Please analyze the ideological and content characteristics of Cao Zhi's poems in combination with his works.

Cao Zhi, a "gifted scholar", stands out in Jian 'an literary world with his poems of "extraordinary tolerance, elegant resentment and elegant style" ("Zhong Rong"), which has been admired by countless literati in past dynasties. He is different from Cao Cao's ancient sadness and Cao Pi's graceful and restrained, but he can be both a father and a brother, realizing the perfect combination of style and literary talent, masculine and feminine, and becoming the most outstanding representative of poetry at that time.