/* 图片响应式处理 */
img {
  max-width: 100%;
  height: auto;
}

/* 表格响应式处理 */
.table-responsive {
  overflow-x: auto;
}

@media (max-width: 767px) {
  /* 隐藏表格中不重要的列 */
  table th:nth-child(4),
  table td:nth-child(4),
  table th:nth-child(5),
  table td:nth-child(5) {
    display: none;
  }

  /* 表格堆叠布局 */
  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }

  tr {
    margin-bottom: 10px;
    border: 1px solid #dee2e6;
  }

  td {
    padding-left: 0;
    position: relative;
  }

  td::before {
    content: attr(data-label);
    position: absolute;
    left: 15px;
    top: 0;
    width: 45%;
    white-space: nowrap;
    font-weight: 600;
    color: #6c757d;
  }
}