var fontSize = 100;
var elm = document.documentElement;
if (elm.clientWidth > 640) {
	elm.style.fontSize = fontSize + 'px';
}
if (elm.clientWidth <= 640) {
	elm.style.fontSize = fontSize * (elm.clientWidth / 640) + 'px';
}

//	wow = new WOW({
//		animateClass: 'animated',
//		offset:100,
//		mobile: true,
//	});
//	wow.init();

$(document).ready(function () {
	$('.nav-trigger').on('click', function (e) {
		e.preventDefault();
		$(this).parent().toggleClass('nav-active');
	});
	//弹出窗口
	$("#btn_center").click(function () {
		$("#video-center").slideToggle("slow");
		$(".video-title img").click(function () {
			$(this).parent().parent().hide("slow");
		});

	});
	function monthDayDiff(startTime, endTime) {
		let flag = [1, 3, 5, 7, 8, 10, 12, 4, 6, 9, 11, 2];
		let start = new Date(startTime);
		let end = new Date(endTime);
		let year = end.getFullYear() - start.getFullYear();
		let month = end.getMonth() - start.getMonth();
		let day = end.getDate() - start.getDate();
		if (month < 0) {
			year--;
			month = end.getMonth() + (12 - start.getMonth());
		}
		if (day < 0) {
			month--;
			let index = flag.findIndex((temp) => {
				return temp === start.getMonth() + 1
			});
			let monthLength;
			if (index <= 6) {
				monthLength = 31;
			} else if (index > 6 && index <= 10) {
				monthLength = 30;
			} else {
				monthLength = 28;
			}
			day = end.getDate() + (monthLength - start.getDate());
		}
		var chastr = '专业包装机械生产厂家(已成立' + year + '年' + month + '个月' + day + '天)'
		$('#time-diff p').text(chastr)
	}
	monthDayDiff('2011-3-17', new Date())
});