.header{background: url(../images/jczfwgbg.png) no-repeat center center;height: 433px}.content{margin: 0 auto;width: 1200px}.header .logo{padding-top: 20px;float: left}.footer{width: 100%;height: auto;overflow: hidden;padding: 20px 0;background: #e6e6e7;text-align: center;font-size: 16px;line-height: 33px;color: #fff}