ss="small opacity-75 mt-2">
                Owned by VietMap – Vietnam's Leading Provider of Mapping Solutions
            </p>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
    <script>
        let provincesData = {};
        let wardsData = {};
        let allProvinces = [];
        let allWards = [];

        // Custom Dropdown Class
        class CustomDropdown {
            constructor(element, options = {}) {
     