Create ebay description template with wordpress (system)

I need a ebay admin frame to attach different templates. (post option in wordpress) Admin css/html. And one template (for the beginning) - Header Shop (i can insert the link) Contact us (slides down to customer chat) - Banner 1 - Banner 2 (slider) - Supported Devices - Product Description - How to place an Unlock Service order? - How to Unlock "Model" ? - Customer Support 1.) link to ebay message 2.) Livechat (tawk) -------- For example i create a ebay description. By posting a new post in wordpress. 1.) i click on post 2.) create new post 3.) choose template 4.) then i can insert the description (headliner ect..) 5.) copy code after success saved first post