Sora提示词：Scene 1 | 0–3sVisual: Senio

Scene 1 | 0–3s
Visual: Senior or rehab user sitting comfortably, feet on under-desk elliptical
Subtitle:
“Designed for Seniors & Leg Rehabilitation”

Scene 2 | 3–6s
Visual: Smooth, gentle leg movement, close-up on joints
Subtitle:
“Low-Impact Workout • Zero Joint Pressure”

Scene 3 | 6–9s
Visual: Auto mode running, wireless remote control in hand
Subtitle:
“Auto (P1–P3) & Manual (10 Speeds)”

Scene 4 | 9–12s
Visual: Plugged-in passive motion → unplugged active pedaling
Subtitle:
“Electric & Manual 2-in-1 Exercise”

Scene 5 | 12–15s
Visual: Quiet office/home use, barefoot pedaling close-up
Subtitle:
“Ultra-Quiet • Safe • Massage-Like Comfort”