@media (max-width: 768px) {
  body{
    font-size: 14px;
  }
  .nav>li.dropdown{
    display: none;
  }
  .wrapper{
    width: 90%;
  }
  .header{
    height: 15rem;
  }
  .header-bg{
    height: 15rem;
  }
  .header-content-wrapper{
    position: absolute;
    top: 2rem;
    left: 3rem;
    color: #fff;
  }
  .header-title{
    font-size: 1.2rem;
  }
  .header-content{
    margin-top: 1rem;
    width: 80%;
    font-size: 0.8rem;
    line-height: 1.2rem;
  }
  
  .advantage-flex{
    position: relative;
  }
  .advantage-img{
    height: 15rem;
  }
  .advantage-flex-item-large{
    position: absolute;
    top: 15rem;
    left: 0;
  }
  .advantage-flex-item{
    width: 25%;
    flex: 0 0 25%;
  }
  .advantage-1-word{
    top: 10rem;
    left: 1rem;
    font-size: 0.8rem;
    line-height: 1.2rem;
  }
  .advantage-3-word{
    top: 10rem;
    left: 0.8rem;
    font-size: 0.8rem;
    line-height: 1.2rem;
  }
  .advantage-2-word{
    top: 2rem;
    left: 1rem;
  }
  .advantage-2-tips{
    width: 80%;
  }
  .advantage-2-tips-s{
    width: 80%;
    margin-top: 1rem;
    font-size: 0.8rem;
    line-height: 1.2rem;
  }
  .advantage-2-title{
    font-size: 2rem;
  }
  .advantage-progress{
    bottom: -20px;
  }
  .grade-item-normal-p-1{
    padding: 1rem 1rem;
  }
  .grade-item-normal-p-2{
    margin-top: 0;
    padding: 0 1rem;
  }
  .grade-item-normal-p-3{
    padding: 0 1rem;
  }
  .grade-item-normal-p-4{
    padding: 0 1rem;
  }
  .grade-item-normal-1 p{
    padding: 5rem 2rem;
  }
  .grade{
    padding-bottom: 3rem;
  }
  .course-img-1{
    width: 100%;
    height: 10rem;
  }
  .course-img{
    height: 10rem;
  }
  .course-item-wrapper{
    height: auto;
    padding: 2rem 1rem;
  }
  .course-name{
    font-size: 1.2rem;
    line-height: 1.4rem;
  }
  .course-introduce{
    margin-top: 1rem;
  }
  .agency-title-tips{
    bottom: 0;
  }
  .agency{
    padding-bottom: 3rem;
  }
  .agency .row .col-md-3{
    width: 50%;
    padding-left: 5px;
    padding-right: 5px;
  }
  .agency-img{
    width: 100%;
  }
  .questions-bg{
    width: 100%;
  }
  .questions-tips{
    width: 90%;
  }
  .questions-tips-1{
    width: 90%;
  }
  .swiper-container{
    height: 20rem;
  }
}
@media (min-width: 1000px) {
  body{
    min-width: 1280px;;
  }
}