*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#f1f5f9;color:#222}
header{background:#0f172a;color:#fff;text-align:center;padding:25px 10px}
header h1{font-size:32px}
header p{margin-top:8px;color:#cbd5e1}
.container{max-width:1000px;margin:auto;padding:20px}
.card{background:#fff;border-radius:12px;padding:18px;margin-bottom:15px;box-shadow:0 4px 10px rgba(0,0,0,.08)}
.card h2{font-size:24px;margin-bottom:10px}
.price{color:#16a34a;font-size:20px;font-weight:bold}
.info{margin-top:8px;color:#555;line-height:1.6}
footer{text-align:center;padding:20px;background:#0f172a;color:#fff}