.v2-banner{position:sticky;top:0;z-index:80;margin:0;padding:11px 16px;background:#b42318;color:#fff;text-align:center;font:700 15px/1.3 Inter,Segoe UI,Arial,sans-serif;letter-spacing:.01em}
body:has(.v2-banner) .site-header{top:42px}