@media (max-width: 1600px) {
    .about-right p{
        width: 62%;
        line-height: 26px;
    }
    .about-menu{
        padding-top: 25px;
    }
    .yewu-box:nth-child(1) .yewu-item:nth-child(1){
        padding: 60px 60px 20px !important;
    }
    .yewu-box:nth-child(2) .yewu-item:nth-child(2){
        padding: 60px 60px 20px !important;
    }
 .top-menu ul li a{
        padding: 30px 33px;
    }
}
@media (max-width: 1440px) {
    .top-menu ul li a{
        padding: 30px 25px;
    }
}