绿宝石色调黑白

A detailed JSON prompt for Gemini Nano Banana Pro to generate an 8K hyper-realistic, high-contrast cinematic portrait. The image is black and white, but uses selective color to highlight the reflective emerald green lenses of the subject's sunglasses. It requires strict face identity lock based on an uploaded reference image.

{
  "image_type": "照片",
  "genre": "电影肖像",
  "resolution": "8k",
  "style": [
    "超逼真",
    "高对比度",
    "黑白与选择性色彩"
  ],
  "reference": {
    "face_identity": "使用上传的脸部作为精确参考",
    "identity_lock": true,
    "face_accuracy": "不改变脸部结构、比例或特征"
  },
  "composition": {
    "framing": "紧凑特写肖像",
    "shot_type": "侧面特写",
    "camera_lens": "长焦镜头",
    "camera_angle": "侧面",
    "subject_orientation": "看向画面右侧",
    "depth_of_field": "浅，主体锐利焦点，背景淡入纯黑色",
    "background": "深黑色，无可见细节"
  },
  "lighting": {
    "key_light": "强烈的电影主光从前右侧照射，照亮脸部和太阳眼镜",
    "rim_light": "明显的轮廓光描绘头发、耳朵和胡子的左侧",
    "contrast": "高对比度，戏剧性高光和深阴影"
  },
  "color_treatment": {
    "overall": "去饱和黑白",
    "selective_color": "仅翠绿色反射镜片"
  },
  "subject": {
    "type": "人类",
    "gender_presentation": "男性",
    "expression": "严肃，沉思，眉头微皱",
    "hair": "深色，详细质地",
    "beard": "完整，修剪整齐，可见质地",
    "accessories": {
      "sunglasses": "圆形银色镜框，带有生动的反射翠绿色镜片"
    },
    "clothing": "皮革夹克，在右下角可见微妙光泽"
  },
  "details": {
    "skin_texture": "超详细，逼真",
    "material_detailing": "高度详细的头发、胡子、皮革质地",
    "mood": "强烈，电影感，沉思"
  }
}

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