feat(ui): refine profile workflows and visual system

app.json

@@ -7,11 +7,11 @@
     "pages/defaults/index"
   ],
   "window": {
-    "navigationBarBackgroundColor": "#F4F8FE",
+    "navigationBarBackgroundColor": "#F4F7FB",
     "navigationBarTextStyle": "black",
     "navigationBarTitleText": "教学反馈助手",
-    "backgroundColor": "#F4F8FE",
-    "backgroundTextStyle": "light"
+    "backgroundColor": "#F4F7FB",
+    "backgroundTextStyle": "dark"
   },
   "permission": {
     "scope.record": {
@@ -20,9 +20,9 @@
   },
   "tabBar": {
     "custom": true,
-    "color": "#7B8796",
-    "selectedColor": "#2B67E8",
-    "backgroundColor": "#FFFFFF",
+    "color": "#8E8E93",
+    "selectedColor": "#007AFF",
+    "backgroundColor": "#F8FAFC",
     "borderStyle": "white",
     "list": [
       { "pagePath": "pages/feedback/index", "text": "反馈生成" },