/* roulang page: index */
:root{
  --brand:#F2531F;
  --brand-dark:#D23C0C;
  --brand-light:#FFE7DC;
  --grad:linear-gradient(135deg,#F2531F,#FF8A3D);
  --ink:#0E2B27;
  --ink-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --t1:#10201D;
  --t2:#4A5A56;
  --t3:#86928E;
  --ok:#2F9E63;
  --warn:#E0A100;
  --err:#D63A2F;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(16,32,29,.06),0 16px 40px -20px rgba(16,32,29,.22);
  --shadow-2:0 2px 6px rgba(16,32,29,.08),0 26px 56px -24px rgba(16,32,29,.30);
  --wrap:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-2)}
.section-ink{background:var(--ink);color:rgba(255,255,255,.72)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 12px;letter-spacing:-.01em}
.section-head p{font-size:16px;color:var(--t2)}
.section-ink .section-head h2{color:#fff}
.section-ink .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--grad);border-radius:2px}
.section-ink .eyebrow{color:var(--lime)}
.section-ink .eyebrow::before{background:var(--lime)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(242,83,31,.85)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(210,60,12,.9)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 12px 26px -16px rgba(200,240,75,.9)}
.btn-lime:hover{background:#bce63c;color:var(--ink);transform:translateY(-2px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px}
.link-more::after{content:"→";transition:transform .18s var(--ease);display:inline-block}
.link-more:hover::after{transform:translateX(4px)}

/* 徽章 */
.badge-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--brand-light);color:var(--brand-dark);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-data{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;
}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--bg-2);color:var(--t2);font-size:12px;font-weight:600;
}
.badge-outline{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  border:1px solid var(--line);color:var(--t2);font-size:12px;font-weight:600;background:#fff;
}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(250,247,242,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.site-header::before{content:"";display:block;height:3px;background:var(--grad)}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  box-shadow:0 10px 22px -12px rgba(242,83,31,.9);
}
.logo-text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:-.01em;line-height:1.1}
.logo-text em{display:block;font-style:normal;font-size:11px;font-weight:600;color:var(--t3);letter-spacing:.14em}
.nav-toggle{position:absolute;width:0;height:0;opacity:0;pointer-events:none}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:10px;font-size:14.5px;font-weight:600;color:var(--t2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--t1);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.mega-trigger .chev{display:inline-block;transition:transform .2s var(--ease);font-size:11px;color:var(--brand)}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1)}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:660px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);padding:22px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{margin:0 0 12px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--t3)}
.mega-col li+li{margin-top:8px}
.mega-col a{display:inline-flex;font-size:14px;color:var(--t2);font-weight:500;transition:color .16s var(--ease),transform .16s var(--ease)}
.mega-col a:hover{color:var(--brand);transform:translateX(2px)}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;background:var(--bg);
  border:1px solid var(--line);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.mega-card:hover{border-color:var(--brand);box-shadow:var(--shadow-1)}
.mega-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex-shrink:0}
.mega-card strong{display:block;font-size:13.5px;color:var(--t1);font-weight:700;line-height:1.4}
.mega-card span{display:block;font-size:12px;color:var(--t3);margin-top:2px}
.nav-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;
}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--t1)}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF6F0 0%,var(--bg) 62%);
  padding:64px 0 0;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(28px,4.2vw,48px);line-height:1.2;letter-spacing:-.02em;margin:18px 0 18px}
.hero-copy h1 mark{background:linear-gradient(180deg,transparent 62%,var(--brand-light) 62%);color:inherit;padding:0 2px}
.hero-sub{font-size:clamp(16px,1.5vw,19px);color:var(--t2);line-height:1.8;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 22px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--t2);
}
.trust-chip i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2)}
.hero-media img{width:100%;height:440px;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(14,43,39,.86) 0%,rgba(18,54,47,.6) 45%,rgba(242,83,31,.62) 100%);
}
.hero-float{
  position:absolute;left:24px;right:24px;bottom:24px;z-index:2;
  background:rgba(255,255,255,.95);border-radius:var(--r-md);padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:var(--shadow-1);
}
.hero-float .float-num{font-size:34px;font-weight:800;color:var(--t1);line-height:1;font-variant-numeric:tabular-nums}
.hero-float .float-num span{font-size:16px;font-weight:700;color:var(--brand);margin-left:2px}
.hero-float .float-label{font-size:12.5px;color:var(--t3);margin-top:6px}
.hero-float .float-right{text-align:right}
.hero-float .float-right strong{display:block;font-size:20px;color:var(--brand-dark);font-weight:800;font-variant-numeric:tabular-nums}

/* 指标看板 */
.metric-band{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  margin-top:-46px;position:relative;z-index:5;padding-bottom:0;
}
.metric-main{
  grid-column:span 2;border-radius:var(--r-md);padding:24px;
  background:var(--grad);color:#fff;box-shadow:var(--shadow-2);
  border-left:4px solid rgba(255,255,255,.5);
}
.metric-main .metric-num{font-size:clamp(38px,4.6vw,54px);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;margin:14px 0 6px}
.metric-main .metric-num span{font-size:20px;font-weight:700;margin-left:2px}
.metric-main .metric-label{color:rgba(255,255,255,.86);font-size:14px}
.metric-main .metric-trend{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;background:rgba(255,255,255,.18);padding:4px 10px;border-radius:999px}
.metric-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.metric-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.metric-item .metric-num{font-size:clamp(28px,3.2vw,40px);font-weight:800;color:var(--t1);line-height:1;font-variant-numeric:tabular-nums;margin:14px 0 6px}
.metric-item .metric-num span{font-size:15px;font-weight:700;color:var(--brand);margin-left:2px}
.metric-item .metric-label{font-size:13.5px;color:var(--t3)}
.metric-item .metric-trend{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:12.5px;font-weight:700;color:var(--ok)}
.metric-item .metric-trend.down{color:var(--brand-dark)}

/* bento 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bento-lg{
  grid-column:span 2;grid-row:span 2;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:var(--ink);min-height:400px;box-shadow:var(--shadow-2);
}
.bento-lg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .3s var(--ease)}
.bento-lg:hover img{transform:scale(1.03)}
.bento-lg .bento-body{position:relative;z-index:2;padding:32px;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.bento-lg h3{color:#fff;font-size:24px;margin-bottom:12px}
.bento-lg p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.8;max-width:420px}
.bento-lg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,43,39,.15) 0%,rgba(14,43,39,.92) 78%)}
.bento-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#f6c2ab}
.bento-card h3{font-size:18px;margin:14px 0 8px}
.bento-card p{font-size:14px;color:var(--t2);line-height:1.78}
.bento-icon{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-weight:800;font-size:17px;
}
.bento-wide{
  grid-column:span 4;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:linear-gradient(120deg,#0E2B27,#12362F);border-radius:var(--r-md);padding:26px 30px;
  border:1px solid rgba(255,255,255,.12);
}
.bento-wide h3{color:#fff;font-size:19px;margin-bottom:6px}
.bento-wide p{color:rgba(255,255,255,.7);font-size:14px}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#f6c2ab}
.news-thumb{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:17.5px;line-height:1.5;font-weight:700}
.news-title a{color:var(--t1)}
.news-card:hover .news-title a{color:var(--brand)}
.news-desc{
  font-size:14px;color:var(--t2);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3)}
.news-title,.news-desc{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.news-title{-webkit-line-clamp:2}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);padding:56px 24px;
  text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand-dark);font-weight:800;
}
.empty-state p{color:var(--t2);margin-bottom:18px}

/* 对比区 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-1)}
.compare-col.is-brand{border-color:#f6c2ab;background:linear-gradient(180deg,#FFF8F4,#fff)}
.compare-col h3{font-size:18px;margin-bottom:6px}
.compare-col .col-note{font-size:13px;color:var(--t3);margin-bottom:20px}
.bar-row{display:grid;grid-template-columns:112px 1fr auto;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.bar-row:last-child{border-bottom:0}
.bar-label{font-size:13.5px;color:var(--t2);font-weight:600}
.bar{height:10px;border-radius:999px;background:#EDE8E0;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:#D8D2C8;transition:width .6s var(--ease)}
.compare-col.is-brand .bar i{background:var(--grad)}
.bar-val{font-size:14px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  border-left:3px solid transparent;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-icon{
  width:28px;height:28px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0;
}
.faq-item summary .q-chev{margin-left:auto;color:var(--brand);font-size:13px;transition:transform .2s var(--ease)}
.faq-item[open] summary .q-chev{transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px 64px;font-size:14.5px;color:var(--t2);line-height:1.85}

/* 表单/CTA */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:start}
.contact-copy h2{font-size:clamp(24px,3vw,34px);margin:14px 0 14px}
.contact-copy p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85}
.contact-points{margin-top:26px;display:grid;gap:14px}
.contact-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.8)}
.contact-points .dot{
  width:22px;height:22px;border-radius:8px;background:rgba(200,240,75,.16);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:3px;
}
.form-card{background:#fff;border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-2)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--t3);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:700;color:var(--t1)}
.field label .req{color:var(--brand);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:#FCFAF7;
  padding:12px 14px;font-size:14.5px;color:var(--t1);transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(242,83,31,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B2AE}
.form-consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--t3);margin:4px 0 20px;line-height:1.7}
.form-consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex-shrink:0}
.form-submit{width:100%}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand .footer-logo{font-size:18px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.f-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  border:1px solid rgba(255,255,255,.16);font-size:12px;color:rgba(255,255,255,.8);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1100px){
  .metric-band{grid-template-columns:repeat(3,1fr)}
  .metric-main{grid-column:span 3}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg{grid-column:span 2;grid-row:span 1;min-height:320px}
  .bento-wide{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-burger{display:flex}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;
    background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-2);
    padding:12px 20px 20px;gap:4px;max-height:78vh;overflow-y:auto;
  }
  .nav-toggle:checked ~ .main-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:44px;padding:0 12px;border-radius:12px;font-size:15px}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;bottom:6px}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;height:44px;border-radius:12px;margin-top:6px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:1px solid var(--line);margin-top:10px;grid-template-columns:1fr;padding:18px;
    display:none;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid}
  .hero{padding-top:44px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{height:320px}
  .hero-float{left:16px;right:16px;bottom:16px;padding:16px}
  .metric-band{margin-top:28px;grid-template-columns:repeat(2,1fr)}
  .metric-main{grid-column:span 2}
  .compare-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:26px}
  .bento-wide{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .container-x{padding:0 20px}
  .news-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento-lg{grid-column:span 1;min-height:280px}
  .bento-wide{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:18px 20px}
  .bar-row{grid-template-columns:1fr auto;gap:8px 12px}
  .bar-label{grid-column:span 2}
  .faq-answer{padding-left:22px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .form-row{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr}
  .metric-main{grid-column:span 1}
  .form-card{padding:22px}
  .logo-text{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#F2531F;
  --brand-dark:#D23C0C;
  --brand-light:#FFE7DC;
  --brand-grad:linear-gradient(135deg,#F2531F,#FF8A3D);
  --ink:#0E2B27;
  --ink-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --t1:#10201D;
  --t2:#4A5A56;
  --t3:#86928E;
  --ok:#2F9E63;
  --warn:#E0A100;
  --err:#D63A2F;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh:0 1px 2px rgba(16,32,29,.06),0 16px 40px -20px rgba(16,32,29,.22);
  --sh-h:0 2px 6px rgba(16,32,29,.08),0 26px 52px -22px rgba(16,32,29,.3);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;
}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);font-weight:700;line-height:1.25}
p{margin:0}
strong{color:var(--t1)}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 24px}}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-dark);
  background:var(--brand-light);border-radius:8px;padding:6px 12px;
}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 10px}
.sec-head p{color:var(--t2);font-size:15.5px}

/* 按钮 */
.btn-brand,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15.5px;
  padding:13px 26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px -14px rgba(242,83,31,.9)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(210,60,12,.85)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-dark);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-text{color:var(--brand-dark);padding:8px 0;border-radius:8px}
.btn-text .arw{transition:transform .2s var(--ease)}
.btn-text:hover .arw{transform:translateX(4px)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fffdfa;
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -26px rgba(16,32,29,.5);
}
.site-header::before{
  content:"";display:block;height:3px;background:var(--brand-grad);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px;position:relative}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(242,83,31,.9);
}
.logo-text{display:flex;flex-direction:column;font-weight:800;color:var(--t1);font-size:16px;line-height:1.2}
.logo-text em{font-style:normal;font-weight:500;font-size:11.5px;color:var(--t3);letter-spacing:.08em}
.nav-toggle{display:none}
.nav-burger{display:none}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t2);transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-light)}
.nav-link.is-active{color:var(--brand-dark)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.mega{position:relative;margin-left:8px}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:11px 18px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:700;transition:background .2s var(--ease);
}
.mega-trigger:hover{background:var(--ink-2)}
.mega-trigger .chev{transition:transform .2s var(--ease)}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:720px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-h);padding:22px;display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:14px;color:var(--t1);margin-bottom:10px}
.mega-col ul{display:grid;gap:4px}
.mega-col ul a{
  display:block;padding:6px 8px;border-radius:8px;font-size:14px;color:var(--t2);
  transition:color .16s var(--ease),transform .16s var(--ease),background .16s var(--ease);
}
.mega-col ul a:hover{color:var(--brand-dark);background:var(--brand-light);transform:translateX(2px)}
.mega-card{display:flex;gap:12px;align-items:center;padding:10px;border-radius:16px;border:1px solid var(--line);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.mega-card:hover{border-color:#F6B79C;box-shadow:var(--sh)}
.mega-card img{width:78px;height:60px;object-fit:cover;border-radius:12px;flex:0 0 auto}
.mega-card strong{display:block;font-size:14px;color:var(--t1)}
.mega-card span span{font-size:12.5px;color:var(--t3)}

/* 分类横幅 */
.cat-banner{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(14,43,39,.9),rgba(18,54,47,.78)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-banner::after{
  content:"";position:absolute;inset:auto -120px -160px auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,83,31,.5),transparent 65%);
}
.cat-banner .container-x{position:relative;z-index:2;padding-top:40px;padding-bottom:48px}
@media (min-width:768px){.cat-banner .container-x{padding-top:60px;padding-bottom:72px}}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.55}
.cat-banner h1{
  color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:800;max-width:820px;margin-bottom:16px;
}
.cat-banner h1 b{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-banner .lead{max-width:720px;font-size:16.5px;color:rgba(255,255,255,.82)}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.banner-tags span{
  border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:7px 14px;
  font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.07);
}

/* 数据徽章组 */
.stat-strip{
  position:relative;margin-top:-32px;z-index:5;
  display:grid;gap:14px;grid-template-columns:repeat(2,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh);
}
@media (min-width:900px){.stat-strip{grid-template-columns:1.4fr 1fr 1fr 1fr;padding:24px;margin-top:-40px}}
.stat{
  position:relative;padding:14px 16px 14px 20px;border-radius:16px;background:var(--bg);
  border-left:4px solid var(--brand);
}
.stat.primary{background:var(--brand-grad);border-left-color:transparent;color:#fff}
.stat.primary .stat-num,.stat.primary .stat-label{color:#fff}
.stat.primary .stat-label{color:rgba(255,255,255,.86)}
.stat-num{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:clamp(26px,3.4vw,40px);
  line-height:1.1;color:var(--t1);letter-spacing:-.02em;
}
.stat-row{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.stat-unit{font-size:13px;font-weight:700;color:var(--t3)}
.stat.primary .stat-unit{color:rgba(255,255,255,.8)}
.stat-label{display:block;font-size:13.5px;color:var(--t2);margin-top:4px}
.badge-data{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:8px;
  font-size:12px;font-weight:700;background:var(--brand-light);color:var(--brand-dark);
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-soft{background:var(--bg-2);color:var(--t2)}

/* 图文交替行 */
.alt-row{
  display:grid;gap:26px;align-items:center;
  padding:26px 0;border-top:1px solid var(--line);
}
.alt-row:first-of-type{border-top:0}
@media (min-width:900px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px;padding:36px 0}
  .alt-row.flip .alt-media{order:2}
  .alt-row.flip .alt-body{order:1}
}
.alt-media{position:relative}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh);transition:transform .22s var(--ease)}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .float-badge{
  position:absolute;left:18px;bottom:18px;background:#fff;border-radius:14px;padding:10px 14px;
  box-shadow:var(--sh);display:flex;align-items:center;gap:10px;
}
.alt-media .float-badge b{font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand-dark);font-size:18px}
.alt-media .float-badge em{font-style:normal;font-size:12.5px;color:var(--t3)}
.alt-body h3{font-size:clamp(20px,2.4vw,24px);margin-bottom:12px}
.alt-body p{font-size:15.5px;color:var(--t2)}
.mini-index{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;
  background:var(--brand-light);color:var(--brand-dark);font-weight:800;font-size:15px;margin-bottom:12px;
}
.check-list{display:grid;gap:10px;margin-top:16px}
.check-list li{display:flex;gap:10px;font-size:14.8px;color:var(--t2)}
.check-list li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;
  display:grid;place-items:center;margin-top:5px;
}

/* 深色注意区块 */
.note-panel{
  background:var(--ink);color:rgba(255,255,255,.78);
  border-radius:var(--r-lg);padding:28px;margin-top:8px;
  display:grid;gap:22px;
}
@media (min-width:900px){.note-panel{grid-template-columns:1.1fr 1fr;padding:38px;gap:44px}}
.note-panel h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.note-panel p{color:rgba(255,255,255,.76)}
.note-grid{display:grid;gap:12px}
.note-item{
  border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:14px 16px;
  background:rgba(255,255,255,.05);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.note-item:hover{border-color:rgba(200,240,75,.5);background:rgba(255,255,255,.08)}
.note-item strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.note-item span{font-size:13.8px;color:rgba(255,255,255,.7)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--sh)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;list-style:none;
  font-weight:700;color:var(--t1);font-size:15.8px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.faq-item summary .chev{margin-left:auto;color:var(--t3);transition:transform .2s var(--ease)}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand-dark)}
.faq-body{padding:0 20px 20px 60px;font-size:15px;color:var(--t2)}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(14,43,39,.93),rgba(210,60,12,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-band .inner{
  display:grid;gap:24px;align-items:center;padding:56px 0;
}
@media (min-width:900px){.cta-band .inner{grid-template-columns:1.4fr 1fr;padding:76px 0}}
.cta-band h2{color:#fff;font-size:clamp(24px,3.2vw,36px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.8);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14)}
.cta-panel{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(4px);
}
.cta-panel h4{color:#fff;font-size:16px;margin-bottom:14px}
.cta-panel ul{display:grid;gap:10px}
.cta-panel li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-panel li::before{content:"•";color:var(--lime);font-weight:800}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.footer-grid{
  display:grid;gap:32px;padding:56px 20px 40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;padding:72px 24px 48px;gap:28px}}
.footer-logo{
  font-size:18px;font-weight:800;color:#fff;margin-bottom:12px;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.72);max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.f-badge{
  font-size:12.5px;padding:5px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.8);background:rgba(255,255,255,.05);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 20px 26px;font-size:13.5px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){.footer-bottom{padding:20px 24px 28px}}

/* 移动端导航 */
@media (max-width:1024px){
  .nav-burger{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;margin-left:auto;border-radius:12px;
    border:1px solid var(--line);background:var(--bg);align-items:center;
  }
  .nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--t1)}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh);padding:12px 16px 20px;max-height:78vh;overflow-y:auto;
  }
  .nav-toggle:checked ~ .main-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 12px;font-size:15.5px;min-height:44px;display:flex;align-items:center}
  .nav-link.is-active{background:var(--brand-light)}
  .nav-link.is-active::after{left:12px;right:auto;width:22px}
  .mega{margin:8px 0 0}
  .mega-trigger{width:100%;justify-content:space-between;border-radius:14px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;box-shadow:none;border-radius:16px;margin-top:10px;padding:16px;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;padding:16px}
  .alt-media .float-badge{left:12px;bottom:12px;padding:8px 12px}
  .faq-body{padding-left:20px}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --brand:#F2531F;
  --brand-dark:#D23C0C;
  --brand-soft:#FFE7DC;
  --ink:#0E2B27;
  --ink-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --text:#10201D;
  --body:#4A5A56;
  --muted:#86928E;
  --success:#2F9E63;
  --warn:#E0A100;
  --danger:#D63A2F;
  --radius-xl:24px;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(16,32,29,.06),0 16px 40px -20px rgba(16,32,29,.22);
  --shadow-hi:0 2px 6px rgba(16,32,29,.08),0 28px 60px -26px rgba(16,32,29,.32);
  --grad:linear-gradient(135deg,#F2531F,#FF8A3D);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.3}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}
@media (min-width:1024px){
  .container-x{padding:0 24px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";display:block;height:3px;background:var(--grad);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:70px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:14px;background:var(--grad);
  color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px -10px rgba(242,83,31,.85);
}
.logo-text{
  display:flex;flex-direction:column;font-size:17px;font-weight:800;color:var(--ink);
  line-height:1.2;letter-spacing:.2px;
}
.logo-text em{
  font-style:normal;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:0;
}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text);position:relative;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-toggle{display:none}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease)}
.nav-burger:hover{border-color:var(--brand);}
.nav-burger:hover span{background:var(--brand)}

/* Mega */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:15px;font-weight:600;color:var(--text);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.mega-trigger .chev{font-size:12px;transition:transform .2s var(--ease);color:var(--brand)}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:720px;
  display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:24px;
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-hi);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:13px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:12px;font-weight:700}
.mega-col ul li{margin-bottom:6px}
.mega-col ul li a{
  display:block;font-size:15px;color:var(--text);padding:6px 8px;border-radius:10px;
  transition:color .16s var(--ease),background .16s var(--ease),transform .16s var(--ease);
}
.mega-col ul li a:hover{color:var(--brand);background:var(--brand-soft);transform:translateX(2px)}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:16px;
  border:1px solid var(--line);background:var(--bg);transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mega-card img{width:66px;height:66px;border-radius:12px;object-fit:cover;flex-shrink:0}
.mega-card strong{display:block;font-size:15px;color:var(--text);margin-bottom:2px}
.mega-card span span{font-size:13px;color:var(--muted)}
.mega-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 14px 30px -14px rgba(242,83,31,.9)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 20px 36px -14px rgba(210,60,12,.9)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost:active{background:#FFD9C7}
.btn-line{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);font-size:15px}
.btn-line .arw{transition:transform .2s var(--ease)}
.btn-line:hover .arw{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.badge-data{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:700;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge-lime{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:700;
  background:var(--lime);color:var(--ink);
}
.badge-outline{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:600;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86);
}

/* ---------- 文章头部 ---------- */
.article-top{
  position:relative;
  padding:26px 0 54px;
  background-image:linear-gradient(180deg,rgba(14,43,39,.9),rgba(18,54,47,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.86);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span{opacity:.5}
.breadcrumb em{font-style:normal;color:rgba(255,255,255,.68);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-top-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:center}
.article-head h1{
  color:#fff;font-size:clamp(26px,3.4vw,42px);line-height:1.24;font-weight:700;
  margin:16px 0 18px;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.article-cover{
  border-radius:var(--radius-xl);overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.article-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.article-cover:hover img{transform:scale(1.03)}

/* ---------- 正文 ---------- */
.article-section{padding:56px 0 72px}
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:44px 48px;box-shadow:var(--shadow);
}
.article-body{max-width:74ch;margin:0 auto;font-size:16px;line-height:1.85;color:var(--body)}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:var(--text);
  margin:42px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;color:var(--text);margin:30px 0 12px;font-weight:700}
.article-body h4{font-size:17px;color:var(--text);margin:24px 0 10px}
.article-body strong{color:var(--text)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body ul li{list-style:disc;margin:8px 0}
.article-body ol li{list-style:decimal;margin:8px 0}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:#FFF3EC;
  border-left:3px solid var(--brand);border-radius:0 16px 16px 0;color:#5C3A2C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:26px auto;box-shadow:var(--shadow)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body thead th{background:var(--bg-2);color:var(--text);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FBF8F3}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}
.article-empty{
  text-align:center;padding:56px 20px;background:var(--bg-2);
  border-radius:var(--radius);border:1px dashed var(--line);
}
.article-empty .ico{
  width:56px;height:56px;border-radius:18px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
  margin:0 auto 18px;
}
.article-empty h3{font-size:20px;margin-bottom:8px}
.article-empty p{color:var(--muted);margin-bottom:22px;font-size:15px}
.article-foot{
  max-width:74ch;margin:38px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-foot .tip{font-size:14px;color:var(--muted)}

/* ---------- 相关推荐 ---------- */
.section{padding:56px 0}
.section-head{max-width:640px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:10px}
.section-head p{font-size:15px;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-l{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.card-l:hover{box-shadow:var(--shadow-hi);border-color:#F7C7B0;transform:translateY(-3px)}
.card-l .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.card-l .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease)}
.card-l:hover .thumb img{transform:scale(1.04)}
.card-l .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-l h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s var(--ease)}
.card-l:hover h3{color:var(--brand)}
.card-l .desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-l .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  background-image:linear-gradient(135deg,rgba(14,43,39,.92),rgba(242,83,31,.75)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:48px;display:grid;grid-template-columns:1.4fr .8fr;gap:32px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta-actions .btn-brand{background:#fff;color:var(--brand-dark);box-shadow:0 16px 34px -16px rgba(0,0,0,.6)}
.cta-actions .btn-brand:hover{background:var(--brand-soft)}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:34ch;color:rgba(255,255,255,.66)}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.f-badge{
  display:inline-flex;padding:5px 12px;border-radius:8px;font-size:12px;font-weight:600;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.8);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-col ul li a:hover{color:var(--lime);padding-left:2px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:48px;padding:20px 20px 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;
  color:rgba(255,255,255,.56);
}
@media (min-width:1024px){
  .footer-bottom{padding-left:24px;padding-right:24px}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-top-grid{grid-template-columns:1fr;gap:26px}
  .article-cover{max-width:540px}
  .article-head h1{max-width:100%}
}
@media (max-width:1024px){
  .nav-burger{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    display:none;flex-direction:column;align-items:stretch;
    padding:10px 20px 24px;max-height:calc(100vh - 76px);overflow-y:auto;
  }
  #navToggle:checked ~ .main-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{padding:14px 6px;min-height:44px;border-radius:10px;border-bottom:1px solid var(--line)}
  .nav-link::after{left:6px;right:auto;width:26px;bottom:8px}
  .nav-link:hover{background:transparent}
  .mega{width:100%;margin-top:10px}
  .mega-trigger{width:100%;justify-content:space-between;padding:13px 14px}
  .mega-panel{
    position:static;width:100%;padding:16px;box-shadow:none;border-radius:16px;
    display:none;grid-template-columns:1fr;gap:18px;margin-top:10px;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid;opacity:1;visibility:visible;transform:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .article-section{padding:36px 0 56px}
  .article-shell{padding:26px 20px;border-radius:var(--radius)}
  .article-top{padding:20px 0 40px}
  .article-head h1{margin:14px 0 14px}
  .article-body{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;border-radius:var(--radius)}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-text em{font-size:11px}
  .logo-mark{width:36px;height:36px;border-radius:12px;font-size:18px}
  .article-shell{padding:22px 16px}
  .breadcrumb em{max-width:220px}
  .article-body h2{font-size:21px;margin-top:32px}
  .btn-brand,.btn-ghost{width:100%;padding:13px 20px}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --brand:#F2531F;
  --brand-dark:#D23C0C;
  --brand-light:#FFE7DC;
  --deep:#0E2B27;
  --deep-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --text:#10201D;
  --muted:#4A5A56;
  --faint:#86928E;
  --ok:#2F9E63;
  --warn:#E0A100;
  --err:#D63A2F;
  --grad:linear-gradient(135deg,#F2531F,#FF8A3D);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(16,32,29,.06),0 16px 40px -20px rgba(16,32,29,.22);
  --shadow-hover:0 2px 4px rgba(16,32,29,.08),0 24px 52px -22px rgba(16,32,29,.3);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--text);line-height:1.25;font-weight:700}
h1{font-size:clamp(28px,4.2vw,48px);line-height:1.2}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(19px,2vw,22px);font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::before{content:"";display:block;height:3px;background:var(--grad)}
.nav-wrap{position:relative;display:flex;align-items:center;gap:26px;min-height:74px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:20px;font-weight:800;
  box-shadow:0 10px 22px -12px rgba(242,83,31,.85);
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:var(--text);line-height:1.15}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--faint);letter-spacing:.06em}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:block;padding:10px 13px;border-radius:999px;
  font-size:15px;color:var(--muted);transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;
  cursor:pointer;transition:border-color .18s,color .18s,box-shadow .18s;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow)}
.chev{font-size:11px;transition:transform .18s ease-out}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:730px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-hover);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:13px;letter-spacing:.08em;color:var(--faint);font-weight:700;margin-bottom:12px}
.mega-col ul{display:grid;gap:4px}
.mega-col ul a{
  display:block;padding:7px 9px;border-radius:10px;font-size:14.5px;color:var(--muted);
  transition:color .18s,background .18s,transform .18s;
}
.mega-col ul a:hover{color:var(--brand);background:var(--brand-light);transform:translateX(2px)}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);
  border-radius:16px;background:var(--bg);transition:border-color .18s,box-shadow .18s;
}
.mega-card:hover{border-color:#F7C3AE;box-shadow:var(--shadow)}
.mega-card img{width:62px;height:62px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.mega-card strong{display:block;font-size:14.5px;color:var(--text);margin-bottom:2px}
.mega-card span span{font-size:12.5px;color:var(--faint)}
.nav-toggle{display:none}
.nav-burger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:background .18s}
.nav-burger:hover{border-color:var(--brand)}
.nav-burger:hover span{background:var(--brand)}

/* ---------- Buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 27px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(242,83,31,.9)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(242,83,31,.95)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#FFF3EC;transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14.5px}
.btn-text .arw{transition:transform .18s ease-out}
.btn-text:hover .arw{transform:translateX(4px)}
.badge-data{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:8px;
  font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.badge-soft{background:var(--brand-light);color:var(--brand-dark)}
.badge-lime{background:var(--lime);color:#0E2B27}
.badge-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.2)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;color:#fff;padding:70px 0 86px;
  background-image:
    linear-gradient(118deg,rgba(14,43,39,.97) 0%,rgba(14,43,39,.88) 45%,rgba(18,54,47,.78) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cat-hero h1{color:#fff}
.crumb{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--lime)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-lead{
  max-width:590px;margin:20px 0 30px;font-size:16.5px;line-height:1.9;
  color:rgba(255,255,255,.8);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 34px 64px -34px rgba(0,0,0,.85);
}
.hero-float{
  position:absolute;left:-14px;bottom:-20px;display:flex;align-items:center;gap:14px;
  background:#fff;border-radius:18px;padding:15px 20px;box-shadow:var(--shadow-hover);
}
.hero-float .v{font-size:26px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1}
.hero-float .t{font-size:12.5px;color:var(--faint);line-height:1.5}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-2)}
.sec-head{max-width:780px;margin-bottom:42px}
.sec-head h2{letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:15px;color:var(--faint)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}

/* ---------- Metric grid ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s;
}
.metric-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.metric-card .metric-value{font-size:clamp(32px,3.6vw,50px);font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.1}
.metric-card .metric-label{margin-top:8px;font-size:15px;color:var(--text);font-weight:600}
.metric-card .metric-sub{margin-top:10px;font-size:12.5px;color:var(--faint);line-height:1.6}
.metric-card .metric-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.metric-card.is-primary{
  grid-column:span 2;background:var(--grad);border-color:transparent;
  box-shadow:0 26px 54px -26px rgba(242,83,31,.9);
}
.metric-card.is-primary::before{display:none}
.metric-card.is-primary .metric-value,.metric-card.is-primary .metric-label{color:#fff}
.metric-card.is-primary .metric-sub{color:rgba(255,255,255,.82)}
.metric-card.is-primary:hover{transform:translateY(-3px);box-shadow:0 32px 64px -26px rgba(242,83,31,.95)}

/* ---------- Split / checklist ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:0 1px 2px rgba(16,32,29,.04);
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.check-item:hover{border-color:#F7C3AE;box-shadow:var(--shadow);transform:translateY(-2px)}
.check-dot{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;background:var(--brand-light);
  color:var(--brand-dark);display:grid;place-items:center;font-size:14px;font-weight:800;
}
.check-item h4{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.72}
.figure-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--line)}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .22s ease-out}
.figure-card:hover img{transform:scale(1.03)}
.figure-badges{position:absolute;left:18px;bottom:18px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Table ---------- */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;min-width:680px}
.data-table th{
  background:var(--bg-2);text-align:left;padding:15px 20px;font-size:13px;
  font-weight:700;letter-spacing:.05em;color:var(--muted);white-space:nowrap;
}
.data-table td{padding:16px 20px;border-top:1px solid var(--line);font-size:14.5px;vertical-align:top}
.data-table td:first-child{font-weight:600;color:var(--text);white-space:nowrap}
.data-table tbody tr:nth-child(even){background:#FCFAF7}
.data-table tbody tr:hover{background:var(--brand-light)}
.table-note{margin-top:14px;font-size:13px;color:var(--faint)}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F7C3AE}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:22px 24px 26px}
.scene-body h3{margin-bottom:10px;font-size:19px}
.scene-body p{font-size:14.5px;line-height:1.75}
.scene-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--shadow)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:20px 22px;cursor:pointer;
  list-style:none;font-size:16px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--brand-light);
  color:var(--brand-dark);display:grid;place-items:center;font-size:13px;font-weight:800;
}
.faq-chev{margin-left:auto;color:var(--faint);font-size:12px;transition:transform .2s ease-out,color .2s}
.faq-item[open] .faq-chev{transform:rotate(180deg);color:var(--brand)}
.faq-a{padding:0 22px 22px 64px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{
  display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
  background:var(--grad);border-radius:var(--r-lg);padding:48px 52px;color:#fff;
  box-shadow:0 30px 70px -34px rgba(242,83,31,.95);
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:560px}
.cta-side{display:grid;gap:12px}
.cta-side .line{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  border-radius:14px;padding:12px 16px;
}
.cta-side .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.85;max-width:340px}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.f-badge{
  font-size:12px;padding:5px 11px;border-radius:8px;color:var(--lime);
  border:1px solid rgba(200,240,75,.35);background:rgba(200,240,75,.1);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .18s,transform .18s;display:inline-block}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;padding-bottom:26px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-burger{display:flex}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;margin-left:0;
    flex-direction:column;align-items:stretch;gap:14px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-hover);
    padding:14px 20px 22px;display:none;
  }
  .nav-toggle:checked ~ .main-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{min-height:44px;display:flex;align-items:center;padding:12px 14px;border-radius:12px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--brand-light);color:var(--brand-dark)}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;border-radius:12px;min-height:44px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:1px dashed var(--line);border-radius:14px;
    grid-template-columns:1fr;gap:18px;padding:16px;margin-top:10px;
  }
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric-card.is-primary{grid-column:span 2}
  .split,.hero-grid{grid-template-columns:1fr;gap:36px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .cat-hero{padding:52px 0 68px}
  .container-x{padding:0 20px}
  .scene-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .hero-float{position:static;margin-top:16px}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .metric-card.is-primary{grid-column:span 1}
  .logo-text{font-size:15.5px}
  .logo-text em{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --brand:#F2531F;
  --brand-deep:#D23C0C;
  --brand-soft:#FFE7DC;
  --brand-grad:linear-gradient(135deg,#F2531F,#FF8A3D);
  --ink-dark:#0E2B27;
  --ink-dark-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --t1:#10201D;
  --t2:#4A5A56;
  --t3:#86928E;
  --ok:#2F9E63;
  --warn:#E0A100;
  --err:#D63A2F;
  --neutral-bar:#D8D2C8;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,32,29,.06), 0 16px 40px -20px rgba(16,32,29,.22);
  --shadow-up:0 2px 6px rgba(16,32,29,.08), 0 24px 54px -22px rgba(16,32,29,.3);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),transform var(--ease),border-color var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand-grad)}
.section-head h2{font-size:34px;margin-bottom:12px}
.section-head p{color:var(--t2);font-size:16px;max-width:640px}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.01em}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header::before{content:"";display:block;height:3px;background:var(--brand-grad)}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--t1)}
.logo-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:19px;box-shadow:0 10px 22px -12px rgba(242,83,31,.9)}
.logo-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.25;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--t3);letter-spacing:.06em}
.nav-toggle{display:none}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--t1)}
.main-nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--t1)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:3px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.mega{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:var(--t1);transition:border-color var(--ease),box-shadow var(--ease),color var(--ease)}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow)}
.chev{display:inline-block;transition:transform var(--ease);font-size:11px}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:700px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;padding:26px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-up);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity 160ms ease-out,transform 160ms ease-out,visibility 160ms}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:13px;letter-spacing:.08em;color:var(--t3);margin-bottom:12px;text-transform:uppercase}
.mega-col ul li a{display:block;padding:6px 0;font-size:14.5px;color:var(--t2);font-weight:600}
.mega-col ul li a:hover{color:var(--brand);transform:translateX(2px)}
.mega-card{display:flex;gap:12px;padding:12px;border-radius:16px;background:var(--bg-2);border:1px solid var(--line)}
.mega-card img{width:66px;height:66px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.mega-card strong{display:block;font-size:14.5px;color:var(--t1);margin-bottom:4px}
.mega-card span span{font-size:13px;color:var(--t3);line-height:1.6}
.mega-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;font-weight:700;white-space:nowrap;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:0 14px 30px -16px rgba(242,83,31,.95)}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 20px 38px -16px rgba(210,60,12,.9)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--t1)}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand)}
.link-arrow i{font-style:normal;transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;font-size:12.5px;font-weight:700;line-height:1.6}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep)}
.badge-lime{background:var(--lime);color:var(--ink-dark)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--t2)}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.18)}

/* 分类头图 */
.page-hero{position:relative;overflow:hidden;background:var(--ink-dark)}
.page-hero .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.32}
.page-hero .veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,43,39,.96) 0%,rgba(14,43,39,.86) 46%,rgba(242,83,31,.42) 100%)}
.page-hero .inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:78px 0 84px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--lime)}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,46px);line-height:1.2;margin-bottom:18px}
.page-hero h1 span{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .lead{color:rgba(255,255,255,.82);font-size:17px;max-width:600px;margin-bottom:16px}
.page-hero .sub{color:rgba(255,255,255,.6);font-size:14.5px;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure .cap{position:absolute;left:16px;bottom:16px;right:16px;padding:12px 14px;border-radius:14px;background:rgba(14,43,39,.78);backdrop-filter:blur(6px);color:rgba(255,255,255,.86);font-size:13px;line-height:1.6;border:1px solid rgba(255,255,255,.14)}
.hero-float{position:absolute;top:16px;left:16px;display:flex;flex-direction:column;gap:6px;padding:12px 16px;border-radius:16px;background:rgba(255,255,255,.96);box-shadow:var(--shadow)}
.hero-float .k{font-size:12.5px;color:var(--t3);font-weight:600}
.hero-float .v{font-size:26px;color:var(--ink-dark)}

/* 数据徽章组 */
.badge-band{margin-top:-34px;position:relative;z-index:5}
.badge-band .card-l{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 28px;background:#fff}
.badge-item{display:flex;align-items:flex-start;gap:12px;padding:8px 0}
.badge-item .dot{width:10px;height:10px;border-radius:50%;margin-top:9px;flex:0 0 auto;background:var(--brand-grad)}
.badge-item .k{font-size:13px;color:var(--t3);font-weight:600;margin-bottom:2px}
.badge-item .v{font-size:24px;color:var(--t1);line-height:1.25}
.badge-item .v small{font-size:13px;font-weight:600;color:var(--t3);margin-left:4px}

/* 卡片 */
.card-l{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.card-l:hover{box-shadow:var(--shadow-up);border-color:#F3CBB9}

/* 对比双栏 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-col{padding:30px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.compare-col.is-main{border-color:#F3CBB9;background:linear-gradient(180deg,#FFF8F4 0%,#fff 60%)}
.compare-col header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.compare-col h3{font-size:22px}
.compare-col .note{font-size:14px;color:var(--t2);margin-bottom:22px}
.bar-row{margin-bottom:20px}
.bar-row .top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.bar-row .name{font-size:14.5px;font-weight:700;color:var(--t1)}
.bar-track{height:12px;border-radius:var(--r-pill);background:#EFEAE2;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--brand-grad);transition:width 600ms ease-out}
.bar-fill.is-neutral{background:var(--neutral-bar)}
.bar-fill.is-lime{background:linear-gradient(135deg,#C8F04B,#A8D62F)}
.compare-foot{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.compare-foot span{font-size:13.5px;color:var(--t3)}

/* 参数表 */
.table-shell{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.param{width:100%;min-width:820px;border-collapse:collapse;font-size:14.5px}
table.param thead th{background:var(--ink-dark);color:#fff;font-weight:700;font-size:13.5px;text-align:left;padding:16px 20px;white-space:nowrap;letter-spacing:.02em}
table.param tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--t2);vertical-align:top}
table.param tbody tr:nth-child(even){background:#FBF9F6}
table.param tbody tr:hover{background:var(--brand-soft)}
table.param tbody tr:last-child td{border-bottom:0}
table.param td strong{color:var(--t1);font-weight:700}
.table-note{padding:16px 20px;font-size:13.5px;color:var(--t3);border-top:1px solid var(--line);background:#FCFAF7}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{padding:28px 26px;border-radius:var(--r-md)}
.scene-card .idx{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);font-weight:800;margin-bottom:16px}
.scene-card h3{font-size:20px;margin-bottom:10px}
.scene-card p{font-size:14.5px}
.scene-card ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.scene-card ul li{display:flex;gap:10px;font-size:14px;color:var(--t2)}
.scene-card ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 auto}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.flow-item{position:relative;padding:26px 24px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.flow-item .no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--ink-dark);color:var(--lime);font-weight:800;font-size:15px;margin-bottom:14px}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--t2)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 22px;box-shadow:var(--shadow);transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--shadow-up)}
.faq-item summary{display:flex;align-items:center;gap:14px;padding:20px 0;cursor:pointer;list-style:none;font-size:16.5px;font-weight:700;color:var(--t1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qi{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:800;flex:0 0 auto}
.faq-item summary .arrow{margin-left:auto;color:var(--t3);transition:transform var(--ease)}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--brand)}
.faq-item .ans{padding:0 0 22px 42px;font-size:14.8px;color:var(--t2)}

/* CTA + 表单 */
.cta-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:start}
.cta-copy h2{font-size:34px;margin-bottom:14px}
.cta-copy p{font-size:16px;margin-bottom:22px;max-width:520px}
.cta-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.cta-list li .ck{display:grid;place-items:center;width:22px;height:22px;border-radius:8px;background:var(--lime);color:var(--ink-dark);font-size:12px;font-weight:800;flex:0 0 auto;margin-top:5px}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px}
.form-card{padding:30px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-up)}
.form-card h3{font-size:21px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--t3);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--t1)}
.field label .req{color:var(--brand);margin-left:4px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:#FCFAF7;font-size:15px;color:var(--t1);transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(242,83,31,.16)}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.form-consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t3);margin:6px 0 20px}
.form-consent input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand)}
.form-card .btn{width:100%}

/* 页脚 */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.72);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:68px 24px 44px}
.footer-brand .footer-logo{color:#fff;font-size:19px;font-weight:800;margin-bottom:14px}
.footer-brand p{font-size:14.5px;max-width:360px;margin-bottom:18px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.f-badge{padding:4px 10px;border-radius:8px;font-size:12.5px;font-weight:700;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.8)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14.5px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 24px 28px;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px;color:rgba(255,255,255,.6)}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

@media (max-width:1080px){
  .mega-panel{width:600px;grid-template-columns:1fr 1fr;gap:18px}
  .mega-col:last-child{grid-column:1 / -1}
  .page-hero .inner{grid-template-columns:1fr;gap:34px}
  .hero-figure{max-width:620px}
  .compare-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .nav-wrap{min-height:64px;gap:16px}
  .nav-burger{display:flex;margin-left:auto}
  .main-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-up);padding:14px 20px 22px}
  .nav-toggle:checked ~ .main-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:44px;padding:0 8px;font-size:15.5px}
  .nav-link::after{left:8px;right:auto;width:26px;bottom:8px}
  .mega{width:100%;margin-top:8px}
  .mega-trigger{width:100%;justify-content:space-between;height:44px}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;border-radius:16px;padding:18px;margin-top:10px;grid-template-columns:1fr}
  .mega:hover .mega-panel{display:none}
  .mega:focus-within .mega-panel{display:grid}
  .mega-col:last-child{grid-column:auto}
  .section{padding:60px 0}
  .badge-band{margin-top:-24px}
  .badge-band .card-l{grid-template-columns:1fr 1fr;gap:16px;padding:20px}
}
@media (max-width:768px){
  .container-x{padding:0 20px}
  .section-head h2{font-size:26px}
  .cta-wrap{grid-template-columns:1fr;gap:26px}
  .form-grid{grid-template-columns:1fr}
  .cta-copy h2{font-size:26px}
  .page-hero .inner{padding:52px 0 62px}
  .page-hero .lead{font-size:15.6px}
  .scene-grid,.flow{grid-template-columns:1fr}
  .compare-col{padding:24px 20px}
  .footer-grid{padding:48px 20px 32px}
  .faq-item{padding:0 18px}
  .faq-item .ans{padding-left:0}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .logo-text{font-size:15px}
  .logo-text em{font-size:11px}
  .hero-actions{gap:10px}
  .btn{height:46px;padding:0 20px;font-size:15px;width:100%}
  .hero-actions .btn{width:100%}
  .badge-band .card-l{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .form-card{padding:22px 18px}
  .page-hero h1{font-size:26px}
}

/* roulang page: category3 */
:root{
  --brand:#F2531F;
  --brand-dark:#D23C0C;
  --brand-soft:#FFE7DC;
  --grad-brand:linear-gradient(135deg,#F2531F,#FF8A3D);
  --ink:#0E2B27;
  --ink-2:#12362F;
  --lime:#C8F04B;
  --bg:#FAF7F2;
  --bg-2:#F1EDE6;
  --line:#E4DED4;
  --text:#10201D;
  --muted:#4A5A56;
  --faint:#86928E;
  --ok:#2F9E63;
  --warn:#E0A100;
  --err:#D63A2F;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow-sm:0 1px 2px rgba(16,32,29,.06),0 10px 24px -18px rgba(16,32,29,.28);
  --shadow-md:0 1px 2px rgba(16,32,29,.06),0 16px 40px -20px rgba(16,32,29,.32);
  --shadow-lg:0 1px 2px rgba(16,32,29,.06),0 28px 60px -28px rgba(16,32,29,.4);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.01em}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 24px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";display:block;height:3px;
  background:var(--grad-brand);
}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 12px 24px -14px rgba(242,83,31,.95);
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;color:var(--text);line-height:1.25;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--faint);letter-spacing:.06em}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--line);
  border-radius:999px;background:#fff;font-size:14.5px;font-weight:600;color:var(--ink);
  transition:border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}
.chev{display:inline-block;font-size:11px;transition:transform .2s var(--ease)}
.mega:hover .chev,.mega:focus-within .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:min(720px,86vw);
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:13px;font-weight:700;color:var(--faint);letter-spacing:.08em;margin-bottom:12px}
.mega-col ul{display:grid;gap:8px}
.mega-col li a{display:inline-block;font-size:14px;color:var(--muted)}
.mega-col li a:hover{color:var(--brand);transform:translateX(2px)}
.mega-card{display:flex;align-items:center;gap:12px;padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--bg)}
.mega-card:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.mega-card img{width:56px;height:56px;border-radius:12px;object-fit:cover}
.mega-card strong{display:block;font-size:14px;color:var(--text)}
.mega-card span span{display:block;font-size:12.5px;color:var(--faint)}

/* ---------- buttons / badges ---------- */
.btn-brand,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;border-radius:999px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-brand{
  padding:13px 26px;color:#fff;background:var(--grad-brand);
  box-shadow:0 14px 30px -16px rgba(242,83,31,.95);
}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 20px 38px -16px rgba(210,60,12,.95)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{padding:12px 24px;border:1px solid var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-text{padding:4px 0;color:var(--brand);font-size:14.5px}
.btn-text .arw{transition:transform .18s var(--ease)}
.btn-text:hover .arw{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:8px;font-size:13px;font-weight:700;line-height:1.6}
.badge-soft{background:var(--brand-soft);color:var(--brand-dark)}
.badge-data{background:var(--lime);color:var(--ink)}
.badge-line{border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.9);background:rgba(255,255,255,.08)}

.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ---------- hero ---------- */
.hero{padding:40px 0 8px}
.hero-panel{
  position:relative;overflow:hidden;border-radius:28px;background:var(--ink);
  color:#fff;padding:44px 32px;box-shadow:var(--shadow-lg);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.34;
}
.hero-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,43,39,.94),rgba(18,54,47,.82) 46%,rgba(242,83,31,.62));
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px}
.crumb a:hover{color:var(--lime)}
.hero h1{color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.2}
.hero-lead{margin-top:16px;max-width:46ch;font-size:16.5px;color:rgba(255,255,255,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:22px;border:1px solid rgba(255,255,255,.16)}
.float-badge{
  position:absolute;left:-10px;bottom:-18px;background:#fff;color:var(--text);
  border-radius:18px;padding:14px 18px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:12px;min-width:210px;
}
.float-badge .num{font-size:28px;color:var(--brand);line-height:1}
.float-badge small{display:block;font-size:12.5px;color:var(--faint);font-weight:600}

/* ---------- data strip ---------- */
.data-strip{margin-top:-24px;position:relative;z-index:3}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-md)}
.data-card{position:relative;padding:14px 16px 14px 20px;border-radius:16px;background:var(--bg);border:1px solid var(--line)}
.data-card::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad-brand)}
.data-card .num{display:block;font-size:30px;color:var(--text);line-height:1.1}
.data-card span{font-size:13.5px;color:var(--muted)}
.data-card .tick{color:var(--ok);font-size:12.5px;font-weight:700}

/* ---------- prep cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-l{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.card-l:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-l h3{font-size:19px;margin-bottom:10px}
.card-l p{font-size:15px}
.card-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);font-weight:800;margin-bottom:14px}

/* ---------- timeline ---------- */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 26px;box-shadow:var(--shadow-sm)}
.timeline{position:relative;padding-left:36px}
.timeline::before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--lime))}
.tl-item{position:relative;padding-bottom:24px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-36px;top:2px;width:26px;height:26px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:grid;place-items:center;font-size:12.5px;font-weight:800;
}
.tl-card{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:18px 20px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.tl-card:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.tl-card h3{font-size:17.5px;margin-bottom:6px}
.tl-card p{font-size:14.8px}
.tl-tag{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);padding:3px 10px;border-radius:8px}

/* ---------- scene ---------- */
.scene-card{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-sm)}
.scene-card h3{font-size:18px}
.scene-card ul{display:grid;gap:8px;margin-top:4px}
.scene-card li{position:relative;padding-left:20px;font-size:14.8px}
.scene-card li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--lime)}
.scene-icon{width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800}

/* ---------- checklist ---------- */
.check-block{background:var(--ink);border-radius:var(--r-lg);padding:36px 28px;color:#fff}
.check-block h2{color:#fff}
.check-block .section-head p{color:rgba(255,255,255,.75)}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px}
.check-item .mark{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:13px}
.check-item strong{display:block;color:#fff;font-size:15.5px;margin-bottom:4px}
.check-item p{font-size:14.2px;color:rgba(255,255,255,.76)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 20px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-list details[open]{border-left:3px solid var(--brand);box-shadow:var(--shadow-sm)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 0;font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-list summary::-webkit-details-marker{display:none}
.q-mark{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:14px}
.faq-list summary .chev{margin-left:auto;color:var(--faint)}
.faq-list details[open] summary .chev{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 0 20px 42px;font-size:15px;color:var(--muted)}
@media (max-width:520px){.faq-body{padding-left:0}}

/* ---------- cta form ---------- */
.cta-block{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:40px 28px;color:#fff;background:var(--ink-2)}
.cta-block::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;opacity:.3}
.cta-block::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(14,43,39,.95),rgba(18,54,47,.86) 55%,rgba(242,83,31,.6))}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:start}
.cta-grid h2{color:#fff;font-size:clamp(23px,2.8vw,32px)}
.cta-grid .lead{margin-top:14px;color:rgba(255,255,255,.82);font-size:15.5px;max-width:44ch}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;align-items:center;font-size:14.6px;color:rgba(255,255,255,.86)}
.cta-points .mark{width:22px;height:22px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:12px;font-weight:800;flex:0 0 auto}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-lg);color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:700;color:var(--text)}
.field label i{color:var(--brand);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);font-size:14.6px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px rgba(242,83,31,.18);
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--faint);margin-top:6px}
.check-line input{width:16px;height:16px;margin-top:5px;accent-color:var(--brand)}
.form-card .btn-brand{width:100%;margin-top:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:72px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-logo{font-size:18px;font-weight:800;color:#fff;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px}
.footer-brand p{font-size:14.2px;line-height:1.9}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.f-badge{font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:8px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.2px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14.2px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 20px;font-size:13.5px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){.footer-bottom{padding:22px 24px}}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-burger{display:flex;margin-left:auto}
  .main-nav{
    position:fixed;left:0;right:0;top:75px;z-index:70;
    flex-direction:column;align-items:stretch;gap:12px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:16px 20px 24px;max-height:calc(100vh - 75px);overflow:auto;
    box-shadow:var(--shadow-md);
    opacity:0;visibility:hidden;transform:translateY(-10px);pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .nav-toggle:checked ~ .main-nav{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{display:block;padding:13px 14px;min-height:44px;border-radius:12px;font-size:15.5px}
  .nav-link.is-active{background:var(--brand-soft)}
  .nav-link.is-active::after{display:none}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;padding:12px 14px;min-height:44px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;box-shadow:none;border:1px dashed var(--line);
    background:var(--bg);padding:16px;margin-top:10px;
  }
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .hero-panel{padding:32px 22px;border-radius:22px}
  .float-badge{left:12px;bottom:-14px}
  .data-strip{margin-top:-14px}
  .data-grid{grid-template-columns:1fr;padding:18px}
  .grid-3{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .check-block{padding:28px 20px}
  .timeline-wrap{padding:24px 18px}
  .timeline{padding-left:28px}
  .tl-dot{left:-28px;width:22px;height:22px;font-size:11.5px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .logo-text{font-size:14.5px}
  .logo-text em{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}