body{margin:0;font-family:Arial,sans-serif;line-height:1.7}header{background:#0a66c2;color:#fff;padding:15px;text-align:center}nav a{color:#fff;text-decoration:none;margin:0 8px}.hero{background:linear-gradient(135deg,#0a66c2,#00a2ff);color:#fff;padding:70px 20px;text-align:center}.container{max-width:1100px;margin:auto;padding:25px}.card{background:#f7f9fc;padding:22px;border-radius:10px;margin:18px 0}.float{position:fixed;right:20px;bottom:80px;background:#0a66c2;color:#fff;padding:14px 18px;border-radius:30px;text-decoration:none}.sticky{position:fixed;left:0;right:0;bottom:0;background:#00a2ff;color:#fff;text-align:center;padding:14px;text-decoration:none}footer{background:#0a66c2;color:#fff;text-align:center;padding:20px}