curl --location 'https://api.chatfire.cn/fal-ai/hunyuan-video/video-to-video' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"prompt": "A stylish woman walks down a Tokyo street filled with warm glowing neon and animated city signage. She wears a dark blue leather jacket, a long pink dress, and bright yellow boots, and carries a black purse.",
"num_inference_steps": 30,
"aspect_ratio": "16:9",
"resolution": "720p",
"num_frames": 129,
"enable_safety_checker": true,
"video_url": "https://storage.googleapis.com/falserverless/hunyuan_video/hunyuan_v2v_input.mp4",
"strength": 0.85,
"pro_mode": false
}'