.box{width:100%;min-height:800px;padding:20px;margin:0 auto;margin-bottom:30px;background:#fff}.el-card{height:100%}.title_name{width:90%;margin:0 auto;font-size:22px;font-weight:550;color:#003c38;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.text{text-align:center}.perv{width:40px;cursor:pointer}