/*技术交流(Q & A) start*/
.mdl_technical{
    width: 100%;
}
.mdl_technical ul li{
    float: left;
    width: 100%;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px dashed #ccc;
}
.mdl_technical ul li dd{
   
    box-sizing: border-box;
    color: #666666;
    margin-top: 10px;
}
/*技术交流(Q & A) end*/