黑白实验人物海报，融合半调网点与局部彩色扫描窗口

Create a 9:16 experimental character poster using a close or waist-up portrait with expressive body language. Keep most of the portrait in high-contrast black and white, then add a clear halftone screen-print effect. Use finer dots on the face and denser dots in the hair, clothing and shadows, so it feels like a printed zine rather than simple photo grain. Add one color scan window through an important part of the...