.index_container {min-width: 1199px;}
*{font-family:思源柔黑体 !important}
#my-player {
  width: 900px;
  height: 506px;
  margin: 0 auto;
}

.mfp-close-btn-in .mfp-close {
  top: -44px;
  color: #FFF !important;
  text-align: right;
  right: 1px;
  width: 100%;
  font-size: 28px;
}

@media screen and (max-width: 767px) {
  #my-player {
    width: 100%;
    height: 180px;
    padding: 0 20px;
  }
}
.first_background {
  padding-top: 119px;
  background-color: #001838;
  position: relative;
  overflow: hidden;
}
.first_background .kv_block {
  display: flex;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}
.first_background .kv_block .kv_img {
  background-image: url("../image/matek_index_kv.png");
  background-size: 100%;
  width: 405px;
  height: 632px;
  background-repeat: no-repeat;
  overflow-y: visible;
  position: absolute;
  top: -50px;
  left: 37px;
  background-position: center;
}
.first_background .kv_block .top_item {
  max-width: 1200px;
  padding-bottom: 58px;
  position: relative;
  z-index: 1;
 
}
.first_background .kv_block .top_item h1 {
  font-size: 36px;
  line-height: 65px;
  max-height: 195px;
  overflow: hidden;
  color: #fff;
  font-weight: bold;
}
.first_background .kv_block .top_item p.inner_content {
  font-size: 16px;
  line-height: 24px;
  margin: 15px 0 20px;
  color: #fff;
  max-height: 48px;
  overflow: hidden;
}
.first_background .kv_block .top_item .common_btn {
  min-width: 150px;
  line-height: 50px;
}
.first_background .service_block {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  padding-bottom: 37px;
  position: relative;
}
.first_background .service_block .service_slide {
  width: calc((100% - 80px) / 3);
}
.first_background .service_block .service_slide .sevice_info a {
  text-decoration: none;
}
.first_background .service_block .service_slide .sevice_info .img {
  overflow: hidden;
}
.first_background .service_block .service_slide .sevice_info .img .inner_img {
  background-size: cover;
  background-position: center;
  width: 100%;
  padding-top: 74.8%;
  background-repeat: no-repeat;
  transition: transform 0.6s ease;
}
.first_background .service_block .service_slide .sevice_info .img .inner_img:hover {
  transform: scale(1.1, 1.1) translateZ(0);
}
.first_background .service_block .service_slide .sevice_info h2 {
  font-size: 16px;
  line-height: 30px;
  color: #fff;
  margin: 20px 0 10px;
  max-height: 60px;
  overflow: hidden;
}
.first_background .service_block .service_slide .sevice_info p {
  font-size: 16px;
  line-height: 24px;
  color: #fff;
}
.first_background .service_block .service_next {
  background-image: url("../image/matek_index_icon.svg");
  width: 30px;
  height: 30px;
  top: -60px;
  right: 40px;
  position: absolute;
  outline: none;
  margin-top: 0;
  transition: opacity 0.3s ease-in-out;
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: center;
  z-index: 1;
}
.first_background .service_block .service_next::after {
  display: none;
}
.first_background .service_block .service_next .hover_img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  width: 100%;
  height: 100%;
}
.first_background .service_block .service_next .hover_img img {
  vertical-align: top;
}
.first_background .service_block .service_next:hover .hover_img {
  opacity: 1;
}
.first_background .service_block .mobile_arrow {
  height: 30px;
  pointer-events: none;
  right: 91px;
  left: auto;
  position: absolute;
  top: -63px;
  z-index: 2;
}
.first_background .service_block .mobile_arrow i {
  font-size: 22px;
  line-height: 30px;
  color: #fff;
}
.first_background .service_block .mobile_arrow_right {
  pointer-events: none;
  height: 30px;
  top: -63px;
  right: 31px;
  left: auto;
  position: absolute;
  z-index: 2;
}
.first_background .service_block .mobile_arrow_right i {
  font-size: 22px;
  line-height: 30px;
  color: #fff;
}
.first_background .service_block .swiper-button-next:after,
.first_background .service_block .swiper-button-prev:after {
  font-variant: none;
}
.first_background .service_block .service_prev {
  background-image: url("../image/matek_index_icon_left.svg");
  width: 30px;
  height: 30px;
  right: 100px;
  left: auto;
  position: absolute;
  top: -60px;
  outline: none;
  margin-top: 0;
  transition: opacity 0.3s ease-in-out;
  z-index: 1;
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: center;
}
.first_background .service_block .service_prev::after {
  display: none;
}
.first_background .service_block .service_prev .hover_img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  width: 100%;
  height: 100%;
}
.first_background .service_block .service_prev .hover_img img {
  vertical-align: top;
}
.first_background .service_block .service_prev:hover .hover_img {
  opacity: 1;
}
.first_background .service_block .bottom_img {
  max-width: 830px;
  position: absolute;
  bottom: 0;
  right: 0;
}

.second_background {
  background: linear-gradient(to bottom, #F6F8FC, #EFF8FE);
  background-size: cover;
  background-position: center;
  width: 100%;
  padding: 100px 0px 160px;
  background-repeat: repeat-x;
}
.second_background .ap_container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}
.second_background .ap_container .title {
  font-size: 50px;
  line-height: 65px;
  color: #00275A;
  margin-bottom: 70px;
  text-align: center;
}
.second_background .ap_container .ap_block {
  display: flex;
  flex-wrap: wrap;
  position: relative;
  width: 100%;
  z-index: 30;
}
.second_background .ap_container .ap_block .bg_content {
  width: 20%;
  padding: 50px 20px 0;
  height: 500px;
  position: relative;
}
.second_background .ap_container .ap_block .bg_content::before {
  width: 100%;
  height: 100%;
  content: "";
  top: 0;
  left: 0;
  background-image: url("../image/matek_index_apmask.png");
  display: block;
  position: absolute;
  pointer-events: none;
  z-index: 10;
  background-size: cover;
  background-position: center;
}
.second_background .ap_container .ap_block .bg_content:first-of-type a div {
  background-image: url("../image/matek_index_ap1.jpg");
}
.second_background .ap_container .ap_block .bg_content:nth-of-type(2) a div {
  background-image: url("../image/matek_index_ap2.jpg");
}
.second_background .ap_container .ap_block .bg_content:nth-of-type(3) a div {
  background-image: url("../image/matek_index_ap3.jpg");
}
.second_background .ap_container .ap_block .bg_content:nth-of-type(4) a div {
  background-image: url("../image/matek_index_ap4.jpg");
}
.second_background .ap_container .ap_block .bg_content:nth-of-type(5) a div {
  background-image: url("../image/matek_index_ap5.jpg");
}
.second_background .ap_container .ap_block .bg_content .bg_cover {
  width: 102%;
  height: 100%;
  display: block;
  position: absolute;
  left: -1%;
  top: 0;
  overflow: hidden;
  display: block;
  border: 1px solid transparent;
}
.second_background .ap_container .ap_block .bg_content .bg_cover div {
  display: block;
  width: 104%;
  height: 100%;
  position: absolute;
  top: 0;
  left: -2%;
  transition: all 0.6s;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}
.second_background .ap_container .ap_block .bg_content .bg_cover div:hover {
  transform: scale3d(1.1, 1.1, 1.1) translateZ(0);
}
.second_background .ap_container .ap_block .bg_content .ap_info {
  z-index: 12;
  position: relative;
  pointer-events: none;
}
.second_background .ap_container .ap_block .bg_content .ap_info h3 {
  font-size: 40px;
  line-height: 52px;
  max-height: 104px;
  overflow: hidden;
  color: #fff;
  margin-bottom: 6px;
  font-weight: bold;
}
.second_background .ap_container .ap_block .bg_content .ap_info p {
  max-height: 28px;
  overflow: hidden;
  color: #fff;
}

.third_background {
  background-image: url(../image/matek_index_101.png);
  background-size: 100%;
  background-position: bottom center;
  width: 100%;
  background-repeat: no-repeat;
}
.third_background .bottom_container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}
.third_background .bottom_container .featured_block {
  padding-bottom: 100px;
  padding-top: 100px;
}
.third_background .bottom_container .featured_block .title {
  position: relative;
  margin-bottom: 80px;
  text-align: center;
}
.third_background .bottom_container .featured_block .title p {
  font-size: 50px;
  line-height: 65px;
  color: #00275A;
}
.third_background .bottom_container .featured_block .title .sub_title {
  font-size: 18px;
  line-height: 28px;
  color: #8DA2A8;
  position: absolute;
  right: 0;
  bottom: 0;
  text-decoration: none;
  padding-right: 19px;
}
.third_background .bottom_container .featured_block .title .sub_title:hover {
  color: #0093FF;
}
.third_background .bottom_container .featured_block .title .sub_title::after {
  content: "";
  display: inline-block;
  font: normal normal normal 14px/1 FontAwesome;
  color: #39C2DE;
  font-size: 25px;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
}
.third_background .bottom_container .featured_block .inner_content {
  display: flex;
  flex-wrap: wrap;
}
.third_background .bottom_container .featured_block .inner_content a {
  text-decoration: none;
}
.third_background .bottom_container .featured_block .inner_content .featured_info {
  width: calc((100% - 160px) / 2);
  margin-right: 80px;
}
.third_background .bottom_container .featured_block .inner_content .featured_info:last-of-type {
  margin-right: 0;
}
.third_background .bottom_container .featured_block .inner_content .featured_info:hover p {
  color: #0093FF;
}
.third_background .bottom_container .featured_block .inner_content .featured_info .theme {
  font-size: 20px;
  line-height: 30px;
  color: #fd9d00;
}
.third_background .bottom_container .featured_block .inner_content .featured_info .svg {
  background-image: url("../image/matek_index_feature.png");
  background-size: 100%;
  background-position: left;
  width: 100%;
  margin: 5px 0 20px;
  height: 3px;
}
.third_background .bottom_container .featured_block .inner_content .featured_info .time {
  font-size: 16px;
  line-height: 24px;
  color: #607D8B;
  padding-bottom: 10px;
}
.third_background .bottom_container .featured_block .inner_content .featured_info p {
  font-size: 24px;
  line-height: 36px;
  color: #37474F;
  transition: color 0.3s ease;
}
.third_background .bottom_container .highlight_info {
  display: flex;
  flex-wrap: wrap;
  padding-bottom: 30px;
}
.third_background .bottom_container .highlight_info .highlight_block {
  width: calc((100% - 40px) / 2);
}
.third_background .bottom_container .highlight_info .highlight_block:first-of-type {
  margin-right: 40px;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_bg {
  position: relative;
  background-size: cover;
  background-position: center;
  width: 100%;
  background-repeat: no-repeat;
  padding-top: 60.53%;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block {
  position: relative;
  bottom: 130px;
  left: 40px;
  background-color: #fff;
  width: 400px;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block:hover p.learn {
  color: #0093FF;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block a {
  text-decoration: none;
  padding: 70px 30px 30px;
  display: block;
  min-height: 225px;
  box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.16);
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block .title {
  position: absolute;
  top: 0;
  left: 0;
  padding: 6px 24px;
  background-color: #E68423;
  color: #fff;
  width:100%;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block h2 {
  font-size: 24px;
  line-height: 36px;
  color: #00275A;
  max-height: 144px;
  overflow: hidden;
  transition: color 0.2s ease;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block .learn {
  position: relative;
  margin-top: 28px;
  display: flex;
  justify-content: flex-end;
  color: #8DA2A8;
  padding-right: 19px;
  transition: color 0.2s ease;
}
.third_background .bottom_container .highlight_info .highlight_block .inner_block .learn::after {
  content: "";
  display: inline-block;
  font: normal normal normal 14px/1 FontAwesome;
  color: #39C2DE;
  font-size: 25px;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transform: rotate(180deg) translateY(50%);
  position: absolute;
  top: 50%;
  right: 0;
}
.third_background .bottom_container .video_block {
  display: flex;
  flex-wrap: wrap;
  padding-bottom: 160px;
}
.third_background .bottom_container .video_block .video_left {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url("../image/matek_index_video.jpg");
  margin-right: 40px;
  width: calc((100% - 40px) / 2);
}
.third_background .bottom_container .video_block .video_left a {
  padding-top: 60.6%;
  display: block;
  height: 100%;
  width: 100%;
}
.third_background .bottom_container .video_block .video_left:hover .play .hover_play {
  opacity: 1;
}
.third_background .bottom_container .video_block .video_left .play {
  transition: opacity 0.3s ease-in-out;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 27%;
}
.third_background .bottom_container .video_block .video_left .play .hover_play {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}
.third_background .bottom_container .video_block .video_right {
  width: calc((100% - 40px) / 2);
  padding-top: 40px;
}
.third_background .bottom_container .video_block .video_right h5 {
  font-size: 36px;
  line-height: 45px;
  color: #00275A;
  max-height: 135px;
  overflow: hidden;
}
.third_background .bottom_container .video_block .video_right p.inner_content {
  max-height: 112px;
  color: #37474F;
  margin: 40px 0 50px;
  overflow: hidden;
}
.third_background .bottom_container .letter_block {
  max-width: 600px;
  padding-bottom: 392px;
}
.third_background .bottom_container .letter_block h4 {
  font-size: 50px;
  line-height: 65px;
  color: #00275A;
  max-height: 195px;
  overflow: hidden;
}
.third_background .bottom_container .letter_block p.inner_content {
  max-height: 112px;
  color: #37474F;
  margin: 40px 0 50px;
  overflow: hidden;
}

@media screen and (max-width: 1366px) and (min-width: 768px) {
  .first_background .kv_block .top_item {
    margin-left: 487px;
  }
}
@media screen and (max-width: 1199px) {
  .first_background .service_block {
    padding: 0 20px;
    padding-bottom: 137px;
  }

  .first_background .service_block .service_next {
    right: 20px;
  }

  .first_background .service_block .service_prev {
    right: 80px;
  }

  .first_background .service_block .bottom_img {
    padding: 0 20px;
  }
}
@media screen and (max-width: 767px) {
  .index_container {
    min-width: auto;
  }

  .first_background {
    padding-top: 110px;
    overflow-x: hidden;
  }
  .first_background .kv_block {
    padding: 0 20px;
  }
  .first_background .kv_block .kv_img {
    background-size: 301px;
    width: 83.61%;
    height: 485px;
    background-repeat: no-repeat;
    overflow-y: visible;
    position: absolute;
    top: 45px;
    left: auto;
    right: -75px;
    background-position: right;
  }
  .first_background .kv_block .top_item {
    padding-bottom: 130px;
  }
  .first_background .kv_block .top_item h1 {
    font-size: 36px;
    line-height: 54px;
    max-height: none;
    overflow: visible;
  }
  .first_background .kv_block .top_item p.inner_content {
    max-height: none;
    overflow: visible;
  }
  .first_background .service_block {
    width: 360px;
    padding: 0 20px;
    padding-bottom: 80px;
  }
  .first_background .service_block .service_slide {
    width: 100%;
  }
  .first_background .service_block .service_slide .sevice_info h2 {
    margin: 20px 0 20px;
    max-height: none;
    overflow: visible;
  }
  .first_background .service_block .service_next {
    background-image: url("../image/matek_index_hicon.svg");
    top: -50px;
    right: 20px;
  }
  .first_background .service_block .service_prev {
    background-image: url("../image/matek_index_hicon_left.svg");
    top: -50px;
    right: 80px;
  }
  .first_background .service_block .mobile_arrow_right {
    top: -50px;
  }
  .first_background .service_block .mobile_arrow {
    top: -50px;
  }

  .first_background .kv_block .top_item {
    margin-left: 0;
  }

  .second_background {
    background-image: none;
    background-color: #ECEFF1;
    width: 100%;
    padding: 60px 0;
  }
  .second_background .ap_container .title {
    font-size: 36px;
    line-height: 48px;
    margin-bottom: 40px;
  }
  .second_background .ap_container .ap_block .bg_content {
    width: 100%;
    padding: 30px 30px 0;
    height: 200px;
  }
  .second_background .ap_container .ap_block .bg_content .ap_info h3 {
    font-size: 30px;
    line-height: 45px;
    max-height: 90px;
  }

  .second_background .ap_container .ap_block .bg_content .bg_cover {
    width: 100%;
    left: 0;
    top: 0;
    border: 0;
  }

  .mfp-close {
    opacity: 1 !important;
  }

  .third_background {
    background-image: url("../image/matek_index_m101.png");
    background-size: auto;
  }
  .third_background .bottom_container .featured_block {
    padding-bottom: 80px;
    padding-top: 60px;
  }
  .third_background .bottom_container .featured_block .title {
    position: relative;
    text-align: center;
    margin-bottom: 51px;
  }
  .third_background .bottom_container .featured_block .title p {
    font-size: 36px;
    line-height: 48px;
    margin-bottom: 32px;
  }
  .third_background .bottom_container .featured_block .title .sub_title {
    position: relative;
    margin-bottom: 51px;
  }
  .third_background .bottom_container .featured_block .inner_content .featured_info {
    width: 100%;
    margin-right: 0;
  }
  .third_background .bottom_container .featured_block .inner_content .featured_info:nth-of-type(n+2) {
    margin-top: 60px;
  }
  .third_background .bottom_container .featured_block .inner_content .featured_info p {
    font-size: 20px;
    line-height: 30px;
  }
  .third_background .bottom_container .highlight_info {
    padding-bottom: 20px;
  }
  .third_background .bottom_container .highlight_info .highlight_block {
    width: calc(100% + 40px);
    margin-right: -20px;
    margin-left: -20px;
  }
  .third_background .bottom_container .highlight_info .highlight_block:first-of-type {
    margin-right: -20px;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_bg {
    padding-top: 61.7%;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block {
    position: relative;
    bottom: 20px;
    left: 0;
    background-color: #fff;
    width: calc(100% - 40px);
    margin: 0 auto;
    margin-bottom: 40px;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block:hover p.learn {
    color: #0093FF;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block a {
    text-decoration: none;
    padding: 70px 30px 30px;
    display: block;
    min-height: 225px;
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.16);
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block h2 {
    font-size: 24px;
    line-height: 36px;
    max-height: none;
    overflow: visible;
    transition: color 0.2s ease;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block .learn {
    position: relative;
    margin-top: 28px;
    display: flex;
    justify-content: flex-end;
    color: #8DA2A8;
    padding-right: 19px;
    transition: color 0.2s ease;
  }
  .third_background .bottom_container .highlight_info .highlight_block .inner_block .learn::after {
    content: "";
    display: inline-block;
    font: normal normal normal 14px/1 FontAwesome;
    color: #39C2DE;
    font-size: 25px;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transform: rotate(180deg) translateY(50%);
    position: absolute;
    top: 50%;
    right: 0;
  }
  .third_background .bottom_container .video_block {
    display: flex;
    flex-wrap: wrap;
    padding-bottom: 80px;
  }
  .third_background .bottom_container .video_block .video_left {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .third_background .bottom_container .video_block .video_right {
    width: 100%;
    padding-top: 0;
  }
  .third_background .bottom_container .video_block .video_right h5 {
    font-size: 30px;
    max-height: none;
    overflow: visible;
  }
  .third_background .bottom_container .video_block .video_right p.inner_content {
    margin-top: 30px;
    max-height: none;
    overflow: visible;
  }
  .third_background .bottom_container .letter_block {
    max-width: 500px;
    padding-bottom: 233px;
  }
  .third_background .bottom_container .letter_block h4 {
    font-size: 36px;
    max-height: none;
    overflow: visible;
  }
  .third_background .bottom_container .letter_block p.inner_content {
    color: #37474F;
    margin: 30px 0 50px;
    max-height: none;
    overflow: visible;
  }
}

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