@media (max-width: 750px) {
  /* #header {
    height: 1.6rem;
    background: #fff;
  }
  #header .item_content {
    width: 100%;
    line-height: 1.6rem;
  }
  #header .item_content img {
    height: 1.2rem;
    margin-left: 0.4rem;
  }
  #header .item_content .nav_wrap {
    display: none;
  }
  #aside.show {
    display: block;
    transform: translate3d(0px, 0px, 0px);
    pointer-events: all;
  }
  .mobile-menu {
    position: fixed;
    right: 0;
    bottom: 0;
  } */
  #content_wrap {
    width: 100%;
    overflow: hidden;
  }
  #content_wrap .content_item {
    position: relative;
    width: 100%;
  }
  #content_wrap .content_item .item_wrap {
    width: 100%;
    min-width: inherit;
    position: relative;
    left: 0;
    margin-left: 0px;
  }
  #slogan {
    height: 6rem;
    width: 100%;
    /* margin-top: 1.6rem; */
  }
  #slogan .item_wrap {
    width: 100%;
    /* background: url("../images/mobile_.png") no-repeat; */
    background-size: 100% 100%;
    padding-top: 1px;
  }
  #slogan .item_wrap .item_content {
    width: 100%;
  text-align: center;
  margin:1.2rem auto 0;
  }
  #slogan .item_wrap .item_content .slogan_word {
    font-size: 1.12rem;
  }
 
  #slogan .item_wrap .item_content .slogan_desc {
    font-size: 0.44rem;
    line-height: 0.6rem;
    margin: 0.2rem 0;
  }
  #slogan .item_wrap .item_content .slogan_button {
    width: 4.66rem;
    height: 1rem;
    background-size: 100% 100%;
    font-size: 0.48rem;
    line-height: 1rem;
    padding: 0 0.6rem;
  }
  #performance {
    height: 7.3rem;
  }
  #performance .item_wrap {
    background: none;
    height: 7.3rem;
  }
  #performance .item_wrap .item_content {
    width: 100%;
    margin: 0.5rem auto 0;
    height: 7.3rem;
  }
  #performance .per_title{
    font-size: 0.6rem;
    text-align: center;
  }
  #performance .dnSlide-main{
    margin-top:-30px;
  }
  
  #solution {
    height: 15rem;
    /* min-height:850px; */
  }
  #solution .item_wrap {
    width: 100%;
    background-size: 100% 100%;
    padding-top: 1px;
    /* min-height:850px; */
  }
  #solution .item_wrap .item_content {
    padding-top: 0.84rem;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: auto;
  }
  #solution .item_wrap .item_content .sol_title {
    font-size: 0.6rem;
    margin: 0 auto 0.6rem;
  }
  #solution .item_wrap .item_content .sol_wrap{
    overflow: auto;
  }
  #solution .item_wrap .item_content .sol_content{
    width: 20rem;
    height:10rem;
    background-size: 100% 100%;
  }
  #advantage {
    height: 16rem;
  }
  #advantage .item_wrap .item_content {
    width: 100%;
    height: 16rem;
    padding:0 0.4rem;
  }
  #advantage .item_wrap .item_content .adv_title {
    font-size: 0.72rem;
    margin: 0.8rem 0 0 0;
    padding:0 0.4rem;
  }
  #advantage .item_wrap .item_content .adv_info {
    width: calc(100% - 0.8rem);
    height: 16rem;
  }

  #advantage .item_wrap .item_content .adv_info .info_item {
    width: 49%;
    max-width:298px;
    height: 8.36rem;
    margin-right: 1%;
    background-size: 100% 100% !important;
  }
  #advantage .item_wrap .item_content .adv_info .info_item:nth-child(2),
  #advantage .item_wrap .item_content .adv_info .info_item:nth-child(4){
    float: right;
  }
  #advantage .item_wrap .item_content .adv_info .info_item p {
    line-height: 0.48rem;
    font-size: 0.24rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding:0 0.4rem;
  }
  #advantage .item_wrap .item_content .adv_info .info_item h3{
    font-size: 0.4rem;
  }
  #advantage .item_wrap .item_content .adv_info .info_item .middle_logo{
    margin-top: 4.5rem;
    margin-bottom: 0.4rem;
    width:1.4rem;
    height:1.4rem;
  }

  #aboutUs {
    height: 17rem;
    margin-top:2rem;
    padding-top: 1px;
  }

  #aboutUs .item_wrap {

    padding-top: 1px;
  }
  #aboutUs .item_wrap .item_content .pc-show {
    display: none;
  }
  #aboutUs .item_wrap .item_content .mobbile-show {
    display: block;
    margin: 0 auto;
    width:80%;
  }
  #aboutUs .item_wrap .item_content {
    width: 100%;
    height: 17rem;
  }
  #aboutUs .item_wrap .item_content .about_title {
    font-size: 0.72rem;
    margin: 1rem 0 0.5rem 0;
  }
  #aboutUs .item_wrap .item_content .about_items {
    width: 93%;
    margin-top: 0.8rem;
  }
  #aboutUs .item_wrap .item_content .about_items .about_desc {
    font-size: 0.4rem;
  }
  #aboutUs .item_wrap .item_content .about_items .about_item {
    animation: none;
    opacity: 1;
  }
  #aboutUs .item_wrap .item_content .about_items .about_item img {
    padding: 10px;
  }
  #aboutUs .item_wrap .item_content .about_info {
    font-size: 0.6rem;
    color: #49a7ff;
    margin-top: 0.4rem;
  }
  #aboutUs .item_wrap .item_content .about_button {
    display: block;
    margin: 0.4rem auto 0;
    width: 5.66rem;
    height: 1.6rem;
    line-height: 1.56rem;
    font-size: 0.4rem;
    color: #fff;
    padding-left: 1.32rem;
    background-size: 100% 100%;
  }
 
}