新黑色都市夜景人像，带面部保留

```json
{
  "image_generation": {
    "identity_requirements": {
      "face": {
        "preserve_original": true,
        "exact_match": true,
        "description": "精确保持主体面部的原始结构、比例以及参考图像中可识别的特征。"
      },
      "hair": {
        "preserve_original": true,
        "exact_match": true,
        "description": "精确再现主体在参考图像中的发型——相同的长度、分缝、质地和流动感。"
      }
    },
    "setting": {
      "location": "霓虹灯闪烁的粗犷都市小巷",
      "background": {
        "elements": [
          "小巷上方刺眼的灯光",
          "有纹理的砖墙",
          "柔和的都市薄雾",
          "散落的路面细节"
        ],
        "description": "一条阴郁、电影感的小巷，由一盏明亮的顶灯照亮，投下戏剧性的阴影和富有氛围感的光芒。"
      }
    },
    "scene": {
      "environment": {
        "type": "黑色电影风格的都市夜景",
        "description": "主体置身于一条昏暗、富有氛围感的小巷中，色彩柔和，薄雾弥漫，光晕闪烁。"
      },
      "effects": {
        "light_bloom": "顶灯发出强烈的光晕，营造出梦幻、柔和的光环效果",
        "film_grain": "柔和的复古颗粒感，带来电影般的胶片质感",
        "ambient_smoke": "细薄的烟雾在画面中飘散，增添氛围感"
      }
    },
    "subject": {
      "pose": {
        "body_position": "低身蹲在小巷墙边，重心略微偏向一侧",
        "hand_positions": {
          "right_hand": "右手随意地拿着一支香烟，靠近地面",
          "left_hand": "左手放松或自然放置以保持平衡"
        },
        "camera_direction": "她面向镜头，表情平静、酷酷的，略带一丝不羁。"
      },
      "clothing": {
        "outerwear": "深色皮革或仿皮夹克，带有微妙的光泽",
        "footwear": "适合街头风格的深色靴子",
        "details": "逼真的纹理，高光部分捕捉到小巷的灯光。"
      },
      "expression": "忧郁、自信、略带疏离——一种柔和、电影般的凝视。"
    },
    "camera": {
      "aspect_ratio": "9:16 竖幅",
      "style": "情绪化的电影摄影，景深较浅，具有胶片美学",
      "lighting": {
        "type": "小巷上方刺眼的灯光与柔和的环境溢光",
        "effects": [
          "明亮光源周围的光晕和光斑",
          "柔和的侧影勾勒出面部轮廓",
          "略带绿青色的都市色调"
        ]
      }
    },
    "aesthetic": {
      "mood": "粗犷、富有氛围感、私密、电影感",
      "style": [
        "新黑色写实主义",
        "情绪化的胶片摄影风格",
        "都市夜景肖像"
      ]
    }
  }
}
```