#introduce-item{width:346px;margin-left:20px;background-color:#fff}#introduce-item:first-child{margin-left:0}#introduce-item:hover .img-wrapper img{-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1)}#introduce-item .img-wrapper{width:346px;overflow:hidden;position:relative}#introduce-item .img-wrapper img{top:0;position:relative;left:0;-webkit-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1);-webkit-transition:all .3s;transition:all .3s;vertical-align:middle;width:346px;height:230px}#introduce-item .info-box{height:107px;padding:0 43px}#introduce-item .info-box .title{margin-top:20px;font-size:18px;text-align:center;color:#000;font-weight:600}#introduce-item .info-box .desc{font-size:14px;margin-top:9px;text-align:center;line-height:24px;color:#919199}.main-content,body,html{background:#f3f3f3;max-height:2160px}#mevol-about-main .banner{width:100%;height:480px;position:relative;overflow:hidden}#mevol-about-main .banner img{position:absolute;width:auto;height:100%;display:block;top:0;left:50%;margin-left:-1500px}#mevol-about-main .content{width:1080px;margin:55px auto}