A vintage poster of an elegant woman wearing a light green cheongsam, in a retro style, as a flat illustration, with Chinese traditional art themes, on a white background, as a full body portrait, with a cute face and cute expression, charming eyes, lipstick, and a retro hairstyle, painted in the style of Chinese watercolor, with a flat design, simple details, delicate brushstrokes, and soft colors incorporating Chinese cultural theme elements, with a high definition quality. --ar 2:3