.nn-header-enterprise{background:#fff;position:sticky;top:0;z-index:9999;border-bottom:1px solid #ddd}
.nn-topbar{display:grid;grid-template-columns:220px 1fr 300px;gap:15px;background:#c40000;color:#fff;padding:8px 20px}
.nn-header-brand{display:grid;grid-template-columns:320px 1fr;align-items:center;gap:20px;padding:18px 20px}
.nn-logo{text-align:left}
.nn-logo img{max-height:90px;width:auto}
.nn-header-banner{display:flex;justify-content:flex-end;align-items:center;min-height:90px}
.nn-main-menu{border-top:1px solid #eee}
.nn-menu{display:flex;justify-content:center;gap:24px;list-style:none;margin:0;padding:14px 20px}
.nn-menu a{text-decoration:none;font-weight:700;color:#222}
.nn-menu a:hover{color:#c40000}
@media(max-width:992px){
.nn-topbar{grid-template-columns:1fr}
.nn-header-brand{grid-template-columns:1fr}
.nn-header-banner{justify-content:center;margin-top:12px}
.nn-menu{overflow:auto;white-space:nowrap;justify-content:flex-start}
}