function mts_bds_filter_query($query) {
    if (is_admin() || !$query->is_main_query()) {
        return;
    }

    // Chỉ áp dụng logic khi tìm kiếm CPT bat_dong_san ngoài Frontend
    if (isset($_GET['post_type']) && $_GET['post_type'] == 'bat_dong_san') {
        
        $tax_query = array('relation' => 'AND');
        $meta_query = array('relation' => 'AND');

        // Lọc theo Dự án (Taxonomy)
        if (!empty($_GET['du_an_filter']) && $_GET['du_an_filter'] != '0') {
            $tax_query[] = array(
                'taxonomy' => 'du_an',
                'field'    => 'slug',
                'terms'    => sanitize_text_field($_GET['du_an_filter']),
            );
        }

        // Lọc theo Loại hình (Taxonomy)
        if (!empty($_GET['loai_hinh_filter']) && $_GET['loai_hinh_filter'] != '0') {
            $tax_query[] = array(
                'taxonomy' => 'loai_hinh',
                'field'    => 'slug',
                'terms'    => sanitize_text_field($_GET['loai_hinh_filter']),
            );
        }

        // Lọc theo Hướng nhà (ACF Meta Field)
        if (!empty($_GET['huong_filter'])) {
            $meta_query[] = array(
                'key'     => 'huong_nha',
                'value'   => sanitize_text_field($_GET['huong_filter']),
                'compare' => '='
            );
        }

        if (count($tax_query) > 1) {
            $query->set('tax_query', $tax_query);
        }
        if (count($meta_query) > 1) {
            $query->set('meta_query', $meta_query);
        }
    }
}
add_action('pre_get_posts', 'mts_bds_filter_query');<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://bietthuvinhomes.info/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://bietthuvinhomes.info/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://bietthuvinhomes.info/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://bietthuvinhomes.info/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://bietthuvinhomes.info/wp-sitemap-taxonomies-post_tag-1.xml</loc></sitemap><sitemap><loc>https://bietthuvinhomes.info/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>