CCTV 监控录像美学

A CCTV-style surveillance footage of a {argument name="subject" default="stylish teenage girl"} walking past a security camera, looking up at the camera with a {argument name="expression" default="bright friendly smile"}, waving her hand casually, candid and natural movement, slightly confident model-like appearance, casual modern outfit, {argument name="location" default="indoor public space (hallway or lobby)"}, high angle security camera perspective, slightly distorted wide-angle lens, low resolution, monochrome or desaturated color, timestamp overlay, subtle scan lines, digital noise, compression artifacts, motion blur, uneven lighting, harsh shadows, grainy texture, authentic security camera aesthetic, unpolished and documentary feel