:root{--nn-red:#c40000;--nn-bg:#f4f5f7}
body{background:var(--nn-bg)}
.nn-portal2026{max-width:1440px;margin:auto;padding:24px}
.nn-section{margin-bottom:48px}
.nn-section h2{font-size:2rem;border-left:6px solid var(--nn-red);padding-left:12px}
.nn-card,.nn-news-card,.nn-featured-large{border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08)}
@media(max-width:900px){.nn-portal2026{padding:14px}}