body{margin:0;font-family:Arial,sans-serif;background:#f6f8fc;color:#172033;line-height:1.7}header{background:#101B35;color:#fff;padding:30px 20px}header div,main,nav div,footer{max-width:980px;margin:auto}nav{background:#234A92;padding:12px 20px}nav a{color:#fff;text-decoration:none;font-weight:bold;margin-right:18px}main{padding:25px 20px}.card{background:#fff;border-radius:16px;padding:28px;margin-bottom:20px;box-shadow:0 5px 18px #101b3512}h1{color:#101B35}h2{color:#234A92;margin-top:30px}a{color:#234A92}.meta{color:#657083;font-size:14px}footer{text-align:center;padding:25px;color:#657083;font-size:14px}@media(max-width:600px){main{padding:15px}.card{padding:20px}}