.platform {    
  /*margin-top: 80px;*/
  padding-bottom: 119px;
}

.platform h1 {
  position: relative;
  font-size: 30px;
  color: #333;
  height: 30px;
  line-height: 30px;
  font-weight: bold;
}

.platform h1::before {
  content: "";
  width: 50px;
  height: 16px;
  background-color: #7fb6a1;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: -1;
}

.platform .first {
  margin-top: 50px;
  font-weight: bold;
  font-size: 24px;
  /*position: relative;
  left: 60px;*/
}

.platform .second {
  margin-top: 30px;
  font-size: 20px;
  font-weight: bold;
  position: relative;
  left: 30px;
}

.platform .third {
  font-size: 20px;
  font-weight: normal;
  position: relative;
  left: 30px;
}

.platform .third li {
  float: left;
  width: calc(50% - 20px);
  margin: 10px;
}

.platform .third li a {
  color: #4b9a7b;
}

@media screen and (max-width: 768px) {
  .platform h1 {
    font-size: 0.5rem;
  line-height: 0.5rem;
  height: 0.5rem;
}

.platform {
  /*margin-top: 0.3rem;*/
  padding-bottom: 0.3rem;
}

.platform .first {
  margin-top: 0.3rem;
  font-size: 0.4rem;
  /*left: 0.3rem;*/
}

.platform .second {
  margin-top: 0.25rem;
  font-size: 0.3rem;
  left: 0.3rem;
}

.platform .third {
  font-size: 0.25rem;
  left: 0.3rem;
}

.platform .third li {
  width: 100%;
  margin: 0.1rem;
  font-size: 0.25rem;
}

.platform .third li a {
  font-size: 0.25rem;
}
}