{
  "model": "doubao-seedance-2-0-mini-260615",
  "content": [
    {
      "type": "text",
      "text": "同一只蓝釉陶瓷杯的近景电影镜头。镜头缓慢向前推近杯口和右侧单把手，背景渐进虚化，柔和侧逆光。保留杯身比例、蓝釉颜色和单把手，不生成文字、第二只杯子或新图案。主体不能融化。"
    },
    {
      "type": "image_url",
      "image_url": {
        "url": "<image_url input; see input-provenance.json>"
      },
      "role": "first_frame"
    }
  ],
  "duration": 4,
  "resolution": "720p",
  "ratio": "16:9",
  "generate_audio": false
}