:root{
  --bg:#0b1020;
  --card:#131a2e;
  --text:#f7f8fb;
  --muted:#aeb7ca;
  --line:#26304b;
  --accent:#7dd3fc;
  --accent2:#c4b5fd;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(180deg,#0b1020 0%,#0e1428 100%);
  color:var(--text);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.nav{
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(14px);
  background:rgba(11,16,32,.78);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{
  min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand{font-weight:700;letter-spacing:.2px}
.nav-links{display:flex;gap:20px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.nav-links a:hover{color:var(--text)}
.hero{padding:96px 0 72px}
.eyebrow{
  display:inline-block;padding:6px 10px;border:1px solid var(--line);
  border-radius:999px;color:var(--muted);font-size:13px;margin-bottom:20px
}
h1{font-size:clamp(42px,7vw,76px);line-height:1.05;margin:0 0 22px;letter-spacing:-2px}
.hero p{max-width:720px;color:var(--muted);font-size:19px;margin:0 0 28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 18px;border-radius:12px;border:1px solid var(--line);
  font-weight:600
}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#0b1020;border:none
}
.section{padding:68px 0}
.section h2{font-size:32px;margin:0 0 14px}
.section-intro{color:var(--muted);max-width:760px;margin-bottom:28px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  border:1px solid var(--line);background:rgba(19,26,46,.78);
  border-radius:18px;padding:24px
}
.card h3{margin:0 0 10px;font-size:20px}
.card p{margin:0;color:var(--muted)}
.product{
  display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch
}
.product .card{min-height:220px}
.kicker{color:var(--accent);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.meta{color:var(--muted);font-size:14px}
.footer{border-top:1px solid var(--line);margin-top:48px;padding:34px 0 50px;color:var(--muted);font-size:14px}
.page{padding:72px 0}
.page h1{font-size:44px;letter-spacing:-1px}
.page h2{font-size:24px;margin-top:34px}
.page p,.page li{color:var(--muted)}
.notice{border-left:3px solid var(--accent);padding:12px 16px;background:rgba(125,211,252,.06);border-radius:8px}
@media(max-width:800px){
  .grid,.product{grid-template-columns:1fr}
  .hero{padding-top:68px}
  .nav-inner{align-items:flex-start;flex-direction:column;padding-top:16px;padding-bottom:16px}
}