Clean mobile app UI screenshot, portrait 3:4 phone mockup on a soft light-grey background. A shopping app payment success screen: top status bar showing 9:41, a large green checkmark in a circle, headline 'Payment Successful', subline 'Final Payment Completed · 11.11', an order summary card listing 'Final payment ¥1,340', 'Shipping Free', 'Total paid ¥1,340', a gold cashback card reading '¥66 cashback credited', and a deep red primary button reading 'View My Orders'. Deep red and gold accents on white cards, generous whitespace, rounded corners, consistent spacing, legible sans-serif type, short labels only, no real brand logos, no watermark. UI Screenshot System style, believable product screen.