/* roulang page: index */
:root{
  --brand:#14526E;
  --brand-dark:#0E3A4E;
  --accent:#E8792B;
  --accent-dark:#D26A20;
  --accent-soft:#FCEDE1;
  --accent-text:#B85A16;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --text:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 2px 6px rgba(16,42,58,.05),0 10px 24px rgba(16,42,58,.06);
  --shadow-md:0 4px 10px rgba(16,42,58,.08),0 16px 34px rgba(16,42,58,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--accent-text);
  background:var(--accent-soft);border-radius:999px;padding:5px 12px;font-weight:500;
  margin-bottom:16px;
}
.section-title{font-size:30px;line-height:1.25;font-weight:600;color:var(--text);letter-spacing:-.01em;}
.section-desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);max-width:640px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--brand);
  transition:color .18s ease;
}
.link-more svg{transition:transform .18s ease;}
.link-more:hover{color:var(--accent);}
.link-more:hover svg{transform:translateX(4px);}
.link-more:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 6px rgba(232,121,43,.24);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;
  color:#fff;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 24px rgba(14,58,78,.12);
  transition:height .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  color:var(--text);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(16,42,58,.06);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;flex:0 0 auto;
}
.logo-text{font-size:19px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;justify-content:center;gap:30px;flex:1 1 auto;}
.nav-links a{
  position:relative;font-size:15px;padding:6px 0;font-weight:500;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;border-radius:2px;
}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid currentColor;color:inherit;opacity:.9;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.site-header.is-stuck .icon-btn{border-color:var(--line);}
.icon-btn:hover{background:rgba(232,121,43,.14);color:var(--accent);border-color:var(--accent);}
.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.nav-search{
  display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 16px;
}
.nav-search.is-open{display:flex;}
.nav-search input{
  border:0;outline:none;background:transparent;width:150px;height:32px;
  font-size:14px;color:var(--text);
}
.nav-search button{
  height:32px;padding:0 14px;border-radius:999px;background:var(--brand);color:#fff;font-size:13px;
}
.nav-search button:hover{background:var(--accent);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:9px;
  align-items:center;justify-content:center;color:inherit;
  border:1px solid currentColor;
}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.mobile-drawer{
  position:fixed;top:0;left:0;right:0;z-index:119;
  background:#fff;color:var(--text);
  padding:88px 24px 28px;
  transform:translateY(-100%);transition:transform .26s ease;
  box-shadow:0 20px 40px rgba(16,42,58,.14);
  border-bottom:1px solid var(--line);
}
.mobile-drawer.is-open{transform:translateY(0);}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:18px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:hover{color:var(--brand);}
.mobile-drawer .btn{width:100%;margin-top:20px;}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:76vh;min-height:560px;
  display:flex;align-items:center;
  padding:132px 0 40px;
  overflow:hidden;
  background:#0E3A4E;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.01);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,58,78,.86) 0%,rgba(14,58,78,.35) 35%,rgba(14,58,78,.28) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-copy{max-width:620px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:#fff;font-weight:500;
  background:rgba(232,121,43,.9);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero h1{
  font-size:46px;line-height:1.22;font-weight:600;color:#fff;letter-spacing:-.01em;
}
.hero-sub{
  margin-top:18px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.86);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:64px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-stat{
  padding:0 32px;color:#fff;
  border-left:1px solid rgba(255,255,255,.25);
}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat strong{display:block;font-size:26px;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px;}
.hero-dots{
  position:absolute;right:32px;bottom:44px;z-index:3;display:flex;gap:8px;align-items:center;
}
.hero-dots i{display:block;width:12px;height:4px;border-radius:999px;background:rgba(255,255,255,.42);}
.hero-dots i.on{width:28px;background:var(--accent);}

/* ---------- rail ---------- */
.rail{position:relative;}
.rail-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 12px 0;margin:0 -4px;
  scrollbar-width:none;
}
.rail-track::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rail-card:hover .rail-media img{transform:scale(1.04);}
.badge{
  display:inline-block;font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-text);font-weight:500;
}
.badge--neutral{background:var(--surface-2);color:var(--muted);}
.rail-media .badge{position:absolute;top:12px;left:12px;}
.rail-body{padding:18px 20px 0;flex:1 1 auto;}
.rail-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-body p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-foot{
  margin:16px 20px 0;padding:12px 0 16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--faint);
}
.rail-foot svg{color:var(--brand);}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.rail-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.rail-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- news grid ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D8E3E8;}
.news-card h3{
  margin-top:14px;font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--brand);}
.news-card p{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--faint);
}
.news-meta svg{color:var(--brand);}
.empty-state{
  min-height:160px;border:1px dashed #D6E1E6;border-radius:var(--radius-card);
  background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:28px;text-align:center;grid-column:1/-1;
}
.empty-state svg{color:#AFC0C9;}
.empty-state p{font-size:14px;color:var(--muted);}

/* ---------- feature collage ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.feature-main{
  position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:380px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.feature-main:hover img{transform:scale(1.03);}
.feature-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,58,78,.9) 0%,rgba(14,58,78,.35) 48%,rgba(14,58,78,.05) 100%);
}
.feature-main-body{position:relative;z-index:2;padding:32px;color:#fff;max-width:520px;}
.feature-main-body h3{font-size:22px;line-height:1.4;font-weight:600;margin-top:12px;}
.feature-main-body p{margin-top:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.84);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.side-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.side-card-media{flex:0 0 42%;aspect-ratio:4/3;border-radius:var(--radius-img);overflow:hidden;background:var(--surface-2);}
.side-card-media img{width:100%;height:100%;object-fit:cover;}
.side-card-body{display:flex;flex-direction:column;justify-content:center;}
.side-card-body h3{font-size:17px;line-height:1.45;font-weight:600;}
.side-card-body p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--muted);}
.side-card-body .link-more{margin-top:12px;font-size:13px;}

/* ---------- group lists ---------- */
.group{display:grid;grid-template-columns:3fr 9fr;gap:32px;}
.group-head{padding-right:16px;border-right:1px solid var(--line);}
.group-head h3{font-size:20px;font-weight:600;line-height:1.4;}
.group-head p{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.7;}
.group-item{
  display:flex;align-items:center;gap:20px;padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.group-item:hover{background:var(--bg);}
.group-thumb{flex:0 0 96px;width:96px;height:64px;border-radius:8px;overflow:hidden;background:var(--surface-2);}
.group-thumb img{width:100%;height:100%;object-fit:cover;}
.group-body{flex:1 1 auto;min-width:0;}
.group-body h4{font-size:16px;font-weight:600;line-height:1.5;}
.group-body p{margin-top:4px;font-size:13px;line-height:1.7;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.group-meta{flex:0 0 auto;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--faint);}
.group-meta svg{color:var(--brand);transition:transform .18s ease;}
.group-item:hover .group-meta svg{transform:translateX(4px);}
.group-sep{border:0;border-top:1px solid var(--line);margin:56px 0;}

/* ---------- steps + facts ---------- */
.split{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
.steps{display:grid;gap:18px;}
.step{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-sm);
}
.step-no{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--accent-soft);
  color:var(--accent-text);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5;}
.step p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--muted);}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.fact{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
}
.fact strong{display:block;font-size:30px;font-weight:600;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.fact span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:background-color .18s ease;
}
.faq-item:hover{background:var(--bg);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:500;color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-ico{
  flex:0 0 22px;width:22px;height:22px;position:relative;color:var(--brand);
  transition:transform .24s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-ico::before{left:0;right:0;top:50%;height:1.5px;transform:translateY(-50%);}
.faq-ico::after{top:0;bottom:0;left:50%;width:1.5px;transform:translateX(-50%);transition:opacity .24s ease;}
.faq-item.is-open .faq-ico{transform:rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}

/* ---------- cta ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:0;
  min-height:320px;display:flex;align-items:center;justify-content:center;text-align:center;
}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;}
.cta-bg::after{content:"";position:absolute;inset:0;background:rgba(14,58,78,.78);}
.cta-inner{position:relative;z-index:2;padding:64px 24px;max-width:720px;}
.cta h2{font-size:30px;line-height:1.3;font-weight:600;color:#fff;}
.cta p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);line-height:1.8;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.76);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:280px;color:rgba(255,255,255,.66);}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.75;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact svg{flex:0 0 16px;margin-top:4px;color:rgba(255,255,255,.55);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .section{padding:64px 0;}
  .section-title{font-size:26px;}
  .hero{min-height:520px;padding:120px 0 36px;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16px;}
  .hero-dots{display:none;}
  .rail-nav{display:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{min-height:320px;}
  .feature-side{grid-template-rows:auto auto;}
  .group{grid-template-columns:1fr;gap:20px;}
  .group-head{border-right:0;border-left:3px solid var(--accent);padding:0 0 0 14px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-title{font-size:23px;}
  .hero{min-height:460px;padding:112px 0 32px;}
  .hero h1{font-size:30px;}
  .hero-tag{font-size:11px;}
  .hero-stats{margin-top:40px;}
  .hero-stat{padding:0 18px;}
  .hero-stat strong{font-size:22px;}
  .hero-stat span{font-size:12px;}
  .rail-card{flex:0 0 260px;}
  .news-grid{grid-template-columns:1fr;}
  .side-card{flex-direction:column;}
  .side-card-media{flex:1 1 auto;aspect-ratio:16/9;}
  .group-item{gap:14px;padding:16px 6px;}
  .group-thumb{flex:0 0 80px;width:80px;height:56px;}
  .group-body p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .group-meta span{display:none;}
  .facts{grid-template-columns:1fr 1fr;}
  .fact{padding:18px;}
  .fact strong{font-size:24px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;font-size:14px;}
  .cta{min-height:280px;}
  .cta h2{font-size:23px;}
  .cta p{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:419px){
  .hero h1{font-size:26px;}
  .facts{grid-template-columns:1fr;}
  .hero-stat{padding:0 14px;}
}

/* roulang page: article */
:root{
  --brand:#14526E;
  --brand-deep:#0E3A4E;
  --accent:#E8792B;
  --accent-deep:#D26A20;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --text:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --badge-bg:#FCEDE1;
  --badge-fg:#B85A16;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow:0 2px 6px rgba(16,42,58,.05), 0 10px 24px rgba(16,42,58,.06);
  --shadow-hover:0 4px 10px rgba(16,42,58,.08), 0 16px 34px rgba(16,42,58,.10);
  --section:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(16,42,58,.08);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-weight:600;flex-shrink:0;}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;flex-shrink:0;
}
.logo-text{font-size:19px;letter-spacing:.5px;font-weight:600;color:var(--brand-deep);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:#2C3E49;
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.nav-search{display:flex;align-items:center;background:var(--surface-2);border-radius:999px;padding:4px 4px 4px 14px;border:1px solid transparent;transition:border-color .18s ease,background .18s ease;}
.nav-search:focus-within{border-color:var(--brand);background:#fff;}
.nav-search input{
  border:none;background:transparent;outline:none;width:150px;
  font-size:13px;color:var(--text);padding:4px 0;
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search button{
  border:none;background:var(--brand);color:#fff;font-size:12px;
  padding:6px 14px;border-radius:999px;transition:background .18s ease;
}
.nav-search button:hover{background:var(--brand-deep);}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);display:none;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand-deep);display:none;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--surface-2);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand);}
.btn-link svg{transition:transform .18s ease;}
.btn-link:hover svg{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  background:var(--badge-bg);color:var(--badge-fg);font-weight:500;
}
.badge-neutral{background:var(--surface-2);color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb-bar .container{padding-top:16px;padding-bottom:16px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C7D2D8;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--faint);max-width:22ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{background:var(--surface);padding:36px 0 44px;border-bottom:1px solid var(--line);}
.article-head-inner{display:flex;align-items:flex-start;gap:32px;}
.article-head-main{flex:1;min-width:0;}
.article-head h1{
  font-size:34px;line-height:1.32;font-weight:600;color:var(--brand-deep);
  margin:16px 0 18px;letter-spacing:-.2px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.head-tools{display:flex;gap:10px;flex-shrink:0;padding-top:6px;}
.round-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.round-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px);}
.round-btn.is-done{background:var(--accent);border-color:var(--accent);color:#fff;}

/* ---------- 主体布局 ---------- */
.article-main{padding:56px 0 var(--section);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:36px;align-items:start;}
.article-panel{background:var(--surface);border-radius:var(--radius-card);box-shadow:var(--shadow);padding:40px;max-width:800px;}
.article-body{font-size:16px;line-height:1.95;color:var(--text);}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:22px;font-weight:600;color:var(--brand-deep);
  margin:40px 0 16px;padding-left:14px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:18px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:18px;font-weight:600;color:var(--brand-deep);margin:28px 0 12px;line-height:1.5;}
.article-body h4{font-size:16px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;list-style:revert;}
.article-body ul li,.article-body ol li{margin-bottom:.55em;line-height:1.9;}
.article-body ul li::marker{color:var(--brand);}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--surface-2);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#33454F;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:24px 0;width:100%;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--accent);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;font-size:14.5px;
}
.article-body thead th{background:var(--surface-2);color:var(--brand-deep);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body tbody tr:nth-child(even){background:#FAFCFC;}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 20px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--faint);
}
.empty-state p{font-size:15px;color:var(--muted);margin:0;}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border-radius:var(--radius-card);box-shadow:var(--shadow);padding:22px;}
.side-card h2{font-size:16px;font-weight:600;color:var(--brand-deep);margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.side-card h2::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--accent);display:inline-block;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);line-height:1.6;
  padding:9px 10px 9px 13px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.toc-list a:hover{color:var(--brand);background:var(--surface-2);}
.toc-list a.is-active{color:var(--brand);border-left-color:var(--accent);background:var(--surface-2);font-weight:500;}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.side-list a:last-child{border-bottom:none;padding-bottom:0;}
.side-list a:first-child{padding-top:0;}
.side-list img{width:88px;height:60px;object-fit:cover;border-radius:8px;flex-shrink:0;}
.side-list .side-txt{min-width:0;}
.side-list strong{display:block;font-size:14px;font-weight:500;color:var(--text);line-height:1.55;transition:color .16s ease;}
.side-list a:hover strong{color:var(--brand);}
.side-list em{display:block;font-style:normal;font-size:12px;color:var(--faint);margin-top:5px;}
.side-cta{background:var(--brand-deep);color:#fff;border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow);}
.side-cta h2{font-size:17px;font-weight:600;margin:0 0 8px;color:#fff;}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.78);margin:0 0 16px;line-height:1.8;}
.side-cta .btn{width:100%;}

/* ---------- 标签 / 翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--faint);margin-right:4px;}
.tag{
  font-size:12px;padding:6px 12px;border-radius:999px;background:var(--surface-2);
  color:var(--muted);transition:background .16s ease,color .16s ease;
}
.tag:hover{background:var(--badge-bg);color:var(--badge-fg);}

/* ---------- 相关推荐 ---------- */
.section{padding:var(--section) 0;}
.section-head{margin-bottom:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:600;color:var(--brand-deep);}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius-card);
  box-shadow:var(--shadow);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .badge{position:absolute;top:12px;left:12px;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--text);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums;}
.card-foot svg{color:var(--brand);transition:transform .18s ease;}
.card:hover .card-foot svg{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:background .18s ease,border-color .18s ease;
}
.faq-item:hover{background:#FBFDFD;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:500;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-sign{position:relative;width:16px;height:16px;flex-shrink:0;color:var(--brand);transition:transform .2s ease;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-sign::before{left:0;top:7px;width:16px;height:2px;}
.faq-sign::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-sign{transform:rotate(45deg);color:var(--accent);}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 40px;text-align:center;color:#fff;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(14,58,78,.78);}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:28px;font-weight:600;line-height:1.35;margin:0 0 12px;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.85);margin:0 0 26px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:var(--section);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.16);color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:16px 0 20px;max-width:280px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.75;margin-bottom:11px;}
.footer-contact svg{flex-shrink:0;margin-top:4px;color:rgba(255,255,255,.5);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1100px){
  .nav-search input{width:120px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px;}
  .article-panel{padding:32px;}
}
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:64px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 22px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(16,42,58,.14);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:transform .22s ease,opacity .22s ease,visibility .22s;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  body.nav-open .nav-links{transform:none;opacity:1;visibility:visible;}
  .nav-links a{padding:15px 2px;border-bottom:1px solid var(--line);font-size:17px;}
  .nav-links a::after{display:none;}
  .nav-search{display:none;}
  .icon-btn{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  body.nav-open .nav-links::after{
    content:"提交需求";display:block;margin-top:18px;text-align:center;
    background:var(--accent);color:#fff;font-size:15px;font-weight:500;
    padding:14px;border-radius:var(--radius-btn);
  }
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .span-12-m{grid-column:span 1;}
  .side-col{position:static;top:auto;}
  .article-panel{max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--section:56px;}
  .container{padding:0 18px;}
  .nav-inner{padding:0 18px;height:64px;gap:14px;}
  .article-head{padding:26px 0 32px;}
  .article-head h1{font-size:26px;}
  .article-head-inner{gap:0;flex-direction:column;}
  .head-tools{padding-top:18px;}
  .article-panel{padding:24px 20px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:44px 22px;}
  .cta-inner h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .card-grid{grid-template-columns:1fr;}
  .side-list img{width:76px;height:54px;}
}
@media screen and (max-width:480px){
  body{font-size:15px;}
  .article-body{font-size:15px;}
  .article-body p{line-height:1.9;}
  .logo-text{font-size:17px;}
  .btn{height:42px;padding:0 18px;font-size:14px;}
  .breadcrumb .current{max-width:16ch;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --brand:#14526E;
  --brand-deep:#0E3A4E;
  --accent:#E8792B;
  --accent-deep:#D26A20;
  --accent-soft:#FCEDE1;
  --accent-text:#B85A16;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --text:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --r-lg:14px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-sm:0 2px 6px rgba(16,42,58,.05),0 10px 24px rgba(16,42,58,.06);
  --shadow-md:0 4px 10px rgba(16,42,58,.08),0 16px 34px rgba(16,42,58,.10);
  --section-pad:88px;
  --max:1248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;color:var(--text)}
p{margin:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:var(--section-pad) 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(16,42,58,.05);
  transition:background .2s ease,box-shadow .2s ease;
}
.nav-inner{
  max-width:var(--max);margin:0 auto;height:72px;padding:0 24px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-weight:600;font-size:19px;letter-spacing:.02em}
.logo:hover{color:var(--brand-deep)}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;flex:0 0 auto}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:8px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:4px 4px 4px 14px;transition:border-color .18s ease,background .18s ease}
.nav-search:focus-within{background:#fff;border-color:var(--brand)}
.nav-search input{width:168px;height:30px;border:0;background:transparent;outline:none;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:var(--faint)}
.nav-search button{height:30px;padding:0 14px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:13px;transition:background .18s ease}
.nav-search button:hover{background:var(--brand-deep)}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);transition:all .18s ease}
.icon-btn:hover{border-color:var(--brand);background:var(--brand);color:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);place-items:center}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;left:0;right:0;top:0;z-index:190;
  background:#fff;padding:88px 24px 32px;
  transform:translateY(-102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  box-shadow:0 20px 40px rgba(16,42,58,.14);
  max-height:100vh;overflow:auto;
}
.nav-drawer.is-open{transform:translateY(0)}
.nav-drawer a.drawer-link{display:flex;align-items:center;height:48px;font-size:18px;color:var(--text);border-bottom:1px solid var(--line)}
.nav-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600}
.nav-drawer .btn{width:100%;margin-top:24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,121,43,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);border-color:#fff}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand)}
.link-more svg{transition:transform .18s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-text);font-size:12px;font-weight:500;line-height:1;
}
.badge--neutral{background:var(--surface-2);color:var(--muted)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;
}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}

/* ============ 页头 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:22px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--faint)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--muted)}

.page-hero{background:linear-gradient(180deg,#FFFFFF 0%,#F5F7F8 100%);padding:44px 0 64px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:40px;letter-spacing:-.01em;margin-top:14px;color:var(--brand-deep)}
.page-hero .lede{margin-top:16px;max-width:640px;font-size:16px;line-height:1.9;color:var(--muted)}
.hero-visual{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--surface-2)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual figcaption{font-size:12px;color:var(--faint);padding:10px 14px;background:#fff}

/* ============ 锚点索引 + 行式条目 ============ */
.anchor-nav{position:sticky;top:96px}
.anchor-nav .anchor-title{font-size:12px;letter-spacing:.12em;color:var(--faint);margin-bottom:14px;font-weight:500}
.anchor-nav a{
  display:block;padding:10px 14px;border-left:2px solid var(--line);
  font-size:14px;color:var(--muted);transition:all .18s ease;
}
.anchor-nav a:hover{color:var(--brand);background:var(--surface-2);border-left-color:var(--brand)}
.anchor-nav a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--accent);background:#fff}

.entry{display:flex;align-items:flex-start;gap:36px;padding-bottom:56px;margin-bottom:56px;border-bottom:1px solid var(--line)}
.entry:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0}
.entry.is-reverse{flex-direction:row-reverse}
.entry-media{flex:0 0 40%;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2)}
.entry-media img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform .3s ease}
.entry:hover .entry-media img{transform:scale(1.03)}
.entry-body{flex:1 1 auto;min-width:0}
.entry-num{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.entry-body h3{font-size:20px;margin:10px 0 12px}
.entry-body p{font-size:15px;color:var(--muted);line-height:1.9}
.entry-body ul{margin-top:16px;display:grid;gap:8px}
.entry-body ul li{position:relative;padding-left:16px;font-size:14px;color:var(--muted)}
.entry-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ 服务组合 ============ */
.package-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.package-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:340px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-sm);
}
.package-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.package-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,58,78,.1) 0%,rgba(14,58,78,.86) 100%)}
.package-main .package-body{position:relative;z-index:2;padding:32px;color:#fff}
.package-main h3{color:#fff;font-size:22px;margin-bottom:10px}
.package-main p{color:rgba(255,255,255,.86);font-size:14px;max-width:440px}
.package-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.package-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:all .18s ease;display:flex;flex-direction:column;justify-content:space-between}
.package-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6E2E7}
.package-card h3{font-size:17px;margin-bottom:8px}
.package-card p{font-size:14px;color:var(--muted)}
.package-card .link-more{margin-top:16px}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;position:relative}
.step-num{
  width:34px;height:34px;border-radius:999px;background:var(--accent-soft);color:var(--accent-text);
  display:grid;place-items:center;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 数据 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px}
.stat-num{font-size:30px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:15px;font-weight:500;margin-left:4px;color:var(--muted)}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:background .18s ease}
.faq-item:hover{background:#FBFCFC}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--text);line-height:1.6;
}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .2s ease;display:grid;place-items:center}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 20px 20px;margin-top:2px;border-top:1px solid var(--line);padding-top:14px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:0;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:0;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(14,58,78,.78)}
.cta-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:72px 24px;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.cta-inner h2{color:#fff;font-size:30px}
.cta-inner p{color:rgba(255,255,255,.86);margin-top:14px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .logo{color:#fff;font-size:18px;margin-bottom:16px}
.site-footer .logo-mark{background:rgba(255,255,255,.16)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:34px;height:34px;border-radius:999px;border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;color:rgba(255,255,255,.8);transition:all .18s ease}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);align-items:flex-start}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:rgba(255,255,255,.5)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .footer-links{display:flex;gap:18px}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .nav-search input{width:130px}
  .nav-links{gap:20px}
}
@media screen and (max-width:1023px){
  :root{--section-pad:64px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-actions{margin-left:auto}
  .page-hero h1{font-size:32px}
  .package-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
  .anchor-nav .anchor-title{width:100%}
  .anchor-nav a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13px;background:#fff}
  .anchor-nav a.is-current{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-text)}
}
@media screen and (max-width:767px){
  :root{--section-pad:56px}
  .container{padding:0 16px}
  .grid-x.grid-padding-x{margin-left:-8px;margin-right:-8px}
  .grid-x.grid-padding-x>.cell{padding-left:8px;padding-right:8px}
  .nav-inner{padding:0 16px;height:64px}
  .logo{font-size:17px}
  .nav-actions .btn-sm{display:none}
  .page-hero{padding:28px 0 44px}
  .page-hero h1{font-size:28px}
  .page-hero .lede{font-size:15px}
  .entry,.entry.is-reverse{flex-direction:column;gap:20px;padding-bottom:40px;margin-bottom:40px}
  .entry-media{flex:1 1 auto;width:100%}
  .entry-body h3{font-size:18px}
  .step-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:20px 16px}
  .stat-num{font-size:26px}
  .package-main .package-body{padding:24px}
  .package-main h3{font-size:19px}
  .cta-inner{padding:56px 20px}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:12px 16px 18px;font-size:14px}
}
@media screen and (max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .hero-visual img{aspect-ratio:16/11}
}

/* roulang page: category2 */
:root{
  --primary:#14526E;
  --primary-deep:#0E3A4E;
  --accent:#E8792B;
  --accent-deep:#D26A20;
  --accent-soft:#FCEDE1;
  --accent-text:#B85A16;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --text:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 2px 6px rgba(16,42,58,.05),0 10px 24px rgba(16,42,58,.06);
  --shadow-lg:0 4px 10px rgba(16,42,58,.08),0 16px 34px rgba(16,42,58,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
table{border-collapse:collapse;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:600;color:var(--primary-deep);}
.section-head p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:8px;}
.section-note{font-size:12px;color:var(--faint);letter-spacing:.4px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1px;color:var(--accent-text);background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:16px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:72px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px) saturate(150%);
  transition:height .2s ease,box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{height:64px;box-shadow:0 2px 12px rgba(16,42,58,.09);background:#fff;}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary-deep);flex:none;}
.logo:hover{color:var(--primary);}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none;}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.6px;color:currentColor;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;font-size:15px;color:var(--text);border-radius:8px;transition:color .18s ease,background .18s ease;}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;}
.nav-links a:hover{color:var(--primary);background:var(--surface-2);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--primary);font-weight:600;}
.nav-links .drawer-cta{display:none;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-search{display:none;align-items:center;gap:6px;}
.nav-search.is-open{display:flex;}
.nav-search input{
  width:200px;height:40px;padding:0 12px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:var(--surface-2);color:var(--text);
  transition:border-color .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search input:focus{border-color:var(--primary);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(232,121,43,.16);}
.nav-search button{
  height:40px;padding:0 14px;border:1px solid var(--primary);background:transparent;
  color:var(--primary);border-radius:var(--radius-btn);font-size:14px;transition:all .18s ease;
}
.nav-search button:hover{background:var(--primary);color:#fff;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--primary);
  transition:all .18s ease;
}
.icon-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--primary-deep);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:all .18s ease;white-space:nowrap;
}
.btn svg{transition:transform .18s ease;}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--primary-deep);border-color:#fff;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary);}
.text-link svg{transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-text);font-weight:500;
}
.badge.neutral{background:var(--surface-2);color:var(--muted);}

/* ---------- 页头 ---------- */
.page-hero{padding:40px 0 0;background:linear-gradient(180deg,#EEF3F5 0%,var(--bg) 100%);}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--faint);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--line);}
.crumbs a{color:var(--faint);}
.crumbs a:hover{color:var(--primary);}
.page-head-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding:32px 0 64px;}
.page-head-copy h1{font-size:32px;line-height:1.25;font-weight:600;color:var(--primary-deep);}
.page-head-copy .lead{font-size:16px;color:var(--muted);margin-top:16px;max-width:540px;}
.page-head-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:4/3;}
.page-head-media img{width:100%;height:100%;object-fit:cover;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--muted);transition:all .18s ease;
}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:500;}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-active:hover{color:#fff;}

/* ---------- 杂志网格 ---------- */
.mosaic{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.m-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.m-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D6E1E6;}
.m-card.wide{grid-column:1/-1;flex-direction:row;}
.m-card .thumb{position:relative;overflow:hidden;background:var(--surface-2);}
.m-card.wide .thumb{flex:none;width:52%;aspect-ratio:16/10;}
.m-card:not(.wide) .thumb{aspect-ratio:1/1;}
.m-card.tall .thumb{aspect-ratio:4/3;}
.m-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.m-card:hover .thumb img{transform:scale(1.03);}
.m-card .thumb .badge{position:absolute;top:14px;left:14px;}
.m-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.m-card h3{font-size:17px;line-height:1.45;font-weight:600;color:var(--text);}
.m-card:hover h3{color:var(--primary);}
.m-card p{font-size:14px;line-height:1.75;color:var(--muted);}
.m-card .meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--faint);
}
.m-card .meta svg{color:var(--primary);transition:transform .18s ease;}
.m-card:hover .meta svg{transform:translateX(4px);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 20px;transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:32px;height:32px;border-radius:999px;background:var(--accent-soft);
  color:var(--accent-text);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin:14px 0 8px;color:var(--primary-deep);}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{background:var(--surface);border-radius:var(--radius-card);padding:24px;border:1px solid var(--line);}
.stat .num{font-size:30px;font-weight:600;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat .label{font-size:13px;color:var(--muted);margin-top:6px;}
.stat .desc{font-size:13px;color:var(--faint);margin-top:10px;padding-top:10px;border-top:1px solid var(--line);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:#D6E1E6;box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--text);line-height:1.6;
}
.faq-q:hover{background:var(--bg);}
.faq-icon{flex:none;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--primary);transition:transform .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 20px 20px;border-top:1px solid var(--line);margin-top:0;padding-top:14px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;min-height:240px;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:56px 24px;
  background:linear-gradient(rgba(14,58,78,.82),rgba(14,58,78,.82)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:600;color:#fff;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);margin-top:12px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:280px;color:rgba(255,255,255,.66);}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8);transition:all .18s ease;
}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-contact svg{flex:none;margin-top:4px;color:rgba(255,255,255,.5);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:0;margin:0;padding:8px 20px 24px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(16,42,58,.12);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .site-header.is-scrolled .nav-links{top:64px;}
  .nav-links.is-open{display:flex;}
  .nav-links a{height:48px;padding:0;font-size:18px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-links a::after{display:none;}
  .nav-links a:hover{background:transparent;}
  .nav-links .drawer-cta{
    display:inline-flex;margin-top:20px;height:48px;border:0;border-radius:var(--radius-btn);
    align-items:center;justify-content:center;background:var(--accent);color:#fff;font-size:16px;
  }
  .nav-links .drawer-cta:hover{color:#fff;}
  .nav-search,.icon-btn{display:none !important;}
  .nav-toggle{display:inline-flex;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .page-head-media{max-width:520px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .m-card.wide{flex-direction:column;}
  .m-card.wide .thumb{width:100%;aspect-ratio:16/9;}
}
@media (max-width:767px){
  body{padding-top:64px;}
  .site-header{height:64px;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .container{padding:0 18px;}
  .nav-inner{padding:0 18px;}
  .logo-text{font-size:17px;}
  .page-head-copy h1{font-size:26px;}
  .section-head h2{font-size:24px;}
  .mosaic{grid-template-columns:1fr;gap:18px;}
  .m-card.wide{grid-column:auto;}
  .m-card:not(.wide) .thumb,.m-card.tall .thumb{aspect-ratio:16/10;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .cta-band h2{font-size:24px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a-inner{padding:0 16px 16px;}
}
@media (max-width:519px){
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .chips{gap:8px;}
  .chip{height:32px;padding:0 12px;font-size:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand:#14526E;
  --brand-deep:#0E3A4E;
  --accent:#E8792B;
  --accent-hover:#D26A20;
  --accent-soft:#FCEDE1;
  --accent-text:#B85A16;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --ink:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 6px rgba(16,42,58,.05),0 10px 24px rgba(16,42,58,.06);
  --shadow-2:0 4px 10px rgba(16,42,58,.08),0 16px 34px rgba(16,42,58,.10);
  --section-pad:88px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--header-h);
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;line-height:1.4;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.section{padding:var(--section-pad) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:30px;letter-spacing:.2px}
.section-head .desc{margin-top:8px;font-size:14px;color:var(--faint);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand);white-space:nowrap}
.link-more svg{transition:transform .18s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,42,58,.08);background:rgba(255,255,255,.98)}
.nav-inner{
  width:min(1200px,calc(100% - 48px));margin:0 auto;
  height:var(--header-h);
  display:flex;align-items:center;gap:24px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);flex:0 0 auto}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(20,82,110,.24);
}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.5px;color:currentColor}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--brand);background:var(--surface-2)}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{display:none;align-items:center;gap:6px}
.nav-search.is-open{display:flex}
.nav-search input{
  height:38px;width:210px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--faint)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,121,43,.18)}
.nav-search button{
  height:38px;padding:0 14px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;font-size:14px;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--surface-2)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(232,121,43,.24)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,121,43,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px)}
.btn-outline{background:var(--surface);border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-text);
  font-size:12px;font-weight:500;line-height:1.5;
}
.badge-neutral{background:var(--surface-2);color:var(--muted)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(180deg,rgba(14,58,78,.74),rgba(14,58,78,.88)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  color:#fff;padding:64px 0 68px;
}
.page-hero .breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.page-hero h1{
  color:#fff;font-size:36px;line-height:1.28;max-width:840px;letter-spacing:.3px;
}
.page-hero .lead{
  margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.84);max-width:660px;
}
.page-hero .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.page-hero .hero-tags span{
  border:1px solid rgba(255,255,255,.3);border-radius:999px;
  padding:5px 14px;font-size:13px;color:rgba(255,255,255,.88);
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:relative;z-index:2;
}
.filter-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px 0;flex-wrap:wrap;
}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);font-size:14px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.filter-note{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}

/* ---------- 资讯卡片 ---------- */
.card-grid{margin-left:-12px;margin-right:-12px}
.card-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6E0E5}
.info-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.info-card:hover .thumb img{transform:scale(1.03)}
.info-card .thumb .badge{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.95);color:var(--accent-text);
  box-shadow:0 2px 8px rgba(16,42,58,.12);
}
.info-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.info-card h3{font-size:17px;line-height:1.5}
.info-card h3 a{color:var(--ink)}
.info-card h3 a:hover{color:var(--brand)}
.info-card .excerpt{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums;
}
.card-meta .arrow{color:var(--brand);transition:transform .18s ease}
.info-card:hover .card-meta .arrow{transform:translateX(4px)}

/* ---------- 数据卡 ---------- */
.stat-panel{background:var(--surface-2);border-radius:var(--radius-card);padding:40px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;transition:transform .18s ease,box-shadow .18s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-1)}
.stat strong{
  display:block;font-size:30px;font-weight:600;color:var(--brand);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}

/* ---------- 专题 ---------- */
.feature-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.feature-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);background:var(--surface-2)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-body h2{font-size:30px;margin-bottom:16px}
.feature-body p{font-size:15px;line-height:1.9;color:var(--muted)}
.feature-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;font-size:14px;color:var(--ink);line-height:1.75;
}
.feature-list .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:var(--accent-soft);color:var(--accent-text);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:background .18s ease,border-color .18s ease;
}
.faq-item:hover{background:var(--bg)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:500;color:var(--ink);text-align:left;
}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease,background .18s ease;
}
.faq-icon::before{left:9px;top:3px;width:2px;height:14px}
.faq-icon::after{top:9px;left:3px;height:2px;width:14px}
.faq-item.is-open .faq-icon::before{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-icon::after{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{
  margin:0;padding:14px 20px 20px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  background-image:linear-gradient(180deg,rgba(14,58,78,.78),rgba(14,58,78,.88)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  min-height:240px;display:flex;align-items:center;justify-content:center;
  padding:48px 32px;text-align:center;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.3}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-pad);
  background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.1fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);box-shadow:none}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.8);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.socials a:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:#fff}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);margin-bottom:12px;
}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:rgba(255,255,255,.55)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--section-pad:64px}
  .nav-search{display:none!important}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;left:0;right:0;top:var(--header-h);
    display:none;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:8px 20px 24px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(16,42,58,.14);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:14px 4px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a.is-active::after{display:none}
  .nav-links a.is-active{color:var(--accent)}
  .nav-actions .btn-sm{display:none}
  .page-hero h1{font-size:30px}
  .page-hero{padding:52px 0 56px}
  .section-head h2{font-size:26px}
  .feature-grid{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:639px){
  :root{--section-pad:56px;--header-h:64px}
  .container{width:calc(100% - 32px)}
  body{font-size:15px}
  .page-hero h1{font-size:26px;line-height:1.35}
  .page-hero .lead{font-size:15px}
  .section-head h2{font-size:23px}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px}
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band h2{font-size:22px}
  .cta-band{padding:40px 20px}
  .btn{width:100%}
  .cta-actions{flex-direction:column;width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .feature-body h2{font-size:23px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --primary:#14526E;
  --primary-deep:#0E3A4E;
  --accent:#E8792B;
  --accent-deep:#D26A20;
  --bg:#F5F7F8;
  --surface:#FFFFFF;
  --surface-2:#EDF2F4;
  --text:#1D2A32;
  --muted:#5B6B76;
  --faint:#8A99A3;
  --line:#E3EAED;
  --badge-bg:#FCEDE1;
  --badge-text:#B85A16;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 2px 6px rgba(16,42,58,.05),0 10px 24px rgba(16,42,58,.06);
  --shadow-2:0 4px 10px rgba(16,42,58,.08),0 16px 34px rgba(16,42,58,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.05em}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.nav-inner{
  max-width:var(--container);margin:0 auto;height:72px;padding:0 24px;
  display:flex;align-items:center;gap:26px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-size:18px;font-weight:600;letter-spacing:.4px}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--primary);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{display:flex;align-items:center;position:relative}
.nav-search input{
  width:206px;height:38px;border:1px solid var(--line);background:var(--surface-2);
  border-radius:999px;padding:0 70px 0 16px;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--faint)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(232,121,43,.16);
}
.nav-search button{
  position:absolute;right:4px;top:4px;height:30px;padding:0 14px;
  border:0;border-radius:999px;background:var(--primary);color:#fff;font-size:13px;
  transition:background .18s ease;
}
.nav-search button:hover{background:var(--primary-deep)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--primary);display:none;
  align-items:center;justify-content:center;transition:background .18s,border-color .18s;
}
.icon-btn:hover{background:var(--surface-2);border-color:var(--primary)}
.nav-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--primary);display:none;
  align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;transition:all .18s ease;white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:500}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- breadcrumb + page hero ---------- */
.crumb-bar{padding:20px 0 0;background:linear-gradient(180deg,#EDF2F4 0%,#F5F7F8 100%)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#C3CFD6}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li[aria-current]{color:var(--primary);font-weight:500}

.page-hero{background:linear-gradient(180deg,#EDF2F4 0%,#F5F7F8 100%);padding:28px 0 52px}
.page-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:end}
.page-hero h1{font-size:32px;letter-spacing:.2px;margin-bottom:14px}
.page-hero h1 .kw{color:var(--primary)}
.page-hero p.lead{font-size:16px;color:var(--muted);max-width:620px;margin-bottom:0}
.hero-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.hero-side h2{font-size:15px;color:var(--primary);margin-bottom:10px}
.hero-side dl{margin:0;display:grid;gap:12px}
.hero-side div{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-bottom:1px dashed var(--line);padding-bottom:10px}
.hero-side div:last-child{border-bottom:0;padding-bottom:0}
.hero-side dt{color:var(--muted)}
.hero-side dd{margin:0;font-weight:600;color:var(--primary);text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.chip.is-on{background:var(--badge-bg);border-color:#F6D9C2;color:var(--badge-text);font-weight:500}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--badge-bg);color:var(--badge-text);font-size:12px;font-weight:500;
}
.badge-neutral{background:var(--surface-2);color:var(--muted)}

/* ---------- section base ---------- */
.section{padding:76px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:680px;margin-bottom:36px}
.section-head h2{font-size:28px;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;margin:0}

/* ---------- support layout ---------- */
.support-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px;align-items:start}
.article-body{max-width:740px}
.article-body h2{
  font-size:22px;margin:38px 0 14px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:18px;border-radius:2px;background:var(--accent);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;margin:26px 0 10px}
.article-body p{font-size:16px;line-height:1.95;color:#26353E}
.article-body ul{margin:0 0 1.2em;padding-left:0}
.article-body ul li{
  position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85;color:#26353E;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.article-body figure{margin:26px 0}
.article-body figure img{width:100%;aspect-ratio:16/9}
.article-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:10px}
.quote-block{
  background:var(--surface-2);border-left:3px solid var(--primary);
  padding:20px 22px;border-radius:0 var(--r-card) var(--r-card) 0;color:#33454F;font-size:15px;
}
.quote-block p:last-child{margin-bottom:0}

/* steps */
.steps{display:grid;gap:14px;margin:26px 0 8px}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:#D6E2E7}
.step-num{
  font-size:20px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;
  line-height:1.4;letter-spacing:.5px;
}
.step h3{margin:0 0 6px;font-size:17px}
.step p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}

/* sidebar */
.side-stack{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card.plain{background:var(--surface-2);box-shadow:none}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--primary)}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.side-card p:last-child{margin-bottom:0}
.info-list{display:grid;gap:12px}
.info-list li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list svg{flex:0 0 auto;margin-top:3px;color:var(--primary)}
.info-list strong{display:block;color:var(--text);font-weight:600;font-size:14px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px;transition:box-shadow .18s ease,transform .18s ease;
}
.stat:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.stat b{display:block;font-size:30px;font-weight:600;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:8px}

/* faq */
.faq{display:grid;gap:12px;max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-img);
  overflow:hidden;transition:background .18s ease,border-color .18s ease;
}
.faq-item:hover{background:var(--bg)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:18px 20px;text-align:left;
  font-size:16px;font-weight:500;color:var(--text);
}
.faq-q .sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--primary);
  transition:transform .22s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .sign::before{left:0;top:10px;width:22px;height:2px}
.faq-q .sign::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .sign{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{
  padding:0 20px 18px;border-top:1px solid var(--line);margin:0 20px 0 20px;
  padding-top:14px;font-size:15px;line-height:1.85;color:var(--muted);
}

/* form */
.form-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:44px;align-items:start;
}
.contact-form{max-width:640px;display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:500;color:var(--text)}
.field input,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);padding:0 14px;transition:border-color .18s,box-shadow .18s;
}
.field textarea{height:132px;padding:12px 14px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,121,43,.18);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary)}
.form-note{font-size:13px;color:var(--faint)}
.form-aside{
  background:var(--surface-2);border-radius:var(--r-card);padding:24px;
}
.form-aside h3{font-size:16px;color:var(--primary);margin-bottom:14px}
.form-aside ul{display:grid;gap:14px}
.form-aside li{font-size:14px;color:var(--muted);line-height:1.8}
.form-aside strong{display:block;color:var(--text);font-weight:600;margin-bottom:2px}

/* cta */
.cta{
  position:relative;min-height:260px;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:56px 24px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,58,78,.82),rgba(14,58,78,.9));
}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.82);font-size:15px;margin-bottom:24px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:18px;max-width:280px}
.socials{display:flex;gap:10px}
.socials a{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  transition:background .18s,border-color .18s,transform .18s;
}
.socials a:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s}
.footer-col a:hover{color:#fff}
.footer-contact li{
  display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:12px;
}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:rgba(255,255,255,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-search{display:none}
  .icon-btn{display:inline-flex}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(16,42,58,.10);
    padding:8px 24px 18px;flex-direction:column;align-items:stretch;gap:0;margin:0;
  }
  .site-header.nav-open .nav-links{display:flex}
  .nav-links a{
    padding:14px 0;font-size:17px;border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--accent)}
  .page-hero-grid{grid-template-columns:1fr;gap:26px;align-items:start}
  .support-layout{grid-template-columns:1fr;gap:34px}
  .side-stack{position:static}
  .stats{grid-template-columns:repeat(2,1fr)}
  .form-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-inner{height:64px;padding:0 18px;gap:14px}
  .logo{font-size:17px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .page-hero{padding:20px 0 38px}
  .page-hero h1{font-size:26px}
  .section-head h2{font-size:23px}
  .article-body h2{font-size:20px}
  .cta h2{font-size:23px}
  .cta{min-height:230px;padding:44px 18px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:18px 16px}
  .stat b{font-size:24px}
  .step{grid-template-columns:44px 1fr;padding:16px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{margin:0 16px;padding:12px 4px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .field-row{grid-template-columns:1fr}
  .btn{width:100%}
  .nav-actions .btn-sm{display:none}
  .chips .chip{font-size:12px;padding:0 12px;height:30px}
  .hero-side{padding:18px}
}