How to use OkCoin?

How do I get started with using OkCoin to trade cryptocurrencies? What are the basic steps I need to follow to set up an account, fund it, and begin trading? Are there any specific fees or limits I should be aware of when using OkCoin? Additionally, what security measures does the platform have in place to protect my funds and personal information? Can I use my mobile device to access my OkCoin account and trade on the go? Lastly, are there any resources or tutorials available to help me navigate the platform and become a more proficient trader?