*{margin: 0;padding: 0;list-style-type: none;}.tsh_banner{width: 100%;position: relative;overflow: hidden;}.tsh_banner ul{position: absolute;}.tsh_banner ul li{width: 100%;height: 310px;float: left;background:no-repeat center center;}.tsh_banner ol{height: 20px;background: rgba(0,0,0,0.5);position: absolute;left:50%;bottom: 30px;padding: 0 10px;border-radius: 10px;}.tsh_banner ol li{width: 10px;height: 10px;float: left;margin: 5px 5px;background: rgba(255,255,255,0.5);border-radius: 50%;cursor: pointer;}.tsh_banner ol .current{background: rgba(255,255,255,1);}.tsh_banner i{width: 58px;height: 120px;position: absolute;top: 50%;margin-top: -60px;cursor: pointer;border-radius: 5px;display: none;}.tsh_banner .left{left: 60px;background: url('/2018.12.24/left_right.png') no-repeat 0 0px;}.tsh_banner .right{right: 60px;background: url('/2018.12.24/left_right.png') no-repeat 0px -120px;}.tsh_banner .left:hover , .tsh_banner .right:hover{background-color: rgba(0, 0, 0, 0.31);}