{ "image_type": "商业产品广告", "resolution_target": "8K", "aspect_ratio": "3:4", "orientation": "竖屏", "scene": { "environment": "摄影棚产品拍摄", "background": { "color": "深炭灰至黑色渐变", "texture": "平滑哑光", "lighting_falloff": "柔和光影衰减" } } }