.footer{width:100%;background-color:#f8f8f8;}
.footer_box{width: 1200px;margin: 0 auto;overflow: hidden;}
.footer_img{margin: 68px 0 58px 0;}
.footer_zs{overflow: hidden;margin-bottom: 120px;}
.code_img{float: left;overflow: hidden;margin-right: 60px;}
.code_img:last-child{margin-right: 0;}
.code_img li{float: left;}
.code_img li .code_zs{width:140px;height: 180px;overflow: hidden;border-radius:12px;}
.code_img li .code_zs div{width:120px;height: 120px;overflow: hidden;border-radius:12px;margin: 0 auto 15px auto;}
.code_img li .code_zs div img{width:100%;height:100%;}
.code_img li h6{font-size: 14px;text-align: center;color: #fff;}
.code_img h4{font-size: 20px;font-weight: bold;margin-bottom: 45px;color: #fff;}
.code_platform li:nth-child(3n){padding: 0 18px;}
.code_platform li div{height: 71px;}
.code_img li a{display: block;font-size: 14px;padding: 0 0 22px 0;color: #fff;}
.code_img li span:last-child{line-height: 20px;}
.code_text{width: 70%;}
.code_text li{margin-top: 20px;font-size: 16px;color: #fff;}
.code_text li div{ margin: 10px 0 15px 0;}
.footer_bah{width: 100%;height: 70px;background-color:#1e1e1e;font-size: 14px;line-height: 70px;text-align: center;}
.footer_bah a{color: #fff;}
 .top {
        width: 50px;
        height: 37px;
        background: skyblue;
        cursor: pointer;
        color: white;
        text-align: center;
        padding-top: 13px;
        position: fixed;
        right: 100px;
        bottom: 50px;
        display: none;
    }
    
    .top:hover {
        background: yellowgreen;
    }

    a{
        text-decoration: none;
    }