.main-1 .t {
  padding-bottom: 2rem;
  border-bottom: 0.1rem solid #000;
  margin-bottom: 1.5rem;
}
.main-1 .t h2 {
  font-size: 2rem;
}
.main-1 .content {
  display: flex;
  gap: 8.5rem;
}
.main-1 .l {
  flex: 1;
}
.main-1 .l .des h6 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.main-1 .l .des,
.main-1 .l .des p {
  line-height: 1.6;
  font-size: 0.8rem;
  color: #666;
}
.main-1 .l .items {
  margin-top: 2.5rem;
}
.main-1 .l .items .link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid #000;
}
.main-1 .l .items .link i {
  position: relative;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
}
.main-1 .l .items .link i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
  transform: translate(-50%, -50%) rotate(90deg);
}
.main-1 .l .items .submenu {
  padding-top: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #666;
}
.main-1 .r {
  flex-shrink: 0;
  width: 44.5rem;
}
.main-1 .r .swiper {
  padding-bottom: 2rem;
}
.main-1 .r .swiper-slide {
  position: relative;
}
.main-1 .r .swiper-slide::before {
  content: "";
  display: block;
  padding-top: calc(100% / 890 * 500);
}
.main-1 .r .swiper-slide img,
.main-1 .r .swiper-slide video {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-1 .r .imgs {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background-color: #f7f9fa;
}
.main-2 {
  background-color: #222b34;
  background-image: url("../images/a-b2.jpg");
}
.main-2 * {
  color: #fff;
}
.main-2 .tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
.main-2 .tabs .item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
  cursor: pointer;
}
.main-2 .tabs .item::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 50%;
  z-index: -1;
  border-bottom: 1px solid #fff;
  background: linear-gradient(0deg, rgba(231, 142, 38, 0.2) 0%, rgba(231, 142, 38, 0) 100%);
  opacity: 0;
  transition: all ease 0.3s;
}
.main-2 .tabs .item.active::after,
.main-2 .tabs .item:hover::after {
  opacity: 1;
}
.main-2 .tabs .item .i {
  width: 5rem;
  height: 5rem;
}
.main-2 .tabs .item .i img {
  width: 90%;
}
.main-2 .tabs .item p {
  font-size: 1.2rem;
  padding: 1.5rem 0;
}
.main-2 .tabs-con {
  margin-top: 5rem;
}
.main-2 .tabs-con .wrap {
  display: none;
  gap: 8rem;
}
.main-2 .tabs-con .wrap.active {
  display: flex;
}
.main-2 .tabs-con .txt {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.main-2 .tabs-con .txt .t h6 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}
.main-2 .tabs-con .txt .t p {
  line-height: 1.4;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}
.main-2 .tabs-con .txt .b {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
}
.main-2 .tabs-con .txt .b p {
  font-size: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
.main-2 .tabs-con .txt .b span {
  font-size: 0.8rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.8);
}
.main-2 .tabs-con .ph {
  flex-shrink: 0;
  width: 44.5rem;
}
.main-2 .tabs-con .swiper-slide .img-auto::before {
  padding-top: calc(100% / 890 * 520);
}
.main-2 .tabs-con .swiper-pagination-bullet {
  border-color: #fff;
}
.main-2 .tabs-con .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #fff !important;
}
.main-3 .tit {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
}
.main-3 .tit .main-title {
  margin-bottom: 0;
}
.main-3 .content {
  position: relative;
}
.main-3 .content::after {
  content: "";
  position: absolute;
  bottom: 0.45rem;
  left: 50%;
  width: calc(100% + 4rem);
  border-bottom: 0.1rem solid #e3e7e8;
  transform: translateX(-50%);
}
.main-3 .content::before {
  content: "";
  position: absolute;
  bottom: 0.5rem;
  left: calc(100% + 2rem);
  border-left: 1rem solid #e3e7e8;
  border-top: 0.5rem solid transparent;
  border-bottom: 0.5rem solid transparent;
  transform: translateY(50%);
}
.main-3 .swiper {
  padding-bottom: 2rem;
}
.main-3 .swiper-slide {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.8rem 1rem;
  background-color: #f7f9fa;
}
.main-3 .swiper-slide::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  border-top: 0.5rem solid #f7f9fa;
  border-left: 0.5rem solid transparent;
  border-right: 0.5rem solid transparent;
  transform: translateX(-50%);
}
.main-3 .swiper-slide::before {
  content: "";
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  border: 0.1rem solid #acacac;
  background-color: #fff;
  transform: translateX(-50%);
}
.main-3 .swiper-slide:hover {
  background-color: var(--color-c1);
}
.main-3 .swiper-slide:hover::after {
  border-top-color: var(--color-c1);
}
.main-3 .swiper-slide:hover::before {
  border-color: var(--color-c1);
}
.main-3 .swiper-slide:hover * {
  color: #fff !important;
}
.main-3 .swiper-slide h6 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.main-3 .swiper-slide p {
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #666;
  margin-bottom: 2rem;
}
.main-3 .swiper-slide span {
  font-size: 0.7rem;
}
.main-4 {
  padding-bottom: 0;
  background-color: #1d252e;
  background-image: url("../images/a-b2.png");
}
.main-4 .t .swiper-slide {
  display: flex;
  align-items: center;
  gap: 14.5rem;
}
.main-4 .t .swiper-slide .l {
  flex-shrink: 0;
  width: 40.5rem;
  font-size: 1.2rem;
  line-height: 1.6;
  text-align: justify;
  color: rgba(255, 255, 255, 0.8);
}
.main-4 .t .swiper-slide .r {
  flex: 1;
}
.main-4 .t .swiper-slide .r p {
  font-size: 1.2rem;
  color: #fff;
  text-align: center;
  margin-top: 1.6rem;
}
.main-4 .b {
  position: relative;
  margin-top: 8rem;
}
.main-4 .b .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  height: 4.5rem;
  color: #fff;
  cursor: pointer;
}
.main-4 .b .swiper-slide.swiper-slide-thumb-active {
  background: linear-gradient(0deg, rgba(231, 142, 38, 0.2) 0%, rgba(231, 142, 38, 0) 100%);
}
.main-4 .b .swiper-button {
  margin: 0;
  border: none;
  transform: translateY(-50%);
}
.main-4 .b .swiper-button-prev {
  left: -4rem;
}
.main-4 .b .swiper-button-next {
  right: -4rem;
}
.main-5 .content {
  display: flex;
  gap: 8.5rem;
}
.main-5 .l {
  flex: 1;
}
.main-5 .l .des h6 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.main-5 .l .des,
.main-5 .l .des p {
  line-height: 1.6;
  font-size: 0.8rem;
  color: #666;
}
.main-5 .l .items {
  margin-top: 2.5rem;
}
.main-5 .l .items .link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid #000;
}
.main-5 .l .items .link i {
  position: relative;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
}
.main-5 .l .items .link i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
  transform: translate(-50%, -50%) rotate(90deg);
}
.main-5 .l .items .submenu {
  padding-top: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #666;
}
.main-5 .r {
  flex-shrink: 0;
  width: 44.5rem;
}
.main-5 .r .swiper {
  padding-bottom: 2rem;
}
.main-5 .r .swiper-slide {
  position: relative;
}
.main-5 .r .swiper-slide::before {
  content: "";
  display: block;
  padding-top: calc(100% / 890 * 500);
}
.main-5 .r .swiper-slide img,
.main-5 .r .swiper-slide video {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-5 .r .imgs {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background-color: #f7f9fa;
}
.main-6 {
  background-color: #222b34;
}
.main-6 .content {
  padding-left: var(--padding);
}
.main-6 .swiper-slide {
  position: relative;
  padding-bottom: 5rem;
}
.main-6 .swiper-slide::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  transition: all ease 0.3s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1;
}
.main-6 .swiper-slide:hover::after {
  border-color: #ffffff;
}
.main-6 .swiper-slide:hover .txt {
  bottom: 0;
  transform: translateY(0);
}
.main-6 .swiper-slide:hover .txt h6 {
  height: 3rem;
}
.main-6 .swiper-slide .img-auto::before {
  padding-top: calc(100% / 320 * 465);
}
.main-6 .swiper-slide .txt {
  position: absolute;
  bottom: 5rem;
  left: 0;
  width: 100%;
  background: rgba(34, 43, 52, 0.8);
  backdrop-filter: blur(20px);
  transform: translateY(100%);
}
.main-6 .swiper-slide .txt h6 {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 5rem;
  color: #ffffff;
}
.main-6 .swiper-slide .txt p {
  padding: 0 1.5rem 2rem;
  text-align: center;
  line-height: 1.4;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}
.main-7 .tit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}
.main-7 .tit .main-title {
  margin-bottom: 0;
}
.main-7 .content {
  display: flex;
  gap: 8.5rem;
}
.main-7 .l {
  flex: 1;
}
.main-7 .l .des h6 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.main-7 .l .des,
.main-7 .l .des p {
  line-height: 1.6;
  font-size: 0.8rem;
  color: #666;
}
.main-7 .l .items {
  margin-top: 2.5rem;
}
.main-7 .l .items .link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid #000;
}
.main-7 .l .items .link i {
  position: relative;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
}
.main-7 .l .items .link i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.5rem;
  height: 0.1rem;
  background-color: var(--color-c1);
  transform: translate(-50%, -50%) rotate(90deg);
}
.main-7 .l .items .submenu {
  padding-top: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #666;
}
.main-7 .r {
  flex-shrink: 0;
  width: 44.5rem;
}
.main-7 .r .swiper {
  padding-bottom: 2rem;
}
.main-7 .r .swiper-slide {
  position: relative;
}
.main-7 .r .swiper-slide::before {
  content: "";
  display: block;
  padding-top: calc(100% / 890 * 500);
}
.main-7 .r .swiper-slide img,
.main-7 .r .swiper-slide video {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-7 .r .imgs {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background-color: #f7f9fa;
}
@media screen and (max-width: 768px) {
  .main-1 .t {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
  }
  .main-1 .t h2 {
    font-size: 1.4rem;
  }
  .main-1 .content {
    flex-direction: column;
    gap: 1rem;
  }
  .main-1 .l .des h6 {
    margin-bottom: 0.5rem;
  }
  .main-1 .l .items {
    margin-top: 1rem;
  }
  .main-1 .r {
    width: 100%;
  }
  .main-1 .r .swiper-slide {
    height: auto;
  }
  .main-2 .tabs {
    overflow-x: auto;
    overflow-y: hidden;
    gap: 1rem;
  }
  .main-2 .tabs .item .i {
    width: 3rem;
    height: 3rem;
  }
  .main-2 .tabs .item p {
    font-size: 0.8rem;
    white-space: nowrap;
    padding: 0.5rem 0;
  }
  .main-2 .tabs-con {
    margin-top: 2rem;
  }
  .main-2 .tabs-con .wrap {
    flex-direction: column;
    gap: 1rem;
  }
  .main-2 .tabs-con .txt .t h6 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  .main-2 .tabs-con .txt .b {
    margin-top: 1rem;
    gap: 1rem;
  }
  .main-2 .tabs-con .ph {
    width: 100%;
  }
  .main-3 .tit {
    margin-bottom: 2rem;
  }
  .main-3 .swiper-slide {
    padding: 1rem;
  }
  .main-3 .swiper-slide h6 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  .main-4 .t .swiper-slide {
    flex-direction: column;
    gap: 1rem;
  }
  .main-4 .t .swiper-slide > div {
    width: 100% !important;
  }
  .main-4 .t .swiper-slide .l {
    font-size: 0.8rem;
  }
  .main-4 .b {
    margin-top: 3rem;
  }
  .main-4 .b .swiper-slide {
    height: 2rem;
    font-size: 0.8rem;
  }
  .main-5 .content {
    flex-direction: column;
    gap: 1rem;
  }
  .main-5 .l .des h6 {
    margin-bottom: 0.5rem;
  }
  .main-5 .l .items {
    margin-top: 1rem;
  }
  .main-5 .r {
    width: 100%;
  }
  .main-5 .r .swiper-slide {
    height: auto;
  }
  .main-6 .content {
    padding: 0 0.5rem;
  }
  .main-6 .swiper-slide {
    padding-bottom: 3rem;
  }
  .main-6 .swiper-slide .txt {
    bottom: 3rem;
  }
  .main-6 .swiper-slide .txt h6 {
    height: 3rem;
  }
  .main-6 .swiper-slide .txt p {
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: 1rem;
  }
  .main-7 .tit {
    margin-bottom: 2rem;
  }
  .main-7 .content {
    flex-direction: column;
    gap: 1rem;
  }
  .main-7 .l .des h6 {
    margin-bottom: 0.5rem;
  }
  .main-7 .l .items {
    margin-top: 1rem;
  }
  .main-7 .r {
    width: 100%;
  }
  .main-7 .r .swiper-slide {
    height: auto;
  }
}
