Main subject: Black aluminum frame rolling suitcase, metal corner protectors, lunar surface terrain background. Scene: Vertical high-end business suitcase commercial product poster scene. Style: Minimalist business style, tech cold texture, realistic product rendering. Color tone: Dark gray gradient as main color, paired with matte black suitcase body, overall advanced, cold and stable. Lighting: Three-dimensional layered lighting, detailed depiction of aluminum frame and metal corner protectors, enhancing the matte texture of the suitcase body. Composition: Vertical layout, suitcase centered in the frame, lunar terrain setting atmosphere, prominent subject and no text in the image. Use case: Suitable for vertical e-commerce main image of suitcases, brand business promotion posters, visual design of high-end travel products.