:root{
  --bg:#0b0b0b;
  --fg:#111;
  --text:#1a1a1a;
  --muted:#666;
  --brand:#0f172a;
  --accent:#b91c1c;
  --card:#ffffff;
  --border:#e5e7eb;
  --max:1100px;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font);color:var(--text);background:#fafafa;line-height:1.55}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.topbar{background:#fff;border-bottom:1px solid var(--border);font-size:14px}
.topbar .wrap{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:10px 0}
.topbar .meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted)}
.topbar .meta a{color:var(--muted);text-decoration:none}
.header{background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:#fff}
.brand strong{letter-spacing:.3px}
.menu{display:flex;gap:18px;align-items:center}
.menu a{font-size:14px;text-decoration:none;color:var(--muted)}
.menu a.active{color:var(--text);font-weight:600}
.menu a.cta{background:var(--accent);color:#fff;padding:9px 12px;border-radius:12px;box-shadow:var(--shadow)}
.burger{display:none;background:transparent;border:1px solid var(--border);border-radius:12px;padding:9px 10px}
.burger span{display:block;width:18px;height:2px;background:#111;margin:4px 0}
@media (max-width: 860px){
  .menu{display:none;position:absolute;left:18px;right:18px;top:62px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;flex-direction:column;align-items:flex-start}
  .menu.open{display:flex}
  .burger{display:inline-flex;align-items:center}
  .header{position:sticky}
}

.hero{padding:44px 0 20px}
.hero .panel{background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:28px}
.kicker{color:var(--muted);text-transform:uppercase;font-size:12px;letter-spacing:2px}
.h1{font-size:44px;line-height:1.05;margin:10px 0 8px;letter-spacing:-.5px}
.sub{color:var(--muted);max-width:70ch}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
@media (max-width: 860px){
  .h1{font-size:34px}
}

.section{padding:10px 0 26px}
.section h2{font-size:26px;margin:0 0 10px}
.section h3{font-size:18px;margin:22px 0 8px}
.section p{margin:0 0 10px}
.section ul{margin:0 0 12px;padding-left:18px}
hr.sep{border:0;border-top:1px solid var(--border);margin:22px 0}

.footer{background:#0b0b0b;color:#e5e7eb;margin-top:40px}
.footer a{color:#e5e7eb;text-decoration:none}
.footer .wrap{padding:28px 0}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.footer h4{margin:0 0 10px}
.footer p,.footer li{color:#cbd5e1}
.footer ul{margin:0;padding-left:18px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:18px;padding-top:14px;color:#cbd5e1;font-size:13px}
.notice{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;padding:12px 14px;border-radius:14px;margin:14px 0}
.small{font-size:13px;color:var(--muted)}