// 模拟倒计时功能
function updateTimer() {
const secondsElement = document.getElementById('seconds');
const minutesElement = document.getElementById('minutes');
const hoursElement = document.getElementById('hours');
const daysElement = document.getElementById('days');
const yearsElement = document.getElementById('years');
let seconds = parseInt(secondsElement.textContent);
let minutes = parseInt(minutesElement.textContent);
let hours = parseInt(hoursElement.textContent);
let days = parseInt(daysElement.textContent);
let years = parseInt(yearsElement.textContent);
seconds++;
if (seconds >= 60) {
seconds = 0;
minutes++;
if (minutes >= 60) {
minutes = 0;
hours++;
if (hours >= 24) {
hours = 0;
days++;
if (days >= 365) {
days = 0;
years++;
}
}
}
}
// 更新显示
secondsElement.textContent = seconds.toString().padStart(2, '0');
minutesElement.textContent = minutes.toString().padStart(2, '0');
hoursElement.textContent = hours.toString().padStart(2, '0');
daysElement.textContent = days;
yearsElement.textContent = years;
}
// 每秒钟更新一次计时器
setInterval(updateTimer, 1000);
// 添加按钮点击事件
document.querySelectorAll('.btn').forEach(button => {
button.addEventListener('click', function() {
this.classList.add('active');
setTimeout(() => {
this.classList.remove('active');