/* 必要布局样式css */
.product-num-nub{
    display: inline-block;
    width: auto;
    font-size: 50px;
    color: #fff;
    line-height: 62px;
    font-family: -apple-system,BlinkMacSystemFont,Roboto,Helvetica Neue,Helvetica,PingFangSC,Hiragino Sans GB,Microsoft YaHei,SimSun,sans-serif;
}