This poster showcases the theme of the Double Eleven shopping festival, featuring a richly detailed design. The main subject is a courier in blue clothing, holding a delivery box and rushing forward, embodying the festive spirit of '11.11.' The background reflects a cityscape, creating a colorful and vibrant illustrated poster. The scene includes many eye-catching elements, such as shopping carts, coins, gift boxes, and red envelopes floating in the air, capturing the joyful carnival atmosphere of the festival. This composition and color scheme effectively convey the excitement and happiness of the shopping event.--ar9:16 --s 50 --niji 6