update styles

 import 'package:flutter/material.dart';
 import 'package:one_poem/category/provider/categories_page_provider.dart';
 import 'package:one_poem/util/theme_utils.dart';
-import 'package:one_poem/widgets/load_image.dart';
 import 'package:one_poem/widgets/my_app_bar.dart';
 import 'package:provider/provider.dart';
 
 import 'category_list_page.dart';
 
-/// design/4商品/index.html
 class CategoriesPage extends StatefulWidget {
   const CategoriesPage({Key? key}) : super(key: key);
 
@@ -45,18 +43,19 @@ class _CategoriesPageState extends State<CategoriesPage>
       child: Scaffold(
         appBar: MyAppBar(
           isBack: false,
+          isTransparent: true,
           homeMenuHeader: Container(
             alignment: Alignment.center,
             margin: const EdgeInsets.symmetric(horizontal: 5.0),
             child: const Text(
               "众妙",
-              style: TextStyle(color: Colors.white),
+              style: TextStyle(color: Colors.black54),
             ),
           ),
           homeActionWidgets: IconButton(
             icon: const Icon(
               Icons.search,
-              color: Colors.white,
+              color: Colors.black54,
             ),
             onPressed: () {},
           ),

@@ -3,11 +3,7 @@ import 'package:flutter/rendering.dart';
 
 class SysSize {
   static const double avatar = 56;
-  // static const double iconBig = 40;
   static const double iconNormal = 24;
-  // static const double big = 18;
-  // static const double normal = 16;
-  // static const double small = 12;
   static const double iconBig = 40;
   static const double big = 16;
   static const double normal = 14;
@@ -36,19 +32,19 @@ class StandardTextStyle {
     fontSize: SysSize.normal,
     inherit: true,
   );
-  static const TextStyle normalWithOpacity = const TextStyle(
-    color: const Color.fromRGBO(0xff, 0xff, 0xff, .66),
+  static const TextStyle normalWithOpacity = TextStyle(
+    color: Color.fromRGBO(0xff, 0xff, 0xff, .66),
     fontWeight: FontWeight.normal,
     fontSize: SysSize.normal,
     inherit: true,
   );
-  static const TextStyle small = const TextStyle(
+  static const TextStyle small = TextStyle(
     fontWeight: FontWeight.normal,
     fontSize: SysSize.small,
     inherit: true,
   );
-  static const TextStyle smallWithOpacity = const TextStyle(
-    color: const Color.fromRGBO(0xff, 0xff, 0xff, .66),
+  static const TextStyle smallWithOpacity = TextStyle(
+    color: Color.fromRGBO(0xff, 0xff, 0xff, .66),
     fontWeight: FontWeight.normal,
     fontSize: SysSize.small,
     inherit: true,
@@ -57,20 +53,20 @@ class StandardTextStyle {
 
 class ColorPlate {
   // 配色
-  static const Color orange = const Color(0xffFFC459);
-  static const Color yellow = const Color(0xffF1E300);
-  static const Color green = const Color(0xff7ED321);
-  static const Color red = const Color(0xffEB3838);
-  static const Color darkGray = const Color(0xff4A4A4A);
-  static const Color gray = const Color(0xff9b9b9b);
-  static const Color lightGray = const Color(0xfff5f5f4);
-  static const Color black = const Color(0xff000000);
-  static const Color white = const Color(0xffffffff);
-  static const Color clear = const Color(0);
+  static const Color orange = Color(0xffFFC459);
+  static const Color yellow = Color(0xffF1E300);
+  static const Color green = Color(0xff7ED321);
+  static const Color red = Color(0xffEB3838);
+  static const Color darkGray = Color(0xff4A4A4A);
+  static const Color gray = Color(0xff9b9b9b);
+  static const Color lightGray = Color(0xfff5f5f4);
+  static const Color black = Color(0xff000000);
+  static const Color white = Color(0xffffffff);
+  static const Color clear = Color(0x00000000);
 
   /// 深色背景
-  static const Color back1 = const Color(0xff1D1F22);
+  static const Color back1 = Color(0xff1D1F22);
 
   /// 比深色背景略深一点
-  static const Color back2 = const Color(0xff121314);
+  static const Color back2 = Color(0xff121314);
 }

 import 'package:flutter/material.dart';
-import 'package:one_poem/res/resources.dart';
 
 class HomeActionWidgets extends StatelessWidget {
   const HomeActionWidgets({