body{margin:0;background:radial-gradient(circle at top,#0b1d3a,#000);color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI}
.nav{position:fixed;top:0;width:100%;height:64px;display:flex;justify-content:space-between;align-items:center;padding:0 48px;background:rgba(0,0,0,.55);backdrop-filter:blur(12px)}
.nav a{color:#9cc6ff;margin-left:24px;text-decoration:none;font-size:14px}
.logo{font-weight:600}
.wrap{padding-top:120px;display:flex;justify-content:center}
.card{width:90%;max-width:1100px;padding:56px;border-radius:28px;
background:linear-gradient(145deg,rgba(20,40,80,.85),rgba(5,10,25,.85));
border:1px solid rgba(120,160,255,.35)}
.card h1{margin-bottom:32px;font-size:42px}
.card p{line-height:1.7;font-size:15px;margin-bottom:18px}
.card p.section{margin-top:28px;font-weight:600}
footer{text-align:center;margin:80px 0;color:#666}