.nav {
  position: relative;
  width: 100%;
  height: 1.083333rem;
  color: #aababd;
  font-size: 0.444444rem;
  text-align: center;
  line-height: 1.083333rem;
  background: #343434;
  overflow: hidden;
}

.tab1, .tab2 {
  float: left;
  width: 50%;
  color: #aababd;
}

.active {
  color: #01a7e1;
}

.underline {
  position: absolute;
  bottom: 0;
  width: 0.611111rem;
  height: 0.055556rem;
  background: #01a7e1;
  left: 25%;
  transform: translateX(-50%);
  transition: all .2s;
}

.line-move {
  left: 75%;
}

.main {
  padding: 0.277778rem 0.416667rem;
}

.banner {
  display: block;
  -webkit-box-shadow: 0.041667rem 0.069444rem 0.208333rem rgba(67, 74, 84, .24);
          box-shadow: 0.041667rem 0.069444rem 0.208333rem rgba(67, 74, 84, .24);
  margin-bottom: 0.555556rem;
}
.banner img {
  display: block;
  width: 100%;
  height: 3.5rem;
}

.theme {
  margin-bottom: 0.222222rem;
}

.theme a {
  display: block;
  width: 100%;
  height: 0.888889rem;
}

.theme img {
  display: block;
  width: 100%;
  height: 100%;
}

.theme-item {
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  justify-content: space-between;
  -ms-flex-pack: justify;
  -webkit-box-pack: justify;
  margin-top: 0.333333rem;
}

.theme-item a {
  position: relative;
  width: 2.666667rem;
  height: 2.666667rem;
  margin-bottom: 0.333333rem;
  border-radius: 0.138889rem;
  overflow: hidden;
}

.item-label {
  position: absolute;
  bottom: 0;
  width: 100%;
  color: #fff;
  font-size: 0.361111rem;
  text-align: center;
  line-height: 0.833333rem;
  background: linear-gradient(bottom, rgba(50, 53, 62, 0.9) 20%, rgba(50, 53, 62, 0.1));
  background: -moz-linear-gradient(bottom, rgba(50, 53, 62, 0.9) 20%, rgba(50, 53, 62, 0.1));
  background: -webkit-linear-gradient(bottom, rgba(50, 53, 62, 0.9) 20%, rgba(50, 53, 62, 0.1));
}

.footer {
  color: #aab2bd;
  font-size: 0.293333rem;
  text-align: center;
  margin-bottom: 0.555556rem;
}