.first_time_tips{
  position: fixed;
  width: 100%;
  height: 100%;
  top:0;
  right: 0;
  z-index: 2;
}
.first_time_tips:after{
  content: '';
  display: block;
  position: absolute;
  top: 0.6rem;
  right: 1.6rem;
  z-index: 1;
  width: 2rem;
  height: 2rem;
  background: #ff8200;
  border-radius: 3px;
  transform: rotate(45deg);
}
.first_time_tips_text{
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 20.3rem;
  height: 3rem;
  background: #ff8200;
  border-radius: 6px;
  color: #fff;
  text-align: center;
  line-height: 3rem;
  font-size: 1.3rem;
}