    /* 样式部分保持不变，去除了多余的冗余代码 */
    .stack-wrapper .stack-container {
        display: flex;
        flex-wrap: wrap;
        gap: 24px 30px;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 10px 0;
    }
    .stack-wrapper .stack-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        flex: 0 0 calc(50% - 15px);
        min-width: 300px;
    }
    .stack-wrapper .stack-table {
        border-collapse: collapse !important;
        border: none;
        font-size: 14px;
        font-family: 'Consolas', 'Courier New', monospace;
        width: 100%;
        max-width: 400px;
    }
    .stack-wrapper .stack-table td {
        width: 50%;
        height: 32px;
        text-align: center;
        vertical-align: middle;
        padding: 0 6px;
        box-sizing: border-box;
        word-break: keep-all;
        background: #fff;
    }
    .stack-wrapper .stack-table td:first-child {
        border: 1.5px solid #333 !important;
    }
    .stack-wrapper .stack-table td:last-child {
        border: none !important;
    }
    .stack-wrapper .stack-footnote {
        margin-top: 10px;
        font-size: 14px;
        font-weight: 600;
        color: #222;
        line-height: 1.5;
        text-align: center;
        font-family: 'Consolas', 'Courier New', monospace;
        min-height: 2.2em;
    }
    .stack-wrapper .stack-footnote:empty {
        display: none;
    }
    @media (max-width: 700px) {
        .stack-wrapper .stack-group {
            flex: 0 0 100%;
        }
        .stack-wrapper .stack-table td {
            height: 28px;
            font-size: 12px;
        }
    }
