A blank business card mockup on the floor, standing upright against an empty wall with textured concrete flooring, neutral color scheme with light gray and beige tones, high resolution, photorealistic style, no text or graphics visible inside the white box, captured from above at eye level.

一个空白的商业卡样机在地板上，站立式对空墙上有纹理的混凝土地板、中立色彩方案有浅灰色和褐色，分辨率高，逼真的风格，没有文字或图形可见的内，捕获的，从上眼睛的水平。