正面身份证肖像，护照照片美学，特写头像，中性表情，细微胶片颗粒，平坦的顶光，文档扫描纹理，真实皮肤，纯色背景。
Front-facing identification card portrait, passport photo aesthetic, close-up headshot, neutral expression, subtle film grain, flat overhead lighting, document scan texture, realistic skin, plain background.
