.main-1 .content {
  position: relative;
}
.main-1 .page-title {
  position: absolute;
  top: 0;
  left: 0;
}
.main-1 .h {
  display: flex;
}
.main-1 .h p {
  margin-left: auto;
  width: 48.5rem;
  line-height: 1.6;
}
.main-1 .b {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
}
.main-1 .b .lab {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 4rem 4rem;
  background-image: url("../images/a\ \(3\).png");
  background-size: 100%;
  background-color: #FAFAFA;
}
.main-1 .b .lab .item {
  position: relative;
  width: 8.2rem;
  border-bottom: 2px solid #ccc;
  text-align: center;
  padding-bottom: 1.5rem;
  margin-bottom: 5rem;
}
.main-1 .b .lab .item:nth-of-type(3),
.main-1 .b .lab .item:nth-of-type(4) {
  margin-bottom: 0;
}
.main-1 .b .lab .item::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  border-bottom: 2px solid transparent;
}
.main-1 .b .lab .item:hover::after {
  border-color: #333;
}
.main-1 .b .lab .item p {
  font-size: 0.6rem;
  vertical-align: top;
  text-align: center;
}
.main-1 .b .lab .item p span {
  display: inline-block;
  margin-top: -0.3rem;
  margin-right: 0.3rem;
  vertical-align: top;
  font-size: 1.8rem;
  line-height: 1.2;
  font-weight: bold;
}
.main-1 .b .img {
  width: 48.5rem;
  flex-shrink: 0;
}
.main-1 .con {
  display: flex;
  padding: 4.5rem 0;
}
.main-1 .con .item {
  flex: 1;
  position: relative;
}
.main-1 .con .item > img {
  width: 100%;
}
.main-1 .con .item .text {
  position: absolute;
  bottom: -6rem;
  left: 50%;
  width: calc(100% - 4rem);
  min-height: 18rem;
  padding: 3rem 4rem;
  transform: translateX(-50%);
  background-color: #fff;
  box-shadow: 0 0 1rem 0 rgba(231, 230, 230, 0.5);
}
.main-1 .con .item .text h6 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}
.main-1 .con .item .text p {
  line-height: 1.6;
  text-align: center;
}
.main-2 .content .top {
  margin-bottom: 1.6rem;
}
.main-2 .content .top .swiper-slide {
  position: relative;
  display: flex;
  height: 29.2rem;
  background-image: url("../images/a\ \(1\).png");
  background-size: cover;
  background-color: #143773;
  padding: 5rem 4rem;
}
.main-2 .content .top .swiper-slide * {
  color: #fff;
}
.main-2 .content .top .swiper-slide .t h6 {
  font-size: 3.2rem;
  margin-bottom: 0.5rem;
}
.main-2 .content .top .swiper-slide .t p {
  font-size: 2rem;
}
.main-2 .content .top .swiper-slide .txt {
  font-size: 1.4rem;
  line-height: 1.6;
  margin-left: 9rem;
}
.main-2 .content .top .swiper-button-wrap {
  position: absolute;
  top: 5rem;
  right: 4rem;
  display: flex;
  flex-direction: column;
}
.main-2 .content .top .swiper-button-wrap .swiper-button {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: #fff;
  margin-bottom: 0.8rem;
}
.main-2 .content .top .swiper-button-wrap .swiper-button::after {
  color: #333;
}
.main-2 .content .top .swiper-button-wrap .swiper-button:hover {
  background-color: #333;
}
.main-2 .content .top .swiper-button-wrap .swiper-button:hover::after {
  color: #fff;
}
.main-2 .content .bottom {
  border-bottom: 2px solid #333;
}
.main-2 .content .bottom .swiper-slide {
  position: relative;
  font-size: 1.6rem;
  color: #999;
  text-align: center;
  padding-bottom: 1.5rem;
}
.main-2 .content .bottom .swiper-slide::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  height: 0.5rem;
  border-left: 2px solid #333;
}
.main-2 .content .bottom .swiper-slide.swiper-slide-thumb-active {
  color: #333;
}
.main-3 {
  position: relative;
  background-image: url("../images/b1.jpg");
  background-size: cover;
  background-color: #F8F1F3;
}
.main-3::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../images/b.png");
  background-size: cover;
  z-index: 1;
}
.main-3 .page-title {
  position: relative;
  z-index: 2;
}
.main-3 .content {
  position: relative;
  padding-bottom: 2.5rem;
  z-index: 2;
}
.main-3 .content .swiper {
  height: calc(9.5rem * 2 + 30px);
}
.main-3 .content .swiper .swiper-pagination {
  bottom: 0;
}
.main-3 .content .swiper-slide {
  height: 9.5rem;
  background-color: #fff;
  display: flex;
}
.main-3 .content .swiper-slide img {
  margin: auto;
}
.main-3 .content .swiper-pagination span {
  width: 0.7rem;
  height: 0.7rem;
  margin: 0 0.3rem;
  border-radius: 50%;
}
.main-3 .content .swiper-pagination span.swiper-pagination-bullet-active {
  background-color: #333;
}
.main-4 .page-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.main-4 .content {
  display: flex;
  flex-wrap: wrap;
  display: none;
}
.main-4 .content .item {
  width: calc((100% - (4 - 1) * 2rem) / 4);
  margin-right: 2rem;
  margin-bottom: 2rem;
}
.main-4 .content .item:nth-of-type(4n) {
  margin-right: 0;
}
.main-4 .content.active {
  display: flex;
}
@media screen and (max-width: 768px) {
  .main-1 .page-title {
    position: initial;
  }
  .main-1 .content .b {
    flex-direction: column;
    margin-top: 0;
  }
  .main-1 .content .b .lab {
    padding: 1rem;
    margin: 1rem 0;
  }
  .main-1 .content .b .lab .item {
    margin-bottom: 2rem;
  }
  .main-1 .content .b .img {
    width: 100%;
  }
  .main-1 .con {
    flex-direction: column;
    padding: 2rem 0;
  }
  .main-1 .con .item {
    flex: none;
    width: 100%;
  }
  .main-1 .con .item .text {
    top: 50%;
    bottom: auto;
    width: 80%;
    padding: 1rem;
    min-height: auto;
    transform: translate(-50%, -50%);
  }
  .main-1 .con .item .text h6 {
    font-size: 1.2rem;
  }
  .main-2 {
    padding-top: 0;
  }
  .main-2 .content .top .swiper-slide {
    padding: 1rem;
    flex-direction: column;
    height: auto;
  }
  .main-2 .content .top .swiper-slide .t {
    margin-bottom: 2rem;
  }
  .main-2 .content .top .swiper-slide .t h6 {
    font-size: 1.2rem;
  }
  .main-2 .content .top .swiper-slide .t p {
    font-size: 1rem;
  }
  .main-2 .content .top .swiper-slide .txt {
    margin-left: 0;
    font-size: 1rem;
  }
  .main-2 .content .top .swiper-button {
    display: none;
  }
  .main-2 .content .bottom .swiper-slide {
    font-size: 1rem;
  }
  .main-3 .content .swiper {
    height: calc(10px + 6.5rem * 2);
  }
  .main-3 .content .swiper-slide {
    height: 6.5rem;
  }
  .main-4 .page-title {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .main-4 .page-title .tabs {
    margin-top: 2rem;
  }
  .main-4 .page-title .tabs a {
    width: 6rem;
    height: 2rem;
    line-height: 2rem;
    font-size: 0.8rem;
  }
  .main-4 .content {
    justify-content: space-between;
  }
  .main-4 .content .item {
    width: 48%;
    margin-right: 0;
  }
}