:root{color-scheme:light}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f7fb;color:#0f172a}.brand-header{position:-webkit-sticky;position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:saturate(160%) blur(8px);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid rgba(148,163,184,.35)}.brand-header .inner{max-width:1120px;margin:0 auto;padding:18px 32px}.brand-title{font-weight:600}