body{margin:0;font-family:Arial,sans-serif;background:#f4f6f9}
nav{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background:#0d47a1;color:#fff}
nav a{color:#fff;text-decoration:none;margin-left:15px}
.logo{width:60px}
.hero{padding:70px 20px;text-align:center;background:linear-gradient(135deg,#0d47a1,#1976d2);color:#fff}
.btn{background:#ffeb3b;color:#000;padding:12px 20px;border-radius:8px;text-decoration:none;font-weight:bold}
.wrap{max-width:1200px;margin:auto;padding:20px}
.card{background:#fff;padding:20px;margin:20px 0;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
iframe{width:100%;height:800px;border:none}
footer{text-align:center;background:#0d47a1;color:#fff;padding:20px}
#countdown{font-size:1.3rem;font-weight:bold;margin:20px 0}