/* 放大效果  @times 放大倍数*/
.index-main {
  padding-bottom: 58px;
}
.index-main h3 {
  position: relative;
  padding-bottom: 20px;
  font-size: 36px;
  line-height: 1;
  letter-spacing: 2px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index-main h3::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 138px;
  border-bottom: 2px solid #fff;
}
.index-main .index_pro_item {
  margin-top: 58px;
  padding-left: 55px;
  height: 422px;
  color: #fff;
}
.index-main .index_pro_item {
  background: url("../images/change/index_pro_bg1.png") center / contain no-repeat;
}
.index-main .index_pro_item:nth-child(1) {
  background: url("../images/change/index_pro_bg1.png") center / contain no-repeat;
}
.index-main .index_pro_item:nth-child(2) {
  background: url("../images/change/index_pro_bg2.png") center / contain no-repeat;
}
.index-main .index_pro_item:nth-child(3) {
  background: url("../images/change/index_pro_bg3.png") center / contain no-repeat;
}
.index-main .index_pro_item:nth-child(4) {
  background: url("../images/change/index_pro_bg4.png") center / contain no-repeat;
}
.index-main .index_pro_item:nth-child(even) {
  padding-left: 0;
}
.index-main .index_pro_item:nth-child(even) .index_pro_txt {
  -webkit-box-ordinal-group: 2;
  -moz-box-ordinal-group: 2;
  -ms-flex-order: 2;
  -webkit-order: 2;
  order: 2;
}
.index-main .index_pro_item:nth-child(even) .index_pro_img {
  -webkit-box-ordinal-group: 1;
  -moz-box-ordinal-group: 1;
  -ms-flex-order: 1;
  -webkit-order: 1;
  order: 1;
}
.index-main .index_pro_item:nth-child(even) .index_pro_txt {
  display: box;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: end;
  -webkit-justify-content: flex-end;
  -moz-justify-content: flex-end;
  -ms-justify-content: flex-end;
  -o-justify-content: flex-end;
  justify-content: flex-end;
}
.index-main .index_pro_item .index_pro_txt,
.index-main .index_pro_item .index_pro_img {
  width: 50%;
}
.index-main .index_pro_item .index_pro_article {
  min-width: 515px;
}
.index-main .index_pro_item .index_pro_article li:nth-child(1) {
  -o-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  animation-delay: 0.5s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(2) {
  -o-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  animation-delay: 0.7s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(3) {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(4) {
  -o-animation-delay: 1.1s;
  -moz-animation-delay: 1.1s;
  -webkit-animation-delay: 1.1s;
  animation-delay: 1.1s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(5) {
  -o-animation-delay: 1.3s;
  -moz-animation-delay: 1.3s;
  -webkit-animation-delay: 1.3s;
  animation-delay: 1.3s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(6) {
  -o-animation-delay: 1.5s;
  -moz-animation-delay: 1.5s;
  -webkit-animation-delay: 1.5s;
  animation-delay: 1.5s;
}
.index-main .index_pro_item .index_pro_article li:nth-child(7) {
  -o-animation-delay: 1.7s;
  -moz-animation-delay: 1.7s;
  -webkit-animation-delay: 1.7s;
  animation-delay: 1.7s;
}
.index-main .index_pro_item .article {
  max-height: 250px;
  overflow: hidden;
}
.index-main .index_pro_item .article ul {
  margin-top: 16px;
}
.index-main .index_pro_item .article li {
  position: relative;
  padding-left: 15px;
  line-height: 30px;
  font-size: 14px;
}
.index-main .index_pro_item .article li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  background: url("../images/public/index_pro_tag.png") left center no-repeat;
}
.index-main .index_pro_item .goto_pro_detail {
  padding:0 15px;
  margin-top: 40px;
  /* width: 107px; */
  height: 34px;
  border-radius: 5px;
  font-size: 14px;
  text-align: center;
  line-height: 32px;
  border: 1px solid #fff;
  display: inline-block;
  -o-animation-delay: 2.2s;
  -moz-animation-delay: 2.2s;
  -webkit-animation-delay: 2.2s;
  animation-delay: 2.2s;
}
.index-main .index_pro_item .goto_pro_detail:hover {
  background-color: #e60012;
  color: #fff;
}
.index-main .index_video {
  height: 422px;
  margin-top: 58px;
  background-color: #1e1e1e;
  color: #fff;
}
.index-main .index_video .main2_left {
  width: 46%;
  line-height: 24px;
  padding: 65px 68px;
}
.index-main .index_video .main2_left .txt {
  margin-top: 33px;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 8;
  -webkit-box-orient: vertical;
  max-height: 192px;
  min-height: 192px;
  line-height: 24px;
}
.index-main .index_video .main2_left p {
  text-indent: 32px;
}
.index-main .index_video .main2_left p:nth-child(1) {
  -o-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  animation-delay: 0.5s;
}
.index-main .index_video .main2_left p:nth-child(2) {
  -o-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  animation-delay: 0.7s;
}
.index-main .index_video .main2_right {
  position: relative;
  width: 53.83%;
  padding: 20px 23px;
}
.index-main .index_video .main2_right .video_pic{
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  margin: auto;
}

.index-main .index_video .main2_right .video_pic .picture_container{
  padding-top: 63.66%;

}
.index-main .index_video .main2_right .video_box{
  width: 100%;
  height: 100%;
  position: relative;
}
.index-main .index_video .main2_right iframe{
  width: 100%;
  height: 380px;
}
.index-main .index_video .main2_right:hover .player_btn {
  display: block;
}
.index-main .index_video .main2_right video {
  width: 100%;
  height: 100%;
}
.index-main .index_video .main2_right .player_btn {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -35px;
  margin-left: -35px;
  height: 70px;
  width: 70px;
  border: 2px solid #fff;
  border-radius: 50%;
  line-height: 70px;
  text-align: center;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.6);
}
.index-main .index_video .main2_right .player_btn .iconfont {
  font-size: 28px;
}
.index-main .main3 {
  margin-top: 58px;
  color: #fff;
}
.index-main .main3 h3 {
  padding: 0;
  margin-bottom: 45px;
}
.index-main .main3 h3::before {
  border: none;
}
.index-main .main3 .index_news {
  padding: 40px;
  background-color: #18191d;
}
.index-main .main3 .index_news .news_item {
  position: relative;
  margin-bottom: 25px;
  width: 47.6%;
  padding-left: 15px ;
  padding-bottom: 27px;
  border-bottom: 1px dashed #4f4f4f;
}
.index-main .main3 .index_news .news_item:nth-child(1) .h4 {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index-main .main3 .index_news .news_item:nth-child(2) .h4 {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index-main .main3 .index_news .news_item:nth-child(3) .h4 {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.index-main .main3 .index_news .news_item:nth-child(4) .h4 {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.index-main .main3 .index_news .news_item:nth-child(1) .news_title_line {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index-main .main3 .index_news .news_item:nth-child(2) .news_title_line {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index-main .main3 .index_news .news_item:nth-child(3) .news_title_line {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.index-main .main3 .index_news .news_item:nth-child(4) .news_title_line {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.index-main .main3 .index_news .news_item:nth-child(1) .p {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index-main .main3 .index_news .news_item:nth-child(2) .p {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.index-main .main3 .index_news .news_item:nth-child(3) .p {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.index-main .main3 .index_news .news_item:nth-child(4) .p {
  -o-animation-delay: 1.2s;
  -moz-animation-delay: 1.2s;
  -webkit-animation-delay: 1.2s;
  animation-delay: 1.2s;
}
.index-main .main3 .index_news .news_item:nth-child(1) .div span {
  -o-animation-delay: 1.5s;
  -moz-animation-delay: 1.5s;
  -webkit-animation-delay: 1.5s;
  animation-delay: 1.5s;
}
.index-main .main3 .index_news .news_item:nth-child(2) .div span {
  -o-animation-delay: 1.6s;
  -moz-animation-delay: 1.6s;
  -webkit-animation-delay: 1.6s;
  animation-delay: 1.6s;
}
.index-main .main3 .index_news .news_item:nth-child(3) .div span {
  -o-animation-delay: 1.7s;
  -moz-animation-delay: 1.7s;
  -webkit-animation-delay: 1.7s;
  animation-delay: 1.7s;
}
.index-main .main3 .index_news .news_item:nth-child(4) .div span {
  -o-animation-delay: 1.8s;
  -moz-animation-delay: 1.8s;
  -webkit-animation-delay: 1.8s;
  animation-delay: 1.8s;
}
.index-main .main3 .index_news .news_item .news_title_line {
  position: absolute;
  left: 0;
  top: 12px;
  margin-top: -7px;
  width: 4px;
  height: 14px;
  background-color: #e60012;
  display: inline-block;
}
.index-main .main3 .index_news .news_item h4 {
  position: relative;
  font-size: 18px;
  margin-bottom: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index-main .main3 .index_news .news_item p {
  margin-bottom: 20px;
  font-size: 14px;
  color: #a29b9a;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 48px;
  min-height: 48px;
  line-height: 24px;
}
.index-main .main3 .index_news .news_item div {
  font-size: 14px;
}
.index-main .main3 .index_news .to_news-list {
  padding-top: 20px ;
}
.index-main .main3 .index_news .to_news-list div {
  width: 125px;
  height: 37px;
  text-align: center;
  line-height: 35px;
  font-size: 14px;
  border-radius: 5px;
  border: solid 1px #ffffff;
}
.index-main .main3 .index_news .to_news-list div:hover {
  background-color: #e60012;
  color: #fff;
}
.product-main .pro_characteristic h3 {
  padding-left: 30px;
  height: 70px;
  background-color: #231815;
  color: #fff;
  font-size: 30px;
  line-height: 70px;
}
.product-main .pro_characteristic .text {
  padding: 38px  0 70px 30px;
}
.product-main .pro_characteristic .text .text_title {
  line-height: 40px;
  font-size: 20px;
}
.product-main .pro_characteristic .text p {
  line-height: 32px;
  font-size: 16px;
  color: #666;
}
.product-main .pro_characteristic .text p:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.product-main .pro_characteristic .text p:nth-child(2) {
  -o-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  animation-delay: 0.1s;
}
.product-main .pro_characteristic .text p:nth-child(3) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.product-main .pro_characteristic .text p:nth-child(4) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.product-main .pro_characteristic .text p:nth-child(5) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.product-main .pro_characteristic .text p:nth-child(6) {
  -o-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  animation-delay: 0.5s;
}
.product-main .pro_characteristic .text p:nth-child(7) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.product-main .pro_characteristic .text p:nth-child(8) {
  -o-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  animation-delay: 0.7s;
}
.product-main .pro_characteristic .text p:nth-child(9) {
  -o-animation-delay: 0.8s;
  -moz-animation-delay: 0.8s;
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
}
.product-main .pro_characteristic .text p:nth-child(10) {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.product-main .main3 .picture_container {
  padding-top: 36.45%;
  background-color: #eee;
}
.product-details-main .main2 {
  padding-bottom: 105px;
  margin-top: 35px;
}
.product-details-main .main2 h3 {
  padding-left: 30px;
  margin-bottom: 100px;
  height: 70px;
  background-color: #231815;
  color: #fff;
  font-size: 30px;
  line-height: 70px;
}
.product-details-main .main2 .swiper-container {
  margin: 0;
  width: 490px;
}
.product-details-main .main2 .swiper-container .swiper-slide{
  width: 490px;
  height: 322px;
  text-align: center;
}
.product-details-main .main2 .swiper-container:hover #btn1,
.product-details-main .main2 .swiper-container:hover #btn2 {
  display: inline-block;
}
.product-details-main .main2 #btn1,
.product-details-main .main2 #btn2 {
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -35px;
  height: 50px;
  width: 32px;
  line-height: 50px;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  text-align: center;
  cursor: pointer;
  z-index: 9;
  display: none;
}
.product-details-main .main2 #btn1:hover,
.product-details-main .main2 #btn2:hover {
  background-color: #e60012;
}
.product-details-main .main2 #btn2 {
  left: auto;
  right: 0;
}
.product-details-main .main2 #content {
  position: relative;
  width: 36.25%;
}
.product-details-main .main2 #content .content-item {
  padding-right: 25px;
  width: 100%;
  margin-top: -10px;
  display: none;
}
.product-details-main .main2 #content .content-item:first-child {
  display: block;
}
.product-details-main .main2 #content li {
  line-height: 30px;
  color: #666666;
  letter-spacing: 1px;
}
.product-details-main .main2 #content .down {
  margin-top: 25px;
}
.product-details-main .main2 #content .down .iconfont {
  margin-right: 15px;
  font-size: 30px;
  color: #e60012;
}
.product-details-main .main2 #content .down span {
  font-weight: lighter;
}
.data_download-main .download_section {
  padding-bottom: 80px;
}
.data_download-main .download_section .data_list {
  margin-bottom: 45px;
}
.data_download-main .download_section .data_row {
  height: 100px;
  width: 100%;
  border-bottom: 1px dashed #eee;
}
.data_download-main .download_section .data_row:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.data_download-main .download_section .data_row:nth-child(2) {
  -o-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  animation-delay: 0.1s;
}
.data_download-main .download_section .data_row:nth-child(3) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.data_download-main .download_section .data_row:nth-child(4) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.data_download-main .download_section .data_row:nth-child(5) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.data_download-main .download_section .data_row:nth-child(6) {
  -o-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  animation-delay: 0.5s;
}
.data_download-main .download_section .data_row:nth-child(7) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.data_download-main .download_section .data_row:nth-child(8) {
  -o-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  animation-delay: 0.7s;
}
.data_download-main .download_section .data_row:nth-child(9) {
  -o-animation-delay: 0.8s;
  -moz-animation-delay: 0.8s;
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
}
.data_download-main .download_section .data_row:nth-child(10) {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.data_download-main .download_section .data_row:nth-child(11) {
  -o-animation-delay: 1s;
  -moz-animation-delay: 1s;
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
}
.data_download-main .download_section .data_row:nth-child(12) {
  -o-animation-delay: 1.1s;
  -moz-animation-delay: 1.1s;
  -webkit-animation-delay: 1.1s;
  animation-delay: 1.1s;
}
.data_download-main .download_section .data_row:nth-child(13) {
  -o-animation-delay: 1.2s;
  -moz-animation-delay: 1.2s;
  -webkit-animation-delay: 1.2s;
  animation-delay: 1.2s;
}
.data_download-main .download_section .data_row:nth-child(14) {
  -o-animation-delay: 1.3s;
  -moz-animation-delay: 1.3s;
  -webkit-animation-delay: 1.3s;
  animation-delay: 1.3s;
}
.data_download-main .download_section .data_row:nth-child(15) {
  -o-animation-delay: 1.4s;
  -moz-animation-delay: 1.4s;
  -webkit-animation-delay: 1.4s;
  animation-delay: 1.4s;
}
.data_download-main .download_section .data_row:nth-child(16) {
  -o-animation-delay: 1.5s;
  -moz-animation-delay: 1.5s;
  -webkit-animation-delay: 1.5s;
  animation-delay: 1.5s;
}
.data_download-main .download_section .data_row:nth-child(17) {
  -o-animation-delay: 1.6s;
  -moz-animation-delay: 1.6s;
  -webkit-animation-delay: 1.6s;
  animation-delay: 1.6s;
}
.data_download-main .download_section .data_row:nth-child(18) {
  -o-animation-delay: 1.7s;
  -moz-animation-delay: 1.7s;
  -webkit-animation-delay: 1.7s;
  animation-delay: 1.7s;
}
.data_download-main .download_section .data_row:nth-child(19) {
  -o-animation-delay: 1.8s;
  -moz-animation-delay: 1.8s;
  -webkit-animation-delay: 1.8s;
  animation-delay: 1.8s;
}
.data_download-main .download_section .data_row:nth-child(20) {
  -o-animation-delay: 1.9s;
  -moz-animation-delay: 1.9s;
  -webkit-animation-delay: 1.9s;
  animation-delay: 1.9s;
}
.data_download-main .download_section .data_row div {
  line-height: 99px;
  font-size: 18px;
  color: #666666;
  padding-right: 20px;
}
.data_download-main .download_section .data_row div:nth-child(1) {
  width: 32.5%;
}
.data_download-main .download_section .data_row div:nth-child(2) {
  width: 22.9%;
}
.data_download-main .download_section .data_row div:nth-child(3) {
  width: 30.8%;
}
.data_download-main .download_section .data_row div:nth-child(4) {
  width: 13.8%;
  padding-right: 0;
}
.data_download-main .download_section .data_row div:nth-child(4):hover a {
  background-color: #e60012;
}
.data_download-main .download_section .data_row div:nth-child(4) a {
  width: 100%;
  height: 44px;
  line-height: 44px;
  text-align: center;
  color: #fff;
  background-color: #ccc;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.data_download-main .download_section .data_row div .iconfont {
  margin-right: 15px;
  color: #777;
}
.data_download-main .download_section .data_row div span {
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  max-height: 99px;
  min-height: 99px;
  line-height: 99px;
}
.video-main .show_video_section {
  padding-bottom: 80px;
}
.video-main .video_list {
  margin-bottom: 60px;
}
.video-main .video_item {
  padding: 40px 0;
  border-bottom: 1px dashed #eee;
}
.video-main .video_item:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.video-main .video_item:nth-child(2) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.video-main .video_item:nth-child(3) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.video-main .video_item:nth-child(4) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.video-main .video_item:nth-child(5) {
  -o-animation-delay: 0.8s;
  -moz-animation-delay: 0.8s;
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
}
.video-main .video_item:nth-child(6) {
  -o-animation-delay: 1s;
  -moz-animation-delay: 1s;
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
}
.video-main .video_item .left_video {
  position: relative;
  width: 34.67%;
}
.video-main .video_item .cir {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54px;
  height: 54px;
  text-align: center;
  line-height: 54px;
  border-radius: 50%;
  background-color: #fff;
  /* 
    三维空间中的位移效果 
    可配合top 50% left：50% 等使用 ,使用时 left对应@x top对应@y
    top 50% left：50% 配合 translateNum(-50%,-50%,0) 可实现定位居中效果
*/
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
}
.video-main .video_item .cir::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  height: 68px;
  width: 68px;
  border: 1px solid #fff;
  border-radius: 50%;
  /* 
    三维空间中的位移效果 
    可配合top 50% left：50% 等使用 ,使用时 left对应@x top对应@y
    top 50% left：50% 配合 translateNum(-50%,-50%,0) 可实现定位居中效果
*/
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
}
.video-main .video_item .cir .iconfont {
  font-size: 18px;
  color: #e60012;
}
.video-main .video_item .picture_container {
  padding-top: 56.25%;
}
.video-main .video_item .picture_container::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}
.video-main .video_item .right_describe {
  width: 60.4%;
  padding-top: 20px;
}
.video-main .video_item .right_describe h3 {
  font-size: 20px;
  color: #333333;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.video-main .video_item .right_describe p {
  margin-top: 30px;
  margin-bottom: 50px;
  color: #999;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 64px;
  min-height: 64px;
  line-height: 32px;
}
.video-main .video_item .right_describe .article_bottom {
  color: #bbb;
}
.video-main .video_item .right_describe .article_bottom span {
  display: inline-block;
  line-height: 1;
}
.video-main .video_item .right_describe .article_bottom .date {
  padding-right: 20px;
}
.video-main .video_item .right_describe .article_bottom .tag {
  padding-left: 20px;
  border-left: 1px solid #bbb;
}
.video-main .video_item .right_describe .player {
  width: 165px;
  height: 44px;
  text-align: center;
  line-height: 44px;
  font-size: 18px;
  color: #fff;
  letter-spacing: 1px;
  background-color: #cccccc;
}
.video-main .video_item .right_describe .player:hover,
.video-main .video_item .right_describe .player.active {
  background-color: #e60012;
}
.video-main .video_view {
  position: fixed;
  top: 50%;
  left: 50%;
  display: none;
  z-index: 999;
  width: 1000px;
  height: 600px;
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
}

.video-main .video_view #video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
}
.video-main .video_view #video video{
  width:100%;
  height:100%;
}
.video-main .video_view #video iframe{
  width: 960px;
  height: 550px;
}

.video-main .video_view .close {
  position: absolute;
  right: 0;
  top: 0;
  font-size: 40px;
  cursor: pointer;
  z-index: 999;
}
.video-main .video_view .close:hover {
  color: #e60012;
}
.news_section .news_list_section {
  padding-bottom: 80px;
}
.news_section .news_title {
  padding-top: 80px;
  height: 162px;
  width: 100%;
  border-bottom: 1px solid #eee;
}
.news_section .news_title h2 {
  color: #333333;
  font-size: 34px;
  letter-spacing: 1px;
  font-weight: bold;
  text-align: center;
  line-height: 1;
}
.news_section .video_list {
  margin-bottom: 60px;
}
.news_section .video_item .center {
  padding: 40px 0;
  border-bottom: 1px dashed #eee;
}
.news_section .video_item:hover {
  background-color: #f9f9f9;
}
.news_section .video_item:hover .right_describe h3 {
  color: #e60012;
}
.news_section .video_item:hover .right_describe .article_bottom .tag {
  color: #e60012;
}
.news_section .video_item:hover .right_describe .article_bottom .iconfont {
  color: #e60012;
}
.news_section .video_item .left_video {
  position: relative;
  width: 26.25%;
}
.news_section .video_item .picture_container {
  padding-top: 60%;
}
.news_section .video_item .right_describe {
  width: 70.42%;
  padding-top: 5px;
  margin-left: 3%;
}
.news_section .video_item .right_describe h3 {
  font-size: 20px;
  color: #333333;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.news_section .video_item .right_describe p {
  margin-top: 30px;
  margin-bottom: 45px;
  color: #999;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 64px;
  min-height: 64px;
  line-height: 32px;
}
.news_section .video_item .right_describe .article_bottom {
  color: #bbb;
}
.news_section .video_item .right_describe .article_bottom span {
  display: inline-block;
  line-height: 1;
}
.news_section .video_item .right_describe .article_bottom .date {
  padding-right: 20px;
}
.news_section .video_item .right_describe .article_bottom .tag {
  padding-left: 20px;
  border-left: 1px solid #bbb;
}
.news_section .video_item .right_describe .article_bottom .iconfont {
  margin-left: 5px;
  font-size: 12px;
  color: #cccccc;
}
.news_details-main .news_title {
  position: relative;
  padding-top: 80px;
  height: 160px;
  /* border-bottom: 1px solid #eee; */
  line-height: 1;
}
.news_details-main .news_title h2 {
  font-size: 30px;
  color: #434343;
  text-align: center;
  letter-spacing: 1px;
}
.news_details-main .news_title .info_other {
  /* position: absolute;
  bottom: -7px;
  left: 50%;
  margin-left: -267px;
  width: 534px; */
  position: relative;
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
  padding:0 35px;
  font-size: 14px;
  color: #bbbbbb;
  background-color: #fff;
}
.news_details-main .news_title .info_wrap{
  position: relative;
  margin-top: 40px;
  width: 100%;
}
.news_details-main .news_title .info_wrap::after{
  content: "";
  position: absolute;
  top: 50%;
  left:0;
  width: 100%;
  border-bottom: 1px solid #eee;
  z-index: -1;
}
.news_details-main .news_title .info_other i {
  margin-left: 50px;
}
.news_details-main .news_title .info_other i:first-child {
  margin-left: 0;
}
.news_details-main .news_title .info_other a {
  display: inline;
}
.news_details-main .content {
  padding-top: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid #eee;
}
.news_details-main .article {
  padding-bottom: 80px;
}
.about-main h3 {
  margin-bottom: 40px;
  font-size: 34px;
  font-weight: bold;
  color: #333;
  line-height: 1;
  text-align: center;
}
.about-main .main1 {
  padding: 80px 0;
  background-color: #f9f9f9;
}
.about-main .main1 .content p {
  margin-top: 30px;
  line-height: 32px;
  color: #666;
  font-size: 16px;
}
.about-main .main1 .content p:nth-child(1) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.about-main .main1 .content p:nth-child(2) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.about-main .main1 .content p:nth-child(3) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.about-main .main1 .content p:nth-child(4) {
  -o-animation-delay: 0.8s;
  -moz-animation-delay: 0.8s;
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
}
.about-main .main1 .content p:first-child {
  margin: 0;
}
.about-main .main1 .content ul {
  margin-top: 50px;
}
.about-main .main1 .content li {
  width: 31.7%;
}
.about-main .main1 .content li:nth-child(1) {
  -o-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  animation-delay: 0.7s;
}
.about-main .main1 .content li:nth-child(2) {
  -o-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
.about-main .main1 .content li:nth-child(3) {
  -o-animation-delay: 1.1s;
  -moz-animation-delay: 1.1s;
  -webkit-animation-delay: 1.1s;
  animation-delay: 1.1s;
}
.about-main .main1 .content .picture_container {
  padding-top: 65.8%;
}
.about-main .culture_section {
  padding: 70px 0 80px;
}
.about-main .culture_section .culture_list {
  padding-top: 10px;
}
.about-main .culture_section .culture_list li {
  position: relative;
  width: 33.33%;
}
.about-main .culture_section .culture_list li:nth-child(1) .culture_item {
  background: url("../images/change/about_bottom1.jpg") center / cover no-repeat;
}
.about-main .culture_section .culture_list li:nth-child(3) .culture_item {
  background: url("../images/change/about_bottom2.jpg") center / cover no-repeat;
}
.about-main .culture_section .culture_list li:nth-child(4) .culture_item p {
  line-height: 30px;
}
.about-main .culture_section .culture_list li:nth-child(5) .culture_item {
  background: url("../images/change/about_bottom3.jpg") center / cover no-repeat;
}
.about-main .culture_section .culture_list li:nth-child(5) .culture_item p {
  line-height: 30px;
}
.about-main .culture_section .culture_list li:nth-child(6) .culture_item p {
  line-height: 30px;
}
.about-main .culture_section .culture_list li:nth-child(even) .culture_item {
  background-color: #f9f9f9;
}
.about-main .culture_section .culture_list li:nth-child(even) .culture_item h4 {
  color: #333333;
}
.about-main .culture_section .culture_list li:nth-child(even) .culture_item h4::after {
  border-bottom: 2px solid #e60012;
}
.about-main .culture_section .culture_list li:nth-child(even) .culture_item p {
  color: #888888;
}
.about-main .culture_section .culture_list li .culture_item {
  padding-top: 64%;
}
.about-main .culture_section .culture_item_txt_wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.about-main .culture_section .culture_item_txt {
  text-align: center;
  color: #fff;
}
.about-main .culture_section .culture_item_txt h4 {
  position: relative;
  font-size: 24px;
  letter-spacing: 1px;
  padding-bottom: 24px;
}
.about-main .culture_section .culture_item_txt h4::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  margin-left: -11px;
  width: 22px;
  border-bottom: 2px solid #fff;
}
.about-main .culture_section .culture_item_txt p {
  margin-top: 35px;
  line-height: 1.5;
  padding: 0 5px;
}
.contact-main h3 {
  font-size: 34px;
  line-height: 1;
  color: #333;
  letter-spacing: 1px;
  text-align: center;
  font-weight: bold;
}
.contact-main .contact_section {
  padding: 80px 0 20px;
}
.contact-main .contact_section .info_list {
  margin-top: 60px;
}
.contact-main .contact_section .item {
  margin-bottom: 50px;
}
.contact-main .contact_section .item:nth-child(3n-2) {
  width: 39.17%;
}
.contact-main .contact_section .item:nth-child(3n-1) {
  width: 39.6%;
}
.contact-main .contact_section .item:nth-child(3n) {
  margin-right: 0;
  width: 21.23%;
}
.contact-main .contact_section dl dt {
  padding-left: 15px;
  margin-bottom: 30px;
  font-weight: bold;
  font-size: 20px;
  color: #666;
  line-height: 1;
  border-left: 3px solid #e60012;
}
.contact-main .contact_section dl dd {
  color: #888;
  font-size: 16px;
  line-height: 32px;
}
.contact-main .map_section .center {
  position: relative;
}
.contact-main .map_section .address {
  position: absolute;
  top: 160px;
  left: 443px;
  width: 280px;
  height: 127px;
  padding: 25px 25px 18px;
  background-color: #fff;
}
.contact-main .map_section .address::after {
  content: "";
  position: absolute;
  bottom: -22px;
  left: 145px;
  width: 27px;
  height: 23px;
  background: url("../images/public/sanjiaoxing.png") center / contain no-repeat;
}
.contact-main .map_section .address .addr_name {
  font-size: 18px;
  color: #e60012;
  line-height: 1;
}
.contact-main .map_section .address .addr_info {
  margin-top: 12px;
  color: #444444;
  font-size: 14px;
  line-height: 28px;
}
.contact-main .online_section {
  padding: 80px 0;
}
.contact-main .online_section .form_wrap {
  margin-top: 50px;
  padding: 40px 60px;
  border: 1px solid #eee;
  border-radius: 10px;
}
.contact-main .online_section li {
  margin-bottom: 30px;
  width: 47.2%;
}
.contact-main .online_section li p {
  margin-bottom: 20px;
  font-size: 20px;
  line-height: 1;
}
.contact-main .online_section li p span {
  color: #e60012;
}
.contact-main .online_section li input {
  padding: 0 20px;
  height: 50px;
  width: 100%;
  color: #cccccc;
  font-size: 16px;
  background-color: #f9f9f9;
  border-radius: 5px;
}
.contact-main .online_section li input::-webkit-input-placeholder {
  color: #ccc;
}
.contact-main .online_section li input:-moz-placeholder {
  color: #ccc;
}
.contact-main .online_section li input:-ms-input-placeholder {
  color: #ccc;
}
.contact-main .online_section li input::placeholder {
  color: #ccc;
}
.contact-main .online_section li input.code {
  width: 150px;
  margin-right: 40px;
}
.contact-main .online_section li img {
  margin-right: 20px;
}
.contact-main .online_section li .cut {
  font-size: 16px;
  color: #e60012;
  text-decoration: underline;
  cursor: pointer;
}
.contact-main .online_section li.text_area {
  width: 100%;
}
.contact-main .online_section li textarea {
  padding: 12px 20px;
  width: 100%;
  height: 150px;
  font-size: 16px;
  border-radius: 5px;
  color: #ccc;
  background-color: #f9f9f9;
}
.contact-main .online_section li textarea::-webkit-input-placeholder {
  color: #ccc;
}
.contact-main .online_section li textarea:-moz-placeholder {
  color: #ccc;
}
.contact-main .online_section li textarea:-ms-input-placeholder {
  color: #ccc;
}
.contact-main .online_section li textarea::placeholder {
  color: #ccc;
}
.contact-main .online_section #submit {
  display: block;
  margin: 0 auto;
  width: 210px;
  height: 44px;
  font-size: 18px;
  border-radius: 5px;
  background-color: #e60012;
  color: #fff;
  letter-spacing: 1px;
  cursor: pointer;
}
.map_main .map_section {
  padding: 70px;
}
.map_main .map_section .xg_title {
  text-align: center;
}
.map_main .map_section h3 {
  font-size: 40px;
  font-weight: bold;
  line-height: 1.5;
}
.map_main .map_section p {
  color: #999;
}
.map_main .map_section dl {
  padding: 30px;
  margin-top: 50px ;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 20px;
}
.map_main .map_section dt {
  width: 100%;
  font-size: 30px;
  font-weight: bold;
}
.map_main .map_section dd {
  margin-top: 30px;
  width: 30%;
}