.constucen{backgroundSize:"cover";background-color:#ebebeb;background-size:cover;background-position:50%;height:200px}.square-imagemen{width:60px;height:60px;display:block}.concenter2{justify-content:center;text-align:center;align-items:center;background-color:#fff;height:400px}.el-collapse-item__header{font-size:17px;color:#0d0d0d;font-weight:550}.el-tabs__nav-wrap:after{position:static!important}.constudyshop{backgroundSize:"cover";background-color:#4074f2;background-size:cover;background-position:50%;position:relative;height:270px}