*{margin:0;padding:0;font-family: 微软雅黑;list-style-type: none;text-decoration: none;}
.left{float: left;}
.right{float: right;}
.clear{clear: both}
a:hover{cursor:pointer;}
body{min-width:1200px;}
img{border:none;}

.jiazi{width:100%;height:100%;background:url(../images/jiazi-1.png)no-repeat;background-size: cover;background-position: center;}
.xuanze{width:100%;height:50px;text-align:center;line-height:50px;position:absolute;bottom:10%;}
.xuanze a{padding:10px 20px;background:rgba(255,255,255,0.7);color:#333;font-size:16px;margin:0 30px;border-radius:30px;}