Hello

Existing url www.site.com/auto/sale/amc/alliance.html

category 1 : www.site.com/auto.html
category 2 www.site.com/auto/sale.html
category 3 www.site.com/auto/sale/amc.html
category 4 www.site.com/auto/sale/amc/alliance.html
category
category
category


sample

category 1 : www.site.com/auto.html
category 2 www.site.com/sale-auto.html
category 3 www.site.com/sale-amc.html
category 4 www.site.com/sale-amc-alliance.html


In short, when the sub-category is selected, the parent category is hidden