nav{position:sticky;top:0;z-index:9;display:flex;gap:22px;padding:12px max(18px,calc((100% - 1120px)/2));background:#ffffffeb;border-bottom:1px solid var(--line);backdrop-filter:blur(18px);overflow-x:auto;white-space:nowrap;font-size:14px}nav a{color:#505663}