:root{--bg:#0b1220;--fg:#0f172a;--card:#ffffff;--muted:#6b7280;--accent:#2563eb}
*{box-sizing:border-box}
body{margin:0;background:#f6f7fb;color:#0f172a;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
.container{max-width:1100px;margin:0 auto;padding:16px}
.header{display:flex;justify-content:space-between;align-items:center}
.brand{font-weight:700;font-size:20px}
nav .lang{border:1px solid #d1d5db;background:#fff;color:#111;padding:6px 10px;border-radius:8px;margin-left:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.hero{background:linear-gradient(180deg,#ffffff 0%,#f1f5ff 100%)}
.footer{padding:24px;color:#6b7280;text-align:center}
.list{list-style:none;padding-left:0;margin:0}
.list li{padding:6px 0;border-bottom:1px dashed #eee}
.notice{background:#f0fdf4;border-color:#bbf7d0}
@media (prefers-color-scheme: dark){
  body{background:#0b1220;color:#e5e7eb}
  .card{background:#0f172a;border-color:#1f2937}
  .hero{background:linear-gradient(180deg,#0f172a 0%,#111827 100%)}
  nav .lang{background:#111827;color:#e5e7eb;border-color:#374151}
  .list li{border-color:#1f2937}
  .notice{background:#052e18;border-color:#14532d}
}