:root{
  --bg:#0f172a;
  --card:#111827;
  --soft:#1f2937;
  --text:#e5e7eb;
  --muted:#cbd5e1;
  --line:#334155;
  --accent:#22c55e;
  --accent2:#16a34a;
  --warm:#f59e0b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:#111827;
  background:#f8fafc;
  line-height:1.72;
}
a{color:#0f766e;text-decoration:none}
a:hover{text-decoration:underline}
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(15,23,42,.95);
  color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.topbar .wrap, .hero .wrap, .container, .footer .wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:58px}
.brand{font-weight:700;letter-spacing:.3px}
.nav{display:flex;gap:16px;flex-wrap:wrap}
.nav a{color:#e2e8f0;font-size:14px}
.hero{
  background:linear-gradient(135deg,#0f172a,#14532d 65%,#166534);
  color:#fff;padding:44px 0 28px;
}
.hero-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:24px;align-items:center}
.badge{
  display:inline-block;padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);font-size:13px;margin-bottom:14px
}
.hero h1{font-size:38px;line-height:1.15;margin:0 0 16px}
.hero p{font-size:17px;color:#e2e8f0;margin:0 0 20px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 18px;border-radius:12px;font-weight:700;
  border:1px solid transparent
}
.btn.primary{background:#22c55e;color:#06230f}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.hero-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:18px
}
.hero-card h3{margin:0 0 10px;font-size:20px}
.hero-list{margin:0;padding-left:18px;color:#e2e8f0}
.container{padding:28px 18px 48px}
.grid{
  display:grid;grid-template-columns:2fr .95fr;gap:26px
}
.card{
  background:#fff;border:1px solid #e5e7eb;border-radius:22px;
  padding:24px;box-shadow:0 8px 24px rgba(15,23,42,.05)
}
.card h2{font-size:28px;margin:0 0 14px}
.card h3{font-size:22px;margin:28px 0 12px}
.card p{margin:0 0 14px;color:#1f2937}
.card ul,.card ol{margin:8px 0 16px 22px}
.card li{margin:7px 0}
.note{
  border-left:4px solid var(--accent);background:#f0fdf4;padding:14px 16px;border-radius:12px;margin:18px 0
}
.warning{
  border-left:4px solid var(--warm);background:#fff7ed;padding:14px 16px;border-radius:12px;margin:18px 0
}
.mini-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:16px 0
}
.mini{
  border:1px solid #e5e7eb;border-radius:16px;padding:16px;background:#fcfcfd
}
.sidebar .card{position:sticky;top:78px}
.pill-list{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  padding:8px 10px;border-radius:999px;background:#f1f5f9;border:1px solid #e2e8f0;font-size:13px;color:#0f172a
}
.app-list{columns:2;column-gap:22px}
.faq details{
  border:1px solid #e5e7eb;border-radius:16px;padding:14px 16px;background:#fff;margin:10px 0
}
.faq summary{cursor:pointer;font-weight:700}
.related{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px
}
.related a{
  display:block;padding:14px 16px;border:1px solid #e5e7eb;border-radius:16px;background:#fff
}
.footer{
  background:#0f172a;color:#cbd5e1;padding:24px 0 36px;border-top:1px solid rgba(255,255,255,.08)
}
.footer a{color:#e2e8f0}
.small{font-size:13px;color:#64748b}
@media (max-width: 900px){
  .hero-grid,.grid{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .app-list{columns:1}
  .related,.mini-grid{grid-template-columns:1fr}
}