.banner_item{
    height: 450px;
    cursor: default;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    overflow: hidden;
    display: block;
    outline: none;
    margin: 0px auto;
    z-index: 1;
    background-size: cover;
    background-image: url(../img/enterprise.jpg);
}
.banner_item.pro{
    background-image: url(../img/pro_bg.jpg);
}
.banner_item.con{
    background-image: url(../img/contact.jpg);
}
.banner_item.sci{
    background-image: url(../img/company1.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    height:700px;
}
.contents{
    /* height: 400px;
    background-color: #ccc; */
    margin-top:80px;
    position: relative;
}
.ep_txt{
    width:667px;
    height: auto;
    color: rgb(102, 102, 102);
    font-size: 14px;
    line-height: 36px;
    padding-left: 30px;
}
.ep_statistics{
    margin-top:23px;
    padding-top: 40px;
    height: 180px;
    background-color: #4ab344;
    font-size:14px;
    color:#fff;
}
.ep_list{
  display: flex;
  margin-left: 60px 
}
.ep_item{
  width:330px
}
.num{
    font-size: 36px;
}
.n_one{
    font-size: 16px;
}
.ep_top{
    margin-bottom: 0;
}
.company_img{
    position: absolute;
    right: 0;
    top:18px;
    width:520px;
    height:402px
}
.company_img img{
    width:100%;
    height:100%;
}
/* 科研中心 */
.scient_txt{
    text-align:center;
    line-height: 30px;
}

/* 产品中心应用成效 */
.effect_wrap{
    width:1200px;
    height:590px;
    display:flex;
}
.effect_img_left{
    height:100%;
    width:405px;
}
.effect_img_right{
    margin-left:40px;
}
.effect_img_right_t{
    height:233px;
}
.effect_img3{
    width: 738px;
    height: 233px;
}
.effect_img1{
    width:367px;
    height:337px;
}
.effect_img2{
    width:367px;
    height:337px;
}
/* 联系我们 */
.map_wrap{
    height:400px;
    margin-top:50px;
}
/* 产品详情 */
.lines{
    width:100%;
    height:40px;
    border-bottom:1px solid #ccc;
    margin-top:90px;
}
.pd_txt{
    font-size:20px;
    height:40px;
    line-height:40px;
    color:#4ab344;
    border-bottom:3px solid #4ab344;
    width:145px;
    text-align:center;
}
.pd_wrap{
    display:flex;
    margin-top: 30px ;
}
.pd_img{
    height:450px;
    border:1px solid #d1d1d1;
    margin-right:60px;
    
}
.pd_img img{
    height:80%;
    margin-top:37px;
}
.pt_info_txt{
    margin-top:30px;
}
.pd_phone{
    height: 40px;
    line-height: 40px;
    width: 160px;
    border-radius: 3px;
    border:1px solid #4ab344;
    color:#4ab344;
    text-align:center;
    margin-top:60px;
}
/*  */
.product_details_wrap{
    margin-top:60px;
}
.product_title{
    text-align:center;
    color: rgb(74, 179, 68);
}
.procuct_details{
    margin-top:30px;  
}
.p_txt_info{
    line-height:30px;
    font-size:14px;
}
.product_title_item{
    font-size:22px;
    margin:30px 0 20px 0;
}
.banner_item_img{
    width:100%;
    min-width: 1200px;

}
.banner_item_img  img{
    width:100%
}
.honor_img{
    width:280px;
    height:200px;
}
.honor_img_erect{
    width:164px;
    height:200px;
}
.honor_img_erect2{
    width:141px;
    height:200px;
}