Retro Cheongsam Mother-Daughter Portrait

Based on two real female photos uploaded by the user, generate a 2×2 four-grid mother-daughter portrait puzzle with the theme 'Retro Cheongsam Mother-Daughter Portrait'.

Character setting:
The young woman is the daughter, aged [[daughter age]]; the older woman is the mother, aged [[mother age]]. Strictly preserve their respective real identity features, including face shape, facial features, eyes, nose, lips, skin tone, age, hairstyle, and overall temperament. The mother should retain a natural sense of maturity and slight traces of time, with very shallow nasolabial folds. The daughter should maintain young, natural, and delicate characteristics. It must be clear that it is the same pair of real mother and daughter in all four small images.

Overall style:
Retro Oriental cheongsam portrait, quiet, dignified, and gentle. The image has a slight film feel and a faint oil painting quality, with an overall realistic photographic texture, exquisite yet natural.

Clothing and hairstyle:
The mother wears traditional cheongsams in low-saturation colors such as light green-gray, lake blue, or dark green; the daughter wears improved cheongsams in coordinated colors like dark blue or navy. The two outfits belong to the same visual system. Hairstyles are treated naturally based on original hair length, overall tidy with a Chinese-style updos or retro short hair styling.

Background and texture:
The background is gray-green, blue-gray retro studio background, which can have slight canvas texture or wooden Chinese elements. Use soft studio light, the image is low-saturation, high-end, delicate, and realistic. No over-smoothing, no artificial faces, no watermarks.

Format:
Generate a 2×2 four-grid puzzle, each grid is a 3:4 vertical composition, with unified style and color tones, but natural variations in expression, angle, and interaction.

Content suggestions for the four grids:
1. Formal half-body photo looking at the camera.
2. Intimate interaction close-up.
3. Sitting and standing combined medium shot.
4. Complete double portrait showing the cheongsam styling.