main .rb-content {
}
article {
    margin: 0 6rem;
    padding-bottom: 3rem;
}
article h3 {
    font-size: 1.6rem;
    font-weight: normal;
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3열 동일 너비 */
    gap: 1rem;                           /* 아이템 간격 */
    margin-bottom: 3rem;
}

#bo_cate { text-align: center; }
ul.rb-category {
    display: inline-flex;          /* 가로 배치 */
    border: 1px solid #ececec;        /* 전체 테두리 */
    border-radius: 6px;           /* 둥근 모서리 */
    overflow: hidden;              /* border-radius 안쪽 li 잘리게 */
    padding: 0;
    margin: 0 auto;
    list-style: none;
}
ul.rb-category li {
    list-style: none;
    display: inline-block;
    border-right: 1px solid #ececec;
}
ul.rb-category li:last-child {
    border-right: none;            /* 마지막 li는 오른쪽선 제거 */
}

ul.rb-category li a#bo_cate_on {
    background: #3fa9f5;           /* 파란 배경 */
    color: #fff;
}
ul.rb-category li a {
    display: inline-block;
    font-size: 0.8rem;
    color: #999;
    padding: 8px 15px;
    letter-spacing: 0;
}

ul.rb-category li a#bo_cate_on {
    background: #3fa9f5;    
    color: #FFF;
}
ul.rb-category li a span.sound_only {
    display: none;
}

.gallery-list .gallery-item {
    min-width: 0; /* 필요 시 유지 */
    /* flex-basis 대신 그리드 셀 크기에 맞게 자동 조절 */
}
.gallery-list .gallery-item figure {
    width: 100%;
}
.gallery-list .gallery-item figure span.no_image {
    width: 100%;
    height: 190px;
    display: inline-block;
    background-color: #FFF;
    color: #666;
    text-align: center;
    font-size: 0.8rem;
    line-height: 190px;
}
.gallery-list .gallery-item figure img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
.gallery-list .gallery-item figure figcaption {
    min-height: 70px;
}
.gallery-list .gallery-item figure figcaption h4 {
    padding-top: 1rem;
    color: #666;
    text-align: center;
    font-size: 0.8rem;
    font-weight: normal;
    background-color: #eff5f7;
}
.gallery-list .gallery-item figure figcaption h5 {
    padding: 0.5rem 0 1rem 0;
    color: #a5b1b9;
    text-align: center;
    font-size: 0.8rem;
    font-weight: normal;
    background-color: #eff5f7;
    min-height: 39px;
}

.btn-board-top {
    width: 100%;
    text-align: right;
    margin: 1rem 0;
}
.btn-write {
    background-color: #3cafff;
    color: #FFF;
    padding: 0.8rem 3.5rem;
    font-size: 0.9rem;
    display: inline-block;
}

.btn-list-admin {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-bottom: 1rem;
}
.btn-list-admin li label {
    font-size: 0.9rem;
    color: #666;
}
.btn-list-admin button {
    border: 1px solid #EEE;
    cursor: pointer;
    padding: 4px 10px;
    background-color: #EFEFEF;
    font-size: 0.9rem;
    color: #666;
}

.rb-search {
    border: none;
    text-align: center;
    margin: 2rem 0 4rem 0;
}

.rb-search select, .rb-search input {
    border: 1px solid #EEE;
    padding: 4px 10px;
    color: #666;
    font-size: 0.9rem;
    min-height: 28px;
}
.rb-search button {
    border: 1px solid #EEE;
    padding: 4px 10px;
    color: #666;
    font-size: 0.9rem;
    min-height: 28px;
}
.gallery-list-latest .sch_word
, .gallery-list .sch_word {
    font-size: inherit;
    background-color: yellow;
    font-weight: bold;
}


main .rb-content {
    padding-bottom: 0;
}
.btn-prev-next {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #cccccc;
    width: 95%;
    max-width: 600px;
    margin: 2rem auto 3rem auto;
    padding: 0.4rem 0;
}
.btn-prev-next img { 
    width: 24px; 
    height: 24px;
}

article.gallery-view {
    margin: 0 6rem;
}
article.gallery-view h3 {
    font-size: 1.4rem;
    font-weight: normal;
    display: inline-block;
    margin-bottom: 2rem;
}
article.gallery-view p {
    font-size: 0.9rem;
    line-height: 1.6;
    display: inline-block;
}
article.gallery-view .slick-slider {
    width: 100%;
    margin: 0 auto;
}
article.gallery-view .slick-slider img {
    display: block;
    width: auto;        /* ← 업스케일 방지 (원본 크기 유지) */
    max-width: 100%;    /* ← 컨테이너가 더 좁으면 그 안으로 축소 */
    height: auto;       /* 비율 유지 */
}
article.gallery-view .youtube-view {
    position: relative;
    width: 100%;
    max-width: 960px;
    padding-bottom: 56.25%; /* 16:9 비율 (360/640 = 0.5625) */
    height: 0;
    margin: 0 auto;
}
article.gallery-view .youtube-view iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
article.gallery-view .info-view {
    margin: 2rem auto;
    display: flex;
    align-items: top;
    width: 100%;
    max-width: 960px;
    gap: 3rem;
    
}
article.gallery-view .info-view h4 {
    font-size: 0.9rem;
    font-weight: bold;
    color: #101e28;
    margin-bottom: 1rem;
}
article.gallery-view .info-view .description {
    flex-basis: 50%;
}
article.gallery-view .info-view .description .desc {
    font-size: 0.8rem;
    line-height: 1.6;
    color: #666;
    margin-bottom: 2rem;
}
article.gallery-view .info-view .details {
    flex-basis: 50%;
}
article.gallery-view .info-view .details .item {
    display: flex;
    align-items: top;
    margin-bottom: 1rem;
}
article.gallery-view .info-view .details .item h5 {
    font-size: 0.9rem;
    font-weight: normal;
    color: #a9b8c2;
    flex-basis: 70px;
    line-height: 1.6;
}
article.gallery-view .slick-slider {
    width: 100%;
    margin: 0 auto;
}
article.gallery-view .slick-slider img {
    display: block;
    width: auto;        /* ← 업스케일 방지 (원본 크기 유지) */
    max-width: 100%;    /* ← 컨테이너가 더 좁으면 그 안으로 축소 */
    height: auto;       /* 비율 유지 */
}
article.gallery-view .btns {
    margin: 2rem 0;
    text-align: right;
}
article.gallery-view .btns a {
    background-color: #3cafff;
    color: #FFF;
    padding: 0.8rem 3.5rem;
    font-size: 0.9rem;
}

article.gallery-view .btn-list-nav {
    text-align: right;
}
article.gallery-view .btn-list-prev
, article.gallery-view .btn-list-next {
    border: none;
    background-color: transparent;
    cursor: pointer;
    width: 30px;
    height: 30px;
}
article.gallery-view .btn-list-prev img
, article.gallery-view .btn-list-next img {
    width: 100%;
    height: 100%;
}
article.gallery-view .btns .btn-list {
}

article.gallery-view .gallery-view-list {
    padding-top: 2rem;
    margin-bottom: 3rem;
    border-top: 1px solid #cccccc;
}
article.gallery-view .gallery-view-list .gallery-item {
    min-width: 0; /* 필요 시 유지 */
    margin: 0 5px;
    /* flex-basis 대신 그리드 셀 크기에 맞게 자동 조절 */
}
article.gallery-view .gallery-view-list .gallery-item figure {
    width: 100%;
}
article.gallery-view .gallery-view-list .gallery-item figure span.no_image {
    width: 100%;
    height: 190px;
    display: inline-block;
    background-color: #FFF;
    color: #666;
    text-align: center;
    font-size: 0.8rem;
    line-height: 190px;
}
article.gallery-view .gallery-view-list .gallery-item figure img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
article.gallery-view .gallery-view-list .gallery-item figure figcaption {
    min-height: 70px;
}

article.gallery-view .gallery-view-list .gallery-item figure figcaption h4 {
    padding-top: 1rem;
    color: #666;
    text-align: center;
    font-size: 0.8rem;
    font-weight: normal;
    background-color: #eff5f7;
}
article.gallery-view .gallery-view-list .gallery-item figure figcaption h5 {
    padding: 0.5rem 0 1rem 0;
    color: #a5b1b9;
    text-align: center;
    font-size: 0.8rem;
    font-weight: normal;
    background-color: #eff5f7;
    min-height: 39px;
}


@media (max-width: 1000px) {
    .gallery-list {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    article {
        margin: 0 3rem;
    }
    article.gallery-view {
        margin: 0 3rem;
    }
    .gallery-list-latest {
        display: block; 
    }
    .gallery-list-latest .content .btn { 
        margin-top: 0.5rem;
    }
    .gallery-list {
        grid-template-columns: repeat(1, 1fr);
    }
    article.gallery-view h3 {
        margin-bottom: 1rem;
        display: block;
    }
    article.gallery-view h3.title {
        text-align: left;
    }
    article.gallery-view h3.lg {
        display: none;
    }
    article.gallery-view .btns a {
        padding: 0.8rem 1rem;
    }
    article.gallery-view .gallery-list {
        display: none;
    }
    article.gallery-view .info-view {
        display: block;
    }
}