curl --request POST \
  --url https://api.mountsea.ai/xai/videos \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "小猫在吃鱼",
  "model": "grok-imagine-video",
  "duration": 6,
  "aspectRatio": "2:3",
  "resolution": "720P",
  "images": [
    "<string>"
  ]
}
'

{
  "taskId": "<string>"
}