:root{--bg:#f5f6fa;--card:#fff;--text:#1b2433;--muted:#5b6475;--brand:#1f8a46;--line:#e3e6ee}
@media (prefers-color-scheme:dark){:root{--bg:#0f1218;--card:#181c24;--text:#e8ebf2;--muted:#9aa3b5;--brand:#4cd27a;--line:#2a303c}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:24px}header img{width:56px;height:56px;border-radius:13px}
h1{font-size:28px;margin:0}h2{font-size:20px;margin:32px 0 8px}p,li{color:var(--text)}
.muted{color:var(--muted);font-size:15px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:16px 0}
a{color:var(--brand)}table{border-collapse:collapse;width:100%;font-size:15px}td,th{border-top:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
footer{margin-top:40px;font-size:14px;color:var(--muted)}