*{
    margin: 0;
    padding: 0;
}
ul, ol { list-style: none; }
a { text-decoration: none; color: #000}
a:hover { text-decoration: none;  color: #000}
.cx_dow_cx{
    overflow: hidden;
    max-width: 1250px;
    margin: 0 auto;
    /* margin-top: 40px; */
    padding-left: 10%;
    padding-right:10%; 
    box-sizing: border-box;
}
.cx_dow_cx li{
    width: 50%;
    float: left;
    margin-bottom: 30px;
}
.cx_dow_cx li:nth-child(2n){
    float: right;
}
.cx_dow_cx li img{
    display: block;
    width: 100%; 
}
.cx_dow_cx div{
    width: 50%;
    height: 50px;
    border: 1px solid #000000;
    margin: 0 auto;
    font-size: 18px;
    box-sizing: border-box;
    line-height: 50px;
    position: relative;
}
//.cx_dow_cx div::before{
//    content:'';
//    width: 30px;
//    height: 50px;
//    background: url(dow-pdf.png) no-repeat ;
//    background-size: 100%;
//    position: absolute;
//    right: 5%;
//    top: 5px;
//}
.cx_dow_cx div a{
    display: block;
    width: 100%;
    height: 100%;
text-align: center;
    font-size: 18px;
}
.qt_dow:hover{
background: #727071;
color: #ffffff;
}
.cx_dow_cx div:hover{
    background: #727071;
}
.cx_dow_cx div:hover a{
    color: #ffffff;
}


@media screen and (max-width: 873px){
    .cx_dow_cx div{
        padding-left: 2%;
        font-size: 16px;
    }
}
@media screen and (max-width:720px){
    .cx_dow_cx{
        padding: 0;
    }
    .cx_dow_cx li{
        float: none !important;
        width: 70%;
        margin: 0 auto;
        margin-bottom: 20px;
    }
    .cx_dow_cx div{
        width: 60%;
    }
    .cx_dow_cx div::before{
        width: 23px;
        top: 10px;
    }
}