.container {
  width: 1440px;
  background-color: #fff;
  margin: 0 auto;
}

.container .official {
  width: 100%;
  height: 350px;
}

.container .official img {
  width: 100%;
  height: 100%;
}

.container .news {
  width: 100%;
}

.container .news .content {
  width: 1291px;
  height: 725px;
  margin: 0 auto;
  background: url(../images/content.png) no-repeat;
  background-size: 100% 100%;
}

.container .news .content .cont-cen {
  width: calc(100% - 94px);
  margin: 0 auto;
  padding-top: 44px;
}

.container .news .content .cont-cen .cen-t {
  width: 100%;
  height: 318px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.container .news .content .cont-cen .cen-t .cen-t-l {
  width: 568px;
  height: 100%;
}

.container .news .content .cont-cen .cen-t .cen-t-l img {
  width: 100%;
  height: 100%;
}

.container .news .content .cont-cen .cen-t .cen-t-r {
  width: 585px;
  height: 334px;
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #0b0b0b;
  line-height: 30px;
  text-align: left;
  font-style: normal;
  text-indent: 2em;
}

.container .news .content .cont-cen .cen-b {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 45px;
}

.container .news .content .cont-cen .cen-b .li {
  width: 270px;
}

.container .news .content .cont-cen .cen-b .li .dt {
  width: 100%;
  height: 180px;
}

.container .news .content .cont-cen .cen-b .li .dt img {
  width: 100%;
  height: 100%;
}

.container .news .content .cont-cen .cen-b .li .dd {
  width: 100%;
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #333333;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  margin-top: 18px;
}

.container .white-paper {
  width: 100%;
}

.container .white-paper .white-paper-content {
  width: 1440px;
  height: 396px;
  margin: 0 auto;
  background: url(../images/white-paper-content.png) no-repeat;
  background-size: 100% 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.container .white-paper .white-paper-content .white-paper-content-l {
  width: 497px;
  height: 296px;
  margin-left: 56px;
  margin-top: 48px;
}

.container .white-paper .white-paper-content .white-paper-content-l img {
  width: 100%;
  height: 100%;
}

.container .white-paper .white-paper-content .white-paper-content-r {
  width: 780px;
  font-family: MicrosoftYaHei;
  font-size: 20px;
  color: #0b0b0b;
  line-height: 40px;
  text-align: left;
  font-style: normal;
  text-indent: 2em;
  margin-right: 30px;
  margin-top: 44px;
}

.container .white-paper .white-paper-content .white-paper-content-r p:nth-last-child(1) {
  font-family: MicrosoftYaHei;
  font-size: 20px;
  color: #f90000 !important;
  line-height: 40px;
  text-align: right;
  font-style: normal;
}

.container .white-paper .white-paper-content .white-paper-content-r p:nth-last-child(1) a {
  color: #f90000 !important;
  text-decoration: none;
}

.container .theme-film {
  width: 100%;
}

.container .theme-film .theme-film-content {
  width: 1180px;
  height: 726px;
  margin: 0 auto;
  background: #000000;
}

.container .theme-film .theme-film-content video {
  margin: 20px;
  margin-bottom: 0;
}

.container .theme-film .theme-film-content .text_7 {
  width: 100%;
  height: 60px;
  overflow-wrap: break-word;
  color: white;
  font-size: 24px;
  font-family: SourceHanSansSC-Medium;
  font-weight: 500;
  text-align: center;
  line-height: 60px;
}

.container .certificate {
  width: 100%;
}

.container .certificate .certificate-content {
  width: calc(100% - 174px);
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex-wrap: wrap;
}

.container .certificate .certificate-content .certificate-content-li {
  width: 624px;
  margin-bottom: 66px;
}

.container .certificate .certificate-content .certificate-content-li .tw {
  display: flex;
  flex-direction: row;
}

.container .certificate .certificate-content .certificate-content-li .tw .label {
  width: 46px;
  height: 46px;
  margin-right: 20px;
}

.container .certificate .certificate-content .certificate-content-li .tw .label img {
  width: 100%;
  height: 100%;
}

.container .certificate .certificate-content .certificate-content-li .tw .text {
  width: 557px;
  height: 48px;
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #0b0b0b;
  line-height: 24px;
  text-align: left;
  font-style: normal;
}

.container .certificate .certificate-content .certificate-content-li .xian {
  width: 347px;
  height: 1px;
}

.container .certificate .certificate-content .certificate-content-li .xian img {
  width: 100%;
  height: 100%;
}

.container .symposium {
  width: 100%;
  margin-top: 77px;
}

.container .exhibition {
  width: 100%;
}

.container .exhibition .exhibition-content {
  width: calc(100% - 36px);
  padding: 0 18px;
  height: 725px;
  padding-top: 30px;
  background: url(../images/exhibition.png) no-repeat;
  background-size: 100% 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex-wrap: wrap;
}

.container .exhibition .exhibition-content .exhibition-li {
  width: 454px;
  margin-bottom: 20px;
}

.container .exhibition .exhibition-content .exhibition-li .dt {
  width: 454px;
  height: 269px;
}

.container .exhibition .exhibition-content .exhibition-li .dt img {
  width: 100%;
  height: 100%;
}

.container .exhibition .exhibition-content .exhibition-li .dd {
  width: 100%;
  height: 72px;
  line-height: 72px;
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #0b0b0b;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  background: #ffffff;
}

.container .exhibition .exhibition-content .exhibition-li .dd a {
  line-height: 72px;
  color: #0b0b0b;
  text-decoration: none;
}

.container .footer {
  width: 100%;
  height: 214px;
  background: #d82903;
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

.container .footer .footer-l {
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #ffffff;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  margin-left: 0px;
  margin-top: 70px;
}

.container .footer .footer-ewm {
  display: flex;
  margin-top: 52px;
}

.container .footer .footer-ewm .dl {
  width: 100px;
  text-align: center;
  margin-left: 48px;
}

.container .footer .footer-ewm .dl .dt {
  width: 84px;
  height: 84px;
  margin: 0 auto;
}

.container .footer .footer-ewm .dl .dt img {
  width: 100%;
  height: 100%;
}

.container .footer .footer-ewm .dl .dd {
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #ffffff;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  margin-top: 6px;
}

.container .footer .footer-content {
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #ffffff;
  line-height: 30px;
  text-align: left;
  font-style: normal;
  margin-left: 50px;
  margin-top: 48px;
}

.container .column {
  width: 100%;
  height: 88px;
  margin-top: 5px;
  margin-bottom: 0;
  position: relative;
}

.container .column img {
  width: 100%;
  height: 100%;
}

.container .column a {
  position: absolute;
  right: 30px;
  bottom: 0;
  font-family: MicrosoftYaHei;
  font-size: 20px;
  color: #f90000;
  line-height: 40px;
  text-align: left;
  font-style: normal;
}

.container .white-paper-ts {
  width: 100%;
  height: 134px;
}

.container .white-paper-ts img {
  width: 100%;
  height: 100%;
}