*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1b1f2a;background:#f7f8fb;line-height:1.55}
a{color:#0b5fff}header{background:#111827;color:#fff}header .w{display:flex;justify-content:space-between;align-items:center}header a{color:#fff;text-decoration:none;margin-left:18px}
.w{max-width:1040px;margin:0 auto;padding:18px 22px}.brand b{color:#f59e0b}.hero{background:linear-gradient(135deg,#111827,#1e3a8a);color:#fff;padding:56px 0}
.hero h1{font-size:40px;margin:0 0 10px}.hero p{font-size:19px;max-width:640px;opacity:.9}input,button{font:inherit;padding:11px 14px;border-radius:8px;border:1px solid #cbd2e1}
button{background:#f59e0b;border:0;font-weight:700;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{background:#fff;border:1px solid #e3e7ef;border-radius:12px;padding:16px}.card h3{margin:0 0 6px;font-size:17px}.tag{display:inline-block;font-size:12px;background:#eef2ff;color:#3730a3;border-radius:99px;padding:2px 9px;margin-right:6px}
pre{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:16px;border-radius:10px}.warn{background:#fff7ed;border-left:4px solid #f59e0b;padding:12px 16px;border-radius:6px}
footer{color:#6b7280;font-size:14px;border-top:1px solid #e3e7ef;margin-top:40px}.news{background:#fff;border:1px solid #e3e7ef;border-radius:12px;padding:22px;margin:28px 0}