body {
  background: #1b1b1b;
}
.index_banner {
  display: flex;
  justify-content: space-between;
}
.index_banner .left {
  flex: 1;
  background-color: #7c191e;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.index_banner .left .box {
  color: #fff;
}
.index_banner .left .box .en {
  font-size: 24px;
  text-transform: uppercase;
  position: relative;
  width: fit-content;
  margin-bottom: 34px;
}
.index_banner .left .box .en::after {
  content: '';
  display: block;
  width: 100px;
  height: 1px;
  background: #fff;
  position: absolute;
  right: -123px;
  top: 50%;
  transform: translateY(-50%);
}
.index_banner .left .box .cn {
  font-size: 50px;
  font-weight: bold;
  margin-bottom: 20px;
}
.index_banner .left .box .ms {
  font-size: 24px;
  margin-bottom: 45px;
}
.index_banner .left .box .index {
  margin-bottom: 93px;
}
.index_banner .left .box .index span {
  font-size: 20px;
  color: #a67676;
}
.index_banner .left .box .index span:nth-child(2n) {
  margin: 0 27px;
}
.index_banner .left .box .index span:nth-child(1) {
  color: #fff;
}
.index_banner .left .box .btn {
  display: flex;
  width: 240px;
  height: 65px;
  border: 1px solid #ffffff;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  position: relative;
  overflow: hidden;
  z-index: 2;
  transition: 0.3;
}
.index_banner .left .box .btn .hes {
  display: none;
}
.index_banner .left .box .btn:hover {
  color: #7c191e;
}
.index_banner .left .box .btn:hover::after {
  transform: translate(-50%, -50%) scale(1);
  background-color: #fff;
}
.index_banner .left .box .btn:hover .hs {
  display: none;
}
.index_banner .left .box .btn:hover .hes {
  display: block;
}
.index_banner .left .box .btn::after {
  width: 300px;
  height: 300px;
  position: absolute;
  content: '';
  top: 50%;
  left: 50%;
  z-index: -1;
  transition: 0.5s all linear;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
}
.index_banner .left .box .btn img {
  margin-left: 20px;
}
.index_banner .right {
  flex: 1;
}
.index_ys {
  background-color: #1b1b1b;
}
.index_ys .w {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.index_ys .w li {
  display: flex;
  width: 26%;
  margin-bottom: 90px;
}
.index_ys .w li:nth-child(n+4) {
  margin-bottom: 0;
}
.index_ys .w li:hover .left {
  transform: rotateY(360deg);
}
.index_ys .w li .left {
  margin-right: 39px;
  width: 15%;
  position: relative;
  height: fit-content;
  transition: 1.5s;
}
.index_ys .w li .right {
  width: 74%;
}
.index_ys .w li .right .title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 24px;
}
.index_ys .w li .right .ms {
  font-size: 16px;
  line-height: 1.5 !important;
  color: #999;
}
.index_video {
  position: relative;
  max-height: 669px;
  overflow: hidden;
}
.index_video .bg {
  transition: 3s;
}
.index_video:hover .bg {
  transform: scale(1.2);
}
.index_video .play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.index_video .play a img {
  transition: all 0.3s ease 0s;
}
.index_video .play a:hover img {
  transform: scale(1.1);
}
.index_pd ul li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-right: 12%;
  margin-bottom: 8%;
}
.index_pd ul li:nth-child(2n) {
  margin-right: 0;
  margin-left: 12%;
}
.index_pd ul li:nth-child(2n) .left {
  text-align: right;
}
.index_pd ul li:last-child {
  margin-bottom: 0;
}
.index_pd ul li .left {
  width: 55%;
}
.index_pd ul li .right {
  width: 34%;
}
.index_pd ul li .right .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 60px;
  border-bottom: 1px solid #434343;
  margin-bottom: 50px;
}
.index_pd ul li .right .top .qh {
  -webkit-animation: right2 2s linear 0s infinite normal forwards;
  animation: right2 2s linear 0s infinite normal forwards;
}
.index_pd ul li .right .top .title {
  color: #fff;
}
.index_pd ul li .right .top .title .num {
  font-size: 48px;
  margin-bottom: 24px;
}
.index_pd ul li .right .top .title .num span {
  color: #7c191e;
}
.index_pd ul li .right .top .title .name {
  font-size: 30px;
  text-align: left;
}
.index_pd ul li .right .ms {
  line-height: 1.8;
  font-size: 18px;
  color: #cccccc;
  margin-bottom: 50px;
  text-align: left;
}
.index_pd ul li .right .color {
  display: flex;
}
.index_pd ul li .right .color img {
  margin-right: 15px;
}
.index_item {
  padding-top: 0;
}
.index_item .Swiper {
  position: relative;
}
.index_item .swiper-wrapper .swiper-slide {
  opacity: 0.3;
  transition: 0.3s;
  position: relative;
  overflow: hidden;
}
.index_item .swiper-wrapper .swiper-slide img {
  transition: 0.3s;
}
.index_item .swiper-wrapper .swiper-slide:hover img {
  transform: scale(1.1);
}
.index_item .swiper-wrapper .swiper-slide.swiper-slide-active {
  opacity: 1;
}
.index_item .swiper-wrapper .swiper-slide .wz {
  position: absolute;
  bottom: 147px;
  left: 104px;
}
.index_item .swiper-wrapper .swiper-slide .wz p:nth-child(1) {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 20px;
}
.index_item .swiper-wrapper .swiper-slide .wz p:nth-child(2) {
  font-size: 40px;
  color: #fff;
}
.index_item .qh {
  position: absolute;
  display: flex;
  bottom: 0;
  right: 0;
  z-index: 999;
}
.index_item .qh div {
  width: 80px;
  height: 80px;
  background: #000000;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.index_item .qh div img {
  z-index: 1;
}
.index_item .qh div:hover::after {
  transform: translate(-50%, -50%) scale(1);
  background-color: #7c191e;
}
.index_item .qh div::after {
  width: 300px;
  height: 300px;
  position: absolute;
  content: '';
  top: 50%;
  left: 50%;
  z-index: 0;
  transition: 0.5s all linear;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
}
.index_item .qh div:nth-child(1) {
  transform: rotate(180deg);
  border-left: 1px solid rgba(204, 204, 204, 0.5);
}
.index_news {
  padding-top: 0;
}
.index_news .Swiper {
  overflow: hidden;
}
.index_news .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 8%;
}
.index_news .top .pub_title {
  text-align: left;
  margin-bottom: 0;
}
.index_news ul li {
  height: 100%;
  border-radius: 15px;
  overflow: hidden;
  transition: 0.5s;
}
.index_news ul li:hover {
  box-shadow: 0 5px 10px rgba(204, 204, 204, 0.2);
  transform: translateY(-10px);
}
.index_news ul li:hover .jt {
  transform: translateX(10px);
}
.index_news ul li a {
  background-color: #fff;
}
.index_news ul li a:hover img {
  transform: scale(1.1);
}
.index_news ul li a img {
  transition: 0.3s;
}
.index_news ul li .main {
  padding: 8%;
  background: #fff;
  font-size: 18px;
  color: #7c191e;
}
.index_news ul li .main p {
  height: 3em;
}
.index_news ul li .main p:nth-child(1) {
  margin-bottom: 20px;
}
.index_news ul li .main p:nth-child(1) span:nth-child(1) {
  margin-right: 10px;
  font-weight: bold;
}
.index_news ul li .main p:nth-child(2) {
  font-size: 24px;
  font-weight: bold;
  line-height: 1.5;
  color: #000000;
  margin-bottom: 30px;
}
.index_news ul li .main .jt {
  transition: 0.3s;
}