.simple-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: #F8FAF7;
  border-top: 1px solid rgba(45,55,45,.05);
  position: fixed;
  bottom: 0;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: 480px;
  max-width: 100%;
  height: 50px;
  z-index: 9999;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 100%;
  cursor: pointer;
}

.nav-item.active .nav-text {
  color: #7A9E7E;
  font-weight: bold;
}

.nav-text {
  font-size: 14px;
  color: #8A9A8A;
  margin-top: 4px;
}

/* 为页面内容添加底部边距，避免被导航栏遮挡 */
.page-with-nav {
  padding-bottom: 60px;
}