// (function(base, min, max, scaling) {
// 	var cacheWidth = 0;
// 	var timer;
// 	var docEl = document.documentElement;
// 	var recalc = function() {
// 		var clientWidth = docEl.clientWidth;
// 		if (!clientWidth) return;
// 		console.log(clientWidth);
// 		clientWidth = Math.max(Math.min(clientWidth, max), min);
// 		if (cacheWidth !== clientWidth) {
// 			clearInterval(timer);
// 			cacheWidth = clientWidth;
// 			docEl.style.fontSize = scaling * (clientWidth / base) + 'px';
// 		}
// 	}
// 	recalc();
// 	setTimeout(recalc, 300);
// 	if (!window.addEventListener) return;
// 	var resizeWithTimer = function() { timer = setInterval(recalc, 10); }
// 	if ('onorientationchange' in window) window.addEventListener('orientationchange', resizeWithTimer);
// 	if ('onresize' in window) window.addEventListener('resize', resizeWithTimer);
// })(1920, 1000, 1920, 100);
// //375, 300, 768, 100

(function (pcBase, pcMin, pcMax, pcScaling, mBase, mMin, mMax, mScaling) {
    var cacheWidth = 0;
    var timer;
    var docEl = document.documentElement;
    var recalc = function () {
        var clientWidth = docEl.clientWidth;
        if (!clientWidth) return;
        clientWidth = Math.round(clientWidth / 10) * 10;

        var base, min, max, scaling;

        // 鎵嬫満绔
        if (clientWidth <= 768) {
            base = mBase;
            min = mMin;
            max = mMax;
            scaling = mScaling;
        }
        // 鐢佃剳绔
        else {
            base = pcBase;
            min = pcMin;
            max = pcMax;
            scaling = pcScaling;
        }

        clientWidth = Math.max(Math.min(clientWidth, max), min);
        if (cacheWidth !== clientWidth) {
            cacheWidth = clientWidth;
            docEl.style.fontSize = scaling * (clientWidth / base) + 'px';
        }
    };
    recalc();
    setTimeout(recalc, 300);
    window.addEventListener('resize', recalc);
})(1920, 1000, 2000, 100, 375, 300, 768, 100);