.index_banner{
    width: 100%;
    height: 700px;
    background: url(../img/index_banner.png);
    background-position: center;
}
.index_banner_box{
    width: 80%;
    height: 60px;
    margin: 0 auto;
    padding-top: 20px;
}
.index_logo{
    float: left;
}
.index_nav{
    float: right;
}
.index_nav li{
    display: inline-block;
    margin-left: 40px;
    font-size: 14px;
}
.index_nav li a{
    color: #fff;

}
.index_banner_text{
    width: 850px;
    margin: 0 auto;
    color: #fff;
    margin-top: 180px;
}
.index_banner_title{
    font-size: 60px;
    text-align: center;
}
.index_banner_del{
    font-size: 14px;
    line-height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: justify;
}
.index_banner_icon{
    width: 35px;
    height: 35px;
    position: relative;
    top: 240px;
    margin: 0 auto;

}

/* 科研方向 */
.index_direction{
   width: 80%; 
   margin: 0 auto;

}
.index_title{
    height: 60px;
    font-size: 24px;
    color: #333;
    text-align: center;
}
.index_direction_box{
    display: flex;
    justify-content: space-around;
    height:170px ;
}
.index_direction_det{
    margin: 0 10px;
    width: 280px;
    float: left;
}
.index_dir_icon{
    width:80px;
    height: 80px;
    margin: 0 auto;;
}
.index_dir_tit{
    font-size: 14px;
    color: #333;
    text-align: center;
}
.index_dir_text{
    font-size: 12px;
    color: #999;
    text-align: center;
    line-height: 20px;
    width: 240px;
    margin: 0 auto;
}
/* 研究产品 */
.index_product_box{
    width: 100%;
    height: 500px;
    background: url(../img/index_two_bg.png);
}

.index_pro_right_tit{
    font-size: 24px;
    color: #fff;
    line-height: 40px;
    max-width:80%;
}
.index_pro_right_text{
    font-size: 14px;
    color: #fff;
    line-height:24px;
    max-width:80%;
}
.swiper-product {
    width: 100%;
    height: 600px;
  }
.swiper-product .swiper-slide {
    display:flex;
    flex-direction: row;
    width: 100%;
    height: 100%;
    background: url(../img/index_two_bg.png);

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.index_product_left{
    width:50%;
    height:100%;
}
.index_product_right{
    width:50%;
    height:100%;
    display:flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
/* 应用场景 */
.index_Scenes_box{
    width: 80%;
    margin: 0 auto;
    height: 300px;
    display:flex;
}
.index_scenes_item{
    width: 20%;
    height: 280px;
    margin: 0 10px;
    display: flex;
    justify-content:center;
    align-items: flex-end;
    background-size: cover;
    background-repeat: no-repeat;
}
.index_Scenes_title{
    font-size: 18px;
    width:100%;
    height: 50px;
    background-color: rgba(0,0,0,0.7);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
/* 资质优势 */
.index_adv_left{
    width: 60%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.index_adv_right{
    width:40%;
    display:flex;
    justify-content: center;
    align-items: center;
}
.index_adv_right img{
    width:100%;
}
.index_adv_box{
    width: 80%;
    margin: 0 auto;
    height: 310px;
    display:flex;
}
.index_adv_text{
   font-size: 14px;
   color: #666;
   line-height: 24px;
}
.index_adv_det{
    width: 500px;
    height:80%;
    display:flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
.index_adv_det_one{
    width: 240px;
}
.index_adv_det_one span{
    width: 30px;
    height: 30px;
    margin-right: 15px;;
    float: left;
}
.index_adv_det_one p{
    width:180px ;
    float: left;
    font-size: 12px;
    color: #999;;
}
/* 核心团队 */
.index_team{
    width: 100%;
    height: 500px;
    background: url(../img/index_five_bg.png);
}
.index_title2{
    height: 60px;
    font-size: 24px;
    color: #fff;
    text-align: center;
    padding-top: 60px;
    
}
.index_team_box{
    width: 80%;
    margin: 0 auto;
    height: 210px;
    display:flex;
    justify-content: space-around;
    align-items: flex-start;
}
.index_team_one{
    width: 140px;
    margin: 0 20px;
    display:flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;

}
.index_team_pic{
    width: 100px;
    height: 140px;
    
}
.index_team_pic img{
    width:100px;
    height:100px;
}
.index_team_text p{
    text-align: center;
    color: #fff;
}
.index_team_name{
    font-size: 18px;
}
.index_team_z{
    font-size: 12px;
}
/* 资讯 */
.index_news_box{
    width: 80%;
    margin: 0 auto;
    height: 240px;
}
.index_news_det{
    width: 100%;
    height: 240px;
    margin: 0 10px;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.index_news_text{
    width: 100%;
    height: 60px;
    background-color: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
    -webkit-line-clamp:3; 
    color: #fff;
    font-size: 14px;
    line-height: 20px;
    padding: 0 10px;
}
/* 合作伙伴 */
.index_partner{
    display:flex;
    flex-wrap:wrap;
    margin: 0 auto;
    flex-direction:column;
    align-items:center;
    justify-content:center;
}
.logo_box{
    width:80%;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
}
.logo_box img{
    width:25%;
    padding: 5px 10px;
    box-sizing: border-box;
}
/* 联系我们 */
.index_contact{
    width: 100%;
    height: 300px;
    background: url(../img/index_end_bg.png);
    background-position: center;
}
.index_contact_box{
    width: 1000px;
    margin: 0 auto;;
}
.index_contact_main{
    text-align:center;
    font-size: 32px;
    line-height: 80px;
    color: #fff;
    padding-top:40px;
}
.index_contact_t{
    text-align:center;
    font-size: 16px;
    line-height: 50px;
    color: #fff;
    opacity: 0.8;
}
.index_contact_but{
    width: 140px;
    height: 40px;
    border-radius:40px;
    margin: 0 auto;
    border: 1px solid #fff;
}
.index_contact_but a{
    display: block;
    text-align: center;
    color: #fff;
    line-height: 40px;
    text-decoration: none;
}
.index_contact_but a:hover{
    border-radius:40px;
    display: block;
    text-align: center;
    color: #353D65;
    line-height: 40px;
    background-color: #fff;
    text-decoration: none;
}
/* 底部 */
.index_footer{
    width: 100%;
    height:220px ;
    background-color: #0D0E2A;
}
.index_footer_box{
    width: 80%;
    height: 130px;
    margin: 0 auto;
    padding-top: 50px;
    display: flex;
    justify-content: space-around;
}
.index_footer_logo{
    width: 20%;
    margin-right: 80px;
}
.index_footer_logo img{
    width: 100%;
}
.index_footer_main{
    width: 25%;
    margin-right: 20px;
}
.index_footer_main_t{
    color: #fff;
    font-size: 16px;
}
.index_footer_main p{
    color: #fff;
    font-size: 12px;
    opacity: 0.8;
    line-height: 30px;
}
.index_footer_code{
    width: 100px;
    height: 100px;
}
.index_footer_copyright{
    width: 100%;
    border-top: 1px solid #fff;
    opacity: 0.3;
    line-height: 40px;
    text-align: center;
    color: #fff;
    font-size: 12px;
}



/* swiper */

/* 间距 */
.mt10{
    margin-top: 10px;
}
.mt20{
    margin-top: 20px;
}
.mt40{
    margin-top: 40px;
}
.mt80{
    margin-top: 80px;
}
.mb20{
    margin-bottom: 20px;
}