@charset "UTF-8";

:root {
    --transition-fast: 0.25s ease;
    --transition-normal: 0.3s ease;
    --color-primary: #005bac;
    --color-primary-dark: #004080;
    --header-height: 80px;
    --banner-speed: 85s;
}

.wrap {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

@font-face {
    font-family: 'BookkMyungjo';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302@1.0/BookkMyungjo-Lt.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}

/* ================= 메인비주얼 섹션 ================= */
#mainvis,
.mainvis {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 750px;
    overflow: hidden;
    background-color: #1a2a3a;
    z-index: 1;
}

/* Background Video */
.videobx {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 25, 45, 0.6) 0%,
        rgba(10, 25, 45, 0.25) 40%,
        rgba(10, 25, 45, 0.55) 75%,
        rgba(10, 25, 45, 0.85) 100%
    );  
    z-index: 1;
    pointer-events: none;
}


/* main_261021_고도화때살릴것.css */
/* 메인 카피 영역 */
.herobx {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-subtitle {
    font-family: 'BookkMyungjo';
    font-size: 20px;
    letter-spacing: -1.2%;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
    margin: 0 0 12px 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}


/* main_261021_고도화때살릴것.css */
.hero-title {
    font-size: 96px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.8px;
    line-height: 1.15;
    margin: 0 0 10px 0;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
}

.hero-en-title {
    font-family: 'Poppins';
    font-size: 15px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 5px;
    margin: 0 0 28px 0;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Video Controller */
.video-controller-wrap {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
}

.progress-bar-container {
    width: 250px;
    height: 18px;
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.progress-track {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.25);
    /*border-radius: 4px;*/
    position: relative;
    overflow: visible;
    transition: height var(--transition-fast);
}

.progress-bar-container:hover .progress-track,
.progress-bar-container.dragging .progress-track {
    height: 6px;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #fff 0%, #ffffff 100%);
    border-radius: 0px;
    position: relative;
    pointer-events: none;
}

.video-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.video-play-toggle {
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.video-play-toggle:hover {
    transform: scale(1.15);
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -46%);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* 메인 비주얼 하단 도서 Swiper */
#mainvis .wrap {
    background-color: rgba(0, 0, 0, 0.4);
    position: absolute;
    z-index: 3;
    padding: 30px;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
}

.mySwiper { 
    width: 90%;
    height: 100%;
    color: #fff;
    position: relative;
}

.mySwiper .swiper-slide {
    border: 1px solid rgba(255, 255, 255, 0.15);
    /*border-radius: 4px;*/
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #111;
}

.swip_thumb {
    width: 100%;
    height: 254px;
    overflow: hidden;
    position: relative;
}

.swip_info {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 60%;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 20px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.swip_thumb:hover .swip_info {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.swip_tit {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
}

.swip_date {
    font-size: 12px;
    position: absolute;                                  
    bottom: 20px;
    color: #aaaaaa;
}

.mySwiper .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-button-next,
.swiper-button-prev {
    color: rgba(255, 255, 255, 0.5) !important;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    color: #ffffff !important;
}

/* ==========================================================================
    관련기관 연속 흐름 배너 슬라이드
   ========================================================================== */
#company,
.company {
    position: relative;
    width: 100%;
    background-color: #ffffff;
    padding: 24px 0;
    z-index: 10;
}

.banner_area {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 30px;
}

.banner_title_box {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    padding-right: 20px;
    border-right: 1px solid #eeeeee;
}

.banner_tit {
    font-size: 17px;
    font-weight: 700;
    color: #111111;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.banner_control {
    width: 26px;
    height: 26px;
    border: 1px solid #d4d4d4;
    background-color: #ffffff;
    /*border-radius: 4px;*/
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #666666;
    font-size: 11px;
    transition: all 0.2s ease;
}

.banner_control:hover {
    background-color: #f5f5f5;
    color: #111111;
    border-color: #999999;
}

/* Ticker Wrapper & Animation Track */
.bannerSwiper {
    flex: 1;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.bannerSwiper .swiper-wrapper {
    display: flex !important;
    align-items: center !important;
    width: max-content !important;
    animation: bannerContinuousScroll var(--banner-speed, 85s) linear infinite;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.bannerSwiper .swiper-wrapper.is_paused {
    animation-play-state: paused !important;
}

.bannerSwiper:hover .swiper-wrapper {
    animation-play-state: paused;
}

@keyframes bannerContinuousScroll {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

.bannerSwiper .swiper-slide {
    width: auto !important;
    flex-shrink: 0;
    border: none !important;
    background: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
}

.bannerSwiper .swiper-slide a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px;
}

.bannerSwiper .swiper-slide img {
    height: 45px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(10%);
    opacity: 0.9;
    transition: all 0.25s ease;
}

.bannerSwiper .swiper-slide a:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.06);
}

/* ==========================================================================
    3 커뮤니티 & 퀵메뉴 섹션
   ========================================================================== */
.community_sec {
    width: 100%;
    background-color: #ffffff;
    padding: 70px 0 90px;
}

.community_inner {
    display: flex;
    gap: 50px;
    align-items: stretch;
}

/* 좌측 게시판 */
.board_box {
    flex: 1;
    min-width: 0;
}

.board_badge {
    display: inline-block;
    color: #005bac;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.board_tit {
    font-size: 32px;
    font-weight: 800;
    color: #111111;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.board_tabs_wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.board_tabs {
    display: flex;
    overflow: hidden;
}

.tab_btn {
    border: 1px solid #e2e8f0;
    padding: 8px 22px;
    margin-right: 5px;
    font-size: 14px;
    font-weight: 500;
    color: #64748b;
    background-color: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab_btn:last-child {
    margin-right: 0;
}

.tab_btn.active {
    background-color: #F3F7FB;
    color: #0357A2;
    border: 1px solid rgba(3, 87, 162, 0.4);
    font-weight: 700;
}

.btn_more {
    width: 34px;
    height: 34px;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 13px;
    transition: all 0.2s ease;
}

.btn_more:hover {
    background-color: #f1f5f9;
    color: #005bac;
    border-color: #cbd5e1;
}


/* 탭 */
.board_content {
    display: none;
}

.board_content.active {
    display: block;
    animation: boardFadeIn 0.25s ease forwards;
}

@keyframes boardFadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.board_list {
    display: flex;
    flex-direction: column;
}

.board_list li {
    border-bottom: 1px solid #f1f5f9;
}

.board_list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 4px;
    transition: all 0.2s ease;
}

.board_list a:hover {
    padding-left: 10px;
}

.board_list .subject {
    font-size: 16px;
    font-weight: 600;
    color: #222222;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 20px;
    letter-spacing: -0.3px;
}

.board_list a:hover .subject {
    color: #79AC3F;
}

.board_list .date {
    font-size: 13px;
    color: #94a3b8;
    white-space: nowrap;
}



/* 우측 6개 퀵메뉴 그리드 */
.quick_grid {
    width: 680px;
    flex-shrink: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    border: 1px solid #dddddd;
    background-color: #f3f7fb;
}

.quick_item {
    height: 237px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    border-right: 1px solid #dddddd;
    border-bottom: 1px solid #dddddd;
    transition: all 0.25s ease;
}

.quick_item:nth-child(3n) {
    border-right: none;
}

.quick_item:nth-child(n+4) {
    border-bottom: none;
}

.quick_item:hover {
    background-color: #ffffff;
    box-shadow: inset 0 0 0 2px #005bac;
}

.quick_icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: transform 0.25s ease;
}

.quick_icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.quick_item:hover .quick_icon {
    transform: translateY(-4px) scale(1.08);
}

.quick_name {
    font-size: 1.1em;
    font-weight: 700;
    color: #222222;
    letter-spacing: -0.5px;
}

/* ==========================================================================
    연구소 발간도서 섹션 - 패럴렉스 배경
   ========================================================================== */
.publication_sec {
    position: relative;
    width: 100%;
    padding: 100px 0 110px;
    background-image: url('/images/main/sec4_bg.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    overflow: hidden;
    color: #ffffff;
}

.publication_sec::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(
        90deg,
        rgba(10, 25, 45, 0.8) 0%,
        rgba(10, 25, 45, 0.6) 45%,
        rgba(10, 25, 45, 0.35) 100%
    );
    z-index: 1;
}

.publication_sec .wrap {
    position: relative;
    z-index: 2;
}

.pub_inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.pub_left {
    width: 340px;
    flex-shrink: 0;
}

.pub_subtit {
    display: inline-block;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.pub_tit {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -1px;
    margin-bottom: 24px;
    color: #fff;
}

.pub_more_btn {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    /*border-radius: 4px;*/
    font-size: 14px;
    color: #ffffff;
    transition: all 0.25s ease;
    margin-bottom: 40px;
}

.pub_more_btn:hover {
    background-color: #ffffff;
    color: #111111;
    border-color: #ffffff;
}

.pub_nav_btns {
    display: flex;
    gap: 12px;
}

.pub_btn_prev,
.pub_btn_next {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.25s ease;
}

.pub_right {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.pubSwiper {
    width: 100%;
    padding: 10px 0;
}

.pub_slide {
    width: 250px;
    flex-shrink: 0;
}

.pub_card_thumb {
    position: relative;
    width: 100%;
    height: 360px;
    /*border-radius: px;*/
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pub_card_thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pub_card_overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(0, 0, 0, 0.1) 40%,
        rgba(0, 0, 0, 0.6) 100%
    );
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 50px;
    transition: background 0.3s ease;
}

.pub_card_tit {
    font-size: 1.2em;
    font-weight: 400;
    color: #ffffff;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.pub_slide a:hover .pub_card_thumb {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}

.pub_slide a:hover .pub_card_thumb img {
    transform: scale(1.08);
}

/* ==========================================================================
    충북학연구 섹션
   ========================================================================== */
.research {
    position: relative;
    width: 100%;
    padding: 95px 0 110px;
    background: url('/images/main/sec6_bg.jpg') center center / cover no-repeat;
    color: #ffffff;
    text-align: center;
}

.research_main_tit {
    font-size: 34px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.8px;
    margin-bottom: 48px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.research_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.research_card {
    height: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    background-color: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    text-decoration: none;
    color: #ffffff;
    min-height: 280px;
}

.research_card:hover {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-8px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.research_icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.research_icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
}

.research_card:hover .research_icon {
    transform: translateY(-4px) scale(1.1);
}

.research_card_tit {
    font-size: 1.4em;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.4px;
    margin-bottom: 12px;
}

.research_card_desc {
    font-size: 1.0em;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.55;
    letter-spacing: -0.3px;
}

/* ==========================================================================
    5 새로운 소식 섹션
   ========================================================================== */
.news_sec {
    width: 100%;
    background-color: #F3F7FB;
    padding: 80px 0 100px;
}

.news_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.news_main_tit {
    font-size: 30px;
    font-weight: 800;
    color: #111111;
    letter-spacing: -1px;
}

.newsSwiper {
    width: 100%;
    padding-bottom: 40px;
}

.news_slide {
    height: auto;
}

.news_card {
    display: flex;
    background-color: #ffffff;
    border: 1px solid #eef2f6;
    /*border-radius: px;*/
    overflow: hidden;
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.news_card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
}

.news_thumb {
    width: 48%;
    height: 190px;
    flex-shrink: 0;
    overflow: hidden;
}

.news_thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news_card:hover .news_thumb img {
    transform: scale(1.06);
}

.news_info {
    flex: 1;
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news_tag {
    display: inline-block;
    align-self: flex-start;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 600;
    color: #2E966E;
    border: 1px solid #2E966E;
    margin-bottom: 12px;
}

.news_tit {
    font-size: 16px;
    font-weight: 700;
    color: #222222;
    line-height: 1.45;
    letter-spacing: -0.4px;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_card:hover .news_tit {
    color: #2E966E;
}

.news_date {
    font-size: 13px;
    color: #94a3b8;
}

.news-scrollbar {
    margin-top: 25px;
    height: 4px !important;
    background: #e2e8f0 !important;
    border-radius: 2px !important;
    position: relative !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
}

.news-scrollbar .swiper-scrollbar-drag {
    background: #334155 !important;
    border-radius: 2px !important;
}

/* ==========================================================================
    반응형 미디어쿼리 (Responsive Media Queries)
    - 데스크톱 (Desktop): 1024px 이상 (기본)
    - 태블릿 (Tablet): 768px ~ 1023px
    - 모바일 (Mobile): 0px ~ 767px
   ========================================================================== */

/* 태블릿 (768px ~ 1023px) */
@media (max-width: 1023px) {
    #mainvis,
    .mainvis {
        height: 100vh;
        /* min-height: 680px; */
        padding: 120px 0 40px;
    }

    .herobx {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        margin-bottom: 40px;
        padding: 0 20px;
    }

    .hero-subtitle {
        font-size: 1em;
    }

    .hero-title {
        font-size: 3em;
    }

    .hero-en-title {
        font-size: 0.8em;
        letter-spacing: 3px;
        margin-bottom: 22px;
    }

    #mainvis .wrap {
        height: auto;
        position: absolute;
        left: auto;
        transform: none;
        bottom: 0;
        width: 100%;
        /* max-width: 720px; */
        margin: 0 auto;
        /*border-radius: px;*/
        padding: 30px;
    }

    .mySwiper {
        width: 100%;
    }
    .swip_thumb img{
        width: 100% !important;
    }

    .company {
        padding: 20px 0;
    }

    .banner_area {
        gap: 20px;
    }

    .community_sec {
        padding: 60px 0 75px;
    }

    .community_inner {
        flex-direction: column;
        gap: 40px;
    }

    .quick_grid {
        width: 100%;
    }

    .board_tit {
        font-size: 28px;
    }

    .publication_sec {
        padding: 70px 0 80px;
        background-attachment: scroll;
    }

    .pub_inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 36px;
    }

    .pub_left {
        width: 100%;
        text-align: center;
    }

    .pub_tit {
        font-size: 2.0em;
        text-align: center;
    }

    .pub_right {
        width: 100%;
    }
    .pub_nav_btns{
        justify-content: center;
    }

    .research_sec {
        padding: 70px 0 80px;
    }

    .research_main_tit {
        font-size: 2em;
        margin-bottom: 36px;
    }

    .research_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .research_card {
        height: 280px;
        min-height: 240px;
    }

    .news_sec {
        padding: 60px 0 80px;
    }

    .news_main_tit {
        font-size: 26px;
    }
}







/* 모바일 (0px ~ 767px) */
@media (max-width: 767px) {
    .wrap {
        padding: 0 16px;
    }

    /* 1. 메인비주얼 */
    #mainvis,
    .mainvis {
        height: 100vh;
        /* min-height: 520px; */
        padding: 90px 0 25px;
    }

    .herobx {
        position: absolute;
        top: 45%;
        left: 50%;
        transform: translate(-50%,-50%);
        margin-bottom: 25px;
        padding: 0 10px;
    }

    .hero-subtitle {
        font-size: 0.9em;
        margin-bottom: 8px;
    }

    .hero-title {
        font-size: 3em;
        line-height: 1.25;
        margin-bottom: 6px;
    }

    .hero-en-title {
        font-size: 0.7em;
        letter-spacing: 2px;
        margin-bottom: 16px;
    }

    .video-controller-wrap {
        gap: 10px;
        padding: 4px;
    }

    .progress-bar-container {
        width: 150px;
        height: 16px;
    }

    #mainvis .wrap {
        height: auto;
        position: absolute;
        left: auto;
        transform: none;
        bottom: 0;
        width: 100%;
        max-width: 720px;
        margin: 0 auto;
        /*border-radius: px;*/
        padding: 30px;
        background-color: rgba(0, 0, 0, 0.55);
    }

    .mySwiper {
        width: 100%;
    }

    .swip_thumb {
        height: 190px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        display: none !important;
    }

    /* 2. 관련기관 배너 */
    .company {
        padding: 16px 0;
    }

    .banner_area {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .banner_title_box {
        width: 100%;
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 8px;
        justify-content: space-between;
    }

    .banner_tit {
        font-size: 15px;
    }

    .bannerSwiper .swiper-slide {
        padding: 0 12px;
    }

    .bannerSwiper .swiper-slide img {
        height: 28px;
    }

    /* 3. 커뮤니티 & 6개 퀵메뉴 */
    .community_sec {
        padding: 45px 0 55px;
    }

    .community_inner {
        flex-direction: column;
        gap: 32px;
    }

    .board_badge {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .board_tit {
        font-size: 22px;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }

    .board_tabs_wrap {
        margin-bottom: 12px;
    }

    .tab_btn {
        padding: 6px 14px;
        font-size: 13px;
        margin-right: 4px;
    }

    .btn_more {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }

    .board_list a {
        padding: 13px 2px;
    }

    .board_list a:hover {
        padding-left: 4px;
    }

    .board_list .subject {
        font-size: 14px;
        padding-right: 12px;
    }

    .board_list .date {
        font-size: 12px;
    }

    /* 6개 퀵메뉴 모바일 2열x3행 */
    .quick_grid {
        width: 100%;
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 1fr);
    }

    .quick_item {
        padding: 20px 10px;
        border-right: 1px solid #edf2f7;
        border-bottom: 1px solid #edf2f7;
    }

    .quick_item:nth-child(3n) {
        border-right: 1px solid #edf2f7;
    }

    .quick_item:nth-child(2n) {
        border-right: none;
    }

    .quick_item:nth-child(n+4) {
        border-bottom: 1px solid #edf2f7;
    }

    .quick_item:nth-child(n+5) {
        border-bottom: none;
    }

    .quick_icon {
        width: 75px;
        height: 75px;
        margin-bottom: 8px;
    }

    .quick_name {
        font-size: 0.8em;
    }

    /* 4. 연구소 발간도서 */
    .publication_sec {
        padding: 50px 0 60px;
        background-attachment: scroll;
    }

    .pub_inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }

    .pub_left {
        width: 100%;
    }

    .pub_subtit {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .pub_tit {
        font-size: 1.7em;
        line-height: 1.35;
        margin-bottom: 16px;
    }

    .pub_more_btn {
        padding: 6px 18px;
        font-size: 13px;
        margin-bottom: 20px;
    }

    .pub_nav_btns {
        gap: 8px;
    }

    .pub_btn_prev,
    .pub_btn_next {
        width: 38px;
        height: 38px;
        font-size: 13px;
    }

    .pub_slide {
        width: 190px;
    }

    .pub_card_thumb {
        height: 300px;
    }

    .pub_card_tit {
        font-size: 1.3em;
    }

    /* 5. 충북학연구 */
    .research_sec {
        padding: 50px 0 60px;
    }

    .research_main_tit {
        font-size: 22px;
        margin-bottom: 28px;
    }

    .research_grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 14px;
    }

    .research_card {
        height: auto;
        min-height: 160px;
        padding: 26px 16px;
    }

    .research_icon {
        width: 52px;
        height: 52px;
        margin-bottom: 12px;
    }

    .research_card_tit {
        font-size: 17px;
        margin-bottom: 6px;
    }

    .research_card_desc {
        font-size: 13px;
    }

    /* 6. 새로운 소식 */
    .news_sec {
        padding: 50px 0 60px;
    }

    .news_header {
        margin-bottom: 20px;
    }

    .news_main_tit {
        font-size: 22px;
    }

    .news_card {
        flex-direction: column;
    }

    .news_thumb {
        width: 100%;
        height: 160px;
    }

    .news_info {
        padding: 16px 14px;
    }

    .news_tit {
        font-size: 14px;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .news_date {
        font-size: 12px;
    }

    .news-scrollbar {
        margin-top: 18px;
    }
}