.van-nav-bar {
  position: relative;
  z-index: 1;
  line-height: 22px;
  text-align: center;
  background-color: #fff;
  -webkit-user-select: none;
          user-select: none;
}
.van-nav-bar--fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}
.van-nav-bar--safe-area-inset-top {
  padding-top: constant(safe-area-inset-top);
  padding-top: env(safe-area-inset-top);
}
.van-nav-bar .van-icon {
  color: #1989fa;
}
.van-nav-bar__content {
  position: relative;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
          align-items: center;
  height: 46px;
}
.van-nav-bar__arrow {
  margin-right: 4px;
  font-size: 16px;
}
.van-nav-bar__title {
  max-width: 60%;
  margin: 0 auto;
  color: #323233;
  font-weight: 500;
  font-size: 16px;
}
.van-nav-bar__left,
.van-nav-bar__right {
  position: absolute;
  top: 0;
  bottom: 0;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
          align-items: center;
  padding: 0 16px;
  font-size: 14px;
  cursor: pointer;
}
.van-nav-bar__left:active,
.van-nav-bar__right:active {
  opacity: 0.7;
}
.van-nav-bar__left {
  left: 0;
}
.van-nav-bar__right {
  right: 0;
}
.van-nav-bar__text {
  color: #1989fa;
}