{ "master_prompt": { "global_settings": { "resolution": "8K 超高清", "aspect_ratio": "3:4 竖构图", "style": "超写实 AI 精修商业产品摄影", "sharpness": "极致清晰度，微观细节可见", "lighting_quality": "电影级影棚布光，柔和漫反射，边缘高光，戏剧性阴影" } } }