text: 
          //防止点透事件初始化
  if ('addEventListener' in document) {  
      document.addEventListener('DOMContentLoaded', function() {  
          FastClick.attach(document.body);  
      }, false);  
  }
      
     //rem适配
     var html = document.getElementsByTagName('html')[0];
     var width = window.innerWidth;
    
     if(width>750){
         width=750;
     }
     var fontSize = 100/750*width;
     html.style.fontSize = fontSize +'px';
     window.onresize = function(){
         var html = document.getElementsByTagName('html')[0];
         var width = window.innerWidth;
         if(width>750){
             width=750;
         }
         var fontSize = 100/750 * width;
         html.style.fontSize = fontSize +'px';
  }
  
  