.banner {
  min-width: 1400px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.banner .swiper {
  margin: 0 auto;
  display: block;
  width: 1920px;
  height: 805px;
}
.banner .swiper .swiper-wrapper .swiper-slide {
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.banner .swiper .swiper-wrapper .swiper-slide a {
  width: 1920px;
}
.banner .swiper .swiper-wrapper .swiper-slide a img {
  width: 1920px;
  height: 100%;
  object-fit: cover;
}
.banner .swiper .swiper-button {
  top: 50%;
}
.banner .swiper .swiper-button::after {
  content: "";
}
.banner .swiper .swiper-button img {
  display: block;
  width: 47px;
  height: 47px;
}
.banner .swiper .swiper-button-next {
  right: 50%;
  transform: translate(724px, -50%);
}
.banner .swiper .swiper-button-prev {
  left: 50%;
  transform: translate(-724px, -50%);
}
.banner .swiper .swiper-pagination {
  bottom: 65px;
}
.banner .swiper .swiper-pagination .swiper-pagination-bullet {
  margin: 0 6px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  opacity: 1;
}
.banner .swiper .swiper-pagination .swiper-pagination-bullet-active {
  background: #1C4AB2;
}
@media screen and (max-width: 1470px) {
  .banner .swiper .swiper-button-prev {
    left: 0;
    transform: translate(10px, -50%);
  }
  .banner .swiper .swiper-button-next {
    right: 0;
    transform: translate(-10px, -50%);
  }
}
.headline {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 46px;
  color: #333333;
  text-align: center;
}
.more {
  display: block;
  padding: 5px 0 0 0;
  width: 75px;
  height: 39px;
  background: url(../images/more_bg.png) no-repeat center / 100%;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 18px;
  color: #1C4AB2;
  text-align: center;
}
.part1 {
  padding: 77px 0 41.5px;
}
.part1 .layout .box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  margin-top: 57px;
}
.part1 .layout .box::before {
  content: "";
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  height: 2px;
  background: #1C4AB2;
  z-index: 0;
}
.part1 .layout .box .item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.part1 .layout .box .item .icon {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #4a90e2 0%, #1c4ab2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.part1 .layout .box .item .icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}
.part1 .layout .box .item .title {
  margin-top: 20px;
  font-size: 18px;
  color: #333;
  text-align: center;
}
.part1 .layout .box .arrow {
  position: relative;
  z-index: 999;
  margin: -43px 40px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part1 .layout .box .arrow img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}
.part2 {
  padding: 41.5px 0 84px;
}
.part2 .layout .box {
  margin-top: 37px;
}
.part2 .layout .box .tab {
  display: flex;
  justify-content: center;
}
.part2 .layout .box .tab li {
  padding: 12px 40px;
  border-radius: 6px 6px 6px 6px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  cursor: pointer;
}
.part2 .layout .box .tab li.on {
  background: #1C4AB2;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 18px;
  color: #FFFFFF;
}
.part2 .layout .box .contentbox {
  margin-top: 57px;
}
.part2 .layout .box .contentbox .content {
  position: relative;
}
.part2 .layout .box .contentbox .content ul li {
  float: left;
  margin-right: 24px;
  margin-top: 35px;
  padding: 20px;
  background: #EFF6FF;
  border-radius: 20px 20px 20px 20px;
}
.part2 .layout .box .contentbox .content ul li:nth-child(4n) {
  margin-right: 0;
}
.part2 .layout .box .contentbox .content ul li:nth-child(1),
.part2 .layout .box .contentbox .content ul li:nth-child(2),
.part2 .layout .box .contentbox .content ul li:nth-child(3),
.part2 .layout .box .contentbox .content ul li:nth-child(4) {
  margin-top: 0;
}
.part2 .layout .box .contentbox .content ul li:hover .imgbox .button {
  opacity: 1;
}
.part2 .layout .box .contentbox .content ul li .imgbox {
  position: relative;
  width: 292px;
  height: 326px;
  overflow: hidden;
}
.part2 .layout .box .contentbox .content ul li .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.part2 .layout .box .contentbox .content ul li .imgbox .button {
  opacity: 0;
  position: absolute;
  bottom: 38px;
  left: 50%;
  transform: translateX(-50%);
  display: block;
  padding: 10px 37px;
  width: fit-content;
  background: #1C4AB2;
  border-radius: 24px 24px 24px 24px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 18px;
  color: #FFFFFF !important;
  transition: all .3s;
}
.part2 .layout .box .contentbox .content ul li h1 {
  margin-top: 17px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 30px;
  color: #1C4AB2;
  text-align: center;
}
.part2 .layout .box .contentbox .content ul li p {
  margin-top: 12px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 18px;
  color: #000000;
  text-align: center;  
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
  width: 290px;
  min-height: 48px;
}