*{padding: 0px; margin: 0px; }
body{margin: auto; width: 32rem;}
img{display: block;}
.zt_img img{width: 100%;}

.box img,.box1 img ,.box2 img{margin:auto;}
.box ,.box1,.box2 {display:table;width:32rem;}
.box {background:#e8e8e7;margin-top:0.15rem;}
.box1 {background:url(../images/img_15.jpg)no-repeat;background-size:100%;height:52.45rem;}
.box2 {background:#e8e8e7;}
.aherf{width: 100%; height: 100%; position: absolute; top: 0px; left: 0px;}
.aherf a{display: block; float: left; width: 20%; height: inherit; cursor: pointer;}