body, ul, h1, h2, h3, p, dl, dd{ margin: 0; padding: 0; }
li{ list-style: none; }
img{ border: none; }
h1, h2, h3{ font-weight: normal; }
a{ text-decoration: none; color: #333; }
body{ font-family: '微软雅黑'; font-size: 12px; color: #333; }

.clearfix:after {content: " ";display: block;clear: both;height: 0;}
.clearfix {
    zoom: 1;
    clear:both;
}