index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
    <title>萝卜土豆大辣椒</title>
    <script>
    
    //动态计算font-size基础值
    (function(doc, win) {
        var docEl = doc.documentElement,
            resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
            recalc = function() {
                var clientWidth = docEl.clientWidth;
                if (!clientWidth) return;
                if (clientWidth > 700) {
                    clientWidth = 700;
                };
                docEl.style.fontSize = 16 * (clientWidth / 375) + 'px';
            };
        if (!doc.addEventListener) return;
        win.addEventListener(resizeEvt, recalc, false);
        doc.addEventListener('DOMContentLoaded', recalc, false);
    })(document, window);
    </script>
</head>
<body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
</body>
</html>