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              <div style="width: 18em">
                <th>-- 项 ----- 目 --</th>
                <th>  价   格  </th>
                <th>-- 数 ----- 量 --</th>
    width 100%
    max-width 65em
    border 1px solid #dedede
    margin 15px auto
    border-collapse collapse
    empty-cells show
        height 35px
        border 1px solid #dedede
        padding 0 10px
        font-weight bold
        text-align center !important
        background rgba(158, 188, 226, .2)
        white-space nowrap
    tbody tr:nth-child(2n)
        background rgba(158, 188, 226, .12)
        white-space nowrap
        background #efefef

    overflow auto
    var wrapper = document.createElement('div');
    wrapper.className = 'table-area';
    el.parentNode.insertBefore(wrapper, el);
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