Fine 1px #d9d9d9 border with rounded-xl on all cards. Featured card
uses overflow-hidden to clip thumbnail flush left; secondary cards give
each thumbnail its own rounded-xl so it sits neatly inside the py-2
padded wrapper. Arrow uses standard → instead of unsupported U+1F816.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>