Help with backdrop filter on hollow element

Hello community!

I`m trying to set up backdrop blur filter to a ring elements but it blurs everything inside its bounderies. Any ideas on how I can achive the result like in attachment?


Here is my public share link: https://preview.webflow.com/preview/brandiegogo?utm_medium=preview_link&utm_source=designer&utm_content=brandiegogo&preview=93606b5d5edfcfc5d3333e05b9fc362e&workflow=preview