Retro City Pop Poster Illustration AI Image Prompt

Retro city pop style poster illustration, using 3:4 aspect ratio, overall vertical poster composition, retaining the original image's core buildings, urban environment, sky, distant view, and foreground layers, with artistic simplification and restructuring. The upper half retains large areas of high-saturation cyan-blue sky, creating a fresh and bright visual tone. The midground highlights city building clusters, streets, or waterfront spaces, with buildings summarized as geometric blocks, using bold flat colors, clean lines, and delicate shadows to express volume. The background uses low-saturation blue-gray or cyan-green to create spatial depth. The foreground may include nostalgic urban elements such as palm trees, railings, street signs, retro vehicles, and neon signs. Overall presenting 80s Japanese animation aesthetic, retro album cover feel, and city vacation atmosphere. At the top of the image, add retro small English text, thin horizontal lines, videotape or album cover style decorative logos, exaggerated three-dimensional retro title text. At the bottom, add horizontal color bands in red, orange, yellow, green, etc., and small typesetting text, forming a complete poster border and layout design. High-saturation color scheme, high contrast, vector illustration feel, grain texture, retro print texture, nostalgic urban atmosphere, bright sunshine feel, clean and orderly image, balanced composition, rich details but not hyper-realistic, 4K resolution. Avoid photorealistic look, low-saturation haze, modern minimalist style, cyberpunk style, 3D rendering, watercolor, oil painting, blurry image, cluttered layout, dark sky, close-up of people, overly realistic lighting.