*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#0a1428;color:#e6ecf5;line-height:1.6}
a{color:#4da3ff}.w{max-width:960px;margin:0 auto;padding:0 20px}
header{padding:20px 0;border-bottom:1px solid #1d2c4a}header .w{display:flex;justify-content:space-between;align-items:center}header b{letter-spacing:2px}nav a{margin-left:18px;color:#c9d6ea;text-decoration:none}
.hero{padding:90px 0 60px}.hero h1{font-size:48px;margin:0 0 8px}.hero p{font-size:20px;color:#a9b8d0;max-width:680px}
.btn{display:inline-block;background:#1f7aff;color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;margin-top:16px}
h2{border-left:4px solid #1f7aff;padding-left:12px;margin-top:50px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:#111f3b;border:1px solid #1d2c4a;border-radius:10px;padding:18px}.card h3{margin:0 0 6px;color:#fff}.card p{margin:0;color:#a9b8d0}
footer{margin-top:70px;padding:30px 0;border-top:1px solid #1d2c4a;color:#8193b0;font-size:14px}footer a{color:#8193b0;margin-right:14px}