:root{
  --bg:#0f172a;        /* slate-900 */
  --panel:#111827;     /* gray-900 */
  --muted:#94a3b8;     /* slate-400 */
  --text:#e5e7eb;      /* gray-200 */
  --accent:#22c55e;    /* green-500 */
  --card:#0b1220;
  --ring:#334155;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans","Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";line-height:1.65}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1040px;margin:0 auto;padding:24px}
.nav{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--ring)}
.nav .brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.3px}
.nav .links a{margin-left:16px;font-weight:600;color:var(--text)}
.badge{background:rgba(34,197,94,.12);color:#86efac;border:1px solid rgba(34,197,94,.35);padding:2px 8px;border-radius:999px;font-size:12px}
.hero{padding:36px 0}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));border:1px solid var(--ring);border-radius:16px;padding:18px}
.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
main article{background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));border:1px solid var(--ring);border-radius:18px;padding:24px}
h1{font-size:36px;margin:0 0 10px}
h2{font-size:24px;margin:24px 0 8px}
h3{font-size:18px;margin:18px 0 6px}
footer{margin-top:40px;padding:24px 0;border-top:1px solid var(--ring);color:var(--muted);font-size:14px}
.breadcrumbs{font-size:14px;color:var(--muted);margin:6px 0 18px}
.prose p{margin:0 0 12px}
.notice{padding:10px 12px;border:1px dashed var(--ring);border-radius:12px;background:rgba(255,255,255,.02);color:var(--muted);font-size:14px}
.kicker{display:flex;gap:10px;align-items:center}
.btn{display:inline-block;background:var(--accent);color:#052e16;padding:10px 14px;border-radius:10px;font-weight:700;border:0}
.btn:focus{outline:2px solid #34d399;outline-offset:3px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
img{max-width:100%;height:auto;border-radius:12px}