.my-tabbar {
  background-color: #171717;
  box-shadow: -3px 4px 16px #000;
  box-sizing: border-box;
}
.banner {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #171717;
  border-bottom-right-radius: 10px;
  box-shadow: 0 -4px 13px #000;
  height: 40px;
  width: 100%;
  position: fixed;
  z-index: 2 /* Add z-index */;
}
.banner-title {
  color: #2cc995;
  font-size: 20px;
  font-weight: bold;
  text-shadow: 0 -4px 13px #000;
}
.mobile-home {
  background-color: #171717;
}
.mobile-home .van-tabbar before {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  background-color: #171717;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  opacity: 0;
  transition: opacity 0.5s;
  z-index: -1;
}
.mobile-home .van-tabbar.activeTab before {
  opacity: 1;
}
.router-view {
  margin-bottom: 50px;
}