{ "global_settings": { "resolution": "8K 超高清", "aspect_ratio": "3:4", "camera_style": "摄影棚美食摄影，电影级布光", "depth_of_field": "浅景深，主体清晰，背景虚化", "lighting": "柔和定向主光，细腻轮廓光，受控光影" } }