better display on the UI

src/pages/trend/index.tsx

@@ -142,12 +142,12 @@ const TrendPage: React.FC<TrendProps> = ({ monthlyData = [], totalData = [], det
               className={`px-4 py-2 rounded transition-colors ${
                 selectedProviders.includes(provider)
                   ? 'text-white'
-                  : 'text-gray-900 dark:text-gray-300'
+                  : 'text-gray-600 dark:text-gray-400'
               }`}
               style={{
                 backgroundColor: selectedProviders.includes(provider) 
                   ? color 
-                  : 'rgb(229, 231, 235)',
+                  : 'transparent'
               }}
             >
               {provider}