:root{--bg:#f4f7fb;--fg:#13202e;--muted:#4a5b6d;--accent:#2877a9;--card:#fff;--line:#d6e0ea}
@media (prefers-color-scheme:dark){:root{--bg:#0f1a26;--fg:#e6eef6;--muted:#9fb2c4;--accent:#6fb4e3;--card:#162434;--line:#26384b}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--card)}
header>a{font-weight:700;color:var(--fg);text-decoration:none}
main{max-width:760px;margin:0 auto;padding:24px 16px 48px}
a{color:var(--accent);overflow-wrap:anywhere}
h1{font-size:1.6rem;line-height:1.25;margin:.2em 0 .4em}
h2{font-size:1.15rem;margin:1.6em 0 .4em}
ul{padding-left:1.2em}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.hero{display:flex;gap:16px;align-items:center;margin-bottom:8px}
.hero img{width:72px;height:72px;border-radius:16px;flex:none}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
footer{max-width:760px;margin:0 auto;padding:0 16px 32px;color:var(--muted);font-size:.9rem}