body{font-family:Arial,Helvetica,sans-serif;background:#f9f9f9;margin:0;padding:0;text-align:center}
header{background:#4CAF50;color:#fff;padding:20px;font-size:1.4rem}
.container{max-width:600px;margin:40px auto;background:#fff;padding:20px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.hero{max-width:160px;border-radius:8px}
.cta-btn{display:inline-block;margin-top:20px;background:#4CAF50;color:#fff;padding:12px 24px;border-radius:8px;text-decoration:none}
.notice{margin-top:15px;color:#555}