I'm sorry to hear about your experience. From what you've told us, it seems like you've been scammed. The fact that the website is hard to find on Google and that they asked you to pay taxes upfront before letting you withdraw your funds are both warning signs. It's important to be cautious when it comes to online investment opportunities, especially when dealing with unfamiliar websites and individuals.
Can you tell us a little more about how you first became involved with this Chinese woman and the website? Did she reach out to you directly, or did you come across an advertisement or receive a recommendation from someone else that led you to the website?