.title {
    font-size: 36px;
}
.con {
    padding-top: 100px;
}

.one {
    margin-top: 35px;
    overflow: hidden;
}

.list-l {
    box-sizing: border-box;
    width: 50%;
    padding-right: 40px;
    float: left;
}

.list-r {
    box-sizing: border-box;
    width: 50%;
    padding-left: 40px;
    float: left;
    margin-top: 200px;
    margin-bottom: 120px;
}

.list-l img,.list-r img {
    width: 100%;
    margin-top: 100px;
}