.box {clear:both;width: 1200px;margin:0 auto;overflow:hidden;border-radius: 10px;}
.ztlist li{float: left;width: 280px;height: 183px;/* border: 1px solid #e2e2e2; */background: #fff;margin-right: 20px;text-align: center;padding: 0px 0px;margin-bottom: 20px;border-radius: 10px; box-shadow: 0px 5px 10px 0px #ddd;}
.ztlist li img{width: 280px;height: 140px;border-radius: 10px 10px 0 0;}
.ztlist li h2{margin-top: 10px;}
.ztlist li h2 a{font-size: 14px;}