三工具组合：GPT Image 2 做画面，Seedance 2.0 做运动，Suno 做音乐。先出音乐锁定节奏，再根据拍点设计分镜。
先出音乐锁定节奏和结构。知道 BPM 和歌曲段落后，就能精确地让每格分镜卡在拍点上。
Create a 6-panel storyboard for a music video:
Intro: {INTRO_VISUAL}
Verse: {VERSE_VISUAL}
Chorus: {CHORUS_VISUAL}
Style: city pop anime, soft summer afternoon light, film grain texture.Japanese city pop anime style, soft summer afternoon light, character walking lightly, Tokyo street background, blue sky, film grain texture, 24fps.