payment/payment_headend/js/customAlert.js

function showCustomAlert(message) {
    const alertBox = document.getElementById('customAlert');
    alertBox.innerHTML = message;
    alertBox.style.display = 'block';
    alertBox.style.opacity = '1';

    // 3秒后隐藏弹窗
    setTimeout(() => {
        alertBox.style.opacity = '0';
        // 等到过渡效果结束再隐藏元素
        setTimeout(() => {
            alertBox.style.display = 'none';
        }, 1000); // 与过渡时间一致
    }, 5000);
}