/* roulang page: index */
:root{
  --bg-0:#050A14;
  --bg-1:#081426;
  --bg-2:#0D1C33;
  --primary:#22D3EE;
  --primary-2:#3B82F6;
  --accent:#8B5CF6;
  --success:#34D399;
  --warning:#FBBF24;
  --text:#EAF2FF;
  --muted:#94A3B8;
  --line:rgba(255,255,255,0.12);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 20px 60px rgba(0,0,0,.35);
  --inner-light:inset 0 1px 0 rgba(255,255,255,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(34,211,238,.18), transparent 62%),
    radial-gradient(820px 600px at 92% 4%, rgba(139,92,246,.16), transparent 62%),
    radial-gradient(700px 520px at 50% 100%, rgba(59,130,246,.12), transparent 70%),
    linear-gradient(180deg,#050A14 0%,#081426 46%,#050A14 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1220px;margin:0 auto;padding-left:18px;padding-right:18px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
.site-header.is-scrolled{
  background:rgba(5,10,20,.82);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.nav-group{display:flex;align-items:center;gap:6px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  color:var(--muted);
  border-radius:999px;
  transition:color .25s ease, background .25s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--text);background:rgba(34,211,238,.12);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:22px;
  height:2px;
  transform:translateX(-50%);
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(34,211,238,.75);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2) 55%,var(--accent));
  color:#04121E;
  font-size:16px;
  font-weight:900;
  box-shadow:0 0 26px rgba(34,211,238,.4), var(--inner-light);
}
.brand-text{
  background:linear-gradient(96deg,#EAF2FF 20%,#7DE3F5 60%,#B79BFF 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease, box-shadow .3s ease, background .3s ease, border-color .3s ease, color .3s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  color:#04121E;
  box-shadow:0 0 30px rgba(34,211,238,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 42px rgba(34,211,238,.55);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(34,211,238,.55);color:#C9F6FF;transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,20,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);}
.mobile-menu.open{display:block;}
.mobile-menu ul{padding:12px 18px 20px;}
.mobile-menu li + li{border-top:1px solid rgba(255,255,255,.07);}
.mobile-menu a{display:block;padding:14px 4px;font-size:15px;color:var(--muted);}
.mobile-menu a.active,.mobile-menu a:hover{color:var(--primary);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 84px;
  isolation:isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(180deg, rgba(5,10,20,.74) 0%, rgba(5,10,20,.9) 62%, #050A14 100%), url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.85;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
  min-height:74vh;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid rgba(34,211,238,.35);
  background:rgba(34,211,238,.1);
  color:#9BEDFB;
  font-size:13px;
  letter-spacing:.5px;
}
.hero h1{
  margin-top:22px;
  font-size:clamp(32px,4.4vw,58px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
}
.hero h1 .hl{
  background:linear-gradient(96deg,#7DE3F5,#B79BFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  max-width:560px;
  font-size:17px;
  line-height:1.9;
  color:#B7C6DE;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.trust-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:13px;
  color:#C3D2E6;
}
.trust-chip i{color:var(--primary);}

/* Phone panel */
.phone-wrap{display:flex;justify-content:center;}
.phone-panel{
  position:relative;
  width:min(340px,100%);
  padding:20px 18px 22px;
  border-radius:34px;
  border:1px solid var(--line);
  background:linear-gradient(165deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(22px);
  backdrop-filter:blur(22px);
  box-shadow:var(--shadow-card), var(--inner-light), 0 0 60px rgba(34,211,238,.14);
}
.phone-panel::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:radial-gradient(220px 140px at 78% -10%, rgba(139,92,246,.32), transparent 70%);
  pointer-events:none;
}
.phone-notch{
  width:84px;
  height:6px;
  margin:0 auto 18px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
}
.phone-screen{
  border-radius:24px;
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(180deg, rgba(8,20,38,.92), rgba(5,10,20,.94));
  padding:18px 16px 20px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
}
.badge-success{background:rgba(52,211,153,.14);color:#6EE7B7;border:1px solid rgba(52,211,153,.32);}
.badge-cyan{background:rgba(34,211,238,.13);color:#8FE9FA;border:1px solid rgba(34,211,238,.32);}
.badge-violet{background:rgba(139,92,246,.15);color:#C9B6FF;border:1px solid rgba(139,92,246,.34);}
.badge-muted{background:rgba(148,163,184,.12);color:#AFC0D6;border:1px solid rgba(148,163,184,.26);}
.step-dots{margin-top:18px;display:grid;gap:10px;}
.step-dots li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  font-size:13.5px;
  color:var(--muted);
}
.step-dots li i{font-size:12px;color:#4E6178;}
.step-dots li.done{color:#A7E9D4;border-color:rgba(52,211,153,.28);}
.step-dots li.done i{color:var(--success);}
.step-dots li.active{color:var(--text);border-color:rgba(34,211,238,.42);background:rgba(34,211,238,.09);}
.step-dots li.active i{color:var(--primary);}
.signal-bars{display:flex;align-items:flex-end;gap:5px;height:34px;margin-top:20px;}
.signal-bars span{flex:1;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,rgba(34,211,238,.85),rgba(59,130,246,.4));}
.signal-bars span:nth-child(1){height:34%;}
.signal-bars span:nth-child(2){height:52%;}
.signal-bars span:nth-child(3){height:70%;}
.signal-bars span:nth-child(4){height:88%;}
.signal-bars span:nth-child(5){height:100%;}
.signal-bars span:nth-child(6){height:62%;opacity:.5;}

/* ---------- Section head ---------- */
.section-head{max-width:760px;}
.section-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:2px;
  color:var(--primary);
  text-transform:uppercase;
}
.section-head h2{
  margin-top:14px;
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  line-height:1.3;
}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.9;}

/* ---------- Glass card ---------- */
.glass{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card), var(--inner-light);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.glass:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);box-shadow:0 26px 66px rgba(0,0,0,.42), var(--inner-light);}

/* ---------- Status strip ---------- */
.status-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:44px;
}
.status-cell{
  padding:22px 20px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
}
.status-cell .num{font-size:30px;font-weight:800;letter-spacing:-.5px;}
.status-cell .num.cyan{color:#7DE3F5;}
.status-cell .num.violet{color:#C0A9FF;}
.status-cell .num.green{color:#6EE7B7;}
.status-cell .num.amber{color:#FBD77A;}
.status-cell .lbl{margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ---------- Flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:56px;
  position:relative;
}
.flow::before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  top:56px;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(34,211,238,.5), rgba(139,92,246,.45), transparent);
}
.flow-item{
  position:relative;
  padding:28px 22px 24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(165deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card), var(--inner-light);
  transition:transform .3s ease, border-color .3s ease;
}
.flow-item:nth-child(2){transform:translateY(26px);}
.flow-item:hover{border-color:rgba(34,211,238,.42);transform:translateY(-4px);}
.flow-item:nth-child(2):hover{transform:translateY(22px);}
.flow-num{
  display:grid;
  place-items:center;
  width:52px;
  height:52px;
  border-radius:16px;
  font-size:17px;
  font-weight:800;
  color:#04121E;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 0 26px rgba(34,211,238,.35);
}
.flow-item:nth-child(2) .flow-num{background:linear-gradient(140deg,#A78BFA,var(--accent));color:#120A24;box-shadow:0 0 26px rgba(139,92,246,.35);}
.flow-item:nth-child(3) .flow-num{background:linear-gradient(140deg,#6EE7B7,var(--success));color:#04241A;box-shadow:0 0 26px rgba(52,211,153,.32);}
.flow-item h3{margin-top:20px;font-size:20px;font-weight:700;}
.flow-item p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
.micro-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  color:var(--primary);
  transition:gap .25s ease, color .25s ease;
}
.micro-link:hover{gap:11px;color:#9BEDFB;}

/* ---------- Cases ---------- */
.case-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  grid-template-rows:auto auto;
  gap:22px;
  margin-top:48px;
}
.case-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--bg-1);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease, border-color .3s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);}
.case-card img{width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .5s ease, opacity .4s ease;}
.case-card:hover img{transform:scale(1.05);opacity:.62;}
.case-main{grid-row:span 2;min-height:420px;}
.case-body{
  position:absolute;
  inset:auto 0 0 0;
  padding:26px 24px;
  background:linear-gradient(180deg, rgba(5,10,20,0), rgba(5,10,20,.92) 42%, rgba(5,10,20,.97));
}
.case-body h3{margin-top:14px;font-size:21px;font-weight:700;}
.case-body p{margin-top:10px;font-size:14.5px;color:#A9BAD1;line-height:1.8;}
.case-metric{margin-top:16px;display:flex;align-items:baseline;gap:10px;}
.case-metric strong{font-size:30px;font-weight:800;color:#7DE3F5;}
.case-metric span{font-size:13px;color:var(--muted);}

/* ---------- CMS list ---------- */
.cms-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:44px;
}
.post-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(165deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card), var(--inner-light);
  transition:transform .3s ease, border-color .3s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.42);}
.post-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.06);}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-body h3{font-size:17px;font-weight:700;line-height:1.6;}
.post-body h3 a:hover{color:#9BEDFB;}
.post-body p{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:#8FA2BA;}
.empty-state{
  margin-top:40px;
  padding:52px 26px;
  text-align:center;
  border-radius:var(--radius-lg);
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.03);
}
.empty-state i{font-size:28px;color:var(--primary);}
.empty-state p{margin-top:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;}
.faq-side p{margin-top:18px;color:var(--muted);line-height:1.9;font-size:15.5px;}
.faq-list{margin-top:8px;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  overflow:hidden;
  transition:border-color .3s ease, background .3s ease;
}
.faq-item[open]{border-color:rgba(34,211,238,.42);background:rgba(34,211,238,.06);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:16.5px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:26px;
  height:26px;
  border-radius:8px;
  border:1px solid rgba(34,211,238,.4);
  color:var(--primary);
  font-size:15px;
  transition:transform .3s ease, background .3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(135deg);background:rgba(34,211,238,.16);}
.faq-a{padding:0 20px 20px;font-size:15px;color:#A9BAD1;line-height:1.9;border-top:1px solid rgba(255,255,255,.07);margin-top:0;padding-top:16px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(34,211,238,.28);
  background:linear-gradient(140deg, rgba(34,211,238,.12), rgba(139,92,246,.12) 55%, rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 30px 80px rgba(0,0,0,.45), var(--inner-light);
  padding:48px 44px;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(34,211,238,.34), transparent 68%);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;position:relative;}
.cta-copy h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.35;}
.cta-copy p{margin-top:16px;color:#B7C6DE;font-size:15.5px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:#B7C6DE;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(5,10,20,.6);
  font-size:15px;
  transition:border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,211,238,.18);
  background:rgba(5,10,20,.8);
  outline:none;
}
.field ::placeholder{color:#64748B;}
.form-note{grid-column:1 / -1;font-size:12.5px;color:#7E90A8;line-height:1.7;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(8,20,38,.7), rgba(5,10,20,.96));
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(34,211,238,.6), rgba(139,92,246,.5), transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;
  padding:64px 0 40px;
}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#DDE9F8;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{font-size:14px;color:#9DB0C8;transition:color .25s ease, padding-left .25s ease;}
.footer-col ul a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  align-items:center;
  padding:22px 0 34px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:#7E90A8;
}
.footer-contact{display:grid;gap:10px;font-size:14px;color:#9DB0C8;}
.footer-contact i{width:18px;color:var(--primary);}
.qr-box{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-top:16px;
  padding:12px 14px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(255,255,255,.03);
  font-size:13px;
  color:var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-group .nav-link{display:none;}
  .nav-bar{grid-template-columns:auto 1fr auto;min-height:70px;}
  .nav-group.left,.nav-group.right{display:none;}
  .menu-toggle{display:grid;place-items:center;order:1;}
  .brand{order:2;justify-self:center;}
  .header-cta{order:3;justify-self:end;}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:auto;}
  .hero{padding:52px 0 64px;}
  .status-strip{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:1fr;}
  .flow::before{display:none;}
  .flow-item:nth-child(2){transform:none;}
  .flow-item:nth-child(2):hover{transform:translateY(-4px);}
  .case-grid{grid-template-columns:1fr;}
  .case-main{grid-row:auto;min-height:320px;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .cta-band{padding:38px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 30px;}
}
@media (max-width:640px){
  .section{padding:60px 0;}
  .section-sm{padding:48px 0;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .status-strip{grid-template-columns:1fr;}
  .cms-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:14px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .cta-band{padding:30px 20px;border-radius:22px;}
}

/* roulang page: article */
:root{
  --bg-0:#050A14;
  --bg-1:#081426;
  --bg-2:#0D1C33;
  --primary:#22D3EE;
  --primary-2:#3B82F6;
  --accent:#8B5CF6;
  --success:#34D399;
  --warning:#FBBF24;
  --text:#EAF2FF;
  --muted:#94A3B8;
  --line:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --inner:inset 0 1px 0 rgba(255,255,255,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(34,211,238,.18), transparent 62%),
    radial-gradient(820px 520px at 92% 2%, rgba(139,92,246,.16), transparent 64%),
    linear-gradient(180deg,#050A14 0%,#081426 46%,#050A14 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 74%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800}
p{margin:0}
::selection{background:rgba(34,211,238,.32)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,10,20,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(5,10,20,.94);box-shadow:0 14px 44px rgba(0,0,0,.5)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;min-height:74px;
}
.nav-group{display:flex;align-items:center;gap:22px}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 2px;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 14px rgba(34,211,238,.75);
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#04121C;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 26px rgba(34,211,238,.4);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:11px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121C;
  box-shadow:0 0 30px rgba(34,211,238,.35),var(--inner);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(34,211,238,.55)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.18);color:var(--text);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.6);color:#BDF3FB}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,a:focus-visible{
  outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;
}
.menu-toggle{
  display:none;order:-1;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:rgba(8,20,38,.96)}
.mobile-nav.open{display:block}
.mobile-nav a{
  display:block;padding:14px 20px;font-size:15px;color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-nav a:hover{color:var(--primary);background:rgba(255,255,255,.04)}
.mobile-nav a.mnav-cta{color:#BDF3FB;font-weight:700}
.mobile-nav .mnav-inner{padding:6px 0 14px}

/* ============ 通用玻璃卡 ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow),var(--inner);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:600;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#C7D6EA;
}
.badge-cyan{color:#BDF3FB;border-color:rgba(34,211,238,.42);background:rgba(34,211,238,.12)}
.badge-violet{color:#DDD2FF;border-color:rgba(139,92,246,.42);background:rgba(139,92,246,.14)}
.badge-muted{color:var(--muted)}

/* ============ 文章头部 ============ */
.article-top{padding:30px 0 8px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#C7D6EA;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:4px 0 26px;max-width:900px}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.28;letter-spacing:.3px;
  background:linear-gradient(180deg,#FFFFFF 10%,#A9C6E8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-lead{margin-top:16px;font-size:16.5px;color:#A9BCD4;max-width:70ch}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}

.article-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;margin:6px 0 34px;
  border:1px solid var(--line);box-shadow:var(--shadow),var(--inner);aspect-ratio:16/7;
}
.article-cover img{width:100%;height:100%;object-fit:cover;opacity:.9}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,.15),rgba(5,10,20,.75));
}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;
  padding-bottom:20px;
}
.article-panel{padding:32px 34px 38px}
.article-body{font-size:17.5px;line-height:1.95;color:#D6E3F4;word-break:break-word}
.article-body h2{
  font-size:clamp(22px,2.4vw,27px);margin:2.1em 0 .75em;font-weight:800;color:#F2F8FF;
  padding-left:14px;border-left:3px solid var(--primary);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20.5px;margin:1.7em 0 .65em;font-weight:700;color:#E7F1FF}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.25em}
.article-body li{margin:.42em 0}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(34,211,238,.07);border-radius:0 14px 14px 0;color:#C3D6EC;
}
.article-body img{border-radius:var(--r-md);margin:1.5em 0;width:100%;height:auto}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(34,211,238,.5)}
.article-body a:hover{color:#8DF0FF}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid rgba(255,255,255,.1);padding:10px 12px;text-align:left}
.article-body th{background:rgba(255,255,255,.05);color:#DCE9F8}
.article-body code{
  background:rgba(255,255,255,.08);border-radius:6px;padding:1px 6px;font-size:14.5px;color:#BDF3FB;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

.empty-state{padding:26px;text-align:center;border-radius:var(--r-md);border:1px dashed rgba(255,255,255,.2);background:rgba(255,255,255,.04)}
.empty-state i{font-size:30px;color:var(--muted)}
.empty-state h3{margin:12px 0 6px;font-size:19px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:16px}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{padding:22px}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:#E7F1FF;margin-bottom:14px;
}
.side-title i{color:var(--primary)}
.toc-link{
  display:block;font-size:14.5px;color:var(--muted);padding:9px 12px;border-radius:10px;
  border-left:2px solid transparent;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-link.active{color:#BDF3FB;background:rgba(34,211,238,.1);border-left-color:var(--primary)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:#C0D1E6;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.09);
}
.side-list a:last-child{border-bottom:none}
.side-list a:hover{color:var(--primary)}
.side-list i{font-size:12px;color:var(--muted)}

/* ============ 相关推荐 ============ */
.section{padding:64px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.8vw,32px)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:#8FE9F8;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),transparent)}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.42);box-shadow:0 26px 70px rgba(0,0,0,.45)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.05),rgba(5,10,20,.6))}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:17.5px;line-height:1.55;color:#ECF5FF}
.post-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.post-foot .readmore{color:#8FE9F8;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.post-card:hover .readmore{color:#C4F6FF}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  border:1px solid rgba(34,211,238,.28);
  background:linear-gradient(135deg,rgba(13,28,51,.95),rgba(8,20,38,.92));
  box-shadow:0 30px 90px rgba(0,0,0,.5),var(--inner);
  padding:44px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 280px at 8% 0%, rgba(34,211,238,.22), transparent 65%),
    radial-gradient(520px 320px at 96% 100%, rgba(139,92,246,.22), transparent 65%);
  pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:start}
.cta-copy h2{font-size:clamp(24px,2.8vw,32px)}
.cta-copy p{margin-top:14px;color:#A9BCD4;font-size:15.5px;max-width:56ch}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points span{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#C7D6EA}
.cta-points i{color:var(--success)}
.form-panel{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:20px;
  padding:24px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:#A9BCD4}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(5,10,20,.6);padding:11px 13px;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:92px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#64748B}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,211,238,.2);
}
.form-note{margin-top:12px;font-size:12.5px;color:#7C8CA3;line-height:1.7}
.form-panel .btn{width:100%;margin-top:16px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;border-top:1px solid rgba(34,211,238,.22);
  background:linear-gradient(180deg,rgba(8,20,38,.6),rgba(5,10,20,.98));
  padding:56px 0 26px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),rgba(139,92,246,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{font-size:15.5px;font-weight:800;color:#EAF2FF;margin-bottom:16px}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;max-width:34ch}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--muted)}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:11px}
.footer-contact span{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--muted);line-height:1.7}
.footer-contact i{color:#7DE3F5;margin-top:3px}
.qr-box{
  margin-top:18px;display:flex;align-items:center;gap:12px;padding:13px 14px;
  border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.045);
}
.qr-box span{font-size:12.5px;color:var(--muted);line-height:1.7}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C8CA3;
}

/* ============ 滚动条 & 动效 ============ */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#050A14}
::-webkit-scrollbar-thumb{background:rgba(34,211,238,.28);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:rgba(34,211,238,.45)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .nav-group.left{display:none}
  .nav-group.right .nav-link{display:none}
  .brand{flex:1;justify-content:center}
  .menu-toggle{display:grid}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px}
  .side-col{position:static;order:2}
  .article-panel{padding:26px 22px 30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .container-x{padding:0 16px}
  .section{padding:48px 0}
  .article-top{padding:22px 0 4px}
  .article-cover{aspect-ratio:16/9;border-radius:18px}
  .article-body{font-size:16.5px;line-height:1.9}
  .cta-band{padding:28px 20px;border-radius:22px}
  .form-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .breadcrumb .current{white-space:normal}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;border-radius:11px}
  .article-head h1{font-size:26px}
  .article-panel{padding:22px 16px 26px}
  .post-body{padding:16px 16px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .meta-bar{gap:8px}
}

/* roulang page: category1 */
:root{
    --bg-0:#050A14;
    --bg-1:#081426;
    --bg-2:#0D1C33;
    --primary:#22D3EE;
    --primary-2:#3B82F6;
    --accent:#8B5CF6;
    --success:#34D399;
    --warning:#FBBF24;
    --text:#EAF2FF;
    --muted:#94A3B8;
    --line:rgba(255,255,255,.12);
    --line-strong:rgba(34,211,238,.4);
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-card:0 20px 60px rgba(0,0,0,.35);
    --shadow-glow:0 0 30px rgba(34,211,238,.35);
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  }

  *,
  *::before,
  *::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    font-family:var(--font-cn);
    background:var(--bg-0);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    font-weight:400;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }

  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-2;
    background:
      radial-gradient(900px 520px at 12% -6%, rgba(34,211,238,.16), transparent 62%),
      radial-gradient(760px 480px at 92% 4%, rgba(139,92,246,.16), transparent 64%),
      radial-gradient(900px 620px at 50% 108%, rgba(59,130,246,.14), transparent 66%),
      linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 46%, var(--bg-0) 100%);
    pointer-events:none;
  }

  body::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 20%, rgba(0,0,0,.9), transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 20%, rgba(0,0,0,.9), transparent 78%);
    pointer-events:none;
  }

  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}

  .container-x{
    width:100%;
    max-width:1280px;
    margin:0 auto;
    padding:0 16px;
  }
  @media (min-width:640px){ .container-x{padding:0 24px;} }
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(5,10,20,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transition:background .3s ease, box-shadow .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(5,10,20,.9);
    box-shadow:0 14px 40px rgba(0,0,0,.45);
  }
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:12px;
    min-height:74px;
  }
  .nav-group{display:flex;align-items:center;gap:4px;}
  .nav-group.left{justify-self:start;}
  .nav-group.right{justify-self:end;}

  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:9px 14px;
    border-radius:999px;
    font-size:15px;
    font-weight:500;
    color:var(--muted);
    transition:color .25s ease, background .25s ease;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
  .nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  .nav-link.active{color:var(--text);background:rgba(34,211,238,.1);}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:2px;
    transform:translateX(-50%);
    width:26px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--primary),var(--accent));
    box-shadow:0 0 12px rgba(34,211,238,.85);
  }

  .brand{display:inline-flex;align-items:center;gap:10px;}
  .brand-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:12px;
    font-size:17px;
    font-weight:800;
    color:#04121C;
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    box-shadow:0 0 22px rgba(34,211,238,.4), inset 0 1px 0 rgba(255,255,255,.5);
    flex:0 0 auto;
  }
  .brand-text{
    font-size:18px;
    font-weight:800;
    letter-spacing:.4px;
    color:var(--text);
    white-space:nowrap;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border:1px solid transparent;
    border-radius:var(--radius-sm);
    padding:13px 24px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
  }
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
  .btn-primary{
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    color:#04121C;
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 0 42px rgba(34,211,238,.5);
    filter:brightness(1.07);
  }
  .btn-primary:active{transform:translateY(0) scale(.985);}
  .btn-ghost{
    background:rgba(255,255,255,.06);
    border-color:rgba(34,211,238,.42);
    color:var(--text);
    backdrop-filter:blur(10px);
  }
  .btn-ghost:hover{
    transform:translateY(-2px);
    border-color:var(--primary);
    background:rgba(34,211,238,.12);
    color:#FFFFFF;
  }
  .btn-ghost:active{transform:translateY(0) scale(.985);}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

  /* ============ 移动端菜单 ============ */
  .menu-toggle{
    display:none;
    justify-self:end;
    width:42px;
    height:42px;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.06);
    color:var(--text);
    font-size:17px;
    cursor:pointer;
  }
  .menu-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  .mobile-panel{
    display:none;
    border-top:1px solid var(--line);
    background:rgba(8,20,38,.96);
    backdrop-filter:blur(16px);
    padding:10px 0 18px;
  }
  .mobile-panel.is-open{display:block;}
  .mobile-panel a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:13px 4px;
    font-size:16px;
    font-weight:500;
    color:var(--muted);
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .mobile-panel a:hover,
  .mobile-panel a.active{color:var(--primary);}
  .mobile-panel .mobile-cta{margin-top:16px;}

  /* ============ 通用排版 ============ */
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.5px;
    color:#B7ECF7;
    background:rgba(34,211,238,.12);
    border:1px solid rgba(34,211,238,.3);
  }
  .hero-title{
    font-size:32px;
    line-height:1.24;
    font-weight:800;
    letter-spacing:-.5px;
    margin:20px 0 0;
  }
  .section-title{
    font-size:26px;
    line-height:1.3;
    font-weight:800;
    margin:0 0 14px;
  }
  .section-sub{
    color:var(--muted);
    font-size:16px;
    line-height:1.85;
    margin:0;
    max-width:760px;
  }
  .lead{
    color:#C6D7EE;
    font-size:16.5px;
    line-height:1.9;
    margin:18px 0 0;
    max-width:620px;
  }
  .muted{color:var(--muted);}
  .grad-text{
    background:linear-gradient(120deg,#7DE3F5 0%,#8B5CF6 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  @media (min-width:768px){
    .hero-title{font-size:44px;}
    .section-title{font-size:32px;}
    .lead{font-size:17px;}
  }
  @media (min-width:1024px){
    .hero-title{font-size:54px;}
    .section-title{font-size:36px;}
  }

  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:76px 0;} }
  @media (min-width:1024px){ .section{padding:96px 0;} }
  .section-head{margin-bottom:34px;}

  /* ============ 卡片 ============ */
  .card{
    position:relative;
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    background:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
    transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    border-color:var(--line-strong);
    box-shadow:0 26px 70px rgba(0,0,0,.45), 0 0 0 1px rgba(34,211,238,.16), inset 0 1px 0 rgba(255,255,255,.1);
  }

  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    color:#A9ECF8;
    background:rgba(34,211,238,.13);
    border:1px solid rgba(34,211,238,.26);
  }
  .tag-purple{color:#D5C7FF;background:rgba(139,92,246,.16);border-color:rgba(139,92,246,.34);}
  .tag-time{color:#A8BBD4;background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.24);}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    padding:52px 0 44px;
    border-bottom:1px solid var(--line);
  }
  .hero-bg{
    position:absolute;
    inset:0;
    z-index:0;
  }
  .hero-bg img{
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:.32;
  }
  .hero-bg::after{
    content:"";
    position:absolute;
    inset:0;
    background:
      linear-gradient(100deg, rgba(5,10,20,.94) 0%, rgba(5,10,20,.78) 46%, rgba(5,10,20,.56) 100%),
      radial-gradient(620px 420px at 82% 30%, rgba(34,211,238,.2), transparent 70%);
  }
  .hero-inner{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:1fr;
    gap:42px;
    align-items:center;
  }
  @media (min-width:1024px){
    .hero{padding:76px 0 68px;min-height:74vh;display:flex;align-items:center;}
    .hero-inner{grid-template-columns:1.08fr .92fr;gap:56px;}
  }

  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-trust{
    display:flex;
    flex-wrap:wrap;
    gap:12px 26px;
    margin-top:28px;
    padding-top:22px;
    border-top:1px solid var(--line);
  }
  .hero-trust span{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--muted);
  }
  .hero-trust i{color:var(--success);}

  /* 手机登录面板 */
  .phone-panel{
    position:relative;
    max-width:400px;
    margin:0 auto;
    width:100%;
    padding:22px;
    border-radius:30px;
    border:1px solid rgba(255,255,255,.14);
    background:linear-gradient(165deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
    backdrop-filter:blur(20px);
    box-shadow:0 30px 80px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.14);
  }
  .phone-panel::before{
    content:"";
    position:absolute;
    inset:-1px;
    border-radius:30px;
    padding:1px;
    background:linear-gradient(140deg, rgba(34,211,238,.55), rgba(139,92,246,.28), transparent 70%);
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;
    mask-composite:exclude;
    pointer-events:none;
  }
  .phone-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .status-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 13px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    color:#8CF3D6;
    background:rgba(52,211,153,.12);
    border:1px solid rgba(52,211,153,.32);
  }
  .status-dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--success);
    box-shadow:0 0 10px rgba(52,211,153,.9);
  }
  .signal-bars{display:flex;align-items:flex-end;gap:3px;height:18px;}
  .signal-bars i{
    display:block;width:4px;border-radius:2px;
    background:linear-gradient(180deg,var(--primary),var(--primary-2));
    opacity:.85;
  }
  .signal-bars i:nth-child(1){height:6px;}
  .signal-bars i:nth-child(2){height:10px;}
  .signal-bars i:nth-child(3){height:14px;}
  .signal-bars i:nth-child(4){height:18px;}

  .phone-screen{
    margin-top:20px;
    border-radius:20px;
    border:1px solid rgba(255,255,255,.1);
    background:linear-gradient(180deg, rgba(5,10,20,.85), rgba(13,28,51,.72));
    padding:20px 18px;
  }
  .phone-screen .field-line{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 14px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.09);
    background:rgba(255,255,255,.04);
    font-size:13.5px;
    color:var(--muted);
  }
  .phone-screen .field-line + .field-line{margin-top:10px;}
  .phone-screen .field-line strong{color:var(--text);font-weight:600;}

  .step-dots{
    display:flex;
    align-items:center;
    gap:8px;
    margin-top:20px;
  }
  .step-dots span{
    flex:1;
    height:4px;
    border-radius:999px;
    background:rgba(255,255,255,.12);
    position:relative;
    overflow:hidden;
  }
  .step-dots span.on{background:linear-gradient(90deg,var(--primary),var(--primary-2));box-shadow:0 0 12px rgba(34,211,238,.6);}
  .step-dots-label{
    display:flex;
    justify-content:space-between;
    margin-top:10px;
    font-size:12.5px;
    color:var(--muted);
    letter-spacing:.3px;
  }

  /* ============ 指标条 ============ */
  .metrics-bar{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
    backdrop-filter:blur(16px);
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
    overflow:hidden;
  }
  .metric-item{
    padding:24px 20px;
    border-bottom:1px solid var(--line);
    border-right:1px solid var(--line);
  }
  .metric-item:nth-child(2n){border-right:0;}
  .metric-item:nth-last-child(-n+2){border-bottom:0;}
  .metric-num{
    font-size:28px;
    font-weight:800;
    letter-spacing:-.5px;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(120deg,#7DE3F5,#8B5CF6);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .metric-label{
    margin-top:8px;
    font-size:13.5px;
    color:var(--muted);
    line-height:1.6;
  }
  @media (min-width:768px){
    .metrics-bar{grid-template-columns:repeat(4,1fr);}
    .metric-item{border-bottom:0;border-right:1px solid var(--line);padding:28px 24px;}
    .metric-item:nth-child(2n){border-right:1px solid var(--line);}
    .metric-item:last-child{border-right:0;}
    .metric-num{font-size:32px;}
  }

  /* ============ 准备清单 ============ */
  .prep-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
  }
  @media (min-width:1024px){
    .prep-grid{grid-template-columns:1fr 1.05fr;gap:52px;}
  }
  .prep-media{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .prep-media img{
    width:100%;
    height:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .6s ease;
  }
  .prep-media:hover img{transform:scale(1.04);}
  .prep-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(5,10,20,.1), rgba(5,10,20,.72));
  }
  .prep-media-tip{
    position:absolute;
    left:18px;
    right:18px;
    bottom:18px;
    z-index:2;
    font-size:13.5px;
    color:#CFE3F7;
    display:flex;
    align-items:center;
    gap:8px;
  }

  .check-list{display:grid;gap:14px;}
  .check-item{
    display:flex;
    gap:14px;
    padding:18px 20px;
    border-radius:var(--radius-md);
    border:1px solid var(--line);
    background:rgba(255,255,255,.045);
    transition:border-color .25s ease, background .25s ease, transform .25s ease;
  }
  .check-item:hover{
    border-color:var(--line-strong);
    background:rgba(34,211,238,.07);
    transform:translateX(3px);
  }
  .check-icon{
    flex:0 0 auto;
    width:34px;height:34px;
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(34,211,238,.14);
    color:#7DE3F5;
    font-size:14px;
  }
  .check-item h3{
    margin:0 0 6px;
    font-size:16.5px;
    font-weight:700;
    color:var(--text);
  }
  .check-item p{
    margin:0;
    font-size:14.5px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ============ 步骤时间轴 ============ */
  .steps-wrap{
    display:grid;
    grid-template-columns:1fr;
    gap:18px;
  }
  @media (min-width:1024px){
    .steps-wrap{grid-template-columns:repeat(2,1fr);gap:20px 24px;}
    .step-card:nth-child(even){transform:translateY(26px);}
    .step-card:nth-child(even):hover{transform:translateY(22px);}
  }
  .step-card{
    position:relative;
    padding:26px 24px 24px;
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
    backdrop-filter:blur(16px);
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
    transition:transform .28s ease, border-color .28s ease;
  }
  .step-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
  .step-index{
    font-size:38px;
    font-weight:800;
    line-height:1;
    font-variant-numeric:tabular-nums;
    letter-spacing:-1px;
    background:linear-gradient(120deg, rgba(125,227,245,.95), rgba(139,92,246,.75));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .step-card h3{
    margin:14px 0 8px;
    font-size:18.5px;
    font-weight:700;
  }
  .step-card p{
    margin:0;
    font-size:14.8px;
    line-height:1.85;
    color:var(--muted);
  }
  .step-note{
    display:inline-flex;
    align-items:center;
    gap:7px;
    margin-top:16px;
    font-size:13.5px;
    font-weight:600;
    color:#7DE3F5;
    border-bottom:1px dashed rgba(34,211,238,.5);
    padding-bottom:2px;
    transition:color .25s ease;
  }
  .step-note:hover{color:#B7ECF7;}

  /* ============ 场景卡片网格 ============ */
  .scene-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  @media (min-width:1024px){
    .scene-grid{grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;}
    .scene-card.big{grid-row:span 2;}
  }
  .scene-card{overflow:hidden;display:flex;flex-direction:column;}
  .scene-card .scene-media{
    position:relative;
    overflow:hidden;
  }
  .scene-card .scene-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .7s ease;
  }
  .scene-card.big .scene-media img{aspect-ratio:16/10;}
  .scene-card:not(.big) .scene-media img{aspect-ratio:16/9;}
  .scene-card:hover .scene-media img{transform:scale(1.05);}
  .scene-card .scene-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(5,10,20,0), rgba(5,10,20,.66));
  }
  .scene-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
  .scene-body h3{
    margin:12px 0 10px;
    font-size:19px;
    font-weight:700;
    line-height:1.45;
  }
  .scene-body p{
    margin:0;
    font-size:14.8px;
    line-height:1.85;
    color:var(--muted);
  }
  .scene-link{
    margin-top:auto;
    padding-top:18px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:#7DE3F5;
    transition:gap .25s ease, color .25s ease;
  }
  .scene-link:hover{gap:12px;color:#B7ECF7;}

  /* ============ FAQ ============ */
  .faq-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:1024px){
    .faq-grid{grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;}
  }
  .faq-list{
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(16px);
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .faq-item{border-bottom:1px solid rgba(255,255,255,.09);}
  .faq-item:last-child{border-bottom:0;}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    background:transparent;
    border:0;
    color:var(--text);
    font-size:16.5px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    transition:background .25s ease, color .25s ease;
  }
  .faq-q:hover{background:rgba(34,211,238,.06);}
  .faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
  .faq-q i{
    flex:0 0 auto;
    font-size:14px;
    color:var(--primary);
    transition:transform .3s ease;
  }
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .38s ease;
  }
  .faq-a p{
    margin:0;
    padding:0 22px 22px;
    font-size:15px;
    line-height:1.9;
    color:var(--muted);
  }
  .faq-item.open .faq-a{max-height:340px;}

  .faq-aside{
    padding:28px 26px;
    border-radius:var(--radius-lg);
    border:1px solid rgba(34,211,238,.26);
    background:linear-gradient(160deg, rgba(34,211,238,.11), rgba(139,92,246,.08));
    backdrop-filter:blur(16px);
  }
  .faq-aside h3{margin:0 0 12px;font-size:20px;font-weight:700;}
  .faq-aside p{margin:0 0 20px;font-size:14.8px;line-height:1.85;color:#C6D7EE;}

  /* ============ CTA + 表单 ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-radius:26px;
    border:1px solid rgba(34,211,238,.28);
    background:
      radial-gradient(700px 380px at 8% 12%, rgba(34,211,238,.18), transparent 62%),
      radial-gradient(600px 380px at 92% 88%, rgba(139,92,246,.2), transparent 66%),
      linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.1);
    padding:34px 24px;
  }
  @media (min-width:768px){ .cta-band{padding:48px 44px;} }

  .cta-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){ .cta-grid{grid-template-columns:1fr 1fr;gap:52px;} }

  .form-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  @media (min-width:768px){ .form-grid{grid-template-columns:1fr 1fr;} }
  .form-field{display:flex;flex-direction:column;gap:8px;}
  .form-field.full{grid-column:1 / -1;}
  .form-field label{font-size:13.5px;font-weight:600;color:#C6D7EE;}
  .form-field input,
  .form-field select,
  .form-field textarea{
    width:100%;
    padding:13px 15px;
    border-radius:var(--radius-sm);
    border:1px solid var(--line);
    background:rgba(5,10,20,.55);
    color:var(--text);
    font-size:15px;
    font-family:inherit;
    transition:border-color .25s ease, box-shadow .25s ease, background .25s ease;
  }
  .form-field textarea{min-height:104px;resize:vertical;line-height:1.75;}
  .form-field input::placeholder,
  .form-field textarea::placeholder{color:#6F839C;}
  .form-field input:focus,
  .form-field select:focus,
  .form-field textarea:focus{
    outline:none;
    border-color:var(--primary);
    background:rgba(5,10,20,.75);
    box-shadow:0 0 0 3px rgba(34,211,238,.18);
  }
  .form-note{
    margin-top:14px;
    font-size:12.8px;
    line-height:1.75;
    color:#6F839C;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;
    margin-top:40px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg, rgba(8,20,38,.6), rgba(5,10,20,.96));
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:2px;
    background:linear-gradient(90deg, transparent, rgba(34,211,238,.75), rgba(139,92,246,.6), transparent);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
    padding:52px 0 36px;
  }
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;} }

  .footer-col p{
    margin:0;
    font-size:14.2px;
    line-height:1.9;
    color:var(--muted);
    max-width:340px;
  }
  .footer-col h4{
    margin:0 0 18px;
    font-size:15.5px;
    font-weight:700;
    color:var(--text);
  }
  .footer-col ul{display:grid;gap:11px;}
  .footer-col ul a{
    font-size:14.2px;
    color:var(--muted);
    transition:color .22s ease, padding-left .22s ease;
  }
  .footer-col ul a:hover{color:var(--primary);padding-left:4px;}

  .qr-box{
    display:flex;
    gap:14px;
    align-items:center;
    margin-top:20px;
    padding:14px 16px;
    border-radius:var(--radius-md);
    border:1px solid var(--line);
    background:rgba(255,255,255,.045);
  }
  .qr-box span{font-size:13px;line-height:1.7;color:var(--muted);}

  .footer-contact{display:grid;gap:13px;}
  .footer-contact span{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    line-height:1.7;
    color:var(--muted);
  }
  .footer-contact i{color:#7DE3F5;margin-top:4px;}

  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 22px;
    justify-content:space-between;
    padding:20px 0 28px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:#6F839C;
  }

  /* ============ 响应式导航断点 ============ */
  @media (max-width:1023px){
    .header-inner{grid-template-columns:1fr auto 1fr;min-height:64px;}
    .nav-group.left,
    .nav-group.right{display:none;}
    .menu-toggle{display:inline-flex;}
    .brand{justify-self:center;}
    .brand-text{font-size:16px;letter-spacing:.2px;}
  }
  @media (max-width:520px){
    .brand-text{font-size:15px;max-width:180px;overflow:hidden;text-overflow:ellipsis;}
    .btn{padding:12px 20px;font-size:14.5px;}
    .hero-actions .btn{width:100%;}
  }

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

/* roulang page: category2 */
:root{
  --bg-0:#050A14;
  --bg-1:#081426;
  --bg-2:#0D1C33;
  --primary:#22D3EE;
  --primary-2:#3B82F6;
  --accent:#8B5CF6;
  --success:#34D399;
  --warning:#FBBF24;
  --text:#EAF2FF;
  --muted:#94A3B8;
  --line:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --radius:20px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(34,211,238,.16), transparent 62%),
    radial-gradient(760px 480px at 88% 4%, rgba(139,92,246,.15), transparent 60%),
    linear-gradient(180deg,#050A14 0%,#060C18 45%,#050A14 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%, rgba(0,0,0,.75), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 12%, rgba(0,0,0,.75), transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:100%}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
main{position:relative;z-index:1}
section{position:relative;z-index:1}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(5,10,20,.9);box-shadow:0 12px 40px rgba(0,0,0,.45)}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:4px}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:14.5px;color:var(--muted);
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(34,211,238,.75);
}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#22D3EE,#3B82F6 58%,#8B5CF6);
  color:#04121F;font-weight:800;font-size:16px;
  box-shadow:0 0 22px rgba(34,211,238,.35),inset 0 1px 0 rgba(255,255,255,.5);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:.4px;
  background:linear-gradient(90deg,#EAF2FF,#8FD8FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn:active{transform:translateY(0) scale(.99)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg-0),0 0 0 4px var(--primary)}
.btn-primary{
  background:linear-gradient(135deg,#22D3EE,#38BDF8);color:#04141F;
  box-shadow:0 0 30px rgba(34,211,238,.35),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 44px rgba(34,211,238,.55),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.6);color:#fff;transform:translateY(-2px);background:rgba(34,211,238,.08)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}

/* ---------- 移动端菜单按钮 ---------- */
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);
  cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:rgba(34,211,238,.55)}
.mobile-panel{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,12,24,.96);backdrop-filter:blur(20px);
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.mobile-panel.open{max-height:420px}
.mobile-panel ul{padding:12px 20px 20px;display:grid;gap:6px}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:12px;color:var(--muted);
  border:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.03);font-size:15px;
}
.mobile-panel a:hover{color:#fff;border-color:rgba(34,211,238,.5)}
.mobile-panel a.active{color:#fff;border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.1)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 64px;
  background-image:linear-gradient(180deg,rgba(5,10,20,.82),rgba(5,10,20,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 78% 18%, rgba(34,211,238,.2), transparent 68%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  color:#9BE9F8;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.32);
}
.hero h1{
  margin-top:20px;font-size:clamp(32px,4.4vw,54px);line-height:1.18;letter-spacing:.5px;
}
.hero h1 .hl{
  background:linear-gradient(100deg,#22D3EE,#7DD3FC 45%,#A78BFA);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:17px;color:#B6C6DC;max-width:540px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--muted);
  padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.trust-chip i{color:var(--primary)}

/* Hero 右侧玻璃面板 */
.glass-panel{
  border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  backdrop-filter:blur(18px);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
  padding:22px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-title{font-size:15px;font-weight:700}
.panel-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#A7F3D0;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.35);padding:5px 10px;border-radius:999px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px rgba(52,211,153,.9)}
.verify-list{margin-top:18px;display:grid;gap:12px}
.verify-item{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:14px;
  border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04);
}
.verify-item.active{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08)}
.verify-num{
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#04141F;background:linear-gradient(135deg,#22D3EE,#38BDF8);
}
.verify-item.pending .verify-num{background:rgba(255,255,255,.14);color:#C9D6E8}
.verify-text{font-size:14px}
.verify-sub{font-size:12px;color:var(--muted)}
.signal-bars{margin-top:18px;display:flex;align-items:flex-end;gap:5px;height:34px}
.signal-bars span{flex:1;border-radius:4px;background:linear-gradient(180deg,rgba(34,211,238,.9),rgba(59,130,246,.35))}
.signal-bars span:nth-child(1){height:32%}
.signal-bars span:nth-child(2){height:54%}
.signal-bars span:nth-child(3){height:72%}
.signal-bars span:nth-child(4){height:88%}
.signal-bars span:nth-child(5){height:100%}

/* ---------- 指标条 ---------- */
.metrics{
  margin-top:-34px;position:relative;z-index:3;
}
.metrics-inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-radius:22px;padding:24px;
  border:1px solid var(--line);background:rgba(9,18,34,.86);
  backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.metric{text-align:center;padding:6px 10px}
.metric + .metric{border-left:1px solid rgba(255,255,255,.08)}
.metric-num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(100deg,#22D3EE,#A78BFA);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-label{margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ---------- 通用板块标题 ---------- */
.section{padding:76px 0}
.section-head{max-width:720px}
.section-kicker{
  display:inline-block;font-size:13px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3vw,36px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* ---------- 分类页主区：目录 + 内容流 ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start}
.toc{
  position:sticky;top:100px;
  border-radius:20px;border:1px solid var(--line);
  background:rgba(255,255,255,.045);backdrop-filter:blur(16px);
  padding:20px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.07);
}
.toc h3{font-size:14px;letter-spacing:1px;color:#BCD0E6;margin-bottom:14px}
.toc ol{list-style:none;counter-reset:toc;display:grid;gap:4px}
.toc li{counter-increment:toc}
.toc a{
  display:flex;align-items:flex-start;gap:8px;
  font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-size:12px;color:rgba(34,211,238,.75);font-variant-numeric:tabular-nums;padding-top:2px;
}
.toc a:hover{color:#fff;background:rgba(34,211,238,.1)}
.toc a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.toc-cta{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.toc-cta p{font-size:13px;color:var(--muted);margin-bottom:10px}

.flow section + section{margin-top:56px}
.flow h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:16px}
.flow h2 .idx{color:rgba(34,211,238,.7);font-size:16px;margin-right:8px;font-variant-numeric:tabular-nums}
.flow h3{font-size:19px;margin:26px 0 10px;color:#DCE9FB}
.flow p{color:#B6C6DC;font-size:16.5px}
.flow p + p{margin-top:14px}
.figure{
  margin-top:24px;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:rgba(255,255,255,.04);box-shadow:var(--shadow);
}
.figure img{width:100%;height:260px;object-fit:cover}
.figure figcaption{padding:12px 16px;font-size:13.5px;color:var(--muted);border-top:1px solid rgba(255,255,255,.07)}

/* 对比卡 */
.compare{margin-top:24px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-card{
  border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  padding:24px;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
}
.compare-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.45);box-shadow:0 24px 50px rgba(0,0,0,.42)}
.compare-card h3{margin-top:0;font-size:18px}
.compare-tag{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:999px;
  color:#9BE9F8;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);margin-bottom:12px;
}
.compare-tag.violet{color:#D8CCFF;background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.34)}
.compare-list{margin-top:14px;display:grid;gap:9px}
.compare-list li{display:flex;gap:9px;font-size:14.5px;color:#B0C2D8}
.compare-list i{color:var(--primary);margin-top:5px;font-size:12px}
.compare-foot{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.09);font-size:13px;color:var(--muted)}

/* 清单 */
.checklist{margin-top:20px;display:grid;gap:12px}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:15px 18px;border-radius:16px;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.045);
  font-size:15.5px;color:#C6D5E8;
}
.checklist i{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex:none;margin-top:2px;
  background:rgba(52,211,153,.16);color:#6EE7B7;font-size:11px;
}
.tip-box{
  margin-top:22px;padding:18px 20px;border-radius:16px;
  border:1px solid rgba(34,211,238,.28);background:rgba(34,211,238,.07);
  font-size:15px;color:#CBE7F2;
}
.tip-box strong{color:#8FE7F8}

/* 问题卡 */
.issue-grid{margin-top:24px;display:grid;gap:18px}
.issue{
  border-radius:18px;border:1px solid var(--line);padding:22px;
  background:rgba(255,255,255,.038);
  transition:border-color .25s ease,background .25s ease;
}
.issue:hover{border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.05)}
.issue-head{display:flex;align-items:center;gap:12px}
.issue-head span.num{
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:rgba(139,92,246,.18);color:#C9B8FF;font-size:13px;font-weight:700;
}
.issue-head h3{margin:0;font-size:17.5px}
.issue p{margin-top:12px;font-size:15px;color:#A9BAD0}
.issue ol{margin-top:10px;padding-left:0;display:grid;gap:6px}
.issue ol li{font-size:14.5px;color:#9FB1C9;padding-left:16px;position:relative}
.issue ol li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:rgba(34,211,238,.7)}

/* ---------- FAQ ---------- */
.faq-wrap{
  border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  padding:30px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.faq-item{border-bottom:1px solid rgba(255,255,255,.09)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:700;color:#E4EEFB;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary:focus-visible{outline:2px solid var(--primary);outline-offset:4px;border-radius:8px}
.faq-item summary .plus{
  width:26px;height:26px;border-radius:50%;flex:none;display:grid;place-items:center;
  border:1px solid rgba(34,211,238,.42);color:var(--primary);font-size:13px;
  transition:transform .3s ease,background .3s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(34,211,238,.16)}
.faq-answer{padding:0 4px 20px;font-size:15.5px;color:#A9BAD0;max-width:820px}

/* ---------- CTA ---------- */
.cta-section{padding:80px 0 96px}
.cta-box{
  position:relative;overflow:hidden;border-radius:28px;
  border:1px solid rgba(34,211,238,.28);
  background:
    radial-gradient(620px 320px at 12% 6%, rgba(34,211,238,.22), transparent 62%),
    radial-gradient(520px 300px at 88% 92%, rgba(139,92,246,.2), transparent 66%),
    linear-gradient(150deg,rgba(13,28,51,.95),rgba(7,15,28,.95));
  padding:44px;box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cta-grid h2{font-size:clamp(24px,2.6vw,32px)}
.cta-grid > div > p{margin-top:14px;color:#B6C6DC;font-size:16px}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:#AFC2D9}
.cta-points i{color:var(--primary);margin-top:5px;font-size:12px}
.form-card{
  border-radius:20px;border:1px solid var(--line);
  background:rgba(255,255,255,.055);backdrop-filter:blur(16px);
  padding:24px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;color:#A9BAD0}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:rgba(5,12,24,.72);
  color:var(--text);font-size:15px;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,163,184,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,211,238,.22);
}
.field textarea{min-height:96px;resize:vertical}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(148,163,184,.85);line-height:1.6}
.form-card .btn{width:100%;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:20px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,20,38,.9),rgba(5,10,20,.98));
  padding:60px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),rgba(139,92,246,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-col h4{font-size:15px;color:#E4EEFB;margin-bottom:16px}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.8}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .22s ease,padding-left .22s ease}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.qr-box{
  margin-top:18px;display:flex;gap:12px;align-items:center;
  padding:13px 15px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.qr-box span{font-size:13px;color:var(--muted);line-height:1.65}
.footer-contact{display:grid;gap:11px}
.footer-contact span{display:flex;gap:9px;font-size:13.8px;color:var(--muted);align-items:flex-start}
.footer-contact i{color:var(--primary);margin-top:4px;font-size:12px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(148,163,184,.9);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .layout{grid-template-columns:1fr;gap:32px}
  .toc{position:static;top:auto}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .metrics-inner{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:none}
}
@media (max-width:900px){
  .nav-group{display:none}
  .header-inner{grid-template-columns:auto 1fr auto;gap:12px}
  .brand{justify-self:center}
  .menu-toggle{display:inline-flex}
  .mobile-panel{display:block}
  .header-cta{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:60px 0 52px}
  .compare{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-box{padding:28px}
  .faq-wrap{padding:20px}
  .figure img{height:200px}
  .metrics{margin-top:-20px}
  .metrics-inner{padding:18px;gap:12px}
  .metric-num{font-size:22px}
}
@media (max-width:520px){
  .container-x{padding-left:16px;padding-right:16px}
  .header-inner{padding:0 16px;height:66px}
  .brand-text{font-size:15px}
  .brand-mark{width:32px;height:32px;font-size:14px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .metrics-inner{grid-template-columns:1fr}
  .metric + .metric{border-left:none;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .toc{padding:16px}
}

/* roulang page: category3 */
:root{
    --bg-0:#050A14;
    --bg-1:#081426;
    --bg-2:#0D1C33;
    --primary:#22D3EE;
    --primary-2:#3B82F6;
    --accent:#8B5CF6;
    --success:#34D399;
    --warning:#FBBF24;
    --text:#EAF2FF;
    --muted:#94A3B8;
    --line:rgba(255,255,255,.12);
    --radius-xl:24px;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:12px;
    --shadow-card:0 20px 60px rgba(0,0,0,.35);
    --shadow-soft:0 12px 36px rgba(0,0,0,.28);
    --container:1280px;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  body{
    margin:0;
    background-color:var(--bg-0);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }

  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    background:
      radial-gradient(900px 520px at 12% -6%, rgba(34,211,238,.16), transparent 62%),
      radial-gradient(760px 460px at 92% 4%, rgba(139,92,246,.14), transparent 60%),
      radial-gradient(900px 620px at 50% 110%, rgba(59,130,246,.12), transparent 65%),
      linear-gradient(180deg, #050A14 0%, #071122 48%, #050A14 100%);
    pointer-events:none;
  }

  body::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    background-image:
      linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 24%, rgba(0,0,0,.9), transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 24%, rgba(0,0,0,.9), transparent 78%);
    pointer-events:none;
  }

  a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}

  .container-x{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 16px;
  }
  @media (min-width:640px){ .container-x{padding:0 24px;} }
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:80;
    background:rgba(5,10,20,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .site-header.scrolled{
    background:rgba(5,10,20,.92);
    border-bottom-color:rgba(255,255,255,.13);
    box-shadow:0 14px 40px rgba(0,0,0,.42);
  }
  .nav-wrap{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:12px;
    height:72px;
  }
  .nav-group{display:flex;align-items:center;gap:4px;}
  .nav-group.right{justify-content:flex-end;gap:8px;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:8px 14px;
    border-radius:999px;
    font-size:15px;
    color:#C7D5EA;
    white-space:nowrap;
    transition:color .25s ease,background .25s ease,box-shadow .25s ease;
  }
  .nav-link:hover{color:#FFFFFF;background:rgba(34,211,238,.10);}
  .nav-link.active{
    color:#FFFFFF;
    background:rgba(34,211,238,.14);
    box-shadow:inset 0 0 0 1px rgba(34,211,238,.38);
  }
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:50%;bottom:-6px;
    width:22px;height:2px;
    transform:translateX(-50%);
    border-radius:2px;
    background:linear-gradient(90deg,var(--primary),var(--primary-2));
    box-shadow:0 0 12px rgba(34,211,238,.8);
  }
  .brand{display:inline-flex;align-items:center;gap:10px;color:#FFFFFF;}
  .brand-mark{
    width:38px;height:38px;
    display:grid;place-items:center;
    border-radius:12px;
    background:linear-gradient(135deg,#22D3EE,#3B82F6);
    color:#04121B;
    font-weight:800;
    font-size:17px;
    box-shadow:0 0 24px rgba(34,211,238,.42), inset 0 1px 0 rgba(255,255,255,.5);
    flex:none;
  }
  .brand-text{font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:12px;
    border:1px solid transparent;
    font-weight:700;
    font-size:15px;
    line-height:1;
    cursor:pointer;
    transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease,filter .25s ease;
  }
  .btn-sm{padding:10px 18px;}
  .btn-lg{padding:15px 28px;font-size:16px;}
  .btn-primary{
    background:linear-gradient(135deg,#22D3EE,#3B82F6);
    color:#04121B;
    box-shadow:0 0 30px rgba(34,211,238,.35);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 44px rgba(34,211,238,.55);}
  .btn-primary:active{transform:translateY(0) scale(.99);}
  .btn-ghost{
    background:rgba(255,255,255,.05);
    border-color:rgba(255,255,255,.18);
    color:#EAF2FF;
    backdrop-filter:blur(10px);
  }
  .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.55);color:#FFFFFF;}
  .btn-ghost:active{transform:translateY(0) scale(.99);}
  .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:2px;
    border-radius:10px;
  }
  .header-cta{box-shadow:0 0 22px rgba(34,211,238,.35);}

  .menu-toggle{
    display:none;
    width:42px;height:42px;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.05);
    color:#EAF2FF;
    cursor:pointer;
  }
  .mobile-panel{
    display:none;
    border-top:1px solid rgba(255,255,255,.08);
    background:rgba(6,12,24,.96);
    backdrop-filter:blur(18px);
    padding:10px 0 18px;
  }
  .mobile-panel.open{display:block;}
  .mobile-panel a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:13px 4px;
    font-size:16px;
    color:#C7D5EA;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .mobile-panel a:last-of-type{border-bottom:0;}
  .mobile-panel a.active{color:#7DE3F5;}
  .mobile-panel a i{font-size:12px;color:rgba(148,163,184,.85);}
  .mobile-cta{display:block;margin-top:16px;}
  .mobile-cta .btn{width:100%;}

  /* ============ 通用板块 ============ */
  .section{padding:72px 0;}
  @media (min-width:1024px){ .section{padding:100px 0;} }
  .section-tight{padding:56px 0;}
  @media (min-width:1024px){ .section-tight{padding:72px 0;} }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    letter-spacing:.4px;
    color:#9FE7F5;
    background:rgba(34,211,238,.10);
    border:1px solid rgba(34,211,238,.28);
  }
  .section-title{
    font-size:30px;
    line-height:1.32;
    font-weight:800;
    letter-spacing:.2px;
    margin:18px 0 0;
  }
  @media (min-width:1024px){ .section-title{font-size:38px;} }
  .section-sub{
    margin-top:14px;
    color:var(--muted);
    font-size:16px;
    line-height:1.85;
    max-width:760px;
  }
  .divider-line{
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(34,211,238,.45),transparent);
  }

  .glass-card{
    background:rgba(255,255,255,.055);
    border:1px solid rgba(255,255,255,.10);
    border-radius:var(--radius-lg);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease,background .3s ease;
  }
  .hover-lift:hover{
    transform:translateY(-4px);
    border-color:rgba(34,211,238,.42);
    box-shadow:0 26px 70px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.12);
  }

  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    line-height:1.6;
  }
  .badge-primary{background:rgba(34,211,238,.14);color:#9FE7F5;border:1px solid rgba(34,211,238,.3);}
  .badge-violet{background:rgba(139,92,246,.16);color:#C4B5FD;border:1px solid rgba(139,92,246,.32);}
  .badge-mint{background:rgba(52,211,153,.14);color:#86EFAC;border:1px solid rgba(52,211,153,.3);}
  .badge-time{background:rgba(148,163,184,.12);color:#B7C5D8;border:1px solid rgba(148,163,184,.22);}
  .badge-warn{background:rgba(251,191,36,.14);color:#FCD34D;border:1px solid rgba(251,191,36,.32);}

  /* ============ 分类页 Hero ============ */
  .page-hero{
    position:relative;
    padding:136px 0 68px;
    overflow:hidden;
  }
  @media (min-width:1024px){ .page-hero{padding:168px 0 96px;} }
  .page-hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    opacity:.30;
    filter:saturate(1.05);
  }
  .page-hero-mask{
    position:absolute;
    inset:0;
    background:
      linear-gradient(180deg, rgba(5,10,20,.86) 0%, rgba(5,10,20,.72) 42%, rgba(5,10,20,.96) 100%),
      radial-gradient(700px 380px at 20% 10%, rgba(34,211,238,.20), transparent 62%);
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:40px;
    align-items:center;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:56px;}
  }
  .hero-title{
    font-size:34px;
    line-height:1.24;
    font-weight:800;
    letter-spacing:.2px;
    margin:20px 0 0;
  }
  @media (min-width:768px){ .hero-title{font-size:44px;} }
  @media (min-width:1024px){ .hero-title{font-size:52px;} }
  .hero-title em{
    font-style:normal;
    background:linear-gradient(120deg,#7DE3F5,#22D3EE 42%,#8B5CF6);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-sub{
    margin-top:20px;
    font-size:16.5px;
    line-height:1.95;
    color:#B7C5D8;
    max-width:640px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-trust{
    display:flex;
    flex-wrap:wrap;
    gap:10px 22px;
    margin-top:30px;
    font-size:13.5px;
    color:#93A6BF;
  }
  .hero-trust span{display:inline-flex;align-items:center;gap:7px;}
  .hero-trust i{color:#43D6E8;font-size:12px;}

  .hero-panel{
    position:relative;
    padding:24px;
    border-radius:var(--radius-xl);
    background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
    border:1px solid rgba(255,255,255,.14);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    box-shadow:0 30px 80px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.14);
  }
  .hero-panel::after{
    content:"";
    position:absolute;
    inset:0;
    border-radius:var(--radius-xl);
    background:radial-gradient(360px 180px at 78% 0%, rgba(34,211,238,.20), transparent 70%);
    pointer-events:none;
  }
  .panel-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    position:relative;
    z-index:1;
  }
  .status-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:12.5px;
    color:#86EFAC;
    background:rgba(52,211,153,.12);
    border:1px solid rgba(52,211,153,.32);
  }
  .status-badge .dot{
    width:7px;height:7px;border-radius:50%;
    background:#34D399;
    box-shadow:0 0 10px rgba(52,211,153,.9);
  }
  .panel-code{
    font-size:12.5px;
    color:#8FA3BC;
    letter-spacing:1px;
    font-variant-numeric:tabular-nums;
  }
  .panel-steps{
    position:relative;
    z-index:1;
    margin-top:22px;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .panel-step{
    display:flex;
    align-items:center;
    gap:12px;
    padding:12px 14px;
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.09);
    font-size:14.5px;
    color:#CAD8EA;
  }
  .panel-step.on{
    border-color:rgba(34,211,238,.42);
    background:rgba(34,211,238,.10);
    color:#FFFFFF;
  }
  .step-dot{
    width:22px;height:22px;
    flex:none;
    border-radius:50%;
    display:grid;place-items:center;
    font-size:11px;
    font-weight:700;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);
    color:#A9BBD1;
    font-variant-numeric:tabular-nums;
  }
  .panel-step.on .step-dot{
    background:linear-gradient(135deg,#22D3EE,#3B82F6);
    color:#04121B;
    border-color:transparent;
  }
  .signal-row{
    position:relative;
    z-index:1;
    margin-top:22px;
    display:flex;
    align-items:flex-end;
    gap:6px;
    height:46px;
    padding:12px 14px 10px;
    border-radius:var(--radius-sm);
    background:rgba(0,0,0,.22);
    border:1px solid rgba(255,255,255,.08);
  }
  .signal-row .bar{
    flex:1;
    border-radius:4px;
    background:linear-gradient(180deg,#22D3EE,#3B82F6);
    opacity:.85;
  }
  .signal-row .bar:nth-child(1){height:34%;}
  .signal-row .bar:nth-child(2){height:52%;}
  .signal-row .bar:nth-child(3){height:70%;}
  .signal-row .bar:nth-child(4){height:88%;opacity:1;box-shadow:0 0 16px rgba(34,211,238,.6);}
  .signal-row .bar:nth-child(5){height:46%;opacity:.5;}
  .signal-row .bar:nth-child(6){height:62%;opacity:.7;}
  .chips{
    position:relative;
    z-index:1;
    margin-top:18px;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }

  /* ============ 指标条 ============ */
  .stat-strip{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:1px;
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.11);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-soft);
  }
  @media (min-width:1024px){ .stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));} }
  .stat-item{
    padding:24px 22px;
    background:rgba(9,18,34,.86);
    transition:background .3s ease;
  }
  .stat-item:hover{background:rgba(13,28,51,.94);}
  .stat-num{
    font-size:28px;
    font-weight:800;
    line-height:1.2;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(120deg,#EAF2FF,#7DE3F5);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .stat-label{
    margin-top:8px;
    font-size:13.5px;
    color:#93A6BF;
    line-height:1.7;
  }

  /* ============ 报错速查卡 ============ */
  .err-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    margin-top:44px;
  }
  @media (min-width:768px){ .err-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .err-grid{grid-template-columns:1.15fr .85fr;grid-template-rows:auto auto;} }
  .err-card{
    padding:26px;
    position:relative;
    overflow:hidden;
  }
  .err-card .err-icon{
    width:46px;height:46px;
    display:grid;place-items:center;
    border-radius:14px;
    font-size:18px;
    background:rgba(34,211,238,.12);
    border:1px solid rgba(34,211,238,.3);
    color:#7DE3F5;
  }
  .err-card h3{
    margin:18px 0 0;
    font-size:19px;
    font-weight:800;
    line-height:1.5;
  }
  .err-card p{
    margin:12px 0 0;
    font-size:15px;
    line-height:1.9;
    color:#A9BBD1;
  }
  .err-card .err-actions{
    margin-top:18px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }
  .mini-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13.5px;
    font-weight:700;
    color:#7DE3F5;
    transition:color .25s ease,gap .25s ease;
  }
  .mini-link:hover{color:#FFFFFF;gap:10px;}

  /* ============ 问答流 ============ */
  .faq-list{
    margin-top:36px;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-item{
    border-radius:var(--radius-lg);
    border:1px solid rgba(255,255,255,.10);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    overflow:hidden;
    transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;
  }
  .faq-item:hover{border-color:rgba(34,211,238,.28);}
  .faq-item.open{
    border-color:rgba(34,211,238,.42);
    background:rgba(34,211,238,.06);
    box-shadow:0 20px 50px rgba(0,0,0,.34);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    gap:16px;
    padding:20px 22px;
    background:transparent;
    border:0;
    color:var(--text);
    cursor:pointer;
    text-align:left;
  }
  .faq-index{
    flex:none;
    width:34px;height:34px;
    display:grid;place-items:center;
    border-radius:11px;
    font-size:13px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    color:#7DE3F5;
    background:rgba(34,211,238,.12);
    border:1px solid rgba(34,211,238,.26);
  }
  .faq-item.open .faq-index{
    background:linear-gradient(135deg,#22D3EE,#3B82F6);
    color:#04121B;
    border-color:transparent;
  }
  .faq-text{
    flex:1;
    font-size:16.5px;
    font-weight:700;
    line-height:1.65;
  }
  .faq-icon{
    flex:none;
    width:30px;height:30px;
    display:grid;place-items:center;
    border-radius:50%;
    font-size:12px;
    color:#9FE7F5;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    transition:transform .3s ease,background .3s ease;
  }
  .faq-item.open .faq-icon{
    transform:rotate(180deg);
    background:rgba(34,211,238,.18);
  }
  .faq-a{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows .34s ease;
  }
  .faq-item.open .faq-a{grid-template-rows:1fr;}
  .faq-a-inner{overflow:hidden;}
  .faq-a-inner p{
    margin:0;
    padding:0 22px 22px 72px;
    font-size:15px;
    line-height:1.95;
    color:#A9BBD1;
  }
  @media (max-width:640px){
    .faq-a-inner p{padding:0 20px 20px 20px;}
    .faq-text{font-size:15.5px;}
  }

  /* ============ 资源卡 ============ */
  .res-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
    margin-top:40px;
  }
  @media (min-width:768px){ .res-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .res-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
  .res-card{overflow:hidden;display:flex;flex-direction:column;}
  .res-thumb{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:linear-gradient(135deg,#0D1C33,#050A14);
  }
  .res-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .res-card:hover .res-thumb img{transform:scale(1.05);}
  .res-thumb::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,10,20,.05),rgba(5,10,20,.75));
  }
  .res-thumb .badge{position:absolute;left:14px;top:14px;z-index:1;}
  .res-body{padding:22px;display:flex;flex-direction:column;flex:1;}
  .res-body h3{margin:0;font-size:18px;font-weight:800;line-height:1.6;}
  .res-body p{margin:12px 0 0;font-size:14.5px;line-height:1.9;color:#A9BBD1;flex:1;}
  .res-body .mini-link{margin-top:18px;}

  /* ============ 关联入口 ============ */
  .link-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:18px;
    margin-top:36px;
  }
  @media (min-width:768px){ .link-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
  .link-card{
    padding:24px;
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .link-card .lc-top{
    display:flex;align-items:center;gap:12px;
  }
  .lc-icon{
    width:42px;height:42px;flex:none;
    display:grid;place-items:center;
    border-radius:13px;
    font-size:16px;
    background:rgba(139,92,246,.14);
    border:1px solid rgba(139,92,246,.32);
    color:#C4B5FD;
  }
  .link-card h3{margin:0;font-size:17px;font-weight:800;}
  .link-card p{margin:0;font-size:14.5px;line-height:1.9;color:#A9BBD1;flex:1;}

  /* ============ CTA 与表单 ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-xl);
    border:1px solid rgba(34,211,238,.26);
    background:
      radial-gradient(620px 320px at 12% 0%, rgba(34,211,238,.22), transparent 62%),
      radial-gradient(540px 300px at 92% 100%, rgba(139,92,246,.20), transparent 66%),
      linear-gradient(150deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
    box-shadow:0 30px 90px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.12);
    padding:36px 26px;
  }
  @media (min-width:1024px){ .cta-band{padding:56px 48px;} }
  .cta-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
    align-items:start;
  }
  @media (min-width:1024px){ .cta-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:52px;} }
  .cta-title{
    font-size:28px;
    line-height:1.34;
    font-weight:800;
    margin:18px 0 0;
  }
  @media (min-width:1024px){ .cta-title{font-size:34px;} }
  .cta-list{
    margin:24px 0 0;
    padding:0;
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .cta-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:15px;
    color:#BACADD;
    line-height:1.8;
  }
  .cta-list i{color:#43D6E8;font-size:13px;margin-top:6px;}

  .form-card{
    padding:26px;
    border-radius:var(--radius-lg);
    background:rgba(6,14,28,.72);
    border:1px solid rgba(255,255,255,.12);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-soft);
  }
  .form-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  @media (min-width:768px){ .form-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-size:13.5px;color:#9FB2C9;}
  .input,.select,.textarea{
    width:100%;
    padding:12px 14px;
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.14);
    color:var(--text);
    font-size:15px;
    font-family:inherit;
    transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .textarea{min-height:104px;resize:vertical;}
  .input::placeholder,.textarea::placeholder{color:#6C7F98;}
  .input:focus,.select:focus,.textarea:focus{
    outline:none;
    border-color:rgba(34,211,238,.75);
    box-shadow:0 0 0 3px rgba(34,211,238,.16);
    background:rgba(255,255,255,.07);
  }
  .select option{background:#081426;color:#EAF2FF;}
  .form-note{margin-top:14px;font-size:12.5px;color:#7C8FA6;line-height:1.8;}
  .form-msg{
    margin-top:14px;
    display:none;
    padding:12px 14px;
    border-radius:var(--radius-sm);
    font-size:14px;
    color:#86EFAC;
    background:rgba(52,211,153,.12);
    border:1px solid rgba(52,211,153,.32);
  }
  .form-msg.show{display:block;}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;
    margin-top:24px;
    padding:64px 0 28px;
    background:linear-gradient(180deg,rgba(6,13,26,.6),rgba(3,7,15,.95));
    border-top:1px solid rgba(255,255,255,.08);
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(34,211,238,.6),rgba(139,92,246,.5),transparent);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;} }
  .footer-col h4{
    margin:0 0 18px;
    font-size:15px;
    font-weight:800;
    letter-spacing:.6px;
    color:#EAF2FF;
  }
  .footer-col p{
    margin:0;
    font-size:14px;
    line-height:1.95;
    color:#93A6BF;
    max-width:340px;
  }
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
  .footer-col ul a{
    font-size:14px;
    color:#A9BBD1;
    transition:color .25s ease,padding-left .25s ease;
  }
  .footer-col ul a:hover{color:#7DE3F5;padding-left:5px;}
  .qr-box{
    margin-top:18px;
    display:flex;
    align-items:center;
    gap:12px;
    padding:14px;
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.10);
    font-size:13px;
    color:#9FB2C9;
    line-height:1.75;
  }
  .footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9BBD1;}
  .footer-contact span{display:flex;align-items:flex-start;gap:10px;line-height:1.8;}
  .footer-contact i{color:#43D6E8;margin-top:5px;font-size:13px;}
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    align-items:center;
    justify-content:space-between;
    font-size:13px;
    color:#7C8FA6;
  }

  @media (max-width:1023px){
    .nav-group{display:none;}
    .menu-toggle{display:inline-flex;}
    .nav-wrap{grid-template-columns:auto 1fr auto;height:64px;}
    .brand{justify-self:center;}
    .nav-wrap > .nav-group.right{justify-content:flex-end;}
    .nav-wrap > .nav-group.right .header-cta{display:none;}
  }
  @media (max-width:520px){
    .brand-text{font-size:15px;}
    .brand-mark{width:34px;height:34px;font-size:15px;}
    .hero-title{font-size:30px;}
    .section-title{font-size:26px;}
    .cta-title{font-size:24px;}
    .faq-q{padding:16px;}
  }