.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.flex-space-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bg-center {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100%;
}

.text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-overflow-2 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.text-overflow-3 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.nbsp {
  font-size: 20rpx;
  opacity: 0;
}