.content {
  width: 1440px;
  margin: 0 auto;
  margin-top: 74px;
  margin-bottom: 230px;
}
.content .title .en {
  font-family: "DINNextLTProBold";
  font-size: 18px;
  color: #D13239;
  line-height: 36px;
  letter-spacing: 5px;
  text-align: center;
}
.content .title .cn {
  font-weight: bold;
  font-size: 36px;
  color: #55565B;
  line-height: 36px;
  letter-spacing: 3px;
  text-align: center;
}
.content .ourHistory {
  width: 100%;
}
.content .ourHistory .p {
  width: 990px;
  margin: 0 auto;
  max-width: 100%;
  font-weight: 400;
  font-size: 20px;
  color: #55565B;
  line-height: 36px;
  letter-spacing: 2px;
  text-align: center;
  margin-top: 80px;
}
.content .ourHistory .p span {
  color: #D13239;
}
.content .history {
  width: 100%;
  margin-top: 90px;
  padding: 110px 0;
  border-top: 1px solid #DCDCDC;
  border-bottom: 1px solid #DCDCDC;
}
.content .history .top {
  font-family: "DINNextLTProBold";
  font-weight: 500;
  font-size: 32px;
  color: #D13239;
  line-height: 19px;
  text-align: center;
}
.content .history .list {
  position: relative;
  margin-top: 50px;
  padding: 60px 0;
}
.content .history .list::before {
  content: '';
  width: 31px;
  height: 31px;
  border-radius: 30px;
  background-color: #fff;
  border: 2px solid #D13239;
  position: absolute;
  top: 0;
  left: calc(50% - 16px);
  z-index: 2;
}
.content .history .list::after {
  content: '';
  width: 22px;
  height: 22px;
  border-radius: 30px;
  background-color: #D13239;
  position: absolute;
  bottom: 0;
  left: calc(50% - 10px);
  z-index: 2;
}
.content .history .list .list-line {
  width: 2px;
  height: 100%;
  background-color: #bababa;
  position: absolute;
  top: 0;
  left: 50%;
}
.content .history .list .item {
  width: 1px;
  height: 290px;
  margin: 0 auto;
  padding: 60px 0;
  position: relative;
  z-index: 2;
}
.content .history .list .item:nth-child(2n + 1) .left {
  align-items: end;
  top: 60px;
  right: auto;
  left: 1px;
}
.content .history .list .item:nth-child(2n + 1) .right {
  top: 60px;
  right: -107px;
  left: auto;
}
.content .history .list .item:nth-child(2n + 1) .right img {
  top: 0;
  left: auto;
  right: 0;
}
.content .history .list .item .left {
  width: 420px;
  height: 290px;
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 60px;
  right: 1px;
  justify-content: center;
}
.content .history .list .item .left .time {
  font-weight: 500;
  font-size: 64px;
  color: #D13239;
  line-height: 64px;
}
.content .history .list .item .left .line {
  width: 100%;
  height: 2px;
  background-color: #bababa;
  margin-top: 30px;
}
.content .history .list .item .left .p {
  max-width: 227px;
  margin-top: 20px;
  font-weight: 400;
  font-size: 12px;
  color: #55565B;
  line-height: 19px;
  letter-spacing: 1px;
}
.content .history .list .item .right {
  width: 705px;
  height: 290px;
  position: absolute;
  top: 60px;
  left: -106px;
}
.content .history .list .item .right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 2s;
  position: absolute;
  top: 0;
  left: 0;
}
.content .history .list .item .right img.init {
  width: 0;
}
.content .history .list .item.active {
  height: 160px;
  padding: 20px 0;
}
.content .history .list .item.active .left {
  height: 160px;
  top: 20px;
}
.content .history .list .item.active .right {
  height: 160px;
}
.content .history .bottom {
  margin-top: 50px;
  text-align: center;
}
.content .history .bottom .year {
  font-family: "DINNextLTProMedium";
  font-weight: 500;
  font-size: 64px;
  color: #D13239;
  line-height: 40px;
}
.content .history .bottom .year span {
  font-size: 50px;
}
.content .history .bottom .p {
  width: 194px;
  margin: 0 auto;
  font-weight: 400;
  font-size: 12px;
  color: #55565B;
  line-height: 19px;
  letter-spacing: 1px;
  margin-top: 20px;
}
@media screen and (max-width: 1660px) {
  .content {
    width: 90%;
    margin: 0 auto;
    margin-top: 74px;
    margin-bottom: 230px;
  }
}
@media screen and (max-width: 1360px) {
  .content .history .list .item .right {
    width: 54.3vw;
    height: 290px;
    position: absolute;
    top: 60px;
    left: -106px;
  }
}
@media screen and (max-width: 1200px) {
  .content .history .list .item .left {
    height: 218px;
  }
  .content .history .list .item .right {
    width: 54.3vw;
    height: 218px;
  }
}
@media screen and (max-width: 980px) {
  .content .history .list .item {
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding: 60px 0;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
  }
  .content .history .list .item .left {
    width: 100%;
    height: 150px;
    display: flex;
    flex-direction: row;
    position: relative;
    top: 0;
    right: 0;
    justify-content: space-between;
    align-items: center;
  }
  .content .history .list .item .left .line {
    width: 100%;
    height: 1px;
    background-color: #666;
    margin-top: 30px;
    position: absolute;
    left: 0;
    bottom: 0;
  }
  .content .history .list .item .right {
    width: 100%;
    height: 200px;
    position: relative;
    top: 0;
    left: 0;
  }
  .content .history .list .item:nth-child(2n + 1) .left {
    align-items: center;
    top: 0;
    right: auto;
    left: 0;
  }
  .content .history .list .item:nth-child(2n + 1) .right {
    top: 0;
    right: 0;
    left: auto;
  }
  .content .history .list .item.active .right {
    height: 0;
  }
  .content .history .list .item .left .p {
    max-width: 45%;
    margin-top: 20px;
    font-weight: 400;
    font-size: 12px;
    color: #55565B;
    line-height: 19px;
    letter-spacing: 1px;
  }
  .content .title .cn {
    font-weight: bold;
    font-size: 32px;
    color: #55565B;
    line-height: 32px;
    letter-spacing: 3px;
    text-align: center;
  }
  .content .ourHistory .p {
    font-weight: 400;
    font-size: 16px;
    color: #55565B;
    line-height: 28px;
    letter-spacing: 2px;
    text-align: center;
    margin-top: 80px;
  }
  .content .history .list .item .left .time {
    font-weight: 500;
    font-size: 50px;
    color: #D13239;
    line-height: 50px;
  }
}
@media screen and (max-width: 680px) {
  .content .history .list .item .right {
    width: 100%;
    height: 100px;
    position: relative;
    top: 0;
    left: 0;
  }
}