.mona-web-navbar {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 44px;
  padding: 0 40px;
  font-size: 14px;
  padding-top: constant(safe-area-inset-top);
  /*兼容 IOS<11.2*/
  padding-top: env(safe-area-inset-top);
  z-index: 9990;
}

.mona-navbar-extra-height {
  padding-top: 44px;
  padding-top: calc(constant(safe-area-inset-top) + 44px);
  /*兼容 IOS<11.2*/
  padding-top: calc(env(safe-area-inset-top) + 44px);
}

.mona-web-navbar-left {
  position: absolute;
  left: 20px;
}

.mona-web-navbar-back {
  // 16px
  width: 16px;
}

.mona-web-navbar-title {
  font-weight: bold;
  text-align: center;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}