.er-bn dl dd {
    max-width: 1050px;
}

/*社会公益 begin*/
.row1{position: relative}
.row1 img{width: 100%}
/*社会公益 end*/

/*碳中和*/
.row3 .pos{margin-left: 0;float: left;margin-right: 60px}
.row3 .img{overflow: hidden;}
.row3 .img img{width: 100%}

@media only screen and (max-width: 1500px){
    .row3 .pos {margin-right: 30px;}
    .row3 .pos .txt {max-width: 330px;}
}
@media only screen and (max-width: 900px){
    .row3,.row5{border-bottom: 1px solid #E6E7E8;}
    .row3 .pos {margin-right: 0;float: none}
    .row3 .pos .txt {max-width: initial;}
    .row3 .img {display: none;}
    .row3_img{margin-bottom: 20px;}
}
/*碳中和*/

/*商汤生态*/
.row5 .left{width: 38%;margin-right: 20px;float: left}
.row5 .box1 .left .tit{margin-bottom: 20px;}
.row5 .box1 .txt{overflow: hidden;margin-top: 20px;font-size: 14px;line-height: 26px;}
.row5 .box2 .left{position: relative;height: 0;padding-bottom: 28.5%;overflow: hidden;}
.row5 .box2 img{width: 100%}
.row5 .box2 .right{position: relative;height: 0;padding-bottom: 28.5%;overflow: hidden;}
.row5 .box2 .pos{color: #fff;position: absolute;bottom: 40px;left: 0;padding: 0 40px;}
.row5 .box2 .pos .txt{margin-top: 14px;line-height: 26px}

@media only screen and (max-width: 1370px){
    .row5 .box2 .pos {bottom: 20px;padding: 0 20px;}
}
@media only screen and (max-width: 900px){
    .row5 .left{width: 100%;margin-right: 0;float: none;}
    .row5 .box2 .pos {color: #333;position: static;padding: 0;margin: 18px 0 28px;}
    .row5 .box2 .left,
    .row5 .box2 .right{height: auto;padding-bottom: 0;}
}
/*商汤生态*/