.navbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  height: 0.8rem;
  border: none;
}
.navbar .logo {
  margin: 0;
  margin-right: 0.1rem;
  width: 0.48rem;
  height: 0.48rem;
  background: url(../_nuxt_resources/阶乘云.png) no-repeat center center;
  background-size: 0.48rem 0.48rem;
  font-size: 0px;
}
.navbar .title {
  margin: 0;
  margin-right: 1.2rem;
  height: 0.8rem;
  line-height: 0.8rem;
  font-size: 0.24rem;
  color: #000000;
  font-weight: 400;
}
.navbar .nav_item {
  font-size: 0.2rem;
  margin-right: 0.8rem;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 0.18rem;
}
.navbar .nav_item.active {
  color: rgba(28, 105, 236, 1);
  position: relative;
}
.navbar .nav_item.active:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
  width: 0.52rem;
  height: 0.04rem;
  background-color: rgba(28, 105, 236, 1);
  border-radius: 0.02rem 0.02rem 0 0;
}
.navbar .nav_item a {
  color: inherit;
  cursor: pointer;
}
footer {
  padding: 0.3rem 0 0 0;
  background-color: #EEEEEE;
  text-align: center;
  font-size: 0.18rem;
  color: #999999;
}
footer .cmp_info {
  text-align: left;
  margin-bottom: 0.2rem;
  line-height: 0.3rem;
}
footer .safe {
  padding: 0.1rem;
  background-color: #373737;
}