黑白时尚专题联系表单的 JSON 提示

```json
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_cinematic_black_and_white_fashion_editorial_contact_sheet",
      "priority": "highest",
      "language": "zh-Hans",
      "version": "v1.0_MONOCHROME_GLAM_CONTACT_SHEET_4UP_NO_TEXT"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "ultra_high",
      "num_images": 4
    },
    "scene": {
      "concept": "一张高端黑白时尚大片样片：模特有细微姿势变化的四张照片。极简的影棚墙壁背景，强烈的颧骨光，经典的魅力造型，浓烈的眼妆，以及一件干净的无肩带黑色连衣裙搭配细颈链。",
      "environment": "极简影棚一角 / 纯色纹理墙壁，无道具，无杂物",
      "time_of_day": "影棚",
      "atmosphere": "干净、电影感、高对比度单色"
    },
    "subject": {
      "age_appearance": "成年",
      "expression": "酷、克制、神秘、略带忧郁",
      "hair": "光滑的深色头发向后梳，一缕卷发垂落在脸颊",
      "makeup": "大胆的飞扬眼线，长睫毛，清晰的眉毛，雕塑般的唇部，经典魅力妆容",
      "wardrobe": "无肩带黑色连衣裙，领口干净利落，细黑色颈链在背后系带",
      "pose_language": "细微的面部表情，极小的动作，高级时尚的克制感"
    },
    "shot_design": {
      "layout": "2x2 样片拼贴（一张图片包含四张照片），照片之间有细边框",
      "frame_1": "脸部特写，直视镜头，一缕头发遮住一只眼睛，颈链可见",
      "frame_2": "四分之三身像，模特略微侧身，手臂抬起，手持肩部附近的细带或丝带，优雅的张力",
      "frame_3": "上半身肖像，双肩平齐，中性凝视，无肩带领口突出",
      "frame_4": "脸部特写变体，头部角度和阴影模式略有不同"
    },
    "camera": {
      "camera_body": "Hasselblad X2D",
      "lens": "80mm prime",
      "aperture": "f/2.8",
      "focus": "特写中眼睛锐利，向耳朵和背景柔和虚化",
      "look": "中画幅的清晰度与胶片的柔和感"
    },
    "lighting": {
      "key_light": "从相机右侧打出的较硬的方向性主光，用于塑造脸部，经典的肖像阴影",
      "fill_light": "极低的补光以保持对比度",
      "rim_light": "头发和肩膀上微妙的分离光",
      "contrast": "高对比度，受控的高光"
    },
    "color_grading": {
      "monochrome": true,
      "tone": "浓郁的黑色，明亮的皮肤高光，平滑的中间调",
      "grain": "精细的模拟胶片颗粒",
      "halation": "最亮高光处有非常微妙的光晕"
    },
    "composition": {
      "visual_hierarchy": "首先是眼睛，然后是嘴唇和颈链，最后是连衣裙轮廓",
      "background": "干净的墙壁纹理，浅景深"
    }
  }
}
```