2x2 网格电影感夜景情侣肖像，带身份锁定

```json { "generation_request": { "meta_data": { "task_type": "cinematic_night_couple_2x2_grid_identity_lock", "language": "zh-Hans", "priority": "highest", "version": "v1.0_DUSK_COUPLE_LIFT_ROMANCE_2X2_IDLOCK" }, "input": { "mode": "image_to_image", "reference_image_usage": "very_high", "preserve_identity": true, "preserve_facial_features": true, "preserve_skin_tone": true, "preserve_pose": false, "preserve_hand_structure": true, "notes": "重要提示：画面中有两个人。请使用两张独立的参考图片：一张用于女性，一张用于男性。输出必须尽可能地保留两人的身份和面部比例，使其与参考图片一致。创建一个 2x2 网格拼贴（四张不同的照片），展示同一对情侣，穿着相同的服装风格，营造相同的夜间氛围。无文字，无标志，无水印。" }, "output": { "aspect_ratio": "4:5", "resolution": "ultra_high", "num_images": 1, "layout": { "type": "grid", "rows": 2, "cols": 2, "gutter": "thin" }, "sharpness": "filmic_crisp", "grain": "subtle_analog" }, "scene": { "environment": "户外夜晚/黄昏场景，深蓝色天空，远处地平线有微弱的暖色光，远处有少量城市灯光", "mood": "浪漫电影感夜间肖像，亲密而自然，电影剧照感" }, "wardrobe": { "man": "白色无袖背心，运动休闲风", "woman": "白色修身短袖上衣，大耳环，长发飘逸" }, "lighting": { "style": "电影感低光照，带闪光灯 + 暖色轮廓光", "key_light": "面部柔和暖色主光（如手机闪光灯或小型 LED），不过曝", "rim_light": "头发和肩膀上的暖色轮廓光", "background": "深蓝色夜间色调，干净整洁" }, "camera": { "look": "35mm 胶片剧照感", "lens": "50mm 和 85mm 镜头感", "depth_of_field": "浅到中等景深，面部清晰，背景柔和模糊", "color_grade": "冷蓝色阴影 + 暖色皮肤高光，微妙的光晕" }, "panels": { "panel_1": "宽幅浪漫抱起：男士托住女士腰部/臀部；女士双臂向上伸向天空，头向后仰，头发飘逸；深蓝色黄昏背景", "panel_2": "亲密特写侧面：情侣非常靠近地面对面，女士带着温柔的微笑仰视男士；男士俯视；面部和眼睛锐利清晰", "panel_3": "红光自拍特写：强烈的红色凝胶光笼罩在两人脸上；男士在前看向镜头，女士在他身后微笑；保持身份完美；无字幕或水印", "panel_4": "宽幅拥抱抱起：男士再次抱起女士；女士双臂环绕男士颈部，头向后仰大笑；相同的黄昏背景和光线连贯性" }, "identity_rules": { "two_people_only": true } } } ```