.main_slider {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 460px;
  padding: 80px 0;
  overflow: hidden;
  background: #1a1a1a;
  box-sizing: content-box;
}
.main_slider .slider .slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main_slider .btn_move {
  display: block;
  position: absolute;
  top: 50%;
  width: 48px;
  height: 48px;
  z-index: 10;
  overflow: hidden;
  transition: all 0.2s;
  opacity: 0.5;
}
.main_slider .btn_move:hover {
  opacity: 1;
}
.main_slider .btn_move.btn_prev {
  left: 50%;
  transform: translate(-508px, -50%);
}
.main_slider .btn_move.btn_next {
  right: 50%;
  transform: translate(508px, -50%);
}
.main_slider .slider .slide {
  position: absolute;
  left: 50%;
  width: 920px;
  aspect-ratio: 2/1;
  z-index: 1;
  transition: all 0.5s;
  filter: brightness(0);
  border-radius: 10px;
  overflow: hidden;
}
.main_slider .slider .slide.active {
  transform: translateX(-50%) scale(1);
  z-index: 3;
  box-shadow: 0 0 20px 0 #40BE00;
  filter: brightness(1);
}
.main_slider .slider .slide.prev1 {
  transform: translateX(-148%) scale(0.86);
  z-index: 2;
  filter: brightness(0.5);
}
.main_slider .slider .slide.next1 {
  transform: translateX(48%) scale(0.86);
  z-index: 2;
  filter: brightness(0.5);
}
.main_slider .slider .slide.prev2 {
  transform: translateX(-230%) scale(0.86);
  filter: brightness(0);
}
.main_slider .slider .slide.next2 {
  transform: translateX(135%) scale(0.8);
  filter: brightness(0);
}

.breadcrump {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.breadcrump a {
  color: #252525;
  font-size: 14px;
}
.breadcrump a:hover {
  color: #40BE00;
}
.breadcrump a:last-child {
  color: #40BE00;
  font-weight: 700;
}
.breadcrump .separator {
  width: 20px;
  opacity: 0.2;
}

.main_page {
  padding: 80px 40px 120px !important;
}

.list_topper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
  overflow: hidden;
}
.list_topper .tab_container {
  display: flex;
  flex-wrap: nowrap;
  gap: 40px;
  border-bottom: 1px #E0E0E0 solid;
  flex-shrink: 1;
  min-width: 0;
}
.list_topper .inputbox.search {
  flex-shrink: 0;
  max-width: 280px;
}
.list_topper .tab_container button {
  font-size: 18px;
  font-weight: 700;
  padding: 12px 0;
  color: #C5C5C5;
  border-bottom: 4px #fff solid;
}
.list_topper .tab_container button.checked {
  border-color: #40BE00;
  color: #40BE00;
}
.list_topper .tab_container button:hover {
  color: #000;
}
.list_topper h3 {
  font-size: 32px;
  font-weight: 700;
  color: #40BE00;
}

.board h5 {
  font-size: 24px;
  margin-bottom: 20px;
}
.board .list li {
  display: flex;
  gap: 24px;
  padding: 20px;
  border-bottom: 1px #E0E0E0 solid;
  text-align: center;
  transition: all 0.2s;
}
.board .list li .num {
  width: 80px;
}
.board .list li .category {
  width: 160px;
  font-weight: 700;
}
.board .list li .title {
  font-weight: 700;
  text-align: left;
  width: calc(100% - 264px);
}
.board .list li .title a {
  display: block;
}
.board .list li .date {
  width: 160px;
  margin-left: auto;
}
.board .list li:hover {
  background: #F8FCF5;
}
.board .list li:hover .title a {
  color: #40BE00;
}
.board .list li.header {
  background: #F9F9F9;
  border-top: 2px #252525 solid;
  font-size: 14px;
  font-weight: 700;
  color: #C5C5C5;
  text-transform: uppercase;
}
.board .list li.empty {
  justify-content: center;
}
.board .list li.empty .subject {
  font-size: 18px;
  color: #C5C5C5;
  font-weight: 700;
}
.board .gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.board .gallery li {
  width: calc((100% - 80px) / 3);
}
.board .gallery li .pic {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 10px;
}
.board .gallery li .pic img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: all 0.2s;
}
.board .gallery li .title {
  margin: 10px 0 5px;
  font-weight: 700;
  transition: all 0.2s;
}
.board .gallery li .name {
  font-size: 14px;
}
.board .gallery li:hover .pic img {
  transform: scale(1.1);
}
.board .gallery li:hover .title {
  color: #40BE00;
}
.board .pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}
.board .pagination .icon {
  display: block;
  width: 24px;
  height: 24px;
}
.board .pagination a {
  display: block;
  padding: 8px;
  opacity: 0.25;
}
.board .pagination a:hover {
  opacity: 1;
}
.board .pagination .active a {
  color: #40BE00;
  opacity: 1;
  font-weight: 700;
}
.board .view .content_head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 40px;
  border-bottom: 1px #C5C5C5 solid;
}
.board .view .content_head h2 {
  font-size: 24px;
  padding-bottom: 10px;
  border-bottom: 4px #40BE00 solid;
  color: #40BE00;
}
.board .view .content_head h3 {
  font-size: 26px;
}
.board .view .content_head .info_view {
  font-size: 15px;
  display: flex;
  color: #C5C5C5;
  line-height: 1em;
  font-weight: 600;
}
.board .view .content_head .info_view .viewcount {
  border-left: 1px #E0E0E0 solid;
  padding-left: 10px;
  margin-left: 10px;
}
.board .view .content {
  margin: 40px 0;
}
.board .view .content img {
  display: block;
  border-radius: 10px;
  margin-bottom: 20px;
}
.board .view .content .files {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.board .view .content .files a {
  display: flex;
  align-items: center;
  background: #F9F9F9;
  border-radius: 10px;
  padding: 8px 16px;
  gap: 16px;
}
.board .view .content .files a .icon {
  width: 24px;
  margin-bottom: 0;
  transition: all 0.2s;
}
.board .view .content .files a:hover {
  background: #40BE00;
  color: #fff;
}
.board .view .content .files a:hover .icon {
  filter: invert(1);
}
.board .view .content .file_preview_box {
  position: relative;
  margin-bottom: 20px;
  border: 2px #40BE00 solid;
  border-radius: 10px;
  overflow: hidden;
}
.board .view .content .file_preview_box img {
  display: block;
  width: 100%;
  margin-bottom: 0;
  border-radius: 0;
}
.board .view .content .file_preview_box canvas {
  display: block;
  width: 100%;
  height: auto;
}
.board .view .content .file_preview_box .pdf_nav {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: #40BE00;
  border-radius: 20px;
  padding: 6px 14px;
  z-index: 5;
}
.board .view .content .file_preview_box .pdf_nav .pdf_nav_btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.board .view .content .file_preview_box .pdf_nav .pdf_nav_btn:hover {
  opacity: 1;
}
.board .view .content .file_preview_box .pdf_nav .pdf_nav_btn img {
  width: 18px;
  height: 18px;
  margin-bottom: 0;
  border-radius: 0;
  filter: invert(1);
}
.board .view .content .file_preview_box .pdf_nav .pdf_nav_indicator {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  min-width: 32px;
  text-align: center;
}
.board .view.vod_view .content_head {
  border: none;
  padding-bottom: 0;
}
.board .view.vod_view .content_bottom {
  padding-bottom: 20px;
  margin-bottom: 40px;
  border-bottom: 1px #C5C5C5 solid;
}
.board .view.vod_view .content_bottom h3 {
  font-size: 26px;
  margin-bottom: 10px;
}
.board .back_button {
  display: block;
  margin: 40px auto 0;
}

.player {
  border-radius: 10px;
  overflow: hidden;
}
.player .dummy {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.player img {
  display: block;
  margin-bottom: 0;
}
.player .playbtn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  filter: drop-shadow(0 0 5px #40BE00);
  opacity: 0.7;
  transition: all 0.2s;
}
.player .playbtn img {
  margin-bottom: 0 !important;
}
.player .playbtn:hover {
  opacity: 1;
  filter: drop-shadow(0 0 15px #40BE00);
  transform: translate(-50%, -50%) scale(1);
}

.list_control {
  margin-bottom: 80px;
}
.list_control .month_ui {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}
.list_control .month_ui .current {
  font-size: 2.5em;
  font-weight: 700;
  color: #40BE00;
}
.list_control .month_ui .btn_month {
  color: #C5C5C5;
  display: flex;
  align-items: center;
  font-size: 18px;
  opacity: 0.5;
}
.list_control .month_ui .btn_month img {
  width: 48px;
}
.list_control .month_ui .btn_month:hover {
  color: #000;
  opacity: 1;
}

.btn {
  width: 160px;
  margin-top: auto;
  font-size: 18px;
  padding: 8px;
  border: 2px #40BE00 solid;
  color: #40BE00;
  border-radius: 8px;
  font-weight: 700;
  opacity: 0.7;
  text-align: center;
  display: inline-block;
}
.btn.participate {
  color: #fff;
  background: #40BE00;
}
.btn.reply {
  color: #4DBD9F;
  border-color: #4DBD9F;
}
.btn.closed {
  border-color: #E0E0E0;
  background: #E0E0E0;
  color: #999;
  opacity: 1;
  cursor: not-allowed;
  pointer-events: none;
}
.btn.cancel {
  border-color: #E0E0E0;
  color: #252525;
}
.btn:hover {
  opacity: 1;
}
.btn.large {
  width: 240px;
  padding: 14px;
}

.webinar .webinar_list li {
  display: flex;
  gap: 40px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px #E0E0E0 solid;
}
.webinar .webinar_list .info_date {
  width: 176px;
  color: #252525;
}
.webinar .webinar_list .info_date .date {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.webinar .webinar_list .info_date .time {
  font-size: 16px;
  color: #C5C5C5;
}
.webinar .webinar_list .webinar_box {
  width: calc(100% - 216px);
  display: flex;
  gap: 20px;
}
.webinar .webinar_list .webinar_box .img img {
  display: block;
  width: 368px;
  height: 223px;
  border-radius: 10px;
}
.webinar .webinar_list .webinar_box .info {
  width: calc(100% - 388px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.webinar .webinar_list .webinar_box .info .product {
  color: #40BE00;
  font-weight: 700;
}
.webinar .webinar_list .webinar_box .info .subject {
  font-size: 20px;
  font-weight: 700;
}
.webinar .webinar_list .webinar_box .info .lecturer_list {
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  row-gap: 4px;
  color: #C5C5C5;
}
.webinar .webinar_list .webinar_box .info .lecturer_list .lecturer {
  color: #252525;
  font-weight: 700;
}
.webinar .banner img {
  display: block;
  width: 100%;
  border-radius: 10px;
}
.webinar .banner {
  margin-bottom: 80px;
}
.webinar .webinar_view .content_head {
  display: flex;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px #C5C5C5 solid;
}
.webinar .webinar_view .content_head .pic {
  width: calc(50% - 20px);
}
.webinar .webinar_view .content_head .pic img {
  border-radius: 10px;
}
.webinar .webinar_view .content_head .info {
  width: calc(50% - 20px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.webinar .webinar_view .content_head .info .subject {
  font-size: 24px;
  font-weight: 700;
}
.webinar .webinar_view .content_head .info .product {
  color: #40BE00;
  font-weight: 700;
}
.webinar .webinar_view .content_head .info .lecturer_list {
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  row-gap: 4px;
  color: #C5C5C5;
}
.webinar .webinar_view .content_head .info .lecturer_list .lecturer {
  color: #252525;
  font-weight: 700;
}
.webinar .webinar_view .content_head .info .date_info {
  color: #888;
}
.webinar .webinar_view .content_head .info #webinar-btn-area {
  margin-top: auto;
}
.webinar .webinar_view .content {
  margin: 40px 0 0;
}
.webinar .webinar_view .live {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
}
.webinar .webinar_view .live .chat {
  width: 400px;
  height: 520px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.webinar .webinar_view .live .chat .chat_content {
  height: 100%;
  border-radius: 10px;
  background: #F9F9F9;
  overflow-y: auto;
}
.webinar .webinar_view .live .chat .chat_content .message {
  margin: 20px;
}

@media (max-width: 1024px) {
  .main_slider {
    height: auto;
    padding: 0;
  }
  .main_slider .btn_move {
    background: rgba(0, 0, 0, 0.5);
  }
  .main_slider .btn_move img {
    opacity: 1;
  }
  .main_slider .btn_move.btn_prev {
    left: 0;
    transform: translate(0, -50%);
  }
  .main_slider .btn_move.btn_next {
    right: 0;
    transform: translate(0, -50%);
  }
  .main_slider .slider {
    width: 100%;
    aspect-ratio: 2/1;
  }
  .main_slider .slider .slide {
    width: 100%;
    border-radius: 0;
  }
  .main_page {
    padding: 20px 20px 40px !important;
  }
  .list_topper {
    margin-bottom: 20px;
  }
  .list_topper .tab_container {
    gap: 20px;
    flex-wrap: wrap;
  }
  .list_topper .tab_container button {
    font-size: 16px;
  }
  .list_topper h3 {
    font-size: 24px;
  }
}
@media (max-width: 768px) {
  .main_slider {
    margin-top: 64px;
  }
  .breadcrump {
    gap: 4px;
    margin-top: 80px;
    flex-wrap: wrap;
  }
}
@media (max-width: 767px) {
  .main_slider .btn_move {
    width: 32px;
    height: 32px;
  }
  .list_topper {
    flex-direction: column;
  }
  .list_topper .tab_container {
    width: 100vw;
    gap: 1px;
    background: #F9F9F9;
    margin-top: -20px;
    margin-bottom: 20px;
  }
  .list_topper .tab_container button {
    background: #fff;
    width: calc((100% - 2px) / 3);
    padding: 15px;
    border: none;
  }
  .list_topper .tab_container button.checked {
    background: #40BE00;
    color: #fff;
  }
  .list_topper .tab_container button.wide {
    width: 100%;
  }
  .list_topper .inputbox {
    width: 100%;
  }
  .list_topper .inputbox input {
    width: 100%;
    padding: 15px 64px 15px 15px;
    box-sizing: border-box;
  }
  .list_topper h3 {
    font-size: 24px;
    margin-bottom: 20px;
  }
  .board h5 {
    font-size: 20px;
    margin-top: 40px;
    margin-bottom: 20px;
  }
  .board .list {
    border-top: 2px #252525 solid;
    border-bottom: 2px #252525 solid;
  }
  .board .list li {
    gap: 5px;
    padding: 15px 0;
    text-align: left;
    transition: none;
    flex-wrap: wrap;
    font-size: 13px;
  }
  .board .list li .num {
    display: none;
  }
  .board .list li .category {
    order: 1;
    width: auto;
    color: #40BE00;
  }
  .board .list li .title {
    order: 0;
    width: 100%;
    font-size: 18px;
  }
  .board .list li .title a {
    display: block;
  }
  .board .list li .date {
    order: 2;
    width: auto;
    margin-left: auto;
    color: #C5C5C5;
  }
  .board .list li.header {
    display: none;
  }
  .board .gallery {
    gap: 20px;
  }
  .board .gallery li {
    width: 100%;
  }
  .board .gallery li .name {
    font-size: 13px;
  }
  .board .pagination {
    width: 100%;
    justify-content: space-around;
    margin-top: 20px;
  }
  .board .pagination a {
    padding: 5px;
  }
  .board .view .content_head {
    gap: 10px;
    padding-bottom: 20px;
  }
  .board .view .content_head h2 {
    font-size: 18px;
    border-bottom: 2px #40BE00 solid;
  }
  .board .view .content_head h3 {
    font-size: 20px;
  }
  .board .view .content_head .info_view {
    font-size: 13px;
  }
  .board .view .content {
    margin: 20px 0 20px;
  }
  .board .view .content .files {
    gap: 5px;
    margin-bottom: 20px;
  }
  .board .view .content .files a {
    font-size: 14px;
    padding: 8px 12px;
    gap: 5px;
  }
  .board .view .content .files a .icon {
    width: 18px;
  }
  .board .view.vod_view .content_head {
    border: none;
    padding-bottom: 0;
  }
  .board .view.vod_view .content_bottom {
    padding-bottom: 20px;
    margin-bottom: 40px;
    border-bottom: 1px #C5C5C5 solid;
  }
  .board .view.vod_view .content_bottom h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .board .view.vod_view .content_bottom .speaker {
    font-size: 14px;
  }
  .board .back_button {
    display: block;
    margin: 20px auto 0;
  }
  .player .playbtn img {
    width: 48px;
  }
  .list_control {
    margin-bottom: 20px;
  }
  .list_control .month_ui {
    gap: 10px;
  }
  .list_control .month_ui .current {
    font-size: 1.5em;
  }
  .list_control .month_ui .btn_month {
    opacity: 1;
  }
  .list_control .month_ui .btn_month img {
    width: 40px;
  }
  .list_control .month_ui .btn_month span {
    display: none;
  }
  .btn {
    width: 100%;
    font-size: 16px;
    opacity: 1;
    margin-top: 10px;
  }
  .webinar .webinar_list li {
    flex-direction: column;
    gap: 10px;
  }
  .webinar .webinar_list .info_date {
    width: 100%;
    display: flex;
    align-items: center;
  }
  .webinar .webinar_list .info_date .date {
    font-size: 16px;
    margin: 0;
  }
  .webinar .webinar_list .info_date .time {
    font-size: 14px;
  }
  .webinar .webinar_list .info_date .time::before {
    content: "/";
    color: #E0E0E0;
    font-weight: 200;
    padding: 0 8px;
  }
  .webinar .webinar_list .webinar_box {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  .webinar .webinar_list .webinar_box .img img {
    width: 100%;
    height: auto;
  }
  .webinar .webinar_list .webinar_box .info {
    width: 100%;
    gap: 10px;
  }
  .webinar .webinar_list .webinar_box .info .subject {
    font-size: 18px;
  }
  .webinar .webinar_list .webinar_box .info .lecturer_list {
    font-size: 13px;
  }
  .webinar .banner {
    margin: 80px 0 -40px;
  }
  .webinar .banner img {
    display: block;
    width: 100%;
    border-radius: 10px;
  }
  .webinar .webinar_view {
    display: flex;
    flex-direction: column;
    margin: 80px 0 40px;
  }
  .webinar .webinar_view .content_head {
    flex-direction: column;
    gap: 10px;
    padding-bottom: 20px;
  }
  .webinar .webinar_view .content_head .pic {
    width: 100%;
  }
  .webinar .webinar_view .content_head .info {
    width: 100%;
  }
  .webinar .webinar_view .content_head .info .subject {
    font-size: 18px;
  }
  .webinar .webinar_view .content_head .info .product {
    font-size: 16px;
  }
  .webinar .webinar_view .content {
    margin: 40px 0 0;
  }
  .webinar .webinar_view .live {
    order: 1;
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .webinar .webinar_view .live .player {
    width: 100vw;
    margin-left: -20px;
    border-radius: 0;
  }
  .webinar .webinar_view .live .chat {
    width: 100%;
    height: calc(100dvh - 420px);
    gap: 5px;
  }
  .webinar .webinar_view .live .chat .chat_content .message {
    margin: 15px;
  }
  .webinar .webinar_view .live_info {
    order: 0;
    margin-bottom: 20px;
  }
}/*# sourceMappingURL=style.css.map */