.nav_bg{  
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
}
.nav_bg_box{
  max-width: 1680px;
  margin: 0 auto;
}
.nav_top .nav_right{
  float: right;
  margin: 24px 0 20px 0;
}
.nav_bg .nav_top .nav_topSousuo input{
  border: 0;
  background: rgba(0,0,0,0);
  line-height: 28px;
  color: #FFFFFF;
  padding-left: 10px;
}
.nav_bg .nav_top input::-webkit-input-placeholder{
  color:#FFFFFF;
}
.nav_bg .nav_top .nav_topSousuo  #searchBtn{
  background: #FFFFFF;
  border-radius: 16px;
  color: #2f2f2f;
  font-size: 14px;
  padding: 6px 16px;
}
.chanpin_rejilanmu{
  background-color: rgba(255,255,255,0.8);
  padding-bottom: 20px;
}
.chanpin_rejilanmuBoxBtn{
  float: left;
  width: 16.65%;
  cursor: pointer;
  display: block;
} 
.chanpin_rejilanmuBoxImg{
  width: 80%;
  margin: 30px auto 0;
}
.chanpin_rejilanmuBoxImg img{
  display: block;
  width: 100%;
}
.chanpin_rejilanmuBoxBtn >h1{
  font-size: 18px;
  text-align: center;
  line-height: 40px;
  color: #000000;
}
.chanpin_rejilanmuBoxBtn >span{
  font-size: 16px;
  text-align: center;
  line-height: 30px;
  display: block;
  color: #464646;
  color: #626262;
}
/* .chansdeueds:hover .chanpin_rejilanmu{
  display: block!important;
  border: 0;
} */
.chanpin_rejilanmuBoxBtn:hover  h1{
  color: red;
}
.chanpin_rejilanmuBoxBtn:hover a{
  color: red;
}
.chanpin_rejilanmu{
  position: fixed;
  left: 0;
  width: 100%;
  z-index: 99;
}
.chanpin_rejilanmuBox{
  max-width: 1680px;
  margin: 0 auto;
}
.nav_top_tell{
  float: left;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 28px;
  margin-right: 10px;
}
.nav_topSousuo{
  float: left;
  border: 1px solid #FFFFFF;
  overflow: hidden;
  border-radius: 16px;
  box-sizing: border-box;
}

.nav_box{
  max-width: 1680px;
  background: rgba(255,255,255,0.75);
}
.nav_text li{
  float: left;
}
.nav_logo,.nav_text{
  float: left;
}
.nav_logo{
  width: 24%;
}
.nav_logo_img{
  width: 50%;
  margin-left: 6%;
  margin: 30px 10%;
}
.nav_logo_img img{
  display: block;
  width: 100%;
}
.nav_text{
  width: 76%;
}
.nav_text .nav_text_li{
  width: 15%;
  position: relative;
}
.nav_text .nav_text_li .nav_text_a{
  line-height: 94px;
  text-align: center;
  width: 100%;
  display: block;
  font-size: 20px;
  color: #000000;
  font-weight: 400;
}
.nav_text .nav_text_li .nav_text_a:hover{
  border-top: 2px solid #4c76bf;
  color: #4c76bf;
  box-sizing: border-box;
}

.nav_erjinav{
  width: 100%;
  border-bottom: 2px solid #4c76bf;
  position: absolute;
  top: 96px;
  left: 0;
  display: none;
  z-index: 99;
}
.nav_erjinav a{
  width: 100%;
  display: block;
  line-height: 50px;
  background-color: #FFFFFF;
  font-size: 18px;
  text-align: center;
  color: #626262;
}
.nav_erjinav a:hover{
  background-color: #4c76bf;
  color: #FFFFFF;
}
.nav_text_li:hover .nav_erjinav{
  display: block;
}
/* 底部 */
.foot_top{
  background-color: #4c76bf;
}
.foot_topBox{
  max-width: 1680px;
  margin: 0 auto;
}
.foot_topUl{
  width: 70%;
  float: left;
}
.foot_topUl li{
  float: left;
  width: 14%;

}
.foot_topUl li a{
    color: #FFFFFF;
    line-height: 74px;
    font-size: 18px;
}
.foot_sousuo{
  width: 30%;
  float: right;
  background-color: #6390de;
}
.foot_sousuo input{
  width: 78%;
  line-height: 74px;
  border: 0;
  background-color: #6390de;
  color: #FFFFFF;
  margin-left: 2%;
  font-size: 16px;
  float: left;
}
.foot_sousuo input::-webkit-input-placeholder{
  color: #fff;
}
.foot_sousuo #searchBtn1{
  width: 20%;
  background-color: #6390de;
  line-height: 74px;
  color: #FFFFFF;
  display: block;
  float: right;
  text-align: center;
}
.foot_bottomBg{
  background-color: #27343c;
  padding-top: 42px;
  padding-bottom: 60px;
}
.foot_fernlei a{
  display: block;
  line-height: 30px;
  font-size: 14px;
  padding-top: 8px;
  color: #FFFFFF;
  border-bottom: 1px dashed #FFFFFF;
}
.foot_bottomLeftH1{
  color: #ffffff;
  font-size: 18px;
  line-height: 50px;
  border-bottom: 1px dashed #FFFFFF;  
}
.foot_bottomLeftH1tt{
  margin-right: 30%;  
}
.foot_topBox >div{
  float: left;
}
.foot_bottomLeft{
  width: 20%;
}
.foot_fernlei{
  margin-right: 30%;
}
.foot_bottomZhong{
  width: 40%;
  padding-top: 40px;
}
.foot_bottomZhong .foot_bottomZhongImg{
  width: 50%;
  float: left;
}
.foot_bottomZhongbxo{
  width: 50%;
  margin: 0 auto;
  display: block;
}
.foot_bottomZhongbxo img{
  width: 100%;
  margin: 0 auto;
  display: block;
}
.foot_bottomZhongbxo h1{
  font-size: 14px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: center;
}
.foot_bottomRight{
  width: 34%;
  margin-left: 6%;
  overflow: hidden;
}
.foot_lianxi *{  
  font-size: 16px!important;
  color: #FFFFFF!important;
  line-height: 32px!important;
}
.foot_lianxi{
  padding-top: 10px;
  height: 218px;
}
.foot_foot a{
  font-size: 14px;
  color: #FFFFFF;
  text-align: center;
  margin-right: 20px;
  line-height: 40px;
}
.foot_foot{
  text-align: center;
  background-color: #171f23;
  
}
/* 标题 */
.index_product_title{
  width: 100%;
}
.index_case_title{
  text-align: center;
  padding-top: 50px;
}
.index_title .index_title_xi{
  width: 6%;
  height: 2px;
  background-color: #4c76bf;
  margin-bottom: 30px;
}
.index_title >h1{
  font-size: 24px;
  color: #626262;
  text-transform:uppercase;
  line-height: 36px;
}
.index_title >h2{
  font-size: 24px;
  line-height: 46px;
}
.index_title_xi_1{
  margin: 0 auto;
}

/* 内页banner */
.about_banner{
  width: 100%;
  position: relative;
}
.about_bannerImg{
  width: 100%;
}
.about_bannerImg img{
  width: 100%;
  display: block;
}
.about_bannerNavBox,.about_Content{
  max-width: 1680px;
  margin: 0 auto;
}
.about_bannerNavBox >div{
  width: 50%;
}
.about_bannerNav{
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
  border-bottom: 1px solid #000000;
  background: rgba(255,255,255,0.8);
}
.about_bannerNavTT >a{
  font-size: 16px;
  color: #000000;
  line-height: 64px;
  margin: 0 10px;
}
.about_bannerNavLeft a:last-child{
  color: #4c76bf;
}
.about_bannerNavLeft{
  float: left;
}
.about_bannerNavRight{
  float: right;
  text-align: right;
}
.about_ContentBox{
  margin: 50px 20px;
}


/* 产品推荐 */
.about_tuijian{
  margin: 54px 0;
}
.about_tuijianBox{
  width: 25%;
  float: left;
}
.about_tuijianBox .about_tuijianDiv{
  margin: 18px 12px;
  overflow: hidden;
  display: block;
}
.about_tuijianImg{
  width: 100%;
}
.about_tuijianImg img{
  display: block;
  width: 100%;
}
.about_tuijianContent{
  background-color: #f4f4f4;
  padding: 0 10px;
}
.about_tuijianContent >h1{
  line-height: 50px;
  font-size: 18px;
  color: #000000;
  overflow: hidden;
  text-overflow:ellipsis;
  white-space: nowrap;
}
.about_tuijianContent p{
  font-size: 14px;
  color: #626262;
  height: 48px;
  overflow: hidden;
  line-height: 24px;
}
.about_tuijianContent >span{
  font-size: 14px;
  text-align: right;
  line-height: 32px;
  display: block;
  color: #626262;
}
.about_tuijianDiv:hover .about_tuijianContent h1{
  color: red;
}
.about_tuijianDiv:hover .about_tuijianContent span{
  color: red;
}

.about_btn{
  width: 20%;
  margin: 40px auto;
}
.about_btn a{
  width: 46%;
  line-height: 30px;
  display: block;
  text-align: center;
}
.about_btn a:nth-child(1){
  border: 1px solid #626262;
  color: #626262;
  float: left;
}
.about_btn a:nth-child(2){
  border: 1px solid #4c76bf;
  color: #FFFFFF;
  background-color: #4c76bf;
  float: right;
}




.pageList{
  margin: 50px 0;
}

.navnav_top{
  border-top: 2px solid #4c76bf;
  color: #4c76bf;
  box-sizing: border-box;
}
.navnav_zhonjian{
  color: red!important;
}

/* 联系我们 */

.index_liuyanBox{
  margin-top: 92px;
}
.index_liuyantop .index_liuyantopLi{
  width: 33.3%;
  float: left;
}
.index_liuyantopLi > div{
  float: left;
  font-size: 46px;
  line-height: 76px;
  width: 76px;
  color: #666666;
  border: 1px solid #666666;
  box-sizing: border-box;
  border-radius: 100px;
  text-align: center;
}
.index_liuyantopLi > p{
  float: left;
  width: 70%;
  font-size: 18px;
  color: #000000;
  line-height: 28px;
  height: 76px;
  overflow: hidden;
  padding:10px;
}
.contact_bg{
  margin: 50px auto;
}

/* 留言 */

/*validate 验证控件 样式*/
    label.error {clear: both;color: red;font-weight: normal;font-size:14px;margin: 0;padding: 0;}
    input.error, select.error,textarea.error { border: 1px solid red;}
  
  .index_liuyanContent{
    margin-top: 60px;
  }
  .index_liuyanContentBtn li{
    width: 33.3%;
    float: left;
  }
  .index_liuyanContentBtn li >input{
    width: 86%;
    padding-left: 4%;
    line-height: 50px;
    background-color: #f7f7f7;
    border: 0;
    font-size: 18px;
  }
  .index_liuyanContentBtn{
    margin-bottom: 30px;
  }
  .index_liuyanContenttt{
    width: 100%;
  }
  .index_liuyanContenttt >textarea{
      width: 95%;
      padding-left: 1.5%;
      background-color: #f7f7f7;
      border: 0;
      line-height: 50px;
      font-size: 18px;
      height: 172px;
  }
  .btn_bottomliuyan{
    width: 100%;
  }
  #btnSendForm1{
    width: 200px;
    margin: 58px auto;
    display: block;
    line-height: 50px;
    background-color: #4c76bf;
    color: #FFFFFF;
    border-radius: 10px;
  }
  .shouji_head{
    display: none;
  }
  @media screen and (max-width:980px){
    .nav_bg{
      display: none;
    }
    .shouji_head{
      display: block;
    }
    .m_nav{
      width: 100%;
      position: relative;
      margin: 20px auto;
    }
    .m_nav>img{
      width: auto;
      display: block;
      padding-left: 10px;
    }
    .m_nav_btn{
      font-size: 36px;
      color: #4c76bf;
      position: absolute;
      top: 0;
      right: 4%;
    }
    
  
    .q_nav{
      position: absolute;
      background: rgba(0,0,0,0.6);
      z-index: 100;
      width: 100%;
      height: 100%;
      display: none;
    }
    .q_nav_a1{
      background-color: #f8f8f8;
      padding: 20px 0;
    }
    .q_nav_a2{
      margin: 6px 20px;
      background-color: #FFFFFF;
      border-radius: 6px;
    }
    .q_nav_a3{
      font-size: 14px;
      line-height: 46px;
      display: block;
    }
    .q_nav_a3>span{
      color: #666666;
      float: left;
      width: 90%;
      padding-left: 20px;
    }
    .q_nav_a3>b{
      float: right;
      color: #dddddd;
      width: 10%;
    }
    .swiper-pagination-switch{
      width: 8px!important;
      height: 8px!important;
    }
    .index_case_title{
      padding-top: 30px;
    }
    .foot_bottomBg,.foot_top{
      display: none;
    }
    .foot_foot a{
      margin: 0 10px;
    }
    .index_liuyanContentBtn li{
      width: 100%;
      float: none;
    }
    .index_liuyanContentBtn li >input{
      width: 90%;
      display: block;
      margin: 10px auto;
    }
    .index_liuyanContentBtn{
      margin: 0;
    }
    .index_liuyanContenttt >textarea{
      width: 93%;
      margin: 0 auto;
      display: block;
    }
    #btnSendForm1{
      margin: 20px auto;
    }
    .index_liuyantop .index_liuyantopLi{
      width: 100%;
      float: none;
    }
    .index_liuyantopLi > div{
      width: 50px;
      height: 50px;
      line-height: 50px;
      font-size: 30px;
    }
    .index_liuyantopLi > p{
      font-size: 16px;
    }
    .index_liuyantopLi > p{
      padding: 0 10px;
    }
    .index_liuyanContent{
      margin-top: 30px;
    }
    .index_liuyanBox{
      margin: 20px 10px 0;
    }
    .about_none{
      display: none;
    }
    .about_ContentBox{
      margin: 20px 10px;
    }
    .about_ContentBox img{
      width: 100%;
    }
    .about_bannerNav{
      position: inherit;
    }
    .about_bannerNavLeft,.about_bannerNavRight{
      float: none;
    }
    .about_bannerNavBox >div{
      width: 100%;
    }
    .about_bannerNavTT >a{
      line-height: 44px;
    }
    
    .about_bannerNavRight{
      overflow-x: scroll;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .about_bannerNavRight a{
      position: relative;
      display: inline-block;
    }
    .about_bannerNavRight::-webkit-scrollbar {
      display: none; /* Chrome Safari */
    }
    .about_bannerNavRight{
      text-align: left;
    }
    .shoujiyijian{
      display: block!important;
      position: fixed;
      bottom: 20px;
      right: 10px;
      z-index: 100;
      
    }
    .shoujiyijian a{
      font-size: 40px;
      color: red;
      display: block;
      line-height: 66px;
      text-align: center;
    }
  }
  .shoujiyijian{
    display: none;
  }