.banner{margin-top: 56px;height:792px;overflow:hidden; background: url("../images/banner.jpg?v=20231205") center top no-repeat;}
.banner a{display: block;height: 792px;}
.banners{height:1140px;overflow:hidden; background: url("../images/m1.jpg?v=20231203") center top no-repeat;}

.banner2{height:1175px;overflow:hidden; background: url("../images/m2.jpg?v=20231202") center top no-repeat;}

.banner3{height:632px;overflow:hidden; background: url("../images/m3.jpg?v=20231201") center top no-repeat;}