.input-wrap{
  display: flex;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px #00b0f0 solid;
  margin: 12px 36px;
}
.input-wrap>input{
  flex: auto;
}
.tip{
  text-align: center;
  margin: 4px;
  color: dimgray;
  font-size: 15px;
}
.nav-back{
  margin-top: 4px;
}