after{display:none;}
  .nav-cta{position:absolute;left:24px;right:24px;bottom:28px;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media img{height:340px;}
  .hero-media::before{left:-14px;top:-14px;width:110px;height:110px;}
  .services-layout{grid-template-columns:1fr;}
  .scene{grid-template-columns:1fr;gap:28px;}
  .scene--reverse .scene-media{order:0;}
  .scene + .scene{margin-top:48px;}
  .timeline{grid-template-columns:1fr 1fr;}
  .timeline::before{display:none;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .news-card.is-feature{grid-column:span 2;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:22px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 16px;}
  .stat-num{font-size:32px;}
  .timeline{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.is-feature{grid-column:span 1;}
  .news-card.is-feature .news-thumb img{height:200px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .contact-info,.contact-form{padding:26px;}
  .faq-q{padding:18px 20px;font-size:15px;}
  .faq-a p{padding:0 44px 20px 20px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text em{display:none;}
  .nav-cta{left:20px;right:20px;}
}

/* roulang page: category1 */
:root{
  --primary:#0B7285;
  --primary-600:#075E6E;
  --primary-100:#E3F1F4;
  --accent:#FF6B35;
  --accent-600:#E4551F;
  --support:#12B886;
  --ink:#122029;
  --ink-2:#566873;
  --line:#E3EAEE;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --dark:#0A2A33;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(11,58,74,.06),0 8px 24px rgba(11,58,74,.06);
  --shadow-hover:0 12px 32px rgba(11,58,74,.12);
  --ease:cubic-bezier(.2,.6,.2,1);
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-600)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);font-weight:600;
  background:var(--primary-100);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.3)}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-600);border-color:var(--primary-600)}
.btn-light{background:#fff;color:var(--primary-600)}
.btn-light:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform .25s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,58,74,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;letter-spacing:.04em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav ul{display:flex;align-items:center;gap:26px;margin:0}
.main-nav ul a{
  position:relative;display:inline-block;padding:8px 0;font-size:15px;color:var(--ink);font-weight:500;
}
.main-nav ul a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.main-nav ul a:hover{color:var(--primary)}
.main-nav ul a:hover::after{transform:scaleX(1)}
.main-nav ul a.is-active{color:var(--primary);font-weight:600}
.main-nav ul a.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:0}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{position:fixed;inset:0;background:rgba(10,42,51,.5);opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:70}
.nav-mask.is-show{opacity:1;visibility:visible}

/* ---------- hero (category1: 纯色底 + 左侧竖线) ---------- */
.hero-solid{
  background:#EAF4F6;
  border-bottom:1px solid var(--line);
  padding:88px 0 76px;
}
.hero-solid .hero-inner{max-width:820px}
.hero-title{
  font-size:40px;line-height:1.28;font-weight:700;letter-spacing:-.4px;
  border-left:6px solid var(--primary);padding-left:24px;
}
.hero-sub{margin-top:20px;padding-left:30px;font-size:17px;color:var(--ink-2);max-width:640px}
.hero-actions{margin-top:32px;padding-left:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-badges{margin-top:28px;padding-left:30px;display:flex;gap:10px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  font-size:13px;font-weight:600;padding:6px 14px;background:var(--primary-100);color:var(--primary-600);
}
.badge--accent{background:var(--accent);color:#fff}
.badge--support{background:rgba(18,184,134,.14);color:#0B7A5B}
.crumbs{font-size:13px;color:var(--ink-2);margin-bottom:22px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li::after{content:"/";margin-left:8px;color:#B9C6CE}
.crumbs li:last-child::after{content:"";margin:0}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--primary)}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.intro-copy p{font-size:16.5px;color:var(--ink-2);line-height:1.85}
.intro-copy p + p{margin-top:18px}
.intro-copy strong{color:var(--ink)}
.figure{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--line);background:var(--surface)}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--ink-2);padding:12px 18px;border-top:1px solid var(--line);background:#fff}
.kv-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ---------- numbered steps (图文交替) ---------- */
.step-row{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;margin-bottom:64px}
.step-row:last-child{margin-bottom:0}
.step-media{grid-column:span 6}
.step-body{grid-column:span 6}
.step-row:nth-child(even) .step-media{order:2}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;background:var(--primary-100);color:var(--primary-600);
  font-weight:700;font-size:16px;letter-spacing:.04em;margin-bottom:16px;
}
.step-body h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step-body p{color:var(--ink-2);font-size:15.5px}
.step-points{margin-top:18px;display:grid;gap:10px}
.step-points li{display:flex;gap:10px;font-size:15px;color:var(--ink)}
.step-points i{color:var(--support);margin-top:5px}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card)}

/* ---------- channel rows ---------- */
.channel-wrap{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-card)}
.channel-head,.channel-row{display:grid;grid-template-columns:1.1fr 1.2fr 1.3fr 1fr;gap:16px;padding:18px 24px;align-items:center}
.channel-head{background:var(--primary-100);color:var(--primary-600);font-size:14px;font-weight:700;letter-spacing:.03em}
.channel-row{border-top:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.channel-row:nth-child(odd){background:var(--bg)}
.channel-row .cell-strong{color:var(--ink);font-weight:600}
.channel-row .tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  border-radius:999px;padding:4px 10px;background:rgba(18,184,134,.14);color:#0B7A5B;justify-self:start;
}
.channel-row .tag--warn{background:rgba(255,107,53,.14);color:var(--accent-600)}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background .25s var(--ease);
}
.faq-q:hover{background:var(--bg)}
.faq-q i{color:var(--primary);font-size:15px;transition:transform .28s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 60px 24px 26px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-inner h2{font-size:30px;font-weight:700;line-height:1.35}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.78);font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);text-align:right}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1.15fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand strong{display:block;font-size:17px;color:#fff}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{color:rgba(255,255,255,.78)}
.footer-col ul a:hover{color:#fff}
.footer-col ul li{display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.footer-col ul li i{margin-top:5px;color:var(--accent)}
.footer-col p{line-height:1.85;font-size:14.5px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(11,58,74,.28);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;z-index:65;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--primary-600);color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .section-head h2{font-size:26px}
  .hero-solid{padding:64px 0 56px}
  .hero-title{font-size:32px;padding-left:20px}
  .hero-sub,.hero-actions,.hero-badges{padding-left:26px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .step-row{margin-bottom:48px}
  .step-media,.step-body{grid-column:span 12}
  .step-row:nth-child(even) .step-media{order:0}
  .channel-head{display:none}
  .channel-row{grid-template-columns:1fr;gap:8px;padding:20px}
  .channel-row .cell-strong{font-size:16px;color:var(--ink)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{
    position:fixed;top:0;right:0;height:100%;width:280px;background:#fff;z-index:80;
    flex-direction:column;align-items:stretch;gap:0;padding:88px 24px 32px;
    transform:translateX(100%);transition:transform .28s var(--ease);
    box-shadow:-12px 0 40px rgba(11,58,74,.14);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav ul li{border-bottom:1px solid var(--line)}
  .main-nav ul a{display:block;padding:16px 0;font-size:16px}
  .main-nav ul a::after{display:none}
  .main-nav ul a.is-active{color:var(--primary)}
  .nav-cta{margin-top:auto;width:100%;justify-content:center}
  .nav-toggle{display:flex}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  body{font-size:15px}
  .hero-title{font-size:28px;border-left-width:4px;padding-left:16px}
  .hero-sub,.hero-actions,.hero-badges{padding-left:20px}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:22px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a p{padding:0 18px 20px 18px}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: article */
:root{
  --primary:#0B7285;
  --primary-600:#075E6E;
  --primary-100:#E3F1F4;
  --accent:#FF6B35;
  --accent-600:#E4551F;
  --support:#12B886;
  --danger:#D64545;
  --ink:#122029;
  --ink-2:#566873;
  --line:#E3EAEE;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --dark:#0A2A33;
  --radius:14px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(11,58,74,.06),0 8px 24px rgba(11,58,74,.06);
  --shadow-hover:0 12px 32px rgba(11,58,74,.12);
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
button{font-family:inherit;font-size:inherit}
::selection{background:var(--primary-100);color:var(--primary-600)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.26)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.32)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-100);color:var(--primary-600)}
.btn-light{background:#fff;color:var(--primary-600)}
.btn-light:hover{background:#F0FAFC;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--primary);padding:0 4px;height:auto;min-height:0}
.btn-ghost::after{content:"";display:block;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.btn-ghost:hover::after{transform:scaleX(1)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.6}
.badge-primary{background:var(--primary-100);color:var(--primary-600)}
.badge-accent{background:var(--accent);color:#fff}
.badge-support{background:rgba(18,184,134,.14);color:#0B8A63}
.chip{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--primary-100);color:var(--primary-600);font-size:13px;font-weight:500}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,58,74,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;flex:0 0 42px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16.5px;font-weight:700;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.02em}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink-2);text-decoration:none}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary);font-weight:600}
.nav-cta{margin-left:24px}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:10px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-scrim{
  position:fixed;inset:0;background:rgba(10,42,51,.5);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.nav-scrim.is-visible{opacity:1;visibility:visible}

/* ---------- 文章头部 ---------- */
.art-head{background:#fff;border-bottom:1px solid var(--line);padding:36px 0 30px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B9C7CE}
.breadcrumb .cur{max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}
.art-head h1{font-size:38px;line-height:1.32;font-weight:700;letter-spacing:-.3px;max-width:940px}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{color:var(--primary);font-size:13px}

/* ---------- 正文布局 ---------- */
.art-main{padding:48px 0 64px}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}
.art-cover{margin:0 0 32px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--primary-100)}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center}
.article-content{font-size:17px;line-height:1.9;color:#20333C;max-width:820px}
.article-content>*:first-child{margin-top:0}
.article-content h2{font-size:24px;line-height:1.45;font-weight:700;color:var(--ink);margin:2.2em 0 .9em;padding-left:14px;border-left:4px solid var(--primary)}
.article-content h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.8em 0 .7em}
.article-content h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em}
.article-content p{margin:0 0 1.05em}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(11,114,133,.32)}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.5em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:.45em 0}
.article-content ul li::marker{color:var(--primary)}
.article-content ol li::marker{color:var(--primary);font-weight:600}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--primary-100);border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:1.6em auto;height:auto}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.article-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-content thead th{background:var(--primary-100);color:var(--primary-600);font-weight:600}
.article-content tbody tr:nth-child(even){background:var(--bg)}
.article-content code{background:#EDF3F6;color:#0B4A57;padding:2px 6px;border-radius:6px;font-size:.9em}
.article-content pre{background:#0F2E38;color:#DDEEF2;padding:18px 20px;border-radius:12px;overflow-x:auto;margin:1.6em 0;font-size:14.5px;line-height:1.7}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);max-width:820px;
}
.empty-state i{font-size:44px;color:var(--primary)}
.empty-state p{font-size:16px;color:var(--ink-2)}

.art-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);max-width:820px}
.art-tags-label{font-size:13px;color:var(--ink-2);margin-right:4px}
.art-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- 侧栏 ---------- */
.art-sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.6;color:var(--ink-2)}
.side-list a:hover{color:var(--primary)}
.side-list i{color:var(--accent);font-size:11px;margin-top:7px}
.side-cta{background:var(--dark);border-color:var(--dark);color:#fff}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.74);margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:26px;font-weight:700;line-height:1.4}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary)}
.more-link i{transition:transform .25s var(--ease)}
.more-link:hover i{transform:translateX(4px)}

/* ---------- 卡片 ---------- */
.related{padding:0 0 76px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-100);display:block}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb .badge{position:absolute;left:12px;top:12px}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17.5px;line-height:1.5;font-weight:600}
.post-body h3 a{color:var(--ink)}
.post-card:hover .post-body h3 a{color:var(--primary)}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--ink-2)}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.post-foot .arrow{transition:transform .25s var(--ease),color .25s var(--ease)}
.post-card:hover .post-foot .arrow{transform:translateX(4px);color:var(--primary)}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary);color:#fff;padding:60px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.4}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{display:block;color:#fff;font-size:16.5px;font-weight:700}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-col li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.68)}
.footer-col li i{color:var(--accent);font-size:13px;margin-top:5px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:32px;width:48px;height:48px;border-radius:50%;border:0;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(11,114,133,.3);cursor:pointer;z-index:50;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .25s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--primary-600)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .art-head h1{font-size:33px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;height:100%;width:280px;max-width:84vw;background:#fff;
    flex-direction:column;align-items:stretch;padding:26px 22px;z-index:60;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s var(--ease);
    box-shadow:-12px 0 40px rgba(10,42,51,.16);
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav li{border-bottom:1px solid var(--line)}
  .main-nav a{display:block;padding:14px 0;font-size:16px}
  .main-nav a::after{display:none}
  .nav-cta{margin:24px 0 0;width:100%}
  .art-head{padding:28px 0 24px}
  .art-head h1{font-size:29px}
  .art-main{padding:36px 0 52px}
  .article-content{font-size:16.5px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band h2{font-size:24px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .brand-text em{display:none}
  .art-head h1{font-size:24px;line-height:1.38}
  .art-head{padding:24px 0 20px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{font-size:20px}
  .article-content h3{font-size:17.5px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .art-foot .btn{width:100%}
  .to-top{right:16px;bottom:calc(20px + env(safe-area-inset-bottom,0px))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --primary:#0B7285;
  --primary-600:#075E6E;
  --primary-100:#E3F1F4;
  --accent:#FF6B35;
  --accent-600:#E4551F;
  --support:#12B886;
  --ink:#122029;
  --ink-2:#566873;
  --line:#E3EAEE;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --dark:#0A2A33;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(11,58,74,.06),0 8px 24px rgba(11,58,74,.06);
  --shadow-lg:0 12px 32px rgba(11,58,74,.12);
  --ease:cubic-bezier(.2,.6,.2,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-600)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
:focus:not(:focus-visible){outline:none}

/* ---------- 容器与区块 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-head h2{font-size:30px;line-height:1.3}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary);
  background:var(--primary-100);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:1px;
  background:var(--primary);
  transition:width .25s var(--ease);
}
.text-link:hover::after{width:100%}
.text-link i{font-size:12px;transition:transform .25s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  text-decoration:none;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.24)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,53,.3)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--primary-600)}
.btn-light:hover{background:#fff;color:var(--primary);transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn-outline-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-1px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(11,58,74,.08)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:78px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  flex:0 0 44px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav ul a{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;
  color:var(--ink);
  font-weight:500;
  transition:color .2s var(--ease);
}
.main-nav ul a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width .25s var(--ease);
}
.main-nav ul a:hover{color:var(--primary)}
.main-nav ul a:hover::after{width:100%}
.main-nav ul a.is-active{color:var(--primary);font-weight:600}
.main-nav ul a.is-active::after{width:100%}
.nav-cta{margin-left:2px}
.nav-cta::after{display:none}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(10,42,51,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s;
  z-index:90;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- Hero（大图叠加） ---------- */
.hero-live{
  position:relative;
  min-height:560px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-live::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(10,42,51,.86) 0%,rgba(10,42,51,.66) 48%,rgba(11,114,133,.42) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-top:88px;
  padding-bottom:88px;
  max-width:820px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:22px;
}
.hero-tag i{color:#FFD7C6}
.hero-live h1{
  font-size:40px;
  line-height:1.28;
  color:#fff;
  font-weight:700;
  text-shadow:0 2px 18px rgba(0,0,0,.18);
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:44px;
}
.hero-points li{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:12px;
  padding:12px 20px;
  display:flex;
  flex-direction:column;
  min-width:132px;
}
.hero-points strong{
  font-size:22px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-points span{font-size:13px;color:rgba(255,255,255,.78);letter-spacing:.04em}

/* ---------- 数据条 ---------- */
.stats-bar{background:var(--dark);padding:52px 0}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  text-align:center;
}
.stat-item{display:flex;flex-direction:column;gap:8px}
.stat-num{
  font-size:38px;
  font-weight:700;
  line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.stat-label{font-size:13px;letter-spacing:.05em;color:rgba(255,255,255,.74)}

/* ---------- 能力卡片（非对称网格） ---------- */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.cap-card{
  grid-column:span 2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CFE0E6}
.cap-card--wide{grid-column:span 3}
.cap-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--primary);
  background:var(--primary-100);
  border-radius:999px;
  padding:4px 12px;
  align-self:flex-start;
}
.cap-card h3{font-size:20px;font-weight:600}
.cap-card p{font-size:15px;color:var(--ink-2);line-height:1.78}
.cap-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--primary-100);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:18px;
}
.cap-media{
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--primary-100);
}
.cap-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.cap-card:hover .cap-media img{transform:scale(1.04)}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split--reverse .split-media{order:2}
.split-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  aspect-ratio:16/10;
  background:var(--primary-100);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:30px;line-height:1.32}
.split-body > p{margin-top:18px;font-size:16px;color:var(--ink-2);line-height:1.85}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 18px;
  box-shadow:0 1px 2px rgba(11,58,74,.04);
}
.check-list i{color:var(--support);font-size:16px;margin-top:3px}
.check-list strong{font-weight:600}
.check-list span{color:var(--ink-2)}

/* ---------- 对照表 ---------- */
.compare-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.compare-table{width:100%;border-collapse:collapse;margin:0}
.compare-table thead th{
  background:var(--primary-100);
  color:var(--primary-600);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:18px 24px;
  letter-spacing:.02em;
  border-bottom:1px solid #CFE0E6;
}
.compare-table tbody td{
  padding:18px 24px;
  font-size:15px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:var(--bg)}
.compare-table tbody td:first-child{font-weight:600;color:var(--ink);width:26%}
.compare-table tbody tr:first-child td{border-top:0}
.tag-ok{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  color:#0B7A57;
  background:#E4F7EF;
  border-radius:999px;
  padding:3px 10px;
  margin-right:8px;
}
.tag-note{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  color:var(--accent-600);
  background:#FFEDE5;
  border-radius:999px;
  padding:3px 10px;
  margin-right:8px;
}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-badge{
  width:34px;height:34px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:8px 28px;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  background:none;
  border:0;
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex:0 0 22px;
  border-radius:50%;
  background:var(--primary-100);
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#FFE1D5}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--accent-600)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease),padding .28s var(--ease);
  padding-right:44px;
}
.faq-a p{font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-item.is-open .faq-a{padding-bottom:22px}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);padding:76px 0}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:30px;color:#fff;line-height:1.34}
.cta-inner p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.76);max-width:620px;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--accent);color:#fff}
.footer-brand strong{display:block;font-size:16px;color:#fff}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h3{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:#fff}
.footer-col ul li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li i{color:var(--accent);margin-top:4px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.56);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:26px;
  bottom:26px;
  width:48px;height:48px;
  border-radius:50%;
  border:0;
  background:var(--primary);
  color:#fff;
  font-size:16px;
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s,background .25s var(--ease);
  z-index:70;
  box-shadow:0 10px 26px rgba(11,58,74,.24);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--primary-600)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .section{padding:80px 0}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:290px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:88px 24px 28px;
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    z-index:95;
    box-shadow:-12px 0 40px rgba(10,42,51,.18);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .main-nav ul li{border-bottom:1px solid var(--line)}
  .main-nav ul a{display:block;padding:16px 0;font-size:16px}
  .main-nav ul a::after{bottom:8px}
  .main-nav .nav-cta{
    margin-top:auto;
    width:100%;
    margin-left:0;
    padding-top:0;
  }
  .hero-live{min-height:auto}
  .hero-inner{padding-top:64px;padding-bottom:64px}
  .hero-live h1{font-size:32px}
  .section{padding:72px 0}
  .section-head h2{font-size:26px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 20px}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .cap-card,.cap-card--wide{grid-column:span 1}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split-media{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .header-inner{min-height:68px}
  .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:14px}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:11px}
  .hero-inner{padding-top:48px;padding-bottom:52px}
  .hero-live h1{font-size:27px;line-height:1.34}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:10px;margin-top:32px}
  .hero-points li{flex:1 1 calc(50% - 5px);min-width:0;padding:10px 14px}
  .hero-points strong{font-size:19px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 14px}
  .stat-num{font-size:30px}
  .cap-grid{grid-template-columns:1fr}
  .cap-card{padding:22px 18px}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:22px}
  .split-body h2{font-size:22px}
  .compare-wrap{background:transparent;border:0;box-shadow:none;border-radius:0}
  .compare-table thead{display:none}
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table td{display:block;width:100%}
  .compare-table tr{
    background:#fff !important;
    border:1px solid var(--line);
    border-radius:14px;
    padding:6px 0;
    margin-bottom:14px;
    box-shadow:var(--shadow-sm);
  }
  .compare-table tbody td{
    border-top:0;
    padding:10px 16px;
    display:flex;
    gap:10px;
    align-items:flex-start;
  }
  .compare-table tbody td:first-child{
    width:auto;
    font-size:15px;
    color:var(--primary-600);
  }
  .compare-table tbody td::before{
    content:attr(data-label);
    flex:0 0 74px;
    font-size:13px;
    font-weight:600;
    color:var(--ink-2);
  }
  .compare-table tbody td:first-child::before{display:none}
  .steps{grid-template-columns:1fr}
  .faq-card{padding:4px 18px}
  .faq-q{font-size:15px;padding:18px 0}
  .faq-a{padding-right:0}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --primary:#0B7285;
  --primary-600:#075E6E;
  --primary-100:#E3F1F4;
  --accent:#FF6B35;
  --accent-600:#E4551F;
  --support:#12B886;
  --ink:#122029;
  --ink-2:#566873;
  --line:#E3EAEE;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --dark:#0A2A33;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(11,58,74,.06),0 8px 24px rgba(11,58,74,.06);
  --shadow-2:0 12px 32px rgba(11,58,74,.12);
  --ease:cubic-bezier(.2,.6,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-600)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,58,74,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.04em;flex:0 0 42px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:24px}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav ul a{position:relative;display:block;padding:6px 0;font-size:15px;color:var(--ink-2)}
.main-nav ul a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);border-radius:2px;
}
.main-nav ul a:hover{color:var(--primary)}
.main-nav ul a:hover::after,.main-nav ul a.is-active::after{transform:scaleX(1)}
.main-nav ul a.is-active{color:var(--primary);font-weight:600}
.main-nav .nav-cta{color:#fff;min-height:44px}
.main-nav .nav-cta::after{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-mask{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.3)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-100);color:var(--primary-600);border-color:var(--primary-600)}
.btn-light{background:#fff;color:var(--primary-600);border-color:transparent}
.btn-light:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px)}
.btn-block{width:100%}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
}
.badge-primary{background:var(--primary-100);color:var(--primary-600)}
.badge-accent{background:var(--accent);color:#fff}
.badge-support{background:rgba(18,184,134,.14);color:#0B7A5B}

/* ============ 首屏 ============ */
.page-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-140px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,114,133,.09),rgba(11,114,133,0) 68%);pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;
  align-items:center;padding:76px 0 84px;min-height:540px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-copy h1{font-size:40px;line-height:1.24;letter-spacing:-.02em}
.hero-rule{width:72px;height:3px;background:var(--accent);border-radius:3px;margin:22px 0 18px}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:500px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;color:var(--ink-2)}
.hero-note i{color:var(--support)}
.hero-aside{position:relative}
.icon-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.icon-tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 12px;text-align:center;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.icon-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,114,133,.24)}
.icon-tile i{display:block;font-size:22px;color:var(--primary);margin-bottom:10px}
.icon-tile span{font-size:13px;color:var(--ink-2);font-weight:500}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}

/* ============ 图文说明 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media::before{content:"";position:absolute;left:-18px;bottom:-18px;width:132px;height:132px;border-radius:18px;background:var(--primary-100)}
.split-media img{position:relative;z-index:1;width:100%;border-radius:var(--radius);box-shadow:var(--shadow-1);object-fit:cover}
.split-media figcaption{position:relative;z-index:1;margin-top:14px;font-size:13px;color:var(--ink-2)}
.prose p{color:var(--ink-2);font-size:16px;line-height:1.9;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.prose-list{margin-top:24px;display:grid;gap:12px}
.prose-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.prose-list i{color:var(--support);margin-top:5px}

/* ============ 步骤时间轴 ============ */
.timeline{max-width:920px;margin:0 auto}
.tl-item{position:relative;display:grid;grid-template-columns:60px 1fr;gap:24px;padding-bottom:26px}
.tl-item:not(:last-child)::after{content:"";position:absolute;left:30px;top:70px;bottom:6px;width:1px;background:var(--line)}
.tl-num{
  width:60px;height:60px;border-radius:50%;background:var(--primary-100);
  border:1px solid rgba(11,114,133,.2);color:var(--primary-600);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(11,114,133,.24)}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{color:var(--ink-2);font-size:15px;line-height:1.85}
.tl-card .tl-tag{display:inline-flex;margin-top:14px}

/* ============ 图标网格 ============ */
.icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.icon-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.icon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,114,133,.24)}
.icon-card i{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--primary-100);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.icon-card:hover i{background:var(--primary);color:#fff}
.icon-card h3{font-size:17px;margin-bottom:6px}
.icon-card p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ 浅色数据条 ============ */
.stat-strip{
  background:var(--primary-100);border:1px solid rgba(11,114,133,.14);
  border-radius:var(--radius-lg);padding:40px 36px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stat-item{text-align:center}
.stat-num{
  font-size:36px;font-weight:700;color:var(--primary-600);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:10px;letter-spacing:.05em}

/* ============ FAQ ============ */
.faq-wrap{
  max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:8px 28px;box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--primary-100);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 46px 22px 0;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--dark);color:#fff;padding:80px 0}
.cta-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:560px}
.cta-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.68)}
.cta-meta span{display:inline-flex;align-items:center;gap:8px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.35}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h3{font-size:16px;color:#fff;margin-bottom:18px}
.footer-col ul li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14px}
.footer-col ul li a{color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:#fff}
.footer-col ul li i{margin-top:5px;color:var(--support);font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(11,58,74,.26);z-index:90;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s,background .25s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--primary-600)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:44px}
  .hero-copy h1{font-size:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:56px 0 64px;min-height:0}
  .hero-copy h1{font-size:32px}
  .hero-sub{font-size:16px}
  .icon-tiles{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .icon-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr);padding:32px 24px;gap:22px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head h2{font-size:26px}
  .cta-band h2{font-size:26px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:84px 24px 28px;transform:translateX(102%);
    transition:transform .3s var(--ease);box-shadow:-16px 0 40px rgba(10,42,51,.18);
    z-index:130;overflow-y:auto;
  }
  .main-nav.is-open{transform:none}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .main-nav ul li{border-bottom:1px solid var(--line)}
  .main-nav ul a{padding:15px 0;font-size:15px}
  .main-nav ul a::after{display:none}
  .main-nav .nav-cta{margin-top:auto;width:100%}
  .drawer-mask{
    display:block;position:fixed;inset:0;background:rgba(10,42,51,.5);
    opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
    z-index:125;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  body.nav-locked{overflow:hidden}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{min-height:64px}
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:14px}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:11px}
  .hero-copy h1{font-size:27px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .icon-tiles{grid-template-columns:repeat(2,1fr);gap:12px}
  .icon-grid{grid-template-columns:1fr;gap:16px}
  .stat-strip{grid-template-columns:repeat(2,1fr);padding:26px 18px;gap:20px}
  .stat-num{font-size:28px}
  .tl-item{grid-template-columns:44px 1fr;gap:16px}
  .tl-item:not(:last-child)::after{left:22px;top:54px}
  .tl-num{width:44px;height:44px;font-size:15px}
  .tl-card{padding:18px 20px}
  .faq-wrap{padding:6px 18px}
  .faq-a-inner{padding-right:8px}
  .section-head h2{font-size:22px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:22px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 24px}
  .to-top{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}