只替换角色、保留舞蹈：MiniMax H3 视频参考编辑

<Subject 1> is the character shown in <Picture 1>. <Video 1> is the source video of a man dancing on an outdoor plaza; its camera framing, handheld motion, cuts and choreography timing are fixed. Create an edited version of <Video 1> in which only the performer's visual identity is replaced by <Subject 1>. Keep the plaza, mural, notice boards, handheld movement, motion blur, camera positions, angle changes, choreography and timing unchanged frame-for-frame. Map the subject onto the original performer's exact position, pose and movement. Do not introduce additional people, actions, cuts, props or background changes.