ul,li {list-style: none;}
a {text-decoration: none;color: black;}
.box{width: 590px;margin: 0 auto; height: 340px;overflow: hidden;position: relative;}
.box-1 ul li{width: 590px;height: 340px;position: relative;overflow: hidden;}
.box-1 ul li img{display:block;width: 590px; height: 340px;border-radius: 5px 5px 0 0;}
.box-1 ul li h2{position: absolute;left: 0;bottom: 0;height: 40px;width:590px;text-align: center; background: rgba(0, 0, 0, 0.38);text-indent: 2em;padding-right:500px ;font-size: 16px;line-height: 40px;text-overflow: ellipsis;overflow: hidden;white-space: nowrap;font-weight: normal;color: ghostwhite}
.box-3 span{position: absolute;color: white;top:50%; font-family: "宋体";line-height: 80px;font-size:30px;margin-top: -40px;text-align: center;cursor: pointer;}
.box-3 .prev{left: 15px;}
.box-3 .next{right: 15px;}
.box-3 span::selection{background: transparent;}