What are the characteristics of Qin calligraphy? What works can prove it?

Qin calligraphy is a special and independent system, which is different from other departments. In calligraphy, it shows the inheritance of Western Zhou orthodoxy and is relatively conservative and stable. Jin Wenru's works such as Qin, Qin, Qin Gonggui, Shang Yang and his newlywed wife Lin were handed down from generation to generation until Biography.