.about-warp{
    width: 100%;
    padding-top: 47px ;
    margin-bottom: 73px;
}
.about-img{
    width: 645px;
    height: 476px;
}
.about-info{
    width: calc(100% - 728px);
    color: #000;
    font-size: 18px;
    line-height: 38px;
}