水下电影情侣之吻，保留身份信息

```json
{
  "generation_request": {
    "meta_data": {
      "task_type": "underwater_cinematic_couple_kiss",
      "language": "zh-Hans",
      "priority": "highest",
      "version": "v1.0_UNDERWATER_INTIMATE_REALISM"
    },
    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "very_high",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "notes": "保持上传参考图中的精确面部结构、比例、眼睛位置、鼻子形状、嘴唇丰满度、下颌线和头发特征。无身份漂移。无风格化。"
    },
    "output": {
      "aspect_ratio": "3:2",
      "resolution": "ultra_high",
      "num_images": 4,
      "sharpness": "high",
      "grain": "subtle_film_underwater"
    },
    "scene": {
      "concept": "浪漫水下之吻",
      "environment": "清澈的碧蓝色海水，柔和的自然光从水面穿透而下",
      "composition": "情侣水下接吻的特写侧面，身体部分可见，头发和衣物漂浮",
      "details": [
        "面部周围有自然的空气气泡",
        "光线透过水面过滤",
        "有机水体扭曲",
        "水中有柔和的颗粒物"
      ]
    },
    "subject": {
      "couple": {
        "woman": {
          "identity": "使用上传的参考女性面部，确保最大程度的相似度。",
          "expression": "双眼轻闭，自然放松的接吻表情",
          "hair": "与参考头发完全匹配；在水中自然漂浮，具有逼真的浮力",
          "wardrobe": "轻薄简约的泳装或柔软飘逸的织物，自然地受水体物理作用影响"
        },
        "man": {
          "identity": "使用上传的参考男性面部，确保最大程度的相似度。",
          "expression": "双眼轻闭，自然放松的接吻表情",
          "hair": "与参考头发完全匹配；因水流而略微漂浮",
          "wardrobe": "自然赤裸上半身或简约泳装"
        }
      }
    },
    "lighting": {
      "style": "自然水下阳光",
      "direction": "自上而下的光线",
      "caustics": "皮肤上细微移动的水光反射",
      "contrast": "柔和低对比度",
      "skin_rendering": "逼真的水下肤色，略带蓝绿色调"
    },
    "camera": {
      "lens": "35mm 水下镜头",
      "aperture": "f2.8",
      "depth_of_field": "适度浅景深",
      "focus": "面部清晰，背景柔和虚化"
    },
    "color_grading": {
      "palette": [
        "碧蓝色",
        "水绿色",
        "柔和的肤色桃色",
        "微妙的阳光高光"
      ],
      "underwater_color_absorption": true,
      "highlights": "柔和漫射",
      "shadows": "冷色调"
    },
    "physics": {
      "realistic_water_distortion": true,
      "accurate_buoyancy": true,
      "natural_bubble_": null
    }
  }
}
```