.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  display: flex;
  width: 100%;
  height: 1rem;
  background-color: #fff;
}
.header img {
  display: block;

  height: .63rem;
  vertical-align: middle;
  margin-left: 1.8rem;
  margin-top: .19rem;
}
.header .navigate {
  flex: 1;
  height: 1rem;
  margin-left: 6rem;
}
.header .navigate .navigateItem {
  float: left;
  height: 1rem;
  line-height: 1rem;
  margin-right: .9rem;
  font-size: .16rem;
  color: #000;
  text-decoration: none;
  cursor: pointer;
}
.header .navigate .navigateItem.active {
  color: #ed6c01;
}
.header .navigate .navigateItem:hover {
  color: #ed6c01;
}
.header .navigate .phone {
  display: none;
}
.header .menuButton {
  display: none;
}
@media screen and (max-width: 750px) {
  .header {
    display: block;
    height: 1.3rem;
    border-bottom: 1px solid #d3d3db;
  }
  .header img {
    width: 3.96rem;
    height: .43rem;
    margin-left: .4rem;
    margin-top: .44rem;
  }
  .header .navigate {
    display: none;
    width: 100%;
    height: 15.6rem;
    box-sizing: border-box;
    padding: 0 .4rem;
    position: absolute;
    left: -1rem;
    top: 1.3rem;
    background-color: #242424;
  }
  .header .navigate .navigateItem {
    display: block;
    width: 100%;
    height: 1rem;
    box-sizing: border-box;
    font-size: .32rem;
    line-height: 1rem;
    text-indent: .4rem;
    color: #fff;
    border-bottom: 1px solid #3d3d40;
  }
  .header .navigate .phone {
    display: block;
    width: 100%;
    height: 1rem;
    box-sizing: border-box;
    font-size: .28rem;
    line-height: 1rem;
    text-indent: .4rem;
    color: #939399;
    text-decoration: none;
  }
  .header .menuButton {
    display: block;
    position: absolute;
    width: .35rem;
    height: .34rem;
    top: .48rem;
    right: .4rem;
    background-image: url('http://zhibao88.cn/image/header/m-menuButton1.png');
    background-repeat: no-repeat;
    background-size: 100%;
  }
}