.main{
    width: 1200px;
    margin: 0 auto;
    background: url("/images/hualu/qiyelinian_03.png") no-repeat bottom;
}
.idea_list{
    width: 780px;
    padding: 30px 10px;
    margin: 0 auto;

    overflow: hidden;
}
.idea_con{
    float: left;
    width: calc(100%/ 2 - 135px);
    padding: 70px 60px;
    margin-right: 30px;
    background-color: #fafcff;
    box-shadow: 0 0 10px #f2f2f2;
    margin-bottom: 30px;
}
.idea_con:nth-child(2n){
    margin-right: 0;
}
.num{
    font-size: 60px;
    color: #f1f2f5;
    float: right;
}
.idea_tit{
    margin: 60px 0 45px;
    color: #080808;
    font-size: 24px;
}
.idea_txt{
    line-height: 30px;
}
@media screen and (max-width: 750px) {
    .main{
        width: 96%;
    }
    .idea_list{
        width: 92%;
        padding: 15px 10px;
    }
    .idea_con{
        width: calc(100% - 60px);
        padding: 35px 30px;
        margin-right: 0;
        margin-bottom: 15px;
    }
    .idea_tit{
        margin: 20px 0 10px;
        color: #080808;
        font-size: 18px;
    }
    .idea_txt{
        line-height: 30px;
    }
}