.about_main {
  background-color: #fff;
}
.flex_direction {
  -moz-flex-direction: row-reverse;
  -ms-flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
  flex-direction: row-reverse;
}
.flex_direction_column {
  -moz-flex-direction: column-reverse;
  -ms-flex-direction: column-reverse;
  -webkit-flex-direction: column-reverse;
  flex-direction: column-reverse;
}
@font-face {
  font-family: "ZCOOL-Addict-Italic-01";
  src: url('../fonts/ZCOOL-Addict-Italic-01-2.ttf') format('truetype');
}
@font-face {
  font-family: "AbrilFatface-Regular";
  src: url('../fonts/AbrilFatface-Regular.otf') format('opentype');
}
.about_main img{
  max-width: 100%;
}
.about_main section {
  overflow: hidden;
}
.about_main .swiper2_section {
  overflow: visible;
}
.about_main .title_text {
  font-size: 36px;
  font-weight: bold;
  display: none;
}
.about_main .title_text i {
  width: 64px;
  height: 64px;
  text-align: center;
  line-height: 62px;
  border-radius: 50%;
  border: 1px solid #333;
  display: inline-block;
}
.about_main .title_right_wrap {
  overflow: hidden;
}
.about_main .xg_about_title {
  margin: 0 auto;
  max-width: 1400px;
}
.about_main .xg_about_title .title_right {
  position: relative;
  margin-left: 36px;
  overflow: hidden;
}
.about_main .xg_about_title .title_right .bottom_line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid #333;
}
.about_main .xg_about_title .iconfonts {
  position: relative;
  margin-bottom: -3px;
  font-size: 45px;
  color: #333333;
}
.about_main .xg_about_title span {
  padding-bottom: 10px;
  display: inline-block;
  font-size: 20px;
  color: #333333;
  opacity: 0.6;
  font-family: ZCOOL-Addict-Italic-01;
}
.about_main .my_section {
  padding-top: 120px;
  padding-bottom: 128px;
}
.about_main .my_section > div {
  width: 46.875%;
}
.about_main .my_section .text_img_left {
  padding-right: 20px;
}
.about_main .my_section .text_img_left .content {
  width: 620px;
}
.about_main .my_section .text_img_left .content .img_wrap {
  margin-top: 65px;
  width: 100%;
  max-height: 650px;
  overflow: hidden;
}
.about_main .my_section .text_img_left .content .img {
  width: 100%;
}
.about_main .my_section .text_img_left h3 {
  font-size: 22px;
  font-weight: bold;
}
.about_main .my_section .text_img_left p {
  margin-top: 55px;
  line-height: 40px;
  font-size: 16px;
  color: #666;
  text-align: justify;
  font-family: simsun;
}
.about_main .my_section .text_img_right .article_right {
  width: 100%;
}
.about_main .my_section .text_img_right h3 {
  font-size: 50px;
  font-family: AbrilFatface-Regular;
}
.about_main .my_section .text_img_right h3 span {
  color: #ff9c00;
}
.about_main .my_section .text_img_right .content_right {
  width: 688px;
}
.about_main .my_section .text_img_right .content_right .sub_title {
  margin-top: 45px;
  margin-bottom: 84px;
  font-size: 20px;
  font-family: ZCOOL-Addict-Italic-01;
  color: #333333;
}
.about_main .my_section .text_img_right .content_right .sub_title span {
  position: relative;
  display: inline-block;
  height: 100%;
  width: 28px;
}
.about_main .my_section .text_img_right .content_right .sub_title span::before {
  content: "";
  position: absolute;
  left: 0;
  margin-top: -7px;
  top: 50%;
  width: 100%;
  border-bottom: 1px solid #333;
}
.about_main .story_section {
  position: relative;
  padding-top: 90px;
  padding-bottom: 33.6%;
  background: #fafbfd url("../images/about/about_bg2.png") center / cover no-repeat;
}
.about_main .story_section .experience {
  position: absolute;
  bottom: -20.25%;
  right:calc((100% - 1400px)/2 );
  padding: 20px 0;
  width: 55.2%;
  height: 92.5%;
  background-color: #fff;
  box-shadow: 0px 7px 21px 0px rgba(155, 155, 155, 0.07);
  overflow: hidden;
  -moz-flex-direction: row-reverse;
  -ms-flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
  flex-direction: row-reverse;
}
.about_main .story_section .experience .screen_title {
  display: none;
  margin-top: 20px;
  margin-bottom: 10px;
}
.about_main .story_section .experience li {
  width: 33.33%;
  border-right: 1px solid #eee;
}
.about_main .story_section .experience li:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.about_main .story_section .experience li:nth-child(2) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.about_main .story_section .experience li:nth-child(3) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.about_main .story_section .experience li:first-child {
  border: none;
}
.about_main .story_section .experience p {
  margin-right: 20px;
  max-height: 520px;
  writing-mode: tb-rl;
  text-align: justify;
  font-weight: lighter;
  color: #666666;
  letter-spacing: 2px;
  line-height: 34px;
  font-size: 14px;
}
.about_main .stem_section {
  margin-top: 160px;
  padding-top: 120px;
  padding-bottom: 130px;
}
.about_main .stem_section .stem_info {
  margin-top: 80px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}
.about_main .stem_section .stem_info .swiper {
  position: relative;
  width: 26.4%;
}
.about_main .stem_section .stem_info .swiper .swiper-slide {
  position: relative;
  padding-bottom: 20px;
  padding-right: 20px;
}
.about_main .stem_section .stem_info .swiper::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 20px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  background-color: rgba(229, 229, 229, 0.5);
}
.about_main .stem_section .stem_info .describe {
  position: relative;
  width: 62.1%;
  overflow: hidden;
}
.about_main .stem_section .stem_info .describe p {
  font-size: 16px;
  line-height: 36px;
  color: #555555;
  text-align: justify;
}
.about_main .stem_section .stem_info .describe .bg_text {
  position: absolute;
  right: 36px;
  font-size: 2.7rem;
  opacity: 0.04;
  text-align: justify;
  line-height: 1;
  font-family: AbrilFatface-Regular;
}
.about_main .stem_section .stem_info .describe .swiper_page {
  position: absolute;
  bottom: 80px;
}
.about_main .stem_section .stem_info .describe .swiper_page a {
  margin-right: 1px;
  width: 60px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  background-color: #3d3d3d;
}
.about_main .stem_section .stem_info .describe .swiper_page a:hover {
  background-color: #ff9c00;
}
.about_main .stem_section .stem_info .describe .swiper_page a .iconfonts {
  font-size: 18px;
  color: #fff;
}
.about_main .stem_section .stem_info .describe .scrollbar {
  position: absolute;
  right: 0;
  bottom: 100px;
  width: 133px;
}
.about_main .stem_section .stem_info .describe .swiper-scrollbar {
  opacity: 1 !important;
}
.about_main .stem_section .stem_info .describe .swiper-scrollbar .swiper-scrollbar-drag {
  height: 2px;
  background-color: #3d3d3d;
}
.about_main .stem_swiper_section {
  position: relative;
  padding-top: 31.25%;
  width: 100%;
  background-color: #f8f9fb;
}
.about_main .stem_swiper_section .swiper_main {
  position: absolute;
  top: 21.8%;
  width: 100%;
  height: 129.5%;
}
.about_main .stem_swiper_section .swiper_main .swiper-slide {
  margin-right: 90px;
  width: 62.1%;
  -webkit-filter: grayscale(1);
  -moz-filter: grayscale(1);
  -ms-filter: grayscale(1);
  -o-filter: grayscale(1);
  filter: grayscale(1);
  filter: gray;
}
.about_main .stem_swiper_section .swiper_main .swiper-slide-active {
  -webkit-filter: grayscale(0);
  -moz-filter: grayscale(0);
  -ms-filter: grayscale(0);
  -o-filter: grayscale(0);
  filter: grayscale(0);
  filter: gray;
}
.about_main .stem_swiper_section .swiper_main .swiper-scrollbar {
  position: absolute;
  left: 50%;
  bottom: 28px;
  margin-left: -100px;
  width: 180px;
  height: 2px;
  background-color: #eee;
}
.about_main .stem_swiper_section .swiper_main .swiper-scrollbar-drag {
  margin-top: -1px;
  height: 4px;
  width: 60px;
  background-color: #3d3d3d;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  -webkit-transition: all 1s;
  transition: all 1s;
}
.about_main .advantage_section {
  margin-top: 310px;
  padding-top: 85px;
}
.about_main .advantage_section .experience {
  padding-bottom: 110px;
  padding-top: 140px;
  margin: 0 auto;
  max-width: 1400px;
}
.about_main .advantage_section .experience .img {
  width: 56.86%;
}
.about_main .advantage_section .experience1 {
  -moz-flex-direction: row-reverse;
  -ms-flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
  flex-direction: row-reverse;
}
.about_main .advantage_section .experience2 {
  margin-top: 50px;
}
.about_main .advantage_section .experience3 {
  margin-top: 60px;
  -moz-flex-direction: row-reverse;
  -ms-flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
  flex-direction: row-reverse;
}
.about_main .advantage_section .text {
  margin-left: 25px;
  width: 375px;
  letter-spacing: 1px;
}
.about_main .advantage_section .order {
  line-height: 1;
  font-size: 30px;
  font-family: AbrilFatface-Regular;
}
.about_main .advantage_section .title {
  margin-top: 35px;
  font-size: 30px;
  letter-spacing: 2px;
}
.about_main .advantage_section .sub_title {
  margin-top: 10px;
  font-size: 14px;
  color: #bbbbbb;
  font-weight: lighter;
}
.about_main .advantage_section .des {
  margin-top: 90px;
  line-height: 34px;
  font-weight: lighter;
  color: #bbbbbb;
}
.about_main .advantage_section .txt {
  margin-top: 25px;
  font-size: 20px;
  font-weight: bold;
}
@media screen and (max-width: 1400px) {
     .about_main .story_section .experience {
         right:20px;
    }

}
@media screen and (min-width: 750px) and (max-width: 1400px) {
  .about_main .my_section,
  .about_main .story_section,
  .about_main .stem_section,
  .about_main .advantage_section {
    padding-left: 20px;
    padding-right: 20px;
  }
  .about_main .my_section .text_img_left {
    padding-right: 0;
  }
}
@media screen and (max-width: 1300px) {
  .my_section {
    -webkit-box-lines: multiple;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
    -moz-flex-direction: column-reverse;
    -ms-flex-direction: column-reverse;
    -webkit-flex-direction: column-reverse;
    flex-direction: column-reverse;
  }
  .about_main .my_section .text_img_left {
    width: 100%;
  }
  .about_main .my_section .text_img_left .content {
    width: 100%;
  }
  .about_main .my_section .text_img_left .content img {
    width: 100%;
  }
  .text_img_right img {
    display: none;
  }
}
@media screen and (max-width: 1200px) {
  .about_main .stem_section {
    padding-bottom: 60px;
  }
  .about_main .stem_section .stem_info .describe .bg_text {
    display: none;
  }
  .about_main .my_section {
    padding-bottom: 0;
  }
  .about_main .my_section .text_img_right .content_right .sub_title {
    margin-top: 10px;
    margin-bottom: 20px;
  }
  .about_main .my_section .text_img_left p {
    margin-top: 30px;
  }
  .about_main .my_section .text_img_left .content .img_wrap {
    margin-top: 20px;
  }
  .about_main .my_section,
  .about_main .story_section,
  .about_main .stem_section,
  .about_main .advantage_section {
    padding-top: 60px;
  }
  .about_main .story_section {
    padding-bottom: 30px;
  }
  .about_main .story_section .experience {
    position: relative;
    bottom: auto;
    right: auto;
    margin: 50px auto 0;
    width: 80%;
    padding: 40px;
    display: block;
  }
  .about_main .story_section .experience li {
    display: block;
    width: 100%;
    border: none;
  }
  .about_main .story_section .experience li .title {
    display: none;
  }
  .about_main .story_section .experience li .screen_title {
    display: block;
    font-size: 20px;
    font-weight: bold;
  }
  .about_main .story_section .experience li .screen_title i {
    margin-right: 10px;
    display: inline-block;
    width: 60px;
    border-bottom: 1px solid #333;
  }
  .about_main .story_section .experience p {
    width: 100%;
    writing-mode: horizontal-tb;
  }
  .about_main .story_section {
    background: none;
    background-color: #fefeff;
  }
  .about_main .stem_section {
    margin-top: 20px;
    padding-top: 20px;
  }
  .about_main .advantage_section {
    margin-top: 100px;
  }
  .about_main .xg_about_title .img {
    width: 25%;
  }
  .about_main .advantage_section .experience {
    padding-bottom: 50px;
    padding-top: 50px;
  }
}
@media screen and (max-width: 1002px) {
  .swiper_tool {
    display: box;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-justify-content: space-between;
    -ms-justify-content: space-between;
    -o-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
  }
  .about_main .stem_swiper_section .swiper_main {
    height: auto;
    padding-bottom: 50px;
  }
  .title_img {
    display: none;
  }
  .about_main .title_text {
    display: block;
  }
  .about_main .stem_section .stem_info .describe .swiper_page a {
    width: 40px;
    height: 40px;
    line-height: 40px;
  }
  .about_main .stem_section .stem_info .describe .scrollbar {
    right: auto;
    bottom: auto;
    position: relative;
  }
  .about_main .stem_section .stem_info .describe .swiper_page {
    position: relative;
    bottom: auto;
  }
  .about_main .advantage_section .des {
    margin-top: 20px;
  }
  .about_main .advantage_section .experience {
    display: block;
  }
  .about_main .advantage_section .experience .text,
  .about_main .advantage_section .experience .img {
    margin-left: auto;
    margin-right: auto;
    width: 90%;
  }
  .about_main .advantage_section .experience .img {
    margin-top: 0.3rem;
  }
}
@media screen and (max-width: 768px) {
  .swiper_tool {
    display: none;
  }
  .about_main .story_section .experience {
    margin-top: 10px;
  }
  .about_main .advantage_section .experience {
    padding-top: 20px;
  }
}
@media screen and (max-width: 750px) {
  .about_main .stem_swiper_section .swiper_main .swiper-scrollbar {
    width: 1.8rem;
    margin-left: -0.9rem;
  }
  .about_main .stem_section .stem_info .swiper .swiper-slide {
    padding-right: 0;
    padding-bottom: 0.4rem;
  }
  .about_main .stem_section .stem_info .swiper::after {
    display: none;
  }
  .about_main .stem_swiper_section .swiper_main .swiper-scrollbar-drag {
    height: 0.04rem;
    width: 0.6rem;
  }
  .about_main .advantage_section .order {
    font-size: 0.42rem;
  }
  .about_main .xg_about_title .iconfonts {
    margin-bottom: -0.03rem;
  }
  .about_main .xg_about_title span {
    padding-bottom: 0.05rem;
  }
  .about_main .story_section {
    padding-bottom: 0.3rem;
  }
  .about_main .my_section,
  .about_main .story_section,
  .about_main .stem_section,
  .about_main .advantage_section {
    padding-top: 0.5rem;
  }
  .about_main .stem_section {
    margin-top: 0.2rem;
  }
  .about_main .advantage_section .experience {
    margin-top: 0.2rem;
    padding-top: 0.2rem;
  }
  .about_main .stem_section .stem_info {
    margin-top: 0.8rem;
  }
  .about_main .stem_section {
    padding-bottom: 0.3rem;
  }
  .about_main .my_section .text_img_right .content_right .sub_title {
    font-size: 0.24rem;
    margin-top: 0.1rem;
    margin-bottom: 0.2rem;
  }
  .about_main .my_section .text_img_right .content_right .sub_title span {
    width: 0.28rem;
    margin-right: 0.3rem;
  }
  .about_main .my_section .text_img_right .content_right .sub_title span::before {
    margin-top: -0.07rem;
  }
  .about_main .title_text i {
    width: 0.64rem;
    height: 0.64rem;
    font-size: 0.4rem;
    line-height: 0.62rem;
  }
  .about_main .xg_about_title .iconfonts {
    font-size: 0.5rem;
  }
  .about_main .xg_about_title span {
    font-size: 0.3rem;
  }
  body {
    font-size: 0.24rem !important;
  }
  .about_main .my_section .text_img_right {
    width: 100%;
  }
  .about_main .my_section .text_img_right h3 {
    font-size: 0.6rem;
  }
  .about_main .my_section .text_img_right .sub_title {
    font-size: 0.3rem;
  }
  .about_main .my_section {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .about_main .my_section .text_img_left .content .img_wrap {
    margin-top: 0;
  }
  .about_main .my_section .text_img_left h3 {
    margin-top: 0.4rem;
    font-size: 0.4rem;
  }
  .about_main .my_section .text_img_left p {
    margin-top: 0.2rem;
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .about_main .my_section,
  .about_main .story_section,
  .about_main .stem_section,
  .about_main .advantage_section {
    padding-left: 0.2rem;
    padding-right: 0.2rem;
  }
  .about_main .my_section .text_img_left {
    padding-right: 0;
  }
  .about_main .story_section .experience {
    width: 100%;
  }
  .about_main .story_section .experience p {
    font-size: 0.2rem;
    line-height: 0.45rem;
  }
  .about_main .advantage_section .title {
    font-size: 0.4rem;
  }
  .about_main .advantage_section .des {
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .about_main .advantage_section .txt {
    font-size: 0.28rem;
  }
  .about_main .stem_section .stem_info .describe p {
    font-size: 12px;
    line-height: 24px;
  }
  .about_main .story_section .experience {
    padding: 0.4rem;
  }
  .about_main .advantage_section .experience {
    padding-bottom: 0.5rem;
    padding-top:  0.5rem;
  }
}
@media screen and (max-width: 480px) {
  .about_main .stem_section .stem_info {
    display: block;
  }
  .about_main .stem_section .stem_info .swiper,
  .about_main .stem_section .stem_info .describe {
    margin: 0 auto;
    width: 80%;
  }
  .about_main .stem_section .stem_info .swiper p,
  .about_main .stem_section .stem_info .describe p {
    font-size: 0.24rem;
  }
}
.draw {
  -webkit-animation-name: draw;
  animation-name: draw;
}
@-webkit-keyframes draw {
  from {
    opacity: 0;
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes draw {
  from {
    opacity: 0;
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}