@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: 44px;
  }
}
@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: 34px;
  }
}
@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: 18px;
  }
  body .advantage .adt-con-box p {
    margin-top: 12px;
  }
  body .culture-img-box p {
    font-size: 18px;
  }
}
.img-box {
  position: relative;
  background-color: skyblue;
  background: url('../img/关于我们.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;
}
.img-box .img-con p {
  font-size: 54px;
}
h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 10px;
}
.overview {
  margin: 50px 0;
}
.overview p {
  text-indent: 2em;
  font-size: 20px;
}
.adt-con a {
  margin-top: 30px;
}
.adt-con a:hover {
  color: #000;
}
.adt-con .adt-con-box {
  height: 200px;
}
.advantage {
  margin: 50px 0;
}
.advantage .adt-con-box {
  position: relative;
  background-color: #e7e6e6;
  padding: 10px;
  border-radius: 10px;
  transition: all 0.3s ease;
  overflow: hidden;
  height: 200px;
}
.advantage .adt-con-box h4 {
  text-align: center;
  font-size: 22px;
  font-weight: 500;
  margin-top: 70px;
  transition: all 0.3s ease;
}
.advantage .adt-con-box p {
  display: none;
  font-size: 16px;
  margin-top: 50px;
  padding: 5px 10px;
  transition: all 0.3s ease 0.5s;
}
.advantage .adt-con-box:hover h4 {
  display: none;
}
.advantage .adt-con-box:hover p {
  display: block;
}
.culture {
  margin-bottom: 50px;
}
.culture .cul-con img {
  width: 100%;
  height: 100%;
}
.culture a {
  margin-top: 30px;
}
.culture-img-box {
  position: relative;
}
.culture-img-box p {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #fff;
  transform: translate(-50%, -50%);
  font-size: 30px;
  font-weight: 600;
}