A photorealistic commercial video sequence of high-quality brown chocolate-colored straight-leg trousers with a center seam, 15 seconds long, 9:16 vertical ratio. Shot 1 0-3s A slow cinematic zoom-in on the brown trousers hanging on a chrome rack in a bright store, a hand gently strokes the vertical center pintuck seam downwards. Shot 2 3-6s Cut to a headless female model wearing the trousers, medium shot focusing on the high waist and hips, showing a flattering fit. Shot 3 6-9s Full-body shot of the model walking forward in a modern office or minimalist room, highlighting the fluid drape and leg-lengthening effect of the pants. Shot 4 9-12s Close-up of a hand pinching the pant leg fabric and pulling it outwards to demonstrate elasticity and stretch, then snapping back. Shot 5 12-15s Macro extreme close-up of the smooth brown fabric texture. Lighting is bright, neutral, and professional.