.video-section {
            width: 100%;
            padding: 80px 20px;
            max-width: 1300px;
            margin: 0 auto;
        }

        /* 전체 레이아웃 (좌우 2단 배치) */
        .video-container {
            display: grid;
            grid-template-columns: 380px 1fr;
            gap: 60px;
            align-items: center;
        }

        /* 좌측 텍스트 영역 */
        .video-left .category-small {
            font-size: 14px;
            font-weight: 500;
            color: #666;
            margin-bottom: 12px;
            display: block;
        }
        .video-left h2 {
            font-size: 36px;
            font-weight: 700;
            color: #111;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .video-left p {
            font-size: 15px;
            color: #555;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        .action-btn {
            display: inline-block;
            padding: 14px 28px;
            background-color: #111;
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            transition: background-color 0.2s;
        }
        .action-btn:hover { background-color: #333; }

        /* 우측 미디어 영역 */
        .video-right {
            position: relative;
            width: 100%;
        }

        /* 메인 대형 화면 */
        .main-screen {
            position: relative;
            width: 100%;
            height: 450px;
            border-radius: 12px;
            overflow: hidden;
            background-color: #000;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .main-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
            transition: transform 0.4s ease;
        }
        .main-screen:hover img { transform: scale(1.03); }
        
        /* 재생 아이콘 오버레이 */
        .play-icon-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            background-color: rgba(0, 0, 0, 0.6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
        }
        .play-icon-overlay::after {
            content: '';
            display: block;
            width: 0; height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-left: 16px solid #fff;
            margin-left: 3px;
        }
        .main-screen:hover .play-icon-overlay {
            background-color: rgba(200, 0, 0, 0.9);
        }

        /* 하단 컨트롤러 및 슬라이드 감싸는 박스 */
        .slider-control-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            width: 100%;
        }

        /* 썸네일 컨테이너 */
        .thumbnail-track-container {
            flex-grow: 1;
            overflow: hidden; /* 영역을 벗어나는 아이템 숨김 */
        }

        .thumbnail-track {
            display: flex;
            gap: 12px;
            /* transform 속성을 완전히 제거하여 왜곡 및 쏠림 현상 원천 차단 */
        }

        .thumb-item {
            width: 130px;
            height: 75px;
            border-radius: 6px;
            overflow: hidden;
            cursor: pointer;
            opacity: 0.4;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            background-color: #000;
            flex-shrink: 0;
        }
        .thumb-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .thumb-item:hover {
            opacity: 0.8;
        }
        .thumb-item.active {
            opacity: 1;
            border-color: #111;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }

        /* 좌우 슬라이드 컨트롤 버튼 */
        .slide-control-btn {
            background: #fff;
            border: 1px solid #ddd;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: bold;
            color: #333;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            flex-shrink: 0;
            transition: all 0.2s;
        }
        .slide-control-btn:hover { background: #111; color: #fff; border-color: #111; }

        /* 유튜브 모달 팝업 스타일 */
        .youtube-modal-overlay {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            display: flex; align-items: center; justify-content: center;
            z-index: 2000;
            opacity: 0; visibility: hidden;
            transition: all 0.3s ease;
        }
        .youtube-modal-overlay.open { opacity: 1; visibility: visible; }
        .youtube-modal-content {
            position: relative;
            width: 90%; max-width: 900px;
            aspect-ratio: 16 / 9;
            background: #000;
            border-radius: 12px;
            overflow: hidden;
            transform: scale(0.95);
            transition: transform 0.3s ease;
        }
        .youtube-modal-overlay.open .youtube-modal-content { transform: scale(1); }
        .youtube-modal-content iframe {
            width: 100%;
            height: 100%;
            border: none;
        }
        .modal-close-btn {
            position: absolute;
            top: -45px; right: 0;
            background: none; border: none;
            color: #fff; font-size: 32px;
            cursor: pointer;
        }

        /* 반응형 디자인 */
        @media (max-width: 1024px) {
            .video-container { grid-template-columns: 1fr; gap: 40px; }
            .main-screen { height: 360px; }
        }
        @media (max-width: 768px) {
            .video-left h2 { font-size: 28px; }
            .main-screen { height: 240px; }
            .thumb-item { width: 100px; height: 60px; }
        }

        /* 모바일 컨텐츠 확장 방지 및 알찬 정렬 고정 */
        @media (max-width: 768px) {
            /* 우측 미디어 영역 전체가 화면을 넘지 않도록 고정 */
            .video-right {
                max-width: 100%;
                overflow: hidden;
            }

            /* 썸네일 트랙 컨테이너가 빈 공간 없이 유연하게 줄어들도록 설정 */
            .thumbnail-track-container {
                width: 100%;
                overflow: hidden;
                display: block;
            }

            /* 썸네일 아이템들이 화면 크기에 따라 찌그러지거나 늘어나는 현상 원천 차단 */
            .thumb-item {
                flex: 0 0 95px !important;
                width: 95px !important;
                height: 55px !important;
            }

            /* 슬라이드 좌우 컨트롤 버튼 크기 및 간격 고정 */
            .slider-control-wrapper {
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 8px;
            }

            .slide-control-btn {
                flex-shrink: 0;
                width: 34px !important;
                height: 34px !important;
            }
        }