.loading-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #fff2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
  }
  /* 加载动画（旋转圆圈） */
  .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #42b983; /* Vue 绿色 */
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
  }
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  /* 加载完成后隐藏动画 */
  .loading-wrapper.hide {
    opacity: 0;
    pointer-events: none;
  }