.my-btn {
      padding: 8px 16px;
      background: #1e9fff;
      border: none;
      border-radius: 4px;
      color: #fff;
      cursor: pointer;
    }

    #paramPanel {
      position: fixed;
      top: 50px;
      right: 20px;
      width: 320px;
      background: #fff;
      border: 1px solid #ccc;
      border-radius: 8px;
      box-shadow: 0 2px 12px rgba(0,0,0,0.15);
      padding: 12px;
      display: none;
      font-family: sans-serif;
      font-size: 13px;
      z-index: 2;
    }

    #paramPanel h3 {
      margin: 0 0 10px 0;
      font-size: 15px;
      text-align: center;
    }

    .form-row {
      display: grid;
      gap: 8px;
      margin-bottom: 10px;
    }

    .row-3 {
      grid-template-columns: repeat(3, 1fr);
    }

    .form-item {
      display: flex;
      flex-direction: column;
    }

    .form-item label {
      margin-bottom: 2px;
      font-size: 12px;
    }

    .form-item input {
      width: 100%;
      padding: 3px 4px;
      font-size: 12px;
      box-sizing: border-box;
    }

    input[type=number]::-webkit-inner-spin-button, 
    input[type=number]::-webkit-outer-spin-button { 
      -webkit-appearance: none; 
      margin: 0; 
    }
    input[type=number] {
    -moz-appearance: textfield;   /* Firefox */
    -webkit-appearance: none;      /* Chrome/Safari */
    appearance: none;              /* 标准属性，未来兼容性更好 */
    margin: 0;                     /* 避免 spinner 引起额外 margin */
    }


    .panel-actions {
      text-align: right;
      margin-top: 10px;
      display: flex;
      justify-content: flex-end;
      gap: 8px;
    }

    .panel-actions button {
      padding: 5px 12px;
    }

    .opacitySliderBar2 {
    display: flex;
    align-items: center; /* 垂直居中 */
    gap: 8px;            /* 元素间距 */
}

.opacitySliderBar2 span {
    white-space: nowrap; /* 避免换行 */
}

#progressBar {
    width: 70px; /* 根据需要调整 */
    pointer-events: none; /* 禁止鼠标操作 */
}