/* 首页子菜单 */
.wp-block-navigation-submenu .wp-block-navigation-item:hover {
    /* background: var(--wp--preset--color--custom-1-1-1); */
    background: #e0e0e0;
}

.wp-block-navigation-submenu .wp-block-navigation-item:hover a {
    color: #fff;
}
.wp-block-navigation-submenu {
    z-index: 20;
}