.content {
  width: 100%;
  background: #f8f8f8;
}

.content .banner {
  position: relative;
  overflow: hidden;
  font-size: 0;
}

.content .banner img {
  width: 100%;
}

.content .banner .title {
  width: 100%;
  height: 13.5rem;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: 0rem;
  padding-top: 5rem;
  color: #ffffff;
  font-size: 1.45rem;
}

.content .con-pic {
  width: 100%;
  margin: -0.3rem auto 0;
  text-align: center;
  padding-bottom: 7rem;
  position: relative;
}

.content .con-pic img {
  width: 100%;
}

.content .con-pic .con-bg {
  position: absolute;
  left: 0;
  top: 0;
}

.content .con-pic .video {
  width: 132.7rem;
  position: relative;
  margin: 0 auto;
}

.content .con-pic .video::before {
  content: "";
  display: table;
}

.content .con-pic .study-pic {
  width: 132.7rem;
}

.con-sub-title {
  font-size: 2.34rem;
  color: #072856;
  line-height: 5.13rem;
  text-align: center;
  margin-top: 6.7rem;
}

.con-title {
  font-size: 4.08rem;
  color: #072856;
  line-height: 8.96rem;
  text-align: center;
  margin: 1.8rem 0 5.9rem;
}

.study-title {
  font-size: 4.08rem;
  font-weight: 400;
  color: #231815;
  line-height: 8.96rem;
  text-align: center;
  margin-top: 6.6rem;
}

.study-info {
  width: 125rem;
  display: flex;
  flex-wrap: wrap;
  margin: 6.7rem auto 0;
}
.study-item {
  width: 58.8rem;
  min-height: 20.4rem;
  display: table-cell;
  padding: 4rem 4.5rem;
  text-align: left;
  background-color: #99263c;
  color: #ffffff;
  line-height: 2.68rem;
  font-size: 1.61rem;
  margin-bottom: 3.5rem;
  border-radius: 0.4rem;
}
.study-item:nth-child(2n) {
  margin-left: 4.5rem;
}

.intro p {
  width: 122.1rem;
  font-size: 1.61rem;
  font-weight: 400;
  color: #595757;
  line-height: 2.49rem;
  margin: 2rem 0;
  text-align: left;
}