.box{width: 1200px;height: 400px;margin: 0 auto;overflow: hidden;position: relative;}
.box-1 ul{}
.box-1 ul li{width: 1200px;height: 400px;position: relative;overflow: hidden;}
.box-1 ul li img{display:block;width: 1200px; height: 400px;}
.box-1 ul li h2{position: absolute;left: 0;bottom: 0;height: 40px;width:1200px;background: rgba(125,125,120,.4);text-indent: 2em;
                padding-right:500px ;font-size: 15px;line-height: 40px;text-overflow: ellipsis;overflow: hidden;
                white-space: nowrap;font-weight: normal;color: ghostwhite;}
.box-2{position: absolute;right: 45%;bottom: 14px;}
.box-2 ul li{float:left;width: 12px;height: 12px;overflow: hidden; margin: 0 5px; border-radius: 50%;
                background: rgba(0,0,0,0.5);text-indent: 100px;cursor: pointer;}
.box-2 ul .on{background: rgb(255 206 10);}
.box-3 span{position: absolute;color: white;background: rgba(125,125,120,.3);width: 50px;height: 80px;
                top:50%; font-family: "宋体";line-height: 80px;font-size:60px;margin-top: -40px;
                text-align: center;cursor: pointer;}
.box-3 .prev{left: 10px;}
.box-3 .next{right: 10px;}
.box-3 span::selection{background: transparent;}
.box-3 span:hover{background: rgba(125,125,120,.8);}