body {
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

/* 전체 컨테이너: max-width를 1280으로 제한하고 가운데 정렬 */
#divContainer.clsContainer {
    width: 100%;
    height: auto;
    max-width: 1280px;
    margin: 0 auto;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05), 0 0 6px rgba(0, 0, 0, 0.03);
    background-color: #ffffff;
    border-radius: 8px;
}

/*****************************************
divMain 콘텐츠 CSS
 *****************************************/


/*****************************************
 * 섹션1 스타일
 *****************************************/
#divSection1.clsSection.clsCoreTalkingSection1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 20px;
    margin: 0 auto;
    max-width: 1000px;
}

/* 이미지 그리드 스타일 */
.clsCoreTalkingImagesGrid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
    margin-bottom: 60px;
}

.clsCoreTalkingImageRow {
    display: flex;
    gap: 25px;
    width: 100%;
}

.clsCoreTalkingImageItem {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

/* 첫 번째 행 스타일 조정 */
.clsCoreTalkingImageRow:first-child {
    justify-content: space-between;
}

    .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:first-child {
        flex: 1;
        width: 48%;
        height: 200px;
    }

    .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:last-child {
        flex: 1;
        width: 48%;
        height: 200px;
    }

/* 두 번째 행 스타일 조정 */
.clsCoreTalkingImageRow:last-child {
    justify-content: space-between;
}

    .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:first-child {
        flex: 0.8;
        width: 38%;
        height: 180px;
    }

    .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:last-child {
        flex: 1.2;
        width: 58%;
        height: 180px;
    }

/* 타이틀 영역 스타일 */
.clsCoreTalkingTitleArea {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.clsCoreTalkingSmallTitle {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.5;
}

.clsCoreTalkingLargeTitle {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

/* 섹션1의 반응형 스타일 */
@media (max-width: 1024px) and (min-width: 768px) {
    #divSection1.clsSection.clsCoreTalkingSection1 {
        padding: 60px 20px;
    }

    .clsCoreTalkingImagesGrid {
        gap: 20px;
        margin-bottom: 50px;
    }

    .clsCoreTalkingImageRow {
        gap: 20px;
    }

        /* 첫 번째 행 태블릿 조정 */
        .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:first-child {
            height: 180px;
        }

        .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:last-child {
            height: 180px;
        }

        /* 두 번째 행 태블릿 조정 */
        .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:first-child {
            height: 160px;
        }

        .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:last-child {
            height: 160px;
        }

    .clsCoreTalkingSmallTitle {
        font-size: 15px;
    }

    .clsCoreTalkingLargeTitle {
        font-size: 28px;
    }
}


@media (max-width: 767px) {
    #divSection1.clsSection.clsCoreTalkingSection1 {
        padding: 40px 15px;
    }

    .clsCoreTalkingImagesGrid {
        gap: 15px;
        margin-bottom: 40px;
    }

    .clsCoreTalkingImageRow {
        gap: 15px;
    }

        /* 모바일 크기 조정 */
        .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:first-child,
        .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:last-child {
            height: 130px;
        }

        .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:first-child {
            height: 120px;
        }

        .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:last-child {
            height: 120px;
        }

    .clsCoreTalkingSmallTitle {
        font-size: 14px;
    }

    .clsCoreTalkingLargeTitle {
        font-size: 24px;
    }
}

/* 작은 모바일 화면 */
@media (max-width: 480px) {
    .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:first-child,
    .clsCoreTalkingImageRow:first-child .clsCoreTalkingImageItem:last-child {
        height: 100px;
    }

    .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:first-child {
        height: 90px;
    }

    .clsCoreTalkingImageRow:last-child .clsCoreTalkingImageItem:last-child {
        height: 90px;
    }
}



/*****************************************
 * 섹션2 스타일
 *****************************************/
#divSection2.clsSection.clsCoreTalkingSection2 {
    background-color: #021500;
    color: white;
    padding: 80px 0; /* 좌우 패딩을 0으로 변경 */
}

/* 섹션 헤더 스타일 */
.clsCoreTalkingSection2Header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.clsCoreTalkingSection2SubTitle {
    font-size: 16px;
    color: #cccccc;
    margin-bottom: 10px;
}

.clsCoreTalkingSection2Title {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

    .clsCoreTalkingSection2Title .clsHighlight {
        color: #4CD964;
    }

/* 콘텐츠 영역 스타일 */
.clsCoreTalkingSection2Content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 60px;
    padding: 0 20px; /* 좌우 패딩을 여기에 적용 */
}

.clsCoreTalkingSection2Row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

/* 텍스트 블록 스타일 */
.clsCoreTalkingSection2TextBlock {
    flex: 1;
    max-width: 450px;
}

.clsCoreTalkingSection2FeatureTitle {
    font-size: 24px;
    font-weight: 700;
    color: #4CD964;
    margin: 0 0 15px 0;
}

.clsCoreTalkingSection2FeatureDesc {
    font-size: 18px;
    margin: 0 0 20px 0;
    color: #ffffff;
}

.clsCoreTalkingSection2Tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.clsCoreTalkingSection2Tag {
    font-size: 14px;
    color: #aaaaaa;
}

/* 이미지 블록 스타일 */
.clsCoreTalkingSection2ImageBlock {
    flex: 1;
    max-width: 450px;
}

    .clsCoreTalkingSection2ImageBlock img {
        width: 100%;
        height: auto;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

/* 섹션2의 반응형 스타일 */
@media screen and (max-width: 1024px) {
    .clsCoreTalkingSection2Header {
        margin-bottom: 50px;
    }

    .clsCoreTalkingSection2Title {
        font-size: 28px;
    }

    .clsCoreTalkingSection2Content {
        gap: 50px;
    }

    .clsCoreTalkingSection2FeatureTitle {
        font-size: 22px;
    }

    .clsCoreTalkingSection2FeatureDesc {
        font-size: 16px;
    }

    .clsCoreTalkingSection2Row {
        gap: 30px;
    }
}

@media screen and (max-width: 768px) {
    #divSection2.clsSection.clsCoreTalkingSection2 {
        padding: 60px 0; /* 좌우 패딩을 0으로 변경 */
    }

    .clsCoreTalkingSection2Title {
        font-size: 24px;
    }

    .clsCoreTalkingSection2SubTitle {
        font-size: 14px;
    }

    .clsCoreTalkingSection2TextBlock,
    .clsCoreTalkingSection2ImageBlock {
        max-width: 100%;
    }

    .clsCoreTalkingSection2Content {
        gap: 40px;
        padding: 0px 20px;
    }

    .clsCoreTalkingSection2Row {
        gap: 20px;
    }

    .clsCoreTalkingSection2FeatureTitle {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .clsCoreTalkingSection2FeatureDesc {
        font-size: 15px;
        margin-bottom: 15px;
    }

    .clsCoreTalkingSection2Tag {
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    #divSection2.clsSection.clsCoreTalkingSection2 {
        padding: 40px 0px;
    }

    .clsCoreTalkingSection2Header {
        margin-bottom: 40px;
        padding: 0 5px; /* 좌우 패딩 */
    }

    .clsCoreTalkingSection2Title {
        font-size: 22px;
    }

    .clsCoreTalkingSection2Content {
        gap: 35px;
        padding: 0px 20px;
    }

    .clsCoreTalkingSection2Row {
        gap: 15px;
    }

    .clsCoreTalkingSection2FeatureTitle {
        font-size: 18px;
    }

    .clsCoreTalkingSection2FeatureDesc {
        font-size: 14px;
    }

    .clsCoreTalkingSection2Tag {
        font-size: 12px;
    }

    /* Hide volume and fullscreen buttons on small screens */
    .clsCoreTalkingVolumeContainer {
        display: none !important;
    }
}

/*****************************************
 * 섹션3 스타일
 *****************************************/
#divSection3.clsSection.clsCoreTalkingSection3 {
    padding: 80px 0;
    background-color: #ffffff;
}

.clsCoreTalkingSection3Content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.clsCoreTalkingSection3SubTitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
}

.clsCoreTalkingSection3Title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0 0 50px 0;
}

.clsCoreTalkingSection3ImageContainer {
    width: 100%;
    max-width: 700px;
}

.clsCoreTalkingSection3Image {
    width: 100%;
    height: auto;
    display: block;
}

/* 섹션3의 반응형 스타일 */
@media screen and (max-width: 1024px) {
    #divSection3.clsSection.clsCoreTalkingSection3 {
        padding: 60px 0;
    }

    .clsCoreTalkingSection3Title {
        font-size: 26px;
        margin-bottom: 40px;
    }

    .clsCoreTalkingSection3SubTitle {
        font-size: 15px;
    }

    .clsCoreTalkingSection3ImageContainer {
        max-width: 600px;
    }
}

@media screen and (max-width: 768px) {
    #divSection3.clsSection.clsCoreTalkingSection3 {
        padding: 50px 0;
    }

    .clsCoreTalkingSection3Title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .clsCoreTalkingSection3SubTitle {
        font-size: 14px;
    }

    .clsCoreTalkingSection3ImageContainer {
        max-width: 500px;
    }
}

@media screen and (max-width: 480px) {
    #divSection3.clsSection.clsCoreTalkingSection3 {
        padding: 40px 0;
    }

    .clsCoreTalkingSection3Title {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .clsCoreTalkingSection3SubTitle {
        font-size: 13px;
    }
}

/*****************************************
 * 섹션4 스타일
 *****************************************/
#divSection4.clsSection.clsCoreTalkingSection4 {
    padding: 80px 0;
    background-color: #D4FFE1; /* 민트색 배경 */
}

.clsCoreTalkingSection4Content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.clsCoreTalkingSection4SubTitle {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.clsCoreTalkingSection4Title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0 0 40px 0;
}

.clsCoreTalkingSection4ImageContainer {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.clsCoreTalkingSection4Image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* 섹션4의 반응형 스타일 */
@media screen and (max-width: 1024px) {
    #divSection4.clsSection.clsCoreTalkingSection4 {
        padding: 60px 0;
    }

    .clsCoreTalkingSection4Title {
        font-size: 26px;
        margin-bottom: 35px;
    }

    .clsCoreTalkingSection4SubTitle {
        font-size: 15px;
    }

    .clsCoreTalkingSection4ImageContainer {
        max-width: 700px;
    }
}

@media screen and (max-width: 768px) {
    #divSection4.clsSection.clsCoreTalkingSection4 {
        padding: 50px 0;
    }

    .clsCoreTalkingSection4Title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .clsCoreTalkingSection4SubTitle {
        font-size: 14px;
    }

    .clsCoreTalkingSection4ImageContainer {
        max-width: 600px;
    }
}

@media screen and (max-width: 480px) {
    #divSection4.clsSection.clsCoreTalkingSection4 {
        padding: 40px 0;
    }

    .clsCoreTalkingSection4Title {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .clsCoreTalkingSection4SubTitle {
        font-size: 13px;
    }
}

/*****************************************
 * 섹션5 스타일 (Core Talking - 비디오 섹션)
 *****************************************/
#divSection5.clsSection.clsCoreTalkingSection5 {
    background-color: #f8f8f8;
    padding: 80px 0;
    font-family: 'Inter', sans-serif;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.clsCoreTalkingSection5Container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.clsCoreTalkingSection5Header {
    text-align: center;
    margin-bottom: 40px;
}

.clsCoreTalkingSection5Title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #222;
}

.clsCoreTalkingSection5Title .clsSubtitle {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: #666;
    margin-top: 8px;
}

/* 탭 버튼 스타일 */
.clsCoreTalkingTabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    gap: 25px;
    flex-wrap: wrap;
}

.clsCoreTalkingTabBtn {
    padding: 14px 50px;
    font-size: 20px;
    font-weight: 600;
    border: none;
    background-color: #e0e0e0;
    color: #555;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 160px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
}

.clsCoreTalkingTabBtn.active {
    background-color: #4CD964;
    color: white;
    box-shadow: 0 4px 10px rgba(76, 217, 100, 0.3);
}

.clsCoreTalkingTabBtn:hover:not(.active) {
    background-color: #d0d0d0;
    transform: translateY(-2px);
}

/* 탭 컨텐츠 영역 */
.clsCoreTalkingTabContent {
    display: none;
    width: 100%;
    margin: 0 auto;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
    height: 0;
    overflow: hidden;
}

.clsCoreTalkingTabContent.active {
    display: block !important;
    visibility: visible;
    opacity: 1;
    height: auto;
    overflow: visible;
}

/* 비디오 그리드 레이아웃 */
.clsCoreTalkingVideoGrid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .clsCoreTalkingVideoGrid {
        grid-template-columns: repeat(1, 1fr);
        max-width: 700px;
    }
}

/* 비디오 컨테이너 영역 */
.clsCoreTalkingVideoContainer {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

/* 비디오 아이템 스타일 */
.clsCoreTalkingVideoItem {
    border-radius: 12px;
    overflow: hidden;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin: 0 auto;
    max-width: 100%;
    width: 100%;
}

.clsCoreTalkingVideoItem:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.clsCoreTalkingVideoThumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 비율 */
    overflow: hidden;
    background-color: #f0f0f0;
}

.clsCoreTalkingVideoImg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.clsCoreTalkingPlayButton {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.9;
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 80px;
    height: 80px;
}

.clsCoreTalkingVideoItem:hover .clsCoreTalkingPlayButton {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.clsCoreTalkingVideoInfo {
    padding: 18px 20px;
    text-align: center;
}

.clsCoreTalkingVideoTitle {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #333;
}

.clsCoreTalkingVideoDesc {
    font-size: 16px;
    color: #666;
}

/* 반응형 스타일 */
@media (max-width: 991px) {
    .clsCoreTalkingSection5 {
        padding: 60px 0;
    }
    
    .clsCoreTalkingSection5Title {
        font-size: 28px;
    }
    
    .clsCoreTalkingSection5Title .clsSubtitle {
        font-size: 16px;
    }
    
    .clsCoreTalkingTabBtn {
        padding: 10px 30px;
        font-size: 16px;
    }
}

@media (max-width: 767px) {
    .clsCoreTalkingVideoGrid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .clsCoreTalkingSection5 {
        padding: 50px 0;
    }
    
    .clsCoreTalkingSection5Title {
        font-size: 24px;
    }
    
    .clsCoreTalkingTabs {
        gap: 10px;
    }
    
    .clsCoreTalkingTabBtn {
        padding: 8px 25px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .clsCoreTalkingSection5Title {
        font-size: 22px;
    }
    
    .clsCoreTalkingSection5Title .clsSubtitle {
        font-size: 14px;
    }
    
    .clsCoreTalkingVideoInfo {
        padding: 12px 15px;
    }
    
    .clsCoreTalkingVideoTitle {
        font-size: 16px;
    }
    
    .clsCoreTalkingVideoDesc {
        font-size: 13px;
    }

    /* Hide volume and fullscreen buttons on small screens */
    .clsCoreTalkingVolumeContainer {
        display: none !important;
    }
}

/* 비디오 플레이어 모달 스타일 */
.clsCoreTalkingVideoPlayerModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.clsCoreTalkingVideoPlayerModal.active {
    display: flex; /* Activate flexbox for centering */
}

.clsCoreTalkingVideoPlayerContainer {
    position: relative;
    width: 80%;
    max-width: 1000px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.clsCoreTalkingCloseVideoPlayer {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    color: white;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
}

.clsCoreTalkingCloseVideoPlayer:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 커스텀 비디오 플레이어 */
.clsCoreTalkingCustomVideoPlayer {
    position: relative;
    width: 100%;
    background-color: #000;
}

.clsCoreTalkingVideoElement {
    width: 100%;
    display: block;
}

.clsCoreTalkingVideoControls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 15px;
    display: flex;
    align-items: center;
    transition: opacity 0.3s ease;
    opacity: 0; /* Initially hidden */
}

.clsCoreTalkingPlayPauseBtn {
    width: 36px;
    height: 36px;
    background-color: rgba(76, 217, 100, 0.7); /* Standard background */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 15px;
    transition: background-color 0.3s ease;
    flex-shrink: 0;
}

.clsCoreTalkingPlayIcon, .clsCoreTalkingPauseIcon {
    width: 18px;
    height: 18px;
}

.clsCoreTalkingPauseIcon {
    display: none;
}

.clsCoreTalkingProgressBarContainer {
    flex: 1;
    margin: 0 10px;
}

.clsCoreTalkingProgressBar {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.clsCoreTalkingProgress {
    width: 0%;
    height: 100%;
    background-color: #4CD964;
    border-radius: 3px;
    position: relative;
}

.clsCoreTalkingTimeDisplay {
    color: white;
    font-size: 12px;
    margin: 0 10px;
    width: 110px;
    text-align: center;
}

.clsCoreTalkingVolumeContainer {
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.clsCoreTalkingVolumeBtn {
    cursor: pointer;
    margin-right: 5px;
}

.clsCoreTalkingVolumeSlider {
    width: 60px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.clsCoreTalkingVolumeProgress {
    width: 70%;
    height: 100%;
    background-color: #4CD964;
    border-radius: 3px;
}

.clsCoreTalkingFullscreenBtn {
    cursor: pointer;
    margin-left: 10px;
}

/* 모바일 환경에서 컨트롤 크기 조정 */
@media (max-width: 767px) {
    .clsCoreTalkingVideoPlayerContainer {
        width: 95%;
    }
    
    .clsCoreTalkingVideoControls {
        padding: 8px;
    }
    
    .clsCoreTalkingTimeDisplay {
        font-size: 11px;
        width: 100px;
    }
    
    .clsCoreTalkingVolumeSlider {
        width: 40px;
    }
    
    .clsCoreTalkingFullscreenBtn, 
    .clsCoreTalkingVolumeBtn, 
    .clsCoreTalkingPlayPauseBtn {
        width: 24px;
        height: 24px;
    }
}

/* 반응형 스타일 추가 */
@media (max-width: 576px) {
    .clsCoreTalkingSection5Container {
        padding: 0 15px;
    }
    
    .clsCoreTalkingTabs {
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .clsCoreTalkingTabBtn {
        padding: 12px 30px;
        font-size: 16px;
        min-width: 120px;
    }
}

/* 모든 탭 내용 동일한 스타일 보장 */
#beforeVideo, #afterVideo {
    width: 100%;
}

#beforeVideo .clsCoreTalkingVideoGrid,
#afterVideo .clsCoreTalkingVideoGrid {
    width: 100%;
    max-width: 700px;
}

@media (max-width: 576px) {
    .clsCoreTalkingPlayButton {
        width: 60px;
        height: 60px;
    }
    
    .clsCoreTalkingVideoTitle {
        font-size: 18px;
    }
    
    .clsCoreTalkingVideoDesc {
        font-size: 14px;
    }
}

/*****************************************
 * 섹션6 스타일 (가족과 함께 - 비디오 섹션)
 *****************************************/
#divSection6.clsSection.clsCoreTalkingSection6 {
    background-color: #f8f8f8;
    padding: 80px 0;
    font-family: 'Inter', sans-serif;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.clsCoreTalkingSection6Container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.clsCoreTalkingSection6Header {
    text-align: center;
    margin-bottom: 50px;
}

.clsCoreTalkingSection6Title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #222;
}

.clsCoreTalkingSection6Title .clsHighlight {
    color: #4CD964;
}

/* 중간 타이틀 스타일 */
.clsCoreTalkingSection6SubHeader {
    margin: 60px 0 30px;
    text-align: center;
}

.clsCoreTalkingSection6SubTitle {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.clsCoreTalkingSection6SubTitle .clsHighlight {
    color: #4CD964;
}

/* 가족 비디오 그리드 - PC에서 가로 2개, 모바일에서 세로 */
.clsCoreTalkingSection6VideoGrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

/* 탭 컨테이너 스타일 */
.clsCoreTalkingSection6TabContainer {
    margin-bottom: 60px;
}

.clsCoreTalkingSection6TabContainer:last-child {
    margin-bottom: 0;
}

.clsCoreTalkingTabContents {
    width: 100%;
}

/* 스페이서 */
.clsCoreTalkingSpacer {
    height: 60px;
}

/* 반응형 스타일 */
@media (max-width: 991px) {
    #divSection6.clsSection.clsCoreTalkingSection6 {
        padding: 60px 0;
    }
    
    .clsCoreTalkingSection6Title {
        font-size: 28px;
    }
    
    .clsCoreTalkingSection6SubTitle {
        font-size: 22px;
    }
    
    .clsCoreTalkingSection6VideoGrid {
        gap: 25px;
    }
    
    .clsCoreTalkingSection6TabContainer {
        margin-bottom: 50px;
    }
}

@media (max-width: 767px) {
    .clsCoreTalkingSection6VideoGrid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 700px;
    }
    
    #divSection6.clsSection.clsCoreTalkingSection6 {
        padding: 50px 0;
    }
    
    .clsCoreTalkingSection6Header {
        margin-bottom: 40px;
    }
    
    .clsCoreTalkingSection6Title {
        font-size: 24px;
    }
    
    .clsCoreTalkingSection6SubHeader {
        margin: 50px 0 25px;
    }
    
    .clsCoreTalkingSection6SubTitle {
        font-size: 20px;
    }
    
    .clsCoreTalkingSection6TabContainer {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    #divSection6.clsSection.clsCoreTalkingSection6 {
        padding: 40px 0;
    }
    
    .clsCoreTalkingSection6Title {
        font-size: 22px;
    }
    
    .clsCoreTalkingSection6SubTitle {
        font-size: 18px;
    }
    
    .clsCoreTalkingSection6VideoGrid {
        gap: 15px;
    }
    
    .clsCoreTalkingSection6TabContainer {
        margin-bottom: 30px;
    }
}

/*****************************************
 * 섹션7 스타일 (원어민 그룹토킹 - 비디오 섹션)
 *****************************************/
#divSection7.clsSection.clsCoreTalkingSection7 {
    background-color: #f0f8f0; /* Section 7의 배경색을 약간 다르게 설정 */
    padding: 80px 0;
    font-family: 'Inter', sans-serif;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.clsCoreTalkingSection7Container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.clsCoreTalkingSection7Header {
    text-align: center;
    margin-bottom: 50px;
}

.clsCoreTalkingSection7Title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #222;
}

.clsCoreTalkingSection7Title .clsHighlight {
    color: #4CD964;
}

/* 원어민 그룹토킹 비디오 그리드 - PC에서 가로 2개, 모바일에서 세로 */
.clsCoreTalkingSection7VideoGrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px !important;
    margin: 0 auto;
    width: 100%;
}

/* 반응형 스타일 */
@media (max-width: 991px) {
    #divSection7.clsSection.clsCoreTalkingSection7 {
        padding: 60px 0;
    }
    
    .clsCoreTalkingSection7Title {
        font-size: 28px;
    }
    
    .clsCoreTalkingSection7VideoGrid {
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .clsCoreTalkingSection7VideoGrid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 700px;
    }
    
    #divSection7.clsSection.clsCoreTalkingSection7 {
        padding: 50px 0;
    }
    
    .clsCoreTalkingSection7Title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    #divSection7.clsSection.clsCoreTalkingSection7 {
        padding: 40px 0;
    }
    
    .clsCoreTalkingSection7Title {
        font-size: 22px;
    }
    
    .clsCoreTalkingSection7VideoGrid {
        gap: 15px;
    }
}