/*RESET*/
html,
body {
  padding: 0;
  margin: 0;
  color: #333333;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", STHeiti, "Microsoft Yahei", Tahoma, Simsun, sans-serif;
  background-color: #fff;
  -webkit-text-size-adjust: 100% !important;
  /*ios禁止字体缩放*/
}
/*首页*/
.header {
  width: 100%;
  height: 2.5rem;
  background-color: #fbfbfb;
  margin-bottom: 1.5rem;
}
.header .logo {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  width: 24rem;
  height: 100%;
  line-height: 2.5rem;
  margin: auto;
  font-size: 0.85rem;
  background: url(../images/logo.png) no-repeat left center;
  -webkit-background-size: 1.4rem auto;
  background-size: 1.4rem auto;
  padding-left: 2.5rem;
}
.itemCon {
  width: 24rem;
  margin: auto;
}
.itemCon .row {
  /*去除display：inline-block元素间隙*/
  font-size: 0;
  -webkit-text-size-adjust: none;
}
.itemCon .row .item {
  display: inline-block;
  width: 11.5rem;
  height: 6.25rem;
  text-align: center;
  color: #fff;
  font-size: 0.65rem;
  cursor: pointer;
  margin-bottom: 1rem;
}
.itemCon .row .item img {
  width: 2.75rem;
  margin-top: 1.05rem;
  margin-bottom: 0.55rem;
}
.itemCon .row .item1 {
  background-color: #D64A40;
  margin-right: 1rem;
}
.itemCon .row .item2 {
  background-color: #618B85;
}
.itemCon .row .item3 {
  background-color: #99764C;
  margin-right: 1rem;
}
.itemCon .row .item4 {
  background-color: #33B3E4;
}
/*屏幕尺寸小于500px，做适配处理*/
@media only screen and (max-width: 500px) {
  .header {
    height: 4rem;
  }
  .header .logo {
    line-height: 4rem;
    font-size: 1.1rem;
    -webkit-background-size: 2rem auto;
    background-size: 2rem auto;
    padding-left: 3rem;
  }
  .itemCon {
    width: 18rem;
  }
  .itemCon .row .item {
    width: 100%;
    height: 7.5rem;
    font-size: 0.9rem;
  }
  .itemCon .row .item img {
    width: 3.5rem;
    margin-top: 1rem;
  }
  .itemCon .row .item1 {
    margin-right: 0rem;
  }
  .itemCon .row .item3 {
    margin-right: 0rem;
  }
}