@media (max-width:1460px){
  .head .head_nav{
    float: none;
    width: 100%;
    line-height: 70px;
  }
.head .logo{
  float: none;
  padding: 2% 0;
  justify-content: center;
}
.head .logo .logo_img{
  line-height: 60px;
}

.head .head_nav .nav_link{
  font-size: 1.6rem;
  padding:0 40px;
}
.head .head_nav ul{
  -ms-align-items: center;

  align-items: center;
  justify-content: center;

}
.foo_nav{
  display: none;
}
.index_contact{
  width: 66%;
}
.advan ul li {
    display: inline-block;
    width: 24%;
    margin-right: 7px;
}
}










@media (min-width:1200px){

}
@media (max-width:1200px){
 html{
    font-size: 50%;
  }
.advan .num i{
  display: block;
  width: 100%;
  text-align: center;
  
}
.advan .sum{
  text-align: center;
  
}

.advan ul li {
    
    margin-right: 4px;
}

}


@media (min-width:992px){
.nav_m{
    display: none !important;
}


}


@media (max-width:992px){
  html{
    font-size: 46%;
  }
  .head .head_nav .nav_link{
 
  padding: 0 20px;
}

.head .logo{
  
}
.index_ab .ab_type{
  display: block;
}
.index_ab .ab_type .img{
  width: 100%;
}
.index_ab .ab_type .sum{
  width: 100%;
  padding: 3% 0;
}
.index_contact{
  width: 60%;
}
.about .about_left, .about .about_right{
  width: 100%;
  float: none;
  
}
.about .about_right{
  padding-top: 3%;
}

.solu_projects ul{
  margin:0 -5px;
}
.solu_projects ul li{
      padding: 10px 5px;
}
.design_con .sum{
  min-height: 170px;
}

.news .news_main .more{
  display: none;
}

}

@media (max-width:768px){

.head_top{
  display: none;
}
.head .logo .logo_lan{
  display: none;
}
.head .head_nav{
  display: none;
}
.nav_button{
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.head .container{
  display: flex;
  justify-content: space-between;
}
.banner .swiper-button-white {
    background-size: 26px;
}

.banner .swiper-button-white {
    background-size: 26px;
}
.index_news{
  height: auto;
  
}
.index_news .news_type{
  width: 100%;
  float: none;
  
}
.footer .foo_tel{
  float: none;
  width: 100%;
}
.footer .foo_tel ul {
    padding-top: 2%;
}

.index_contact {
    width: 100%;
    padding-top: 5%;
}
.code{
  padding: 2% 0;
}
.code a{
  line-height: 20px;
}

.head_wap{
  width: 100%;
  position: relative;
  
}
.partner ul{
  margin:0 -5px;
}
.partner li{
  padding: 5px;
  width: 33.33%;
}
.advan .advan2, .advan .advan1{
  display: block;

}
.advan .trus{
  display: block;
  width: 100%;
  padding: 0;
}
.advan .img{
  display: block;
  width: 100%;
  margin: 2% 0;
}
.advan ul li{
  width: 23%;
}
.advan .num i {
    font-size: 3rem;
    }
.about ul{
  margin:0 -4px;
}
    .about li {
    padding: 0 4px;
}
.solution_left{
  display: flex;
  flex-wrap: wrap;
}
.solution_left li{
  display: block;
  width:49%;
  margin: 1px;
  border:1px solid #ccc;
  float: left;
  
}

.solution_left a{
  border-right: none;
}
.project_list ul,
.scenes_list ul{
  margin:0 -2px;
}
.project_list li,
.scenes_list li{
  padding:0 2px;
}

.design_lit{
  display: block;
}
.design_lit .design_con,
.design_lit .design_img{
  width: 100%;
}

.design_con .sum{
  min-height: auto;
}

.news ul a{
  display: block;
}

.news ul .img{
  width: 100%;
}
.news_typename h1{
  font-size: 2.8rem;
}
.contact .info ul{
  display: block;
}
.contact .info li{
  width: 100%;
  margin-bottom: 2%;
}
.mess_info .mess_input{
  float: none;
  width: 100%;
}
.mess_info .textarea{
  width: 100%;
  float: none;
  
}
.mess_info .submit input{
  line-height: 40px;
}




















}