{ "campaign_metadata": { "brand_identity": "Quantum Horizon Tech", "product_focus": "钛金属奢华智能手表", "aspect_ratio": "3:4", "aesthetic_style": "极简主义、未来科技感、高端商业摄影", "lighting": "冷色调轮廓光、柔和漫反射、电影级光影 (cinematic lighting)", "composition": "特写镜头、浅景深 (bokeh)、[subject] 居中构图", "technical_specs": "8K 分辨率、超高细节、光线追踪 (ray tracing)、虚幻引擎 5 渲染风格", "prompt_template": "一张 [subject] 的超高清特写照片，佩戴着 Titanium Luxury Smartwatch，背景为 {place}，采用极简主义设计，冷色调金属质感，柔和的电影级光影，背景虚化 (bokeh)，8K 分辨率，极致细节，由 Midjourney v6 渲染。" } }