.head{
    //display: flex;
    border-bottom:2px solid #d4dde4;
    width: 100%;
    height: 100px;
    background-color:white ;
}
.chaxun{
     margin-left: 50px;
     padding: 15px 32px;
}
.zhu{
    padding-top: 200px;
    padding-left: 200px;
    text-align: center;
    height: 270px;
    width: 880px;
}