:root{
  --c-cyan:#47C6D9;
  --c-blue:#4F86D9;
  --c-indigo:#6A66D9;
  --c-purple:#A84BD9;
  --bg:#ffffff;
  --ink:#14131A;
  --muted:#5B5A67;
  --border:rgba(20,19,26,.10);
  --shadow:0 14px 40px rgba(20,19,26,.10);
  --radius:22px;
  --grad:linear-gradient(35deg,var(--c-cyan),var(--c-blue),var(--c-indigo),var(--c-purple));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Manrope,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(1200px 700px at 20% 0%, rgba(71,198,217,.14), transparent 60%),
    radial-gradient(1000px 650px at 80% 10%, rgba(168,75,217,.12), transparent 55%),
    var(--bg);
  color:var(--ink);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:24px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0 20px;
}
.brand{display:flex;align-items:center;gap:14px}
.logo{
  width:52px;
  height:52px;
  border-radius:16px;
  display:block;
  object-fit:cover;
  box-shadow:0 12px 24px rgba(80,90,217,.22);
}
.brand .name{font-weight:800;font-size:20px;letter-spacing:-.03em}
.brand .tag{font-size:13px;color:var(--muted);margin-top:2px}
.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;align-items:center;color:var(--muted);font-size:14px}
.nav a{padding:8px 10px;border-radius:10px}
.nav a:hover{background:rgba(20,19,26,.05);color:var(--ink)}
.lang-switch{border:1px solid var(--border);background:rgba(255,255,255,.82);color:var(--ink);font-weight:700}
.page{
  border:1px solid var(--border);
  border-radius:calc(var(--radius) + 4px);
  background:rgba(255,255,255,.74);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero{
  display:grid;grid-template-columns:1.08fr .92fr;gap:24px;padding:22px;
  background:
    radial-gradient(900px 260px at 20% 10%, rgba(71,198,217,.14), transparent 60%),
    radial-gradient(900px 260px at 80% 20%, rgba(168,75,217,.12), transparent 55%),
    rgba(255,255,255,.60);
}
.card{
  border:1px solid var(--border);border-radius:var(--radius);background:rgba(255,255,255,.86);
  padding:18px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.82);color:var(--muted);font-size:13px;font-weight:700;margin-bottom:14px
}
.dot{width:8px;height:8px;border-radius:999px;background:var(--grad);display:inline-block}
h1{margin:0 0 12px;font-size:clamp(34px,4vw,54px);line-height:1.02;letter-spacing:-.05em}
h2{margin:0 0 10px;font-size:24px;letter-spacing:-.03em}
h3{margin:0 0 8px;font-size:16px}
.sub{margin:0 0 18px;color:var(--muted);font-size:17px;max-width:64ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 18px;border-radius:14px;font-weight:800;border:1px solid var(--border);
  transition:transform .08s ease,box-shadow .18s ease,background .18s ease;white-space:nowrap
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 12px 28px rgba(80,90,217,.20)}
.btn-secondary{background:rgba(255,255,255,.82)}
.btn:hover{filter:brightness(1.02)}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.82);color:var(--muted);font-size:13px;font-weight:700
}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;padding:0 22px 22px}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.span-12{grid-column:span 12}
.note{
  margin-top:14px;border:1px solid var(--border);border-radius:16px;background:rgba(255,255,255,.86);
  padding:14px;color:var(--muted);font-size:14px
}
.steps{margin:10px 0 0 18px;padding:0}
.steps li{margin:8px 0;color:#2b2a35}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;background:rgba(20,19,26,.06);padding:2px 6px;border-radius:8px;border:1px solid rgba(20,19,26,.08)}
.footer{
  padding:22px 0 30px;color:var(--muted);font-size:13px;border-top:1px solid rgba(20,19,26,.08);margin-top:20px
}
.footer-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a:hover{color:var(--ink)}
.section-title{margin:0 0 8px;font-size:28px;letter-spacing:-.03em}
.section-sub{margin:0 0 16px;color:var(--muted)}
.inline{text-decoration:underline;text-underline-offset:3px}
@media (max-width:900px){
  .nav{display:none}
  .hero{grid-template-columns:1fr}
  .span-4,.span-6{grid-column:span 12}
}