:root{--bg:#0b0f19;--card:#141b2b;--text:#f4f7fb;--muted:#b8c2d6;--accent:#00f5d4;--line:#2b3852;--warn:#ffd166}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}header{padding:34px 18px 18px;border-bottom:1px solid var(--line)}.wrap{max-width:980px;margin:auto}.brand{display:flex;gap:18px;align-items:center}.brand img{width:72px;height:72px;border-radius:18px}.brand h1{margin:0}.brand p{margin:3px 0;color:var(--muted)}nav{border-bottom:1px solid var(--line)}nav .wrap{display:flex;gap:18px;flex-wrap:wrap;padding:12px 18px}main{padding:28px 18px 60px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;margin-bottom:18px}h2{margin-top:1.6em}.notice{padding:16px;border-left:4px solid var(--accent);background:#101827;border-radius:8px}.warning{border-color:var(--warn)}footer{text-align:center;color:var(--muted);padding:30px 18px;border-top:1px solid var(--line)}code{background:#0a1220;padding:2px 5px;border-radius:5px}ul{padding-left:24px}@media(max-width:600px){.card{padding:20px}.brand img{width:58px;height:58px}}