.color-chart {
      font-family: Arial, sans-serif;
      color: #333;
    }
    /* 顶部提示 */
    .color-chart .notice {
      text-align: center;
      font-size: 14px;
      margin: 20px auto 10px;
      padding: 5px;
      color: #555;
    }
    .color-chart .notice a {
      color: #d63384;
      font-weight: bold;
      text-decoration: none;
    }
    .color-chart .notice a:hover {
      text-decoration: underline;
    }

    /* 表格外层容器：桌面兜底横向滚动 */
    .color-chart .table-container {
      width: 100%;
      overflow-x: auto;
    }

    /* 桌面端（8列） */
    .color-chart table {
      border-collapse: collapse;
      margin: 10px auto 40px;
      text-align: center;
      background: #fff;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
      width: 100%;
      table-layout: fixed;
      min-width: 960px; /* 8列更稳定 */
    }
    .color-chart td {
      border: 1px solid #000;
      padding: 8px 10px;
      vertical-align: top;
      word-wrap: break-word;
      background: #fff;
    }
    .color-chart .label {
      font-size: 14px;
      margin-bottom: 4px;
      display: block;
      font-weight: normal;
    }
    .color-chart .color-box {
      width: 100%;
      height: 50px;
      border: 1px solid #ccc;
    }
    .color-chart td[colspan="8"] {
      background: #f0f0f0;
      font-size: 16px;
      font-weight: 700;
      text-align: center;
    }

    /* 移动端（≤640px）：两列卡片式 */
    @media (max-width: 640px) {
      .color-chart .table-container { overflow-x: visible; }
      .color-chart table { min-width: 0; box-shadow: none; }
      .color-chart tbody tr {
        display: flex;
        flex-wrap: wrap;
        border: 1px solid #000;
        border-left: 0;
        border-right: 0;
        margin-bottom: 10px;
      }
      .color-chart td {
        box-sizing: border-box;
        width: 50%;           /* 两列 */
        border: 1px solid #000;
        padding: 10px;
      }
      .color-chart td[colspan="8"] {
        width: 100%;          /* 标题占满整行 */
        border-width: 1px 0;
        font-size: 15px;
      }
      .color-chart .color-box { height: 56px; }
    }