.sutong-intro {
  padding: 70px 0;
  text-align: center;
  background: #E9E9E9;
}

.sutong-intro h5 {
  font-size: 40px;
  color: #000;
  line-height: 1;
  font-weight: 700;
}

.sutong-intro h5 strong {
  font-weight: 600;
}

.sutong-intro .highlighted  {
  color: var(--color-second);
}

.sutong-intro .more1 {
  margin: 34px 0 0;
  padding: 0 40px;
  height: 60px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  color: #fff;
  font-weight: 700;
  
  position: relative;
  background-color: var(--color-primary);
}

.sutong-intro .more1 i {
  margin-left: 16px;
}

.sutong-intro .more1:hover {
  background-color: #E9E9E9;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.sutong-intro .highlighted {
  color: var(--color-second);
}

@media screen and (max-width: 1441px) {
  .sutong-intro h5 {
    font-size: 38px;
  }
}

@media screen and (max-width: 1280px) {
  .sutong-intro h5 {
    font-size: 36px;
  }
}



@media screen and (max-width: 992px) {
  .sutong-intro h5 {
    font-size: 34px;
  }
}

@media screen and (max-width: 768px) {
  .sutong-intro h5 {
    font-size: 30px;
  }

  .sutong-intro {
    padding: 35px 0;
  }

  .sutong-intro h5 {
    line-height: 1.2;
  }

  .sutong-intro .more1 {
    margin: 25px 0 0;
  }
}

@media screen and (max-width: 480px) {
  .sutong-intro h5 {
    font-size: 24px;
  }
}