style(pages): update navigation bar titles to reflect approval system

- Change home page navigation title from "供应链商务" to "供应链审批系统"
- Update global navigation title from "供应链商务" to "供应链审批系统"
- Align branding to better represent the approval workflow functionality

pages.json

@@ -9,7 +9,7 @@
         {
             "path": "pages/home/index",
             "style": {
-                "navigationBarTitleText": "供应链商务",
+                "navigationBarTitleText": "供应链审批系统",
                 "backgroundTextStyle": "dark"
             }
         },
@@ -60,7 +60,7 @@
     },
     "globalStyle": {
         "navigationBarTextStyle": "black",
-        "navigationBarTitleText": "供应链商务",
+        "navigationBarTitleText": "供应链审批系统",
         "navigationBarBackgroundColor": "#FFFFFF",
         "backgroundColor": "#FFFFFF",
         "rpxCalcMaxDeviceWidth": 600,