碎花连衣裙镜面自拍，带身份锁提示

```json
{
  "generative_directive": {
    "technical_specifications": {
      "format": "镜面自拍",
      "device": "智能手机摄像头",
      "device_model_prop": "iPhone 16 Pro Max",
      "lens_type": "广角镜头",
      "aspect_ratio": "9:16",
      "focal_priority": [
        "身体",
        "双手"
      ]
    },
    "subject_configuration": {
      "demographics": "女性",
      "skin_appearance": "肤色温暖均匀",
      "posture": {
        "body_angle": "身体略微倾斜",
        "vibe": "放松、自然的感觉",
        "right_hand": "手持手机靠近脸部",
        "left_arm": "自然垂于身体旁",
        "interaction": "左手拿着一个单肩包"
      }
    },
    "apparel_breakdown": {
      "garment_type": "短款连衣裙",
      "color_palette": {
        "base": "米白色",
        "accent_pattern": "粉色玫瑰和绿色叶子"
      },
      "design_elements": {
        "straps": "细肩带",
        "neckline": "柔和垂坠的领口",
        "silhouette": "修身，凸显腰部和臀部",
        "detailing": "腹部周围有轻柔的褶皱",
        "hemline": "短款，略带波浪形"
      },
      "textile_properties": {
        "weight": "轻盈飘逸",
        "elasticity": "柔软有弹性",
        "texture": "微妙的自然光泽",
        "drape": "轻柔垂坠"
      },
      "style_keywords": [
        "浪漫",
        "女性化",
        "优雅"
      ]
    },
    "styling_details": {
      "accessories": {
        "jewelry": "细款金色手链",
        "bag": "单肩包"
      },
      "beauty": {
        "makeup_style": "清淡自然",
        "complexion": "清新",
        "cheeks": "柔和腮红",
        "lips": "自然粉色调，部分可见"
      },
      "nails": {
        "shape": "杏仁形",
        "length": "中等",
        "color": "浅裸色"
      }
    },
    "scene_environment": {
      "location_type": "相当明亮的室内",
      "background_elements": "光滑、极简的白墙",
      "lighting_setup": {
        "source": "侧窗的自然日光",
        "quality": "柔和、漫射",
        "highlight_targets": [
          "明亮色调",
          "精致纹理",
          "金色配饰细节"
        ]
      }
    },
    "critical_constraints": {
      "preservation_rule": "严格保持原始面部、面部特征、比例、皮肤纹理和表情。不得改变身份。"
    }
  }
}
```