.public_nav{
    background: #eee;
}




/*关于我们*/
.index_about{
    padding:90px 0 70px 0;
    background: url(../images/iab_bg.jpg)no-repeat center center;
    background-size:1920px 100%; 
}
.index_about .htit{
    margin-bottom:40px;
}
.index_about .iab_box{
    margin:0 auto;
	text-align:center;
}
.index_about .iab_box .video
{
    float: left;
    width: 48%;
    margin-right: 15px;
}
.index_about .iab_box .video video
{
    width: 100%;
    background-color: #000;
}
.index_about .iab_box .text{
    color:#666;
    font-size:16px;
    line-height:34px;
    overflow: hidden;
    height: 340px;
}
.index_about .iab_box .text p
{
    text-indent: 2em;
}
.index_about .tag_box{
    margin-top:30px;
}
.index_about .tag_box .list{
    float:left;
    width:25%;
    text-align:center;
    position: relative;
}
.index_about .tag_box .list:after{
    content:"";
    position: absolute;
    right:0;
    top:calc(50% - 58px);
    z-index: 11;
    width:1px;
    height:116px;
    background: #e5e5e5;
    display:block;
}
.index_about .tag_box .list:last-child:after{
    display: none;
}
.index_about .tag_box .list .pic{
    width:100%;
    height:80px;
}
.index_about .tag_box .list .pic1{
    background: url(../images/iab_pic1.png)no-repeat center center;
}
.index_about .tag_box .list .pic2{
    background: url(../images/iab_pic2.png)no-repeat center center;
}
.index_about .tag_box .list .pic3{
    background: url(../images/iab_pic3.png)no-repeat center center;
}
.index_about .tag_box .list .pic4{
    background: url(../images/iab_pic4.png)no-repeat center center;
}

.index_about .tag_box .list p{
    color:#666;
    font-size:15px;
    line-height:30px;

}
.index_about .tag_box .list h4{
    color:#444;
    font-size:30px;
    line-height:40px;
}
/*关于我们 end*/

/*产品中心*/

/*index_pro*/
.index_pro{
    padding:60px 0 0 0;
    background: #f7f7f7;
}
.index_pro_slide .parhd{
    text-align:center;
    margin:40px 0;
}
.index_pro_slide .parhd ul{
    display: inline-block;
}
.index_pro_slide .parhd ul li{
    float:left;
    padding:0 52px;
    color:#444;
    font-size:17px;
    line-height:36px;
    position: relative;
    cursor: pointer;
}
.index_pro_slide .parhd ul li i{
    display: block;
    transition:all 0.4s ease-in-out;
    -webkit-transition:all 0.4s ease-in-out;
    -moz-transition:all 0.4s ease-in-out;
    -o-transition:all 0.4s ease-in-out;
}
.index_pro_slide .parhd ul li:hover i{
    transform:translate(0,-10px);
    -webkit-transform:translate(0,-10px);
    -moz-transform:translate(0,-10px);
    -o-transform:translate(0,-10px);
    -ms-transform:translate(0,-10px);
}

.index_pro_slide .parhd ul li:after{
    content:"";
    position: absolute;
    right:0;
    top:calc(50% - 8px);
    z-index: 11;
    width:1px;
    height:16px;
    display: block;
    background: #ddd;
}
.index_pro_slide .parhd ul li:last-child:after{
    display: none;
}
.index_pro_slide .parbd .slide_box{
    width:100%;
    max-width:1920px;
    height:850px;
    margin:0 auto;
    overflow: hidden;
}
.index_pro_slide .parbd .slide_box .bd{
    position: relative;
}
.index_pro_slide .parbd .slide_box .bd .sprev,
.index_pro_slide .parbd .slide_box .bd .snext{
    width:64px;
    height:136px;
    position: absolute;
    top:calc(50% - 68px);
    z-index: 11;
    cursor: pointer;
}
.index_pro_slide .parbd .slide_box .bd .sprev{
    left:0;
    background: rgba(0,0,0,.3) url(../images/l_bg.png) no-repeat center center;
}
.index_pro_slide .parbd .slide_box .bd .snext{
    right:0;
    background: rgba(0,0,0,.3) url(../images/r_bg.png) no-repeat center center;
}

.index_pro_slide .parbd .slide_box .bd{
    margin:0 auto;
    width:1300px;
    position: relative;
}

.index_pro_slide .parbd .slide_box .bd:after{
    content: "";
    position: absolute;
    left:-310px;
    top:0;
    z-index: 11;
    width:305px;
    height:100%;
    background: rgba(0,0,0,.6);
    display: block;
}
.index_pro_slide .parbd .slide_box .bd:before{
    content: "";
    position: absolute;
    right:-310px;
    top:0;
    z-index: 11;
    width:305px;
    height:100%;
    background: rgba(0,0,0,.6);
    display: block;
}
.index_pro_slide .parbd .slide_box .bd .tempWrap{
    overflow: visible !important;
}

.index_pro_slide .parbd .slide_box .bd ul li{
	float:left;
    width:1300px;
    height:850px;
    margin-right:5px;
}

.index_pro_slide .parbd .slide_box .bd ul li .img_box{
    width:1300px;
    height:850px;
    line-height:850px;
    text-align:center;
	display: block;
}
.index_pro_slide .parbd .slide_box .bd ul li .img_box img{
	width:100%;
	height:100%;
}
/*产品中心 end*/

/*工程案例*/

/*.index_case*/
.index_case{
    padding:70px 0;
    background: url(../images/ica_bg.jpg)no-repeat center center;
    background-size: 100% 100%;
}
.index_case .htit h2{
    color:#fff;
    background: url(../images/h_bg2.png)no-repeat center bottom;
}
.index_case .htit p{
    color:#bcbcbc;
}

.index_case_slide .carbd
{
    margin-top: 40px;
}

.index_case_slide .carbd .slide_box{
    width:1300px;
    height:850px;
    position: relative;
    overflow: hidden;
}
.index_case_slide .carbd .slide_box .bd ul li .img_box{
	display: block;
	width:1300px;
	height:850px;
	line-height:850px;
	text-align:center;
}
.index_case_slide .carbd .slide_box .sprev,
.index_case_slide .carbd .slide_box .snext{
    position: absolute;
    top:calc(50% - 68px);
    z-index: 11;
    width:65px;
    height:136px;
    cursor: pointer;
}
.index_case_slide .carbd .slide_box .sprev{
    left:1%;
    background: rgba(0,0,0,0) url(../images/l_bg.png)no-repeat center center;
}
.index_case_slide .carbd .slide_box .snext{
    right:1%;
    background: rgba(0,0,0,0) url(../images/r_bg.png)no-repeat center center;
}
.index_case .index_more{
    background: #000;
    color:#fff;
    font-size:16px;
    width:200px;
    text-align:center;
    border-radius: 28px;
    height:56px;
    line-height:56px;
    margin:60px auto 0 auto;
}
.index_case .index_more a
{
    color: #fff;
}

/*工程案例 end*/

/*新闻*/

.index_news{
    padding:70px 0 100px 0;
}
.index_news .htit{
    margin-bottom:40px;
}
.index_news_nav{
    text-align:center;
    margin-bottom:40px;
}
.index_news_nav ul{
    display: inline-block;
}
.index_news_nav ul li{
    float:left;
    width:136px;
    margin:0 20px;
    height:40px;
    color:#444;
    font-size:16px;
    line-height:40px;
    border-radius: 20px;
    text-align:center;
    background: #f4f4f4;
    -webkit-transition: all .8s ease-in-out;
    -moz-transition: all .8s ease-in-out;
    -ms-transition: all .8s ease-in-out;
    -o-transition: all .8s ease-in-out;
    transition: all .8s ease-in-out;
}
.index_news_nav ul li a{
    display: block;
}
.index_news_nav ul li:hover{
    color:#fff;
    background: #000;
}

.index_news .list_box .left{
    float:left;
    width:500px;
}
.index_news .list_box .left a{
    display: block;
}
.index_news .list_box .left .img_box{
    width:500px;
    height:368px;
    line-height:368px;
    text-align:center;
}
.index_news .list_box .left .text_box{
    padding:20px 0;
}
.index_news .list_box .left .text_box h3{
    color:#444;
    font-size:18px;
    line-height:24px;
}
.index_news .list_box .left:hover .text_box h3{
	font-weight:bold;
}
.index_news .list_box .left .text_box i{
    color:#888;
    font-size:15px;
    line-height:24px;
    display: block;
    margin-top:5px;
    margin-bottom:15px;
}
.index_news .list_box .left .text_box .text{
    color:#888;
    font-size:15px;
    line-height:24px;
    display: block;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2; 
}
.index_news .list_box .right{
    float:right;
    width:700px;
    height: 496px;
    overflow: hidden;
    border-top:1px dashed #e5e5e5;
}
.index_news .list_box .right .list a{
    display: block;
}
.index_news .list_box .right .list{
    padding-left:145px;
    padding-top:38px;
    padding-bottom:38px;
    position: relative;
    border-bottom:1px dashed #e5e5e5;
}
.index_news .list_box .right .list .day{
    position: absolute;
    left:0;
    top:32px;
    z-index: 11;
}
.index_news .list_box .right .list .day i{
    display: block;
    color:#888;
    font-size:24px;
    padding-bottom:5px;
    margin-bottom:8px;
    border-bottom:1px solid #ddd;
}

.index_news .list_box .right .list .day span{
    display: block;
    color:#888;
    font-size:15px;
}
.index_news .list_box .right .list h3{
    color:#444;
    font-size:16px;
    line-height:24px;
    margin-bottom:18px;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
}
.index_news .list_box .right .list:hover h3{
	font-weight:bold;
}
.index_news .list_box .right .list .text{
    color:#888;
    font-size:15px;
    line-height:24px;
    display: block;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2; 
}
/*新闻*/

/*合作共赢*/

.index_join{
    padding:75px 0;
}
.index_join .htit{
    margin-bottom:55px;
}
.index_join .list_box .list{
    float:left;
    width:25%;
    text-align:center;
}
.index_join .list_box .list a{
    display: block;
}
.index_join .list_box .list{
    text-align:center;
}
.index_join .list_box .list .text{
    display: inline-block;
    text-align:left;
    padding-left:80px;
}
.index_join .list_box .list .t1{
    background: url(../images/i_t1.png)no-repeat 10px 0;
}
.index_join .list_box .list .t2{
    background: url(../images/i_t2.png)no-repeat 10px 0;
}
.index_join .list_box .list .t3{
    background: url(../images/i_t3.png)no-repeat 10px 0;
}
.index_join .list_box .list .t4{
    background: url(../images/i_t4.png)no-repeat 10px 0;
}
.index_join .list_box .list .text h4{
    color:#444;
    font-size:17px;
    line-height:27px;
}
.index_join .list_box .list .text p{
    color:#888;
    font-size:15px;
    line-height:25px;
}
.index_join .img_box{
    padding:60px 0 30px 0;
	display: block;
}
/*合作共赢 end*/



/*.index_net*/
.index_net{
    padding:75px 0 110px 0;
    background: url(../images/index_net_bg.jpg) no-repeat center center;
    background-size: 100% 100%;
}
.index_net .htit{
    margin-bottom:30px;
}
.index_net_swiper{
    width:100%;
	height:540px;
    margin:0 auto;
    overflow: hidden;
    position: relative;
}
.index_net_swiper .in_sprev,
.index_net_swiper .in_snext{
    width:54px;
    height:104px;
    position: absolute;
    top:32%;
    z-index: 11;
    cursor: pointer;
}
.index_net_swiper .in_sprev{
    left:0;
    background: rgba(0,0,0,.3) url(../images/l_bg2.png) no-repeat center center;
}
.index_net_swiper .in_snext{
    right:0;
    background: rgba(0,0,0,.3) url(../images/r_bg2.png) no-repeat center center;
}
.index_net_swiper .swiper-slide{
    width:644px;
}
.index_net_swiper .swiper-slide .img_box{
    width:644px;
    height:450px;
    text-align:center;
    line-height:450px;
	display: block;
}
.index_net_swiper .swiper-scrollbar{
    position: absolute;
    width:100%;
    margin-top:-7px;
    height:6px;
    border-radius: 3px;
    background: #e0e0e0;
}
.index_net_swiper .swiper-scrollbar .swiper-scrollbar-drag{
    height:6px;
    border-radius: 3px;
    background: #a0a0a0;
}