:root{--bg:#f4f3f7;--card:#ffffff;--fg:#14131a;--muted:#5d5b68;--tint:#e8551a;--line:#e4e2ea;--mark:#fff1a8}
@media (prefers-color-scheme:dark){:root{--bg:#08070d;--card:#15141c;--fg:#f4f4f7;--muted:#a6a4b2;--tint:#ff7a45;--line:#2a2833;--mark:#5a4a00}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:24px 16px 56px}
header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
header img{width:44px;height:44px;border-radius:11px}
header a{color:inherit;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.02em}
main{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px 20px}
h1{font-size:30px;line-height:1.15;letter-spacing:-.02em;margin:0 0 6px}
h2{font-size:20px;margin:30px 0 8px}
h3{font-size:16px;margin:20px 0 4px}
p,li{color:var(--fg)}
.muted{color:var(--muted);font-size:14px}
a{color:var(--tint)}
ul{padding-left:20px}
mark{background:var(--mark);color:inherit;padding:0 3px;border-radius:4px}
.btn{display:inline-block;background:linear-gradient(135deg,#ff8a3d,#ff5a1f);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:999px;margin:4px 0}
.grid{display:grid;gap:12px;margin-top:18px}
.grid a{display:block;padding:16px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:inherit}
.grid a b{display:block;color:var(--tint)}
footer{margin-top:24px;text-align:center;font-size:14px}
footer a{margin:0 8px}