.pages{
  box-sizing: border-box;
  padding: 60rpx 10rpx 0 10rpx;
}
.head{
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  color:#fff;
  position: fixed;
  text-align: center;
  padding-bottom: 20rpx;
  letter-spacing: 0.1em;
  background-color:#438af4
}