{
  "image_generation_request": {
    "subject": {
      "placeholder": "{argument name=\"product name\" default=\"INSERT PRODUCT HERE\"}",
      "position": "正中央，与视线齐平，在画面中完美居中",
      "presentation": "悬浮，漂浮在失重的虚空中，无支架，无平台，无底座，无可见支撑物"
    },
    "environment": {
      "background": "纯粹的实体漆黑，十六进制代码 #000000，无限虚空",
      "lighting": "轮廓光，电影级明暗对比，金属边缘高对比度反光，内部凹陷处发出柔和的橙色光芒"
    },
    "aesthetic_style": {
      "textures": [
        "喷砂哑光钛",
        "拉丝航空级铝",
        "阳极氧化深灰色金属",
        "带肋工业垂直散热片"
      ],
      "optical_effects": "透过垂直长笛纹理玻璃观看，细微的色差畸变，折射玻璃扭曲，外边缘径向运动模糊",
      "color_palette": {
        "primary_background": "#000000",
        "secondary_metal": "#8E8E8E",
        "accent_glow": "#FF8C00",
        "highlights": "#FFFFFF"
      }
    },
    "composition_constraints": {
      "framing": "确保产品完全可见，不裁剪边缘，主体周围留有宽阔的安全边距",
      "elements_to_exclude": [
        "文字",
        "标志",
        "水印",
        "柔光箱",
        "灯架",
        "地面",
        "地平线",
        "道具",
        "人手",
        "表面上的阴影"
      ]
    },
    "technical_specs": {
      "focal_length": "85mm 微距镜头",
      "depth_of_field": "产品深景深，前景折射玻璃模糊",
      "render_engine": "照片级 Octane 渲染，8k 分辨率，光线追踪反射"
    }
  }
}