* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    .exhibition-timeline {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        padding: clamp(30px, 5vw, 60px) clamp(15px, 3vw, 20px);
        background: #fff;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
    }
    
    .timeline-header {
        text-align: center;
        margin-bottom: clamp(40px, 6vw, 80px);
        padding: 0 clamp(10px, 2vw, 20px);
    }
    
    .timeline-header h1 {
        font-size: clamp(1.8rem, 4vw, 2.8rem);
        color: #222;
        margin-bottom: clamp(12px, 2vw, 20px);
        font-weight: 700;
        letter-spacing: -0.5px;
        line-height: 1.3;
    }
    
    .timeline-header p {
        font-size: clamp(1rem, 2vw, 1.2rem);
        color: #666;
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.8;
    }
    
    .timeline-container {
        position: relative;
        padding: clamp(20px, 3vw, 40px) 0;
    }
    
    /* Desktop Timeline Line */
    .timeline-container::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 3px;
        background: linear-gradient(to bottom, #30A0FF, #1e7acc);
        transform: translateX(-50%);
        z-index: 1;
    }
    
    .timeline-item {
        position: relative;
        margin-bottom: clamp(50px, 8vw, 100px);
        display: flex;
        align-items: flex-start;
        opacity: 0;
        animation: fadeInUp 0.8s ease forwards;
    }
    
    /* Staggered Animation */
    .timeline-item:nth-child(1) { animation-delay: 0.1s; }
    .timeline-item:nth-child(2) { animation-delay: 0.15s; }
    .timeline-item:nth-child(3) { animation-delay: 0.2s; }
    .timeline-item:nth-child(4) { animation-delay: 0.25s; }
    .timeline-item:nth-child(5) { animation-delay: 0.3s; }
    .timeline-item:nth-child(6) { animation-delay: 0.35s; }
    .timeline-item:nth-child(7) { animation-delay: 0.4s; }
    .timeline-item:nth-child(8) { animation-delay: 0.45s; }
    .timeline-item:nth-child(9) { animation-delay: 0.5s; }
    .timeline-item:nth-child(10) { animation-delay: 0.55s; }
    .timeline-item:nth-child(11) { animation-delay: 0.6s; }
    .timeline-item:nth-child(12) { animation-delay: 0.65s; }
    .timeline-item:nth-child(13) { animation-delay: 0.7s; }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(40px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Desktop Layout - Cards on alternating sides */
    .timeline-item.left {
        justify-content: flex-end;
        padding-right: calc(50% + 30px);
    }
    
    .timeline-item.right {
        justify-content: flex-start;
        padding-left: calc(50% + 30px);
    }
    
    /* Timeline Dot */
    .timeline-dot {
        position: absolute;
        left: 50%;
        top: 50%;
        width: 18px;
        height: 18px;
        background: #30A0FF;
        border: 4px solid #fff;
        border-radius: 50%;
        transform: translate(-50%, -50%);
        z-index: 2;
        box-shadow: 0 0 0 6px rgba(48, 160, 255, 0.15);
        transition: all 0.3s ease;
    }
    
    .timeline-item:hover .timeline-dot {
        background: #1e7acc;
        transform: translate(-50%, -50%) scale(1.4);
        box-shadow: 0 0 0 10px rgba(48, 160, 255, 0.25);
    }
    
    /* Exhibition Card - Ueeshop Optimized */
    .exhibition-card {
        width: 100%;
        max-width: 100%;
        background: #fff;
        border-radius: clamp(12px, 2vw, 16px);
        overflow: hidden;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border: 1px solid #f0f0f0;
    }
    
    .exhibition-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 16px 50px rgba(48, 160, 255, 0.15);
        border-color: #30A0FF;
    }
    
    /* Image Container - Maintain Aspect Ratio Without Cropping */
    .exhibition-image {
        position: relative;
        width: 100%;
        padding-top: 66.67%; /* 3:2 Aspect Ratio */
        overflow: hidden;
        background: #f5f5f5;
        cursor: zoom-in;
    }
    
    /* Image Scaling - Contain (No Crop) with Equal Scaling */
    .exhibition-image img {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        height: 100%;
        object-fit: contain; /* Changed from cover to contain - No cropping */
        object-position: center;
        transition: transform 0.5s ease;
        background: #f5f5f5;
    }
    
    .exhibition-card:hover .exhibition-image img {
        transform: translate(-50%, -50%) scale(1.05);
    }
    
    /* Year Badge */
    .year-badge {
        position: absolute;
        top: clamp(15px, 2vw, 20px);
        left: clamp(15px, 2vw, 20px);
        background: linear-gradient(135deg, #30A0FF, #1e7acc);
        color: #fff;
        padding: clamp(8px, 1.5vw, 10px) clamp(18px, 3vw, 24px);
        border-radius: 30px;
        font-weight: 700;
        font-size: clamp(0.95rem, 1.8vw, 1.1rem);
        box-shadow: 0 4px 15px rgba(48, 160, 255, 0.4);
        z-index: 1;
    }
    
    /* Exhibition Info Section */
    .exhibition-info {
        padding: clamp(20px, 4vw, 30px);
        background: linear-gradient(to bottom, #fff, #fafbfc);
    }
    
    .exhibition-info h2 {
        font-size: clamp(1.2rem, 2.5vw, 1.5rem);
        color: #222;
        margin-bottom: clamp(10px, 1.5vw, 12px);
        font-weight: 700;
        line-height: 1.4;
    }
    
    .exhibition-location {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: #30A0FF;
        font-weight: 600;
        margin-bottom: clamp(10px, 2vw, 14px);
        font-size: clamp(0.9rem, 1.6vw, 0.95rem);
    }
    
    .exhibition-location::before {
        content: '📍';
        font-size: 1.1em;
    }
    
    .exhibition-info p {
        color: #555;
        line-height: 1.7;
        font-size: clamp(0.9rem, 1.6vw, 0.98rem);
    }
    
    /* Lightbox Modal */
    .lightbox {
        display: none;
        position: fixed;
        z-index: 9999;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.95);
        justify-content: center;
        align-items: center;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .lightbox.active {
        display: flex;
        opacity: 1;
    }
    
    .lightbox-content {
        position: relative;
        max-width: 95%;
        max-height: 95vh;
        animation: zoomIn 0.3s ease;
    }
    
    @keyframes zoomIn {
        from {
            transform: scale(0.8);
            opacity: 0;
        }
        to {
            transform: scale(1);
            opacity: 1;
        }
    }
    
    .lightbox-content img {
        width: auto;
        height: auto;
        max-width: 100%;
        max-height: 95vh;
        object-fit: contain;
        border-radius: 8px;
        box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    }
    
    .lightbox-close {
        position: absolute;
        top: -50px;
        right: 0;
        color: #fff;
        font-size: clamp(32px, 5vw, 40px);
        font-weight: 300;
        cursor: pointer;
        transition: all 0.3s ease;
        width: 45px;
        height: 45px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
    }
    
    .lightbox-close:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: rotate(90deg);
    }
    
    .lightbox-caption {
        position: absolute;
        bottom: -60px;
        left: 0;
        right: 0;
        color: #fff;
        text-align: center;
        font-size: clamp(0.95rem, 2vw, 1.1rem);
        padding: 0 20px;
    }
    
    /* CTA Section */
    .cta-section {
        text-align: center;
        margin-top: clamp(60px, 10vw, 100px);
        padding: clamp(40px, 7vw, 70px) clamp(20px, 4vw, 30px);
        background: linear-gradient(135deg, rgba(48, 160, 255, 0.08), rgba(30, 122, 204, 0.08));
        border-radius: clamp(16px, 3vw, 24px);
        border: 2px solid rgba(48, 160, 255, 0.2);
    }
    
    .cta-section h2 {
        font-size: clamp(1.6rem, 3.5vw, 2.2rem);
        color: #222;
        margin-bottom: clamp(14px, 2vw, 18px);
        font-weight: 700;
    }
    
    .cta-section p {
        font-size: clamp(1rem, 2vw, 1.15rem);
        color: #555;
        margin-bottom: clamp(25px, 4vw, 35px);
        line-height: 1.7;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .cta-buttons {
        display: flex;
        gap: clamp(15px, 2vw, 20px);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .cta-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        padding: clamp(14px, 2.5vw, 18px) clamp(30px, 5vw, 45px);
        background: linear-gradient(135deg, #30A0FF, #1e7acc);
        color: #fff;
        text-decoration: none;
        border-radius: 50px;
        font-size: clamp(0.95rem, 1.8vw, 1.05rem);
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 6px 20px rgba(48, 160, 255, 0.35);
        border: 2px solid transparent;
        min-width: clamp(240px, 35vw, 280px);
    }
    
    .cta-btn:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 35px rgba(48, 160, 255, 0.45);
        background: linear-gradient(135deg, #1e7acc, #30A0FF);
    }
    
    .cta-btn::before {
        content: '✉️';
        font-size: 1.4em;
    }
    
    .cta-btn.whatsapp::before {
        content: '💬';
    }
    
    /* Responsive Design - Tablet & Mobile */
    @media (max-width: 1024px) {
        .exhibition-card {
            max-width: 90%;
        }
        
        .timeline-item.left,
        .timeline-item.right {
            padding-right: calc(50% + 20px);
            padding-left: calc(50% + 20px);
        }
    }
    
    @media (max-width: 768px) {
        /* Mobile Timeline - Left Aligned */
        .timeline-container::before {
            left: 20px;
        }
        
        .timeline-item.left,
        .timeline-item.right {
            justify-content: flex-start;
            padding: 0 0 0 50px;
        }
        
        .timeline-dot {
            left: 20px;
            top: clamp(150px, 25vw, 200px);
        }
        
        .exhibition-card {
            max-width: 100%;
        }
        
        .exhibition-image {
            padding-top: 75%; /* 4:3 Aspect Ratio on Mobile */
        }
        
        .lightbox-close {
            top: 20px;
            right: 20px;
        }
        
        .lightbox-caption {
            position: relative;
            bottom: auto;
            margin-top: 20px;
        }
    }
    
    /* Small Mobile Devices */
    @media (max-width: 480px) {
        .exhibition-timeline {
            padding: 20px 10px;
        }
        
        .timeline-header {
            margin-bottom: 30px;
        }
        
        .cta-buttons {
            flex-direction: column;
            align-items: stretch;
        }
        
        .cta-btn {
            width: 100%;
            min-width: auto;
        }
    }
    
    /* High Resolution Displays */
    @media (min-width: 1400px) {
        .exhibition-timeline {
            max-width: 1400px;
        }
    }
    
    /* Print Styles */
    @media print {
        .lightbox,
        .cta-section {
            display: none;
        }
        
        .exhibition-card {
            page-break-inside: avoid;
        }
    }