/* 기본 설정 */
        .music-intro {
            width: 100%;
            font-family: 'Pretendard', sans-serif;
            color: #222;
        }

        .music-intro section {
            padding: 4rem 1.5rem;
        }

        .music-intro .inner {
            max-width: 1100px;
            margin: auto;
            text-align: center;
        }

        /* 인트로 */
        .intro h1 {
            font-size: 2rem;
            line-height: 1.5;
        }

        .intro h1 span {
            color: #006400;
            font-weight: 700;
        }

        .intro p {
            margin-top: 1rem;
            color: #555;
        }

        /* 감성 카드 */
        .emotion-cards {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .emotion-cards .card {
            background: #f8f8f8;
            border-radius: 16px;
            padding: 1.5rem;
            width: 220px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            transition: 0.3s ease;
        }

        .emotion-cards .card:hover {
            transform: translateY(-5px);
        }

        .emotion-cards img {
            width: 48px;
            margin-bottom: 1rem;
        }

        /* 커리큘럼 */
        .learning-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .learning-grid .item {
            background: #f1f8f4;
            border-radius: 12px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .learning-grid .img-box {
            aspect-ratio: 4 / 3;
            width: 100%;
            overflow: hidden;
        }

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

        .learning-grid p {
            margin: 0;
            padding: 1rem;
            font-weight: 500;
            font-size: 0.95rem;
        }




        /* 썸네일 갤러리 */

        .activity-slider-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 60px 20px;
            position: relative;
            background: #fff;
        }

        .activity-slider-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .activity-title {
            font-size: 2rem;
            font-weight: bold;
        }

        .activity-subtitle {
            margin: 10px 0;
            color: #666;
        }

        .activity-more-btn {
            display: inline-block;
            margin-top: 10px;
            background: #006400;
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 500;
        }

        .activity-slider-container {
            position: relative;
            overflow: hidden;
        }

        .activity-slider-track {
            display: flex;
            gap: 20px;
            transition: transform 0.5s ease-in-out;
            will-change: transform;
        }

        .slide-item {
            flex: 0 0 25%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
        }

        .image-box {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            width: 100%;
        }

        .image-box img {
            width: 100%;
            height: 100%;
            object-fit: fill;
            display: block;
        }

        .slide-card {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .slide-caption {
            padding: 15px;
        }

        .slide-caption h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;

        }

        .slide-caption p {
            font-size: 0.85rem;
            color: #666;
            margin: 0;
        }

        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: #006400;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 5;
        }

        .slider-btn.prev {
            left: 10px;
        }

        .slider-btn.next {
            right: 10px;
        }

        @media (max-width: 992px) {
            .slide-item {
                flex: 0 0 33.3333%;
            }
        }

        @media (max-width: 768px) {
            .slide-item {
                flex: 0 0 50%;
            }
        }

        @media (max-width: 480px) {
            .slide-item {
                flex: 0 0 100%;
            }
        }

        /* CTA */
        .cta {
            background: #006400;
            color: white;
        }

        .cta h2 {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
        }

        .cta p {
            margin-bottom: 1.5rem;
        }

        .btn-group {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
        }

        .btn.green {
            background: white;
            color: #006400;
        }

        .btn.outline {
            border: 2px solid white;
            color: white;
        }

        .btn:hover {
            opacity: 0.85;
        }


        /* 🧭 반응형 미디어쿼리 */

        @media (max-width: 1200px) {
            .music-intro section {
                padding: 3.5rem 1.25rem;
            }

            .intro h1 {
                font-size: 1.9rem;
            }

            .emotion-cards {
                gap: 1.2rem;
            }

            .learning-grid {
                gap: 1.2rem;
            }
        }

        @media (max-width: 1024px) {
            .music-intro section {
                padding: 3rem 1rem;
            }

            .intro h1 {
                font-size: 1.75rem;
            }

            .emotion-cards .card {
                padding: 1.2rem;
            }

            .btn {
                font-size: 0.95rem;
                padding: 0.65rem 1.2rem;
            }
        }

        @media (max-width: 850px) {
            .music-intro section {
                padding: 2.5rem 1rem;
            }

            .intro h1 {
                font-size: 1.6rem;
            }

            .btn {
                padding: 0.6rem 1.1rem;
            }
        }

        @media (max-width: 768px) {
            .music-intro section {
                padding: 2.2rem 1rem;
            }

            .intro h1 {
                font-size: 1.5rem;
                line-height: 1.4;
            }

            .intro p {
                font-size: 0.95rem;
            }

            .emotion-cards .card {
                width: 100%;
                max-width: 300px;
                padding: 1rem;
            }

            .learning-grid {
                grid-template-columns: 1fr 1fr;
            }

            .gallery .thumbs {
                grid-template-columns: repeat(2, 1fr);
            }

            .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 260px;
                padding: 0.6rem 1rem;
            }
        }

        @media (max-width: 700px) {
            .music-intro section {
                padding: 2rem 0.75rem;
            }

            .intro h1 {
                font-size: 1.4rem;
            }

            .learning-grid {
                grid-template-columns: 1fr 1fr;
            }

            .gallery .thumbs {
                grid-template-columns: 1fr;
            }

            .btn {
                font-size: 0.9rem;
                padding: 0.55rem 1rem;
            }
        }

        @media (max-width: 500px) {
            .music-intro section {
                padding: 1.8rem 0.75rem;
            }

            .intro h1 {
                font-size: 1.3rem;
                letter-spacing: -0.2px;
            }

            .intro p {
                font-size: 0.9rem;
            }

            .emotion-cards {
                gap: 1rem;
            }

            .emotion-cards .card {
                padding: 0.9rem;
            }

            .btn {
                font-size: 0.85rem;
                padding: 0.5rem 0.9rem;
            }
        }

        @media (max-width: 400px) {
            .music-intro section {
                padding: 1.5rem 0.6rem;
            }

            .intro h1 {
                font-size: 1.15rem;
            }

            .btn {
                font-size: 0.8rem;
                padding: 0.45rem 0.8rem;
            }
        }

        @media (max-width: 300px) {
            .music-intro section {
                padding: 1.2rem 0.5rem;
            }

            .intro h1 {
                font-size: 1rem;
            }

            .btn {
                font-size: 0.75rem;
                padding: 0.4rem 0.75rem;
            }
        }