A very urgent task involving UI modifications and loading speed optimization for a WordPress website

My website is http://www.vitfishing.cn. Currently, there are over a thousand products, but categorizing them is proving difficult. I have already set up all the categories in the navigation bar; I just need to assign the products to the correct categories. Next, I need to compress the product images and install a caching plugin to ensure the site loads smoothly. The site is primarily used in Russia, so the language must be entirely in Russian.

Here is the reference website I found: https://mingyueli.com
My requirements are simple: the visual appearance of my website must be an exact replica of the reference site. Every single page’s UI must match the reference site perfectly; only the final checkout page may differ, but all other pages must be identical.
Optimize the product detail pages so that all content is a complete replica of the reference site.

Product categories must also be organized exactly as they are on the reference site. Therefore, I need a WordPress expert—a developer with deep expertise in design, site speed optimization, and plugin implementation. This is an urgent task that must be completed by Monday; I place a high priority on meeting this deadline.

I am seeking a WordPress expert who can work over the weekend to resolve this issue and help me complete the task within the specified timeframe. Thank you very much.