graphic illustration, pop art manga style, bold thick clean black ink outlines, halftone dot texture, solid flat color blocks, limited color palette, high saturation, street comic aesthetic. vertical composition, on the right side of the frame: a short black-haired girl sits curled on roadside guardrail, wearing large white over-ear headphones, her eyes dull and empty, blank dazed expression, numb and out-of-focus gaze, fully absorbed in music. long winding white headphone cable stretches out from the headphones, snaking leftwards, threading through multiple horizontal layered road strips on the left part of the picture. each horizontal road strip is drawn with many tiny simple cartoon cars on the lanes. the layered roads stack vertically one by one, the twisting headphone cord weaves through every road layer and connects the girl with the traffic. visual metaphor: she is isolated by music, cannot hear or perceive the hidden traffic hazards, traffic safety warning poster, muted dark gray background, strong graphic sense, clean shapes, strictly retain the original sketch composition, keep the girl's sitting posture, layered road layout and winding cable path, carefully refine character details