月亮投影剪影的低调肖像

```json
{
  "generation_request": {
    "meta_data": {
      "task_type": "photoreal_low_key_moon_projection_portrait",
      "language": "zh-Hans",
      "priority": "highest",
      "version": "v1.0_MOON_DISK_SHADOW_SILHOUETTE_LOWKEY"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "high",
      "num_images": 4
    },
    "scene": {
      "concept": "一幅戏剧性的低调肖像，以月亮投影作为背景和关键图形元素",
      "environment": "纯黑色无缝背景，无可见墙壁，无道具，极简布景",
      "composition": "3/4 肖像，主体略微偏右；超大月盘位于头部和肩部后方，月亮占据画面中部"
    },
    "subject": {
      "person": "成年女性",
      "wardrobe": {
        "top": "黑色抹胸上衣，哑光面料",
        "bottom": "深色牛仔裤，带有微妙纹理"
      },
      "hair_makeup": {
        "hair": "深色长发，自然蓬松，额头有刘海/发帘",
        "makeup": "微妙烟熏妆，亮泽唇部，逼真皮肤纹理，无塑料感平滑"
      },
      "pose": "3/4 身体转向，双臂交叉抱胸，肩膀略微抬起",
      "expression": "神秘、平静，略带专注地凝视镜头"
    },
    "projection": {
      "content": "高分辨率满月盘，带有清晰的陨石坑细节",
      "placement": "位于主体后方，居中于头部/肩部水平",
      "shadow_behavior": "投射到月盘上的硬边阴影剪影，轮廓/肩部线条清晰可辨",
      "notes": "月亮必须看起来像真实的投影光线，而不是粘贴的图形；保留陨石坑纹理和边缘衰减"
    },
    "camera": {
      "shot": "低调投影肖像",
      "lens_mm": 50,
      "aperture": 2.2,
      "focus": "眼睛、嘴唇和月球陨石坑纹理清晰锐利；深黑色得到保留",
      "quality_tags": "超逼真、清晰、微妙胶片颗粒、干净边缘"
    },
    "lighting": {
      "style": "单一硬光投影主光 + 极少补光",
      "notes": "高对比度，颧骨和嘴唇上有受控的高光，深阴影，月盘上有清晰的阴影剪影，无可见背景溢光"
    },
    "color_grade": {
      "palette": "深黑色、冷月灰色、中性肤色带轻微电影感暖色",
      "contrast": "高对比度，低调",
      "effects": "微妙颗粒感，仅在最亮的月亮边缘有非常轻微的光晕"
    },
    "negative_prompt": "文字、标志、水印、边框、画框、明亮背景、柔光箱效果、低对比度、模糊月亮、扁平图形月亮、面部过曝、塑料皮肤、过度平滑、多余手指、变形的手、解剖结构扭曲、严重伪影、色带"
  }
}
```