:root{color-scheme:light dark;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;color:#20242b;background:#f6f7fa}*{box-sizing:border-box}body{margin:0;padding:24px 16px}main{max-width:820px;margin:auto;padding:32px;background:#fff;border:1px solid #e1e4ea;border-radius:16px}h1{font-size:clamp(1.65rem,5vw,2.25rem);line-height:1.2}h2{font-size:1.2rem;margin-top:28px}a{color:#5241ba;overflow-wrap:anywhere}li{margin:8px 0}.brand{font-weight:750;text-decoration:none;font-size:1.15rem}.muted{color:#626975}nav{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}hr{border:0;border-top:1px solid #e1e4ea;margin-top:28px}@media(max-width:520px){body{padding:12px}main{padding:20px}}@media(prefers-color-scheme:dark){:root{color:#e7e9ef;background:#15171c}main{background:#20232b;border-color:#393d49}a{color:#b8adff}.muted{color:#b1b6c4}hr{border-color:#393d49}}