GPT Image 2.5 Sunburst プロンプト - 光沢ある赤い光の立体国慶文字碑

The renowned director of luxurious street advertising art for the rebellious street culture, creating a single vertical-format protagonist poster produced by a high-end studio using CG technology. Background: Pure seamless studio background - rich and saturated radial gradient driven by [red], with a bright and luminous central area gradually transitioning to deeper and darker edges. Using a single-tone color field, without texture or environment, objects float in this immersive color world. Base object: Large physical cultural object, occupying 45% of the bottom area of the picture, shot from a slightly low angle. The material is highly realistic (concrete texture, etc.), and each surface presents strong reflection and chromatic aberration diffusion. The object feels heavy and stable, truly fitting the atmosphere of street culture. Layout design (clear, advanced,): - Center: Large bold official sans-serif font "国庆". Yellow fabric material, recessed and three-dimensional text - Below: Mark pen bold signature sample "Happy National Day" (clear, advanced, white with slight gloss) or similar text. Lighting design: Using a single strong overhead light to highlight the "National Day" font and the high light effect on the top of the base. Rich colored shadows and strong global illumination, making [color] rebound evenly in all directions. Film-grade soft light, fine volume fog effect, perfect reflection. Composition: Vertical ratio of 9:16. Simple blank space. High-end fashion photography and street raw energy blend together. Using high-fidelity Octane/Redshift rendering quality, rich details, sharp anti-aliasing, presenting commercial advertisement-level texture. Technical parameters: 8K resolution, ultra-realism, ray tracing. - Fine edges, smooth gradients, clean picture, details not excessive, texture refinement, balanced light and dark contrast, soft and uniform light, clear but natural picture quality - No noise, flaws, high-frequency details, dirty textures, over sharpening, mottled texture, chaotic details, rough edges, messy patterns, excessive texture, visual chaos. High-end brand editorial visual.