.flat_en_title {
  font-size: 46px;
  color: #1070b4;
  font-weight: 700;
  text-align: left;
}
.flat_title {
  font-size: 96px;
  color: #666666;
  font-weight: 700;
  text-align: left;
}

.flat_sub {
  font-size: 28px;
  color: #666666;
  font-weight: 700;
  text-align: left;
  padding: 10px 30px;
  background-color: #1070b449;
}

.flat_sub_before {
  font-size: 18px;
  color: #666666;
  font-weight: 700;
  text-align: left;
  padding: 5px 10px;
  background-color: #5a5a5a49;
}

.flat_blue {
  color: #1070b4;
}

@media (max-width: 1600px) {
  .flat_en_title {
    font-size: 38px;
    color: #1070b4;
    font-weight: 700;
    text-align: left;
  }
  .flat_title {
    font-size: 80px;
    color: #666666;
    font-weight: 700;
    text-align: left;
  }

  .flat_sub {
    font-size: 22px;
    color: #666666;
    font-weight: 700;
    text-align: left;
    padding: 10px 30px;
    background-color: #1070b449;
  }

  .flat_sub_before {
    font-size: 16px;
    color: #666666;
    font-weight: 700;
    text-align: left;
    padding: 5px 10px;
    background-color: #5a5a5a49;
  }

  .flat_blue {
    color: #1070b4;
  }
}