body {
    font-family: sans-serif;
}

/* Alternative approach - target category headers by their position */
.md-nav--primary .md-nav__item:has(.md-nav) > .md-nav__link {
    font-size: 1.15em;
    font-weight: 600;
}

/* Keep active/highlighted items normal size but preserve blue color */
.md-nav__link--active {
    font-size: 1em !important;
    font-weight: normal !important;
}