@media (min-width: 992px) and (max-width: 1199px) {
  body .img-box {
    height: 600px;
  }
  body .img-box .img-con h1 {
    font-size: 120px;
  }
  body .img-box .img-con p {
    font-size: 54px;
  }
}
@media (min-width: 769px) and (max-width: 991px) {
  body .img-box {
    height: 400px;
  }
  body .img-box .img-con h1 {
    font-size: 92px;
  }
  body .img-box .img-con p {
    font-size: 54px;
  }
  body .content-body .content-text-box h3 {
    font-size: 30px;
    padding-top: 20px;
  }
  body .content-body .content-text-box p {
    font-size: 20px;
  }
  body .content-body .content-img-box {
    height: 200px;
  }
}
@media (max-width: 768px) {
  body .img-box {
    height: 250px;
  }
  body .img-box .img-con h1 {
    font-size: 44px;
  }
  body .img-box .img-con p {
    font-size: 54px;
  }
  body .content-title {
    font-size: 20px;
  }
  body .content-header .content-text1 span {
    padding: 0;
  }
  body .content-body {
    margin: 0;
  }
  body .content-body .content-text-box {
    height: 111px;
  }
  body .content-body .content-text-box h3 {
    font-size: 16px;
    padding-top: 20px;
  }
  body .content-body .content-text-box p {
    font-size: 12px;
    padding: 0;
  }
  body .content-body .content-img-box {
    height: 111px;
  }
  body .content-body .col-4 {
    padding: 2px;
  }
}
.img-box {
  position: relative;
  background-color: skyblue;
  background: url('../img/智慧校园.png') no-repeat center center / cover;
  height: 800px;
}
.img-box .img-con {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.img-box .img-con h1 {
  font-size: 146px;
  font-weight: bolder;
  color: #fff;
}
.cam-con-box {
  margin: 40px 0;
}
.content-title {
  font-size: 28px;
  font-weight: 600;
  margin-top: 20px;
}
.content-text1 {
  font-size: 20px;
  font-weight: 500;
}
.content-text1 span {
  padding: 10px 36px;
}
.content-text2 {
  text-indent: 2em;
  font-size: 20px;
}
.content-body {
  margin: 30px 0 20px 0;
}
.content-body .content-text-box {
  width: 100%;
  height: 100%;
  background-color: rgba(255, 152, 0, 0.5);
  text-align: center;
}
.content-body .content-text-box h3 {
  font-size: 48px;
  font-weight: bolder;
  padding-top: 60px;
}
.content-body .content-text-box p {
  font-size: 24px;
  padding: 20px 20px 0;
}
.content-body .content-img-box {
  width: 100%;
}