body,p,header,nav,section,h1,h2,h3,h4{
       margin: 0;}ul{
       margin: 0;    padding: 0;    list-style: none;}input{
       margin: 0;    padding: 0;}img{
       border:none;    vertical-align: middle;}a{
       text-decoration: none;}body{
       font-size: 14px;    font-family: "微软雅黑";}.clearfix:after{
       content: '';    display: block;    clear: both;}.center{
       width: 1181px;    margin:  0 auto;}