:root{--bg:#0b0b0d;--card:#16161a;--text:#f2f2f5;--muted:#a1a1aa;--accent:#c6ff1a;--line:#2a2a30}
@media (prefers-color-scheme: light){:root{--bg:#f6f6f8;--card:#fff;--text:#111114;--muted:#5b5b66;--accent:#4d7c0f;--line:#e4e4ea}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
h1{font-size:28px;line-height:1.2;margin:8px 0 4px}h2{font-size:19px;margin:28px 0 8px}
p,li{color:var(--text)}.muted{color:var(--muted);font-size:14px}a{color:var(--accent)}
.langs{display:flex;gap:8px;margin:16px 0 8px;flex-wrap:wrap}.langs button{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font:inherit;cursor:pointer}
.langs button[aria-pressed=true]{background:var(--accent);color:#111;border-color:var(--accent)}
section[data-lang]{display:none}section[data-lang].on{display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px}
.brand img{width:36px;height:36px;border-radius:9px}