浪漫冬日情侣肖像，身份锁加持

```json
{
  "reference_images": {
    "female_face": "使用上传的女性参考图片",
    "male_face": "使用上传的男性参考图片",
    "identity_lock": {
      "female": true,
      "male": true
    }
  },
  "scene": {
    "location": "户外人行道或桥梁，装饰有悬挂的串灯",
    "time_of_day": "夜晚",
    "season": "冬季",
    "atmosphere": "浪漫、温馨、亲密",
    "background": {
      "elements": [
        "头顶上方暖白色串灯",
        "柔和的焦外散景光晕",
        "金属栏杆",
        "微妙的冬季环境"
      ]
    }
  },
  "subjects": {
    "female": {
      "face": {
        "preserve_reference": true,
        "expression": "灿烂愉悦的笑容",
        "emotion": "开心、充满爱意"
      },
      "hair": {
        "color": "深棕色",
        "style": "波浪卷发，别在耳后"
      },
      "clothing": {
        "outerwear": {
          "type": "毛绒冬装外套",
          "color": "米色/米白色",
          "texture": "柔软、毛绒"
        },
        "inner_layer": {
          "type": "针织上衣或毛衣",
          "color": "中性浅色调"
        }
      },
      "pose": {
        "position": "面向镜头，依偎着伴侣",
        "interaction": "一只手搭在伴侣的胸部或肩膀上"
      }
    },
    "male": {
      "face": {
        "preserve_reference": true,
        "expression": "宽广温暖的笑容",
        "emotion": "满足、充满爱意"
      },
      "hair": {
        "color": "深棕色",
        "style": "中等长度，向后梳理"
      },
      "facial_hair": "非常浅的胡茬",
      "clothing": {
        "outerwear": {
          "type": "羊毛大衣",
          "color": "黑色或深海军蓝",
          "fit": "修身"
        },
        "inner_layer": {
          "type": "圆领毛衣或衬衫",
          "color": "深中性色"
        }
      },
      "pose": {
        "position": "略微位于女性身后和旁边",
        "interaction": "一只手臂环绕着她的腰部",
        "head": "轻轻地倾向她"
      }
    }
  },
  "interaction": {
    "relationship_vibe": "浪漫情侣",
    "body_language": "亲密、充满爱意、放松",
    "touch": "自然的拥抱"
  },
  "camera": {
    "shot_type": "肖像",
    "framing": "中景特写",
    "angle": "平视",
    "lens": "肖像镜头效果",
    "depth_of_field": "浅景深，背景柔和模糊"
  },
  "lighting": {
    "primary": "暖色串灯",
    "secondary": "柔和的环境夜间照明",
    "effect": "面部金色光晕，讨喜的阴影"
  },
  "color_grading": {
    "overall_tone": "暖色调",
    "contrast": "柔和",
    "highlights": "发光",
    "saturation": "自然"
  },
  "style": {
    "realism": "高",
    "aesthetic": "浪漫冬季摄影",
    "editing": "极简，自然肤质"
  }
}
```