.page_head.technology {
  background-image: url("../../img/head/bg_head_technology.jpg");
}
.section_label {
  color: #000;
  font-family: Noto Sans CJK KR;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}
.section_label + .section_title {
  margin-top: 10px;
}
.section_title {
  font-size: 48px;
  color: #000;
  font-family: Roboto;
  font-style: normal;
  font-weight: 700;
}
.section_desc {
  margin-top: 24px;
  color: #000;
  font-family: Noto Sans CJK KR;
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}

#main_section_1 {
  position: relative;
  width: 100%;
  height: 1024px;
  background: #000;
  overflow: hidden;
}
#main_section_1 .bg_video {
  width: 100%;
  height: 100vh;
  min-height: 64rem;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
}
#main_section_1 .bg_video_content {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1024px;
  height: 1024px;
  padding-bottom: 5rem;
  z-index: 1;
  transform: translate3d(-50%, -50%, 0);
  overflow: hidden;
}
#main_section_1 .main_text {
  position: absolute;
  left: 50%;
  top: 37%;
  width: 100%;
  z-index: 2;
  text-align: center;
  color: #fff;
  font-family: NotoSansKR, sans-serif;
  font-style: normal;
  font-weight: 700;
  transform: translate3d(-50%, 0, 0);
}
#main_section_1 .main_text .title {
  text-align: center;
  font-size: 2.4rem;
  font-style: normal;
  font-weight: 600;
  line-height: 140%;
  text-shadow: 0 0 1em #000;
}
#main_section_1 .main_text .desc {
  margin-top: 10px;
  color: hsla(0, 0%, 100%, 0.7);
  font-size: 1.4rem;
  font-style: normal;
  font-weight: 400;
  line-height: 160%;
}

#main_section_shortcut {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: #000;
}
#main_section_shortcut .link_half_wrap {
  flex: 0 0 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 0;
  background: #171719;
  box-sizing: border-box;
}
#main_section_shortcut .link_half_wrap + .link_half_wrap {
  background: #212124;
}
#main_section_shortcut .link_half_wrap .title {
  font-size: 20px;
  color: #fff;
}
#main_section_shortcut .btn_shortcut {
  display: inline-flex;
  font-style: normal;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  margin-top: 1.28em;
  padding: 10px 20px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 32px;
  justify-content: center;
  align-items: center;
  gap: 4px;
  overflow: hidden;
  box-sizing: border-box;
  transition: background 0.17s;
}
#main_section_shortcut .btn_shortcut .icn_arrow {
  display: block;
  width: 24px;
  height: 24px;
}
#main_section_shortcut .btn_shortcut.green .btn_text {
  color: #9eff00;
}
#main_section_shortcut .btn_shortcut.green .icn_arrow {
  background-image: url("../img/main/icn_arrow_shortcut_green.svg");
}
#main_section_shortcut .btn_shortcut.blue .btn_text {
  color: #00e0ff;
}
#main_section_shortcut .btn_shortcut.blue .icn_arrow {
  background-image: url("../img/main/icn_arrow_shortcut_blue.svg");
}
#main_section_shortcut .btn_shortcut.green:hover,
#main_section_shortcut .btn_shortcut.blue:hover {
  background-color: #000;
}

#main_section_trust {
  padding: 80px 0;
}
#main_section_trust .link_list {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-top: 30px;
  gap: 4%;
  row-gap: 20px;
}
#main_section_trust .trust_title {
  text-align: center;
  font-size: 18px;
  color: #d0d0d0;
}
#main_section_trust ul > li img {
  width: 109px;
}

#main_platform_desc {
  position: relative;
  padding: 100px 0;
  background-image: url("../img/main/bg_platform_desc.jpg");
  background-size: cover;
  background-position: top center;
  background-attachment: fixed;
}
#main_platform_desc:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.15);
}
#main_platform_desc .section_title {
  position: relative;
  color: #fff;
  text-align: center;
}
#main_platform_desc .link_list {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2em;
}
#main_platform_desc .link_list .item {
  position: relative;
}
#main_platform_desc .link_list .item + .item {
  margin-left: 1em;
  padding-left: 1em;
}
#main_platform_desc .link_list .item + .item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  display: block;
  width: 0;
  height: 0.7em;
  border-right: 1px solid rgba(255, 255, 255, 0.7);
  transform: translate3d(0, -50%, 0);
}
#main_platform_desc .link_list .link {
  padding: 0 10px;
  font-size: 15px;
  color: #fff;
  transition: opacity 0.17s ease;
  opacity: 0.7;
  text-shadow: 0 0 0.5em rgba(0, 0, 0, 0.7);
}
#main_platform_desc .link_list .link:hover {
  opacity: 1;
}

#main_effort_section {
  padding: 100px 0;
}
#main_effort_section .section_title {
  text-align: center;
}
#main_effort_section .effort_box {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
}
#main_effort_section .effort_nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 80%;
  max-width: 800px;
  margin: 30px auto 0 auto;
}
#main_effort_section .effort_nav::before,
#main_effort_section .effort_nav::after {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  display: block;
  width: 100%;
  height: 0;
  border-top: 2px solid #dcdcdc;
}

#main_effort_section .effort_nav::after {
  transition: transform 0.3s ease;
  border-top-color: #000;
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 3;
}
#main_effort_section .effort_nav[data-selected="1"]::after {
  transform: scaleX(50%);
}
#main_effort_section .effort_nav[data-selected="2"]::after {
  transform: scaleX(100%);
}
#main_effort_section .effort_nav .round_box {
  position: absolute;
  left: 50%;
  top: 8px;
  display: block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #dcdcdc;
  background: #fff;
  transform: translate3d(-50%, 0, 0);
  box-sizing: border-box;
  z-index: 4;
}
#main_effort_section .effort_nav .item .round_box::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: 12px;
  height: 12px;
  background: #dcdcdc;
  border-radius: 50%;
  transform: translate3d(-6px, -6px, 0);
  transition:
    border 0.17s ease,
    background 0.17s ease;
  box-sizing: border-box;
}
#main_effort_section
  .effort_nav[data-selected="0"]
  .item:nth-child(1)
  .round_box,
#main_effort_section
  .effort_nav[data-selected="1"]
  .item:nth-child(1)
  .round_box,
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(1)
  .round_box,
#main_effort_section
  .effort_nav[data-selected="1"]
  .item:nth-child(2)
  .round_box,
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(2)
  .round_box,
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(3)
  .round_box {
  border-color: #000;
}
#main_effort_section
  .effort_nav[data-selected="0"]
  .item:nth-child(1)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="0"]
  .item:nth-child(1)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="1"]
  .item:nth-child(1)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(1)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="1"]
  .item:nth-child(2)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(2)
  .round_box::after {
  background: #000;
}
#main_effort_section
  .effort_nav[data-selected="2"]
  .item:nth-child(3)
  .round_box::after {
  background: #000;
}
#main_effort_section .effort_nav .item {
  position: relative;
  width: 30%;
  padding-top: 45px;
  text-align: center;
  box-sizing: border-box;
  cursor: pointer;
  z-index: 4;
}
#main_effort_section .effort_nav .item .title {
  font-size: 20px;
}
#main_effort_section .effort_nav .item:nth-child(1) {
  transform: translate3d(-50%, 0, 0);
}
#main_effort_section .effort_nav .item:nth-child(3) {
  transform: translate3d(50%, 0, 0);
}
#main_effort_section .effort_list {
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: 30px;
  column-gap: 30px;
}
#main_effort_section .effort_list .item {
  position: relative;
  flex: 0 0 30%;
  margin-bottom: 70px;
  opacity: 0.3;
  transition: opacity 0.17s ease;
  cursor: pointer;
}
#main_effort_section .effort_list .item:hover {
  opacity: 0.7;
}
#main_effort_section .effort_list[data-selected="0"] .item:nth-child(1),
#main_effort_section .effort_list[data-selected="1"] .item:nth-child(2),
#main_effort_section .effort_list[data-selected="2"] .item:nth-child(3) {
  opacity: 1;
}
#main_effort_section .effort_list .thumb {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 56.25%;
}
#main_effort_section .effort_list .content_box {
  position: absolute;
  right: 0;
  top: calc(100% - 70px);
  width: 90%;
  padding: 5%;
  background: #fff;
  box-sizing: border-box;
}
#main_effort_section .effort_list .img_box {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
#main_effort_section .effort_list .title {
  color: #343434;
  font-size: 20px;
  font-weight: 700;
}
#main_effort_section .effort_list .content {
  color: #999;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.42;
  padding-top: 10px;
}

#main_effort_list_section {
  padding: 100px 0;
  background: #222;
}
#main_effort_list_section .section_title {
  text-align: center;
  color: #fff;
}
#main_effort_list_section .desc_list_wrap {
  background-color: #222;
  flex: 0 0 880px;
  width: 880px;
}
#main_effort_list_section .common_history_wrap {
  justify-content: space-between;
  column-gap: 0;
}
#main_effort_list_section .time_list {
  flex: 0 0 300px;
  width: 300px;
}
#main_effort_list_section .js-initSliderMainEffort,
#main_effort_list_section .js-initSliderMainEffort .owl-stage-outer,
#main_effort_list_section .js-initSliderMainEffort .owl-stage,
#main_effort_list_section .js-initSliderMainEffort .owl-item,
#main_effort_list_section .js-initSliderMainEffort .slide_item {
  background-color: #222;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}
#main_effort_list_section .js-initSliderMainEffort {
  overflow: hidden;
}
#main_effort_list_section .desc_list_wrap .img_box {
  width: 100%;
  height: 0;
  padding-top: 46%;
  background-size: cover;
  background-position: center center;
  outline: 1px solid transparent;
  overflow: hidden;
}
#main_effort_list_section .desc_list_wrap .title {
  margin-top: 15px;
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  line-height: 1.48;
}
#main_effort_list_section .desc_list_wrap .desc {
  margin-top: 15px;
  font-size: 16px;
  color: #fff;
  text-align: left;
  line-height: 1.48;
}

#main_platform_list {
  padding: 100px 0;
}
#main_platform_list .section_title {
  text-align: center;
}
#main_platform_list .section_desc {
  text-align: center;
}

#main_partner {
  padding: 100px 0;
  background: #efefef;
  overflow: hidden;
}
#main_partner .section_title {
  text-align: center;
}
#main_partner .partner_over_list {
  display: flex;
  margin-top: 50px;
  text-align: center;
}
#main_partner .partner_over_list > .item {
  flex: 1 1 180px;
  position: relative;
  display: flex;
  margin-left: 10px;
  padding-left: 10px;
  box-sizing: border-box;
}
#main_partner .partner_over_list > .item + .item:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  border-left: 1px solid #ddd;
  box-sizing: border-box;
}
#main_partner .partner_over_list .item_wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 30px 10px;
  color: #3074ff;
  box-sizing: border-box;
}
#main_partner .partner_over_list .item_wrap:hover {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120%;
  padding: 30px 20px;
  color: #fff;
  background: #3074ff;
  transform: translate3d(-50%, -50%, 0);
  z-index: 3;
}
#main_partner .partner_over_list .item_wrap:hover .desc {
  display: block;
}
#main_partner .partner_over_list .item_wrap:hover .img_normal {
  display: none;
}
#main_partner .partner_over_list .item_wrap:hover .img_over {
  display: block;
}
#main_partner .partner_over_list .title {
  margin-top: 0.4em;
  font-size: 16px;
  font-weight: bold;
}
#main_partner .partner_over_list .desc {
  display: none;
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.42;
}
#main_partner .partner_over_list .logo_wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 40px;
}
#main_partner .partner_over_list .img_logo {
  width: 120px;
}
#main_partner .partner_over_list .img_logo.vertical {
  width: auto;
  height: 40px;
}
#main_partner .partner_over_list .img_over {
  display: none;
}

#main_percent {
  padding: 100px 0;
}
#main_news {
  padding: 100px 0;
  background: url("../img/main/bg_main_news.jpg") no-repeat top center;
  background-size: cover;
}
#main_news .section_title {
  text-align: center;
  color: #fff;
}
#main_news .common_board_list {
  margin-top: 50px;
}
#main_news .common_board_list .list_item .contents {
  padding: 0 20px 20px;
}
#main_news .common_board_list .list_item .title_text {
  transition: none;
}
#main_news .common_board_list .list_item {
  background: #fff;
}
#main_news .common_board_list .list_item:hover {
  background: #008fff;
}
#main_news .common_board_list .list_item:hover .img_box {
  transform: scale(1.1);
}
#main_news .common_board_list .list_item:hover .title_text,
#main_news .common_board_list .list_item:hover .link {
  color: #fff;
}
#main_news .common_board_list .link {
  display: block;
  margin-top: 1em;
  color: #777;
}

#main_platform_list .platform_nav_wrap {
  position: relative;
  margin: 30px auto;
}
#main_platform_list .platform_nav_wrap .line {
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  width: 0;
  height: 3px;
  background: #000;
  transition:
    width 0.2s ease,
    transform 0.2s ease;
}
#main_platform_list .platform_list {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#main_platform_list .platform_nav {
  position: relative;
  display: inline-flex;
  justify-content: center;
  flex-wrap: wrap;
}
#main_platform_list .platform_nav .nav_item {
  position: relative;
  display: inline-block;
  width: 80px;
  padding: 10px 10px 20px 10px;
  font-size: 20px;
  text-align: center;
  box-sizing: border-box;
  cursor: pointer;
}
#main_platform_list .platform_nav .nav_item.active {
  font-weight: bold;
}
/* #main_platform_list .platform_nav .nav_item:hover::after,
#main_platform_list .platform_nav .nav_item.active::after { content: ''; position: absolute; left: 0; bottom: 0; display: block; width: 100%; height: 4px; background: #000; } */
#main_platform_list .desc_list_wrap {
  position: relative;
  width: 100%;
  margin-top: 30px;
  padding: 50px 0 0 0;
}
#main_platform_list .desc_list_wrap::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 100%;
  height: 90%;
  background: #008fff;
}
#main_platform_list .desc_list_wrap .item {
  display: none;
  column-gap: 5%;
}
#main_platform_list .desc_list_wrap .item.active {
  display: flex;
}
#main_platform_list .desc_list_wrap .item + .item {
  margin-top: 30px;
}
#main_platform_list .desc_list_wrap .thumb {
  flex: 0 0 55%;
}
#main_platform_list .desc_list_wrap .img_box {
  width: 100%;
  padding-top: 56.25%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
#main_platform_list .desc_list_wrap .content_box {
  flex: 1 1;
}
#main_platform_list .desc_list_wrap .percent_title {
  font-size: 60px;
  font-weight: 700;
  color: #fff;
  text-align: left;
  font-family: NotoSansKR, sans-serif;
  line-height: 100%;
}
#main_platform_list .desc_list_wrap .percent_label {
  font-size: 20px;
  font-weight: 400;
  color: #dcdcdc;
  text-align: left;
  margin: 0.5em 0 0 0;
}
#main_platform_list .desc_list_wrap .percent_desc {
  margin-top: 1em;
  font-size: 16px;
  color: #fff;
  line-height: 1.6;
}

@media screen and (max-width: 1440px) {
  #main_effort_list_section .common_history_wrap {
    justify-content: center;
    gap: 4%;
  }
  #main_effort_list_section .desc_list_wrap {
    flex: 0 1 840px;
    width: auto;
  }
}

@media screen and (max-width: 1280px) {
  #main_effort_list_section .desc_list_wrap {
    flex: 0 1 600px;
    width: auto;
  }
}

@media screen and (max-width: 1024px) {
  .section_label {
    font-size: 12px;
  }
  .section_label + .section_title {
    margin-top: 7px;
  }
  .section_title {
    font-size: 34px;
  }
  .section_desc {
    margin-top: 17px;
    font-size: 13px;
  }
  .effort_box > img {
    width: 80%;
    min-width: 280px;
  }

  #main_section_1 {
    height: auto;
    min-height: 560px;
  }
  #main_section_1 .bg_video {
    height: 720px;
    min-height: auto;
  }
  #main_section_1 .bg_video_content {
    width: 39rem;
    height: 39rem;
  }
  #main_section_1 .main_text {
    font-size: 42px;
  }
  #main_section_1 .main_text .title {
    font-size: 24px;
  }
  #main_section_1 .main_text .desc {
    font-size: 16px;
  }

  #main_section_shortcut .link_half_wrap {
    padding: 35px 0;
  }
  #main_section_shortcut .link_half_wrap .title {
    font-size: 14px;
  }
  #main_section_shortcut .btn_shortcut {
    font-size: 13px;
    margin-top: 1em;
    padding: 7px 14px;
    border-radius: 22px;
  }
  #main_section_shortcut .btn_shortcut .icn_arrow {
    width: 17px;
    height: 17px;
  }

  #main_effort_section {
    padding: 70px 0;
  }
  #main_effort_section .effort_nav {
    width: 56%;
    max-width: 560px;
    margin: 21px auto 0 auto;
  }
  #main_effort_section .effort_nav::before,
  #main_effort_section .effort_nav::after {
    top: 13px;
    border-top: 1px solid #dcdcdc;
  }
  #main_effort_section .effort_nav .round_box {
    top: 6px;
    width: 18px;
    height: 18px;
  }
  #main_effort_section .effort_nav .item {
    padding-top: 32px;
  }
  #main_effort_section .effort_nav .item .title {
    font-size: 14px;
  }
  #main_effort_section .effort_list {
    margin-top: 21px;
    column-gap: 21px;
  }
  #main_effort_section .effort_list .item {
    margin-bottom: 49px;
  }
  #main_effort_section .effort_list .content_box {
    top: calc(100% - 49px);
    padding: 4%;
  }
  #main_effort_section .effort_list .title {
    font-size: 15px;
  }
  #main_effort_section .effort_list .content {
    font-size: 12px;
    padding-top: 7px;
  }
  #main_effort_section .effort_list .title {
    font-size: 15px;
  }
  #main_effort_section .effort_list .content {
    font-size: 12px;
    padding-top: 7px;
  }

  #main_effort_list_section {
    padding: 70px 0;
  }
  #main_effort_list_section .common_history_wrap {
    column-gap: 5%;
    justify-content: flex-start;
  }
  #main_effort_list_section .time_list {
    flex: 0 0 150px;
    width: auto;
  }
  #main_effort_list_section .desc_list_wrap {
    flex: 0 0 500px;
    width: auto;
  }
  #main_effort_list_section .desc_list_wrap .title {
    margin-top: 10px;
    font-size: 18px;
  }
  #main_effort_list_section .desc_list_wrap .desc {
    margin-top: 10px;
    font-size: 13px;
  }

  #main_platform_list {
    padding: 70px 0 0 0;
  }
  #main_platform_list .platform_nav_wrap {
    margin: 21px auto 0 auto;
  }
  #main_platform_list .platform_nav .nav_item {
    width: 50px;
    padding: 7px 7px 14px 7px;
    font-size: 14px;
  }
  #main_platform_list .desc_list_wrap {
    margin-top: 21px;
    padding: 35px 0;
  }
  #main_platform_list .desc_list_wrap::before {
    height: 100%;
  }
  #main_platform_list .desc_list_wrap .item {
    flex-direction: column;
    column-gap: 4%;
    max-width: 400px;
    margin: 0 auto;
  }
  #main_platform_list .desc_list_wrap .item + .item {
    margin-top: 0;
  }
  #main_platform_list .desc_list_wrap .content_box {
    margin-top: 1em;
  }
  #main_platform_list .desc_list_wrap .thumb {
    flex: 0 0 50%;
  }
  #main_platform_list .desc_list_wrap .percent_title {
    font-size: 42px;
  }
  #main_platform_list .desc_list_wrap .percent_label {
    font-size: 15px;
  }
  #main_platform_list .desc_list_wrap .percent_desc {
    margin-top: 0.7em;
    font-size: 13px;
  }

  #main_percent {
    padding: 70px 0;
  }

  #main_partner {
    padding: 70px 0;
  }
  #main_partner .partner_over_list {
    flex-wrap: wrap;
    margin-top: 35px;
    row-gap: 30px;
  }
  #main_partner .partner_over_list > .item {
    flex: 1 1 30%;
    margin-left: 0;
    padding-left: 0;
  }
  #main_partner .partner_over_list > .item + .item {
    margin-left: 0;
    padding-left: 0;
  }
  #main_partner .partner_over_list > .item + .item:before {
    display: none;
  }
  #main_partner .partner_over_list .item_wrap {
    padding: 21px 7px;
  }
  #main_partner .partner_over_list .item_wrap:hover {
    padding: 21px 14px;
  }
  #main_partner .partner_over_list .title {
    margin-top: 0.4em;
    font-size: 14px;
  }
  #main_partner .partner_over_list .desc {
    margin-top: 1.2em;
    font-size: 12px;
  }
  #main_partner .partner_over_list .img_logo {
    width: 100px;
  }
  #main_partner .partner_over_list .img_logo.vertical {
    width: auto;
    height: 40px;
  }

  #main_news {
    padding: 70px 0;
  }
  #main_news .common_board_list {
    margin-top: 30px;
  }
  #main_news .common_board_list .link {
    font-size: 13px;
  }
  #main_news .common_board_list .list_item .contents {
    padding: 5px 15px 15px;
  }
}

@media screen and (max-width: 768px) {
  .section_title {
    font-size: 28px;
  }
  .section_desc {
    margin-top: 10px;
    font-size: 14px;
  }
  #main_section_shortcut {
    flex-direction: column;
  }
  #main_section_shortcut .link_half_wrap {
    width: 100%;
    padding: 30px 20px;
  }

  #main_section_trust {
    padding: 50px 0;
  }
  #main_section_trust .link_list {
    flex-wrap: wrap;
  }
  #main_section_trust .link_list .item {
    flex: 0 0 15%;
    text-align: center;
  }
  #main_section_trust ul > li img {
    width: 80px;
  }
  #main_platform_desc {
    padding: 70px 20px;
  }
  #main_effort_list_section {
    padding: 50px 0;
  }
  #main_effort_section .effort_list .item {
    display: none;
    flex: 0 0 100%;
  }
  #main_effort_list_section .common_history_wrap {
    gap: 5%;
  }
  #main_effort_list_section .desc_list_wrap {
    flex: 0 0 400px;
    width: auto;
  }
  #main_effort_section .effort_list[data-selected="0"] .item:nth-child(1),
  #main_effort_section .effort_list[data-selected="1"] .item:nth-child(2),
  #main_effort_section .effort_list[data-selected="2"] .item:nth-child(3) {
    display: block;
  }

  #main_partner .partner_over_list {
    width: 80%;
    margin: 30px auto 0 auto;
  }
  #main_partner .partner_over_list > .item {
    flex: 1 1 50%;
  }
}
@media screen and (max-width: 640px) {
  .section_title {
    font-size: 18px;
  }
  #main_section_1 .main_text .title {
    font-size: 22px;
  }
  #main_section_1 .main_text .desc {
    font-size: 14px;
  }
  #main_effort_list_section .common_history_wrap {
    gap: 5%;
  }
  #main_effort_list_section .desc_list_wrap {
    flex: 0 1 100%;
  }
}