<!-- 🎬 页面过渡组件 -->
<view class="page-transition-container {{transitionClass}}" 
      style="{{animationStyle}}"
      animation="{{animationData}}">
  
  <!-- 页面内容插槽 -->
  <slot></slot>
  
  <!-- 过渡遮罩 -->
  <view wx:if="{{showOverlay}}" 
        class="transition-overlay {{overlayClass}}"
        style="{{overlayStyle}}">
  </view>
  
  <!-- 加载指示器 -->
  <view wx:if="{{showLoading}}" class="transition-loading">
    <view class="loading-spinner" animation="{{loadingAnimation}}"></view>
    <text class="loading-text">{{loadingText}}</text>
  </view>
</view>
