.container {
  width: 100vw;
  background-color: #ffffff;
}
.tui-navigatorbar{
  position: fixed;
  top: 0;
  width: 750rpx;
  height: 170rpx;
  background-color: #ffffff;
  z-index: 99;
}
.tui-navigatorbar-back{
  position: absolute;
  width: 48rpx;
  height: 48rpx;
  left: 40rpx;
  bottom: 20rpx;
}
.conversation-title {
  position:absolute;
  width: 350rpx;
  height: 88rpx;
  line-height: 56rpx;
  font-size: 36rpx;
  color: #000000;
  bottom: 0;
  left: 200rpx;
  display: flex;
  justify-content: center;
  align-items: center;
}
.box{
  width: 92vw;
  margin: 170rpx auto 0 auto;
  height: calc(100vh - 170rpx);
  display: flex;
  flex-direction: column;
}