/* roulang page: index */
:root{
  --brand-700:#12506E;
  --brand-900:#0B3A52;
  --brand-600:#1A6389;
  --brand-050:#EAF2F7;
  --accent-500:#E9853B;
  --accent-600:#D4762F;
  --accent-050:#FDF1E5;
  --teal-500:#2E9E8F;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --line:#E4EBF1;
  --text-900:#16242C;
  --text-600:#566975;
  --text-400:#8697A1;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,80,110,.05);
  --sh-2:0 8px 24px rgba(18,80,110,.08);
  --sh-3:0 16px 40px rgba(18,80,110,.12);
  --max: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","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-600)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.tabular{font-variant-numeric:tabular-nums}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--brand-050);color:var(--text-600);font-size:13px;line-height:1.4}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;min-height:36px;padding-top:6px;padding-bottom:6px}
.topbar-status{display:inline-flex;align-items:center;gap:8px;letter-spacing:.02em}
.dot{width:6px;height:6px;border-radius:50%;background:var(--teal-500);display:inline-block;flex:none}
.topbar-links{display:flex;align-items:center;gap:20px}
.topbar-links a{color:var(--text-600);font-size:13px}
.topbar-links a:hover{color:var(--brand-700)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .25s}
.site-header.scrolled .nav-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;white-space:nowrap}
.logo:hover{color:var(--brand-900);text-decoration:none}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:none;position:relative}
.logo-mark::after{content:"";position:absolute;right:5px;top:5px;width:5px;height:5px;border-radius:50%;background:var(--accent-500)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:8px;font-size:15px;color:var(--text-600);transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand-700);background:var(--brand-050);text-decoration:none}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.badge-new{display:inline-flex;align-items:center;font-size:12px;line-height:1.4;padding:3px 9px;border-radius:999px;background:var(--accent-050);color:#B96A22;border:1px solid #F6DFC8;white-space:nowrap;letter-spacing:.02em}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;margin-left:auto}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(11,58,82,.38);opacity:0;transition:opacity .25s}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;box-shadow:var(--sh-3);transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:18px 20px 24px}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-mask{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--text-600)}
.drawer-close:hover{background:var(--brand-050);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0;flex:1}
.drawer-nav a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-600);font-size:15.5px}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-700);text-decoration:none}
.drawer-nav a.active{color:var(--brand-700);font-weight:600;background:var(--brand-050)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s,color .2s,box-shadow .2s,transform .12s;text-align:center;white-space:nowrap}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;box-shadow:var(--sh-2);text-decoration:none}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--sh-2);text-decoration:none}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-050);text-decoration:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700)}
.text-link::after{content:"→";transition:transform .2s}
.text-link:hover{color:var(--brand-600);text-decoration:underline}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{background:var(--surface);padding:88px 0 0}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{max-width:560px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--brand-050);color:var(--brand-700);font-size:13px;font-weight:500;letter-spacing:.02em}
.hero h1{margin-top:18px;font-size:clamp(30px,3.6vw,46px);line-height:1.22;font-weight:700;color:var(--brand-900);letter-spacing:0}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:var(--text-600);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;margin-top:32px;font-size:13px;color:var(--text-600)}
.hero-metrics li{display:inline-flex;align-items:center;gap:7px;padding:0 16px}
.hero-metrics li:first-child{padding-left:0}
.hero-metrics li + li{border-left:1px solid var(--line)}
.hero-metrics .dot{background:var(--brand-600)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;box-shadow:var(--sh-2)}
.float-card{position:absolute;right:-14px;bottom:-20px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-3);padding:12px 16px;min-width:206px;max-width:250px}
.float-card .fc-top{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--brand-900)}
.float-card .fc-sub{margin-top:4px;font-size:12.5px;color:var(--text-400);line-height:1.5}
.hero-foot{margin-top:64px;padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-400);display:flex;flex-wrap:wrap;gap:8px 24px}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.alt{background:var(--bg)}
.section.white{background:var(--surface)}
.section-head{max-width:740px;margin-bottom:32px}
.eyebrow{display:inline-block;font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--brand-600);margin-bottom:10px}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--brand-900)}
.section-desc{margin-top:12px;font-size:15.5px;line-height:1.75;color:var(--text-600)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}

/* ---------- 流程条 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step{position:relative}
.step:not(:last-child)::after{content:"";position:absolute;right:-20px;top:17px;width:24px;border-top:1px dashed #C9D8E2}
.step-num{font-size:32px;font-weight:700;line-height:1;color:var(--accent-500);font-variant-numeric:tabular-nums}
.step h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--brand-900)}
.step p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--text-600);max-width:30ch}

/* ---------- 场景 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.scene + .scene{margin-top:72px}
.scene.alt .scene-media{order:-1}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:var(--sh-2)}
.scene-copy h3{margin-top:14px;font-size:22px;line-height:1.4;font-weight:600;color:var(--brand-900)}
.scene-copy > p{margin-top:10px;font-size:15px;color:var(--text-600)}
.points{margin-top:18px;display:grid;gap:10px}
.points li{position:relative;padding-left:18px;font-size:15px;line-height:1.7;color:var(--text-600)}
.points li::before{content:"";position:absolute;left:0;top:11px;width:4px;height:4px;border-radius:1px;background:var(--brand-700)}
.scene-copy .text-link{margin-top:20px}

/* ---------- 数据与评价 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--brand-050);border-radius:var(--r-card);padding:24px 20px;text-align:center}
.stat .num{font-size:32px;line-height:1.2;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums}
.stat .lbl{margin-top:6px;font-size:13px;color:var(--text-600)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2);transition:transform .22s,box-shadow .22s}
.quote:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.quote p{font-size:15px;line-height:1.8;color:var(--text-600)}
.quote .who{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-400)}
.trust-line{margin-top:28px;padding:16px 20px;background:#F1F5F8;border-radius:12px;font-size:13px;color:var(--text-400);line-height:1.7}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2);color:inherit;transition:transform .22s,box-shadow .22s,border-color .22s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--brand-050);text-decoration:none;color:inherit}
.news-tag{align-self:flex-start;font-size:12px;font-weight:500;line-height:1.5;padding:3px 10px;border-radius:999px;background:var(--brand-050);color:var(--brand-700);letter-spacing:.02em}
.news-title{margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;color:var(--brand-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-400)}
.news-more{color:var(--brand-700);font-weight:600;white-space:nowrap}
.empty-state{grid-column:1/-1;border:2px dashed var(--line);border-radius:16px;padding:44px 24px;text-align:center;background:#fff}
.empty-state p{color:var(--text-600);font-size:15px}
.empty-state .btn{margin-top:18px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s,border-color .2s}
.faq-item[open]{box-shadow:var(--sh-2);border-color:var(--brand-050)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 24px;cursor:pointer;font-size:16px;font-weight:600;line-height:1.6;color:var(--brand-900);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary::after{content:"+";flex:none;font-size:22px;font-weight:400;line-height:1;color:var(--brand-700);transition:transform .22s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-600);margin-top:-2px}

/* ---------- 底部 CTA ---------- */
.cta-block{background:var(--brand-050);border-radius:var(--r-lg);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-block h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--brand-900)}
.cta-block p{margin-top:10px;font-size:15px;color:var(--text-600);max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6F9;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-600);max-width:300px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-900);letter-spacing:.02em;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-600)}
.footer-col a:hover{color:var(--brand-700);text-decoration:underline}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-600)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-400)}

/* ---------- 底部固定转化条 ---------- */
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:var(--sh-3);transform:translateY(110%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease}
.cta-bar.show{transform:translateY(0);opacity:1;pointer-events:auto}
.cta-bar-inner{display:flex;align-items:center;gap:16px;min-height:64px;padding-top:8px;padding-bottom:8px}
.cta-bar-inner p{flex:1;font-size:14px;line-height:1.5;color:var(--text-600);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cta-close{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:19px;line-height:1;color:var(--text-400)}
.cta-close:hover{background:var(--brand-050);color:var(--brand-700)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0}
  .hero{padding-top:72px}
  .hero-grid{gap:36px}
  .scene{gap:40px}
  .cta-block{padding:36px 36px}
}
@media (max-width:991px){
  .nav-links,.nav-actions .badge-new{display:none}
  .hamburger{display:flex}
  .nav-actions{margin-left:0}
  .hero{padding-top:56px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy{max-width:none}
  .hero-figure{order:2;margin-bottom:16px}
  .float-card{right:12px;bottom:-16px}
  .steps{grid-template-columns:1fr;gap:28px}
  .step:not(:last-child)::after{right:auto;left:0;top:auto;bottom:-14px;width:0;height:0;border-top:0}
  .step:not(:last-child)::before{content:"";position:absolute;left:15px;top:44px;bottom:-24px;border-left:1px dashed #C9D8E2}
  .scene{grid-template-columns:1fr;gap:28px}
  .scene.alt .scene-media{order:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-block{padding:32px 28px}
  .topbar-links{gap:14px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding-top:44px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-metrics{margin-top:24px}
  .hero-metrics li{padding:0 12px;font-size:12.5px}
  .hero-foot{margin-top:44px;font-size:12.5px}
  .hero-cta .btn{flex:1 1 auto}
  .float-card{position:static;margin-top:16px;max-width:none;right:auto;bottom:auto;width:100%}
  .scene + .scene{margin-top:48px}
  .news-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:20px 14px}
  .stat .num{font-size:26px}
  .cta-block{padding:28px 22px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
  .cta-bar-inner{min-height:60px}
  .cta-bar-inner p{font-size:13px}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:4px;padding-top:8px;padding-bottom:8px}
}
@media (max-width:479px){
  .hero h1{font-size:27px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .cta-bar .btn{height:38px;padding:0 14px;font-size:13.5px}
  .section-title{font-size:22px}
}

/* roulang page: category1 */
:root{
  --brand-700:#12506E;
  --brand-900:#0B3A52;
  --brand-600:#1A6389;
  --brand-050:#EAF2F7;
  --accent-500:#E9853B;
  --accent-600:#D4742C;
  --teal-500:#2E9E8F;
  --warn-500:#D9822B;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --line:#E4EBF1;
  --text-900:#16242C;
  --text-600:#566975;
  --text-400:#8697A1;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh1:0 2px 6px rgba(18,80,110,.05);
  --sh2:0 8px 24px rgba(18,80,110,.08);
  --sh3:0 16px 40px rgba(18,80,110,.12);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--gutter);
}
.dot{
  width:6px;height:6px;border-radius:50%;display:inline-block;flex:0 0 auto;
}
.dot-green{background:var(--teal-500);}
.dot-teal{background:var(--teal-500);}
.dot-amber{background:var(--accent-500);}
.dot-gray{background:var(--text-400);}

/* ---------- 顶部状态条 ---------- */
.topbar{
  background:var(--brand-050);
  border-bottom:1px solid var(--line);
  font-size:13px;
  line-height:1.6;
  color:var(--text-600);
}
.topbar-inner{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:6px;
  padding-bottom:6px;
}
.status-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-weight:500;letter-spacing:.02em;color:var(--text-600);
}
.topbar-links{display:flex;align-items:center;gap:20px;}
.topbar-links a{color:var(--text-600);font-size:13px;}
.topbar-links a:hover{color:var(--brand-700);text-decoration:underline;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,height .25s ease;
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .25s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--sh2);
}
.site-header.scrolled .header-inner{height:60px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--brand-900);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-700);}
.logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--brand-700);
  color:#fff;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
  flex:0 0 auto;
}
.nav-links{
  display:flex;align-items:center;gap:26px;
  flex:1 1 auto;justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;
  color:var(--text-600);
  font-weight:500;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;background:var(--brand-700);
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-700);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.badge-new{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  background:#FDF1E6;color:var(--accent-600);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid #F6DFC8;
  white-space:nowrap;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .12s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh1);}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--sh2);}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--brand-600);color:#fff;box-shadow:var(--sh2);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:#CFE0EA;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease,opacity .2s ease;}

/* ---------- 抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(11,58,82,.38);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:120;
}
.drawer-overlay.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:308px;max-width:86vw;
  background:var(--surface);z-index:130;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.32,.72,.3,1);
  display:flex;flex-direction:column;
  box-shadow:var(--sh3);
  padding:20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:14px;font-weight:600;color:var(--text-400);letter-spacing:.04em;}
.drawer-close{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-900);font-size:20px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;padding:0;
}
.drawer-close:hover{background:var(--brand-050);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 12px;border-radius:10px;font-size:15px;color:var(--text-600);font-weight:500;
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-700);}
.drawer-nav a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;height:44px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:14px;color:var(--text-400);margin-bottom:26px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C3D1DA;}
.breadcrumb a{color:var(--text-600);}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;}
.breadcrumb li[aria-current]{color:var(--text-400);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background:
    radial-gradient(1000px 380px at 88% -10%,rgba(18,80,110,.07),transparent 70%),
    var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero-copy{max-width:600px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  color:var(--text-600);font-size:13px;font-weight:500;letter-spacing:.02em;
  box-shadow:var(--sh1);
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,3.4vw,42px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
  color:var(--brand-900);
  margin-bottom:16px;
}
.hero-sub{
  font-size:16.5px;
  color:var(--text-600);
  line-height:1.8;
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:16px;margin-top:30px;font-size:13.5px;color:var(--text-600);
}
.hero-metrics li{display:inline-flex;align-items:center;gap:16px;}
.hero-metrics li+li::before{
  content:"";display:inline-block;width:1px;height:14px;background:#CFDCE5;
}
.hero-metrics li:first-child{padding-left:0;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);
  box-shadow:var(--sh2);
  background:var(--brand-050);
}
.float-card{
  position:absolute;right:16px;bottom:-22px;
  width:min(280px,86%);
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;
  box-shadow:var(--sh3);
}
.float-card .status-line{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--teal-500);letter-spacing:.02em;
}
.float-card p{
  font-size:13px;line-height:1.65;color:var(--text-600);margin-top:6px;
}
.hero-note{
  margin-top:52px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-400);
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,2.4vw,32px);
  line-height:1.3;font-weight:700;color:var(--brand-900);
  margin-bottom:12px;
}
.section-head p{font-size:15.5px;color:var(--text-600);line-height:1.8;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);margin-bottom:12px;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px;}
.timeline::before{
  content:"";position:absolute;left:31px;top:14px;bottom:34px;
  width:0;border-left:2px dashed #CBDDE7;
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:64px 1fr;gap:26px;
  padding-bottom:40px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  width:64px;height:64px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand-700);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh1);
  z-index:1;
}
.tl-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh2);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh3);border-color:#D6E5EE;}
.tl-body h3{font-size:19px;font-weight:600;color:var(--brand-900);margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--text-600);line-height:1.8;}
.tl-tip{
  display:flex;gap:8px;align-items:flex-start;
  margin-top:14px;padding:10px 14px;
  background:var(--brand-050);border-radius:10px;
  font-size:13.5px;color:var(--brand-700);line-height:1.7;
}
.tl-tip::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--accent-500);
  margin-top:9px;flex:0 0 auto;
}

/* ---------- 排查卡 ---------- */
.checks{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh2);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh3);border-color:#D6E5EE;}
.check-tag{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--accent-600);background:#FDF1E6;border:1px solid #F6DFC8;
  border-radius:999px;padding:2px 10px;margin-bottom:14px;
}
.check-card h3{font-size:17.5px;font-weight:600;color:var(--brand-900);line-height:1.55;margin-bottom:10px;}
.check-card p{font-size:14.5px;color:var(--text-600);line-height:1.8;}
.check-order{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-400);
}
.check-order strong{color:var(--brand-700);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 图文提示区 ---------- */
.prep-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
}
.prep-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);box-shadow:var(--sh2);background:var(--brand-050);
}
.prep-list{display:flex;flex-direction:column;gap:0;}
.prep-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.prep-item:first-child{padding-top:0;}
.prep-item:last-child{border-bottom:0;padding-bottom:0;}
.prep-index{
  font-size:26px;font-weight:700;color:var(--accent-500);
  font-variant-numeric:tabular-nums;line-height:1.2;
  min-width:44px;
}
.prep-item h3{font-size:17px;font-weight:600;color:var(--brand-900);margin-bottom:6px;line-height:1.55;}
.prep-item p{font-size:14.5px;color:var(--text-600);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:14px;
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh2);}
.faq-item.open{border-color:#CFE0EA;box-shadow:var(--sh2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--brand-900);
  line-height:1.6;
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.open .faq-a{max-height:340px;}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;color:var(--text-600);line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-050);
  border:1px solid #D6E5EE;
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh1);
}
.cta-band h2{
  font-size:clamp(21px,2vw,26px);font-weight:700;color:var(--brand-900);
  line-height:1.35;margin-bottom:8px;
}
.cta-band p{font-size:15px;color:var(--text-600);line-height:1.75;max-width:640px;}
.cta-band .btn{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-600);line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--brand-900);
  letter-spacing:.04em;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;}
.footer-col a{color:var(--text-600);font-size:14px;}
.footer-col a:hover{color:var(--brand-700);text-decoration:underline;}
.footer-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--text-600);
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-400);
}

/* ---------- 底部固定条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--surface);
  border-top:1px solid var(--line);
  box-shadow:0 -10px 30px rgba(18,80,110,.10);
  transform:translateY(110%);
  opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.show{transform:translateY(0);opacity:1;}
.sticky-inner{
  min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:9px;padding-bottom:9px;
}
.sticky-text{font-size:14px;color:var(--text-600);display:flex;align-items:center;gap:10px;}
.sticky-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.sticky-close{
  width:30px;height:30px;border-radius:8px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-400);font-size:16px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;padding:0;
}
.sticky-close:hover{background:var(--brand-050);color:var(--brand-900);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .hero-grid{gap:40px;}
  .prep-grid{gap:40px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .badge-new{display:none;}
  .header-actions .btn-accent{height:38px;padding:0 16px;font-size:13.5px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy{max-width:none;}
  .hero-media{order:2;}
  .float-card{position:static;width:100%;margin-top:16px;}
  .hero-note{margin-top:34px;}
  .checks{grid-template-columns:1fr 1fr;}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .prep-media{order:2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:767px){
  :root{--gutter:20px;}
  body{font-size:16px;padding-bottom:68px;}
  .section{padding:56px 0;}
  .topbar-links{gap:14px;}
  .topbar-inner{font-size:12px;}
  .page-hero{padding:34px 0 46px;}
  .page-hero h1{font-size:28px;}
  .hero-actions .btn{flex:1 1 auto;}
  .checks{grid-template-columns:1fr;}
  .timeline::before{left:23px;}
  .tl-item{grid-template-columns:48px 1fr;gap:16px;padding-bottom:28px;}
  .tl-num{width:48px;height:48px;font-size:17px;}
  .tl-body{padding:18px 18px;}
  .prep-index{font-size:22px;min-width:38px;}
  .section-head{margin-bottom:30px;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:30px;}
  .sticky-inner{min-height:60px;gap:12px;}
  .sticky-text{font-size:13px;line-height:1.5;}
  .sticky-actions .btn{height:38px;padding:0 16px;font-size:13.5px;}
}
@media (max-width:479px){
  .logo{font-size:15px;}
  .logo-mark{width:26px;height:26px;font-size:13px;border-radius:8px;}
  .hero-actions{flex-direction:column;gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:10px;font-size:12.5px;}
  .hero-metrics li{gap:10px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a-inner{padding:0 16px 16px;}
  .sticky-text span.only-desktop{display:none;}
}

/* roulang page: article */
:root{
  --deep:#0A1C26;
  --deep-2:#102B3A;
  --brand:#0E6A8C;
  --brand-dark:#0A4F69;
  --brand-050:#EAF3F8;
  --mint:#17C39A;
  --mint-dark:#12AD88;
  --mint-soft:#E4F8F2;
  --amber:#F0A03C;
  --amber-soft:#FDF1E1;
  --bg:#F5F9FB;
  --surface:#FFFFFF;
  --line:#E3EDF2;
  --text:#12232C;
  --text-2:#556C78;
  --text-3:#8498A3;
  --sh-1:0 2px 6px rgba(11,60,85,.05);
  --sh-2:0 8px 24px rgba(11,60,85,.08);
  --sh-3:0 16px 40px rgba(11,60,85,.13);
  --r-s:10px;
  --r-m:14px;
  --r-l:20px;
  --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","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(23,195,154,.24)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 顶部状态条 */
.topbar{background:var(--deep);color:#D8E6EC;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.status-chip{display:inline-flex;align-items:center;gap:8px;letter-spacing:.02em}
.dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);display:inline-block;flex:none}
.dot-mint{background:var(--mint);box-shadow:0 0 0 3px rgba(23,195,154,.18)}
.dot-amber{background:var(--amber);box-shadow:0 0 0 3px rgba(240,160,60,.18)}
.topbar-links{display:flex;align-items:center;gap:12px}
.topbar-links a{color:#BFD5DF;transition:color .2s ease}
.topbar-links a:hover{color:#fff}
.topbar-links .sep{width:1px;height:12px;background:rgba(255,255,255,.18);display:inline-block}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(255,255,255,.98)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text);flex:none}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--deep);color:var(--mint);
  display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;
  box-shadow:inset 0 0 0 1px rgba(23,195,154,.35);
}
.logo-text{white-space:nowrap;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-050)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.badge-amber{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--amber-soft);color:#9A5B06;font-size:12px;font-weight:600;
  border:1px solid #F6DCBB;white-space:nowrap;
}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-toggle:hover{border-color:#CFE3EC;box-shadow:var(--sh-1)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-s);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-050);border-color:#CFE3EC}
.btn-mint{background:var(--mint);color:#04231B}
.btn-mint:hover{background:var(--mint-dark);box-shadow:0 10px 26px rgba(23,195,154,.3);transform:translateY(-1px)}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14px;font-weight:600;transition:gap .2s ease,color .2s ease;
}
.link-more::after{content:"→";transition:transform .2s ease}
.link-more:hover{color:var(--brand-dark)}
.link-more:hover::after{transform:translateX(3px)}

/* 抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(10,28,38,.45);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:#fff;box-shadow:var(--sh-3);display:flex;flex-direction:column;
  padding:20px;transform:translateX(102%);transition:transform .3s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:34px;height:34px;border-radius:9px;background:#F1F6F9;color:var(--text-2);font-size:20px;line-height:1;transition:background .2s ease,color .2s ease}
.drawer-close:hover{background:var(--brand-050);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:14px 0}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2);transition:background .2s ease,color .2s ease}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-050);color:var(--brand)}
.drawer-cta{margin-top:auto;width:100%}
body.no-scroll{overflow:hidden}

/* 面包屑 */
.page-wrap{padding-top:26px}
.breadcrumb{font-size:14px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li:not(:last-child)::after{content:"/";color:#C3D4DD}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--text-2);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 文章布局 */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;
  align-items:start;margin:22px 0 76px;
}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:40px 44px;box-shadow:var(--sh-1);min-width:0;
}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(28px,3vw,36px);line-height:1.35;font-weight:700;
  margin:16px 0 18px;letter-spacing:0;word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:13.5px;color:var(--text-3)}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row span + span::before{content:"·";color:#C3D4DD;margin-right:2px}
.head-divider{height:1px;background:var(--line);margin:24px 0 30px;border:0}

/* 正文排版 */
.article-body{font-size:16.5px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px;color:#1D3039}
.article-body h2{
  font-size:24px;line-height:1.45;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:30px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 18px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.85}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(14,106,140,.3);transition:border-color .2s ease,color .2s ease}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body strong{color:#0C2029;font-weight:600}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-050);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  color:var(--text-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:20px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;font-size:15px;margin:22px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;line-height:1.7}
.article-body th{background:var(--brand-050);font-weight:600;color:var(--text)}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body .note{
  display:block;padding:16px 18px;margin:22px 0;border-radius:12px;
  background:var(--brand-050);color:var(--text-2);font-size:15px;line-height:1.8;
}

/* 文末 */
.article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.foot-label{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.04em;margin-bottom:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-sm{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#F1F6F9;color:var(--text-2);font-size:13px;transition:background .2s ease,color .2s ease;
}
.tag-sm:hover{background:var(--brand-050);color:var(--brand)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav a{
  display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#fff;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE3EC;background:#FCFEFF}
.post-nav .label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.post-nav .name{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.5}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 20px;border:2px dashed var(--line);
  border-radius:16px;background:#FBFDFE;
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:14px;
  display:grid;place-items:center;background:var(--amber-soft);color:#9A5B06;
  font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* 侧栏 */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;min-width:0}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;
  color:var(--text);margin-bottom:14px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--mint);display:inline-block}
.side-list li{
  font-size:14px;color:var(--text-2);line-height:1.7;
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li strong{display:block;font-size:14px;color:var(--text);font-weight:600;margin-bottom:2px}
.related-mini a{display:block;padding:12px 0;border-bottom:1px dashed var(--line);transition:padding-left .2s ease}
.related-mini a:last-child{border-bottom:0;padding-bottom:0}
.related-mini a:hover{padding-left:4px}
.related-mini .t{display:block;font-size:14.5px;font-weight:600;color:var(--text);line-height:1.55}
.related-mini .d{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}
.side-card .btn{margin-top:16px;width:100%}

/* 相关推荐区块 */
.rec-section{padding-bottom:76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.4vw,26px);line-height:1.3;font-weight:700}
.section-head p{font-size:14.5px;color:var(--text-2);margin-top:8px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#CFE3EC}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-050)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.rec-body .tag{align-self:flex-start;height:24px;font-size:12px}
.rec-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--text)}
.rec-body p{font-size:14px;line-height:1.75;color:var(--text-2)}
.rec-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--text-3)}

/* CTA 深色面板 */
.cta-band{position:relative;background:var(--deep);color:#fff;padding:56px 0;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;
  border-radius:50%;border:1px solid rgba(23,195,154,.28);
}
.cta-band::before{
  content:"";position:absolute;right:90px;bottom:-120px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(255,255,255,.08);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1}
.cta-inner h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.74);line-height:1.8;max-width:560px}

/* 页脚 */
.site-footer{background:#F1F7FA;border-top:1px solid var(--line);padding:56px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{font-size:15px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);margin-top:14px;max-width:330px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col a{color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* 底部转化条 */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -10px 30px rgba(11,60,85,.1);
  backdrop-filter:saturate(160%) blur(8px);
}
.sticky-bar.is-visible{display:block;animation:slideUp .28s ease}
@keyframes slideUp{from{transform:translateY(100%);opacity:.4}to{transform:translateY(0);opacity:1}}
.sticky-inner{position:relative;display:flex;align-items:center;gap:16px;height:64px;padding-right:46px}
.sticky-inner p{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin-right:auto}
.sticky-close{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:8px;color:var(--text-3);font-size:18px;line-height:1;
  transition:background .2s ease,color .2s ease;
}
.sticky-close:hover{background:#F1F6F9;color:var(--text)}

@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .article-shell{grid-template-columns:1fr;gap:24px}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{height:62px;gap:12px}
  .site-header.is-scrolled .header-inner{height:56px}
  .logo{font-size:14.5px}
  .logo-mark{width:28px;height:28px;border-radius:8px;font-size:14px}
  .badge-amber{display:none}
  .article-main{padding:26px 20px;border-radius:var(--r-m)}
  .article-title{font-size:27px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-side{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding:44px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{padding-bottom:96px}
  .sticky-inner{height:60px;padding-right:42px;gap:10px}
  .sticky-inner p{font-size:12.5px;line-height:1.4}
  .sticky-inner p span.long{display:none}
  .breadcrumb .current{max-width:180px}
}
@media (max-width:520px){
  .article-title{font-size:24px}
  .article-main{padding:22px 16px}
  .rec-section{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner .btn,.empty-state .btn{width:100%}
  .topbar-links{display:none}
  .sticky-inner .btn-sm{height:36px;padding:0 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --brand-700:#12506E;
  --brand-900:#0B3A52;
  --brand-600:#1A6389;
  --brand-050:#EAF2F7;
  --accent-500:#E9853B;
  --accent-600:#D4752D;
  --teal-500:#2E9E8F;
  --warn-500:#D9822B;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --line:#E4EBF1;
  --text-900:#16242C;
  --text-600:#566975;
  --text-400:#8697A1;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(18,80,110,.05);
  --sh-2:0 8px 24px rgba(18,80,110,.08);
  --sh-3:0 16px 40px rgba(18,80,110,.12);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-card)}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--brand-050);color:var(--brand-900)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:900px}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--brand-050);font-size:13px;color:var(--text-600);line-height:36px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.status-tag{display:inline-flex;align-items:center;gap:7px;font-weight:500;color:var(--brand-700)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--teal-500);display:inline-block;flex:none}
.dot.accent{background:var(--accent-500)}
.dot.grey{background:var(--text-400)}
.topbar-links{display:flex;align-items:center;gap:20px}
.topbar-links a{color:var(--text-600);transition:color .2s}
.topbar-links a:hover{color:var(--brand-700)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .25s}
.site-header.scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;flex:none}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-600));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;
  box-shadow:var(--sh-1);
}
.nav-links{display:flex;align-items:center;gap:26px;height:100%;margin-left:auto}
.nav-link{
  position:relative;display:flex;align-items:center;height:100%;
  font-size:15px;font-weight:500;color:var(--text-600);
  transition:color .2s;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  border-radius:2px;background:transparent;transition:background .2s;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{background:var(--brand-700)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s,color .2s,box-shadow .2s,transform .12s,border-color .2s;
  white-space:nowrap;border:1px solid transparent;
}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--accent-600);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-050)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.badge-accent{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;background:#FDF1E6;color:var(--accent-600);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:9px;border:1px solid var(--line);
  background:var(--surface);padding:0;place-items:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--brand-700);border-radius:2px;margin:3px auto}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,58,82,.38);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:95;
  background:var(--surface);box-shadow:var(--sh-3);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 22px 26px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-600);font-size:18px;line-height:1}
.drawer-close:hover{background:var(--brand-050);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;padding:16px 0;flex:1}
.drawer-nav a{
  padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text-600);
  transition:background .2s,color .2s;
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-700)}
.drawer-nav a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600}
.drawer .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:14px;color:var(--text-400);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--text-600);transition:color .2s}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:#C7D4DC}
.crumbs .current{color:var(--text-600)}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background-image:linear-gradient(180deg,rgba(246,249,251,.94),rgba(246,249,251,.99)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero .inner{max-width:820px;margin:0 auto;text-align:center}
.page-hero h1{
  margin-top:22px;
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.24;font-weight:700;letter-spacing:0;color:var(--brand-900);
}
.page-hero .lead{
  margin-top:16px;font-size:17px;color:var(--text-600);
  max-width:640px;margin-left:auto;margin-right:auto;
}
.search-box{
  display:flex;gap:10px;align-items:center;
  max-width:560px;margin:32px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:8px 8px 8px 18px;box-shadow:var(--sh-2);
  transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px var(--brand-050),var(--sh-2)}
.search-box input{
  flex:1;min-width:0;height:40px;border:none;background:transparent;outline:none;
  font-size:15px;color:var(--text-900);
}
.search-box input::placeholder{color:var(--text-400)}
.search-box button{height:40px;padding:0 22px;border-radius:9px}
.quick-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}
.quick-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--text-600);transition:color .2s,border-color .2s,background .2s;
}
.quick-tag:hover{color:var(--brand-700);border-color:var(--brand-050);background:var(--brand-050)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-y) 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-600);
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);border-radius:2px}
.section-head.center .eyebrow::before{display:none}
.section-head h2{
  margin-top:12px;font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--brand-900);
}
.section-head p{margin-top:12px;color:var(--text-600);font-size:16px}

/* ---------- FAQ ---------- */
.faq-section{background:var(--bg);padding-top:72px}
.faq-group{margin-bottom:56px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:700;color:var(--brand-900);margin-bottom:18px;
}
.faq-group-title .num{
  display:grid;place-items:center;width:30px;height:30px;flex:none;
  border-radius:9px;background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s,border-color .2s;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#D4E2EA}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px 18px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.6;
  border-left:3px solid transparent;transition:border-color .2s,color .2s,background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700);background:#FBFDFE}
.faq-item[open] summary{border-left-color:var(--brand-700);color:var(--brand-900)}
.faq-sign{
  position:relative;width:22px;height:22px;flex:none;border-radius:50%;
  background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;font-size:15px;line-height:1;font-weight:600;
}
.faq-sign::before{content:"+";transition:transform .2s}
.faq-item[open] .faq-sign::before{content:"−"}
.faq-body{
  padding:0 22px 20px 27px;font-size:15px;line-height:1.85;color:var(--text-600);
  border-left:3px solid transparent;
}
.faq-item[open] .faq-body{border-left-color:var(--brand-700);padding-left:24px}
.faq-body p+p{margin-top:10px}

/* ---------- 联系卡 ---------- */
.contact-section{padding:0 0 var(--sec-y)}
.contact-card{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  background:var(--brand-050);border:1px solid #DCE9F0;border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.contact-copy{padding:44px 44px 46px}
.contact-copy h2{font-size:clamp(22px,2.4vw,28px);line-height:1.32;font-weight:700;color:var(--brand-900)}
.contact-copy .desc{margin-top:12px;color:var(--text-600);font-size:15.5px;max-width:460px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-600);font-weight:500;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);padding:11px 14px;font-size:15px;color:var(--text-900);
  outline:none;transition:border-color .2s,box-shadow .2s;resize:vertical;
}
.field input{height:44px}
.field textarea{min-height:92px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-400)}
.field input:focus,.field textarea:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(26,99,137,.12)}
.contact-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.contact-note{font-size:13px;color:var(--text-400)}
.contact-visual{position:relative;min-height:100%}
.contact-visual img{width:100%;height:100%;object-fit:cover;border-radius:0}
.contact-visual .float-card{
  position:absolute;left:22px;right:22px;bottom:22px;
  background:rgba(255,255,255,.96);border-radius:12px;box-shadow:var(--sh-3);
  padding:14px 16px;
}
.float-card .row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-600)}
.float-card .row+.row{margin-top:6px}
.float-card strong{color:var(--brand-900);font-weight:600}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 var(--sec-y)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 44px;box-shadow:var(--sh-2);
  border-top:3px solid var(--brand-700);
}
.cta-inner h2{font-size:clamp(21px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--brand-900)}
.cta-inner p{margin-top:8px;color:var(--text-600);font-size:15px;max-width:560px}
.cta-inner .btn{flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F6F9;border-top:1px solid var(--line);padding:64px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{font-size:16px;margin-bottom:14px}
.footer-brand p{color:var(--text-600);line-height:1.8;max-width:320px;font-size:14px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand-900);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-600);transition:color .2s}
.footer-col a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.footer-status{display:inline-flex;align-items:center;gap:7px;color:var(--text-600);font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-400);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-y:72px}
  .nav-links{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:992px){
  :root{--sec-y:56px}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .badge-accent{display:none}
  .header-inner{height:64px;gap:16px}
  .site-header.scrolled .header-inner{height:58px}
  .page-hero{padding:44px 0 52px}
  .contact-card{grid-template-columns:1fr}
  .contact-visual{min-height:280px;order:-1}
  .contact-copy{padding:32px 26px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 28px;gap:22px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .topbar{font-size:12px}
  .topbar-links{gap:14px}
  .topbar .container{flex-wrap:wrap;line-height:1.9;padding-top:6px;padding-bottom:6px}
  .page-hero h1{font-size:29px}
  .page-hero .lead{font-size:15.5px}
  .search-box{flex-direction:column;align-items:stretch;padding:12px}
  .search-box input{height:38px;padding:0 6px}
  .search-box button{width:100%}
  .faq-item summary{font-size:15.5px;padding:16px 16px 16px 18px;gap:12px}
  .faq-body{padding:0 16px 18px 21px;font-size:14.5px}
  .faq-item[open] .faq-body{padding-left:18px}
  .field-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-inner .btn{width:100%}
  .contact-actions .btn{width:100%}
  .contact-actions{flex-direction:column;align-items:stretch}
}
@media (max-width:480px){
  .logo-text{font-size:15px}
  .header-actions .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .page-hero h1{font-size:25px;line-height:1.3}
  .faq-group-title{font-size:18px}
  .footer-brand p{max-width:none}
}

/* roulang page: category2 */
:root{
  --brand-700:#12506E;
  --brand-900:#0B3A52;
  --brand-600:#1A6389;
  --brand-050:#EAF2F7;
  --accent-500:#E9853B;
  --accent-600:#D0731F;
  --teal-500:#2E9E8F;
  --warn-500:#D9822B;
  --gray-400:#8697A1;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --line:#E4EBF1;
  --text-900:#16242C;
  --text-600:#566975;
  --text-400:#8697A1;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 2px 6px rgba(18,80,110,.05);
  --shadow-2:0 8px 24px rgba(18,80,110,.08);
  --shadow-3:0 16px 40px rgba(18,80,110,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  transition:padding-bottom .25s ease;
}
body.has-sticky{padding-bottom:64px}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-600)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text-900)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-050);color:var(--brand-900)}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff}
.topbar{background:var(--brand-050);font-size:13px;color:var(--text-600)}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.status-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-600);white-space:nowrap}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gray-400);flex:none}
.dot-ok{background:var(--teal-500);box-shadow:0 0 0 3px rgba(46,158,143,.15)}
.dot-teal{background:var(--teal-500)}
.topbar-links{display:flex;align-items:center;gap:12px}
.topbar-links a{font-size:13px;color:var(--text-600)}
.topbar-links a:hover{color:var(--brand-700)}
.bar-sep{display:inline-block;width:1px;height:12px;background:#CBDCE6}
.navbar{background:#fff;border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}
.navbar-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .2s ease}
.site-header.is-scrolled .navbar{border-bottom-color:var(--line);box-shadow:var(--shadow-2)}
.site-header.is-scrolled .navbar-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-900);flex:none;letter-spacing:.01em}
.logo:hover{color:var(--brand-700)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-700),var(--brand-600));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 12px;font-size:15px;color:var(--text-600);border-radius:8px;white-space:nowrap;transition:color .18s ease,background-color .18s ease}
.nav-link:hover{color:var(--brand-700);background:var(--brand-050)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;margin-left:6px}
.nav-badge{font-size:12px;font-weight:500;letter-spacing:.02em;color:#A9651C;background:#FDF1E5;border:1px solid #F6D9BC;border-radius:999px;padding:3px 10px;white-space:nowrap}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;margin-left:auto;background:#fff;transition:background .18s ease,border-color .18s ease}
.menu-toggle:hover{background:var(--brand-050);border-color:#CFDDE6}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .12s ease}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-2)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:#CFDDE6}
.btn-nav{height:40px;padding:0 18px;font-size:14px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 抽屉 ============ */
.drawer-overlay{position:fixed;inset:0;background:rgba(11,58,82,.34);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:80}
.drawer-overlay.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px 20px 26px;box-shadow:var(--shadow-3);overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--text-900)}
.drawer-close{margin-left:auto;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);color:var(--text-600);font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--brand-050);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 20px}
.drawer-nav a{padding:14px 4px;font-size:16px;color:var(--text-600);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-700);font-weight:600}
.drawer-nav a:hover{color:var(--brand-700)}
.drawer .btn{margin-top:auto}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-400)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#C6D4DD}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb li:last-child{color:var(--text-400)}

/* ============ 首屏 ============ */
.page-hero{padding:26px 0 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;padding:24px 0 64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--brand-700);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-1)}
.hero-copy h1{margin-top:20px;font-size:clamp(30px,3.6vw,44px);line-height:1.22;letter-spacing:0}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--text-600);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;margin-top:32px;font-size:13px;color:var(--text-400)}
.hero-metrics li{display:flex;align-items:center;font-variant-numeric:tabular-nums}
.hero-metrics li+li::before{content:"";display:inline-block;width:1px;height:12px;background:#D3DFE7;margin:0 14px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.float-card{position:absolute;right:-12px;bottom:-22px;display:flex;gap:10px;align-items:flex-start;max-width:272px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-3);padding:14px 16px}
.float-dot{width:8px;height:8px;border-radius:50%;background:var(--teal-500);margin-top:7px;flex:none;box-shadow:0 0 0 3px rgba(46,158,143,.16)}
.float-card strong{display:block;font-size:14px;color:var(--text-900)}
.float-card p{margin-top:4px;font-size:12.5px;line-height:1.65;color:var(--text-600)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-head{max-width:740px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-600)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 警示条 ============ */
.alert-strip{padding:0 0 8px}
.alert-inner{display:flex;align-items:center;gap:18px;background:#FDF6EC;border:1px solid #F6E3C9;border-left:4px solid var(--accent-500);border-radius:12px;padding:18px 24px}
.alert-tag{flex:none;font-size:13px;font-weight:600;color:#A9651C;background:#FBE7CE;border-radius:999px;padding:4px 12px;letter-spacing:.02em}
.alert-inner p{font-size:15px;line-height:1.8;color:#6B5334}

/* ============ 细线特性网格 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.feature-item{background:#fff;padding:30px 32px;transition:background-color .2s ease}
.feature-item:hover{background:#FBFDFE}
.feature-item h3{font-size:19px;line-height:1.5}
.feature-item p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-600)}

/* ============ 自查清单 ============ */
.checklist-card{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);overflow:hidden}
.checklist-main{padding:40px}
.checklist-main h2{font-size:clamp(22px,2.3vw,28px)}
.checklist-note{margin-top:10px;font-size:15px;color:var(--text-600)}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:#FBFDFE;border:1px solid var(--line);border-radius:12px;font-size:15.5px;line-height:1.7;color:var(--text-900);transition:border-color .2s ease,background-color .2s ease}
.check-list li:hover{border-color:#CFDDE6;background:#fff}
.check-list .box{width:18px;height:18px;flex:none;margin-top:4px;border:2px solid #BFD2DD;border-radius:5px;background:#fff}
.checklist-side{padding:40px;background:var(--brand-050);border-left:1px solid var(--line)}
.checklist-side h3{font-size:17px}
.checklist-side p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--text-600)}
.side-divider{height:1px;background:#D7E6EE;margin:22px 0}

/* ============ 内容说明 ============ */
.compliance-box{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-1);padding:28px 32px}
.compliance-box h2{font-size:18px}
.compliance-box p{margin-top:12px;font-size:14px;line-height:1.9;color:var(--text-600)}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{border-color:#CFDDE6}
.faq-item[open]{border-color:#CFDDE6;box-shadow:inset 3px 0 0 var(--brand-700),var(--shadow-2)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text-900);transition:color .18s ease}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-600);outline-offset:-4px;border-radius:12px}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-600)}

/* ============ CTA ============ */
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--brand-050);border:1px solid #D9E8F0;border-radius:var(--radius-lg);padding:44px 48px}
.cta-copy h2{font-size:clamp(22px,2.3vw,28px)}
.cta-copy p{margin-top:10px;font-size:15.5px;color:var(--text-600);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:#F1F6F9;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{font-size:16px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-600);max-width:330px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-900)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-600)}
.footer-col a:hover{color:var(--brand-700)}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-600)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:20px 0 28px;font-size:13px;color:var(--text-400)}

/* ============ 底部转化条 ============ */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(18,80,110,.10);transform:translateY(110%);opacity:0;transition:transform .3s ease,opacity .3s ease;pointer-events:none}
.sticky-bar.show{transform:translateY(0);opacity:1;pointer-events:auto}
.sticky-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.sticky-inner p{font-size:14px;color:var(--text-600);line-height:1.5}
.sticky-actions{display:flex;align-items:center;gap:12px;flex:none}
.sticky-close{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-400);font-size:17px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:background-color .18s ease,color .18s ease}
.sticky-close:hover{background:var(--brand-050);color:var(--brand-700)}
.sticky-close:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:72px 0}
  .hero-grid{gap:40px}
  .site-footer{margin-top:72px}
}
@media (max-width:991px){
  .nav-links,.nav-actions{display:none}
  .menu-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero-copy h1{max-width:640px}
  .feature-grid{grid-template-columns:1fr}
  .checklist-card{grid-template-columns:1fr}
  .checklist-side{border-left:0;border-top:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding-left:20px;padding-right:20px}
  .hero-grid{padding-bottom:48px}
  .hero-copy h1{font-size:30px}
  .hero-sub{font-size:16px}
  .float-card{position:static;margin-top:16px;max-width:none;right:auto;bottom:auto}
  .alert-inner{flex-direction:column;align-items:flex-start;gap:10px;padding:16px 18px}
  .checklist-main,.checklist-side{padding:26px 22px}
  .compliance-box{padding:22px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-inner{height:60px;gap:12px}
  .sticky-inner p{font-size:13px;max-width:56%}
  .sticky-actions{gap:8px}
  .sticky-actions .btn{height:36px;padding:0 14px;font-size:13px}
  body.has-sticky{padding-bottom:60px}
}
@media (max-width:519px){
  .topbar-links{display:none}
  .topbar-inner{justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-card{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-metrics{font-size:12.5px}
  .hero-metrics li+li::before{margin:0 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}