.box1 {
  width: 680rpx;
  height: 200rpx;
  margin-left: 35rpx;
  /* display: flex; */
}

.box2 {
  width: 680rpx;
  margin-left: 35rpx;
  height: 130rpx;
}

.man {
  width: 100rpx;
  height: 100rpx;
  float: left;
}

.b1 {
  width: 400rpx;
  height: 170rpx;
  border: 2px solid #ddeaff;
  margin-left: 30rpx;
  border-radius: 20rpx;
  float: left;
}

.girl {
  width: 100rpx;
  height: 100rpx;
  float: right;
}

.b2 {
  width: 400rpx;
  background-color: #5791ff;
  padding: 10rpx;
  font-size: 26rpx;
  border-radius: 20rpx 0 20rpx 20rpx;
  float: right;
  color: #fff;
  margin-right: 20rpx;
}

.b3 {
  width: 400rpx;
  background-color: #f1f5fe;
  padding: 10rpx;
  font-size: 26rpx;
  border-radius: 0rpx 20 20rpx 20rpx;
  float: left;
  color: #7d7d7d;
  margin-left: 20rpx;
}

.chat_box {
  width: 750rpx;
  height: 90rpx;
  background-color: #5791ff;
  position: fixed;
  bottom: 0;
  display: flex;
}