.wu .site.is-new .arrow{display:none}@media (max-width:1000px){.wu .nav ul.open{display:flex;position:absolute;top:86px;left:0;right:0;background:var(--black-2);flex-direction:column;padding:18px 24px;gap:15px;border-bottom:1px solid var(--line-d)}}@media (max-width:640px){.wu .nav ul.open{top:72px}}