diff --git a/frontend/genex-mobile/lib/features/auth/presentation/pages/welcome_page.dart b/frontend/genex-mobile/lib/features/auth/presentation/pages/welcome_page.dart
index 8f90670..5e7e395 100644
--- a/frontend/genex-mobile/lib/features/auth/presentation/pages/welcome_page.dart
+++ b/frontend/genex-mobile/lib/features/auth/presentation/pages/welcome_page.dart
@@ -32,18 +32,32 @@ class WelcomePage extends StatelessWidget {
               ),
               const SizedBox(height: 12),
 
-              // Brand Name — 使用 logo 同色系渐变
-              ShaderMask(
-                shaderCallback: (bounds) => const LinearGradient(
-                  colors: [Color(0xFF9B5CF6), Color(0xFFD946EF)],
-                ).createShader(bounds),
-                child: Text(
-                  'Genex',
-                  style: AppTypography.displayLarge.copyWith(
-                    color: Colors.white, // ShaderMask 需要白色底
-                    letterSpacing: 2,
+              // Brand Name — 遵循 lockup 设计: "GEN" 深色 + "EX" 渐变
+              Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(
+                    'GEN',
+                    style: AppTypography.displayLarge.copyWith(
+                      color: const Color(0xFF1A103A),
+                      fontWeight: FontWeight.w800,
+                      letterSpacing: -0.3,
+                    ),
                   ),
-                ),
+                  ShaderMask(
+                    shaderCallback: (bounds) => const LinearGradient(
+                      colors: [Color(0xFFD946EF), Color(0xFFE11D89)],
+                    ).createShader(bounds),
+                    child: Text(
+                      'EX',
+                      style: AppTypography.displayLarge.copyWith(
+                        color: Colors.white,
+                        fontWeight: FontWeight.w800,
+                        letterSpacing: -0.3,
+                      ),
+                    ),
+                  ),
+                ],
               ),
               const SizedBox(height: 6),