.image-row-two-col {
        display: flex;
        flex-wrap: wrap;
        gap: 3px;
        justify-content: flex-start;   /* 关键：避免最后一行被撑开 */
        margin: 20px 0;
    }

    .image-row-two-col img {
        width: calc(25% - 3px);        /* 精准：一行 4 张 */
        height: auto;
        object-fit: contain;           /* 完整显示，不裁剪 */
        display: block;
    }

    @media (max-width: 600px) {
        .image-row-two-col img {
            width: 100%;
            margin-bottom: 10px;
        }
    }