.content {
  width: 100%;
  position: relative;
  background-color: white;
}
.content .vision {
  width: 100%;
  height: 7.03502rem;
  position: relative;
  min-height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-image: url(../pic/culture_01.jpg?v=2);
  z-index: 1;
}
.content .vision .text {
  position: absolute;
  top: 1.455rem;
  left: 0;
  width: 100%;
}
.content .vision .text .title {
  width: 100%;
  font-size: 0.24rem;
  line-height: 0.24rem;
  color: #000000;
  text-align: center;
  opacity: 0;
  transition: 0.5s;
  position: relative;
  top: 20px;
}
.content .vision .text .line {
  width: 0.4125rem;
  height: 0.03rem;
  background-color: #e84127;
  margin: 0 auto;
  margin-top: 0.2025rem;
  opacity: 0;
  transition: 0.5s;
  transition-delay: 0.2s;
  position: relative;
  top: 20px;
}
.content .vision .text .h1 {
  margin-top: 0.1725rem;
  width: 100%;
  font-size: 0.42rem;
  font-weight: bold;
  line-height: 0.42rem;
  letter-spacing: -0.0075rem;
  color: #000000;
  text-align: center;
  opacity: 0;
  transition: 0.5s;
  transition-delay: 0.4s;
  position: relative;
  top: 20px;
}
.content .vision .text.open .title {
  opacity: 1;
  top: 0;
}
.content .vision .text.open .line {
  opacity: 1;
  top: 0;
}
.content .vision .text.open .h1 {
  opacity: 1;
  top: 0;
}
.content .mission {
  margin-top: 0.4725rem;
  height: 4.87501rem;
  position: relative;
}
.content .mission .jumbotron {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.content .mission .jumbotron img {
  width: 100%;
}
.content .mission .text {
  position: absolute;
  top: 1.455rem;
  left: 0;
  width: 100%;
}
.content .mission .text .title {
  width: 100%;
  font-size: 0.24rem;
  line-height: 0.24rem;
  color: #ffffff;
  text-align: center;
}
.content .mission .text .line {
  width: 0.4125rem;
  height: 0.03rem;
  background-color: #e84127;
  margin: 0 auto;
  margin-top: 0.2025rem;
}
.content .mission .text .h1 {
  margin-top: 0.1725rem;
  width: 100%;
  font-size: 0.42rem;
  font-weight: bold;
  line-height: 0.42rem;
  letter-spacing: -0.0075rem;
  color: #ffffff;
  text-align: center;
}
.content .bottom {
  margin-top: 0.4725rem;
  width: 100%;
  height: 5.53502rem;
  position: relative;
  min-height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-image: url(../pic/culture_03.jpg);
  z-index: 1;
}
.content .bottom .list {
  width: 73%;
  margin-left: 13.5%;
  padding-top: 1.5525rem;
}
.content .bottom .list .item {
  width: 25%;
  float: left;
  margin-bottom: 0.8175rem;
}
.content .bottom .list .item .title {
  font-size: 0.24rem;
  font-weight: bold;
  line-height: 0.24rem;
  color: #ffffff;
  padding-left: 0.1875rem;
  position: relative;
}
.content .bottom .list .item .title::after {
  content: "";
  width: 0.03rem;
  height: 0.24rem;
  background-color: #e84127;
  position: absolute;
  top: 0;
  left: 0;
}
.content .bottom .list .item .p {
  padding-left: 0.1875rem;
  font-size: 0.15rem;
  line-height: 0.3rem;
  color: #ffffff;
  opacity: 0.5;
  margin-top: 0.21rem;
  height: 0.6rem;
}
@media screen and (max-width: 1020px) {
  .content .vision {
    overflow: hidden;
    background-size: auto 100%;
    background-attachment: scroll;
  }
  .content .vision .text {
    position: absolute;
    top: 1.455rem;
    left: 0;
    width: 100%;
  }
  .content .vision .text .title {
    width: 100%;
    font-size: 0.24rem;
    line-height: 0.24rem;
    color: #000000;
    text-align: center;
    opacity: 1;
    transition: 0.5s;
    position: relative;
    top: 0;
  }
  .content .vision .text .line {
    width: 0.4125rem;
    height: 0.03rem;
    background-color: #e84127;
    margin: 0 auto;
    margin-top: 0.2025rem;
    opacity: 1;
    transition: 0.2s;
    transition-delay: 0s;
    position: relative;
    top: 0;
  }
  .content .vision .text .h1 {
    margin-top: 0.1725rem;
    width: 100%;
    font-size: 0.42rem;
    font-weight: bold;
    line-height: 0.42rem;
    letter-spacing: -0.0075rem;
    color: #000000;
    text-align: center;
    opacity: 1;
    transition: 0.3s;
    transition-delay: 0;
    position: relative;
    top: 20px;
  }
  .content .bottom {
    overflow: hidden;
    height: 10rem;
    background-size: auto 100%;
    background-attachment: scroll;
  }
  .content .bottom .list {
    width: 90%;
    margin-left: 5%;
    padding-top: 1.5rem;
  }
  .content .bottom .list .item {
    width: 49%;
    float: left;
    margin-bottom: 0.8175rem;
    margin-right: 2%;
  }
  .content .bottom .list .item:nth-child(2n +2) {
    margin-right: 0;
  }
  .content .bottom .list .item .title {
    font-size: 0.34rem;
    font-weight: bold;
    line-height: 0.34rem;
    color: #ffffff;
    padding-left: 0.1875rem;
    position: relative;
  }
  .content .bottom .list .item .title::after {
    content: "";
    height: 0.32rem;
  }
  .content .bottom .list .item .p {
    padding-left: 0.1875rem;
    font-size: 0.23rem;
    line-height: 0.4rem;
    color: #ffffff;
    opacity: 0.5;
    margin-top: 0.21rem;
    height: 0.6rem;
  }
}