.page-banner {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    margin-top: 70px;
}

.page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 100%);
}

.page-banner-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    color: #fff;
}

.page-banner-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 5px;
}

.breadcrumb {
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
    color: #c9a962;
}

.breadcrumb span {
    margin: 0 10px;
    color: rgba(255,255,255,0.5);
}

.section-header.left {
    text-align: left;
}

.section-header.left .title-line {
    margin: 20px 0 0;
}

.about-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #e5e5e5;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #c9a962;
    border-radius: 50%;
    top: 28px;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}

.timeline-content h3 {
    font-size: 20px;
    color: #c9a962;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #666;
    font-size: 14px;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 40px 20px;
    background: #f8f8f8;
    transition: all 0.3s ease;
}

.culture-item:hover {
    background: #c9a962;
    color: #fff;
}

.culture-icon {
    width: 80px;
    height: 80px;
    border: 2px solid #c9a962;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #c9a962;
    transition: all 0.3s ease;
}

.culture-item:hover .culture-icon {
    border-color: #fff;
    color: #fff;
}

.culture-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.culture-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.culture-item:hover p {
    color: rgba(255,255,255,0.8);
}

.team-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.team-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.team-info h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.team-info > p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.team-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.team-features li {
    text-align: center;
    padding: 20px;
    background: #f8f8f8;
}

.team-features .number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #c9a962;
    line-height: 1;
}

.team-features .text {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.certificate-item {
    text-align: center;
    padding: 40px 20px;
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

.certificate-item:hover {
    border-color: #c9a962;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    background: #f8f8f8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: 700;
    color: #c9a962;
}

.certificate-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.certificate-item p {
    font-size: 13px;
    color: #666;
}

.products-filter {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.filter-sidebar {
    background: #f8f8f8;
    padding: 30px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filter-sidebar h3 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e5e5e5;
}

.filter-list li {
    margin-bottom: 5px;
}

.filter-list li a {
    display: block;
    padding: 12px 15px;
    color: #666;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.filter-list li:hover a,
.filter-list li.active a {
    color: #c9a962;
    border-color: #c9a962;
    background: #fff;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e5e5;
}

.results-count {
    font-size: 14px;
    color: #666;
}

.results-count strong {
    color: #c9a962;
}

.sort-options select {
    padding: 10px 15px;
    border: 1px solid #e5e5e5;
    font-size: 14px;
    cursor: pointer;
}

.products-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-item {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    overflow: hidden;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.product-item .product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-item .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.1);
}

.product-item .product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    width: 45px;
    height: 45px;
    background: #c9a962;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.product-item:hover .action-btn {
    transform: translateY(0);
}

.action-btn:hover {
    background: #b8943d;
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 5px 12px;
    background: #c9a962;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
}

.product-badge.new {
    background: #27ae60;
}

.product-badge.hot {
    background: #e74c3c;
}

.product-item .product-info {
    padding: 25px;
}

.product-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.product-subtitle {
    font-size: 13px;
    color: #999;
    margin-bottom: 15px;
}

.product-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-tags {
    display: flex;
    gap: 10px;
}

.product-tags span {
    padding: 4px 10px;
    background: #f8f8f8;
    font-size: 12px;
    color: #666;
}

.news-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 12px 30px;
    background: transparent;
    border: 1px solid #e5e5e5;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: #c9a962;
    border-color: #c9a962;
    color: #fff;
}

.news-list {
    display: grid;
    gap: 40px;
}

.news-item {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.news-item .news-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.news-item .news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-item:hover .news-image img {
    transform: scale(1.1);
}

.news-item .news-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #c9a962;
    color: #fff;
    padding: 10px 15px;
    text-align: center;
}

.news-item .news-date .day {
    display: block;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.news-item .news-date .month {
    display: block;
    font-size: 11px;
    margin-top: 5px;
}

.news-item .news-content {
    padding: 30px 30px 30px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.news-meta .category {
    padding: 4px 12px;
    background: #f8f8f8;
    font-size: 12px;
    color: #c9a962;
}

.news-meta .views {
    font-size: 13px;
    color: #999;
}

.news-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.page-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e5e5e5;
    font-size: 14px;
    transition: all 0.3s ease;
}

.page-btn:hover,
.page-btn.active {
    background: #c9a962;
    border-color: #c9a962;
    color: #fff;
}

.subscribe-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 30px auto 0;
}

.subscribe-form input {
    flex: 1;
    padding: 15px 20px;
    border: 1px solid rgba(255,255,255,0.3);
    background: transparent;
    color: #fff;
    font-size: 14px;
}

.subscribe-form input::placeholder {
    color: rgba(255,255,255,0.7);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.info-cards {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}

.info-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: #f8f8f8;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: #c9a962;
    color: #fff;
}

.info-icon {
    width: 60px;
    height: 60px;
    background: #c9a962;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.info-card:hover .info-icon {
    background: #fff;
    color: #c9a962;
}

.info-content h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.info-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.info-card:hover .info-content p {
    color: rgba(255,255,255,0.8);
}

.qr-codes {
    display: flex;
    gap: 30px;
}

.qr-item {
    text-align: center;
}

.qr-image {
    width: 120px;
    height: 120px;
    background: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    color: #999;
}

.qr-item p {
    font-size: 13px;
    color: #666;
}

.contact-form-section .contact-form {
    background: #f8f8f8;
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
}

.form-group label span {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e5e5e5;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #c9a962;
    outline: none;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: normal;
}

.form-group.checkbox a {
    color: #c9a962;
}

.map-section {
    height: 400px;
    background: #f8f8f8;
}

.map-container {
    height: 100%;
}

.map-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f8f8 0%, #e5e5e5 100%);
}

.map-content {
    text-align: center;
}

.map-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.map-content p {
    color: #666;
    margin-bottom: 20px;
}

.map-icon {
    width: 80px;
    height: 80px;
    background: #c9a962;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 18px;
}

.map-tip {
    font-size: 13px;
    color: #999;
}

.branches-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.branch-item {
    padding: 30px;
    background: #fff;
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

.branch-item:hover {
    border-color: #c9a962;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.branch-item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #c9a962;
}

.branch-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

@media (max-width: 1200px) {
    .products-masonry {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid,
    .certificates-grid,
    .branches-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .about-intro-content,
    .team-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .products-filter {
        grid-template-columns: 1fr;
    }
    
    .filter-sidebar {
        position: static;
    }
    
    .news-item {
        grid-template-columns: 1fr;
    }
    
    .news-item .news-image {
        height: 200px;
    }
    
    .news-item .news-content {
        padding: 30px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 60px;
        padding-right: 20px;
    }
    
    .timeline-dot {
        left: 12px !important;
        right: auto !important;
    }
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.gallery-main {
    position: relative;
    margin-bottom: 15px;
    overflow: hidden;
    cursor: zoom-in;
}

.gallery-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-main:hover img {
    transform: scale(1.02);
}

.gallery-zoom {
    position: absolute;
    bottom: 15px;
    right: 15px;
    padding: 8px 15px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 12px;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
}

.gallery-thumbs .thumb {
    width: 80px;
    height: 80px;
    cursor: pointer;
    border: 2px solid transparent;
    overflow: hidden;
    transition: all 0.3s ease;
}

.gallery-thumbs .thumb:hover,
.gallery-thumbs .thumb.active {
    border-color: #c9a962;
}

.gallery-thumbs .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-detail {
    padding: 20px 0;
}

.product-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e5e5;
}

.product-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.product-name-en {
    font-size: 16px;
    color: #999;
    font-style: italic;
}

.product-badges {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.product-badges .badge {
    padding: 5px 15px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
}

.product-badges .badge.hot {
    background: #e74c3c;
}

.product-badges .badge.new {
    background: #27ae60;
}

.product-price {
    background: #f8f8f8;
    padding: 20px;
    margin-bottom: 25px;
}

.price-label {
    font-size: 14px;
    color: #666;
}

.price-value {
    font-size: 28px;
    color: #c9a962;
    margin-left: 10px;
}

.price-value strong {
    font-size: 36px;
}

.price-note {
    font-size: 12px;
    color: #999;
    margin-left: 15px;
}

.product-meta {
    margin-bottom: 25px;
}

.meta-item {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px dashed #e5e5e5;
}

.meta-label {
    width: 100px;
    color: #666;
    font-size: 14px;
}

.meta-value {
    flex: 1;
    font-size: 14px;
}

.meta-value a {
    color: #c9a962;
}

.meta-value a:hover {
    text-decoration: underline;
}

.product-short-desc {
    margin-bottom: 25px;
}

.product-short-desc p {
    color: #666;
    line-height: 1.8;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 15px;
}

.btn-favorite {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 25px;
    background: #f8f8f8;
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-favorite:hover {
    background: #c9a962;
    color: #fff;
}

.btn-favorite .icon {
    font-size: 18px;
}

.btn-favorite.favorited {
    background: #e74c3c;
    color: #fff;
}

.btn-favorite.favorited .icon::before {
    content: '♥';
}

.product-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

.product-share span {
    font-size: 14px;
    color: #666;
}

.share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f8f8;
    color: #666;
    font-size: 12px;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: #c9a962;
    color: #fff;
}

.product-tabs .tabs-header {
    display: flex;
    gap: 0;
    margin-bottom: 30px;
    border-bottom: 1px solid #e5e5e5;
}

.product-tabs .tab-btn {
    padding: 15px 30px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.product-tabs .tab-btn:hover,
.product-tabs .tab-btn.active {
    color: #c9a962;
    border-bottom-color: #c9a962;
}

.tabs-content .tab-panel {
    display: none;
}

.tabs-content .tab-panel.active {
    display: block;
}

.description-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    margin-top: 30px;
}

.description-content h3:first-child {
    margin-top: 0;
}

.description-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #c9a962;
}

.specs-table {
    overflow-x: auto;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th,
.specs-table td {
    padding: 15px 20px;
    border: 1px solid #e5e5e5;
    text-align: left;
}

.specs-table th {
    background: #f8f8f8;
    font-weight: 500;
    width: 25%;
}

.specs-table td {
    color: #666;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.application-item {
    text-align: center;
}

.application-image {
    height: 200px;
    overflow: hidden;
    margin-bottom: 15px;
}

.application-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.application-item:hover .application-image img {
    transform: scale(1.1);
}

.application-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.application-item p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-item {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.case-item:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-item:hover .case-image img {
    transform: scale(1.1);
}

.case-info {
    padding: 20px;
}

.case-info h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.case-info p {
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.inquiry-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.inquiry-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.inquiry-form .form-group {
    margin-bottom: 20px;
}

.inquiry-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
}

.inquiry-form label span {
    color: #e74c3c;
}

.inquiry-form input,
.inquiry-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e5e5e5;
    font-size: 14px;
    transition: all 0.3s ease;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
    border-color: #c9a962;
    outline: none;
}

.inquiry-form .btn-lg {
    width: 100%;
    margin-top: 10px;
}

.image-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.image-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.image-lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.image-lightbox .close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.image-lightbox .close-btn:hover {
    color: #c9a962;
}

@media (max-width: 1200px) {
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: static;
    }
    
    .gallery-main img {
        height: 400px;
    }
    
    .product-tabs .tabs-header {
        flex-wrap: wrap;
    }
    
    .product-tabs .tab-btn {
        flex: 1;
        text-align: center;
        padding: 12px 15px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .page-banner {
        height: 300px;
    }
    
    .page-banner-content h1 {
        font-size: 36px;
    }
    
    .products-masonry {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .culture-grid,
    .certificates-grid,
    .branches-grid {
        grid-template-columns: 1fr;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .gallery-main img {
        height: 300px;
    }
    
    .gallery-thumbs .thumb {
        width: 60px;
        height: 60px;
    }
    
    .product-header h1 {
        font-size: 26px;
    }
    
    .price-value {
        font-size: 24px;
    }
    
    .price-value strong {
        font-size: 30px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    .application-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .inquiry-form-wrapper {
        padding: 20px;
    }
    
    .inquiry-form .form-row {
        grid-template-columns: 1fr;
    }
}