雨中黑白纪录片情侣（图像到图像）

```json { "generation_request": { "meta_data": { "task_type": "photoreal_documentary_couple_rain_black_and_white", "language": "zh-Hans", "priority": "highest", "version": "v1.0_BW_RAIN_CANDID_JACKET_SHIELD" }, "output": { "aspect_ratio": "4:5", "resolution": "high", "num_images": 4 }, "scene": { "concept": "暴雨中真实的浪漫纪实瞬间，如街头新闻摄影般捕捉", "environment": "倾盆大雨中的城市街道，湿漉漉的路面有倒影，背景是柔和失焦的建筑和路牌", "key_action": "男子将夹克举过两人头顶作挡雨之用，两人快速移动，相视而笑，紧密相依", "composition": "中景到四分之三身，动态抓拍构图，浅景深，背景不显眼" }, "subject": { "couple": "成年女性和成年男性", "wardrobe": { "woman": "白色衬衫松散地系着，深色裙子，可见湿润的织物纹理，自然造型", "man": "被雨淋湿的深色衬衫和裤子，可见手表，夹克举在两人上方" }, "pose": "在夹克下快速移动，身体紧密相依，女子笑容灿烂，男子以保护姿态看着她", "details": "湿润的发丝，皮肤和衣物上的雨滴，湿润织物的自然褶皱和贴合感" }, "camera": { "shot": "纪实街头照片", "lens_mm": 35, "aperture": 2.8, "focus": "面部和手部清晰；背景柔和模糊", "quality_tags": "超写实，清晰的雨痕，逼真的湿润纹理，微妙的胶片颗粒" }, "lighting": { "style": "阴雨天日光或昏暗的街头环境光", "notes": "控制湿润皮肤和织物上的高光；保留雨滴可见性" }, "color_grade": { "mode": "black_and_white", "contrast": "高对比度单色，具有电影般的衰减效果", "grain": "微妙的 35mm 胶片颗粒" }, "negative_prompt": "彩色，HDR，过饱和，塑料皮肤，CGI，卡通，模糊，低分辨率，虚假雨水叠加，错误雨水方向，变形的手，多余的手指，重复的肢体，文字，标志，水印" } } ```