A photorealistic commercial video sequence of men's navy blue casual drawstring trousers, 15 seconds long, 9:16 vertical ratio. Shot 1 0-3s A cinematic slow zoom-in on the navy blue smooth fabric texture, a male hand (wearing a bracelet) gently strokes the material. Shot 2 3-6s Cut to a headless male model wearing the navy trousers and a white t-shirt, standing in a blurred modern living room with a beige sofa background. Shot 3 6-9s Medium full-body shot of the model wearing grey sneakers, showing the slim straight fit and the small vertical zipper detail on the side thigh. Shot 4 9-12s Close-up on the thigh area, the model's hand pulls the fabric firmly to demonstrate high elasticity and stretchiness. Shot 5 12-15s Macro extreme close-up of the white waist drawstrings and side zipper pocket detail. Lighting is bright, soft, and warm home interior daylight.