:root{--bg: #0a1020;--panel: #111a2e;--line: #22314f;--fg: #e8eef8;--muted: #93a3bd;--accent: #38bdf8;--warn: #f5b942}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.7 Be Vietnam Pro,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}.wrap{max-width:760px;margin:0 auto;padding:28px 20px 72px}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}.brand img{width:32px;height:32px;border-radius:8px}.brand b{font-size:16px;letter-spacing:-.01em}.langsw{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:3px}.langsw button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:700;padding:5px 14px;border-radius:999px;cursor:pointer}.langsw button.on{background:var(--accent);color:#04121f}h1{font-size:27px;line-height:1.25;margin:26px 0 6px;letter-spacing:-.02em}.updated{color:var(--muted);font-size:13px;margin:0 0 30px}h2{font-size:17px;margin:32px 0 10px;letter-spacing:-.01em}p,li{color:#d3dcea}ul{padding-left:20px}li{margin:5px 0}a{color:var(--accent)}strong{color:#fff}.key{background:#38bdf812;border:1px solid rgba(56,189,248,.3);border-left-width:3px;border-radius:10px;padding:14px 16px;margin:18px 0}.key p{margin:0}.key p+p{margin-top:8px}table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}.foot{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.foot a{margin-right:14px}[data-lang]{display:none}[data-lang].show{display:block}@media(max-width:560px){h1{font-size:23px}.wrap{padding:20px 16px 56px}}