body, html { font-size: 100%;padding: 0;margin: 0;}
*,
*:after,
*:before {-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box;}
 
.clearfix:before,
.clearfix:after {content: " ";display: table;}

.clearfix:after {clear: both;}

body{font-family: "Source Han Sans CN","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif;}