.index_banner {
  overflow: hidden;
}

.index_banner .wrap .swiper-slide.swiper-slide-active .item .img img {
  transform: scale(1);
}

.index_banner .wrap .item {
  height: 100vh;
  position: relative;
}

.index_banner .wrap .item .img {
  height: 100%;
}

.index_banner .wrap .item .img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.index_banner .wrap .item .img img {
  height: 100%;
  width: 100%;
  transform: scale(1.1);
  transition: cubic-bezier(0.77, 0, 0.175, 1) transform 2s;
}

.index_banner .wrap .item .text {
  position: absolute;
  left: 160px;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
}

.index_banner .wrap .item .text .p1 {
  color: #fff;
  font-size: 42px;
}

.index_banner .wrap .content {
  position: absolute;
  bottom: 0;
  height: 140px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  padding: 0 160px;
  width: 100%;
}

.index_banner .wrap .content .text {
  color: #fff;
  font-size: 20px;
}

.index_banner .wrap .content .tab {
  display: flex;
}

.index_banner .wrap .content .tab .next,
.index_banner .wrap .content .tab .prev {
  width: 55px;
  height: 55px;
  border: 1px solid #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.6s;
}

.index_banner .wrap .content .tab .next span,
.index_banner .wrap .content .tab .prev span {
  color: #fff;
  font-size: 20px;
}

.index_banner .wrap .content .tab .next:hover,
.index_banner .wrap .content .tab .prev:hover {
  background-color: #475A9E;
  border: 1px solid #475A9E;
}

.index_banner .wrap .content .tab .prev {
  margin-right: 15px;
  transform: rotate(180deg);
}

.index1 {
  position: relative;
  overflow: hidden;
}

.index1 .bg {
  width: 100%;
}

.index1 .bg img {
  width: 100%;
  height: 100%;
  object-position: center bottom;
}

.index1 .content {
  padding-top: 110px;
  padding-bottom: 90px;
  width: 1600px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  margin: 0px auto;
}

.index1 .content .left {
  width: 50%;
}

.index1 .content .right {
  width: 50%;
}

.index1 .content .right .title {
  font-weight: bold;
  font-size: 42px;
  color: #1A1A1A;
}

.index1 .content .right .text {
  padding-top: 45px;
  font-weight: 400;
  font-size: 18px;
  color: #1A1A1A;
  line-height: 36px;
}

.index1 .content .right .more {
  width: 150px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  border: 1px solid #475A9E;
  /* color: #111; */
  color: #475A9E;
  font-size: 18px;
  transition: all 0.6s;
  margin-top: 30px;
}

.index1 .content .right .more:hover {
  background-color: #475A9E;
  color: #fff;
}

.index1 .content .right .bottom {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
}

.index1 .content .right .bottom .item {
  display: flex;
  width: 50%;
  margin-top: 90px;
}

.index1 .content .right .bottom .item .data {
  padding-left: 30px;
  position: relative;
}

.index1 .content .right .bottom .item .data p {
  font-size: 16px;
  color: #1A1A1A;
}

.index1 .content .right .bottom .item .data .num {
  display: flex;
}

.index1 .content .right .bottom .item .data .num span:nth-child(1) {
  height: 40px;
  font-weight: bold;
  font-size: 52px;
  color: #1A1A1A;
}

.index1 .content .right .bottom .item .data .num span:nth-child(2) {
  font-size: 16px;
  font-weight: 400;
  margin-left: 10px;
}

.index2 {
  overflow: hidden;
  padding: 114px 0 105px;
}

.index2 .wrap {
  width: 1600px;
  margin: 0 auto;
}

.index2 .wrap .title p {
  font-weight: bold;
  font-size: 68px;
  color: #475A9E;
}

.index2 .wrap .title .title {
  font-weight: bold;
  font-size: 42px;
  color: #1A1A1A;
}

.index2 .wrap .content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px 27px;
  padding-top: 50px;
}

.index2 .wrap .content .item {
  width: 100%;
  height: 460px;
  position: relative;
  z-index: 1;
  background: #F6F7F9;
}

.index2 .wrap .content .item .top {
  position: absolute;
  top: 40px;
  left: 30px;
}

.index2 .wrap .content .item .top .productname {
  font-weight: 500;
  font-size: 24px;
  color: #1A1A1A;
}

.index2 .wrap .content .item .top .productdes {
  font-weight: 500;
  font-size: 16px;
  color: #7D8BA9;
}

.index2 .wrap .content .item img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.index2 .wrap .more {
  width: 150px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  border: 1px solid #475A9E;
  /* color: #111; */
  color: #475A9E;
  font-size: 18px;
  transition: all 0.6s;
  margin: 60px auto 0;
}

.index2 .wrap .more:hover {
  background-color: #475A9E;
  color: #fff;
}

.index3 {
  overflow: hidden;
  display: block !important;
}

.index3 .fp-overflow {
  height: 100vh;
}

.index3 .fp-overflow .height {
  overflow: hidden;
}

.index3 .fp-overflow .height .fix {
  height: 100vh;
  position: relative;
}

.index3 .fp-overflow .height .fix .wrap1 {
  width: 100%;
  height: 100vh;
  position: relative;
  z-index: 6;
  background: #E9ECF0;
}

.index3 .fp-overflow .height .fix .wrap1 .content {
  position: absolute;
  right: 18vw;
  bottom: 17vh;
  z-index: 5;
}

.index3 .fp-overflow .height .fix .wrap1 .content .english {
  font-weight: bold;
  font-size: 68px;
  color: #475A9E;
  line-height: 68px;
}

.index3 .fp-overflow .height .fix .wrap1 .content .title {
  font-weight: bold;
  font-size: 42px;
  color: #475A9E;
  padding: 30px 0;
}

.index3 .fp-overflow .height .fix .wrap1 .content .text {
  font-weight: 500;
  font-size: 18px;
  color: #1A1A1A;
  line-height: 32px;
}

.index3 .fp-overflow .height .fix .wrap1 .position {
  position: absolute;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  z-index: 2;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.index3 .fp-overflow .height .fix .wrap1 .position .bg {
  width: 100%;
  pointer-events: none;
  object-fit: contain;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point {
  position: absolute;
  pointer-events: auto;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point .text {
  white-space: nowrap;
  width: fit-content;
  padding: 0 1.35vw;
  height: 2.34vw;
  background: #031C7B;
  box-shadow: 5px 9px 5px 0px rgba(3, 28, 123, 0.1);
  border-radius: 1.1vw;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.933vw;
  font-weight: 500;
  color: #FFFFFF;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -3.54vw;
  cursor: pointer;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point .circle {
  width: 0.833vw;
  height: 0.833vw;
  background: #031C7B;
  border-radius: 50%;
  position: relative;
  margin: auto;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point .circle::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #031C7B;
  opacity: 0.5;
  border-radius: 50%;
  animation: 1s circle_animate linear infinite;
  pointer-events: none;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_1 {
  left: 11vw;
  top: 15vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_2 {
  left: 14vw;
  top: 17vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_3 {
  left: 20vw;
  top: 14vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_4 {
  left: 20vw;
  top: 21vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_5 {
  left: 25vw;
  top: 24vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_7 {
  left: 18.2vw;
  top: 25vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_8 {
  left: 22vw;
  top: 26vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_9 {
  left: 16.5vw;
  top: 42vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_10 {
  left: 30vw;
  top: 26vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_11 {
  left: 36vw;
  top: 18vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_12 {
  left: 41vw;
  top: 22vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_13 {
  left: 38vw;
  top: 34vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_14 {
  left: 42vw;
  top: 42vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_15 {
  left: 76vw;
  top: 15vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_16 {
  left: 84vw;
  top: 22vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_17 {
  left: 78vw;
  top: 27vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_18 {
  left: 85vw;
  top: 33vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .point_6 {
  top: 27vw;
  left: 40vw;
}

.index3 .fp-overflow .height .fix .wrap1 .position .spread-circle {
  pointer-events: none;
}

.index3 .fp-overflow .height .fix .wrap1 .position .spread-circle .spread {
  background-color: rgba(3, 28, 123, 0.03);
  border-radius: 50%;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  margin: 0;
  width: 280px;
  height: 280px;
  -webkit-animation: nation-circle 5s cubic-bezier(0.22, 0.61, 0.36, 0.5) infinite;
  animation: nation-circle 5s cubic-bezier(1, 2, 0.66, 3) infinite;
}

.index3 .fp-overflow .height .fix .wrap1 .position .spread-circle .spread:nth-child(2) {
  animation-delay: 1s;
}

.index3 .fp-overflow .height .fix .wrap1 .position .spread-circle .spread:nth-child(3) {
  animation-delay: 1.5s;
}

.index3 .fp-overflow .height .fix .wrap1 .position .spread-circle .spread:nth-child(4) {
  animation-delay: 2s;
}

.index4 {
  overflow: hidden;
  padding-top: 100px;
}

.index4 .wrap {
  width: 1600px;
  margin: 0 auto;
}

.index4 .wrap .top p {
  font-weight: bold;
  font-size: 68px;
  color: #475A9E;
  line-height: 68px;
}

.index4 .wrap .top .title {
  font-weight: bold;
  font-size: 40px;
  color: #1A1A1A;
  line-height: 52px;
}

.index4 .wrap .main {
  position: relative;
  margin-top: 60px;
}

.index4 .wrap .main .tab {
  position: absolute;
  right: 0;
  top: -100px;
  padding: 10px 0;
  display: flex;
}

.index4 .wrap .main .tab .prev {
  margin-right: 20px;
  rotate: -180deg;
}

.index4 .wrap .main .tab .next,
.index4 .wrap .main .tab .prev {
  width: 55px;
  height: 55px;
  border: 1px solid #475A9E;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.6s;
  color: #475A9E;
}

.index4 .wrap .main .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: flex;
  transition-property: transform;
  box-sizing: content-box;
}

.index4 .wrap .main .swiper-slide a {
  width: 385px;
  height: 480px;
  background: #F6F7F9;
  border-radius: 24px;
}

.index4 .wrap .main .swiper-slide a .img {
  margin-bottom: 20px;
  overflow: hidden;
}

.index4 .wrap .main .swiper-slide a .title {
  font-weight: bold;
  font-size: 22px;
  color: #1A1A1A;
  line-height: 32px;
  padding: 50px;
}

.index4 .wrap .main .swiper-slide a .time {
  font-weight: bold;
  font-size: 16px;
  color: #888888;
  line-height: 32px;
  padding: 0 50px;
}

@keyframes circle_animate {
  100% {
    transform: translate(-50%, -50%) scale(2.75);
    opacity: 0;
  }
}

@keyframes nation-circle {
  0% {
    -webkit-transform: translate(-50%, -50%) scale(0);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }

  100% {
    -webkit-transform: translate(-50%, -50%) scale(1.7);
    transform: translate(-50%, -50%) scale(1.7);
    opacity: 0;
  }
}

@media screen and (max-width: 1024px) {
  .index_banner .wrap .item .text {
    left: 20px;
  }

  .index_banner .wrap .content {
    left: 20px;
    padding: 0;
  }

  .index_banner .wrap .item .text .p1 {
    font-size: 18px;
  }

  .index_banner .wrap .item {
    height: 500px;
  }

  .index_banner .wrap .content .tab .next,
  .index_banner .wrap .content .tab .prev {
    width: 40px;
    height: 40px;
  }

  .index1 {
    display: flex;
    flex-direction: column-reverse;
  }

  .index1 .content {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    padding-top: 45px;
    padding-bottom: 45px;
    transform: unset;
  }

  .index1 .content .left {
    display: none;
  }

  .index1 .content .right {
    width: 90%;
    margin: 0 auto;
  }

  .index1 .content .right .title {
    font-size: 24px;
  }

  .index1 .content .right .text {
    font-size: 16px;
    line-height: 28px;
    padding-top: 30px;
  }

  .index1 .content .right .more {
    width: 116px;
    height: 46px;
    font-size: 14px;
  }

  .index1 .content .right .bottom .item {
    margin-top: 30px;
  }

  .index1 .content .right .bottom .item .data .num span:nth-child(1) {
    font-size: 20px;
  }

  .index1 .content .right .bottom .item .data .num span:nth-child(2) {
    font-size: 10px;
  }

  .index1 .content .right .bottom .item img {
    width: 40px;
  }

  .index1 .content .right .bottom .item .data p {
    font-size: 12px;
  }

  .index1 .bg .show {
    display: none;
  }

  .index1 .bg .sjbg {
    display: block !important;
  }

  .index2 {
    padding: 50px 0 50px;
  }

  .index2 .wrap {
    width: 90%;
    margin: 0 auto;
  }

  .index2 .wrap .title p {
    font-size: 12px;
  }

  .index2 .wrap .title .title {
    font-size: 24px;
  }

  .index2 .wrap .content {
    grid-template-columns: repeat(1, 1fr);
  }

  .index2 .wrap .content .item {
    height: 320px;
  }

  .index2 .wrap .content .item .top .productname {
    font-size: 20px;
  }

  .index2 .wrap .content .item .top .productdes {
    font-size: 14px;
  }

  .index2 .wrap .more {
    width: 116px;
    height: 46px;
    font-size: 14px;
    margin: 30px auto 0;
  }
  .index3{
    height: 580px;

  }
  .index3 .fp-overflow .height .fix .wrap1 {
    height: 65vh;
  }

  .index3 .fp-overflow .height .fix .wrap1 .content .english {
    font-size: 12px;
    line-height: 20px;
  }

  .index3 .fp-overflow .height .fix .wrap1 .content .title {
    font-size: 24px;
  }

  .index3 .fp-overflow .height .fix .wrap1 .content .text {
    font-size: 16px;
  }

  .index3 .fp-overflow .height .fix .wrap1 .content {
    bottom: 0;
    right: 0;
    left: 20px;
    top: 50px;
  }
  .index3 .fp-overflow .height .fix .wrap1 .content .title{
    padding: 14px 0 20px;
  }
  .index3 .fp-overflow .height .fix .wrap1 .position{
        top: 68%;

  }
  .index3 .fp-overflow{
    height: auto;
  }
  .index4{
    padding-top: 50px;
  }
  .index4 .wrap .top p{
    font-size: 12px;
    line-height: 0;
  }
  .index4 .wrap .top .title{
    font-size: 24px;
  }
.index4 .wrap .main .swiper-slide a .title{
  font-size: 18px;
  padding: 30px;
}
.index4 .wrap .main .swiper-slide a{
  height: 400px;
}
.index4 .wrap .main .swiper-slide a .time{
  padding: 0 30px;
}
.index4 .wrap{
  padding-left: 20px;
}
.index4 .wrap .main{
  margin-top: 30px;
}
}