*{
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
}
.content{
    max-width: 1200px;
    min-width: 1200px;
    margin: 0 auto;
    font-family: '微软雅黑';
  }
  .top_img{
    min-width: 1200px;
  }
  .top_nav{
    height: 64px;
    line-height: 64px;
    display: flex;
    width: 1200px;
    margin: 0 auto;
    align-items: center;
    justify-content: space-between;
  }
  .top_nav .logo img {
    width: 120px;height :30px;
  }
  .top_nav .logo{
    display: flex;
  }
  .top_nav .nav{
      width: 800px;
      display: flex;
      align-items: center;
      justify-content: end;
  }
  .nav .item.active{
      border-bottom:2px solid #000;
  }
  .nav .item:hover{
    cursor: pointer;
  }
  .nav .item{
    margin: 0 30px;
    text-align: center;
    font-size: 14px;
    height:64px;
    line-height:64px;
    font-family: OPPOSans-M, OPPOSans;
    font-weight: normal;
    color: #000000;
  }
  
    .footer a:hover {
      color:#4d6be2;
      cursor: pointer;
    }
    .footer{
      padding: 30px 0;
      margin: 40px auto 0;
      background: #FCFBFC;
    }
    .footer .bg{
      margin: 0 auto;
      width: 1200px;
    }
    .footer .logos  img{
      width: 100%;
      height: 100%;
    }
    .footer.en .logos {
      margin: 20px 0 60px;
    }
    .footer .logos  .logo{
      width: 176px;
      margin-top: 20px;
      height: 44px;
    }
    .footer .logos  .code{
      width: 134px;
      height: 132px;
    }
    .footer .logos {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
    } 
    .contact{
      padding-bottom: 40px;
      border-bottom:1px solid #EEEEEE;
  }
  .contact_title{
      height: 28px;
      font-size: 20px;
      font-family: PingFangSC-Semibold, PingFang SC;
      font-weight: 600;
      margin: 20px 0;
      color: #000000;
  }
  .contact_item{
      font-size: 18px;
      font-family: PingFangSC-Regular, PingFang SC;
      font-weight: 400;
      color: #4F5969;
      margin-bottom: 10px;
  }
  .record{
    margin: 30px 0;
    display: flex;
    align-items: center;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #B0B6C0;
    justify-content: space-between;
  }
  .record .right>div{
    display: flex;
    align-items: center;
  }
  .tabs{
    padding-top: 20px;
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #F4F5F5;
  }
  .tabs .tab{
    padding: 20px 0;
    margin-right: 50px;
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #000000;
    cursor: pointer;
    border-bottom: 2px solid #fff;
  }
  .tabs .tab a{
    color:#000;
    text-decoration: none;
  }
  .tabs .tab.active{
    border-bottom: 2px solid #000;
  }




  /* 首页 */
  .swiper{
    width: 100%;
    height:576px;
    min-width: 1200px;
}
.swiper-slide img{
    width: 100%;
    height:auto;
}
.swiper-slide{
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    
}
.swiper .swiper-pagination-bullet{
    width: 40px;
    height: 2px;
    background:#fff;

}


@media screen and (max-width: 1250px) {
  .top_nav{
    padding: 0 20px;
  }
  .swiper{
    width: 100%;
    height:476px;
  }
  .contact_item{
    font-size: 16px;
  }
  .footer .bg{
    padding: 0 20px;
  }
}