Subject: 3D cartoon-style tennis player, holding a tennis racket to hit a tennis ball, showing a dynamic moment of hitting the ball. Scene: outdoor tennis court, background with cheering audience stands and clear blue sky. Style: 3D cartoon rendering style, exaggerated and full character shapes, rich detail texture, with strong dynamic expressiveness. Color palette: dominated by bright blue and green, paired with white sportswear and yellow tennis ball, bright and lively colors, full of vitality. Lighting: bright natural light, sunlight shining from the upper side, forming clear shadows, enhancing the three-dimensional sense of objects and the dynamic sense of movement. Composition: wide horizontal composition, using exaggerated perspective effect, tennis racket and tennis ball occupy the left side of the frame, player is located on the right, forming strong visual impact and motion tension. Usage: suitable for sports event promotions, sports-themed posters, commercial promotions and event background materials.