1. This question mainly depends on what you do. If you are engaged in civilian work, it is natural that literary talent is more important.

2. If you are engaged in presiding or diplomatic work, eloquence is more important.

However, I think literary talent and eloquence are mutually successful. Because of good eloquence, literary talent will not be bad. Because eloquence is not only flexible, but also has ink in the chest, eloquence and literary talent are very important.