/* 打印时：隐藏所有内容 */
@media print {
  body * {
    visibility: hidden;
  }

  /* 只显示要打印的 div 及其子元素 */
  #print-invoice,
  #print-invoice * {
    visibility: visible;
  }

  #print-invoice {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 1cm;
    box-sizing: border-box;
    font-size: 12pt;
    font-family: 'SimSun', '宋体', serif;
  }

  /* 隐藏弹窗中的操作按钮（双重保险） */
  .no-print {
    display: none !important;
  }
}

/* 屏幕上正常显示 */
@media screen {
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }

  .modal-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
  }

  .modal-actions {
    margin-top: 20px;
    text-align: right;
  }

  .modal-actions button {
    margin-left: 10px;
    padding: 8px 16px;
  }
}