/* roulang page: index */
:root{
  --c-brand-900:#0B2B26;
  --c-brand-700:#0E5C4B;
  --c-brand-600:#0E8A67;
  --c-brand-400:#12B58A;
  --c-cyan:#35E0C4;
  --c-accent:#FF7B3D;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E3E6E1;
  --ink:#16211D;
  --ink-2:#5A6B64;
  --ink-3:#98A39E;
  --soft:#F1F6F3;
  --grad:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
  --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
  --r-card:24px;
  --r-hero:28px;
  --r-inner:16px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,43,38,.06);
  --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
  --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body.site-body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(18,181,138,.24);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFEEE9;}
::-webkit-scrollbar-thumb{background:#C9D2CC;border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:var(--c-brand-400);}
:focus-visible{outline:3px solid rgba(14,138,103,.35);outline-offset:2px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-bar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(14,138,103,.7);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:15px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);
  padding:20px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--grad);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .18s ease,transform .18s ease;
}
.nav-link:hover{color:var(--c-brand-600);}
.nav-link.active{color:var(--c-brand-900);font-weight:600;}
.nav-link.active::after{opacity:1;transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px 0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(14,138,103,.14);}
.search-box svg{width:16px;height:16px;flex-shrink:0;stroke:var(--ink-3);}
.search-box input{border:none;outline:none;background:transparent;font-size:13px;width:100%;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-3);}
.kbd{
  font-size:11px;line-height:1;color:var(--ink-3);
  background:#F1F2EE;border:1px solid var(--line);border-radius:6px;
  padding:4px 5px;white-space:nowrap;
}
.icon-btn{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  transition:background .18s ease;
}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink-2);}
.icon-btn:hover{background:rgba(14,138,103,.1);}
.icon-btn:hover svg{stroke:var(--c-brand-600);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:14px;font-size:14px;font-weight:600;
  padding:0 22px;height:48px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  will-change:transform;
}
.btn-sm{height:40px;padding:0 18px;border-radius:12px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -14px rgba(14,138,103,.9);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--c-brand-900);}
.btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand-600);font-size:14px;font-weight:600;}
.link-arrow span.ar{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover span.ar{transform:translateX(3px);}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;
}
.burger svg{width:20px;height:20px;stroke:var(--c-brand-900);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 20px;
}
.mobile-panel.open{display:block;}
.mobile-panel .m-link{
  display:flex;align-items:center;height:44px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel .m-link.active{color:var(--c-brand-600);font-weight:600;}
.mobile-panel .m-cta{margin-top:16px;display:flex;}
.mobile-panel .m-cta .btn{width:100%;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
  background:
    radial-gradient(520px 520px at 88% 8%,rgba(18,181,138,.10),transparent 70%),
    radial-gradient(420px 420px at 4% 92%,rgba(255,123,61,.07),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(14,138,103,.10);
  color:var(--c-brand-600);font-size:12px;font-weight:600;
  letter-spacing:.01em;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-brand-400);}
.pill-accent{background:var(--c-accent);color:#fff;}
.hero h1{
  margin-top:20px;
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
  color:var(--c-brand-900);
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:12px;color:var(--ink-2);font-weight:500;
}
.chip svg{width:13px;height:13px;stroke:var(--c-brand-600);}
.hero-visual{position:relative;}
.hero-visual .frame{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);border:1px solid var(--line);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(14,138,103,.16),rgba(53,224,196,.06) 60%,rgba(11,43,38,.12));
  pointer-events:none;
}
.float-card{
  position:absolute;background:#fff;border-radius:16px;
  padding:12px 16px;box-shadow:var(--sh-2);border:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
}
.float-card .f-ico{
  width:32px;height:32px;border-radius:10px;background:rgba(14,138,103,.1);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.float-card .f-ico svg{width:16px;height:16px;stroke:var(--c-brand-600);}
.float-card .f-num{font-size:16px;font-weight:700;color:var(--c-brand-900);line-height:1.2;}
.float-card .f-lbl{font-size:11px;color:var(--ink-3);line-height:1.4;}
.float-card.fc-1{left:-18px;bottom:34px;}
.float-card.fc-2{right:-14px;top:28px;}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{max-width:720px;}
.sec-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--c-brand-600);
  text-transform:uppercase;
}
.sec-title{
  margin-top:12px;font-size:clamp(26px,3vw,34px);line-height:1.25;
  font-weight:700;letter-spacing:-.02em;color:var(--c-brand-900);
}
.sec-desc{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;}
.metric{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  min-height:190px;display:flex;flex-direction:column;justify-content:space-between;
}
.metric:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px);}
.metric-ico{
  width:40px;height:40px;border-radius:12px;background:rgba(14,138,103,.1);
  display:flex;align-items:center;justify-content:center;
}
.metric-ico svg{width:20px;height:20px;stroke:var(--c-brand-600);}
.metric-lbl{margin-top:18px;font-size:13px;color:var(--ink-3);}
.metric-val{
  margin-top:6px;display:flex;align-items:baseline;gap:6px;
}
.metric-val b{
  font-size:clamp(36px,3.6vw,46px);line-height:1;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric-val i{font-style:normal;font-size:14px;color:var(--ink-2);}
.metric-delta{
  position:absolute;right:20px;top:24px;
  font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-variant-numeric:tabular-nums;
}
.metric-delta.warm{background:#FF7B3D;color:#fff;}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:44px;}
.bento-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  overflow:hidden;
}
.bento-card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px);}
.b-pick{grid-column:span 7;}
.b-second{grid-column:span 5;}
.b-third{grid-column:span 4;}
.b-num{
  font-size:28px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.bento-card h3{margin-top:14px;font-size:20px;font-weight:600;color:var(--c-brand-900);line-height:1.45;}
.bento-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.bento-card .b-foot{margin-top:auto;padding-top:20px;}
.bento-media{
  margin-top:20px;border-radius:20px;overflow:hidden;aspect-ratio:16/9;
}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.bento-card:hover .bento-media img{transform:scale(1.03);}
.bento-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;}
.bento-ico{
  width:42px;height:42px;border-radius:13px;background:rgba(14,138,103,.1);
  display:flex;align-items:center;justify-content:center;
}
.bento-ico svg{width:21px;height:21px;stroke:var(--c-brand-600);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px);}
.news-card:hover .news-title{color:var(--c-brand-600);}
.news-card--wide{grid-column:span 2;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-cat{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.92);color:var(--c-brand-600);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--c-brand-900);
  transition:color .18s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;border-top:1px solid var(--line);
}
.news-meta{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.news-foot svg{width:16px;height:16px;stroke:var(--c-brand-600);transition:transform .18s ease;}
.news-card:hover .news-foot svg{transform:translateX(3px);}
.news-empty{
  grid-column:span 3;border:1.5px dashed #C9D2CC;border-radius:var(--r-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:#FCFCFA;text-align:center;padding:28px;
}
.news-empty svg{width:32px;height:32px;stroke:#C9D2CC;}
.news-empty p{font-size:14px;color:var(--ink-2);}

/* ---------- compare ---------- */
.compare{margin-top:44px;display:flex;flex-direction:column;gap:18px;}
.compare-row{display:grid;grid-template-columns:1fr 56px 1fr;gap:16px;align-items:stretch;}
.cmp-card{
  border-radius:var(--r-card);padding:24px 26px;display:flex;flex-direction:column;gap:8px;
}
.cmp-old{background:#F1F2EE;border:1px solid #E7E9E4;}
.cmp-old .cmp-tag{color:var(--ink-3);}
.cmp-old p{color:var(--ink-2);}
.cmp-new{
  background:#fff;border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-2);
}
.cmp-new .cmp-tag{color:var(--c-brand-600);}
.cmp-tag{font-size:12px;font-weight:700;letter-spacing:.08em;}
.cmp-card h3{font-size:17px;font-weight:600;color:var(--c-brand-900);}
.cmp-card p{font-size:14px;line-height:1.8;}
.cmp-arrow{
  width:36px;height:36px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;align-self:center;
  box-shadow:0 10px 20px -12px rgba(14,138,103,.9);
}
.cmp-arrow svg{width:16px;height:16px;stroke:#fff;}
.cmp-summary{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- faq ---------- */
.faq-list{margin-top:40px;display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-inner);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--c-brand-600);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
}
.faq-q h3{font-size:16px;font-weight:600;color:var(--c-brand-900);line-height:1.6;}
.faq-sign{
  width:28px;height:28px;border-radius:50%;background:var(--grad);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;line-height:1;
  transition:transform .2s ease;
}
.faq-item.open .faq-sign{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* ---------- cta form ---------- */
.cta-block{
  border-radius:var(--r-hero);
  background:var(--grad-dark);
  padding:48px;position:relative;overflow:hidden;
  box-shadow:0 30px 60px -40px rgba(11,43,38,.9);
}
.cta-block::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;
  border-radius:50%;background:radial-gradient(circle,rgba(53,224,196,.22),transparent 65%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-block h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.02em;
}
.cta-lead{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:400px;}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.cta-point{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.9);font-size:14px;}
.cta-point .cp-ico{
  width:28px;height:28px;border-radius:9px;background:rgba(53,224,196,.16);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.cta-point .cp-ico svg{width:14px;height:14px;stroke:var(--c-cyan);}
.cta-badge{margin-top:26px;display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:700;
  padding:7px 14px;border-radius:999px;
}
.form-card{
  background:#FDFDFB;border-radius:20px;padding:28px;box-shadow:var(--sh-2);
}
.form-row{margin-bottom:16px;}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--c-brand-900);margin-bottom:8px;}
.field{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:#fff;font-size:14px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
  outline:none;
}
.field::placeholder{color:var(--ink-3);}
.field:focus{border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(14,138,103,.16);}
.cap-row{display:grid;grid-template-columns:1fr 100px;gap:12px;}
.cap-box{
  height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  background:repeating-linear-gradient(135deg,#E9F1EC 0 8px,#F5F9F6 8px 16px);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.18em;color:var(--c-brand-700);
  user-select:none;
}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--ink-2);line-height:1.7;}
.form-check input{
  width:16px;height:16px;margin-top:3px;accent-color:var(--c-brand-600);flex-shrink:0;
}
.form-check a{color:var(--c-brand-600);font-weight:600;}
.form-submit{width:100%;margin-top:20px;}
.form-note{
  margin-top:14px;font-size:12px;line-height:1.7;color:var(--ink-3);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--c-brand-900);color:#fff;margin-top:96px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-top{padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{font-size:15px;font-weight:700;color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:300px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.62);}
.f-col-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.01em;}
.f-links{display:flex;flex-direction:column;gap:11px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease;}
.f-links a:hover{color:var(--c-cyan);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom p{line-height:1.7;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links{gap:20px;}
  .search-box{width:180px;}
}
@media (max-width:1024px){
  .nav-links,.search-box{display:none;}
  .burger{display:flex;}
  .nav-bar{height:56px;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual .frame{aspect-ratio:16/10;}
  .float-card.fc-1{left:12px;bottom:14px;}
  .float-card.fc-2{right:12px;top:14px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .b-pick,.b-second{grid-column:span 12;}
  .b-third{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--wide{grid-column:span 2;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-block{padding:36px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .b-third{grid-column:span 12;}
  .bento-split{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;gap:12px;}
  .cmp-arrow{transform:rotate(90deg);justify-self:center;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--wide{grid-column:span 1;}
  .news-empty{grid-column:span 1;}
  .hero-visual .float-card{display:none;}
  .hero-badges{gap:8px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .cta-block{padding:28px;border-radius:24px;}
  .form-card{padding:20px;}
  .metrics{grid-template-columns:1fr;}
  .metric{min-height:auto;}
}
@media (max-width:520px){
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .brand-text{font-size:14px;}
  .sec-title{font-size:24px;}
  .cap-row{grid-template-columns:1fr 88px;}
  .faq-q{padding:16px 18px;}
  .faq-q h3{font-size:15px;}
  .faq-a p{padding:0 18px 18px;font-size:14px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --c-brand-900:#0B2B26;
  --c-brand-700:#0E5C4B;
  --c-brand-600:#0E8A67;
  --c-brand-400:#12B58A;
  --c-accent:#FF7B3D;
  --c-cyan:#35E0C4;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --border:#E3E6E1;
  --text:#16211D;
  --muted:#5A6B64;
  --faint:#98A39E;
  --grad:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
  --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
  --r-card:24px;
  --r-hero:28px;
  --r-inner:16px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,43,38,.06);
  --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
  --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --space-block:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(14,138,103,.18)}
:focus-visible{outline:3px solid rgba(14,138,103,.35);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.nav-bar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:28px;
  height:64px;
  padding-inline:max(20px,calc(50vw - 600px + 24px));
  background:rgba(247,246,242,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:15px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin:0 auto}
.nav-link{
  position:relative;font-size:14px;color:var(--muted);
  padding:21px 0;transition:color .12s ease;
}
.nav-link:hover{color:var(--c-brand-600)}
.nav-link.active{color:var(--c-brand-900);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-input);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box:focus-within{border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(14,138,103,.16)}
.search-box svg{width:16px;height:16px;stroke:var(--faint);flex-shrink:0}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:13px;color:var(--text);
}
.search-box input::placeholder{color:var(--faint)}
.kbd{
  font-size:11px;color:var(--muted);background:#F1F2EE;border-radius:6px;
  padding:2px 5px;line-height:1.4;white-space:nowrap;
}
.icon-btn{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:background .16s ease,color .16s ease;
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor}
.icon-btn:hover{background:rgba(14,138,103,.1);color:var(--c-brand-600)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;border:0;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{box-shadow:var(--sh-2);transform:translateY(-1px);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--c-brand-900);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(0)}
.btn:disabled{opacity:.45;pointer-events:none}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--c-brand-900);align-items:center;justify-content:center;
}
.burger svg{width:20px;height:20px;stroke:currentColor}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:56px;z-index:59;
  background:#fff;border-bottom:1px solid var(--border);
  padding:16px 20px 24px;box-shadow:var(--sh-2);
}
.mobile-panel.open{display:block}
.mobile-panel .search-box{width:100%;margin-bottom:12px}
.mobile-panel a.m-link{
  display:flex;align-items:center;height:44px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--border);
}
.mobile-panel a.m-link.active{color:var(--c-brand-600);font-weight:600}
.mobile-panel .btn{width:100%;margin-top:16px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:28px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs a{color:var(--muted);transition:color .12s ease}
.crumbs a:hover{color:var(--c-brand-600)}
.crumbs .sep{color:#C9D2CC}
.crumbs .current{color:var(--faint);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:28px 0 0;max-width:860px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-size:12px;font-weight:600;line-height:1.4;
}
.badge-accent{background:var(--c-accent);color:#fff}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.2;font-weight:700;
  letter-spacing:-.02em;color:var(--c-brand-900);
  margin:18px 0 18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9D2CC}
.grad-line{height:3px;width:88px;border-radius:3px;background:var(--grad);margin:22px 0 0}

/* ---------- 正文两栏 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;
  padding:44px 0 var(--space-block);
  align-items:start;
}
.article-prose{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
  font-size:16px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-prose p{margin:0 0 1.2em}
.article-prose h2{
  font-size:24px;line-height:1.35;font-weight:700;color:var(--c-brand-900);
  margin:40px 0 16px;letter-spacing:-.01em;
}
.article-prose h3{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--c-brand-900);
  margin:28px 0 12px;
}
.article-prose h2:first-child,.article-prose h3:first-child{margin-top:0}
.article-prose ul,.article-prose ol{margin:0 0 1.2em;padding-left:1.35em}
.article-prose ul li{list-style:disc;margin:6px 0}
.article-prose ol li{list-style:decimal;margin:6px 0}
.article-prose ul li::marker{color:var(--c-brand-600)}
.article-prose ol li::marker{color:var(--c-brand-600);font-weight:600}
.article-prose blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--c-brand-600);
  background:rgba(14,138,103,.06);
  border-radius:20px;color:var(--c-brand-900);
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose img{border-radius:16px;margin:24px 0}
.article-prose a{color:var(--c-brand-600);border-bottom:1px solid rgba(14,138,103,.3)}
.article-prose a:hover{border-bottom-color:var(--c-brand-600)}
.article-prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  border:1px solid var(--border);border-radius:16px;overflow:hidden;
}
.article-prose th{background:#F1F6F3;text-align:left;font-weight:600;color:var(--c-brand-900)}
.article-prose th,.article-prose td{padding:12px 14px;border-bottom:1px solid var(--border)}
.article-prose tr:last-child td{border-bottom:0}
.article-prose strong{color:var(--c-brand-900)}
.empty-block{
  border:1.5px dashed #C9D2CC;border-radius:var(--r-inner);
  background:#FBFBF8;padding:56px 24px;text-align:center;
}
.empty-block .ico{
  width:44px;height:44px;border-radius:12px;margin:0 auto 14px;
  background:rgba(14,138,103,.1);display:flex;align-items:center;justify-content:center;
}
.empty-block .ico svg{width:22px;height:22px;stroke:var(--c-brand-600)}
.empty-block p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h2{
  font-size:15px;font-weight:700;color:var(--c-brand-900);margin-bottom:14px;letter-spacing:-.01em;
}
.point-list li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;padding:9px 0;
  border-bottom:1px dashed var(--border);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-index{
  flex-shrink:0;width:22px;height:22px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.cta-card{
  border:1.5px solid transparent;border-radius:20px;padding:24px;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:var(--sh-1);
}
.cta-card h2{font-size:16px;font-weight:700;color:var(--c-brand-900);margin-bottom:8px}
.cta-card p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.cta-card .btn{width:100%;height:44px;font-size:14px}
.mini-empty{
  border:1.5px dashed #C9D2CC;border-radius:var(--r-inner);
  padding:22px 16px;text-align:center;background:#FBFBF8;
}
.mini-empty p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.mini-empty .btn{height:38px;font-size:13px;padding:0 16px}

/* ---------- 文末操作 ---------- */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--border);position:relative;
}
.article-foot::before{
  content:"";position:absolute;top:-1px;left:0;width:120px;height:3px;border-radius:3px;background:var(--grad);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-row .tag-label{font-size:13px;color:var(--faint);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#F1F6F3;color:var(--c-brand-700);font-size:12px;font-weight:600;
  transition:background .16s ease,color .16s ease;
}
.tag:hover{background:rgba(14,138,103,.14);color:var(--c-brand-600)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--space-block)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-inner);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  display:flex;flex-direction:column;gap:10px;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:var(--c-brand-600)}
.rel-card .rel-tag{font-size:12px;font-weight:600;color:var(--c-brand-600)}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-brand-900)}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.7}
.rel-card .rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--faint);padding-top:12px;border-top:1px dashed var(--border);
}
.rel-card .arrow{color:var(--c-brand-600);transition:transform .16s ease}
.rel-card:hover .arrow{transform:translateX(3px)}
.rel-empty{
  grid-column:1 / -1;
  border:1.5px dashed #C9D2CC;border-radius:var(--r-inner);
  background:#FBFBF8;min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:32px 20px;text-align:center;
}
.rel-empty .ico{
  width:44px;height:44px;border-radius:12px;background:rgba(14,138,103,.1);
  display:flex;align-items:center;justify-content:center;
}
.rel-empty .ico svg{width:22px;height:22px;stroke:var(--c-brand-600)}
.rel-empty p{font-size:14px;color:var(--muted)}

/* ---------- CTA 条 ---------- */
.cta-strip{padding:0 0 var(--space-block)}
.cta-inner{
  background:var(--grad-dark);border-radius:var(--r-hero);
  padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-100px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,196,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em;position:relative}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;position:relative}
.cta-inner .btn{position:relative;background:#fff;color:var(--c-brand-900)}
.cta-inner .btn:hover{box-shadow:var(--sh-3);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-brand-900);color:#fff;
  border-top:3px solid transparent;
  background-image:linear-gradient(var(--c-brand-900),var(--c-brand-900)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-top:14px;max-width:340px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.55)}
.f-col-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.f-links{display:flex;flex-direction:column;gap:11px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .16s ease}
.f-links a:hover{color:var(--c-cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 34px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  :root{--space-block:72px}
  .nav-links,.nav-right .search-box,.nav-right .icon-btn,.nav-right .btn{display:none}
  .burger{display:flex}
  .nav-bar{gap:16px;height:56px}
  .mobile-panel{top:56px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side{position:static;top:auto}
  .article-prose{padding:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .nav-bar{padding-inline:20px}
  .brand-text{font-size:14px}
  .article-head{padding-top:18px}
  .article-prose{padding:22px 20px;border-radius:20px}
  .article-prose h2{font-size:21px;margin-top:32px}
  .article-prose h3{font-size:18px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:32px 24px;border-radius:22px}
  .cta-inner .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:639px){
  :root{--space-block:56px}
  .crumbs ol{font-size:12px}
  .crumbs .current{max-width:180px}
  .meta-row{font-size:12px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-desc{max-width:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:374px){
  .wrap{padding:0 16px}
  .article-prose{padding:18px 16px}
}

/* roulang page: category1 */
:root{
  --c-brand-900:#0B2B26;
  --c-brand-700:#0E5C4B;
  --c-brand-600:#0E8A67;
  --c-brand-400:#12B58A;
  --c-cyan:#35E0C4;
  --c-accent:#FF7B3D;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --border:#E3E6E1;
  --ink:#16211D;
  --ink-2:#5A6B64;
  --ink-3:#98A39E;
  --soft:#F1F2EE;
  --soft-green:#F1F6F3;
  --r-card:24px;
  --r-hero:28px;
  --r-inner:16px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,43,38,.06);
  --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
  --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
  --grad-brand:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
  --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --gap:24px;
  --sec:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-brand-600)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.nav-bar{
  position:sticky;top:0;z-index:80;
  height:64px;display:flex;align-items:center;gap:20px;
  padding:0 max(24px,calc((100% - 1152px)/2));
  background:rgba(247,246,242,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(14,138,103,.9);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:15px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);text-decoration:none;
  padding:21px 0;transition:color .15s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--c-brand-600)}
.nav-link.active{color:var(--c-brand-900);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--border);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(14,138,103,.18)}
.search-box svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;flex:none}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:13px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;color:var(--ink-3);background:var(--soft);
  border-radius:6px;padding:2px 5px;flex:none;line-height:1.5;
}
.icon-btn{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-2);background:transparent;border:0;text-decoration:none;
  transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(14,138,103,.1);color:var(--c-brand-600)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--c-brand-900);place-items:center;cursor:pointer;
}
.burger svg{width:20px;height:20px;stroke:currentColor;fill:none}
.burger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,138,103,.35)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1;border-radius:14px;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .22s ease,filter .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-sm{height:40px;padding:0 18px}
.btn-lg{height:48px;padding:0 26px;font-size:15px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(14,138,103,1)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--c-brand-900)}
.btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,138,103,.35),0 0 0 1px var(--c-brand-600)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-brand-600);text-decoration:none;
}
.link-arrow i{transition:transform .18s ease;font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.015em;color:var(--c-brand-900)}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-brand-400)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.badge-accent{background:var(--c-accent);color:#fff}
.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px)}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--ink-2)}
.crumbs a{color:var(--ink-2);text-decoration:none;transition:color .15s ease}
.crumbs a:hover{color:var(--c-brand-600)}
.crumbs .sep{margin:0 8px;color:#C9D2CC}
.crumbs .cur{color:var(--ink-3)}

/* ============ 小 Hero ============ */
.hero{padding:32px 0 24px}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4vw,48px);line-height:1.16;font-weight:700;
  letter-spacing:-.02em;color:var(--c-brand-900);margin:20px 0 18px;
}
.hero .lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-media{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:16/11;background:#DFE7E2;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(14,138,103,.16),rgba(53,224,196,.06) 55%,rgba(11,43,38,.34));
}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:16px;background:rgba(255,255,255,.96);
  box-shadow:var(--sh-2);
}
.hero-float .hf-icon{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:rgba(14,138,103,.12);color:var(--c-brand-600);font-size:14px;
}
.hero-float .hf-num{font-size:18px;font-weight:700;color:var(--c-brand-900);line-height:1.2}
.hero-float .hf-label{font-size:12px;color:var(--ink-2);line-height:1.3}

/* ============ 步骤区 ============ */
.steps-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;margin-top:44px;
}
.anchor-nav{position:sticky;top:96px;align-self:start}
.anchor-nav .an-title{
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);
  text-transform:uppercase;margin-bottom:14px;
}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);text-decoration:none;
  border-left:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.anchor-nav a:hover{background:rgba(14,138,103,.08);color:var(--c-brand-600)}
.anchor-nav a .an-idx{
  font-size:12px;font-weight:700;color:var(--c-brand-400);
  font-variant-numeric:tabular-nums;
}
.anchor-nav .an-note{
  margin-top:20px;padding:16px;border-radius:var(--r-inner);
  background:var(--soft-green);border:1px solid #DCEAE3;
  font-size:13px;line-height:1.7;color:var(--ink-2);
}
.step-list{display:grid;gap:20px}
.step-card{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  scroll-margin-top:96px;
}
.step-card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px)}
.step-num{
  font-size:30px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-variant-numeric:tabular-nums;padding-top:4px;
}
.step-card h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--c-brand-900)}
.step-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.step-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}

/* ============ 注意事项 ============ */
.note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:40px}
.note-card{
  padding:28px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.note-card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px)}
.note-card .nc-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);font-size:16px;
}
.note-card h3{margin-top:16px;font-size:18px;font-weight:600;color:var(--c-brand-900)}
.note-card p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin-top:40px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-inner);
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--c-brand-600);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-brand-900);
}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(14,138,103,.28)}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--grad-brand);color:#fff;display:grid;place-items:center;
  font-size:14px;line-height:1;transition:transform .2s ease;
}
.faq-item.open .faq-sign{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-dark);border-radius:var(--r-hero);
  padding:48px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-110px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,196,.28),transparent 68%);
}
.cta-band h2{
  position:relative;font-size:30px;line-height:1.3;font-weight:700;
  color:#fff;letter-spacing:-.015em;
}
.cta-band p{position:relative;margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(53,224,196,.7);color:#fff}
.cta-note{position:relative;margin-top:18px;font-size:12px;color:rgba(255,255,255,.5)}

/* ============ 页脚 ============ */
.site-footer{background:#0B2B26;color:#fff;margin-top:0}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad-brand)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:60px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#fff;letter-spacing:-.01em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:330px}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13px;color:rgba(255,255,255,.55)}
.f-col-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.f-links{display:grid;gap:11px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;transition:color .18s ease}
.f-links a:hover{color:var(--c-cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);
}
.footer-bottom p{max-width:640px}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{gap:20px}
  .search-box{width:190px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/9}
  .steps-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .anchor-nav .an-title{width:100%;margin-bottom:6px}
  .anchor-nav a{background:#fff;border:1px solid var(--border);border-left-width:1px;padding:8px 12px;border-radius:999px;font-size:13px}
  .anchor-nav .an-note{display:none}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:899px){
  .search-box{display:none}
  .icon-btn{display:none}
  .nav-links{gap:16px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .nav-bar{height:56px;gap:12px}
  .brand-mark{width:30px;height:30px;border-radius:9px}
  .brand-mark svg{width:18px;height:18px}
  .brand-text{font-size:14px}
  .burger{display:grid}
  .nav-links{
    position:absolute;top:56px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:var(--sh-2);padding:8px 16px 16px;display:none;
  }
  .nav-bar.is-open .nav-links{display:flex}
  .nav-link{padding:12px 4px;font-size:15px;border-bottom:1px solid var(--soft)}
  .nav-link:last-child{border-bottom:0}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--c-brand-600)}
  .nav-right .btn-sm{display:none}
  .hero{padding:24px 0 8px}
  .hero h1{margin:16px 0 14px}
  .hero .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-float{display:none}
  .note-grid{grid-template-columns:1fr}
  .step-card{grid-template-columns:1fr;gap:12px;padding:22px}
  .step-num{font-size:24px;padding-top:0}
  .cta-band{padding:28px;border-radius:20px}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .wrap{padding:0 20px}
  .nav-bar{padding:0 20px}
  .hero-media{border-radius:20px}
  .badge{font-size:11px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:14px}
}

/* roulang page: category2 */
:root{
    --c-brand-900:#0B2B26;
    --c-brand-700:#0E5C4B;
    --c-brand-600:#0E8A67;
    --c-brand-400:#12B58A;
    --c-accent:#FF7B3D;
    --c-cyan:#35E0C4;
    --bg:#F7F6F2;
    --card:#FFFFFF;
    --line:#E3E6E1;
    --ink:#16211D;
    --muted:#5A6B64;
    --disable:#98A39E;
    --grad:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
    --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
    --r-card:24px;
    --r-hero:28px;
    --r-inner:16px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(11,43,38,.06);
    --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
    --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
    --focus:0 0 0 3px rgba(14,138,103,.35);
    --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font);
    font-size:16px;
    line-height:1.85;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--c-brand-600);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
  a:hover{color:var(--c-brand-700);}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:none;box-shadow:var(--focus);border-color:var(--c-brand-600) !important;border-radius:8px;}
  ::-webkit-scrollbar{height:10px;width:10px;}
  ::-webkit-scrollbar-thumb{background:#CFD8D2;border-radius:999px;}
  ::-webkit-scrollbar-track{background:transparent;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- 导航 ---------- */
  .nav-bar{
    position:sticky;top:0;z-index:60;
    display:flex;align-items:center;gap:28px;
    height:64px;padding:0 24px;
    background:rgba(247,246,242,.86);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;
    background:var(--grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--sh-1);
    flex-shrink:0;
  }
  .brand-mark svg{width:20px;height:20px;stroke:#fff;}
  .brand-text{font-size:15px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;}
  .nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;height:64px;
    font-size:14px;color:var(--muted);font-weight:500;
    transition:color .12s ease;
  }
  .nav-link:hover{color:var(--c-brand-600);}
  .nav-link.active{color:var(--c-brand-900);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:0;right:0;bottom:0;
    height:2px;border-radius:2px 2px 0 0;background:var(--grad);
  }
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:220px;height:40px;padding:0 10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-box:focus-within{border-color:var(--c-brand-600);box-shadow:var(--focus);}
  .search-box svg{width:16px;height:16px;stroke:var(--muted);flex-shrink:0;}
  .search-box input{
    flex:1;min-width:0;border:0;background:transparent;outline:none;
    font-size:13px;color:var(--ink);font-family:inherit;
  }
  .search-box input::placeholder{color:var(--disable);}
  .kbd{
    font-size:11px;color:var(--muted);background:#F1F2EE;
    border-radius:6px;padding:1px 6px;line-height:18px;white-space:nowrap;
  }
  .icon-btn{
    width:32px;height:32px;border-radius:10px;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--muted);
  }
  .icon-btn svg{width:18px;height:18px;stroke:currentColor;}
  .icon-btn:hover{background:rgba(14,138,103,.1);color:var(--c-brand-700);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border:0;border-radius:14px;
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2);}
  .btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-3);color:#fff;}
  .btn-ghost{background:#fff;color:var(--c-brand-900);border:1px solid var(--line);}
  .btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
  .btn-arrow::after{content:"→";transition:transform .18s ease;}
  .btn-arrow:hover::after{transform:translateX(3px);}
  .burger{
    display:none;width:40px;height:40px;border-radius:10px;
    background:#fff;border:1px solid var(--line);
    align-items:center;justify-content:center;cursor:pointer;
  }
  .burger svg{width:20px;height:20px;stroke:var(--c-brand-900);}
  .nav-search-mobile{display:none;}

  /* ---------- 面包屑 ---------- */
  .crumbbar{padding:22px 0 0;}
  .crumbbar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
  .crumbbar li{display:flex;align-items:center;gap:8px;}
  .crumbbar li+li::before{content:"/";color:#C3CCC6;}
  .crumbbar a{color:var(--muted);}
  .crumbbar a:hover{color:var(--c-brand-600);}
  .crumbbar .cur{color:var(--c-brand-700);font-weight:600;}

  /* ---------- 小 Hero ---------- */
  .cat-hero{padding:26px 0 56px;position:relative;overflow:hidden;}
  .cat-hero::before{
    content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;
    background:radial-gradient(circle,rgba(14,138,103,.10) 0%,rgba(14,138,103,0) 70%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  }
  .pill{
    display:inline-flex;align-items:center;gap:8px;
    height:30px;padding:0 14px;border-radius:999px;
    background:rgba(14,138,103,.1);color:var(--c-brand-700);
    font-size:12px;font-weight:600;
  }
  .pill .dot{width:6px;height:6px;border-radius:999px;background:var(--c-brand-400);}
  .cat-hero h1{
    margin-top:18px;
    font-size:48px;line-height:1.16;font-weight:700;letter-spacing:-.02em;color:var(--c-brand-900);
  }
  .hero-lead{
    margin-top:18px;max-width:560px;
    font-size:16px;line-height:1.85;color:var(--muted);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .hero-figure{
    position:relative;border-radius:var(--r-hero);overflow:hidden;
    background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-2);
    aspect-ratio:4/3;
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(140deg,rgba(14,138,103,.16),rgba(53,224,196,.08) 60%,rgba(11,43,38,.10));
    pointer-events:none;
  }
  .hero-float{
    position:absolute;left:20px;bottom:20px;z-index:2;
    display:flex;align-items:center;gap:10px;
    background:rgba(255,255,255,.96);border-radius:16px;padding:10px 14px;
    box-shadow:var(--sh-2);
  }
  .hero-float .fi{
    width:32px;height:32px;border-radius:10px;background:rgba(14,138,103,.1);
    display:flex;align-items:center;justify-content:center;
  }
  .hero-float .fi svg{width:16px;height:16px;stroke:var(--c-brand-600);}
  .hero-float strong{display:block;font-size:15px;font-weight:700;color:var(--c-brand-900);line-height:1.2;}
  .hero-float span{font-size:11px;color:var(--muted);line-height:1.4;}

  /* ---------- 指标徽章带 ---------- */
  .metric-band{padding:0 0 88px;}
  .metric-strip{
    display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    padding:20px;border-radius:var(--r-card);
    background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  }
  .metric-chip{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:var(--r-inner);}
  .metric-chip .chip-ico{
    width:40px;height:40px;border-radius:14px;flex-shrink:0;
    background:rgba(14,138,103,.1);display:flex;align-items:center;justify-content:center;
  }
  .metric-chip .chip-ico svg{width:19px;height:19px;stroke:var(--c-brand-600);}
  .metric-chip b{display:block;font-size:20px;font-weight:700;color:var(--c-brand-900);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
  .metric-chip small{display:block;font-size:12px;color:var(--muted);line-height:1.5;}

  /* ---------- 板块通用 ---------- */
  .section{padding:0 0 96px;}
  .sec-head{max-width:720px;margin-bottom:40px;}
  .sec-head h2{
    font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.015em;color:var(--c-brand-900);
  }
  .sec-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.85;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
    color:var(--c-brand-600);letter-spacing:.06em;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}

  /* ---------- Z 字图文 ---------- */
  .z-list{display:flex;flex-direction:column;gap:32px;}
  .z-block{
    display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .z-block:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px);}
  .z-block.rev .z-figure{order:2;}
  .z-block.rev .z-copy{order:1;}
  .z-figure{
    position:relative;border-radius:20px;overflow:hidden;background:#EFF3EF;aspect-ratio:16/11;
  }
  .z-figure img{width:100%;height:100%;object-fit:cover;}
  .z-figure::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(155deg,rgba(14,138,103,.14),rgba(53,224,196,.06) 55%,rgba(11,43,38,.08));
  }
  .z-index{
    position:absolute;top:14px;left:16px;z-index:2;
    font-size:26px;font-weight:800;letter-spacing:-.02em;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
    font-variant-numeric:tabular-nums;
  }
  .z-copy h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--c-brand-900);letter-spacing:-.01em;}
  .z-copy p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--muted);}
  .z-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
  .z-points li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--ink);}
  .z-points li::before{
    content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:999px;
    background:var(--grad);
  }
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:rgba(14,138,103,.1);color:var(--c-brand-700);
    font-size:12px;font-weight:600;margin-top:20px;
  }
  .tag.accent{background:rgba(255,123,61,.14);color:#C4521F;}

  /* ---------- 能力清单 ---------- */
  .cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
  .cap-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .cap-card:hover{border-color:var(--c-brand-600);box-shadow:var(--sh-3);transform:translateY(-2px);}
  .cap-card.tall{grid-row:span 2;display:flex;flex-direction:column;}
  .cap-ico{
    width:44px;height:44px;border-radius:14px;
    background:rgba(14,138,103,.1);
    display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  }
  .cap-ico svg{width:21px;height:21px;stroke:var(--c-brand-600);}
  .cap-card h3{font-size:20px;font-weight:600;color:var(--c-brand-900);line-height:1.4;letter-spacing:-.01em;}
  .cap-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}
  .cap-card .z-points{margin-top:16px;}
  .cap-card.tall .cap-figure{
    margin-top:auto;padding-top:22px;
  }
  .cap-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-inner);}
  .cap-note{
    margin-top:24px;display:flex;align-items:flex-start;gap:12px;
    padding:18px 20px;border-radius:var(--r-inner);
    background:#F1F6F3;border:1px solid var(--line);
  }
  .cap-note svg{width:18px;height:18px;stroke:var(--c-brand-600);flex-shrink:0;margin-top:3px;}
  .cap-note p{font-size:13px;line-height:1.8;color:var(--muted);}

  /* ---------- CTA 条 ---------- */
  .cta-bar{padding:0 0 96px;}
  .cta-inner{
    position:relative;overflow:hidden;
    background:var(--grad-dark);
    border-radius:var(--r-hero);
    padding:48px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:var(--sh-2);
  }
  .cta-inner::before{
    content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:999px;
    background:radial-gradient(circle,rgba(53,224,196,.22),rgba(53,224,196,0) 70%);
  }
  .cta-copy{position:relative;z-index:1;max-width:640px;}
  .cta-copy h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.015em;}
  .cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);}
  .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
  .cta-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff;}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5);color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--c-brand-900);
    border-top:3px solid transparent;
    border-image:linear-gradient(90deg,#0E8A67,#12B58A,#35E0C4) 1;
    padding:64px 0 0;
    color:#fff;
  }
  .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#fff;}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:320px;}
  .footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;}
  .footer-contact li{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
  .f-col-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
  .f-links{display:flex;flex-direction:column;gap:11px;}
  .f-links a{font-size:14px;color:rgba(255,255,255,.7);}
  .f-links a:hover{color:var(--c-cyan);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  }
  .footer-bottom p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);max-width:640px;}

  @media (max-width:1023px){
    .nav-links{
      position:absolute;top:64px;left:0;right:0;
      display:none;flex-direction:column;align-items:stretch;gap:0;
      background:#fff;border-bottom:1px solid var(--line);
      box-shadow:var(--sh-2);padding:0 20px 20px;margin-left:0;
    }
    .nav-bar.open .nav-links{display:flex;}
    .nav-link{height:44px;border-bottom:1px solid var(--line);}
    .nav-link.active::after{display:none;}
    .nav-search-mobile{display:flex;margin:16px 0 4px;width:100%;height:44px;}
    .search-box{display:none;}
    .burger{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .cat-hero h1{font-size:40px;}
    .metric-strip{grid-template-columns:1fr 1fr;}
    .z-block{grid-template-columns:1fr;gap:24px;}
    .z-block.rev .z-figure{order:1;}
    .z-block.rev .z-copy{order:2;}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:36px;}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767px){
    .wrap{padding:0 20px;}
    .cat-hero{padding:20px 0 40px;}
    .cat-hero h1{font-size:34px;}
    .hero-figure{aspect-ratio:16/11;}
    .hero-float{display:none;}
    .section{padding:0 0 56px;}
    .metric-band{padding-bottom:56px;}
    .sec-head h2{font-size:26px;}
    .metric-strip{grid-template-columns:1fr 1fr;gap:12px;padding:16px;}
    .cap-grid{grid-template-columns:1fr;}
    .cap-card.tall{grid-row:auto;}
    .cta-bar{padding-bottom:56px;}
    .cta-copy h2{font-size:24px;}
    .cta-inner{padding:28px;border-radius:var(--r-card);}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1;min-width:140px;}
    .site-footer{padding-top:48px;}
    .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
    .footer-bottom{flex-direction:column;}
    .z-block{padding:20px;}
    .z-copy h3{font-size:19px;}
    .cap-card{padding:22px;}
  }
  @media (max-width:519px){
    .cat-hero h1{font-size:30px;line-height:1.25;}
    .hero-actions .btn{width:100%;}
    .metric-strip{grid-template-columns:1fr;}
    .brand-text{font-size:14px;}
    .nav-bar{padding:0 16px;gap:12px;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category3 */
:root{
  --c-brand-900:#0B2B26;
  --c-brand-700:#0E5C4B;
  --c-brand-600:#0E8A67;
  --c-brand-400:#12B58A;
  --c-accent:#FF7B3D;
  --c-cyan:#35E0C4;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --border:#E3E6E1;
  --text:#16211D;
  --muted:#5A6B64;
  --disabled:#98A39E;
  --grad:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
  --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
  --r-card:24px;
  --r-hero:28px;
  --r-inner:16px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,43,38,.06);
  --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
  --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-brand-700);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,138,103,.35);border-radius:6px;}
body ::-webkit-scrollbar{width:10px;height:10px;}
body ::-webkit-scrollbar-thumb{background:#C9D2CC;border-radius:999px;}
body ::-webkit-scrollbar-track{background:transparent;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.nav-bar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:24px;height:64px;
  padding-inline:max(24px,calc((100% - 1200px) / 2));
  background:rgba(247,246,242,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px -8px rgba(14,138,103,.8);
}
.brand-mark svg{width:18px;height:18px;stroke:#fff;}
.brand-text{font-size:15px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;padding:6px 0;font-size:14px;color:var(--muted);
  transition:color .12s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;
  background:var(--grad);border-radius:2px;opacity:0;transition:opacity .18s ease;
}
.nav-link:hover{color:var(--c-brand-600);}
.nav-link.active{color:var(--c-brand-900);font-weight:600;}
.nav-link.active::after{opacity:1;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--border);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(14,138,103,.18);}
.search-box svg{width:16px;height:16px;stroke:var(--disabled);flex:0 0 auto;}
.search-box input{
  border:none;outline:none;background:transparent;width:100%;
  font-size:13px;color:var(--text);font-family:inherit;
}
.search-box input::placeholder{color:var(--disabled);}
.kbd{
  font-size:11px;color:var(--muted);background:#F1F2EE;border-radius:6px;
  padding:2px 6px;flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;color:var(--muted);
  transition:background .18s ease,color .18s ease;flex:0 0 auto;
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;}
.icon-btn:hover{background:rgba(14,138,103,.1);color:var(--c-brand-600);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;border:none;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 8px 20px -10px rgba(14,138,103,.85);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--sh-3);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;border:1px solid var(--border);color:var(--c-brand-900);
}
.btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);}
.btn-outline-light{
  background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;
}
.btn-outline-light:hover{border-color:var(--c-cyan);color:var(--c-cyan);transform:translateY(-1px);}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:#fff;color:var(--c-brand-900);
  align-items:center;justify-content:center;flex:0 0 auto;
}
.burger svg{width:20px;height:20px;stroke:currentColor;}
.burger:hover{border-color:var(--c-brand-600);}

.mobile-menu{
  display:none;position:sticky;top:64px;z-index:55;
  background:#fff;border-bottom:1px solid var(--border);
  padding:16px 24px 22px;box-shadow:var(--sh-2);
}
.mobile-menu.open{display:block;}
.mobile-menu .search-box{width:100%;margin-bottom:8px;}
.mobile-menu .m-link{
  display:flex;align-items:center;height:48px;padding:0 4px;
  border-bottom:1px solid var(--border);font-size:15px;color:var(--text);
  min-height:44px;
}
.mobile-menu .m-link.active{color:var(--c-brand-600);font-weight:600;}
.mobile-menu .btn{width:100%;margin-top:16px;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--c-brand-600);}
.crumbs .sep{color:#C9D2CC;}
.crumbs .current{color:var(--disabled);}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:32px 0 56px;}
.page-hero .glow{
  position:absolute;right:-140px;top:-170px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,138,103,.16) 0%,rgba(14,138,103,0) 70%);
  pointer-events:none;
}
.page-hero .arc{
  position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(14,138,103,.16);pointer-events:none;
}
.page-hero .arc-2{
  position:absolute;left:-160px;bottom:-220px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(255,123,61,.14);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-600);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{
  margin-top:20px;font-size:clamp(32px,4vw,50px);line-height:1.15;
  font-weight:700;letter-spacing:-.02em;color:var(--c-brand-900);max-width:820px;
}
.page-hero .hero-sub{
  margin-top:18px;max-width:660px;font-size:16px;line-height:1.85;color:var(--muted);
}
.hero-search{
  display:flex;align-items:center;gap:10px;
  width:100%;max-width:480px;height:52px;margin-top:28px;
  padding:0 12px 0 16px;background:#fff;border:1px solid var(--border);
  border-radius:16px;box-shadow:var(--sh-2);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.hero-search:focus-within{
  border-color:var(--c-brand-600);
  box-shadow:0 0 0 3px rgba(14,138,103,.18),var(--sh-2);
}
.hero-search svg{width:18px;height:18px;stroke:var(--disabled);flex:0 0 auto;}
.hero-search input{
  flex:1;min-width:0;border:none;outline:none;background:transparent;
  font-size:15px;font-family:inherit;color:var(--text);
}
.hero-search input::placeholder{color:var(--disabled);}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;}
.hot-tags .label{font-size:13px;color:var(--disabled);}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--muted);transition:all .18s ease;
}
.tag-pill:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);}

/* ---------- 主体布局 ---------- */
.faq-section{padding:8px 0 96px;}
.faq-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:36px;align-items:start;
}
.faq-group{margin-bottom:52px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.group-num{
  font-size:28px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-variant-numeric:tabular-nums;
}
.group-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;color:var(--c-brand-900);}
.group-count{
  margin-left:auto;font-size:12px;font-weight:600;color:var(--c-brand-600);
  background:rgba(14,138,103,.1);border-radius:999px;padding:4px 12px;
  font-variant-numeric:tabular-nums;
}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--c-brand-600);}
.faq-item.open{border-color:var(--c-brand-600);box-shadow:var(--sh-2);}
.faq-heading{margin:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--c-brand-700);}
.faq-icon{
  width:26px;height:26px;border-radius:999px;background:var(--grad);
  position:relative;flex:0 0 auto;transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:#fff;border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .2s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);
}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.side-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.side-card-body{padding:24px;}
.side-card h3{font-size:19px;font-weight:700;color:var(--c-brand-900);letter-spacing:-.01em;}
.side-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.side-list li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:var(--muted);
}
.side-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--c-brand-400);
}
.side-card .btn{width:100%;margin-top:20px;}
.side-note{
  margin-top:12px;font-size:12px;line-height:1.7;color:var(--disabled);
}
.side-mini{
  border:1.5px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);
}
.side-mini .num{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.side-mini .cap{margin-top:6px;font-size:13px;color:var(--muted);}
.side-mini .row{display:flex;align-items:baseline;gap:6px;}
.side-mini .unit{font-size:13px;color:var(--muted);}
.badge-accent{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:600;
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--grad-dark);border-radius:var(--r-hero);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;box-shadow:var(--sh-2);
}
.cta-inner::before{
  content:"";position:absolute;right:-100px;top:-140px;width:360px;height:360px;
  border-radius:50%;border:1px solid rgba(53,224,196,.22);pointer-events:none;
}
.cta-inner::after{
  content:"";position:absolute;left:-80px;bottom:-180px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(53,224,196,.18) 0%,rgba(53,224,196,0) 70%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:560px;}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;letter-spacing:-.01em;}
.cta-text p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--c-brand-900);
  padding:64px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;
  font-size:16px;font-weight:700;margin-bottom:16px;
}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px;}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.55);}
.f-col-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:10px;}
.f-links a{color:rgba(255,255,255,.7);font-size:14px;transition:color .18s ease;}
.f-links a:hover{color:var(--c-cyan);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.55);
  line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-links{gap:20px;}
  .search-box{width:180px;}
}
@media (max-width:1180px){
  .search-box{display:none;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-right .icon-btn{display:none;}
  .nav-right .btn-sm{display:none;}
  .burger{display:inline-flex;}
  .nav-bar{height:60px;}
  .mobile-menu{top:60px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .wrap{padding:0 20px;}
  .nav-bar{padding-inline:20px;gap:12px;}
  .brand-text{font-size:14px;}
  .page-hero{padding:20px 0 40px;}
  .page-hero h1{margin-top:16px;}
  .hero-search{max-width:100%;height:50px;margin-top:22px;}
  .faq-section{padding-bottom:64px;}
  .faq-group{margin-bottom:40px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .side-card-body{padding:20px;}
  .cta-inner{padding:32px 24px;}
  .cta-band{padding-bottom:64px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .hot-tags{gap:8px;}
  .tag-pill{height:30px;padding:0 12px;font-size:12.5px;}
  .group-head{flex-wrap:wrap;gap:10px;}
  .group-count{margin-left:0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:140px;}
}

/* roulang page: category4 */
:root{
  --c-brand-900:#0B2B26;
  --c-brand-700:#0E5C4B;
  --c-brand-600:#0E8A67;
  --c-brand-400:#12B58A;
  --c-accent:#FF7B3D;
  --c-cyan:#35E0C4;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-ink:#16211D;
  --c-muted:#5A6B64;
  --c-disabled:#98A39E;
  --c-line:#E3E6E1;
  --c-soft:#F1F2EE;
  --grad-brand:linear-gradient(120deg,#0E8A67 0%,#12B58A 48%,#35E0C4 100%);
  --grad-dark:linear-gradient(135deg,#0B2B26 0%,#0E5C4B 100%);
  --r-card:24px;
  --r-hero:28px;
  --r-inner:16px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,43,38,.06);
  --sh-2:0 12px 32px -12px rgba(11,43,38,.18);
  --sh-3:0 20px 44px -16px rgba(11,43,38,.26);
  --focus-ring:0 0 0 3px rgba(14,138,103,.35);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
.site-body *,.site-body *::before,.site-body *::after{box-sizing:border-box;}
.site-body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
.site-body img{display:block;max-width:100%;border:0;}
.site-body a{color:inherit;text-decoration:none;}
.site-body button{font-family:inherit;border:0;background:none;cursor:pointer;}
.site-body input{font-family:inherit;}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;}
.site-body a:focus-visible,.site-body button:focus-visible,.site-body input:focus-visible{
  outline:2px solid var(--c-brand-600);
  outline-offset:2px;
  box-shadow:var(--focus-ring);
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-bar{
  height:64px;max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:10px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-size:15px;font-weight:700;letter-spacing:-.01em;
  color:var(--c-brand-900);white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:4px;}
.nav-link{
  position:relative;display:block;
  font-size:14px;color:var(--c-muted);
  padding:19px 0;transition:color .12s ease;
}
.nav-link:hover{color:var(--c-brand-600);}
.nav-link.active{color:var(--c-brand-900);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad-brand);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-input);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box:focus-within{border-color:var(--c-brand-600);box-shadow:var(--focus-ring);}
.search-box svg{width:16px;height:16px;flex:none;stroke:var(--c-disabled);}
.search-box input{
  flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:13px;color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-disabled);}
.kbd{
  flex:none;font-size:11px;color:var(--c-muted);
  background:var(--c-soft);border-radius:6px;padding:2px 5px;line-height:1.4;
}
.icon-btn{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-muted);transition:background .16s ease,color .16s ease;
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;}
.icon-btn:hover{background:rgba(14,138,103,.1);color:var(--c-brand-600);}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--c-brand-900);
  border:1px solid var(--c-line);background:#fff;
}
.burger svg{width:20px;height:20px;stroke:currentColor;fill:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease,filter .16s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-3);filter:brightness(1.04);}
.btn-primary:active{transform:none;box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-brand-900);}
.btn-ghost:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:none;}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- breadcrumb ---------- */
.crumbs{padding:20px 0 0;}
.crumbs-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.crumbs-inner a{color:var(--c-muted);transition:color .16s ease;}
.crumbs-inner a:hover{color:var(--c-brand-600);}
.crumbs-sep{color:#C9D2CC;}
.crumbs-current{color:var(--c-ink);}

/* ---------- hero ---------- */
.hero-cat{padding:28px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-700);
  font-size:13px;font-weight:600;letter-spacing:0;
}
.hero-title{
  margin-top:18px;
  font-size:clamp(30px,4vw,50px);
  line-height:1.16;font-weight:700;letter-spacing:-.02em;
  color:var(--c-brand-900);
}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.65;font-weight:500;color:var(--c-ink);}
.hero-p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-muted);max-width:58ch;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(14,138,103,.1);color:var(--c-brand-700);
  font-size:12px;font-weight:600;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
}
.hero-figure{
  position:relative;height:320px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:#E8EDE8;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--grad-brand);opacity:.15;mix-blend-mode:multiply;
}
.hero-figure::before{
  content:"";position:absolute;z-index:1;left:-70px;bottom:-70px;
  width:220px;height:220px;border-radius:50%;
  border:2px solid rgba(255,255,255,.55);
}

/* ---------- sections ---------- */
.section{padding:0 0 88px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.sec-title{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.02em;color:var(--c-brand-900);}
.sec-desc{margin-top:8px;font-size:15px;color:var(--c-muted);max-width:62ch;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand-600);transition:color .16s ease;}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;transition:transform .16s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-muted);
  font-size:14px;font-weight:500;
  transition:border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.pill:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);}
.pill.is-active{
  background:var(--grad-brand);border-color:transparent;color:#fff;
  font-weight:600;box-shadow:var(--sh-2);
}
.pill.is-active:hover{color:#fff;transform:translateY(-1px);}

/* ---------- news grid ---------- */
.grid-news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-news{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-news:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:var(--c-brand-600);}
.card-news:hover .card-title{color:var(--c-brand-600);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8EDE8;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card-news:hover .card-media img{transform:scale(1.03);}
.card-cat{
  position:absolute;top:12px;left:12px;z-index:1;
  height:26px;padding:0 10px;display:inline-flex;align-items:center;
  border-radius:999px;background:rgba(255,255,255,.92);
  color:var(--c-brand-600);font-size:12px;font-weight:600;
}
.card-body{display:flex;flex-direction:column;gap:8px;flex:1;padding:20px 22px 22px;}
.card-title{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .16s ease;
}
.card-excerpt{
  font-size:14px;line-height:1.75;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9D2CC;}
.card-meta .arrow{margin-left:auto;display:inline-flex;color:var(--c-brand-600);}
.card-meta .arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;transition:transform .16s ease;}
.card-news:hover .card-meta .arrow svg{transform:translateX(3px);}
.card-feature{grid-column:span 2;}
.card-feature .card-media{aspect-ratio:21/9;}
.card-feature .card-title{font-size:24px;line-height:1.35;}
.card-feature .card-body{padding:24px 26px 26px;}

/* ---------- pager ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px;flex-wrap:wrap;}
.page-btn{
  min-width:44px;height:44px;padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-muted);
  transition:border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.page-btn:hover{border-color:var(--c-brand-600);color:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
.page-btn.is-current{background:var(--grad-brand);border-color:transparent;color:#fff;font-weight:600;box-shadow:var(--sh-2);}
.page-btn.is-current:hover{color:#fff;}

/* ---------- notice bar ---------- */
.notice-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:26px 28px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.notice-title{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-brand-900);}
.notice-text{margin-top:6px;font-size:14px;line-height:1.8;color:var(--c-muted);max-width:62ch;}

/* ---------- cta band ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-dark);color:#fff;
  border-radius:var(--r-hero);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;
  border-radius:50%;border:2px solid rgba(53,224,196,.32);pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em;max-width:22ch;}
.cta-text{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.74);max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--c-brand-900);color:#fff;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:34ch;}
.footer-contact{margin-top:18px;font-size:13px;line-height:2;color:rgba(255,255,255,.55);}
.f-col-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:12px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .16s ease;}
.f-links a:hover{color:var(--c-cyan);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 30px;font-size:12px;line-height:1.8;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links{gap:20px;}
  .search-box{width:180px;}
}
@media (max-width:1024px){
  .grid-news{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-feature{grid-column:span 2;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-figure{height:260px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-links{display:none;}
  .search-box{display:none;}
  .icon-btn{display:none;}
  .burger{display:flex;}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:64px;
    background:#fff;border-bottom:1px solid var(--c-line);
    padding:12px 24px 20px;box-shadow:var(--sh-2);
  }
  .nav-links.open .nav-link{
    padding:14px 0;border-bottom:1px solid var(--c-line);font-size:15px;
  }
  .nav-links.open .nav-link.active::after{display:none;}
  .mobile-search{align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:12px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-input);}
  .nav-links.open .mobile-search{display:flex;}
  .mobile-search svg{width:16px;height:16px;flex:none;stroke:var(--c-disabled);fill:none;}
  .mobile-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--c-ink);}
}
@media (max-width:768px){
  .hero-cat{padding:20px 0 44px;}
  .section,.cta-wrap{padding-bottom:60px;}
  .sec-title{font-size:24px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px;}
  .cta-title{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .notice-bar{flex-direction:column;align-items:flex-start;padding:22px;}
  .footer-top{padding:48px 0 32px;}
}
@media (max-width:640px){
  .wrap,.nav-bar{padding-left:20px;padding-right:20px;}
  .nav-bar{height:56px;}
  .brand-text{font-size:14px;}
  .nav-links.open{top:56px;padding:12px 20px 20px;}
  .hero-title{font-size:32px;}
  .hero-sub{font-size:16px;}
  .hero-figure{height:210px;border-radius:20px;}
  .grid-news{grid-template-columns:1fr;}
  .card-feature{grid-column:span 1;}
  .card-feature .card-media{aspect-ratio:16/9;}
  .card-feature .card-title{font-size:20px;}
  .card-feature .card-body{padding:20px;}
  .card-body{padding:18px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:375px){
  .hero-title{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .pill{height:36px;padding:0 14px;font-size:13px;}
}