.navigation {
  width: 100%;
  height: 6rem;
  background-image: url('../img/specification/technology1.png');
  background-repeat: no-repeat;
  background-size: cover;
}
.after_sale{
  background: #fff !important;
  padding-bottom: 1.02rem !important;
}
.navigation_top {
  height: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-right: 1.2rem;
}
.menu_bar {
  display: flex;
  position: relative;
  height: 0.8rem;
}
.menu_bar .menu_bar_item {
  height: 0.8rem;
  margin-right: 0.6rem;
  color: #fff;
  line-height: 0.8rem;
  position: relative;
}
.menu_bar .menu_bar_item .hide_box {
  position: absolute;
  top: 101%;
  left: -0.3rem;
  width: 1.36rem;
  height: 1.29rem;
  background-color: #fff;
  text-align: center;
  font-weight: 400;
  font-size: 0.16rem;
  color: #686868;
  line-height: 0.36rem;
  padding-top: 0.1rem;
  display: none;
}
.menu_bar .menu_bar_item a img {
  margin-top: 0.29rem;
  width: 0.22rem;
  height: 0.22rem;
}
.aircraft {
  font-size: 0.5rem;
  color: #ffffff;
  display: flex;
  justify-content: center;
  margin-top: 1.81rem;
  margin-bottom: 2.07rem;
}
.product_list {
  height: 0.66rem;
  background-color: rgba(25, 24, 24, 0.4);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0.4;
  color: #fff;
}
.product_list .product_introduce {
  display: flex;
  font-size: 0.2rem;
  margin-top: 0.32rem;
  height: 0.66rem;
}
.product_introduce p {
  font-size: 0.2rem;
}
.product_introduce :nth-child(1) a {
  margin-left: 0.37rem;
}
.product_list .location {
  margin-right: 0.5rem;
  font-size: 0.16rem;
}
.product_introduce span {
  margin: 0 0.4rem;
  width: 0.01rem;
  height: 0.4rem;
  background-color: #fff;
}
.after_sale {
  /* height: 6.08rem; */
  background-image: url('../img/app_download/after_sale_bgi.png');
}
.after_sale .card {
  width: 6.06rem;
  height: 3.63rem;
  margin-top: 1.05rem;
  /* margin-left: 1rem; */
  padding-top: 0.68rem;
  padding-left: 0.77rem;
  box-shadow: 0rem 0rem 0.06rem 0.01rem rgba(0,0,0,0.16);
border-radius: 0.04rem 0.04rem 0.04rem 0.04rem;
}
.after_sale .card h4 {
  font-size: 0.32rem;
  margin-bottom: 0.26rem;
}
.after_sale .card p {
  font-size: 0.18rem;
  color: #555555;
  line-height: 0.36rem;
}

.after_sale .bannder{
  display: flex;
  padding: 0 1rem;
  justify-content: space-between;
}


@media screen and (max-width:1024px){
     .navigation{
        height: 3rem;
    }
    .product_list{
        display: none;
    }
    .after_sale .bannder{
        padding: 15px;
    }
    .after_sale .card{
        margin: 0;
    }
    .after_sale .card{
        width: 48%;
        margin-right: 4%;
        margin-bottom: 4%;
        padding: 10px;
    }
    .after_sale .card:nth-child(2n){
        margin-right: 0;
    }
    .after_sale .card p{
        font-size: 12px;
    }
}