What happens to Lido Staked ETH?

I've been hearing a lot about Lido Staked ETH recently, but I'm still not quite sure what exactly happens to it. Could you please explain in detail? I'm particularly interested in understanding the staking process and how it affects the value of Lido Staked ETH. Also, could you tell me about any potential risks involved in staking ETH through Lido? I'd like to have a comprehensive understanding of this topic before making any decisions.