:root{--brand:#075BEE;--bg:#F5F6F8;--card:#FFFFFF;--text:#16181D;--muted:#5E6470;--line:#E3E6EC}
@media (prefers-color-scheme:dark){:root{--brand:#2F6BFF;--bg:#0E1014;--card:#171A20;--text:#F2F3F5;--muted:#A0A6B1;--line:#262A32}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:24px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin:8px 0 28px}
header a{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
header img{width:44px;height:44px;border-radius:10px;box-shadow:0 4px 12px rgba(7,91,238,.25)}
header span{font-weight:700;font-size:22px;white-space:nowrap}
nav{margin-left:auto;display:flex;gap:18px;font-size:15px}
nav a{color:var(--muted);text-decoration:none}nav a:hover,nav a[aria-current]{color:var(--brand)}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px 24px}
h1{font-size:32px;line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:20px;margin:28px 0 8px}
p,li{color:var(--text)}.muted,em{color:var(--muted);font-style:normal}
a{color:var(--brand)}ul{padding-left:22px}li{margin:6px 0}
.hero{text-align:center;padding:40px 24px}
.hero img{width:96px;height:96px;border-radius:22px;box-shadow:0 10px 30px rgba(7,91,238,.3);margin-bottom:18px}
.hero p{font-size:19px;color:var(--muted);max-width:480px;margin:0 auto 24px}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:600;padding:14px 26px;border-radius:999px}
.links{display:flex;gap:4px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.links a{color:var(--brand);text-decoration:none;font-weight:600;padding:10px 16px}
footer{margin-top:32px;text-align:center;font-size:14px;color:var(--muted)}
@media (max-width:480px){h1{font-size:27px}nav{gap:10px;font-size:14px}header span{font-size:18px}header img{width:38px;height:38px}}
footer a{color:var(--muted)}