.main-1 {
  padding-bottom: 0;
}
.main-1 .tabs {
  display: flex;
  justify-content: center;
}
.main-1 .tabs .item {
  padding: 0 3rem;
  border-bottom: 1px solid #e8e8e8;
  cursor: pointer;
}
.main-1 .tabs .item:hover p::after,
.main-1 .tabs .item.active p::after {
  opacity: 1;
}
.main-1 .tabs .item .i {
  width: 3.1rem;
  height: 3.1rem;
  margin: 0 auto;
}
.main-1 .tabs .item .i img {
  width: 90%;
}
.main-1 .tabs .item p {
  position: relative;
  padding: 0.7rem 0;
}
.main-1 .tabs .item p::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-c1);
  opacity: 0;
  transition: all ease 0.3s;
}
.main-1 .tabs-con {
  margin-top: 1.8rem;
}
.main-1 .tabs-con > div {
  display: none;
  max-width: 50rem;
  margin: 0 auto;
}
.main-1 .tabs-con > div,
.main-1 .tabs-con > div * {
  text-align: center;
  line-height: 1.6;
  color: #666;
}
.main-1 .tabs-con > div.active {
  display: block;
}
.main-1 .content {
  margin-top: 3rem;
}
.main-1 .swiper .swiper-slide .img-auto::before {
  padding-top: calc(100% / 1020 * 590);
}
.main-2 {
  padding-bottom: 0;
}
.main-2 .content {
  position: relative;
}
.main-2 .c .item {
  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.main-2 .c .item:hover p {
  background: linear-gradient(0deg, rgba(231, 142, 38, 0.8) 0%, rgba(231, 142, 38, 0) 100%);
}
.main-2 .c .item p {
  color: #fff;
  height: 2.5rem;
  line-height: 2.5rem;
  padding: 0 1.5rem;
  font-size: 1rem;
  border-radius: 3rem;
  background: linear-gradient(0deg, rgba(231, 142, 38, 0.4) 0%, rgba(231, 142, 38, 0) 100%);
}
.main-2 .c .item .i {
  position: relative;
  width: 17rem;
  height: 7.5rem;
  margin-top: 3rem;
  padding: 1rem;
  background-image: url("../images/p2-2.svg");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
}
.main-2 .c .item .i::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 1rem);
  width: 1rem;
  height: 1rem;
  background-image: url("../images/p2-3.svg");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
}
.main-2 .c .item .i img {
  width: 100%;
  height: 100%;
  object-fit: scale-down;
}
.main-2 .c .item:nth-of-type(1) {
  top: 5%;
  left: 9%;
}
.main-2 .c .item:nth-of-type(2) {
  top: 3%;
  left: 50%;
}
.main-2 .c .item:nth-of-type(3) {
  top: 10%;
  left: 81%;
}
.main-2 .c .item:nth-of-type(4) {
  top: 66%;
  left: 6%;
}
.main-2 .c .item:nth-of-type(5) {
  top: 36%;
  left: 26%;
}
.main-2 .c .item:nth-of-type(6) {
  top: 46%;
  left: 56%;
}
.main-2 .c .item:nth-of-type(7) {
  top: 70%;
  left: 76%;
}
.main-3 .t {
  position: relative;
}
.main-3 .t .swiper-button {
  border-color: #000;
}
.main-3 .t .swiper-button::after {
  color: #000;
}
.main-3 .sw-t {
  max-width: 60rem;
  margin: 0 auto;
  border-bottom: 1px solid #e8e8e8;
}
.main-3 .sw-t .swiper-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-bottom: 1px solid transparent;
}
.main-3 .sw-t .swiper-slide .i {
  width: 4rem;
  height: 4rem;
}
.main-3 .sw-t .swiper-slide p {
  padding: 1rem 0;
}
.main-3 .sw-t .swiper-slide.swiper-slide-thumb-active {
  border-color: var(--color-c1);
}
.main-3 .sw-b {
  margin-top: 2.5rem;
}
.main-3 .sw-b .swiper-slide {
  display: flex;
}
.main-3 .sw-b .txt {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 4rem;
  background-color: #11161c;
  background-image: url("../images/p3-2.jpg");
  background-size: auto 100%;
  background-repeat: no-repeat;
}
.main-3 .sw-b .txt * {
  color: #fff;
}
.main-3 .sw-b .txt .i {
  width: 5.5rem;
  height: 5.5rem;
}
.main-3 .sw-b .txt h6 {
  font-size: 1.6rem;
  margin-top: 2rem;
}
.main-3 .sw-b .txt p {
  line-height: 1.4;
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
}
.main-3 .sw-b .img-auto {
  flex-shrink: 0;
  width: 55rem;
}
.main-3 .sw-b .img-auto::before {
  padding-top: calc(100% / 1100 * 720);
}
.main-4 {
  padding: 0;
}
.main-4 .content {
  display: flex;
  align-items: center;
  gap: 15rem;
}
.main-4 .left {
  flex-shrink: 0;
  width: 30rem;
}
.main-4 .left h6 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}
.main-4 .left p {
  line-height: 1.6;
}
.main-4 .left .img {
  margin-top: 4rem;
}
.main-4 .r img {
  display: block;
}
@media screen and (max-width: 768px) {
  .main-1 .tabs .item {
    padding: 0 0.5rem;
  }
  .main-1 .tabs .item .i {
    width: 2rem;
    height: 2rem;
  }
  .main-1 .tabs .item p {
    padding: 0.5rem 0;
    font-size: 0.7rem;
  }
  .main-1 .tabs-con {
    margin-top: 1rem;
  }
  .main-1 .content {
    margin-top: 1rem;
  }
  .main-2 .content {
    position: relative;
  }
  .main-2 .content > img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main-2 .c {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
  }
  .main-2 .c .item {
    position: relative;
    top: 0 !important;
    left: 0 !important;
  }
  .main-2 .c .item p {
    font-size: 0.8rem;
    height: 2rem;
    line-height: 2rem;
  }
  .main-2 .c .item .i {
    width: 100%;
    height: 5.5rem;
    margin-top: 1rem;
  }
  .main-2 .c .item .i::before {
    bottom: 100%;
  }
  .main-3 .t .swiper-button {
    display: none;
  }
  .main-3 .sw-t .swiper-slide .i {
    width: 3rem;
    height: 3rem;
  }
  .main-3 .sw-b .swiper-slide {
    flex-direction: column;
  }
  .main-3 .sw-b .swiper-slide > div {
    width: 100% !important;
  }
  .main-3 .sw-b .txt {
    padding: 2rem;
  }
  .main-3 .sw-b .txt .i {
    width: 3.5rem;
    height: 3.5rem;
  }
  .main-3 .sw-b .txt h6 {
    font-size: 1.2rem;
  }
  .main-3 .sw-b .txt p {
    font-size: 0.8rem;
  }
  .main-4 .content {
    flex-direction: column;
    gap: 1rem;
  }
  .main-4 .content > div {
    width: 100% !important;
  }
  .main-4 .left h6 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  .main-4 .left p {
    font-size: 0.8rem;
  }
  .main-4 .left .img {
    margin-top: 1rem;
  }
}