feat(flutter): 应用浅色暖橙视觉主题

lib/core/widgets/glass_panel.dart

@@ -7,7 +7,7 @@ import 'package:flutter/material.dart';
 import '../theme/app_colors.dart';
 import '../theme/app_dimens.dart';
 
-/// Dark glass surface used by the home info card and floating controls.
+/// 首页信息卡与浮层控件使用的浅色玻璃面板。
 class GlassPanel extends StatelessWidget {
   const GlassPanel({
     super.key,
@@ -38,7 +38,7 @@ class GlassPanel extends StatelessWidget {
             const LinearGradient(
               begin: Alignment.topLeft,
               end: Alignment.bottomRight,
-              colors: [Color(0x24FFFFFF), Color(0x0DFFFFFF)],
+              colors: [Color(0xE6FFFFFF), Color(0xB3FFFDFB)],
             ),
       ),
       child: Padding(padding: padding ?? EdgeInsets.zero, child: child),