*{box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}
body{margin:0;background:#f5f7fb;color:#222}
.site-header{background:#0b72e3;color:#fff;padding:18px}
.site-header h1{margin:0}
nav a{color:#fff;text-decoration:none;margin-left:12px}
.container{max-width:900px;margin:30px auto;padding:0 16px}
.card{background:#fff;padding:18px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.06);margin-bottom:16px}
.promo .price{font-size:20px;color:#1a8a34}
.btn-wa{display:inline-block;margin-top:10px;padding:10px 14px;border-radius:6px;background:#25D366;color:#fff;text-decoration:none}
.site-footer{text-align:center;padding:14px;font-size:13px;color:#666}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:8px;border:1px solid #eee}
.btn{display:inline-block;padding:6px 10px;border-radius:6px;text-decoration:none;background:#0b72e3;color:#fff}
.btn-danger{background:#e63b3b}