首帧生成视频（官方格式）

curl --location --request POST 'https://api.aiznt.com/seedance/v3/contents/generations/tasks' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "doubao-seedance-1-0-pro-250528",
    "content": [
        {
            "type": "text",
            "text": "多个镜头。一名侦探进入一间光线昏暗的房间。他检查桌上的线索，手里拿起桌上的某个物品。镜头转向他正在思索。 --ratio 16:9 --dur 5 --rs 1080p"
        },
        {
            "type": "image_url",
            "image_url": {
                "url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/seepro_i2v.png"
            }
        }
    ]
}'