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On this premium upgrade screen, users can drag an orange slider thumb to customize their 'Activity Effect'. As the slider is scrubbed horizontally, the workout carousel below dynamically slides and snaps to show different workout types (such as Badminton, Strength Training, Indoor Run, and HIIT) corresponding to the selected intensity value. The movement of the cards is perfectly synchronized with the slider drag, creating a highly responsive and tactile preview of the premium features.
