:root{--bg:#eaf4ff;--ink:#0b1f4a;--sub:#4a5f86;--acc:#ff8a2b;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#0a1430;--ink:#eef4ff;--sub:#a9bbdc;--card:#14224a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}
header{display:flex;align-items:center;gap:16px}header img{width:84px;height:84px;border-radius:20px}
h1{font-size:40px;margin:0;letter-spacing:.5px}h1 b{color:var(--acc)}h2{margin-top:36px}
.sub{color:var(--sub)}.card{background:var(--card);border-radius:16px;padding:20px 22px;margin:20px 0}
a{color:var(--acc)}footer{margin-top:48px;color:var(--sub);font-size:14px}
ul{padding-left:20px}