body {
  max-width: 768px;
  margin: 0 auto;
}
.tg-lang {
  position: absolute;
  right: 20px;
  top: 20px;
  height: 28px;
  line-height: 26px;
  font-size: 13px;
  text-align: center;
  width: 80px;
  background: rgba(0, 0, 0, 0.3);
  z-index: 9;
  border-radius: 3px;
}
.tg-lang a {
  float: left;
  display: block;
  width: 48%;
  color: #fff;
  border: 1px solid #fff;
}
.tg-lang a:first-child {
  border-radius: 3px 0 0 3px;
}
.tg-lang a:last-child {
  border-radius: 0px 3px 3px 0px;
  border-left: none;
}
.tg-lang a.on {
  background: rgba(255, 255, 255, 0.8);
  color: #333;
}
img {
  max-width: 100%;
}
.sub-nav-box {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: 100%;
  overflow: initial!important;
}
.wrapper {
  display: flex;
  flex-direction: column;
}
.mobile-view-content {
  flex: 1;
  margin-bottom: 0.33rem;
}