/* 라이브셀 쇼핑몰 창업지원 영상 섹션 */
.kt-video-section {
    position: relative;
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* AOS 애니메이션 초기 상태 설정 */
.kt-video-section[data-aos] {
    opacity: 0;
    transform: translateY(50px);
}

.kt-video-background[data-aos] {
    opacity: 0;
}

.kt-video-title[data-aos] {
    opacity: 0;
    transform: translateY(30px);
}

.kt-tv-frame[data-aos] {
    opacity: 0;
    transform: scale(0.8);
}

.kt-video-buttons[data-aos] {
    opacity: 0;
    transform: translateY(30px);
}

.kt-share-btn[data-aos] {
    opacity: 0;
    transform: translateY(20px);
}

/* 모바일에서는 높이를 자동으로 조정 */
@media (max-width: 768px) {
    .kt-video-section {
        height: auto !important;
        min-height: 80vh !important;
        padding-bottom: 3rem !important;
    }
}

@media (max-width: 480px) {
    .kt-video-section {
        height: auto !important;
        min-height: 75vh !important;
        padding-bottom: 3rem !important;
    }
}

/* 풀화면 배경색 */
.kt-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    z-index: 1;
    animation: videoBackgroundFadeIn 2s ease-out forwards;
    transform: scale(1.1);
    transition: transform 0.3s ease-out;
}

/* 배경 페이드인 애니메이션 */
@keyframes videoBackgroundFadeIn {
    0% {
        opacity: 0;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 배경 오버레이 */
.kt-video-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.kt-video-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 2;
    text-align: center;
}

.kt-video-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: videoTitleGlow 3s ease-in-out infinite alternate;
}

/* 제목 글로우 애니메이션 */
@keyframes videoTitleGlow {
    0% {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    100% {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 20px rgba(44, 62, 80, 0.3);
    }
}

/* TV 프레임 */
.kt-tv-frame {
    position: relative;
    max-width: 900px;
    margin: 0 auto 2rem auto;
    animation: tvPowerOn 2s ease-out forwards;
}

.kt-tv-screen {
    position: relative;
    background: #000;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 
        0 0 0 8px #2c3e50,
        0 0 0 12px #34495e,
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    border: 2px solid #1a1a1a;
}

.kt-tv-screen::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid #34495e;
    border-radius: 15px;
    pointer-events: none;
    z-index: 1;
}

.kt-tv-stand {
    width: 200px;
    height: 20px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.kt-video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 비율 */
    border-radius: 15px;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* TV 전원 켜짐 애니메이션 */
@keyframes tvPowerOn {
    0% {
        opacity: 0;
        transform: scale(0.8) rotateX(10deg);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.9) rotateX(5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotateX(0deg);
    }
}

/* TV 프레임 호버 효과 */
.kt-tv-frame:hover .kt-tv-screen {
    transform: translateY(-5px);
    box-shadow: 
        0 0 0 8px #2c3e50,
        0 0 0 12px #34495e,
        0 25px 50px rgba(0, 0, 0, 0.4),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.kt-tv-frame:hover .kt-tv-screen::before {
    border-color: #3498db;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
}

.kt-video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}


.kt-video-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

/* 공유 버튼 그룹 */
.kt-share-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* 공유 버튼 */
.kt-share-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    min-width: 120px;
}

.kt-share-kakao {
    background: #FEE500;
    color: #3C1E1E;
    border: 1px solid #FEE500;
}

.kt-share-kakao:hover {
    background: #FFEB3B;
    border-color: #FFEB3B;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(254, 229, 0, 0.3);
}

.kt-share-sms {
    background: #4CAF50;
    color: white;
    border: 1px solid #4CAF50;
}

.kt-share-sms:hover {
    background: #45a049;
    border-color: #45a049;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.kt-share-url {
    background: #2196F3;
    color: white;
    border: 1px solid #2196F3;
}

.kt-share-url:hover {
    background: #1976D2;
    border-color: #1976D2;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
}

.kt-share-btn:focus {
    outline: 2px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* 영상더보기 팝업창 */
.kt-video-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.kt-video-popup-overlay.show {
    display: flex;
    animation: popupFadeIn 0.3s ease-out;
}

.kt-video-popup-container {
    background: #ffffff;
    border-radius: 20px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: popupSlideIn 0.3s ease-out;
}

.kt-video-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.kt-video-popup-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.kt-video-popup-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kt-video-popup-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.kt-video-popup-close svg {
    width: 24px;
    height: 24px;
}

.kt-video-popup-content {
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* 팝업 TV 프레임 */
.kt-popup-tv-frame {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    animation: tvPowerOn 2s ease-out forwards;
}

.kt-popup-tv-screen {
    position: relative;
    background: #000;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 
        0 0 0 8px #2c3e50,
        0 0 0 12px #34495e,
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    border: 2px solid #1a1a1a;
}

.kt-popup-tv-screen::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid #34495e;
    border-radius: 15px;
    pointer-events: none;
    z-index: 1;
}

.kt-popup-tv-stand {
    width: 200px;
    height: 20px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.kt-popup-video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 비율 */
    border-radius: 15px;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.kt-popup-video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 15px;
}

/* 팝업 공유 버튼 */
.kt-popup-share-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.kt-popup-share-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.kt-popup-share-kakao {
    background: linear-gradient(135deg, #FEE500 0%, #FFEB3B 100%);
    color: #3C1E1E;
    border: 2px solid #FEE500;
}

.kt-popup-share-kakao:hover {
    background: linear-gradient(135deg, #FFEB3B 0%, #FEE500 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(254, 229, 0, 0.3);
}

.kt-popup-share-sms {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    color: white;
    border: 2px solid #4CAF50;
}

.kt-popup-share-sms:hover {
    background: linear-gradient(135deg, #66BB6A 0%, #4CAF50 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.kt-popup-share-url {
    background: linear-gradient(135deg, #2196F3 0%, #42A5F5 100%);
    color: white;
    border: 2px solid #2196F3;
}

.kt-popup-share-url:hover {
    background: linear-gradient(135deg, #42A5F5 0%, #2196F3 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.kt-popup-share-btn:focus {
    outline: 2px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* PC에서 모바일 전용 기능 알림창 */
.kt-mobile-only-alert {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.kt-mobile-only-alert.show {
    display: flex;
    animation: mobileAlertFadeIn 0.3s ease-out;
}

.kt-mobile-only-content {
    background: #ffffff;
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: mobileAlertSlideIn 0.3s ease-out;
    overflow: hidden;
}

.kt-mobile-only-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
}

.kt-mobile-only-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
}

.kt-mobile-only-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kt-mobile-only-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.kt-mobile-only-close svg {
    width: 20px;
    height: 20px;
}

.kt-mobile-only-body {
    padding: 30px 24px;
    text-align: center;
}

.kt-mobile-only-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: #ff6b6b;
    animation: mobileIconPulse 2s infinite;
}

.kt-mobile-only-icon svg {
    width: 100%;
    height: 100%;
}

.kt-mobile-only-message {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 10px 0;
    line-height: 1.5;
}

.kt-mobile-only-submessage {
    font-size: 0.95rem;
    color: #7f8c8d;
    margin: 0;
    line-height: 1.4;
}

.kt-mobile-only-footer {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    background: #f8f9fa;
    justify-content: center;
}

.kt-mobile-only-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 100px;
}

.kt-mobile-only-btn--primary {
    background: linear-gradient(135deg, #2196F3 0%, #42A5F5 100%);
    color: white;
    border: 2px solid #2196F3;
}

.kt-mobile-only-btn--primary:hover {
    background: linear-gradient(135deg, #42A5F5 0%, #2196F3 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.kt-mobile-only-btn--secondary {
    background: #ffffff;
    color: #6c757d;
    border: 2px solid #dee2e6;
}

.kt-mobile-only-btn--secondary:hover {
    background: #f8f9fa;
    border-color: #adb5bd;
    transform: translateY(-1px);
}

.kt-mobile-only-btn:focus {
    outline: 2px solid rgba(33, 150, 243, 0.5);
    outline-offset: 2px;
}

/* 팝업 애니메이션 */
@keyframes popupFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes popupSlideIn {
    0% {
        transform: scale(0.8) translateY(50px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* 모바일 전용 알림창 애니메이션 */
@keyframes mobileAlertFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes mobileAlertSlideIn {
    0% {
        transform: scale(0.9) translateY(30px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

@keyframes mobileIconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.kt-video-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kt-video-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.kt-video-btn:hover:before {
    left: 100%;
}

.kt-video-btn--share {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.kt-video-btn--share:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.kt-video-btn--more {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.kt-video-btn--more:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.kt-video-btn:focus {
    outline: 3px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* 모바일 반응형 - TV 프레임 제거 및 영상 세로 길이 확대 */
@media (max-width: 768px) {
    .kt-video-section {
        overflow-x: hidden; /* 좌우 스크롤 방지 */
    }
    
    .kt-video-container {
        max-width: 100%;
        margin: 0;
        padding: 0;
        position: relative;
        z-index: 2;
        text-align: center;
    }
    
    .kt-video-title {
        font-size: 2rem;
        margin-top: 2rem; /* 상단 여백 추가 */
        margin-bottom: 1rem; /* 제목을 위로 올림 */
        padding: 0 1rem; /* 제목만 좌우 패딩 유지 */
    }
    
    .kt-tv-frame {
        max-width: 100%;
        width: 100%;
        margin: 0 auto 3rem auto; /* 하단 마진을 늘려서 버튼과의 간격 확보 */
        aspect-ratio: 16 / 10; /* 세로 길이를 적절히 확대 (16:9 → 16:10) */
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
    }
    
    .kt-tv-screen {
        padding: 0;
        border-radius: 0;
        background: none;
        box-shadow: none;
        border: none;
    }
    
    .kt-tv-screen::before {
        display: none; /* TV 프레임 효과 제거 */
    }
    
    .kt-tv-stand {
        display: none; /* TV 받침대 제거 */
    }
    
    .kt-video-wrapper {
        width: 100%;
        height: 100%;
        border-radius: 0;
        box-shadow: none;
        border: none;
    }
    
    .kt-video-player {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
    
    .kt-video-buttons {
        gap: 0.5rem;
        flex-direction: column;
    }
    
    .kt-share-buttons {
        gap: 0.5rem;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .kt-share-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
        min-width: 200px;
        width: 100%;
        max-width: 200px;
    }
    
    /* 모바일 팝업 스타일 */
    .kt-video-popup-overlay {
        padding: 10px;
    }
    
    .kt-video-popup-container {
        max-width: 100%;
        max-height: 95vh;
    }
    
    .kt-video-popup-header {
        padding: 15px 20px;
    }
    
    .kt-video-popup-title {
        font-size: 1.2rem;
    }
    
    .kt-video-popup-content {
        padding: 20px;
    }
    
    .kt-popup-tv-screen {
        padding: 15px;
        border-radius: 15px;
    }
    
    .kt-popup-tv-screen::before {
        top: 8px;
        left: 8px;
        right: 8px;
        bottom: 8px;
        border-radius: 12px;
    }
    
    .kt-popup-tv-stand {
        width: 150px;
        height: 15px;
    }
    
    /* 모바일 팝업 공유 버튼 */
    .kt-popup-share-buttons {
        gap: 0.8rem;
        margin-top: 1.5rem;
    }
    
    .kt-popup-share-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
        min-width: 100px;
    }
    
    .kt-video-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .kt-video-section {
        overflow-x: hidden; /* 좌우 스크롤 방지 */
    }
    
    .kt-video-container {
        max-width: 100%;
        margin: 0;
        padding: 0;
        position: relative;
        z-index: 2;
        text-align: center;
    }
    
    .kt-video-title {
        font-size: 1.75rem;
        margin-top: 1.5rem; /* 상단 여백 추가 */
        margin-bottom: 0.8rem; /* 제목을 더 위로 올림 */
        padding: 0 1rem; /* 제목만 좌우 패딩 유지 */
    }
    
    .kt-tv-frame {
        max-width: 100%;
        width: 100%;
        margin: 0 auto 2.5rem auto; /* 하단 마진을 늘려서 버튼과의 간격 확보 */
        aspect-ratio: 16 / 9.5; /* 작은 화면에서는 세로 길이를 약간 확대 (16:9 → 16:9.5) */
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
    }
    
    .kt-tv-screen {
        padding: 0;
        border-radius: 0;
        background: none;
        box-shadow: none;
        border: none;
    }
    
    .kt-tv-screen::before {
        display: none; /* TV 프레임 효과 제거 */
    }
    
    .kt-tv-stand {
        display: none; /* TV 받침대 제거 */
    }
    
    .kt-video-wrapper {
        width: 100%;
        height: 100%;
        border-radius: 0;
        box-shadow: none;
        border: none;
    }
    
    .kt-video-player {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
    
    .kt-video-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .kt-share-buttons {
        gap: 0.5rem;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .kt-share-btn {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
        min-width: 200px;
        width: 100%;
        max-width: 200px;
    }
    
    /* 소형 모바일 팝업 스타일 */
    .kt-video-popup-overlay {
        padding: 5px;
    }
    
    .kt-video-popup-container {
        max-height: 98vh;
    }
    
    .kt-video-popup-header {
        padding: 12px 15px;
    }
    
    .kt-video-popup-title {
        font-size: 1rem;
    }
    
    .kt-video-popup-content {
        padding: 15px;
    }
    
    .kt-popup-tv-screen {
        padding: 10px;
        border-radius: 12px;
    }
    
    .kt-popup-tv-screen::before {
        top: 5px;
        left: 5px;
        right: 5px;
        bottom: 5px;
        border-radius: 10px;
    }
    
    .kt-popup-tv-stand {
        width: 120px;
        height: 12px;
    }
    
    /* 소형 모바일 팝업 공유 버튼 */
    .kt-popup-share-buttons {
        gap: 0.5rem;
        margin-top: 1rem;
    }
    
    .kt-popup-share-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    /* 모바일 알림창 스타일 */
    .kt-mobile-only-alert {
        padding: 15px;
    }
    
    .kt-mobile-only-content {
        max-width: 100%;
    }
    
    .kt-mobile-only-header {
        padding: 16px 20px;
    }
    
    .kt-mobile-only-title {
        font-size: 1.1rem;
    }
    
    .kt-mobile-only-body {
        padding: 24px 20px;
    }
    
    .kt-mobile-only-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 16px;
    }
    
    .kt-mobile-only-message {
        font-size: 1rem;
    }
    
    .kt-mobile-only-submessage {
        font-size: 0.9rem;
    }
    
    .kt-mobile-only-footer {
        padding: 16px 20px;
        gap: 10px;
    }
    
    .kt-mobile-only-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        min-width: 80px;
    }
    
    .kt-video-btn {
        width: 200px;
        padding: 0.7rem 1rem;
    }
}

/* PC 반응형 */
@media (min-width: 1200px) {
    .kt-video-title {
        font-size: 3rem;
        margin-bottom: 2.5rem;
    }
    
    .kt-video-wrapper {
        margin-bottom: 2.5rem;
    }
}

/* 추가 모바일 최적화 - 좌우 스크롤 방지 및 영상 꽉참 */
@media (max-width: 768px) {
    .kt-video-section {
        overflow-x: hidden; /* 좌우 스크롤 방지 */
    }
    
    .kt-video-container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .kt-tv-frame {
        max-width: 100% !important;
        width: 100% !important;
        aspect-ratio: 16 / 10; /* 세로 길이를 적절히 확대 */
    }
    
    .kt-tv-screen {
        padding: 0 !important;
        border-radius: 0 !important;
        background: none !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    .kt-tv-screen::before {
        display: none !important; /* TV 프레임 효과 제거 */
    }
    
    .kt-tv-stand {
        display: none !important; /* TV 받침대 제거 */
    }
    
    .kt-video-wrapper {
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    .kt-video-player {
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
    }
    
    .kt-video-title {
        margin-bottom: 1rem !important;
    }
}

@media (max-width: 480px) {
    .kt-video-section {
        overflow-x: hidden; /* 좌우 스크롤 방지 */
    }
    
    .kt-video-container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .kt-tv-frame {
        max-width: 100% !important;
        width: 100% !important;
        aspect-ratio: 16 / 9.5; /* 세로 길이를 약간 확대 */
    }
    
    .kt-tv-screen {
        padding: 0 !important;
        border-radius: 0 !important;
        background: none !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    .kt-tv-screen::before {
        display: none !important; /* TV 프레임 효과 제거 */
    }
    
    .kt-tv-stand {
        display: none !important; /* TV 받침대 제거 */
    }
    
    .kt-video-wrapper {
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    .kt-video-player {
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
    }
    
    .kt-video-title {
        margin-bottom: 0.8rem !important;
    }
}

@media (min-width: 1600px) {
    .kt-video-title {
        font-size: 3.5rem;
    }
}