You’ve pinned 47 photos of girls in cable-knit sweaters on docks. You’ve saved the “navy blazer + white jeans” board. But when you open your closet, it’s a mess of almost-right pieces that somehow look like a costume. Here’s the problem: Pinterest shows you the vibe, not the formula. That photo of a girl in a cream sweater and khakis? She’s wearing a specific cut, specific fabric weight, and specific accessories. Copy the general idea and you look like you’re going to a themed party. Copy the exact pieces and you look like you belong. These 9 outfits are the…