.header{height:2.976vw;width:100%;display:flex;background:#001529;position:fixed;top:0;z-index:9}.train{width:100%;height:auto;margin:0 auto;margin-top:7vh;margin-bottom:5vh;position:relative}.demo-carousel img{width:100%;height:40vh}.yichu{overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical}.ivu-card-head{background:#3498db}.searchSpan:focus{color:#fff;background-color:#3498db;outline:0}.searchSpan:hover{color:#fff;background-color:#3498db}