.container .top-banner {
  background-image: linear-gradient(to bottom, #005bac, #5b96fc);
  color: #fff;
}
.container .top-banner img {
  width: 100%;
}
.container .top-banner .wrap {
  max-width: 1920px;
}
.container .aboutus .title-black {
  font-size: 36px;
  margin-top: 60px;
  font-family: 'USHei';
}
.container .aboutus .a1-block1 .block1-item {
  margin: 0 220px;
  color: #070707;
}
.container .aboutus .a1-block1 .block1-item p {
  margin-bottom: 38px;
  line-height: 32px;
  letter-spacing: 3px;
  font-size: 18px;
}
.container .aboutus .a1-block1 .block1-item__en {
  color: #e9e9e9;
  font-size: 68px;
  font-weight: normal;
  letter-spacing: 3px;
}
.container .aboutus .a1-block1 .block1-item__coin {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}
.container .aboutus .a1-block1 .block1-item__coin .coin-item {
  width: 150px;
  height: 150px;
  line-height: 150px;
  color: #e9e9e9;
  border-radius: 50%;
  text-align: center;
  font-size: 120px;
  border: 8px solid #e9e9e9;
}
.container .aboutus .a1-block2 .title-black {
  margin-bottom: 50px;
}
.container .aboutus .a1-block2 .title-desc {
  text-align: center;
  letter-spacing: 2px;
}
.container .aboutus .a1-block2 .block2-item {
  margin-top: 40px;
  background-color: #3b86ec;
}
.container .aboutus .a1-block2 .block2-item__image {
  height: 480px;
}
.container .aboutus .a1-block2 .block2-item__content .content-item {
  display: flex;
  align-items: center;
  font-size: 20px;
  color: #fff;
  padding: 8px 0;
  letter-spacing: 4px;
}
.container .aboutus .a1-block2 .block2-item__content .content-item img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}
.container .aboutus .a1-block2 .block2-item__content .content-bottom {
  color: #fff;
  font-size: 32px;
  font-family: 'USHei';
  margin-top: 30px;
  letter-spacing: 2px;
}
.container .aboutus .a1-block2 .block2-item .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.container .aboutus .a1-block3 .process-view__item {
  position: relative;
  padding-bottom: 50px;
}
.container .aboutus .a1-block3 .process-view__item::before,
.container .aboutus .a1-block3 .process-view__item::after {
  position: absolute;
  content: '';
  display: block;
}
.container .aboutus .a1-block3 .process-view__item::before {
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0077af;
  z-index: 2;
}
.container .aboutus .a1-block3 .process-view__item::after {
  top: 0;
  bottom: 0;
  width: 6px;
  background: #cecfcf;
  z-index: 1;
}
.container .aboutus .a1-block3 .process-view__item.l {
  text-align: right;
  margin-right: 50%;
  padding-right: 40px;
}
.container .aboutus .a1-block3 .process-view__item.l::before {
  right: -9px;
}
.container .aboutus .a1-block3 .process-view__item.l::after {
  right: -3px;
}
.container .aboutus .a1-block3 .process-view__item.r {
  margin-left: 50%;
  padding-left: 40px;
}
.container .aboutus .a1-block3 .process-view__item.r::before {
  left: -9px;
}
.container .aboutus .a1-block3 .process-view__item.r::after {
  left: -3px;
}
.container .aboutus .a1-block3 .process-view__item .item-year {
  font-size: 18px;
  font-weight: normal;
  line-height: 1;
}
.container .aboutus .a1-block3 .process-view__item .item-desc {
  font-size: 14px;
  line-height: 24px;
  margin-top: 4px;
}
.container .aboutus .a1-block3 .process-view__item:last-child::after {
  display: none;
}
.container .aboutus .a1-block4 {
  margin-top: 20px;
  margin-bottom: 20px;
}
.container .aboutus .a1-block4 .wrap {
  position: relative;
  max-width: 1920px;
}
.container .aboutus .a1-block4 .wrap .title-black {
  position: absolute;
  top: 0;
  left: auto;
  right: 30px;
  transform: none;
}
.container .aboutus .a1-block4 .wrap .title-black.blue-line::before {
  left: auto;
  left: 100%;
  transform: translateX(-100%);
}
.container .aboutus .a1-block4 .wrap .culture-view {
  width: 100%;
}
.container .aboutus .a1-block5 {
  margin-bottom: 100px;
}
.container .aboutus .a1-block5 .advantage-list {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}
.container .aboutus .a1-block5 .advantage-list__item {
  width: 30%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #aad0e2;
  border-radius: 10px;
  padding: 50px 0;
  box-shadow: 0 5px 11px 2px rgba(0, 0, 0, 0.03);
}
.container .aboutus .a1-block5 .advantage-list__item img {
  height: 120px;
}
.container .aboutus .a1-block5 .advantage-list__item .item-title {
  font-size: 52px;
  font-weight: normal;
  font-family: 'USHei';
  margin-top: 50px;
  margin-bottom: 20px;
}
.container .aboutus .a1-block5 .advantage-list__item .item-desc {
  font-size: 24px;
  line-height: 42px;
}
.container .aboutus .a1-block5 .advantage-list__item .item-more {
  color: #699FFF;
  font-size: 28px;
  font-weight: normal;
  font-family: 'USHei';
  margin-top: 30px;
}
.container .pd-20 {
  padding-bottom: 25px;
}
.container .s-arrow {
  position: absolute;
  left: -46px;
  top: 80px;
  float: left;
  margin-left: 50px;
}
.container .s-arrow span:nth-of-type(1) {
  display: inline-block;
  font-size: 30px;
  transform: rotate(270deg);
  color: #dcdcdc;
  cursor: pointer;
}
.container .s-arrow span:nth-of-type(2) {
  display: inline-block;
  font-size: 30px;
  transform: rotate(-270deg);
  margin-left: 15px;
  color: #4286f3;
  cursor: pointer;
}