@media screen and (max-width: 1280px) {
  .common-nav > .listNav > li > a {
    padding: 2.5rem 1rem!important;
  }
  .common-nav{padding-left:8rem!important;}
}

.about-banner .youshi li .box{padding:0 1.4rem!important;font-size:1.5rem!important}
.common-title{font-size:4.2rem!important}
.common-nav > .listNav > li:nth-child(1) .child, .common-nav > .listNav > li:nth-child(2) .child, .common-nav > .listNav > li:nth-child(3) .child{width:39rem!important;}

.common-nav > .listNav > li > a{padding:2.5rem 1rem}