function toggleNav() {
var d = document.getElementById('nav-drawer');
var ov = document.getElementById('nav-overlay');
if (!d || !ov) return;
var open = d.classList.contains('open');
if (open) {
d.classList.remove('open');
ov.classList.remove('open');
} else {
d.classList.add('open');
ov.classList.add('open');
}
}
![[雪迹追踪]20250221 哈尔滨亚冬会](../images/thumbs/202602131107_1_cscn.webp)
