What is the style of Zhao Mengfu's Red Cliff Fu?

Zhao Mengfu was the most influential calligrapher in Yuan Dynasty. His calligraphy was mainly running script, but there were some cursive scripts. His representative works include: The Monument to Danba in the running script, The Pavilion of Shenfu, The Ode to Luoshen in the running script, The Ode to Chibi before and after, The Thousand-character cursive script, etc. Zhao Mengfu's calligraphy is a link between the past and the future in the history of China's calligraphy, which has a great influence in the calligraphy field of Ming and Qing Dynasties and has a high reputation among followers.