/*------------------------------------------------------------------------------*/
/* sub visual */
/*------------------------------------------------------------------------------*/
.sub_visual {height: 350px; background: url(../images/sub/sub_visual01.jpg) no-repeat center / cover; display: flex; align-items: center; padding-top: 160px;}
.sub_visual_inner {display: flex; align-items: center; justify-content: center; height: 100%;}
.sub_visual_title {font-family: 'YeogiOttaeJalnanGothic'; font-size: 5.5rem; color: #222222;}
.content_inner {display: flex; align-items: flex-start; gap: 70px; padding: 50px 0;}
.content_box {flex: 1; padding: 30px 0;}

/*------------------------------------------------------------------------------*/
/* lnb */
/*------------------------------------------------------------------------------*/
.lnb {width: 230px; flex-shrink: 0;}
.lnb_title {width: 230px; height: 130px; background: #1152ab url(../images/sub/lnb_bg.png) no-repeat right bottom / 50%; border-radius: 15px; display: flex; align-items: center; justify-content: center;}
.lnb_title strong {font-size: 3rem; font-weight: 500; color: #fff; text-align: center;}
.lnb_nav {margin-top: 10px; border: 1px solid #cfd2d7; border-radius: 15px; padding: 10px; overflow: hidden;}
.lnb_item {border-bottom: 1px solid #eaeaea;}
.lnb_item:last-child {border-bottom: none;}
.lnb_link {display: flex; align-items: center; gap: 10px; padding: 14px 12px; font-size: 1.7rem; color: #333333; border-radius: 8px; font-weight: 500;}
.lnb_link::before {content: ""; display: block; width: 4px; height: 4px; border-radius: 50%; background: #c5c5c5; flex-shrink: 0;}
.lnb_item.is_active .lnb_link {background: #1c3775; color: #fff; box-shadow: 0 4px 10px rgba(28, 55, 117, 0.35);}
.lnb_item.is_active .lnb_link::before {background: #fff;}
/* 새창 이동 아이콘 (LNB) */
.lnb_link[target="_blank"]::after,
.lnb_depth3_link[target="_blank"]::after {content: ""; display: inline-block; flex: none; width: 16px; height: 16px; margin-left: 5px; background: url("../images/sub/icon_link.png") no-repeat center / contain; vertical-align: middle;}

/*------------------------------------------------------------------------------*/
/* page header */
/*------------------------------------------------------------------------------*/
.page_header {display: flex; align-items: center; justify-content: space-between; padding-bottom: 40px; border-bottom: 1px solid #c6c6c6;}
.page_title {font-size: 3.6rem; font-weight: 700; color: #222;}
.breadcrumb {display: flex; align-items: center;}
.breadcrumb li {display: flex; align-items: center; font-size: 1.4rem; color: #888;}
.breadcrumb li + li::before {content: ">"; margin: 0 6px; color: #bbb; font-size: 1.2rem;}
.breadcrumb .txt {font-size: 1.4rem; color: #888;}
.breadcrumb .txt:hover {color: #1152ab;}
.breadcrumb .home .txt img {display: block;}
.content_zone{padding:50px 0;}


/*History*/
.history_tbl_wrap {overflow-x: auto; -webkit-overflow-scrolling: touch;}
.history_tbl_wrap table {width: 100%; border-collapse: collapse; border: 1px solid #dbdbdb;}
.history_tbl_wrap thead th {background: #6c7a9e; color: #fff; font-size: 1.8rem; font-weight: 500; padding: 16px 14px; text-align: center; border-right: 1px solid rgba(255,255,255,0.25);}
.history_tbl_wrap thead th:last-child {border-right: none;}
.history_tbl_wrap tbody td {font-size: 1.7rem; color: #444444; font-weight: 200; padding: 16px 14px; text-align: center; border-bottom: 1px solid #dbdbdb; border-right: 1px solid #dbdbdb; line-height: 1.5;}
.history_tbl_wrap tbody td:last-child {border-right: none;}
.history_tbl_wrap tbody tr:last-child td {border-bottom: none;}
.bg_role{background-color: #f4f6fb;}

/*Tab*/
.tab_zone {}
.tab_list {display: flex; align-items: center; border: 1px solid #d8d8d8; border-radius: 10px; overflow: hidden; background: #f7f8fa;}
.tab_item {flex: 1; position: relative;}
.tab_item + .tab_item::before {content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 30px; background: #d8d8d8;}
.tab_item.is_active::before {display: none;}
.tab_item.is_active + .tab_item::before {display: none;}
.tab_link {display: flex; align-items: center; justify-content: center; height: 60px; font-size: 1.8rem; color: #555555; text-align: center; width: 100%; padding: 0 10px;}
.tab_item.is_active .tab_link {background: #1c3775; color: #fff;}
.tab_cont_wrap {margin-top: 30px;}
.tab_cont {display: none;}
.tab_cont.is_active {display: block;}

/*Committees*/
.org_chart {text-align: center; margin: 40px 0;}
.org_chart img {display: inline-block; max-width: 100%; height: auto;}

/*Contact*/
.contact_box {background: #f4f6fb; border-radius: 15px; border: 1px solid #e1e5ee; padding: 50px;}
.contact_top {display: flex; align-items: center; justify-content: space-between; margin-bottom: 50px;}
.contact_info_area {flex: 1;}
.contact_icon {display: block; flex-shrink: 0; max-width: 120px;}
.contact_org {display: block; font-size: 2.4rem; font-weight: 700; color: #222222;}
.contact_service {font-size: 1.8rem; color: #666666; margin-top: 20px;}
.contact_hours {display: inline-flex; align-items: center; justify-content: center; width: 350px; height: 50px; background: #dee4f3; border-radius: 25px; font-size: 2rem; font-weight: 600; color: #082464; margin-top: 15px;}
.contact_list {display: flex; flex-direction: column; gap: 10px;}
.contact_item {display: flex; align-items: flex-start; gap: 14px;}
.contact_item img {display: block; flex-shrink: 0; margin-top: 2px;}
.contact_label {font-size: 1.7rem; font-weight: 600; color: #333333; min-width: 90px; flex-shrink: 0;}
.contact_value {font-size: 1.7rem; color: #444444; line-height: 1.6;}

/*Coming Soon*/
.coming_soon_wrap {display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 40px; max-width: 520px; margin: 0 auto;}
.coming_soon_wrap img {display: block; max-width: 180px;}
.coming_soon_title {display: block; font-size: 2.6rem; font-weight: 700; color: #1c3775; margin-top: 50px;}
.coming_soon_desc {font-size: 1.7rem; color: #555555; margin-top: 10px; text-align: center;}

/*President’s Message*/
.msg_title {font-size: 2.8rem; font-weight: 700; color: #1c3775; margin-bottom: 30px;}
.msg_text {font-size: 1.8rem; font-weight: 200; color: #444444; line-height: 1.9; margin-bottom: 20px;}
.sign_wrap {display: flex; align-items: flex-end; justify-content: flex-end; gap: 16px; margin-top: 50px;}
.sign_role {font-size: 2rem; color: #444444;}
.sign_name {font-family: 'Noto Serif KR', serif; font-size: 2.6rem; color: #010101;}

/*Submission*/
.submission_box {display: flex; flex-direction: column; gap: 50px;}
.submission_item {display: flex; align-items: center;}
.submission_icon {width: 130px; height: 130px; border-radius: 50%; background: #f4f6fb; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-right: 30px;}
.submission_icon img {display: block;}
.submission_title {font-size: 2.4rem; font-weight: 700; color: #1c3775;}
.submission_desc {font-size: 1.7rem; font-weight: 200; color: #444444; margin-top: 20px; line-height: 1.7;}

/*Abstract*/
.abstract_head_title {font-size: 2.6rem; font-weight: 700; color: #333333;}
.abstract_head_desc {font-size: 1.7rem; font-weight: 200; color: #444444; margin-top: 20px;}
.abstract_list {display: flex; flex-direction: column; gap: 50px; margin-top: 50px;}
.abstract_item {display: flex; align-items: flex-start;}
.abstract_icon {width: 130px; height: 130px; border-radius: 50%; background: #f4f6fb; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-right: 30px;}
.abstract_icon img {display: block;}
.abstract_cat_title {font-size: 2.4rem; font-weight: 700; color: #1c3775;}
.abstract_entry_list {display: flex; flex-direction: column; gap: 20px; margin-top: 20px;}
.abstract_entry {display: flex; align-items: flex-start; gap: 10px;}
.abstract_badge {display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 25px; padding: 0 6px; background: #1152ab; border-radius: 12.5px; color: #fff; font-size: 1.3rem; font-weight: 600; flex-shrink: 0; margin-top: 2px;}
.abstract_entry_title {font-size: 1.8rem; font-weight: 700; color: #222222;}
.abstract_entry_info {font-size: 1.7rem; font-weight: 200; color: #444444; margin-top: 10px; line-height: 1.6;}

/*Board*/
.sr_only {position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;}
.board_toolbar {display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;}
.board_total {font-size: 1.6rem; color: #666666;}
.board_total strong {font-weight: 700; color: #000;}
.board_search {display: flex; align-items: center; gap: 5px;}
.board_select {width: 160px; height: 45px; border: 1px solid #cdcdcd; border-radius: 5px; padding: 0 15px; color: #333333; font-size: 1.6rem; background: #fff; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; cursor: pointer;}
.board_search_field {display: flex; align-items: center;}
.board_input {width: 230px; height: 45px; border: 1px solid #cdcdcd; border-right: none; border-top-left-radius: 5px; border-bottom-left-radius: 5px; padding: 0 15px; color: #999999; font-size: 1.6rem; outline: none; -webkit-appearance: none; appearance: none;}
.board_input::-webkit-search-decoration,.board_input::-webkit-search-cancel-button,.board_input::-webkit-search-results-button,.board_input::-webkit-search-results-decoration {display: none;}
.board_input::placeholder {color: #999999;}
.board_search_btn {width: 80px; height: 45px; border: none; border-top-right-radius: 5px; border-bottom-right-radius: 5px; background: #333333; color: #fff; font-size: 1.6rem; cursor: pointer; flex-shrink: 0;}
.board_search_btn:hover {background: #1c3775;}
.board_tbl_wrap {overflow-x: auto; -webkit-overflow-scrolling: touch;}
.board_tbl {width: 100%; border-collapse: collapse; border-top: 1px solid #111111;}
.board_tbl th {background: #f8f8f8; font-size: 1.7rem; color: #222222; font-weight: 600; padding: 16px 14px; text-align: center; border-bottom: 1px solid #dbdbdb; }
.board_tbl th:last-child {border-right: none;}
.board_tbl td {font-size: 1.6rem; color: #444444; font-weight: 200; padding: 16px 14px; text-align: center; border-bottom: 1px solid #dbdbdb; line-height: 1.5;}

.board_tbl .td_title {color: #222222; font-size: 1.7rem;}
.btn_download {display: inline-flex; align-items: center; gap: 8px; width: 110px; height: 30px; justify-content: center; border: 1px solid #2a4ea4; border-radius: 5px; font-size: 1.4rem; color: #2a4ea4; white-space: nowrap;}
.btn_download img {display: block; flex-shrink: 0;}
.btn_download:hover {background: #2a4ea4; color: #fff;}
.btn_download:hover img {filter: brightness(0) invert(1);}
.board_notice {display: flex; align-items: center; gap: 8px; margin-top: 20px; font-size: 1.6rem; color: #ff0000; font-weight: 200; line-height: 1.5;}
.board_notice::before {content: ""; display: block; background: url(../images/sub/icon_delca.png) no-repeat center / auto; width: 31px; height: 30px; background-size: auto; flex-shrink: 0;}

/*Travel & Venue*/
.tv_box {display: flex; flex-direction: column; gap: 50px;}
.tv_item {display: flex; align-items: flex-start;}
.tv_icon {width: 130px; height: 130px; border-radius: 50%; background: #f4f6fb; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-right: 30px;}
.tv_icon img {display: block;}
.tv_content {flex: 1; padding-top: 4px;}
.tv_title {font-size: 2.4rem; font-weight: 700; color: #1c3775; margin-bottom: 12px;}
.tv_desc {font-size: 1.7rem; font-weight: 200; color: #444444; line-height: 1.8;}
.tv_sub_block {margin-top: 30px;}
.tv_sub_block:first-of-type {margin-top: 0;}
.tv_sub_title {font-size: 1.8rem; font-weight: 700; color: #222222; margin-bottom: 6px;}
.tv_link_list {display: flex; flex-direction: column; gap: 10px; list-style: none; padding: 0; margin: 0;}
.tv_link_item {font-size: 1.7rem; font-weight: 200; color: #444444; line-height: 1.8;}
.tv_ext_link {display: inline-flex; align-items: center; gap: 4px; color: #1152ab; text-decoration: underline; text-decoration-color: #1152ab; word-break: break-all;}
.tv_ext_link img {display: block; flex-shrink: 0;}

/*------------------------------------------------------------------------------*/
/* Responsive - 1280px */
/*------------------------------------------------------------------------------*/
@media (max-width: 1280px) {
.content_inner {gap: 40px; padding: 40px 0;}
.lnb {width: 200px;}
.lnb_title {width: 200px;}
}

/*------------------------------------------------------------------------------*/
/* Responsive - 1024px */
/*------------------------------------------------------------------------------*/
@media (max-width: 1024px) {
.sub_visual {padding-top: 100px;}
.sub_visual_title {font-size: 4.2rem;}
.content_inner {gap: 0; padding: 35px 0;}
.lnb {display: none;}
.content_box{padding:20px;}
.page_title {font-size: 3rem;}
.msg_title {font-size: 2.4rem;}
.msg_text {font-size: 1.6rem;}
}

/*------------------------------------------------------------------------------*/
/* Responsive - 768px */
/*------------------------------------------------------------------------------*/
@media (max-width: 768px) {
.gnb {top: 70px; height: calc(100vh - 70px);}
.sub_visual {height: 220px; padding-top: 70px;}
.sub_visual_title {font-size: 3.4rem;}
.content_inner { gap: 0; padding: 25px 0;}
.lnb {width: 100%;}
.lnb_title {width: 100%; height: 80px; border-radius: 12px;}
.lnb_title strong {font-size: 2.4rem;}
.lnb_nav {display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; border-radius: 12px; overflow: visible;}
.lnb_item {border-bottom: none; flex-shrink: 0;}
.lnb_link {padding: 8px 16px; border: 1px solid #cfd2d7; border-radius: 20px; font-size: 1.5rem;}
.lnb_link::before {display: none;}
.lnb_item.is_active .lnb_link {box-shadow: none;}
.content_box {padding: 10px; min-width: 0;}
.page_header {flex-direction: column; align-items: flex-start; gap: 20px; padding-bottom: 20px;}
.krds-breadcrumb-wrap {align-self: flex-end;}
.page_title {font-size: 2.6rem;}
.breadcrumb li {font-size: 1.3rem;}
.content_zone {padding: 25px 0;}
.msg_title {font-size: 2.2rem; margin-bottom: 20px;}
.msg_text {font-size: 1.6rem; line-height: 1.8;}
.sign_wrap {gap: 12px; margin-top: 35px;}
.sign_role {font-size: 1.6rem;}
.sign_name {font-size: 2rem;}
.submission_box {gap: 36px;}
.submission_icon {width: 110px; height: 110px; margin-right: 24px;}
.submission_icon img {max-width: 70px; max-height: 70px;}
.submission_title {font-size: 2.2rem;}
.submission_desc {font-size: 1.6rem; margin-top: 16px;}
.abstract_head_title {font-size: 2.2rem;}
.abstract_head_desc {font-size: 1.6rem;}
.abstract_list {gap: 36px; margin-top: 36px;}
.abstract_icon {width: 110px; height: 110px; margin-right: 24px;}
.abstract_icon img {max-width: 70px; max-height: 70px;}
.abstract_cat_title {font-size: 2.2rem;}
.abstract_entry_title {font-size: 1.7rem;}
.abstract_entry_info {font-size: 1.6rem;}
.board_toolbar {flex-wrap: wrap; gap: 12px;}
.board_select {width: 130px;}
.board_input {width: 180px;}
.tv_box {gap: 36px;}
.tv_icon {width: 110px; height: 110px; margin-right: 24px;}
.tv_icon img {max-width: 70px; max-height: 70px;}
.tv_title {font-size: 2.2rem;}
.tv_desc {font-size: 1.6rem;}
.tv_sub_title {font-size: 1.7rem;}
.tv_link_item {font-size: 1.6rem;}
.contact_box {padding: 30px;}
.contact_hours {width: 100%; font-size: 1.7rem;}
.contact_icon {max-width: 80px;}
.coming_soon_wrap {padding: 50px 30px;}
.coming_soon_wrap img {max-width: 150px;}
.coming_soon_title {font-size: 2.2rem; margin-top: 40px;}
.coming_soon_desc {font-size: 1.6rem;}
.history_tbl_wrap table {min-width: 600px;}
.tab_link {font-size: 1.6rem;}
}

/*------------------------------------------------------------------------------*/
/* Responsive - 480px */
/*------------------------------------------------------------------------------*/
@media (max-width: 480px) {
.sub_visual_title {font-size: 2.8rem;}
.content_inner {padding: 20px 0;}
.lnb_title {height: 70px;}
.lnb_title strong {font-size: 2.2rem;}
.lnb_link {font-size: 1.4rem; padding: 7px 14px;}
.page_title {font-size: 2.4rem;}
.msg_title {font-size: 2rem; margin-bottom: 16px;}
.msg_text {font-size: 1.5rem; margin-bottom: 16px;}
.sign_role {font-size: 1.5rem;}
.sign_name {font-size: 1.8rem;}
.contact_box {padding: 24px;}
.contact_icon {display: none;}
.contact_label {min-width: 75px;}
.coming_soon_wrap {padding: 40px 20px;}
.coming_soon_wrap img {max-width: 120px;}
.coming_soon_title {font-size: 2rem; margin-top: 30px;}
.coming_soon_desc {font-size: 1.5rem;}
.tab_list {flex-wrap: wrap; border-radius: 8px;}
.tab_item {flex: 0 0 50%;}
.tab_item:nth-child(1) .tab_link, .tab_item:nth-child(2) .tab_link {border-bottom: 1px solid #d8d8d8;}
.tab_item + .tab_item::before {display: none;}
.tab_item:nth-child(2)::before, .tab_item:nth-child(4)::before {content: ""; display: block; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 30px; background: #d8d8d8;}
.tab_item.is_active + .tab_item::before {display: none;}
.tab_link {font-size: 1.5rem; height: 52px;}
.contact_item{flex-direction: column; gap:10px}
.submission_item {flex-direction: column; align-items: flex-start;}
.submission_icon {margin-right: 0; margin-bottom: 16px; width: 90px; height: 90px;}
.submission_icon img {max-width: 55px; max-height: 55px;}
.submission_title {font-size: 2rem;}
.submission_desc {font-size: 1.5rem; margin-top: 12px;}
.abstract_head_title {font-size: 2rem;}
.abstract_list {gap: 30px; margin-top: 30px;}
.abstract_item {flex-direction: column; align-items: flex-start;}
.abstract_icon {margin-right: 0; margin-bottom: 16px; width: 90px; height: 90px;}
.abstract_icon img {max-width: 55px; max-height: 55px;}
.abstract_cat_title {font-size: 2rem;}
.abstract_entry_title {font-size: 1.6rem;}
.abstract_entry_info {font-size: 1.5rem;}
.board_search {flex-wrap: wrap;}
.board_input {width: 150px;}
.board_search_btn {width: 70px;}
.tv_box {gap: 28px;}
.tv_item {flex-direction: column; align-items: flex-start;}
.tv_icon {margin-right: 0; margin-bottom: 16px; width: 90px; height: 90px;}
.tv_icon img {max-width: 55px; max-height: 55px;}
.tv_title {font-size: 2rem;}
.tv_desc {font-size: 1.5rem;}
.tv_sub_title {font-size: 1.6rem;}
.tv_link_item {font-size: 1.5rem;}
}