/* common */
body.overflow-hidden {
    overflow: hidden;
}

.container {
    max-width: 87.5rem;
    width: 100%;
    margin: 0 auto;
}

/* header */
.header {
    position: absolute;
    width: 100%;
    letter-spacing: -0.05em;
    z-index: 999;
    background: linear-gradient(180deg, rgba(4, 4, 4, 0.40) 20%, rgba(0, 0, 0, 0.00) 90%);
    transition: background 0.3s ease, transform 0.3s ease;
    top: 0;
    left: 0;
}

.header.sticky {
    position: fixed;
    box-shadow: 0 0.125rem 1rem rgba(0, 0, 0, 0.1);
}

.header.on {
    background: #fff;
}

.header.on .head-menu .gnb .depth01>li>a,
.header.on .lnb .lnb-link a {
    color: #222;
}

.header.sticky.down {
    transform: translateY(-2.625rem);
    /* LNB 높이만큼 위로 밀어올림 */
}

.header.sticky.up {
    transform: translateY(0);
}

.lnb {
    height: auto;
}

.lnb-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.header:after {
    clear: both;
    display: block;
    width: 100%;
    content: "";
}

.header .header-wrap {
    width: 100%;
}

.header .head-menu {
    height: inherit;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 90%;
    margin: 0 auto;
}

.header .head-menu h1 a {
    display: flex;
    width: 100%;
    align-items: center;
}

.header .head-menu h1 img {
    vertical-align: middle;
}

.header .head-menu .gnb {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 1.25rem
}

.header .head-menu .gnb .depth01 {
    height: 5.625rem;
    display: flex;
}

.header .head-menu .gnb .depth01>li {
    vertical-align: top;
    text-align: center;
    position: relative;
}

.header .head-menu .gnb .depth01>li>a {
    color: #fff;
    font-size: 1.125rem;
    font-weight: 500;
    transition: all .3s ease;
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 1.5625rem;
    position: relative;
}

/* 호버 시 텍스트 아래에 중앙에서부터 선이 그어지는 가상 요소 기초 설정 */
.header .head-menu .gnb .depth01>li>a::after {
    content: '';
    position: absolute;
    bottom: 0;
    /* 텍스트 살짝 아래 배치 */
    left: 50%;
    /* 중앙 시작점 */
    transform: translateX(-50%);
    width: 0;
    /* 처음엔 길이 0 */
    height: 3px;
    /* 선 두께 */
    background-color: #fff;
    /* 기본 바탕이 어두울 땐 깔끔한 흰색 선 */
    transition: width 0.3s ease, background-color 0.3s ease;
    /* 넓이와 색상 부드럽게 스케일링 결합 */
}

/* 헤더 테마가 하얗게 변했을 땐 빨간 선으로 */
.header.on .head-menu .gnb .depth01>li>a::after {
    background-color: #f54b1e;
}

/* 마우스 호버(Hover) 또는 클릭(Active) 시 글자 너비만큼 선 길이 증가 */
.header .head-menu .gnb .depth01>li:hover>a::after,
.header .head-menu .gnb .depth01>li.active>a::after {
    width: calc(100% - 3.125rem);
    /* 패딩 여백(양옆 총 3.125rem)을 뺀 실제 텍스트 길이만큼 너비 확장 */
}

.header .head-menu .gnb .depth01 li .depth02 {
    position: absolute;
    top: 100%;
    left: 0;
    width: 90vw;
    display: flex;
    justify-content: flex-start;
    border-left: 1px solid #e6e6e6;
    border-right: 1px solid #e6e6e6;
    padding-top: 1px;
    max-height: calc(100vh - 12rem);
    overflow-y: auto;
}

.header .head-menu .gnb .depth01 li .depth02::-webkit-scrollbar {
    width: 5px;
}

.header .head-menu .gnb .depth01 li .depth02::-webkit-scrollbar-thumb {
    background: #f54b1e;
}

.header .head-menu .gnb .depth01 li .depth02::-webkit-scrollbar-track {
    background: #f1f1f1;
}


.header .head-menu .gnb .depth01>li>.depth02>ul {
    width: 100%;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}



.header .head-menu .gnb .depth01>li>.depth02>ul>li {
    display: block;
    text-align: left;
    width: 20%;
    border-right: 1px solid #e6e6e6;
    border-bottom: 1px solid #e6e6e6;
    padding: 2.5rem 1.25rem;
    box-sizing: border-box;
    transition: background 0.3s ease;
}


.header .head-menu .gnb .depth01>li>.depth02>ul>li:nth-child(5n) {
    border-right: none;
}


.header .head-menu .gnb .depth01>li>.depth02>ul>li:hover {
    background: #fcfcfc;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li:hover>a {
    color: #f54b1e;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>a {
    position: relative;
    font-weight: 700;
    color: #403b37;
    display: block;
    font-size: 1.0625rem;
    height: fit-content;
    transition: all .2s ease;
}


.header .head-menu .gnb .depth01>li>.depth02>ul>li>a i {
    position: absolute;
    right: 10px;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>a[target="_blank"]:after {
    content: '';
    display: inline-block;
    transform: translateY(.1rem);
    margin-left: .3125rem;
    width: .9375rem;
    height: .9375rem;
    background: url("/resources/images/site/eng/layout/common/ico_link.svg") no-repeat;
    background-size: contain;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li:hover>a[target="_blank"]:after {
    background: url("/resources/images/site/eng/layout/common/ico_link-on.svg") no-repeat;
}

/* depth03 styles */
.header .head-menu .gnb .depth01>li>.depth02>ul>li>.depth03 {
    margin-top: .625rem;
    display: flex;
    flex-direction: column;
    gap: .625rem;
    width: 100%;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>.depth03>li {
    width: 100%;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>.depth03>li>a {
    background: transparent;
    padding: .125rem 0;
    font-size: .9375rem;
    font-weight: 400;
    color: #555;
    border-radius: 0;
    display: block;
    line-height: 1.2;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>.depth03>li>a[target="_blank"]:after {
    content: '';
    display: inline-block;
    transform: translateY(.1rem);
    margin-left: .3125rem;
    width: .8rem;
    height: .8rem;
    background: url("/resources/images/site/eng/layout/common/ico_link.svg") no-repeat;
    background-size: contain;
}

.header .head-menu .gnb .depth01>li>.depth02>ul>li>.depth03>li>a:hover {
    text-decoration: underline;
}

.lnb {
    /* border-bottom: 1px solid rgba(255, 255, 255, .4); */
}

.lnb-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 90%;
    margin: 0 auto;
}

.lnb-link {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.lnb-link a {
    color: #fff;
    font-size: .8125rem;
    padding: 10px 0;
    position: relative;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
    text-transform: uppercase;
}

/* 요소 사이에 들어가는 둥근 점 가상선택자 */
.lnb-link a:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -0.625rem;
    /* gap(1.25rem)의 정확히 절반 위치에 점을 배치 */
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    /* 기본 하얀 텍스트 옆 반투명 점 */
}

/* 헤더가 밝아질 때(.header.on) LNB 텍스트와 점도 검은색/어두운 색상으로 전환해 묻히지 않게 조치 */
.header.on .lnb-link a {
    color: #333;
}

.header.on .lnb-link a:not(:last-child)::after {
    background-color: rgba(0, 0, 0, 0.2);
}

/* gnb bottom (header-sns, header-btn) */
.gnb-bottom {
    display: flex;
    align-items: center;
    gap: .9375rem;
}

.header-sns {
    display: flex;
    gap: .5rem;
    align-items: center;
}

/* SNS 아이콘을 둥근 버튼으로 디자인 */
.header-sns a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.header-sns a img {
    width: 1rem;
    height: 1rem;
    object-fit: contain;
}

/* 텍스트 유틸리티 (POPUP, LOGIN 등) 캡슐 라운드 버튼 규격화 */
.util-wrap {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.util-wrap>* {
    display: inline-block;
    padding: .35rem 1rem;
    font-size: .75rem;
    font-weight: 600;
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 2rem;
    /* 캡슐 형태 */
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}


.util-wrap>*:hover {
    background: #f54b1e;
    color: #fff;
    border-color: #f54b1e;
}

.util-wrap>.popup-open:hover {
    background: #222;
    border-color: #222;
}


/* 헤더에 마우스를 올렸을 때(.on 상태 - 흰색 테마) 버튼 색상 반전 처리 */
.header.on .header-sns a {
    background: #f8f8f8;
    border-color: #ddd;
}

.header.on .util-wrap>* {
    color: #555;
    border-color: #ccc;
}

.header.on .util-wrap>*:hover {
    background: #f54b1e;
    color: #fff;
    border-color: #f54b1e;
}

.header-btn {
    background: #f54b1e;
    font-family: 'Merriweather';
    padding: .625rem 1.875rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: .3125rem;
    border-radius: 3.125rem;
}

.head-btn-wrap {
    display: flex;
    align-items: center;
}

.head-btn-wrap button{
    width: 4rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* mobile menu button */

.menu-bar i {
    font-size: 1.5rem;
}

/* menu background */
.menu-bg {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100vw;
    background: #fff;
    z-index: -1;
}

.header.on .menu-bg {
    border-top: 1px solid #eaeaea;
}

/*skip*/
.skip_nav {
    z-index: 9999;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    text-align: center
}

.skip_nav a {
    display: block;
    width: 100%;
    height: 0;
    overflow: hidden;
    white-space: nowrap;
}

.skip_nav a:focus,
.skip_nav a:active {
    display: block;
    width: 100%;
    height: 2.25rem;
    color: #fff;
    background: #000;
    line-height: 2.25rem;
    text-decoration: underline !important;
    font-size: .875rem;
}

/*popup*/
.popup_area {
    position: fixed;
    background: rgba(0, 0, 0, .8);
    z-index: 9999;
    width: 100vw;
    height: 0;
    opacity: 0;
    overflow: hidden;
    transition: opacity .3s ease;
}

.popup_area.show {
    height: 100%;
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup_list {
    overflow: hidden;
    max-width: 80%;
    width: 100vw;
}

.popup_list .popup_item img {
    width: auto;
    max-width: 100%;
}

.popup_btn {
    display: flex;
    justify-content: center;
    padding-top: 3rem;
    gap: .625rem;
}

.popup_btn a {
    color: #fff;
    padding: .8rem 2.5rem;
    border-radius: 2.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.popup_btn a.today_close {
    border: .125rem solid #fff;
}

.popup_btn a.close {
    background: #f54b1e;
}

.popup_list .indicator {
    display: flex;
    align-items: center;
    justify-content: end;
    padding-bottom: 1.25rem;
}

.popup_list .indicator>div {
    width: 3.125rem;
    height: 3.125rem;
    cursor: pointer;
    display: block;
    border-radius: 3.125rem;
    border: .0625rem solid #fff;
    color: #fff;
}

.popup_list .indicator .swiper-button-disabled {
    opacity: .5;
}

.popup_list .indicator .popup_prev {
    position: relative;
    transition: all 0.3s ease;
}

.popup_list .indicator .popup_next {
    position: relative;
    margin-left: .3125rem;
    transition: all 0.3s ease;
}

.popup_list .indicator .popup_prev::after,
.popup_list .indicator .popup_next::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    transition: border-color 0.3s ease;
}

.popup_list .indicator .popup_prev::after {
    transform: translate(-30%, -50%) rotate(-45deg);
}

.popup_list .indicator .popup_next::after {
    transform: translate(-70%, -50%) rotate(135deg);
}

.popup_list .indicator>div:hover {
    background-color: #f54b1e;
    border-color: #f54b1e;
}

.popup_list .indicator>div:hover::after {
    border-color: #fff;
}

.popup_slide {
    justify-content: space-evenly;
    text-align: center;
}

.popup_slide .popup_item {
    max-height: 75vh;
    overflow-y: auto;
}

.popup_item::-webkit-scrollbar {
    width: 3px;
}

.popup_item::-webkit-scrollbar-thumb {
    background-color: #f54b1e;
}

.popup_item::-webkit-scrollbar-track {
    background-color: grey;
}

/*footer*/
.footer {
    background: #0b0c10;
    /* 시안과 동일한 어두운 검정톤 배경 */
    padding: 5rem 0 3rem;
    color: #888;
    font-size: .875rem;
    line-height: 1.6;
    position: relative;
    z-index: 10;
}

.footer-group {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-group .logo {
    width: 22%;
}

.footer-group .logo img {
    max-width: 200px;
    /* 로고 적정 비율 */
}

.footer-group .info {
    width: 78%;
    display: flex;
    /* 서울캠퍼스와 이메일 블록을 좌우로 나눔 */
    gap: 4rem;
}

.footer-group .info dl {
    flex: 1;
}

.footer-group .info dt {
    color: #fff;
    /* 타이틀 흰색 강조 */
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-group .info dd {
    margin-bottom: .3rem;
}

/* 연락처 가로 간격 */
.footer-group .contact dd span+span {
    padding-left: 1.25rem;
}

/* 이메일 목록 가로 정렬 */
.footer-group .contact-mail dd {
    display: flex;
    align-items: center;
}

/* 이메일 주소를 고정 폭으로 잡아서 우측 부서명들 시작선 맞춤 */
.footer-group .contact-mail dd span:first-child {
    width: 170px;
    flex-shrink: 0;
    color: #aaa;
    /* 조금 더 밝게 처리 */
}

/* 구분선(|) 삽입 */
.footer-group .contact-mail dd span:last-child::before {
    content: '|';
    display: inline-block;
    color: #333;
    /* 어두운 구분선 */
    margin: 0 12px;
}

.footer .copyright {
    text-align: center;
    color: #666;
    font-size: .75rem;
    margin-top: 5rem;
    /* 윗 여백 */
}


/*to top*/
#scroll {
    position: fixed;
    right: 15px;
    bottom: 1.875rem;
    cursor: pointer;
    width: 4rem;
    height: 4rem;
    background-color: #b6ada7;
    text-align: center;
    color: #fff;
    z-index: 999;
    border-radius: 50px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#scroll.visible {
    opacity: 1;
    visibility: visible;
}

#scroll span {
    display: block;
    font-size: .8125rem;
}

#scroll i {
    position: relative;
    top: .5rem;
    transition: all .2s;
    font-size: 1.875rem;
    font-weight: 300;
}

#scroll:hover i {
    top: .125rem;
}


.sitemap-open {
    flex-direction: column;
    justify-content: space-around;
    width: 5rem;
    height: 5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.sitemap-open i {
    font-size: 1.5rem;
}

/* sitemap */
.sitemap-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.sitemap-modal.active {
    opacity: 1;
    visibility: visible;
}

.sitemap-modal-content {
    background: #fff;
    padding: 2rem;
    width: 90vw;
    height: 90%;
    display: flex;
    flex-direction: column;
}

.sitemap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.sitemap-title {
    font-size: 1.5rem;
    font-weight: 500;
    font-family: 'Merriweather';
    color: #333;
}

.sitemap-title span {
    color: #ea5514;
}

.sitemap-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.sitemap-body {
    flex: 1;
    overflow-y: auto;
}

.sitemap-body .depth01 {
    display: flex;
    flex-wrap: wrap;
}

.sitemap-body .depth01>li {
    width: 100%;
    display: flex;
    gap: 5rem;
    border-bottom: 2px solid #222;
    padding-bottom: 1.875rem;
    margin-bottom: 1.875rem;
}

.sitemap-body .depth01>li>a {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    width: 10%;
}

.sitemap-body .depth02 {
    display: block !important;
    width: 90%;
}

.sitemap-body .depth02 .title {
    display: none;
}

.sitemap-body .depth02 ul {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.sitemap-body .depth02>ul>li {
    width: calc(100% / 5 - 10px);
}

.sitemap-body .depth02>ul>li>a {
    font-size: 1rem;
    color: #52403b;
    padding-bottom: 10px;
    display: block;
    font-weight: 600;
}

.sitemap-body .depth02 ul li a:hover {}

.sitemap-body .depth03 li a {
    color: #555;
    font-weight: 300;
    font-size: .9rem;
}

.sitemap-body .depth03 li a:hover {
    text-decoration: underline;
}

.sitemap-body .depth03 {
    display: flex;
    flex-direction: column;
}

/* search modal */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    background: #fff;
    padding: 2rem;
    width: 90vw;
    height: 90%;
    display: flex;
    flex-direction: column;
}

.search-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.search-title {
    font-size: 1.5rem;
    font-weight: 500;
    font-family: 'Merriweather';
    color: #333;
}

.search-title span {
    color: #ea5514;
}

.search-close {
    background: none;
    border: none;
    cursor: pointer;
}

.search-close img {
    width: 2rem;
}

.search-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.search-form-wrap {
    width: 100%;
    max-width: 800px;
    position: relative;
    border-bottom: 2px solid #222;
    padding-bottom: 0.5rem;
}

.search-form-wrap input {
    width: 100%;
    border: none;
    padding: 1rem 4rem 1rem 0;
    font-size: 2rem;
    outline: none;
    font-weight: 300;
}

.search-submit {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
}

.search-submit img {
    width: 2.5rem;
}

.keyword-wrap {
    width: 100%;
    max-width: 800px;
}

.keyword-wrap h3 {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.keyword-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.keyword-list a {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border: 1px solid #ddd;
    border-radius: 2rem;
    font-size: 0.9375rem;
    color: #555;
    transition: all 0.3s ease;
}

.keyword-list a:hover {
    border-color: #ea5514;
    color: #ea5514;
    background: rgba(234, 85, 20, 0.05);
}

/*snb*/
.inner {
    max-width: 1400px;
    margin: 0 auto;
}

.lg_block {
    display: block;
}

.header .top {
    background: transparent;
}

.sub_top {
    height: 43.75rem;
    position: relative;
    z-index: 1;
}

.sub_visual_wrap {
    position: absolute;
    width: 100%;
    overflow: hidden;
    height: 43.75rem;
    top: -3.125rem;
}

.page-title {
    position: relative;
    font-family: 'Merriweather';
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    height: calc(100% - 60px);
    flex-direction: column;
    justify-content: center
}

.page-title p {
    color: #fff;
    font-size: 2rem;
    padding-bottom: 2.5rem;
}

.page-title h3 {
    color: #fff;
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.3125rem;
    position: relative;
}

.page-title h3:before {
    content: '';
    display: block;
    width: 100px;
    height: 2px;
    background: #fff;
}

.sub_visual_wrap:before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    animation: visual_down 1.5s forwards;
}

.sub_visual_wrap:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55) 0%, rgba(255, 255, 255, 0) 100%);
}

.sub_visual_wrap.fixed:before {
    animation: visual_up 1.5s forwards;
}

.sub_visual:before {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat
}

.sub_visual.change1:before {
    background-image: url("/resources/images/site/common/sub_visual01.jpg");
}

.sub_visual.change2:before {
    background-image: url("/resources/images/site/common/sub_visual02.jpg");
}

.sub_visual.change3:before {
    background-image: url("/resources/images/site/common/sub_visual03.jpg");
}

.sub_visual.change4:before {
    background-image: url("/resources/images/site/common/sub_visual04.jpg");
}

.sub_visual.change5:before {
    background-image: url("/resources/images/site/common/sub_visual05.jpg");
}

.sub_visual.change6:before {
    background-image: url("/resources/images/site/common/sub_visual06.jpg");
}

.sub_visual.change7:before {
    background-image: url("/resources/images/site/common/sub_visual07.jpg");
}

.sub_visual.change8:before {
    background-image: url("/resources/images/site/common/sub_visual08.jpg");
}

.sub_visual.change9:before {
    background-image: url("/resources/images/site/common/sub_visual09.jpg");
}

.sub_top .inner {
    position: relative;
    height: 100%;
    z-index: 0;
    padding: 0;
    margin: 0 auto;
}

@keyframes visual_down {
    0% {
        top: 50px;
    }

    100% {
        top: 0;
    }
}

@keyframes visual_up {
    0% {
        top: 0;
    }

    100% {
        top: 50px;
    }
}

.snb_wrap {
    position: absolute;
    bottom: 0;
    background: #fff;
    width: 100%;
    border-bottom: 1px solid #e6e6e6;
}

.snb_wrap {
    position: absolute;
    bottom: 0;
    width: 100%;
}

.snb {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    background: #fff;
}

.snb>ul {
    display: flex;
    align-items: center;
}

.snb ul>.depth>a {
    position: relative;
    display: block;
    padding: 0 3.75rem 0 1.875rem;
    height: 100%;
    color: #222;
}

.snb ul>.depth>a:after {
    content: '';
    position: absolute;
    top: 50%;
    right: 1rem;
    width: 6px;
    height: 6px;
    margin-top: -6px;
    background-color: transparent;
    border-top: 2px solid #c8c8c8;
    border-right: 2px solid #c8c8c8;
    transform: rotate(135deg);
    -moz-transform: rotate(135deg);
    -ms-transform: rotate(135deg);
    -o-transform: rotate(135deg);
    -webkit-transform: rotate(135deg);
    transition: all .3s;
}

.snb ul>.depth>a:hover {
    text-decoration: none !important;
}

.snb ul>.depth>a.active:after {
    transform: rotate(45deg);
}

.snb .depth {
    position: relative;
    min-width: 245px;
    border-left: 1px solid #e6e6e6;
}

.snb .depth:after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, .15);
}

.snb .depth ul {
    position: absolute;
    z-index: 10;
    width: 100%;
    background: #fff;
    top: 40px;
    box-shadow: 0px 10px 30px 0px rgba(0, 0, 0, .1);
}

.snb .depth ul li {}

.snb .depth ul li:hover {
    background: #897C75;
}

.snb .depth ul li a {
    display: inline-block;
    width: 100%;
    height: 100%;
    padding: 10px 30px;
}

.snb .depth ul li a:hover {
    text-decoration: none !important;
}

.snb .depth ul li a[target="_blank"]:after {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    transform: translateY(1px);
    background: url(/resources/images/site/contents/ico_link_sm2.png) center no-repeat;
    padding-right: 8px;
}

.snb .depth ul li a[target="_blank"]:hover:after {
    background: url(/resources/images/site/contents/ico_link_sm3.png) center no-repeat;
}

.snb #depth3 {
    min-width: 245px;
    width: auto;
}

.snb .depth ul li:hover a {
    color: #fff;
}

.snb .depth ul li.active a {
    color: #E94E1B;
}

.snb .depth ul li.active:hover a {
    color: #fff;
}

.snb ul li.home {
    background: url("/resources/images/site/eng/layout/common/home.svg") center no-repeat;
    width: 60px;
    height: 60px;
}

.snb ul li.home a {
    display: inline-block;
    width: 100%;
    height: 100%;
}

.snb ul.util {}

.snb ul.util li {
    position: relative;
    width: 60px;
    height: 60px;
}

.snb ul.util li:last-child:before {
    content: '';
    display: inline-block;
    width: 1px;
    height: 20px;
    background: #e6e6e6;
    position: absolute;
    top: 50%;
    transform: translateY(-50%)
}

.snb ul.util>li>a {
    display: inline-block;
    width: 100%;
    height: 100%;
}

.snb ul.util .print {
    background: url("/resources/images/site/eng/layout/common/print.svg") center no-repeat;
}

.snb ul.util .share {
    background: url("/resources/images/site/eng/layout/common/share.svg") center no-repeat;
}

ol i {
    font-style: normal;
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: top;
    line-height: 20px;
    transform: translateY(2px);
    background: #898887;
    border-radius: 50px;
    text-align: center;
    font-size: 0.8rem;
    margin-right: 10px;
    color: #fff;
}

ol p {
    display: inline-block;
    width: calc(100% - 30px);
}


/*공유하기*/
.card_share {
    float: right;
    position: relative;
    margin-top: -42px;
}

.social {
    position: absolute;
    top: 0;
    right: 10px;
    visibility: hidden;
    transform: translateY(0px);
    transition: transform 0.35s ease;
}

.social_active {
    visibility: visible;
    /*z-index: 3;*/
    transform: translateY(75px);
    transition: transform 0.35s ease;
}

.share_toggle {
    z-index: 2;
}

.share_icon {
    display: block;
    width: 2.3125rem;
    height: 2.3125rem;
    line-height: 2.3125rem;
    margin-bottom: 0.3125rem;
    text-align: center;
    border-radius: 0.3125rem;
    background-color: #fff;
    transition: all 0.3s ease;
    outline: 0;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.12), 0 0.125rem 0.25rem rgba(0, 0, 0, 0.24);
}

.share_icon:hover,
.share_icon:focus {
    box-shadow: 0 0.1875rem 0.375rem rgba(0, 0, 0, 0.12), 0 0.1875rem 0.375rem rgba(0, 0, 0, 0.24);
    transform: scale(1.2);
}

.facebook {
    background: #3b5998 url("/resources/images/site/common/ico_share_facebook.png") center no-repeat;
}

.twitter {
    background: #1C1C1B url("/resources/images/site/eng/layout/common/x.svg") center no-repeat;
}

.googleplus {
    background-color: #d3492c;
}

.facebook,
.twitter,
.googleplus {
    color: #fff;
}

.facebook:hover,
.twitter:hover,
.googleplus:hover {
    color: #eee;
}

.facebook:focus,
.twitter:focus {
    border: 2px solid #000;
}

.contents {
    padding: 5rem 0;
    line-height: 1.8;
    font-weight: 300;
    overflow: hidden;
}

.section_tit {
    padding-bottom: 60px;
    display: none;
}
 
.section_tit h1 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    letter-spacing: 0.0625rem;
}

.cont_tit {
    font-size: 1.45rem;
    font-weight: 500;
    margin: 20px 0;
    color: #333;
    position: relative;
    /* padding-left: 30px; */
    line-height: 1.5;
}

.cont_tit:before {
    content: "";
    position: absolute;
    left: -12px;
    top: -10px;
    display: block;
    width: 7px;
    height: 10px;
    background: #EA5514;
    transform: skew(-45deg);
}

.cont_sub_tit {
    position: relative;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 10px 0;
    color: #336579;
    line-height: 1.4;
    /*padding-top: 15px;background: url("/resources/images/site/common/ico_h3.png") left no-repeat;)*/
}

/*.cont_sub_tit:before{content: ''; width: 8px; height: 3px; background:#EA5514; position: absolute; top:0; left: 0; }*/
/*.cont_sub_tit:after{content: ''; width: 8px; height: 3px; background:#FBC400; position: absolute; top:0; left: 8px; }*/
.cont_group {
    margin-bottom: 50px;
}

.tabs {
    margin-bottom: 50px;
}

.tabs ul {
    display: flex;
    flex-wrap: wrap;
}

.tabs ul {
    display: flex;
    flex-wrap: wrap;
}

.tabs ul li a:hover {
    text-decoration: none !important;
}

.tabs ul li a:focus-visible {
    outline-offset: 3px
}

/*.tabs ul li+li a:before{content: ''; position: absolute; left: -3px; top: 26px; width: 3px; height: 15px; background: #ddd; transform:  rotate(195deg); }*/
.tabs ul li>a[target="_blank"]:after {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    transform: translateY(1px);
    background: url(/resources/images/site/contents/ico_link_sm2.png) center no-repeat;
    padding-right: 15px;
}

.tabs ul li.active {
    border: 0;
    background: #897C75;
    box-shadow: 0px 10px 20px rgba(160, 150, 144, 0.4);
}

.tabs ul li.active>a {
    color: #fff;
}

.tabs.tab_bbs_cate ul li {
    width: calc(100% / 7 - 6px);
}

.tabs.tab_bbs_cate ul li a {
    padding: 15px 5px;
}

.tabs.tab_bbs_cate ul li.active {
    background: #ea723e;
}





@media all and (max-width:1400px) {

    /*header*/


    .header .head-menu .gnb .depth01 li .depth02 li a {
        font-size: 1rem;
    }

    .header .head-menu .gnb .depth01>li>a {
        padding: 0 1rem;
        font-size: 1rem;
    }

    /*common*/
    .container {
        padding: 0 .9375rem
    }

    .page-title {
        padding: 0 0.9375rem;
    }
}



@media all and (max-width: 1200px) {

    /*header*/

    .header .head-menu {
        padding: 0 1rem;
        max-width: 100%;
    }

    /* GNB 활성화 시 상위 엘리먼트들이 흰 여백 위로 노출되게 z-index 우선권 할당 */
    .header .head-menu h1.logo,
    .header .head-btn-wrap,
    .menu-bar {
        position: relative;
        z-index: 1001;
        /* GNB 화면 위로 노출 */
    }

    .header .head-menu h1 img {
        width: 7.8125rem;
    }

    /* 평소 모바일에선 보조메뉴(LNB)를 숨기되, GNB와 똑같이 우측 바깥 화면에 대기시킴 (슬라이드 애니메이션용) */
    .header .lnb {
        display: none !important;
        position: absolute;
        top: 5rem;
        /* 로고 블록 5rem 바로 아래부터 시작 */
        right: -100%;
        /* GNB와 똑같이 우측 바깥에 대기 */
        left: auto;
        width: 100%;
        background: #fff;
        z-index: 1001;
        padding: 0 0 1rem;
        border-bottom: .0625rem solid #eee;
        transition: right 0.3s ease;
        /* GNB와 똑같은 속도로 부드럽게 슬라이드 애니메이션 적용 */
    }

    .header .lnb .lnb-group {
        flex-direction: column;
        gap: .5rem;
        max-width: 100%;
    }

    .header .lnb .lnb-link {
        flex-wrap: wrap;
        justify-content: center;
        gap: .5rem 1rem;
    }

    .header .lnb .lnb-link a {
        color: #555;
        padding: .8rem 0;
    }

    /* 모바일 GNB 화면이 펴졌을 때(.gnb.active 상태) LNB 우측 패널도 화면 밖에서 똑같이 밀려들어옴! */
    .header:has(.gnb.active) {
        transform: none !important;
    }

    .header:has(.gnb.active) .lnb {
        display: block !important;
        right: 0;
    }

    .header .head-menu .gnb {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        /* 화면 100% 가로 길이 */
        height: 100vh;
        background: #fff;
        flex-direction: row;
        /* 세로가 아닌 좌우 배치 */
        align-items: stretch;
        /* 좌측 로고(5rem) + 중앙 LNB(약 6rem) = 총 11rem 패딩으로 화면을 밀어냄 */
        padding: 11rem 0 0 0;
        z-index: 1000;
        box-shadow: -0.125rem 0 .625rem rgba(0, 0, 0, 0.1);
        overflow: hidden;
        /* 영역 밖 스크롤 방지 */
    }

    .header .head-menu .gnb.active {
        display: flex !important;
    }

    .header .head-menu .gnb .depth01 {
        position: static !important;
        /* 자식 depth02가 전체 폭 기준 80%를 온전히 차지할 수 있도록 relative 해제 */
        flex-direction: column;
        width: 30%;
        /* 사용자 요청: 좌측 20% 지정 */
        height: 100%;
        background: #f4f4f4;
        overflow: visible !important;
        /* auto면 브라우저에 따라 absolute 자식이 감춰지거나 잘려버림 */
    }

    .header .head-menu .gnb .depth01>li {
        position: static !important;
        /* 데스크탑 전역의 relative 속성을 강제 해제! (안 그러면 우측 80% 패널이 왼쪽 탭 안에 갇혀서 안 보임) */
        width: 100%;
        text-align: center;
        border-bottom: .0625rem solid #ddd;
    }

    .header .head-menu .gnb .depth01>li>a {
        padding: 1.25rem .2rem;
        font-size: .95rem;
        /* 20% 폭에 맞추기 위해 약간 폰트 줄임 */
        height: auto;
        color: #555;
        display: block;
        word-break: keep-all;
        /* 단어 자동 줄바꿈 최적화 */
    }

    .header .head-menu .gnb .depth01>li.active {
        background: #fff;
        border-right: 1px solid #fff;
    }

    .header .head-menu .gnb .depth01>li.active>a {
        font-weight: 700;
        color: #f54b1e;
    }

    .header .head-menu .gnb .depth01>li>a:after {
        content: none;
        /* 기존 플러스 버튼 삭제 */
    }

    .header .head-menu .gnb .depth01 li .depth02 {
        position: absolute !important;
        top: 11rem;
        /* 확대된 패딩(로고+LNB) 11rem에 맞춰서 자식 패널 시작점 밀어냄 */
        right: 0 !important;
        left: auto !important;
        /* 데스크탑의 left:0 속성 잔재 강제 해제 */
        width: 70% !important;
        /* 사용자 요청: 우측에는 자식 패널 표출 (100-20=80%) */
        height: calc(100vh - 11.5rem);
        /* 11rem만큼 높이 삭감 */
        display: none;
        flex-direction: column;
        background: #fff;
        padding: 0;
        overflow-y: auto;
        /* 우측 내용 개별 스크롤 */
    }

    /* 탭이 활성화되면 우측 패널 엄청난 우선순위로 표시 (JS 인라인 충돌 방지) */
    .header .head-menu .gnb .depth01 li.active .depth02 {
        display: flex !important;
    }

    .header .head-menu .gnb .depth01 li .depth02 .title {
        display: none !important;
        /* 사용자 요청: 모바일에선 타이틀 숨김 */
    }

    .header .head-menu .gnb .depth01 li .depth02 ul {
        width: 100%;
        padding: 0;
        flex-direction: column;
        gap: 0;
    }

    /* 데스크탑 특정 선택자가 오버라이드 하는 현상 방지 및 레이아웃 재편 */
    .header .head-menu .gnb .depth01>li>.depth02>ul>li {
        width: 100% !important;
        border-bottom: 1px solid #f0f0f0;
        padding: 0;
    }

    .header .head-menu .gnb .depth01>li>.depth02>ul>li>a {
        padding: 1.21rem 1.5rem;
        font-size: 1rem;
        background: transparent;
        display: block !important;
        color: #333;
        position: relative;
        width: 100%;
    }

    /* depth03 아코디언 화살표 (글씨 옆이 아닌 가로폭 100% 박스 맨 우측에 고정) */
    .header .head-menu .gnb .depth01>li>.depth02>ul>li:has(.depth03)>a:after,
    .header .head-menu .gnb .depth01>li>.depth02>ul>li.has-depth03>a:after {
        content: '';
        position: absolute;
        right: 1.5rem;
        /* 우측에서 1.5rem 여백 띄운 채 고정 */
        top: 50%;
        /* 세로 중앙 배치 1 */
        width: .5rem;
        height: .5rem;
        border-right: .125rem solid #999;
        border-bottom: .125rem solid #999;
        transform: translateY(-50%) rotate(45deg);
        /* 세로 중앙 보정 + 아래 화살표 방향 v */
        transition: all 0.3s ease;
        margin: 0;
        transform-origin: center;
    }

    /* 클릭 시(아코디언이 열렸을 때) 화살표를 제자리에서 위로 회전시킴 ^ */
    .header .head-menu .gnb .depth01>li>.depth02>ul>li.active:has(.depth03)>a:after,
    .header .head-menu .gnb .depth01>li>.depth02>ul>li.active.has-depth03>a:after {
        transform: translateY(-50%) rotate(-135deg);
        /* 180도 회전하면서 세로 중앙 유지 */
        border-color: #f54b1e;
    }

    /* depth03 아코디언 패널 (기본 숨김) */
    .header .head-menu .gnb .depth01 li .depth02 li .depth03 {
        display: none;
        padding: 0 1rem;
        background: #fafafa;
        flex-direction: column;
        gap: 0 !important;
    }

    .header .head-menu .gnb .depth01 li .depth02 li .depth03 li {
        border: none;
    }

    .header .head-menu .gnb .depth01 li .depth02 li .depth03 li a {
        padding: .7rem 0 !important;
        font-size: .9rem;
        color: #666;
    }

    .header .head-menu .gnb .depth01 li .depth02 li .depth03 li a:hover {
        color: #555;
        text-decoration: none !important;
    }

    .header.sticky.down {
        transform: translateY(-100%);
        /* LNB 높이만큼 위로 밀어올림 */
    }

    /* gnb bottom - 모바일 */
    .gnb-bottom {
        position: static;
        transform: none;
        flex-direction: column;
        width: 100%;
        padding: 2rem 1.5rem;
        gap: 1rem;
        border-top: .0625rem solid #eee;
        margin-top: auto;
    }

    .header-sns {
        justify-content: center;
        gap: .625rem;
    }

    .header-btn {
        width: 100%;
        justify-content: center;
        padding: 1rem;
    }

    .menu-bg {
        display: none !important;
    }

    /* 모바일 메뉴 오버레이 */
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .mobile-overlay.active {
        display: block;
        opacity: 1;
    }

    /*popup*/
    .popup_slide {
        justify-content: normal;
    }

    /*footer*/
    .footer {
        padding: 3rem 1.5rem;
    }

    .footer-group {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .footer-group .logo {
        width: 100%;
        text-align: center;
    }

    .footer-group .info {
        width: 100%;
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-group .info dl {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .footer-group .contact-mail dd {
        flex-direction: column;
        gap: 0.25rem;
        margin-bottom: 1rem;
    }

    .footer-group .contact-mail dd span:first-child {
        width: auto;
    }

    .footer-group .contact-mail dd span:last-child::before {
        display: none;
    }

    .footer .copyright {
        margin-top: 3rem;
        text-align: center;
    }

    .footer-sns {
        justify-content: center;
        padding-top: 1.25rem;
    }

    .footer .link-site {
        display: flex;
        gap: .625rem;
    }

    .footer .link-site a {
        text-align: center;
        width: 50%;
    }

    .page-title p {
        font-size: 1.5rem;
        padding-bottom: 1rem;
    }

    .page-title h3 {
        font-size: 2.5rem;
        line-height: 1.2;
        letter-spacing: normal;
    }

    .page-title h3:before {
        margin-bottom: 1rem;
    }

    .sub_top {
        height: 30rem;
    }

    .sub_visual_wrap {
        height: 30rem;
    }

    .page-title {
        height: 100%;
    }

    .contents{
        padding: 3rem 0;
    }
}

@media all and (max-width: 767px) {

    /*header*/
    .header .head-menu h1 {
        left: .9375rem;
        width: 100%;
    }

    /*footer*/
    .footer .link-site {
        flex-direction: column;
        gap: 0;
    }

    .footer .link-site a {
        width: 100%;
    }
}

/* Swiper 관련 */
.popup_list .indicator>div.swiper-button-lock,
.popup_list .indicator>.swiper-pagination-lock {
    display: none !important;
}