feat(ui): 更新品牌启动页与选集交互

lib/core/theme/app_colors.dart

@@ -1,24 +1,49 @@
+// Author: fruit.com.cn
+
 import 'package:flutter/material.dart';
 
-/// Shared colors. Blue is the primary action color.
+/// Evening palette for the Indonesia launch.
+///
+/// Chili is the action color. Gold marks coins, rewards, and playback
+/// progress. Cocoa surfaces keep the app in night-market light instead of
+/// a cold utility screen.
 abstract final class AppColors {
-  /// Klein Blue primary used by actions and selected states.
-  static const blue = Color(0xFF002FA7);
+  /// Chili fill for buttons, selected chips, and brand marks.
+  static const blue = Color(0xFFC4322A);
 
-  /// Pressed/active shade for blue surfaces.
-  static const bluePressed = Color(0xFF00227A);
+  /// Pressed chili.
+  static const bluePressed = Color(0xFF8E221C);
 
-  /// High-contrast blue for text and icons on dark surfaces.
-  static const blueSoft = Color(0xFF5B7BE0);
+  /// Coral for text and icons sitting on dark surfaces.
+  static const blueSoft = Color(0xFFFF8A72);
+
+  /// Coins, rewards, and the playback progress line.
+  static const gold = Color(0xFFF6C453);
+
+  /// Text placed on [gold].
+  static const onGold = Color(0xFF2A1810);
 
   /// Text and icons placed directly on [blue].
   static const onPrimary = Color(0xFFFFFFFF);
-  static const ink = Color(0xFF0B0C10);
-  static const bar = Color(0xFF101114);
-  static const card = Color(0xFF17191F);
-  static const muted = Color(0xFFB7BDC9);
-  static const outlineDark = Color(0xFF3A3C45);
-  static const outlineVariantDark = Color(0xFF242329);
-  static const outlineLight = Color(0xFF8A8E99);
-  static const outlineVariantLight = Color(0xFFD6D9E2);
+
+  /// Page background.
+  static const ink = Color(0xFF100C0A);
+
+  /// Bottom bar.
+  static const bar = Color(0xFF1A1412);
+
+  /// Cards lifted off [ink].
+  static const card = Color(0xFF241C19);
+
+  /// Chips and nested rows.
+  static const raised = Color(0xFF322824);
+
+  /// Primary text on dark surfaces.
+  static const cream = Color(0xFFF8F1EA);
+
+  static const muted = Color(0xFFB7A59C);
+  static const outlineDark = Color(0xFF4A3C36);
+  static const outlineVariantDark = Color(0xFF2A221F);
+  static const outlineLight = Color(0xFF8C7A72);
+  static const outlineVariantLight = Color(0xFFE4D5CC);
 }

lib/core/theme/app_theme.dart

@@ -4,10 +4,10 @@ import 'package:flutter/material.dart';
 
 import 'app_colors.dart';
 
-/// App-wide light and dark themes built from the approved Klein Blue palette.
+/// Light paper and warm-cocoa themes for the Indonesia evening palette.
 abstract final class AppTheme {
-  static const _lightBackground = Color(0xFFF8F7FC);
-  static const _darkBackground = Color(0xFF101019);
+  static const _lightBackground = Color(0xFFFFF6F1);
+  static const _darkBackground = AppColors.ink;
 
   /// Light theme for system light mode.
   static ThemeData light() => _build(
@@ -40,7 +40,7 @@ abstract final class AppTheme {
             secondaryContainer: AppColors.bluePressed,
             onSecondaryContainer: AppColors.onPrimary,
             surface: _darkBackground,
-            onSurface: Colors.white,
+            onSurface: AppColors.cream,
             outline: AppColors.outlineDark,
             outlineVariant: AppColors.outlineVariantDark,
             surfaceTint: AppColors.blueSoft,