/* 清除浮动 */
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
/* 版心 */
.container {
  position: relative;
  margin: 0 auto;
  width: 1180px;
}