Nano Banana Pro：写实浴室人像

{ "type": "image_generation_prompt", "reference_image_policy": { "instruction": "严格使用参考照片以确保面部身份完全一致", "constraints": [ "保持精确的特征、比例、皮肤纹理", "不得美化或改动", "仅限照片级真实感" ] }, "prompt": "超写实中景镜头：年轻女性身着黑色缎面短裙，随意坐在豪华浴室的白色/红色大理石梳妆台上。放松的姿势，一只手放在头发里，温暖微笑，直视镜头。淡妆，宝石吊坠项链。道具：香水、刷子、口红、罐子；台上盆。金色黄昏侧光，条纹阴影。浅景深，柯达Portra 400胶片美学，亲密舒适的氛围。", "negative_prompt": [ "面部改动", "理想化美感", "过度平滑皮肤", "CGI", "人工照明", "解剖结构错误", "手部扭曲" ] }