body{ font-family: Arial, sans-serif; margin:0; padding:0;}
header{ text-align:center; padding:15px; background:#222; color:#fff;}
.lang-switch button{ margin:0 5px;}
.slider{ position:relative; height:650px; overflow:hidden;}
.slider img{ width:100%; height:650px; display:none;}
.slider .active{ display:block;}
nav{ text-align:center; margin:20px 0;}
nav a{ margin:0 10px; text-decoration:none; color:#222;}
.models{ display:flex; flex-wrap:wrap; justify-content:center;}
.model-card{ border:1px solid #ccc; margin:10px; padding:10px; width:200px; text-align:center;}
.model-card img{ width:100%; height:150px; object-fit:cover;}
form{ width:300px; margin:20px auto;}
input, select{ width:100%; padding:5px; margin:5px 0;}