<!-- components/local/navigation/navigation.wxml -->
<cover-view class="nav" style="height:{{navBarHeight}}px;z-index: 999;">
  <cover-view class="nav-main" wx:if="{{version == 'normal'}}">
    <!-- 胶囊区域 -->
    <cover-view class="capsule-box" style="height:{{menuHeight}}px; min-height:{{menuHeight}}px; line-height:{{menuHeight}}px; bottom:{{menuBotton}}px;">
      <!-- 导航内容区域 -->
      <slot></slot>
    </cover-view>
  </cover-view>
  <cover-view class="nav-main" wx:elif="{{version == 'cover_all'}}">
    <!-- 导航内容区域 -->
    <slot></slot>
  </cover-view>
</cover-view>