Like a beautiful chapter in a poem, what do the lyrics mean?

This lyric comes from a song called "Thousands of Baidu", which is the opening song of the TV series "Palace Locked Together".

The lyrics "Like a beautiful chapter in a poem" describe a very beautiful and elegant melody in a song, just like a beautiful poem. This lyric may imply that the emotion expressed in the song is very delicate and romantic, and it is poetic and intoxicating.