:root{--bg:#FFFFFF;--text:#18161D;--muted:#6E6A78;--primary:#6B4FBB;--surface:#F7F6F9;--border:#E6E2EE}
@media (prefers-color-scheme:dark){:root{--bg:#0E0D12;--text:#F2F0F6;--muted:#A19DAD;--primary:#B8A4F2;--surface:#18161F;--border:#2C2A35}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 20px 80px}
header{display:flex;align-items:center;gap:12px;margin-bottom:28px}
header a{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;font-size:20px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px;letter-spacing:-.5px}
h2{font-size:20px;margin:36px 0 8px}
h3{font-size:16px;margin:22px 0 4px}
p,li{color:var(--text)}
.muted{color:var(--muted);font-size:14px}
a{color:var(--primary)}
.lang{display:flex;gap:8px;margin:18px 0 8px}
.lang a{padding:6px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);text-decoration:none;font-weight:600;font-size:14px}
hr{border:0;border-top:1px solid var(--border);margin:56px 0}
footer{margin-top:56px;color:var(--muted);font-size:14px}