配置页样式，看板基础样式

src/config/rem.js

@@ -0,0 +1,14 @@
+// 大屏尺寸2560*2560px
+(function (doc, win) {
+  var docEl = doc.documentElement
+  var resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize'
+  var recalc = function () {
+    var clientWidth = docEl.clientWidth
+    if (!clientWidth) return
+    // docEl.style.fontSize = 100 * (clientWidth / 1920) + 'px'
+    docEl.style.fontSize = 100 * 2 + 'px'
+    document.body.style.display = 'block'
+  }
+  if (!doc.addEventListener) return win.addEventListener(resizeEvt, recalc, false)
+  doc.addEventListener('DOMContentLoaded', recalc, false)
+})(document, window)