.zhineng .zhineng-box{
            background: #fff;
    padding: 15px 10px;
    margin: 70px 0;
    box-shadow: 0 0 1px rgba(0, 0, 0, .1);
    border-radius: 10px;
    }
    .zhineng .zhineng_l {
        float: left;
        width: 75%;
        border-right: 1px #ccc dotted;
    }
    .zhineng .zhineng_l img {
        width: 100%;
    }
    .zhineng .zhineng_r{
        width: 25%;
        float: left;
    }
    .zhineng .zhineng_r ul li{
        font-size: 16px;
        padding-left: 70px;
        color: #a0a0a0;
        transition: all .2s;
        background-repeat: no-repeat;
        background-position: 25px center;
        line-height: 35px;
        background-size: 30px;
        margin-bottom: 2px;
        cursor: pointer;
    }
    .zhineng .zhineng_r ul li:hover{
        color: #333;
        background-size: 34px;
    }
@media(max-width: 770px){
    .zhineng .zhineng-box{
        margin: 30px 0;
        padding: 10px 5px;
    }
    .zhineng .zhineng_l{
        width: 100%;
    }
    .zhineng .zhineng_r{
        width: 100%;
    }
    .zhineng .zhineng_r ul li{
        font-size: 14px;
        margin: 5px;
    }
}