:root{
  --ink:#16181d; --paper:#f6f5f1; --paper-2:#fff; --line:#e4e2da;
  --text:#1b1d22; --muted:#6b6e76; --accent:#2e5bff;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--text);
  font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.65;font-size:16px}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
.topbar{border-bottom:1px solid var(--line);background:var(--paper)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:700;font-size:18px;letter-spacing:-.02em;text-decoration:none;color:var(--text)}
.brand .dot{display:inline-block;width:10px;height:10px;border-radius:2px;background:var(--accent);transform:rotate(45deg);margin-right:8px}
.langtoggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper-2)}
.langtoggle button{border:0;background:transparent;font-family:ui-monospace,monospace;font-size:12px;padding:6px 11px;cursor:pointer;color:var(--muted)}
.langtoggle button.on{background:var(--ink);color:#fff}
main{padding:40px 0 64px}
h1{font-family:"Space Grotesk",system-ui,sans-serif;font-size:30px;letter-spacing:-.01em;margin:0 0 4px}
h2{font-family:"Space Grotesk",system-ui,sans-serif;font-size:19px;margin:30px 0 8px}
p,li{color:#26282e}
.muted{color:var(--muted)}
.updated{font-family:ui-monospace,monospace;font-size:12px;color:var(--muted);margin-bottom:24px}
.notice{background:#eef2ff;border:1px solid #c8d4ff;border-radius:10px;padding:12px 16px;font-size:13.5px;color:#1b347f;margin-bottom:28px}
table.kv{width:100%;border-collapse:collapse;margin-top:8px}
table.kv th,table.kv td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line);font-size:15px}
table.kv th{width:34%;font-weight:600;color:#26282e}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);background:var(--paper)}
footer .wrap{padding:24px 22px;display:flex;flex-wrap:wrap;gap:16px;font-size:14px}
footer a{color:var(--text);text-decoration:none}
footer a:hover{color:var(--accent)}
.lang[hidden]{display:none}
@media(max-width:560px){h1{font-size:25px}.wrap{padding:0 18px}}