:root{--paper:#f7f6fb;--raised:#fff;--ink:#16141f;--soft:#5f5a75;--rule:#e3dff2;--uv:#6b4df0;--uv-deep:#4a2fd1;--amber:#b8632f;--amber-text:#9f5327}
@media(prefers-color-scheme:dark){:root{--paper:#131120;--raised:#1c1930;--ink:#f0eefb;--soft:#a49dc4;--rule:#2e2947;--uv:#9b83ff;--uv-deep:#b9a6ff;--amber:#dd9058;--amber-text:#dd9058}}
*{box-sizing:border-box}body{margin:0;padding:0 24px 80px;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:680px;margin:0 auto}.langs{padding:18px 0 0;font-size:13px;color:var(--soft)}.langs a{color:var(--uv-deep);text-decoration:none}.langs a:hover{text-decoration:underline}
header{display:flex;align-items:center;gap:14px;padding:40px 0 8px}.mark{width:44px;height:44px;border-radius:10px;flex:none}h1{margin:0;font-size:22px;font-weight:650;letter-spacing:-.02em}.sub{margin:4px 0 0;font-size:15px;color:var(--soft)}
section{background:var(--raised);border:1px solid var(--rule);border-radius:9px;padding:20px 22px;margin:18px 0}section.warn{border-left:2px solid var(--amber)}section.warn h2{color:var(--amber-text)}
h2{margin:0 0 12px;font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}
ul,ol{margin:0;padding-left:22px}li{margin-bottom:9px}li:last-child{margin-bottom:0}p{margin:0 0 12px}
.cta{display:inline-block;margin-top:6px;padding:10px 14px;background:var(--uv);color:#fff;border-radius:6px;text-decoration:none;font-weight:600;font-size:14px}.cta:hover{background:var(--uv-deep)}
footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--rule);font-size:13px;color:var(--soft)}footer a{color:var(--uv-deep)}