Create a professional, high-end artist sketchbook page using the uploaded photo as the sole reference for the character. Preserve the exact facial features, identity, hairstyle, proportions, and overall recognizable likeness with exceptional accuracy.
专业艺术家打开的速写本页，平放木桌上。可见：人物动态速写、建筑透视线稿、边缘水彩/彩铅试色条、手写注释与箭头、轻微污迹与纸纤维。自然侧窗光，浅景深。纪实、过程感、创作中美学。高细节。无清晰品牌标志，注释可为暗示性笔迹。
