<script>

$( document ).ready(function() {
    $(".v-4__b-button").on("click", function() {
        const name = $(this).parents(".w-slide").find(".package-price").text().trim()
        const form = $("#price-contact-form").find("form")
        form.append(`<input type="hidden" name="Форма ${name}" data-name="Форма ${name}" value="Форма ${name}" />`);
    });
})

</script>