/* category */

#bo_category .nav {
    display: flex;
    border: 1px solid #E5E7EB;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 14px;
    margin: 5px 0 0;
    padding: 4px 10px 4px;
    border-radius: 999px;
}

#bo_category .nav-item .nav-link {
    /* min-width: 120px; */
    padding: 8px 10px !important;
    /* background-color: #F1F1F1; */
    border-radius: 999px;
    font-size: 14px;
    text-align: center;
}

#bo_category .nav-item .nav-link.active {
    background-color: #4478CE;
    font-weight: 500 !important;
    color: #fff;
}

/* */

#bo_list.line-top {
    border-top: 1px solid #ccc !important;
}

/* 공통 */

h3.fs-3 {
    color: var(--bs-primary);
    line-height: 1.5;
    letter-spacing: -0.9px;
}

#ctt_con p {
    font-size: 16px;
    color: #4B5563;
    line-height: 1.7;
}

#ctt_con .table thead th {
    /* border-top: 1px solid #64D0CB; */
    background-color: #F4F4F4;
    color: #333;
}

#ctt_con .table th,
#ctt_con .table td {
    padding: 14px .5rem;
    vertical-align: middle;
}

#ctt_con .table tbody th,
#ctt_con .table td {
    font-size: 14px;
}


#ctt_con .list-group li {
    position: relative;
    padding: 2px 0 2px 25px;
    color: #666666;
}

#ctt_con .list-group li .dot-prefix {
    content: '◦';
    position: absolute;
    display: block;
    top: 2px;
    left: 7px;
    color: #0056B3;
}

#ctt_con .list-group li .dot-prefix2 {
    content: '◦';
    position: absolute;
    display: block;
    top: 2px;
    left: 13px;
    color: #5d5d5d;
}

#ctt_con .list-group li ul li {
    padding: 2px 0 2px 20px;
}

#ctt_con .list-group li ul li .dot-prefix {
    content: '◦';
    position: absolute;
    display: block;
    top: 2px;
    left: 5px;
    color: #333;
}


.line-bottom {
    border-bottom: 1px solid #E5E7EB !important;
}

.site-footer-wrap .line-bottom {
    border-bottom: 1px solid #374151 !important;
}

/* 서브 비주얼 */

.sub-visual {
    position: relative;
    overflow: hidden;
    height: 350px;
}

.sub-visual .bg {
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    opacity: 1;
    transform: scale(1.3);
}

.sub-visual.active .bg {
    opacity: 1;
    transform: scale(1) rotate(0.01deg);
    transition: transform 5s ease .3s, opacity 2s ease 1s;
}

.sub-visual._intro .bg {
    background-image: url(../img/page/visual_1.jpg);
}

.sub-visual._society .bg {
    background-image: url(../img/page/visual_2.jpg);
}

.sub-visual._committee .bg {
    background-image: url(../img/page/visual_3.jpg);
}

.sub-visual._reference .bg {
    background-image: url(../img/page/visual_4.jpg);
}

.sub-visual._board .bg {
    background-image: url(../img/page/visual_5.jpg);
}

.sub-visual._member .bg {
    background-image: url(../img/page/visual_6.jpg);
}

.nav-online {
    display: none !important;
}

.inner {
    width: 1240px;
    margin: 0 auto;
}

.sub-visual .txt {
    opacity: 0;
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    color: #fff;
    text-align: center;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}

.sub-visual.active .txt {
    -webkit-mask-image: linear-gradient(-70deg, rgba(0, 0, 0, 0) 47.5%, rgba(0, 0, 0, 1) 52.5%);
    -webkit-mask-size: 250% 100%;
    animation: reveal 7s cubic-bezier(0.230, 1.000, 0.320, 1.000) both;
}

@keyframes reveal {
    0% {
        -webkit-mask-position: 100% 0;
        opacity: 0;
    }

    100% {
        -webkit-mask-position: 0 0;
        opacity: 1;
    }
}

.sub-visual h2 {
    font-size: 36px !important;
    font-weight: 600;
}

/* 설립 목적 및 비전 */

.grid-wrap {
    padding: 40px;
    background-color: #F9FAFB;
    border-radius: 16px;
}

.ctt_history .section._1 .grid .g-col-12 {
    position: relative;
    background: #1976d2;
    padding: 24px;
    text-align: center;
    border-radius: 22px;
}

.ctt_history .section._1 .grid .g-col-12::before {
    content: "";
    position: absolute;
    top: 2%;
    left: 0;
    width: 100%;
    height: 99%;
    background-color: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}


.ctt_history .section._1 .grid .g-col-lg-12 {
    position: relative;
    background: #1976d2;
    padding: 24px;
    text-align: center;
    border-radius: 22px;
}

.ctt_history .section._1 .grid .g-col-lg-12::before {
    content: "";
    position: absolute;
    top: 2%;
    left: 0;
    width: 100%;
    height: 99%;
    background-color: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.ctt_history .section._2 .grid .g-col-lg-6 {
    position: relative;
    background: #fff;
    height: 230px;
    padding: 24px;
    text-align: center;
    border-radius: 22px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

#ctt_con .fs-5 {
    font-size: 18px !important;
}

/* 히스토리 */

.history_top {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: #00247d;
    font-size: 1.5em;
    text-align: center;
    color: #fff;
    border-radius: 999px;
}

.timeline {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 100%;
    margin: 50px auto;
    font-size: 1em;
}

.timeline .timeline-icon {
    position: absolute;
    width: 18px;
    height: 18px;
    left: 50%;
    margin-top: 10px;
    margin-left: -9px;
    border: 3px solid rgba(0, 36, 125, 1); /* 테두리만 흐리게 */
    border-radius: 100%;
    background-color: #fff; /* 배경은 완전 불투명한 흰색 */
    text-align: center;
}

.timeline .timeline-icon.timeline-icon-hide-border {
    border: 0;
}

.timeline .timeline-icon.timeline-icon-hide-border i[class~=fa] {
    margin-left: 0;
    margin-top: 0;
}

.timeline .timeline-icon.timeline-icon-hide-border img {
    margin-left: 0;
    margin-top: 0;
}

.timeline .timeline-icon i[class~=fa] {
    display: inline-block;
    width: 32px;
    height: 32px;
    margin-left: -4px;
    margin-top: -4px;
    vertical-align: bottom;
    line-height: 32px;
    text-align: center;
    font-size: 30px;
}

.timeline .timeline-icon img {
    display: inline-block;
    width: 32px;
    height: 32px;
    margin-left: -4px;
    margin-top: -4px;
    vertical-align: bottom;
    line-height: 32px;
    text-align: center;
    font-size: 30px;
}

.timeline .timeline-icon img {
    border-radius: 100%;
}

.timeline .timeline-content {
    position: relative;
    width: 42%;
    padding: 20px;
    border: 1px solid #E5E7EB;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-radius: 16px;
}

.timeline .timeline-content .bar_count {
    margin-bottom: 10px;
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #0056B3 !important;
}

.timeline .timeline-content ul li {
    font-size: 1.1em;
}

.timeline .timeline-content ul li span {
    font-size: 0.9em;
    color: #666;
}

.timeline .timeline-content ul li.bottom {
    overflow: hidden;
    width: 100%;
    height: 200px;
    margin-top: 50px;
}

.timeline .timeline-content ul li.bottom img {
    overflow: hidden;
    border-radius: 10px;
}

.timeline::before {
    position: absolute;
    width: 1px;
    height: 100%;
    top: 10px;
    left: 50%;
    margin-left: -1px;
    background-color: #eee;
    content: ""
}

.timeline.timeline-alternating .timeline-block:nth-of-type(2n + 1) .timeline-content {
    /* text-align: right */
}

.timeline.timeline-alternating:not([class~=timeline-left]) [class~=timeline-block]:nth-of-type(2n) [class~=timeline-content] {
    left: 58%
}

/* 찾아오시는 길 */

.ctt_way ._1 iframe {
    width: 100%;
    height: 500px;
}

.ctt_way .list-unstyled li {
    position: relative;
    margin: 0 0 10px;
    padding: 1px 0 1px 34px;
    color: #666666;
}

.ctt_way .dot-prefix {
    content: '';
    position: absolute;
    top: 0px;
    left: 7px;
    border-radius: 10px;
}

/* 회원가입안내 */

.ctt_guide .section._1 .grid .g-col-lg-4 {
    position: relative;
    background: #fff;
    padding: 24px;
    text-align: center;
    border-radius: 22px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.ctt_guide .section._3 .grid .g-col-lg-6 {
    position: relative;
    background: #fff;
    padding: 24px;
    text-align: center;
    border-radius: 22px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* 회원관리규정 */