nav {
  text-align: center;
  margin-top: 0.9rem;
}
nav img {
  width: 2.45rem;
  display: block;
  margin: 0% auto;
}
nav a {
  display: inline-block;
  padding-bottom: 0.9rem;
  font-size: 0.65rem;
  color: #999999;
}
.weui-navbar__item {
  font-size: 0.8rem;
  color: #000;
}