.home-area {
  background: url(../img/banner-5.png) no-repeat #26126b;
  background-size: 100% 100%;
}

.caption-img {
  margin-left: 15%;
}

.caption-cont {
  margin-top: 40px;
}

.img-fluid {
  height: 450px;
}

.caption-cont a.bg {
  background-image: linear-gradient(to right, #2467FF, #24B0EF);
}

.remake {
  margin-top: 20px;
  color: #fff;
  font-size: 14px;
}

.content {
  padding: 0 15%;
}

.courseBox {
  margin-top: 100px;
}

.title {
  text-align: center;
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 50px;
}

.conBox {
  display: flex;
  justify-content: space-around;
}

.item {
  text-align: center;
  position: relative;
}

.item::after {
  content: url(./../img/dian.png);
  position: absolute;
  right: -100px;
  top: 45%;
}

.item:nth-child(4):after {
  content: '';
}

.item .courseImg {
  width: 150px;
  margin-bottom: 20px;
}

.item .text {
  font-size: 16px;
  font-weight: 600;
}

.serveBox {
  margin-top: 150px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

.serveItem {
  width: 400px;
  text-align: center;
  padding: 30px;
  background: #F9F9F9;
  position: relative;
  margin-bottom: 80px;
}

.serveItem::after {
  content: "";
  width: 50px;
  height: 10px;
  background: #26126B;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  position: absolute;
}

.serveItem .top {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 30px;
}

.serveItem .text {
  line-height: 200%;
}

@media only screen and (max-width: 1600px) {
  .item::after {
    right: -80px;
  }
  .item .courseImg {
    width: 140px;
  }
}

@media only screen and (max-width: 1400px) {
  .item::after {
    right: -60px;
  }
}

@media only screen and (max-width: 1200px) {
  .item::after {
    content: '';
  }
  .item .courseImg {
    width: 130px;
  }
}

@media only screen and (max-width: 991px) {
  .caption-img {
    margin-top: 0 !important;
    text-align: center;
    margin-left: 0;
  }
  .content {
    padding: 0 10%;
  }
}

@media only screen and (max-width: 768px) {
  .conBox {
    flex-direction: column;
  }
  .item {
    margin-bottom: 30px;
  }
}