/* 电脑端英文版样式 */
body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.nav_two_box{
    left: calc(50% - 140px);
    width: 280px;
}
.banner_box ul{
    height:9vw;
}
.cert-card{
  float:left;
  width:22%;
}
.cert-card:not(:last-child){
  margin-right: 4%;
}


@media (max-width: 1440px){
  .nav{
    gap:25px;
  }
  .nav .nav_one_link{
    font-size: 14px;
  }
  .header-right{
    gap:20px;
  }
}