// Enhanced Multi-Page Next/Prev Navigation
function pinad_custom_nextpage_nav($args) {
    global $page, $numpages, $post;
    
    if ($numpages > 1) {
        $next_page = $page + 1;
        $prev_page = $page - 1;
        
        echo '<div class="listicle-slide-action-box">';
        if ($next_page <= $numpages) {
            $next_url = _wp_link_page($next_page);
            preg_match('/href="([^"]+)"/', $next_url, $matches);
            if (!empty($matches[1])) {
                echo '<a href="' . esc_url($matches[1]) . '" class="slide-big-next-btn">Next Ideas (Page ' . $next_page . ' of ' . $numpages . ') →</a>';
            }
        }
        echo '</div>';
    }
}
add_action('wp_link_pages', 'pinad_custom_nextpage_nav', 10);<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://creatixa.de/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://creatixa.de/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://creatixa.de/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://creatixa.de/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://creatixa.de/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>