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2026-10-15 20:36:59 +08:00
commit 6bf949949c
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+import 'package:flutter/material.dart';
+
+/// UI 样式规范（《01-开发文档》5.4）：深色沉浸 + 品牌红/青 + 会员金
+class AppColors {
+  AppColors._();
+
+  static const Color background = Color(0xFF121212);
+  static const Color surface = Color(0xFF1E1E1E);
+  static const Color primary = Color(0xFFFE2C55); // 品牌红
+  static const Color secondary = Color(0xFF25F4EE); // 辅助青
+  static const Color textPrimary = Color(0xFFFFFFFF);
+  static const Color textSecondary = Color(0xFFB0B0B0);
+  static const Color textWeak = Color(0xFF6E6E6E);
+  static const Color gold = Color(0xFFF7D794);
+  static const Color goldDeep = Color(0xFFD4A017);
+
+  /// 会员金色渐变
+  static const LinearGradient goldGradient = LinearGradient(
+    colors: [gold, goldDeep],
+  );
+}
+
+/// 全局深色主题
+class AppTheme {
+  AppTheme._();
+
+  static ThemeData get dark => ThemeData(
+        useMaterial3: true,
+        brightness: Brightness.dark,
+        scaffoldBackgroundColor: AppColors.background,
+        colorScheme: const ColorScheme.dark(
+          primary: AppColors.primary,
+          secondary: AppColors.secondary,
+          surface: AppColors.surface,
+        ),
+        appBarTheme: const AppBarTheme(
+          backgroundColor: AppColors.background,
+          elevation: 0,
+          centerTitle: true,
+        ),
+        inputDecorationTheme: InputDecorationTheme(
+          filled: true,
+          fillColor: AppColors.surface,
+          border: OutlineInputBorder(
+            borderRadius: BorderRadius.circular(8),
+            borderSide: BorderSide.none,
+          ),
+          hintStyle: const TextStyle(color: AppColors.textWeak),
+        ),
+        elevatedButtonTheme: ElevatedButtonThemeData(
+          style: ElevatedButton.styleFrom(
+            backgroundColor: AppColors.primary,
+            foregroundColor: AppColors.textPrimary,
+            minimumSize: const Size.fromHeight(48),
+            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+            textStyle: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
+          ),
+        ),
+        dividerColor: AppColors.textWeak.withValues(alpha: 0.2),
+      );
+}