转换马赛克风格照片

Transform this image into a refined low-poly mosaic style. Preserve the original structure and recognizable details, especially facial features and contours. Use small, high-density polygons to maintain clarity and identity while creating a crystalline, faceted look. Keep the original color palette for a harmonious and natural aesthetic. Avoid altering or adding new elements.。进阶玩法：把方向光改成侧逆光，画面氛围会立刻变得更有故事感。