body{
    background: #fff;
}
.purchase{
    height:19.5rem;
    margin:1.5rem 1.5rem;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -o-box;
    display: box;
    -moz-box-orient:vertical;
    -webkit-box-orient:vertical;
    box-orient:vertical;
}
.vertical{
    -webkit-box-flex:1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    -o-box-flex: 1;
    box-flex: 1;
    border-bottom:1px solid #eceef2;
}
.level{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -o-box;
    display: box;
}
.level_con{
    -webkit-box-flex:1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    -o-box-flex: 1;
    box-flex: 1;
    display: flex;
    flex-flow:row;
    align-items: center; /*定义body的元素垂直居中*/
    justify-content: center; /*定义body的里的元素水平居中*/
    padding:1rem 0;
    border-right:1px solid #eceef2;
}
.purchase_pic{
    width:4.5rem;
    height:4.5rem;
    margin:0 auto;
    position:relative;
}
.purchase_pic_name{
    font-size:0.6rem;
    position:absolute;
    min-width:3rem;
    text-align: center;
    top:60%;
    left:50%;
    margin-left:-1.5rem;
}