Good Morning,
First of all, I must admit your requirements are very much clear and are compiled very professionally.
We had checked both the links. We are Magento Experts and let me show a few live samples to you:
Magento 2.0:
[login to view URL]
[login to view URL] [Online shop used Porto theme]
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Give us your response and we can share some useful information along with you. You will receive everyday updates from us and frequent communication is assured.
Looking forward to your response.
Regards,
Lnsel Team(Mahesh).