显示:使用纯CSS加载页面时目标弹出窗口

<div class="loading-container">
  <div class="loading-content">
    <div class="loading-spinner"></div>
    <div class="loading-text">正在加载，请稍候...</div>
  </div>
</div>

.loading-container {
  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;
}

.loading-content {
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #ccc;
  border-top-color: #333;
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin-bottom: 10px;
}

.loading-text {
  font-size: 16px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}