线框风复古FreeDOS笔记本电脑

灰色线框风格的复古笔记本电脑产品渲染，电脑打开约100度，三分之四前视角，屏幕位于上半部，浅灰单色屏幕显示FreeDOS启动信息、命令行提示符和目录列表文字；下半部为密集的灰色方形键帽键盘，键盘下方中央有轨迹球，转轴与机身侧面以细密线框表现结构；整体为浅灰与白色线条，无实体材质纹理，背景纯净浅色；平视略俯视，居中构图，柔和均匀照明，接近5:4画幅。

Gray wireframe-style product render of a vintage laptop computer, opened at about 100 degrees, three-quarter front view. The upper screen area displays pale gray monochrome FreeDOS boot text, command prompt, and directory listing. The lower half has a dense gray keyboard with square keycaps, and a trackball centered below the keyboard. Hinge and side chassis structures are shown with fine wireframe lines. Overall pale gray and white linework, no solid material textures, clean light background. Slightly elevated eye-level view, centered composition, soft even lighting, approximately 5:4 aspect ratio.