.banner{ width:100%; height:475px; position:relative;}
.banner .list{ width:100%; height:475px; overflow:hidden; position:relative; z-index:1;}
.banner .list li{ width:100%; height:475px; position:absolute; left:0px; top:0px; display:none;}
.banner .list li.bg1{ background:url("../images/banner01.jpg") no-repeat center;}
.banner .btn{ position:absolute; top:450px; left:48%; z-index:100;}
.banner .btn li{ margin-left:6px; background: #fff; text-indent: -999em; float: left; width: 50px; height: 10px; cursor: pointer; }
.banner .btn li.hover{ background: #FC3; }
.banner .list li.bg2{ background:url("../images/banner02.jpg") no-repeat center;}
.banner .list  li a{ display:block; width:100%; height:475px;}
.banner .list li.bg3{ background:url("../images/banner03.jpg") no-repeat center;}


.banner .list li.bg4{ background:url("../images/banner04.jpg") no-repeat center;}