fix: 分享页面隐藏原生导航栏，使用自定义标题栏

src/pages.json

@@ -105,7 +105,8 @@
     {
       "path": "pages/share/order",
       "style": {
-        "navigationBarTitleText": "订单详情"
+        "navigationBarTitleText": "订单详情",
+        "navigationStyle": "custom"
       }
     }
   ],

src/pages/share/order.vue

@@ -1,5 +1,10 @@
 <template>
   <view class="page">
+    <!-- 自定义导航 -->
+    <view class="custom-nav">
+      <text class="nav-title">订单详情</text>
+    </view>
+
     <!-- 加载中 -->
     <view class="loading" v-if="loading">
       <text>加载中...</text>
@@ -159,6 +164,20 @@ export default {
   background: #f5f5f5;
 }
 
+.custom-nav {
+  height: 88rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+}
+
+.nav-title {
+  font-size: 32rpx;
+  color: #fff;
+  font-weight: bold;
+}
+
 .loading, .error {
   display: flex;
   flex-direction: column;