@charset "utf-8";
/* CSS Document */

.section1 {background: url(../images/historybg.jpg) no-repeat center; background-attachment: fixed;}

.section1 .wrap {
  /* width: 930px; */
  width: 1024px;
  margin: 0 auto;
  padding-top: 110px;
  padding-bottom: 160px;
}

.section1 .wrap .title {
  text-align: center;
  margin-bottom: 80px;
}

.section1 .wrap .title h3 {
  color: #376dcd;
  /* font-size: 34px; */
  font-size: 36px;
  margin-bottom: 10px;
}

.section1 .wrap .title div:nth-child(2).aos-animate {
  transition-delay: 0.1s;
}

.section1 .wrap .title p {
  color: #1a1a1a;
  /* font-size: 20px; */
  font-size: 22px;
}

.section1 .wrap .main {
  display: flex;
  justify-content: space-between;
  padding-bottom: 40px;
  position: relative;
}

.section1 .wrap .main .left {
  /* display: flex; */
  /* justify-content: space-between; */
  /* flex-wrap: wrap; */
  width: 100%;

}

.section1 .wrap .main .item {
  /* width: 350px; */
  width: 432px;
  position: relative;
}

.section1 .wrap .main .item.active .time {
  background-color: #376dcd;
  color: #fff;
}

.section1 .wrap .main .item.active .time .after {
  opacity: 1;
}

.section1 .wrap .main .item:nth-child(2n) {
  margin: 0 0 0 auto;
}

.section1 .wrap .main .item:nth-child(2n) .time {
  left: -122px;
  right: auto;
}

.section1 .wrap .main .item:nth-child(2n) .time .after {
  border-right-color: transparent;
  border-left-color: #376dcd;
  left: auto;
  right: -25px;
}

.section1 .wrap .main .item:not(:last-child) {
  margin-bottom: 80px;
}

.section1 .wrap .main .item .time {
  /* color: #376dcd; */
  /* font-size: 34px; */
  font-size: 24px;
  transition: all .5s;
  margin-bottom: 10px;
  position: absolute;
  right: -122px;
  color: #fff;
  padding: 15px;
  /* top: 25px; */
  background-color: #eee;
  color: #b4b4b4;
}

.section1 .wrap .main .item .time .after {
  content: "";
  width: 0;
  height: 0;
  display: block;
  border: 15px solid transparent;
  border-right-color: #376dcd;
  position: absolute;
  left: -25px;
  transition: all .5s;
  opacity: 0;
  top: 50%;
  z-index: -1;
  transform: translateY(-50%);
}

.section1 .wrap .main .item .text {
  color: #333;
  /* font-size: 18px; */
  font-size: 20px;
  /* line-height: 28px; */
  line-height: 32px;
  margin-bottom: 10px;
}

.section1 .wrap .main .item .img {
  width: 324px;
}

.section1 .wrap .main .item .img img {
  width: 100%;
}

/* .section1 .wrap .main .right {
  padding-top: 230px;
} */
.section1 .wrap .main .linebox {
  width: 1px;
  height: 100%;
  position: absolute;
  left: 50%;
  z-index: -1;
  background-color: #E2E2E2;
}

.section1 .wrap .main .linebox .line {
  width: 1px;
  height: 100%;
  transform-origin: top;
  transform: scaleY(0);
  background-color: #376dcd;
}

@media screen and (max-width: 1919px) {
  .section1 .wrap {
    width: 53.3333333333vw;
    padding-top: 5.7291666667vw;
    padding-bottom: 8.3333333333vw;
  }

  .section1 .wrap .title {
    margin-bottom: 4.1666666667vw;
  }

  .section1 .wrap .title h3 {
    font-size: 1.875vw;
    margin-bottom: 0.5208333333vw;
  }

  .section1 .wrap .title p {
    font-size: 1.1458333333vw;
  }

  .section1 .wrap .main {
    padding-bottom: 2.0833333333vw;
  }

  .section1 .wrap .main .item {
    width: 22.5vw;
  }

  .section1 .wrap .main .item:nth-child(2n) .time {
    left: -6.3541666667vw;
  }

  .section1 .wrap .main .item:nth-child(2n) .time .after {
    right: -1.3020833333vw;
  }

  .section1 .wrap .main .item:not(:last-child) {
    margin-bottom: 4.1666666667vw;
  }

  .section1 .wrap .main .item .time {
    font-size: 1.25vw;
    margin-bottom: 0.5208333333vw;
    right: -6.3541666667vw;
    padding: 0.78125vw;
  }

  .section1 .wrap .main .item .time .after {
    border-width: 0.78125vw;
    left: -1.3020833333vw;
  }

  .section1 .wrap .main .item .text {
    font-size: 1.0416666667vw;
    line-height: 1.6666666667vw;
    margin-bottom: 0.5208333333vw;
  }

  .section1 .wrap .main .item .img {
    width: 16.875vw;
  }
}
@media screen and (max-width: 1024px) {
  .section1 .wrap{
    padding-top: 60px;
    padding-bottom: 60px;
    width: 90%;
  }
  .section1 .wrap .main .item .text{
    font-size: 14px;
    line-height: 2;
  }
  .section1 .wrap .title h3 {
    font-size: 28px;
    margin-bottom: 0;
  }
  .section1 .wrap .title{
    margin-bottom: 30px;
  }
  .section1 .wrap .main .item .time{
    position: relative;
    left: 0;
    right: 0;
    top: 0;
    width: fit-content;
    margin-bottom: 0;
    height: fit-content;
    margin-right: 30px;
    font-size: 18px;
    padding: 5px 10px;
  }
  .section1 .wrap .main .item:nth-child(2n) .time{
    left: 0;
  }
  .section1 .wrap .main .item{
    display: flex;
  }
  .section1 .wrap .main .item:nth-child(2n){
    margin-left: 0;
  }
  .section1 .wrap .main .item{
    width: 100%;
  }
  .section1 .wrap .main .item .text{
    margin-bottom: 0;
  }
  .section1 .wrap .main .item .img{
    width: 40vw;
    margin-top: 10px;
  }
  .section1 .wrap .main .item .time .after{
    border-right-color:transparent ;
    border-left-color:#376dcd ;
    left: auto;
    right: -15px;
  }
  .section1 .wrap .main .linebox{
    left: 30px;
  }
  .section1 .wrap .main .item .time .after {
    border-width: 10px;
  }
  .section1 .wrap .main .item:nth-child(2n) .time .after{
    right: -15px;
  }
  .section1 .wrap .main .item .img img{
    display:block;
  }
  .section1 .wrap .main .item:not(:last-child){
    margin-bottom: 40px;
  }
}

@media screen and (max-width: 767px) {
  .section1 .wrap .main .item .img{
    width: 100%;
  }
  .section1 .wrap .main .item .time{
    margin-right: 20px;
  }
  .section1 .wrap{
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .section1 .wrap .title h3{
    font-size: 24px;
  }
}