:root{--bg:#f4f6fa;--card:#fff;--ink:#0f1b2d;--mute:#5a6a80;--acc:#2456d6;--accbg:#e8effd;--line:#e2e7ef;--acct:#fff}@media(prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#131c2e;--ink:#e8eefc;--mute:#9db0cc;--acc:#6d9bff;--accbg:#1b2a48;--line:#243350;--acct:#0b1220}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 Segoe UI,system-ui,-apple-system,Roboto,sans-serif}a{color:var(--acc)}header{background:var(--card);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:5}.bar{max-width:1080px;margin:0 auto;padding:12px 20px;gap:20px;flex-wrap:wrap}.bar,.logo{display:flex;align-items:center}.logo{gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}.logo i{width:32px;height:32px;border-radius:8px;background:var(--acc);color:var(--acct);display:grid;place-items:center;font-style:normal;font-size:15px}nav{display:flex;gap:4px;flex-wrap:wrap}nav 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