nav{position:sticky;top:0;z-index:20;background:var(--nav);backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,0,0,.08)}nav .inner{max-width:1220px;margin:auto;display:flex;align-items:center;gap:22px;overflow:auto;padding:13px 24px;white-space:nowrap}