竖版双拼世纪中期现代风格插画

Create a vertical split-style full illustration, with the vertical canvas divided 1:1 between top and bottom, overall resembling a retro and restrained design work. The upper half presents a refined version of the main subject from the uploaded original image, and the lower half presents a Mid-century Modern style reconstruction of the same subject. Upper Half: Use the uploaded original image as the sole subject reference source, automatically identify people, cats, dogs, or other common pets in the image, focusing on extracting the subject, and do not use architecture or complex environments as core content. Try to preserve the person's face shape, features, hairstyle, clothing, sense of age, temperament, and accessories, or the pet's fur color, pattern, face shape, ears, and body type. Simplify the background appropriately, the subject should be clear and complete, the composition stable, clean, and natural. Lower Half: Transform the same subject into a full illustration in the "Mid-century Modern" visual language. Core style features: 1950s to 60s simplified figures, Atomic Age geometry, warm retro colors, and paper grain. General principles: use clear geometric structures, flat color blocks, and ordered composition, controlling hierarchy and white space. The composition uses a single clear subject or a clear scene, the visual center is stable, the subject is complete and not cropped, the background is moderately simplified and retains breathing space; lines, color blocks, light and shadow, materials, and paper textures must serve the same style, without mixing in unrelated art styles. Simplify and organize the subject image using Mid-century Modern design language, emphasizing retro warm colors, Atomic Age geometric symbols, paper texture, and concise flattened human/pet shapes, giving the image a clear 50s-60s design poster and illustration temperament. The image should be natural, have a handmade feel and recognizable style characteristics, avoiding AI's common over-smoothness, meaningless accumulation of details, and random decorations. Overall Requirements: The upper and lower subjects must maintain obvious consistency; the lower half should be immediately recognizable as the Mid-century Modern version of the same subject in the upper half. Unless the theme explicitly requires it, do not generate text, logos, watermarks, borders, UIs, and no multi-image stitching.