.nav-box{
  text-align: center;
  position: relative;
}

.nav-back{
  position: absolute;
  left: 8px;
  top: 0;
  font-size: 18px;
  transform: scale(1, 1.5);
  cursor: pointer;
  user-select: none;
  outline: none;
  padding: 0 10px;
}

.nav-title{
  font-size: 15px;
  font-weight: bold;
}

.position-box{
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 1001;
  width: 100%;
  background-color: rgba(0, 0, 0, .6);
  color: #ffffff;
  font-size: 14px;
  padding: 10px!important;
  line-height: 24px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  flex-direction: row!important;
}

.position-box-tips{
  line-height: 30px;
  font-size: 14px;
}

.position-box-btn{
  background-color: #ff6600;
  color: #fff;
  width: 80px;
  height: 25px;
  line-height: 25px;
  text-align: center;
  margin-left: 10px!important;
  border-radius: 6px;
}