Subject: Cartoon-style male runner, wearing black short-sleeved athletic shirt and athletic shorts with white stripes, wearing sneakers, smart watch on the wrist, presenting a dynamic forward running posture. Scene: Shanghai Bund Riverside Trail, background is Lujiazui landmark buildings such as Oriental Pearl Tower and Shanghai Tower, Huangpu River surface is clearly visible, sky is warm and clear in early morning/evening. Style: 3D style, round and delicate character design, combination of realistic scene and cartoon, overall picture is clean and bright, full of vitality. Lighting: Soft warm natural light in early morning/evening, light shines from the front side, forming soft highlights and shadows on the character and buildings, overall lighting is warm and bright, creating a comfortable urban sports atmosphere. Composition: Diagonal dynamic close-up composition, runner is located on the right side of the picture, occupying the visual focus, background city skyline serves as a layer, the picture is full of dynamism and tension, the main subject is prominent. Use case: Suitable for urban sports/fitness themed illustrations, running APP UI elements, Shanghai city promotion materials, healthy life posters/PPT backgrounds.