style: 优化为黑金/白金配色方案

- 暗色主题: 黑金传奇 (深黑 + 真金)
- 亮色主题: 白金殿堂 (纯白 + 金色)
- 统一品牌色: 金色强调
- 提升专业金融感

flutter_monisuo/lib/core/theme/app_color_scheme.dart

@@ -1,36 +1,42 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 
-/// Material Design 3 颜色系统 - "The Kinetic Vault" & "The Ethereal Terminal"
+/// Material Design 3 颜色系统 - "黑金传奇" & "白金殿堂"
 ///
-/// 深色主题: "The Kinetic Vault" - 赛博朋克风格
-/// 浅色主题: "The Ethereal Terminal" - 高端金融科技风格
+/// 深色主题: "黑金传奇" (Black & Gold)
+///   深邃黑底 + 专业蓝主色 + 真金强调 → 赛博朋克科技感 × 金融奢华感
+///   背景 #0A0E14 | 主色 #1E3A8A | 强调 #D4AF37
+///
+/// 浅色主题: "白金殿堂" (White & Gold)
+///   纯净白底 + 专业蓝主色 + 亮金强调 → 高端金融科技 × 尊贵品质感
+///   背景 #FAFAFA | 主色 #1E40AF | 强调 #FFD700
 ///
 /// 设计原则：
 /// - Material Design 3 配色方案
 /// - Glass Panel 毛玻璃效果
-/// - Neon Glow 霓虹光效
+/// - Gold Glow 金色光效（原 Neon Glow）
 /// - 渐变 CTA: primary → primary_container (135度)
 class AppColorScheme {
   AppColorScheme._();
 
   // ============================================
-  // 深色主题 - "The Kinetic Vault" (Material Design 3)
+  // 深色主题 - "黑金传奇" (Material Design 3)
+  // 背景 #0A0E14 | 主色 #1E3A8A | 强调 #D4AF37
   // ============================================
 
-  /// 背景基色 - 最深
-  static const Color darkBackground = Color(0xFF0b0e14);
+  /// 背景基色 - 深邃黑
+  static const Color darkBackground = Color(0xFF0A0E14);
 
   /// Surface 层次 (从低到高) - Material Design 3 规范
-  static const Color darkSurfaceDim = Color(0xFF0b0e14);
+  static const Color darkSurfaceDim = Color(0xFF0A0E14);
   static const Color darkSurfaceLowest = Color(0xFF000000);
-  static const Color darkSurfaceLow = Color(0xFF10131a);
-  static const Color darkSurface = Color(0xFF0b0e14);
-  static const Color darkSurfaceContainer = Color(0xFF161a21);
-  static const Color darkSurfaceContainerHigh = Color(0xFF1c2028);
-  static const Color darkSurfaceContainerHighest = Color(0xFF22262f);
-  static const Color darkSurfaceBright = Color(0xFF282c36);
-  static const Color darkSurfaceVariant = Color(0xFF22262f);
+  static const Color darkSurfaceLow = Color(0xFF0F1219);
+  static const Color darkSurface = Color(0xFF0A0E14);
+  static const Color darkSurfaceContainer = Color(0xFF151921);
+  static const Color darkSurfaceContainerHigh = Color(0xFF1B1F28);
+  static const Color darkSurfaceContainerHighest = Color(0xFF21252F);
+  static const Color darkSurfaceBright = Color(0xFF272B35);
+  static const Color darkSurfaceVariant = Color(0xFF21252F);
 
   /// 兼容旧名称
   static const Color darkSurfaceContainerLowest = darkSurfaceLowest;
@@ -42,27 +48,27 @@ class AppColorScheme {
   static const Color darkOutline = Color(0xFF73757d);
   static const Color darkOutlineVariant = Color(0xFF45484f);
 
-  /// Primary - Neon Cyan (青色 - 主要交互)
-  static const Color darkPrimary = Color(0xFF72dcff);
-  static const Color darkPrimaryDim = Color(0xFF00c3ed);
-  static const Color darkPrimaryContainer = Color(0xFF00d2ff);
-  static const Color darkPrimaryFixed = Color(0xFF00d2ff);
-  static const Color darkPrimaryFixedDim = Color(0xFF00c3ed);
-  static const Color darkOnPrimary = Color(0xFF004c5e);
-  static const Color darkOnPrimaryContainer = Color(0xFF004253);
-  static const Color darkOnPrimaryFixed = Color(0xFF002c38);
-  static const Color darkOnPrimaryFixedVariant = Color(0xFF004c5e);
+  /// Primary - 专业蓝 #1E3A8A (主要交互)
+  static const Color darkPrimary = Color(0xFF1E3A8A);
+  static const Color darkPrimaryDim = Color(0xFF1E40AF);
+  static const Color darkPrimaryContainer = Color(0xFF3B82F6);
+  static const Color darkPrimaryFixed = Color(0xFF3B82F6);
+  static const Color darkPrimaryFixedDim = Color(0xFF2563EB);
+  static const Color darkOnPrimary = Color(0xFFFFFFFF);
+  static const Color darkOnPrimaryContainer = Color(0xFFBFDBFE);
+  static const Color darkOnPrimaryFixed = Color(0xFFFFFFFF);
+  static const Color darkOnPrimaryFixedVariant = Color(0xFFE0E7FF);
 
-  /// Secondary - Electric Purple (紫色 - 次要强调)
-  static const Color darkSecondary = Color(0xFFdd8bfb);
-  static const Color darkSecondaryDim = Color(0xFFce7eec);
-  static const Color darkSecondaryContainer = Color(0xFF6e208c);
-  static const Color darkSecondaryFixed = Color(0xFFf2c1ff);
-  static const Color darkSecondaryFixedDim = Color(0xFFebadff);
-  static const Color darkOnSecondary = Color(0xFF4c0068);
-  static const Color darkOnSecondaryContainer = Color(0xFFf1bfff);
-  static const Color darkOnSecondaryFixed = Color(0xFF580078);
-  static const Color darkOnSecondaryFixedVariant = Color(0xFF792c97);
+  /// Secondary - 真金 #D4AF37 (黑金强调色)
+  static const Color darkSecondary = Color(0xFFD4AF37);
+  static const Color darkSecondaryDim = Color(0xFFB8960E);
+  static const Color darkSecondaryContainer = Color(0xFFE8C84A);
+  static const Color darkSecondaryFixed = Color(0xFFE8C84A);
+  static const Color darkSecondaryFixedDim = Color(0xFFD4AF37);
+  static const Color darkOnSecondary = Color(0xFF1F2937);
+  static const Color darkOnSecondaryContainer = Color(0xFF1F2937);
+  static const Color darkOnSecondaryFixed = Color(0xFF1F2937);
+  static const Color darkOnSecondaryFixedVariant = Color(0xFF374151);
 
   /// Tertiary - Neon Green (绿色 - 仅用于成功/盈利/买入)
   static const Color darkTertiary = Color(0xFFafffd1);
@@ -89,36 +95,37 @@ class AppColorScheme {
   static const Color darkOnBackground = Color(0xFFecedf6);
   static const Color darkInverseSurface = Color(0xFFf9f9ff);
   static const Color darkInverseOnSurface = Color(0xFF52555c);
-  static const Color darkInversePrimary = Color(0xFF00687f);
-  static const Color darkSurfaceTint = Color(0xFF72dcff);
+  static const Color darkInversePrimary = Color(0xFF1E40AF);
+  static const Color darkSurfaceTint = Color(0xFFD4AF37);
 
   // ============================================
-  // 浅色主题 - "The Ethereal Terminal"
+  // 浅色主题 - "白金殿堂"
+  // 背景 #FAFAFA | 主色 #1E40AF | 强调 #FFD700
   // ============================================
 
-  /// 背景基色 - 珍珠白
-  static const Color lightBackground = Color(0xFFf5f7f9);
+  /// 背景基色 - 纯净白
+  static const Color lightBackground = Color(0xFFFAFAFA);
 
   /// Surface 层次 (从低到高)
   static const Color lightSurfaceLowest = Color(0xFFffffff);
-  static const Color lightSurfaceLow = Color(0xFFeef1f3);
-  static const Color lightSurface = Color(0xFFf5f7f9);
-  static const Color lightSurfaceHigh = Color(0xFFe8ebef);
-  static const Color lightSurfaceHighest = Color(0xFFd9dde0);
+  static const Color lightSurfaceLow = Color(0xFFF5F5F5);
+  static const Color lightSurface = Color(0xFFFAFAFA);
+  static const Color lightSurfaceHigh = Color(0xFFF0F0F0);
+  static const Color lightSurfaceHighest = Color(0xFFE8E8E8);
 
   /// Ghost Border
-  static const Color lightOutlineVariant = Color(0xFFc4c8cc);
+  static const Color lightOutlineVariant = Color(0xFFD0D0D0);
 
-  /// Primary - Plasma (主要交互)
-  static const Color lightPrimary = Color(0xFF0050d4);
-  static const Color lightPrimaryContainer = Color(0xFF7b9cff);
+  /// Primary - 专业蓝 #1E40AF (主要交互)
+  static const Color lightPrimary = Color(0xFF1E40AF);
+  static const Color lightPrimaryContainer = Color(0xFF3B82F6);
 
-  /// Secondary - Pulse indicator
-  static const Color lightSecondary = Color(0xFF8319da);
-  static const Color lightSecondaryContainer = Color(0xFFe8d4fa);
+  /// Secondary - 亮金 #FFD700 (白金强调色)
+  static const Color lightSecondary = Color(0xFFD4AF37);
+  static const Color lightSecondaryContainer = Color(0xFFFFE44D);
 
   /// Tertiary - Success (买入/盈利)
-  static const Color lightTertiary = Color(0xFF00a878);
+  static const Color lightTertiary = Color(0xFF00875A);
   static const Color lightTertiaryContainer = Color(0xFFd4f5e9);
 
   /// 文本色
@@ -130,23 +137,23 @@ class AppColorScheme {
   // Glass Panel 毛玻璃效果颜色
   // ============================================
 
-  /// Glass Panel 背景色 - rgba(34, 38, 47, 0.4)
-  static const Color glassPanelBackground = Color(0x6622262f);
+  /// Glass Panel 背景色 - rgba(33, 37, 47, 0.4)
+  static const Color glassPanelBackground = Color(0x6621252F);
 
   /// Glass Panel 边框色 - rgba(69, 72, 79, 0.15)
   static const Color glassPanelBorder = Color(0x2645484f);
 
   // ============================================
-  // Neon Glow 霓虹光效颜色
+  // Gold Glow 金色光效颜色（原 Neon Glow）
   // ============================================
 
-  /// Primary Glow - rgba(114, 220, 255, 0.15)
-  static const Color neonGlowPrimary = Color(0x2672dcff);
+  /// Primary Glow - 金色光晕 rgba(212, 175, 55, 0.15)
+  static const Color neonGlowPrimary = Color(0x26D4AF37);
 
-  /// Secondary Glow - rgba(221, 139, 251, 0.15)
-  static const Color neonGlowSecondary = Color(0x26dd8bfb);
+  /// Secondary Glow - 蓝色光晕 rgba(30, 58, 138, 0.15)
+  static const Color neonGlowSecondary = Color(0x261E3A8A);
 
-  /// Tertiary Glow - rgba(175, 255, 209, 0.2)
+  /// Tertiary Glow - 绿色光晕 rgba(175, 255, 209, 0.2)
   static const Color neonGlowTertiary = Color(0x33afffd1);
 
   // ============================================
@@ -217,7 +224,7 @@ class AppColorScheme {
     end: Alignment(0.7, 0.7),
   );
 
-  /// 浅色 CTA 渐变 (Plasma)
+  /// 浅色 CTA 渐变
   static const LinearGradient lightCtaGradient = LinearGradient(
     colors: [lightPrimary, lightPrimaryContainer],
     begin: Alignment(-0.7, -0.7),
@@ -241,7 +248,7 @@ class AppColorScheme {
     end: Alignment(0.7, 0.7),
   );
 
-  /// 资产卡片渐变
+  /// 资产卡片渐变 - 蓝→金
   static const LinearGradient assetCardGradient = LinearGradient(
     colors: [darkPrimary, darkSecondary],
     begin: Alignment.topLeft,
@@ -265,14 +272,14 @@ class AppColorScheme {
     secondaryForeground: darkOnSurface,
     muted: darkSurfaceContainerHigh,
     mutedForeground: darkOnSurfaceVariant,
-    accent: darkPrimary.withValues(alpha: 0.15),
-    accentForeground: darkPrimary,
+    accent: darkSecondary.withValues(alpha: 0.15),
+    accentForeground: darkSecondary,
     destructive: error,
     destructiveForeground: darkOnSurface,
     border: darkOutlineVariant.withValues(alpha: 0.15),
     input: darkOutlineVariant.withValues(alpha: 0.15),
-    ring: darkPrimary,
-    selection: darkPrimary.withValues(alpha: 0.3),
+    ring: darkSecondary,
+    selection: darkSecondary.withValues(alpha: 0.3),
   );
 
   // ============================================
@@ -292,14 +299,14 @@ class AppColorScheme {
     secondaryForeground: lightOnSurface,
     muted: lightSurfaceHigh,
     mutedForeground: lightOnSurfaceVariant,
-    accent: lightPrimary.withValues(alpha: 0.1),
-    accentForeground: lightPrimary,
+    accent: lightSecondary.withValues(alpha: 0.1),
+    accentForeground: lightSecondary,
     destructive: error,
     destructiveForeground: const Color(0xFFFFFFFF),
     border: lightOutlineVariant.withValues(alpha: 0.5),
     input: lightOutlineVariant.withValues(alpha: 0.3),
-    ring: lightPrimary,
-    selection: lightPrimary.withValues(alpha: 0.2),
+    ring: lightSecondary,
+    selection: lightSecondary.withValues(alpha: 0.2),
   );
 
   // ============================================
@@ -354,11 +361,11 @@ class AppColorScheme {
 
   /// 浅色主题 Surface 色 (扩展)
   static const Color lightSurfaceBright = Color(0xFFffffff);
-  static const Color lightSurfaceDim = Color(0xFFe8ebef);
-  static const Color lightSurfaceVariant = Color(0xFFe8ebef);
-  static const Color lightSurfaceContainer = Color(0xFFf0f2f4);
-  static const Color lightSurfaceContainerHigh = Color(0xFFe8ebef);
-  static const Color lightSurfaceContainerHighest = Color(0xFFd9dde0);
+  static const Color lightSurfaceDim = Color(0xFFF0F0F0);
+  static const Color lightSurfaceVariant = Color(0xFFF0F0F0);
+  static const Color lightSurfaceContainer = Color(0xFFF5F5F5);
+  static const Color lightSurfaceContainerHigh = Color(0xFFF0F0F0);
+  static const Color lightSurfaceContainerHighest = Color(0xFFE8E8E8);
 
   static ColorScheme get lightMaterial => ColorScheme.light(
     primary: lightPrimary,
@@ -389,7 +396,7 @@ class AppColorScheme {
     onSurfaceVariant: lightOnSurfaceVariant,
     outline: lightOutline,
     outlineVariant: lightOutlineVariant,
-    inverseSurface: const Color(0xFF1c2028),
+    inverseSurface: const Color(0xFF1B1F28),
     onInverseSurface: const Color(0xFFecedf6),
     inversePrimary: darkPrimary,
     surfaceTint: lightPrimary,

flutter_monisuo/lib/core/theme/app_theme.dart

@@ -26,7 +26,8 @@ class AppTheme {
         elevation: 0,
         scrolledUnderElevation: 0,
         centerTitle: true,
-        titleTextStyle: GoogleFonts.spaceGrotesk(
+        // 【优化】使用 Inter 字体替代 Space Grotesk，提升专业金融感
+        titleTextStyle: GoogleFonts.inter(
           fontSize: 18,
           fontWeight: FontWeight.w600,
           color: AppColorScheme.darkOnSurface,
@@ -80,7 +81,8 @@ class AppTheme {
             borderRadius: BorderRadius.circular(AppRadius.xxl),
           ),
           elevation: 0,
-          textStyle: GoogleFonts.manrope(
+          // 【优化】使用 Inter 字体替代 Manrope，提升专业金融感
+          textStyle: GoogleFonts.inter(
             fontSize: 16,
             fontWeight: FontWeight.w600,
           ),
@@ -129,7 +131,8 @@ class AppTheme {
         elevation: 0,
         scrolledUnderElevation: 0,
         centerTitle: true,
-        titleTextStyle: GoogleFonts.spaceGrotesk(
+        // 【优化】使用 Inter 字体替代 Space Grotesk，提升专业金融感
+        titleTextStyle: GoogleFonts.inter(
           fontSize: 18,
           fontWeight: FontWeight.w600,
           color: AppColorScheme.lightOnSurface,
@@ -185,7 +188,8 @@ class AppTheme {
             borderRadius: BorderRadius.circular(AppRadius.xxl),
           ),
           elevation: 0,
-          textStyle: GoogleFonts.manrope(
+          // 【优化】使用 Inter 字体替代 Manrope，提升专业金融感
+          textStyle: GoogleFonts.inter(
             fontSize: 16,
             fontWeight: FontWeight.w600,
           ),
@@ -218,17 +222,16 @@ class AppTheme {
 
 /// "The Kinetic Vault" & "The Ethereal Terminal" 文字样式系统
 ///
-/// Display/Headlines: Space Grotesk (编辑风格)
-/// Body/Labels: Manrope (实用风格)
+/// 【优化】统一使用 Inter 字体（专业金融风格，币安同款字体）
 class AppTextStyles {
   AppTextStyles._();
 
   // ============================================
-  // Display - 编辑风格 (Space Grotesk)
+  // Display - 大标题
   // ============================================
 
   /// D1 - 大标题 (48px) - Hero moments
-  static TextStyle displayLarge(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle displayLarge(BuildContext context) => GoogleFonts.inter(
     fontSize: 48,
     fontWeight: FontWeight.w700,
     color: Theme.of(context).colorScheme.onSurface,
@@ -237,7 +240,7 @@ class AppTextStyles {
   );
 
   /// D2 - 中标题 (36px)
-  static TextStyle displayMedium(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle displayMedium(BuildContext context) => GoogleFonts.inter(
     fontSize: 36,
     fontWeight: FontWeight.w600,
     color: Theme.of(context).colorScheme.onSurface,
@@ -246,7 +249,7 @@ class AppTextStyles {
   );
 
   /// D3 - 小标题 (28px)
-  static TextStyle displaySmall(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle displaySmall(BuildContext context) => GoogleFonts.inter(
     fontSize: 28,
     fontWeight: FontWeight.w600,
     color: Theme.of(context).colorScheme.onSurface,
@@ -254,24 +257,24 @@ class AppTextStyles {
   );
 
   // ============================================
-  // Headline - 编辑风格 (Space Grotesk)
+  // Headline - 标题
   // ============================================
 
-  static TextStyle headlineLarge(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle headlineLarge(BuildContext context) => GoogleFonts.inter(
     fontSize: 24,
     fontWeight: FontWeight.w600,
     color: Theme.of(context).colorScheme.onSurface,
     height: 1.3,
   );
 
-  static TextStyle headlineMedium(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle headlineMedium(BuildContext context) => GoogleFonts.inter(
     fontSize: 20,
     fontWeight: FontWeight.w600,
     color: Theme.of(context).colorScheme.onSurface,
     height: 1.35,
   );
 
-  static TextStyle headlineSmall(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle headlineSmall(BuildContext context) => GoogleFonts.inter(
     fontSize: 18,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurface,
@@ -279,24 +282,24 @@ class AppTextStyles {
   );
 
   // ============================================
-  // Body - 实用风格 (Manrope)
+  // Body - 正文
   // ============================================
 
-  static TextStyle bodyLarge(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle bodyLarge(BuildContext context) => GoogleFonts.inter(
     fontSize: 16,
     fontWeight: FontWeight.w400,
     color: Theme.of(context).colorScheme.onSurface,
     height: 1.5,
   );
 
-  static TextStyle bodyMedium(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle bodyMedium(BuildContext context) => GoogleFonts.inter(
     fontSize: 14,
     fontWeight: FontWeight.w400,
     color: Theme.of(context).colorScheme.onSurface,
     height: 1.5,
   );
 
-  static TextStyle bodySmall(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle bodySmall(BuildContext context) => GoogleFonts.inter(
     fontSize: 12,
     fontWeight: FontWeight.w400,
     color: Theme.of(context).colorScheme.onSurfaceVariant,
@@ -304,24 +307,24 @@ class AppTextStyles {
   );
 
   // ============================================
-  // Label - 实用风格 (Manrope)
+  // Label - 标签
   // ============================================
 
-  static TextStyle labelLarge(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle labelLarge(BuildContext context) => GoogleFonts.inter(
     fontSize: 14,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurface,
     height: 1.4,
   );
 
-  static TextStyle labelMedium(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle labelMedium(BuildContext context) => GoogleFonts.inter(
     fontSize: 12,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurfaceVariant,
     height: 1.4,
   );
 
-  static TextStyle labelSmall(BuildContext context) => GoogleFonts.manrope(
+  static TextStyle labelSmall(BuildContext context) => GoogleFonts.inter(
     fontSize: 11,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurfaceVariant,
@@ -329,10 +332,10 @@ class AppTextStyles {
   );
 
   // ============================================
-  // 数字/金额 - Space Grotesk (等宽特性)
+  // 数字/金额 - Inter (等宽特性)
   // ============================================
 
-  static TextStyle numberLarge(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle numberLarge(BuildContext context) => GoogleFonts.inter(
     fontSize: 24,
     fontWeight: FontWeight.w600,
     color: Theme.of(context).colorScheme.onSurface,
@@ -340,7 +343,7 @@ class AppTextStyles {
     fontFeatures: const [FontFeature.tabularFigures()],
   );
 
-  static TextStyle numberMedium(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle numberMedium(BuildContext context) => GoogleFonts.inter(
     fontSize: 18,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurface,
@@ -348,7 +351,7 @@ class AppTextStyles {
     fontFeatures: const [FontFeature.tabularFigures()],
   );
 
-  static TextStyle numberSmall(BuildContext context) => GoogleFonts.spaceGrotesk(
+  static TextStyle numberSmall(BuildContext context) => GoogleFonts.inter(
     fontSize: 14,
     fontWeight: FontWeight.w500,
     color: Theme.of(context).colorScheme.onSurface,

flutter_monisuo/lib/ui/components/neon_glow.dart

@@ -259,31 +259,8 @@ class _NeonButtonState extends State<NeonButton>
   }
 
   LinearGradient? get _gradient {
-    if (widget.type == NeonButtonType.outline) return null;
-
-    final isDark = Theme.of(context).brightness == Brightness.dark;
-    final colorScheme = Theme.of(context).colorScheme;
-
-    switch (widget.type) {
-      case NeonButtonType.primary:
-        return LinearGradient(
-          colors: [colorScheme.primary, colorScheme.primaryContainer],
-          begin: const Alignment(-0.7, -0.7),
-          end: const Alignment(0.7, 0.7),
-        );
-      case NeonButtonType.secondary:
-        return LinearGradient(
-          colors: [colorScheme.secondary, colorScheme.secondaryContainer ?? colorScheme.secondary],
-          begin: const Alignment(-0.7, -0.7),
-          end: const Alignment(0.7, 0.7),
-        );
-      case NeonButtonType.tertiary:
-        return AppColorScheme.getBuyGradient(isDark);
-      case NeonButtonType.error:
-        return AppColorScheme.sellGradient;
-      default:
-        return null;
-    }
+    // 【优化】移除所有渐变效果，改为纯色背景，提升专业金融感
+    return null;
   }
 
   @override

flutter_monisuo/lib/ui/pages/main/main_page.dart

@@ -129,24 +129,19 @@ class _BottomNavBar extends StatelessWidget {
           ),
         ],
       ),
-      child: ClipRRect(
-        borderRadius: BorderRadius.vertical(top: Radius.circular(AppRadius.xxl + AppSpacing.sm)),
-        child: BackdropFilter(
-          filter: ImageFilter.blur(sigmaX: AppSpacing.md, sigmaY: AppSpacing.md),
-          child: SafeArea(
-            child: Padding(
-              padding: EdgeInsets.fromLTRB(AppSpacing.md, AppSpacing.sm, AppSpacing.md, AppSpacing.lg),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.spaceAround,
-                children: items.asMap().entries.map((entry) {
-                  return _NavItemWidget(
-                    item: entry.value,
-                    isSelected: entry.key == currentIndex,
-                    onTap: () => onTap(entry.key),
-                  );
-                }).toList(),
-              ),
-            ),
+      // 【优化】移除毛玻璃效果，保持简洁的半透明背景
+      child: SafeArea(
+        child: Padding(
+          padding: EdgeInsets.fromLTRB(AppSpacing.md, AppSpacing.sm, AppSpacing.md, AppSpacing.lg),
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceAround,
+            children: items.asMap().entries.map((entry) {
+              return _NavItemWidget(
+                item: entry.value,
+                isSelected: entry.key == currentIndex,
+                onTap: () => onTap(entry.key),
+              );
+            }).toList(),
           ),
         ),
       ),