(function(){
const target = new Date('2025-11-28T23:59:59');
const elDays = document.getElementById('bf-days');
const elHours = document.getElementById('bf-hours');
const elMins = document.getElementById('bf-mins');
const elSecs = document.getElementById('bf-secs');
const container = document.querySelector('.bf-countdown');
if (!container || !elDays || !elHours || !elMins || !elSecs) return;
function pad(n){ return String(n).padStart(2,'0'); }
function update(){
const now = new Date();
let diff = target - now;
if (diff <= 0){
container.innerHTML = '🎉 黑色星期五活動已結束';
clearInterval(timer);
return;
}
const days = Math.floor(diff / (1000*60*60*24));
diff -= days * (1000*60*60*24);
const hours = Math.floor(diff / (1000*60*60));
diff -= hours * (1000*60*60);
const mins = Math.floor(diff / (1000*60));
diff -= mins * (1000*60);
const secs = Math.floor(diff / 1000);
elDays.textContent = days;
elHours.textContent = pad(hours);
elMins.textContent = pad(mins);
elSecs.textContent = pad(secs);
}
update();
const timer = setInterval(update, 1000);
})();
