:root{--bg:#070b13;--card:#111827;--line:#2a364a;--text:#f4f7fb;--muted:#9ba8bd;--accent:#4d8dff;--green:#42dda2;--amber:#ffb448;--red:#ff6576}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.55}.wrap{max-width:1080px;margin:auto;padding:24px}.top{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid #172033;position:sticky;top:0;background:rgba(7,11,19,.96);z-index:10}.brand{font-weight:800;font-size:24px}.brand b{color:var(--accent)}.langs a,.btn{display:inline-block;border:1px solid var(--line);border-radius:14px;padding:9px 14px;color:var(--text);text-decoration:none;margin-left:5px}.langs a.active,.btn.primary{background:#15325f;border-color:#2d69bd}.hero{padding:56px 0 24px}.hero h1{font-size:clamp(38px,7vw,68px);line-height:1.03;margin:0 0 16px}.lead{font-size:20px;color:var(--muted);max-width:850px}.notice{border:1px solid #1d5e48;background:#0c261e;border-radius:18px;padding:16px 18px;margin:22px 0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;margin:18px 0}.card h2{margin-top:0;font-size:28px}.card h3{margin-bottom:8px}.step{display:grid;grid-template-columns:42px 1fr;gap:13px;margin:16px 0}.num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#173765;color:#fff;font-weight:700}.good{color:var(--green)}.warn{color:var(--amber)}.danger{color:var(--red)}code{background:#0b1220;padding:2px 6px;border-radius:6px}.toc a{color:#bcd2ff;text-decoration:none}.toc li{margin:7px 0}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid var(--line);padding:12px 8px;text-align:left;vertical-align:top}th{color:#cfe0ff}.small{font-size:14px;color:var(--muted)}.footer{color:var(--muted);padding:30px 0 70px}.badge{display:inline-block;border-radius:999px;padding:5px 10px;background:#0c2a1e;color:var(--green);font-weight:700;font-size:13px}@media(max-width:760px){.grid{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}.langs a{margin-left:0;margin-right:4px}.wrap{padding:16px}.hero{padding-top:34px}.card{padding:18px}.hero h1{font-size:40px}}