Here's a technical review of the (engineering, not science) imaging system for Perseverance, published in November 2000 before a touchdown in February 2021:

https://link.springer.com/article/10.1007/s11214-020-00765-9

Here's the process for how the landing site was selected:

https://mars.nasa.gov/mars2020/mission/science/for-scientist...

I think this is more open than the Zhurong information has been, but I'd be happy to learn more.