body,div,nav,ul,li,a,p,h1,h4{margin: 0;padding: 0;font-size: 12px;font-family: "微软雅黑"; color: #757575;text-decoration:none;}
h1,h2,h3,h4{font-weight:normal;font-size:12px}
.banner img{display: block;}

.content{width: 1200px; margin: 0 auto; clear: both; padding-bottom: 30px!important;}