diff --git a/pwuniapp/pages/order/list.vue b/pwuniapp/pages/order/list.vue
index 0ba020e..f3fc3d7 100644
--- a/pwuniapp/pages/order/list.vue
+++ b/pwuniapp/pages/order/list.vue
@@ -1,21 +1,37 @@
 <template>
   <view class="order-list-container" :class="{ 'theme-warm': currentThemeKey === 'warm' }" :style="navStyle">
-    <!-- 顶部状态分类 Tab -->
-    <view class="tab-header">
-      <view
-        v-for="tab in tabs"
-        :key="tab.key"
-        class="tab-item btn-active"
-        :class="{ active: currentTab === tab.key }"
-        @click="switchTab(tab.key)"
-      >
-        <text class="tab-text">{{ tab.name }}</text>
-        <view class="tab-indicator" v-if="currentTab === tab.key"></view>
+    <!-- 顶部沉浸式自定义导航栏 -->
+    <view class="custom-nav-bar">
+      <view class="nav-content">
+        <view class="btn-nav-back btn-active" @click="handleBack">
+          <image class="nav-back-icon" :src="ICONS.chevronLeft" mode="aspectFit" />
+        </view>
+        <view class="nav-title-wrap">
+          <text class="nav-title">我的订单</text>
+        </view>
+        <!-- 胶囊右侧对称避让占位 -->
+        <view class="nav-capsule-placeholder"></view>
       </view>
     </view>
 
-    <!-- 订单列表 -->
-    <view class="orders-wrap">
+    <!-- 主体内容区域 -->
+    <view class="order-content-body">
+      <!-- 顶部状态分类 Tab -->
+      <view class="tab-header">
+        <view
+          v-for="tab in tabs"
+          :key="tab.key"
+          class="tab-item btn-active"
+          :class="{ active: currentTab === tab.key }"
+          @click="switchTab(tab.key)"
+        >
+          <text class="tab-text">{{ tab.name }}</text>
+          <view class="tab-indicator" v-if="currentTab === tab.key"></view>
+        </view>
+      </view>
+
+      <!-- 订单列表 -->
+      <view class="orders-wrap">
       <view
         v-for="order in filteredOrders"
         :key="order.id"
@@ -91,6 +107,7 @@
         <button class="empty-btn btn-active" @click="goToExplore">前往发现大厅寻找大神</button>
       </view>
     </view>
+  </view>
 
     <!-- 评价大神服务体验交互弹窗 -->
     <view class="review-modal-mask" v-if="reviewModalVisible" @click.self="closeReviewModal">
@@ -350,10 +367,23 @@ let countdownTimer = null;
 
 const navStyle = computed(() => {
   return {
-    '--safe-header-gap': `${navInfo.value.totalHeaderHeight}px`
+    '--safe-header-gap': `${navInfo.value.safeHeaderGap}px`,
+    '--capsule-right-space': `${navInfo.value.capsuleRightSpace}px`,
+    '--capsule-height': `${navInfo.value.capsuleHeight}px`
   };
 });
 
+const handleBack = () => {
+  const pages = getCurrentPages();
+  if (pages && pages.length > 1) {
+    uni.navigateBack();
+  } else {
+    uni.switchTab({
+      url: '/pages/index/index'
+    });
+  }
+};
+
 const onThemeChanged = (key) => {
   currentThemeKey.value = key;
   applyThemeToNativeUI(key);
@@ -806,7 +836,70 @@ const submitReview = async () => {
 .order-list-container {
   min-height: 100vh;
   background-color: #0A0F1D;
-  padding: var(--safe-header-gap, 36rpx) 32rpx calc(160rpx + env(safe-area-inset-bottom));
+  display: flex;
+  flex-direction: column;
+  box-sizing: border-box;
+}
+
+/* 顶部沉浸式自定义顶栏 */
+.custom-nav-bar {
+  position: sticky;
+  top: 0;
+  z-index: 100;
+  padding-top: var(--safe-header-gap, 44px);
+  background: rgba(10, 15, 29, 0.92);
+  backdrop-filter: blur(20px);
+  -webkit-backdrop-filter: blur(20px);
+  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
+
+  .nav-content {
+    position: relative;
+    height: var(--capsule-height, 44px);
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0 24rpx;
+
+    .btn-nav-back {
+      width: 64rpx;
+      height: 64rpx;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      border-radius: 50%;
+      background: rgba(255, 255, 255, 0.08);
+      border: 1px solid rgba(255, 255, 255, 0.12);
+
+      .nav-back-icon {
+        width: 36rpx;
+        height: 36rpx;
+      }
+    }
+
+    .nav-title-wrap {
+      position: absolute;
+      left: 50%;
+      transform: translateX(-50%);
+      text-align: center;
+
+      .nav-title {
+        font-size: 32rpx;
+        font-weight: 700;
+        color: #F8FAFC;
+        letter-spacing: 1rpx;
+      }
+    }
+
+    .nav-capsule-placeholder {
+      width: var(--capsule-right-space, 96px);
+      flex-shrink: 0;
+    }
+  }
+}
+
+.order-content-body {
+  padding: 24rpx 32rpx calc(160rpx + env(safe-area-inset-bottom));
+  flex: 1;
 }
 
 .tab-header {
@@ -1133,6 +1226,22 @@ const submitReview = async () => {
 .order-list-container.theme-warm {
   background-color: #FDFBF7;
 
+  .custom-nav-bar {
+    background: rgba(255, 253, 249, 0.95);
+    border-bottom: 1px solid rgba(234, 88, 12, 0.1);
+
+    .nav-content {
+      .btn-nav-back {
+        background: #FFF7ED;
+        border-color: #FED7AA;
+      }
+
+      .nav-title-wrap .nav-title {
+        color: #1C1917;
+      }
+    }
+  }
+
   .tab-header {
     background-color: #FFFFFF;
     border-color: #F0ECE4;
diff --git a/server/tests/content-security.spec.ts b/server/tests/content-security.spec.ts
index db25543..a609630 100644
--- a/server/tests/content-security.spec.ts
+++ b/server/tests/content-security.spec.ts
@@ -836,6 +836,42 @@ describe('ContentSecurityService & Compliance Architecture (TDD 微信内容安
       expect(emojiRegex.test(fs.readFileSync(serverIndexPath, 'utf-8'))).toBe(false);
     });
   });
+
+  describe('19. 订单列表页面沉浸式导航栏与返回按钮规范验证 (pages/order/list.vue)', () => {
+    const orderListPath = path.join(rootDir, 'pwuniapp', 'pages', 'order', 'list.vue');
+
+    it('订单列表页面必须包含 custom-nav-bar 沉浸式导航栏与返回上一级按钮', () => {
+      expect(fs.existsSync(orderListPath)).toBe(true);
+      const content = fs.readFileSync(orderListPath, 'utf-8');
+      expect(content).toContain('custom-nav-bar');
+      expect(content).toContain('btn-nav-back');
+      expect(content).toContain('handleBack');
+      expect(content).toContain('nav-title');
+      expect(content).toContain('我的订单');
+      expect(content).toContain('nav-capsule-placeholder');
+    });
+
+    it('必须包含智能返回上一级与首页兜底路由控制逻辑', () => {
+      const content = fs.readFileSync(orderListPath, 'utf-8');
+      expect(content).toContain('getCurrentPages()');
+      expect(content).toContain('uni.navigateBack()');
+      expect(content).toContain('uni.switchTab');
+    });
+
+    it('必须适配微信小程序胶囊安全避让变量与冷暖双主题', () => {
+      const content = fs.readFileSync(orderListPath, 'utf-8');
+      expect(content).toContain('--safe-header-gap');
+      expect(content).toContain('--capsule-right-space');
+      expect(content).toContain('--capsule-height');
+      expect(content).toContain('.order-list-container.theme-warm');
+    });
+
+    it('订单列表页面源码与测试严禁包含任何系统 Emoji 违规字符', () => {
+      const content = fs.readFileSync(orderListPath, 'utf-8');
+      const emojiRegex = /(?:\p{Extended_Pictographic}|\p{Emoji_Presentation}|[\u2600-\u27BF])/u;
+      expect(emojiRegex.test(content)).toBe(false);
+    });
+  });
 });