Subject: 3D futuristic city complex buildings, geometric minimalist skyscrapers, smooth white extending platforms with delicate reflective texture. Scene: Empty urban airspace without characters, vehicles or vegetation, pure hazy sky environment. Style: Minimalism, C4D 3D rendering, cyberpunk future style, regular geometric conceptual design style. Tone: Light blue as main base tone, light gray blended color scheme, overall clean, cold and elegant. Light and shadow: Global soft uniform light, thin misty diffused light, no strong light-dark contrast, no light spots or hard shadows. Composition: Depth perspective composition, platforms extending toward visual center, symmetrically arranged buildings with strong sense of depth. Purpose: Tech poster background, architectural conceptual design drawing, business PPT background image, digital interface atmosphere material.