/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Product Page Styles */
.product-hero {
    position: relative;
    height: 400px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/b4.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
}

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

.breadcrumb span.active {
    color: #FFA500;
}

.breadcrumb i {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

.product-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
}

.product-sidebar {
    background: white;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    height: fit-content;
    position: sticky;
    top: 100px;
    border: 1px solid #e9ecef;
}

.product-sidebar h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 0;
    padding: 18px 20px;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
    letter-spacing: 1px;
}

.product-categories {
    list-style: none;
    margin: 0;
    padding: 0;
}

.product-categories li {
    margin-bottom: 0;
    border-bottom: 1px solid #e9ecef;
}

.product-categories li:last-child {
    border-bottom: none;
}

.product-categories a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    padding: 14px 20px;
    border-radius: 0;
    transition: all 0.3s ease;
    border: none;
    background: white;
}

.product-categories a:hover {
    background: #f8f9fa;
    color: #333;
}

.product-categories a.active {
    background: #f0f0f0;
    color: #333;
    font-weight: 500;
    position: relative;
}

.product-categories a.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #FFA500;
}

.product-categories a i {
    font-size: 12px;
    opacity: 0.6;
    color: #666;
}

/* Sidebar Submenu */
.has-submenu {
    position: relative;
}

.has-submenu .category-link {
    position: relative;
}

.has-submenu .category-link i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.has-submenu:hover .category-link i {
    transform: translateY(-50%) rotate(90deg);
}

.submenu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #f8f9fa;
}

.has-submenu:hover .submenu-list {
    max-height: 300px;
}

.submenu-list li {
    border-bottom: 1px solid #e9ecef;
}

.submenu-list li:last-child {
    border-bottom: none;
}

.submenu-list a {
    display: block;
    color: #666;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    padding: 12px 35px;
    transition: all 0.3s ease;
    border: none;
    background: transparent;
    position: relative;
}

.submenu-list a:hover {
    background: #e9ecef;
    color: #333;
    padding-left: 40px;
}

.submenu-list a::before {
    content: '—';
    position: absolute;
    left: 25px;
    color: #999;
    font-size: 12px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 245px);
    gap: 20px;
    justify-content: start;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e9ecef;
    text-align: center;
    width: 245px;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-color: #FFA500;
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    flex-shrink: 0;
    text-decoration: none;
    color: inherit;
}

.product-title-link {
    text-decoration: none;
    color: inherit;
}

.product-title-link:hover {
    color: #FFA500;
}

.product-title-link h4 {
    transition: color 0.3s ease;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

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

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.product-specs {
    margin-bottom: 15px;
    flex: 1;
}

.product-specs p {
    color: #666;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 4px;
}

.product-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.btn-request, .btn-more {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-request {
    background: #FFA500;
    color: white;
    flex: 2;
}

.btn-request:hover {
    background: #FF8C00;
    transform: translateY(-1px);
}

.btn-more {
    background: #FFA500;
    color: white;
    flex: 1;
    font-size: 11px;
    text-transform: none;
}

.btn-more:hover {
    background: #FF8C00;
    transform: translateY(-1px);
}

/* Product Detail Page Styles */
.product-detail-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
}

.product-detail-main {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

/* Product Header */
.product-header {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    padding: 40px;
    border-bottom: 1px solid #e9ecef;
}

.product-gallery .main-image {
    width: 100%;
    height: 400px;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.product-gallery .main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.thumbnail-gallery .thumb {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    object-fit: cover;
    transition: border-color 0.3s ease;
}

.thumbnail-gallery .thumb.active,
.thumbnail-gallery .thumb:hover {
    border-color: #FFA500;
}

.product-info-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.product-title .product-category {
    color: #666;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-title h1 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin: 10px 0 0 0;
}

/* VR Badge Styles */
.vr-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #FF6B35, #FF8E53);
    border-radius: 25px;
    width: fit-content;
}

.vr-icon {
    background: white;
    color: #FF6B35;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 50%;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vr-text {
    color: white;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

.product-specs-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.spec-label {
    color: #666;
    font-weight: 500;
}

.spec-value {
    color: #333;
    font-weight: 600;
}

.product-actions-panel {
    display: flex;
    gap: 15px;
}

.btn-request-quote,
.btn-product-more {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-request-quote {
    background: #FFA500;
    color: white;
}

.btn-request-quote:hover {
    background: #FF8C00;
    transform: translateY(-1px);
}

.btn-product-more {
    background: transparent;
    color: #FFA500;
    border: 2px solid #FFA500;
}

.btn-product-more:hover {
    background: #FFA500;
    color: white;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
}

.contact-item i {
    color: #FFA500;
    width: 20px;
}

/* Product Tabs */
.product-tabs {
    background: white;
}

.tab-navigation {
    display: flex;
    border-bottom: 1px solid #e9ecef;
}

.tab-btn {
    padding: 20px 30px;
    background: none;
    border: none;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-btn.active,
.tab-btn:hover {
    color: #FFA500;
    border-bottom-color: #FFA500;
}

.tab-content {
    padding: 40px;
}

.tab-panel {
    display: none;
}

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

.main-content-area {
    display: none;
}

.main-content-area.active {
    display: block;
}

.tab-panel h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.overview-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.overview-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.overview-item p {
    color: #666;
    line-height: 1.6;
}

/* Specifications Table */
.spec-table table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table td {
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
}

.spec-table td:first-child {
    color: #666;
    font-weight: 500;
    width: 40%;
}

.spec-table td:last-child {
    color: #333;
    font-weight: 600;
}

/* Accessories Grid */
.accessories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.accessory-item {
    text-align: center;
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.accessory-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.accessory-item img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 15px;
}

.accessory-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.accessory-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* Advantages Section */
.advantages-section {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.advantage-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    align-items: center;
}

.advantage-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.advantage-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.advantage-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

/* Recommended Section */
.recommended-section {
    padding: 40px;
    border-top: 1px solid #e9ecef;
}

.recommended-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

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

.recommended-item {
    text-align: center;
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.recommended-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.recommended-item img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.recommended-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.recommended-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* Reviews Section */
.reviews-section {
    padding: 40px;
    border-top: 1px solid #e9ecef;
}

.reviews-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.review-item {
    padding: 25px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background: #fafafa;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: #FFA500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.reviewer-details h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.rating {
    display: flex;
    gap: 2px;
}

.rating i {
    color: #FFA500;
    font-size: 14px;
}

.review-item p {
    color: #666;
    line-height: 1.6;
    font-style: italic;
}

/* About Page Styles */
.about-hero {
    position: relative;
    height: 400px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/b4.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.about-hero .hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #FFA500;
}

.about-hero .hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

/* Company Introduction */
.company-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.section-badge {
    display: inline-block;
    background: #FFA500;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.intro-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.2;
    margin-bottom: 40px;
}

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

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #FFA500;
    margin-bottom: 10px;
}

.stat-number sub {
    font-size: 24px;
    vertical-align: super;
}

.stat-label {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

.intro-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
}

/* Qualifications Section */
.qualifications-section {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    color: #666;
    font-size: 18px;
}

.certificates-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 80px;
}

.certificates-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
}

.certificate-item {
    flex: 0 0 200px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 20px;
    transition: all 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.certificate-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 5px;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 165, 0, 0.9);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
}

.carousel-nav:hover {
    background: #FFA500;
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 15px;
}

.carousel-nav.next {
    right: 15px;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

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

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-image img {
    transform: scale(1.1);
}

.feature-content {
    padding: 30px;
    text-align: center;
}

.feature-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.feature-content p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* Customer Reviews Section */
.customer-reviews {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
    z-index: 1;
}

.customer-reviews .section-title {
    font-size: 42px;
    font-weight: 700;
    color: #333 !important;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    width: 100%;
}

.customer-reviews .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #FFA500;
}

.customer-reviews .section-subtitle {
    text-align: center;
    color: #666;
    font-size: 18px;
    margin-bottom: 60px;
    font-weight: 400;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    width: 100%;
    max-width: 100%;
}

.review-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #eee;
    display: block;
    width: 100%;
    min-height: 200px;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: #FFA500;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.customer-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.customer-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FFA500, #FF8C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.customer-details h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.customer-details p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.rating {
    display: flex;
    gap: 3px;
}

.rating i {
    color: #FFD700;
    font-size: 16px;
}

.review-content {
    margin-bottom: 20px;
}

.review-content p {
    color: #555;
    line-height: 1.6;
    font-size: 15px;
    font-style: italic;
    margin: 0;
}

.review-product {
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.review-product span {
    background: #FFA500;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reviews-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #FFA500;
    margin-bottom: 10px;
}

.stat-label {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.stat-stars {
    display: flex;
    justify-content: center;
    gap: 3px;
}

.stat-stars i {
    color: #FFD700;
    font-size: 18px;
}

/* News Page Styles */
.news-hero {
    position: relative;
    height: 500px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/b4.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 0;
}

/* News Main Section */
.news-main {
    background: #f8f9fa;
    padding: 80px 0;
    min-height: 100vh;
}

.news-hero .hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.news-hero .hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #FFA500;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.news-hero .hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* News Content */
.news-content {
    padding: 80px 0 40px 0;
    background: #f8f9fa;
}

/* News Filter */
.news-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    gap: 30px;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover,
.filter-tab.active {
    background: #FFA500;
    border-color: #FFA500;
    color: white;
}

.news-search {
    display: flex;
    gap: 10px;
}

.search-input {
    padding: 12px 20px;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    outline: none;
    width: 250px;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: #FFA500;
}

.search-btn {
    padding: 12px 20px;
    background: #FFA500;
    border: none;
    border-radius: 25px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: #e69500;
    transform: scale(1.05);
}

/* Featured News */
.featured-news {
    margin-bottom: 80px;
}

.featured-news h2 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

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

.featured-article {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.featured-article:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

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

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.featured-article:hover .article-image img {
    transform: scale(1.1);
}

.article-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 165, 0, 0.9);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.article-content {
    padding: 30px;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #FFA500;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #e69500;
    gap: 12px;
}

/* News Grid */
.news-grid h2 {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 60px;
    text-align: center;
}

.news-articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-bottom: 80px;
    width: 100%;
}

.news-article {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    width: 100%;
    max-width: none;
    display: flex;
    flex-direction: column;
    height: auto;
}

.news-article:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.article-thumbnail {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-article:hover .article-thumbnail img {
    transform: scale(1.1);
}

.article-date-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.article-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-category-tag {
    display: inline-block;
    background: rgba(255, 165, 0, 0.1);
    color: #FFA500;
    padding: 6px 16px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
}

.article-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.3;
}

.article-info p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.read-time {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #999;
}

.article-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #FFA500;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.article-link:hover {
    background: #e69500;
    transform: scale(1.1);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.page-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: #FFA500;
    border-color: #FFA500;
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-number {
    width: 40px;
    height: 40px;
    border: 2px solid #e9ecef;
    background: white;
    border-radius: 8px;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-number:hover,
.page-number.active {
    background: #FFA500;
    border-color: #FFA500;
    color: white;
}

.page-dots {
    color: #999;
    font-weight: 500;
}

/* Newsletter Subscription */
.newsletter-section {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 80px 0;
    color: white;
    margin-top: 40px;
}

.newsletter-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.newsletter-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.newsletter-info p {
    font-size: 16px;
    opacity: 0.9;
}

.newsletter-form {
    flex-shrink: 0;
}

.input-group {
    display: flex;
    gap: 0;
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.input-group input {
    padding: 15px 25px;
    border: none;
    outline: none;
    font-size: 16px;
    width: 300px;
}

.input-group button {
    padding: 15px 30px;
    background: #FFA500;
    border: none;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.input-group button:hover {
    background: #e69500;
}

/* New News Content Styles */
.news-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    gap: 40px;
    flex-wrap: wrap;
}

.category-filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 30px;
    color: #666;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.category-btn:hover,
.category-btn.active {
    background: #FFA500;
    border-color: #FFA500;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

.search-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-wrapper {
    position: relative;
    display: flex;
    background: white;
    border-radius: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow: hidden;
}

.news-search-input {
    padding: 14px 20px;
    border: none;
    outline: none;
    font-size: 14px;
    width: 280px;
    background: transparent;
}

.search-button {
    padding: 14px 20px;
    background: #FFA500;
    border: none;
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-button:hover {
    background: #e69500;
}

.sort-dropdown {
    position: relative;
}

.sort-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 30px;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.sort-btn:hover {
    border-color: #FFA500;
    color: #FFA500;
}

/* News Section */
.news-section {
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 44px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

/* Article Cards */
.article-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.article-card.featured {
    grid-column: span 2;
}

.card-header {
    padding: 20px 25px 0;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.category-label {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-label.product { background: rgba(255, 165, 0, 0.1); color: #FFA500; }
.category-label.company { background: rgba(52, 152, 219, 0.1); color: #3498db; }
.category-label.events { background: rgba(155, 89, 182, 0.1); color: #9b59b6; }
.category-label.industry { background: rgba(46, 204, 113, 0.1); color: #2ecc71; }

.publish-date {
    font-size: 11px;
    color: #999;
    font-weight: 500;
}

.card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    margin: 0 25px 20px;
    border-radius: 15px;
}

.article-card.featured .card-image {
    height: 300px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article-card:hover .card-image img {
    transform: scale(1.08);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.article-card:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    color: white;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.overlay-content i {
    font-size: 48px;
    color: #FFA500;
}

.overlay-content span {
    font-weight: 600;
    font-size: 16px;
}

.card-content {
    padding: 0 25px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 14px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card.featured .article-title {
    font-size: 16px;
    -webkit-line-clamp: 3;
}

.article-excerpt {
    color: #666;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px 0;
    border-top: 1px solid #f1f3f4;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #999;
}

.stat-item i {
    color: #FFA500;
}

.card-footer {
    padding: 20px 25px;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: #FFA500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.author-role {
    font-size: 12px;
    color: #999;
}

.read-more-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #FFA500;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.read-more-btn:hover {
    background: #e69500;
    transform: translateX(5px);
    gap: 12px;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    padding: 40px 0;
    border-top: 2px solid #e9ecef;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
    margin-bottom: 15px;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.4);
}

.pagination-info {
    font-size: 14px;
    color: #666;
}

/* News Detail Page Styles */
.breadcrumb-section {
    background: #f8f9fa;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #FFA500;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #ccc;
}

.breadcrumb .current {
    color: #FFA500;
    font-weight: 600;
}

/* Article Main */
.article-main {
    background: white;
    padding: 60px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Article Content */
.article-content {
    background: white;
}

.article-header {
    margin-bottom: 40px;
}

.article-category {
    margin-bottom: 20px;
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-tag.company {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
}

.article-title {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    line-height: 1.2;
    margin-bottom: 20px;
}

.article-subtitle {
    font-size: 20px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    border-top: 2px solid #f1f3f4;
    border-bottom: 2px solid #f1f3f4;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-details h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.author-details p {
    font-size: 14px;
    color: #666;
}

.publish-info {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: #666;
}

.publish-info > div {
    display: flex;
    align-items: center;
    gap: 6px;
}

.publish-info i {
    color: #FFA500;
}

/* Featured Image */
.featured-image {
    margin: 40px 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-caption {
    padding: 20px;
    background: #f8f9fa;
    border-top: 3px solid #FFA500;
}

.image-caption p {
    font-size: 14px;
    color: #666;
    font-style: italic;
    margin: 0;
}

/* Article Body */
.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.article-lead {
    font-size: 18px;
    color: #555;
    font-weight: 500;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-left: 4px solid #FFA500;
    border-radius: 8px;
}

.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #FFA500;
}

.article-body p {
    margin-bottom: 20px;
}

.content-list {
    margin: 20px 0;
    padding-left: 0;
}

.content-list li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    list-style: none;
}

.content-list li::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: #FFA500;
    font-weight: bold;
}

.article-quote {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 5px solid #FFA500;
    border-radius: 10px;
    position: relative;
}

.article-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 60px;
    color: #FFA500;
    font-family: serif;
}

.article-quote p {
    font-size: 18px;
    font-style: italic;
    color: #555;
    margin-bottom: 15px;
    padding-left: 20px;
}

.article-quote cite {
    font-size: 14px;
    color: #888;
    font-weight: 600;
    padding-left: 20px;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 30px 0;
}

.benefit-item {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    border: 1px solid #f1f3f4;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.benefit-icon i {
    font-size: 20px;
    color: white;
}

.benefit-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.benefit-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Stats Section */
.stats-section {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
    margin: 40px 0;
    text-align: center;
}

.stats-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

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

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #FFA500;
    margin-bottom: 8px;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* Article Conclusion */
.article-conclusion {
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    color: white;
    padding: 25px;
    border-radius: 12px;
    margin: 40px 0;
}

.article-conclusion p {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

/* Article Footer */
.article-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid #f1f3f4;
}

.article-tags {
    margin-bottom: 30px;
}

.article-tags h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

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

.tag {
    padding: 6px 16px;
    background: #f8f9fa;
    color: #666;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #FFA500;
    color: white;
}

.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.social-share h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn.facebook { background: #3b5998; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.email { background: #666; }

.article-engagement {
    display: flex;
    gap: 15px;
}

.engagement-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.engagement-btn:hover {
    background: #FFA500;
    border-color: #FFA500;
    color: white;
}

/* Sidebar Styles */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid #f1f3f4;
}

.sidebar-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #FFA500;
}

/* Author Card */
.author-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.author-avatar.large {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

.author-profile .author-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.author-title {
    font-size: 14px;
    color: #FFA500;
    font-weight: 600;
    margin-bottom: 15px;
}

.author-bio {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.author-social {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.social-link {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #FFA500;
    color: white;
}

/* Related Articles */
.related-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-item {
    display: flex;
    gap: 15px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f3f4;
}

.related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-image {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content {
    flex: 1;
}

.related-category {
    font-size: 12px;
    color: #FFA500;
    font-weight: 600;
    text-transform: uppercase;
}

.related-content h4 {
    margin: 5px 0;
}

.related-content h4 a {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    line-height: 1.3;
}

.related-content h4 a:hover {
    color: #FFA500;
}

.related-date {
    font-size: 12px;
    color: #999;
}

/* Newsletter Card */
.newsletter-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.newsletter-form input {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-form input:focus {
    border-color: #FFA500;
}

.newsletter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: #FFA500;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-btn:hover {
    background: #e69500;
}

/* Quick Links */
.links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.links-list li {
    list-style: none;
}

.links-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.links-list a:hover {
    color: #FFA500;
    padding-left: 10px;
}

.links-list a i {
    font-size: 12px;
    color: #FFA500;
}

/* Contact Page Styles */
.contact-hero {
    position: relative;
    height: 500px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/b4.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 0;
}

.contact-hero .hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.contact-hero .hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #FFA500;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.contact-hero .hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Contact Content */
.contact-content {
    background: #f8f9fa;
    padding: 80px 0;
}

/* Contact Information Cards */
.contact-info-section {
    margin-bottom: 80px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid #f1f3f4;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.contact-icon i {
    font-size: 32px;
    color: white;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.contact-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* Contact Form Section */
.contact-form-section {
    margin-bottom: 80px;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.main-contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px 18px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FFA500;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 165, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    text-align: center;
    margin-top: 20px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.4);
}

/* Map Section */
.map-section {
    margin-bottom: 80px;
}

.map-container {
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.map-placeholder {
    background: white;
    min-height: 400px;
}

.map-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.map-info {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: white;
}

.map-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.map-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.map-address {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #FFA500;
}

.map-address i {
    color: #FFA500;
    font-size: 18px;
    margin-top: 2px;
}

.map-address span {
    color: #555;
    font-weight: 500;
    line-height: 1.5;
}

.directions-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: #FFA500;
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.directions-btn:hover {
    background: #e69500;
    transform: translateY(-2px);
}

.map-image {
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.map-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Additional Info Section */
.additional-info {
    margin-bottom: 40px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.info-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid #f1f3f4;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.info-icon i {
    font-size: 24px;
    color: white;
}

.info-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

/* Business Hours */
.hours-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f1f3f4;
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-item span:first-child {
    color: #555;
    font-weight: 500;
}

.hours-item span:last-child {
    color: #333;
    font-weight: 600;
}

.timezone-note {
    font-size: 12px;
    color: #999;
    font-style: italic;
}

/* Support List */
.support-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.support-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.support-item i {
    color: #2ecc71;
    font-size: 14px;
}

.support-item span {
    color: #555;
    font-weight: 500;
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-link:hover {
    background: #f8f9fa;
    border-color: #FFA500;
}

.social-link.whatsapp {
    color: #25d366;
}

.social-link.wechat {
    color: #00c800;
}

.social-link.linkedin {
    color: #0077b5;
}

.social-link.email {
    color: #666;
}

.social-link i {
    font-size: 18px;
}

.social-link span {
    font-weight: 500;
}

/* Footer Contact Form */
.footer-contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-form input,
.footer-contact-form textarea {
    padding: 10px 12px;
    border: 1px solid #444;
    border-radius: 5px;
    background: #2a2a2a;
    color: white;
    font-size: 14px;
}

.footer-contact-form input::placeholder,
.footer-contact-form textarea::placeholder {
    color: #aaa;
}

.footer-contact-form button {
    padding: 12px;
    background: #FFA500;
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.footer-contact-form button:hover {
    background: #e69500;
}

/* Contact Page Mobile Responsive */
@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .form-container {
        padding: 30px 20px;
    }

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

    .map-content {
        grid-template-columns: 1fr;
    }

    .map-info {
        padding: 30px 20px;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .info-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .contact-hero .hero-content h1 {
        font-size: 32px;
    }

    .contact-card {
        padding: 30px 20px;
    }

    .contact-icon {
        width: 60px;
        height: 60px;
    }

    .contact-icon i {
        font-size: 24px;
    }

    .form-container {
        padding: 25px 15px;
    }

    .map-info {
        padding: 25px 15px;
    }
}

/* News Detail Page Mobile Responsive */
@media (max-width: 768px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-title {
        font-size: 32px;
    }

    .article-subtitle {
        font-size: 18px;
    }

    .article-meta {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .article-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
    }

    .sidebar-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 28px;
    }

    .featured-image img {
        height: 250px;
    }

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

    .share-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* News Page Mobile Responsive */
@media (max-width: 768px) {
    .news-controls {
        flex-direction: column;
        gap: 30px;
        align-items: stretch;
    }

    .category-filters {
        justify-content: center;
        gap: 10px;
    }

    .category-btn {
        padding: 12px 20px;
        font-size: 13px;
    }

    .search-controls {
        flex-direction: column;
        gap: 15px;
    }

    .news-search-input {
        width: 100%;
    }

    .section-title {
        font-size: 32px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .article-card.featured {
        grid-column: span 1;
    }

    .card-footer {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .newsletter-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .input-group {
        flex-direction: column;
        border-radius: 12px;
    }

    .input-group input {
        width: 100%;
        border-radius: 12px 12px 0 0;
    }

    .input-group button {
        border-radius: 0 0 12px 12px;
    }
}

@media (max-width: 480px) {
    .news-hero .hero-content h1 {
        font-size: 32px;
    }

    .filter-tabs {
        flex-wrap: wrap;
        gap: 8px;
    }

    .filter-tab {
        padding: 8px 12px;
        font-size: 12px;
    }

    .featured-news h2,
    .news-grid h2 {
        font-size: 24px;
    }

    .article-content {
        padding: 20px;
    }

    .article-info {
        padding: 20px;
    }
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Header Styles */
.header {
    background-color: #333333;
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: #FFA500;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 2px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    max-width: 200px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #FFA500;
}

/* Desktop Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown > a i {
    margin-left: 5px;
    font-size: 10px;
    transition: transform 0.3s ease;
}

.dropdown:hover > a i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #2a2a2a;
    min-width: 240px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border-radius: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid #404040;
    display: block !important;
    flex-direction: column !important;
    gap: 0 !important;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
    margin: 0;
    padding: 0;
    display: block !important;
    width: 100%;
}

.dropdown-menu li a {
    display: block;
    padding: 15px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    border-bottom: 1px solid #404040;
    position: relative;
}

.dropdown-menu li:last-child a {
    border-bottom: none;
}

.dropdown-menu li a:hover {
    background: #FFA500;
    color: #ffffff;
    transform: translateX(5px);
}

.dropdown-menu li:not(.has-submenu) a::after {
    content: '>';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.dropdown-menu li:not(.has-submenu) a:hover::after {
    opacity: 1;
    right: 15px;
}

/* Third Level Submenu */
.has-submenu {
    position: relative;
}

.has-submenu > a i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.has-submenu:hover > a i {
    opacity: 1;
    right: 15px;
}

.submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background: #1a1a1a;
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid #404040;
    display: block !important;
    gap: 0 !important;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.submenu li {
    list-style: none;
    margin: 0;
    padding: 0;
    display: block !important;
    width: 100%;
}

.submenu li a {
    display: block;
    padding: 12px 18px;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.3s ease;
    white-space: nowrap;
    border-bottom: 1px solid #333;
    position: relative;
}

.submenu li:last-child a {
    border-bottom: none;
}

.submenu li a:hover {
    background: #FFA500;
    color: #ffffff;
    transform: translateX(3px);
}

.submenu li a::after {
    content: '';
}

.submenu li a:hover::after {
    content: '';
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
}

.search-box input {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 8px 35px 8px 15px;
    border-radius: 20px;
    color: white;
    width: 200px;
}

.search-box input::placeholder {
    color: rgba(255,255,255,0.7);
}

.search-box i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.7);
}

.contact-btn {
    background: #FFA500;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-btn:hover {
    background: #FF8C00;
}

/* Language Switcher */
.language-switcher {
    position: relative;
    z-index: 1001;
}

.current-language {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 80px;
    justify-content: center;
}

.current-language:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.current-language .fi {
    width: 20px;
    height: 15px;
    border-radius: 3px;
    background-size: cover;
}

.language-text {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.current-language i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.language-switcher:hover .current-language i {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.language-switcher:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: #f8f9fa;
    color: #FFA500;
}

.language-option.active {
    background: rgba(255, 165, 0, 0.1);
    color: #FFA500;
    font-weight: 600;
}

.language-option .fi {
    width: 24px;
    height: 18px;
    border-radius: 3px;
    background-size: cover;
    flex-shrink: 0;
}

.language-name {
    font-size: 14px;
    flex: 1;
}

.language-option.active::after {
    content: '✓';
    color: #FFA500;
    font-weight: bold;
    margin-left: auto;
}

/* Mobile Hamburger Menu */
.hamburger-menu {
    display: none;
    cursor: pointer;
    z-index: 1002;
}

.hamburger-menu input {
    display: none;
}

.hamburger-icon {
    width: 30px;
    height: 24px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-icon span {
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-menu input:checked + .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu input:checked + .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu input:checked + .hamburger-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    backdrop-filter: blur(15px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1001;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
}

.hamburger-menu input:checked ~ .mobile-menu-overlay {
    opacity: 1;
    visibility: visible;
    right: 0;
}

.mobile-menu-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 165, 0, 0.1);
}

.mobile-logo {
    font-size: 24px;
    font-weight: 700;
    color: #FFA500;
    letter-spacing: 2px;
}

.mobile-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    max-width: 150px;
}

.mobile-close-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 18px;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.mobile-close-btn:hover {
    background: rgba(255, 165, 0, 0.2);
    transform: rotate(90deg);
}

.mobile-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.mobile-menu-footer {
    padding: 20px 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.mobile-search-bar {
    position: relative;
    margin-bottom: 15px;
}

.mobile-search-bar input {
    width: 100%;
    padding: 12px 40px 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.mobile-search-bar input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.mobile-search-bar input:focus {
    border-color: #FFA500;
    background: rgba(255, 165, 0, 0.1);
}

.mobile-search-bar i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.mobile-language-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-language-toggle:hover {
    background: rgba(255, 165, 0, 0.1);
    border-color: #FFA500;
}

.mobile-language-toggle .fi {
    width: 18px;
    height: 13px;
    border-radius: 2px;
}

.mobile-language-toggle span {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.mobile-language-toggle i {
    margin-left: auto;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

.mobile-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: linear-gradient(135deg, #FFA500 0%, #FF8C00 100%);
    border: none;
    color: white;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(255, 165, 0, 0.3);
}

.mobile-contact-btn:hover {
    background: linear-gradient(135deg, #FF8C00 0%, #FF7F00 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.4);
}

/* Mobile Navigation Items */
.mobile-nav-item {
    margin: 2px 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 16px 25px;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 0;
    cursor: pointer;
    position: relative;
}

.mobile-nav-link:hover {
    background: rgba(255, 165, 0, 0.1);
    color: #FFA500;
}

.mobile-nav-link.active {
    background: rgba(255, 165, 0, 0.15);
    color: #FFA500;
    border-left: 4px solid #FFA500;
}

.mobile-nav-link i:first-child {
    width: 20px;
    margin-right: 15px;
    font-size: 16px;
    text-align: center;
}

.mobile-nav-link span {
    flex: 1;
}

.dropdown-arrow {
    font-size: 12px;
    margin-left: auto;
    transition: transform 0.3s ease;
}

/* Mobile Dropdown */
.has-dropdown input[type="checkbox"] {
    display: none;
}

.has-dropdown input:checked + .mobile-nav-link .dropdown-arrow {
    transform: rotate(180deg);
}

.mobile-dropdown-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.3);
}

.has-dropdown input:checked ~ .mobile-dropdown-content {
    max-height: 400px;
}

.mobile-sub-link {
    display: block;
    padding: 12px 25px 12px 60px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.mobile-sub-link:hover {
    background: rgba(255, 165, 0, 0.1);
    color: #FFA500;
}

.sub-arrow {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    transition: transform 0.3s ease;
}

/* Mobile Third Level Submenu */
.mobile-sub-item.has-sub-dropdown input[type="checkbox"] {
    display: none;
}

.has-sub-dropdown input:checked + .mobile-sub-link .sub-arrow {
    transform: translateY(-50%) rotate(90deg);
}

.mobile-sub-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.has-sub-dropdown input:checked ~ .mobile-sub-dropdown {
    max-height: 200px;
}

.mobile-sub-dropdown a {
    display: block;
    padding: 10px 25px 10px 80px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 13px;
    font-weight: 300;
    transition: all 0.3s ease;
    border-left: 2px solid transparent;
}

.mobile-sub-dropdown a:hover {
    background: rgba(255, 165, 0, 0.1);
    color: #FFA500;
    border-left-color: #FFA500;
}



/* Hero Carousel Section */
.hero-carousel {
    height: 100vh;
    position: relative;
    margin-top: 70px;
    overflow: hidden;
}

.hero-carousel input[type="radio"] {
    display: none;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}

#slide1:checked ~ .carousel-container .slide-1,
#slide2:checked ~ .carousel-container .slide-2,
#slide3:checked ~ .carousel-container .slide-3 {
    opacity: 1;
}

/* Auto-play animation */
.hero-carousel input[type="radio"] {
    animation: autoplay 15s infinite;
}

#slide1 {
    animation-delay: 0s;
}

#slide2 {
    animation-delay: 5s;
}

#slide3 {
    animation-delay: 10s;
}

@keyframes autoplay {
    0%, 33.33% { 
        opacity: 1; 
    }
    33.34%, 100% { 
        opacity: 0; 
    }
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4));
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    align-items: center;
}

.hero-text {
    max-width: 600px;
    margin-left: auto;
    margin-right: 200px;
    text-align: left;
}

.hero-text h1 {
    font-size: 72px;
    font-weight: 900;
    color: white;
    line-height: 0.9;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    color: #FFA500;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.hero-description {
    color: white;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.view-more-btn {
    background: #FFA500;
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.view-more-btn:hover {
    background: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,165,0,0.4);
}

/* Carousel Controls */
.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 3;
    pointer-events: none;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    font-size: 18px;
}

.carousel-btn:hover {
    background: rgba(255, 165, 0, 0.8);
    border-color: #FFA500;
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
}

#slide1:checked ~ .carousel-indicators label:nth-child(1),
#slide2:checked ~ .carousel-indicators label:nth-child(2),
#slide3:checked ~ .carousel-indicators label:nth-child(3) {
    background: #FFA500;
    border-color: #FFA500;
    transform: scale(1.2);
}

.indicator:hover {
    border-color: #FFA500;
    background: rgba(255, 165, 0, 0.5);
}

/* Product Categories */
.product-categories {
    padding: 0px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #FFA500;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.category-card {
    background: white;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #eee;
    overflow: hidden;
}

.category-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    border-color: #FFA500;
}

.category-card a {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.category-card a:hover {
    color: inherit;
}

.category-image {
    margin-bottom: 25px;
    width: 100%;
    aspect-ratio: 800/580;
    overflow: hidden;
    border-radius: 10px;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.category-card:hover h3 {
    color: #FFA500;
}

.category-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.category-card:hover p {
    color: #555;
}

/* About Us */
.about-us {
    padding: 100px 0;
    background: #f8f9fa;
}

.about-us .section-title {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-us .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #FFA500;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: transform 0.4s ease;
}

.about-image:hover {
    transform: translateY(-10px);
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.about-text .view-more-btn {
    display: inline-block;
    background: #FFA500;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.about-text .view-more-btn:hover {
    background: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 165, 0, 0.3);
}

/* Consultation Service Section */
.consultation-section {
    background: #000000;
    padding: 35px 0;
    color: white;
    position: relative;
}

.consultation-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.consultation-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    color: white;
}

.consultation-content p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.6;
    color: #cccccc;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.consultation-btn {
    display: inline-block;
    background: #FF4500;
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
}

.consultation-btn:hover {
    background: #FF6500;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
}

/* News Section - Square Grid Style */
.news-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* News Grid Container */
.news-grid-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Featured Item - Large Square */
.featured-item {
    grid-row: span 2;
}

.featured-item .news-image {
    aspect-ratio: 1;
    width: 100%;
    overflow: hidden;
    position: relative;
}

/* Small Grid - 2x2 */
.news-small-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 10px;
}

.small-item .news-image {
    aspect-ratio: 1;
    width: 100%;
    overflow: hidden;
    position: relative;
}

/* Image Styles */
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* News Item Styles */
.news-item {
    position: relative;
    background: white;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.news-item:hover .news-image img {
    transform: scale(1.05);
}

/* Title Styles */
.news-title {
    padding: 15px 10px;
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.3;
    text-align: center;
    margin: 0;
    background: white;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-item .news-title {
    font-size: 20px;
    padding: 20px 15px;
    -webkit-line-clamp: 3;
}

.small-item .news-title {
    font-size: 14px;
    padding: 12px 8px;
    -webkit-line-clamp: 2;
}

.news-item:hover .news-title {
    color: #FFA500;
}

/* Why Choose Us */
.why-choose-us {
    padding: 80px 0;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), 
                url('images/image.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: center;
}

.why-choose-us h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 16px;
    margin-bottom: 60px;
    opacity: 0.9;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    background: rgba(255,255,255,0.1);
    padding: 40px 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 32px;
    color: #FFA500;
}

.feature-item p {
    font-size: 16px;
    line-height: 1.6;
}

/* Certificates */
.certificates {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.certificates h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 60px;
    position: relative;
}

.certificates h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #FFA500;
}

.certificates-gallery {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.certificate-frame {
    transition: transform 0.3s ease;
}

.certificate-frame:hover {
    transform: translateY(-10px) scale(1.05);
}

.certificate-frame img {
    width: 200px;
    height: 280px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border: 5px solid #8B4513;
    transition: all 0.3s ease;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 60px;
    align-items: start;
}

.footer-logo h2 {
    color: #FFA500;
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 2px;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    max-width: 250px;
}

.footer-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h3 {
    color: #FFA500;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #FFA500;
}

.contact-info p {
    color: #ccc;
    margin-bottom: 8px;
    line-height: 1.6;
}

.contact-info strong {
    color: white;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 12px 15px;
    border-radius: 5px;
    color: white;
    font-size: 14px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.6);
}

.contact-form button {
    background: #FFA500;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-form button:hover {
    background: #FF8C00;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Prevent horizontal scroll */
    * {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    section {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }
    .nav-wrapper {
        justify-content: space-between;
        align-items: center;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    /* Hide desktop menu elements */
    .desktop-menu,
    .desktop-search,
    .desktop-language,
    .desktop-contact {
        display: none;
    }
    
    /* Show mobile hamburger menu */
    .hamburger-menu {
        display: block;
    }
    
    .header-right {
        gap: 15px;
        align-items: center;
    }
    
    /* Logo responsive styles */
    .logo-img {
        height: 40px;
        max-width: 150px;
    }
    
    .mobile-logo-img {
        height: 35px;
        max-width: 120px;
    }
    
    .footer-logo-img {
        height: 50px;
        max-width: 200px;
    }
    
    .hero-text {
        margin-right: 50px;
        margin-left: 50px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 48px;
    }
    
    .carousel-controls {
        padding: 0 15px;
    }
    
    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .category-card {
        padding: 15px 10px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .category-card h3 {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .category-card p {
        font-size: 11px;
        line-height: 1.3;
    }
    
    .category-image {
        width: 100%;
        aspect-ratio: 800/580;
        margin-bottom: 15px;
    }
    
    .about-us {
        padding: 60px 0;
    }
    
    .about-us .section-title {
        font-size: 32px;
        letter-spacing: 1px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-top: 40px;
    }
    
    .about-image {
        order: 1;
    }
    
    .about-text {
        order: 2;
        text-align: center;
    }
    
    .about-image img {
        height: 300px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .feature-item {
        padding: 25px 15px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .feature-icon i {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .feature-item p {
        font-size: 13px;
        line-height: 1.4;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    /* Square Grid News Section Mobile Styles */
    .news-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .news-grid-container {
        grid-template-columns: 1fr;
        gap: 15px;
        max-width: 100%;
        padding: 0 20px;
    }
    
    .featured-item {
        grid-row: span 1;
    }
    
    .news-small-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .featured-item .news-title {
        font-size: 18px;
        padding: 15px 12px;
    }
    
    .small-item .news-title {
        font-size: 12px;
        padding: 10px 8px;
    }
    
    /* Consultation Section Mobile Styles */
    .consultation-section {
        padding: 25px 0;
    }
    
    .consultation-content h2 {
        font-size: 32px;
        margin-bottom: 10px;
    }
    
    .consultation-content p {
        font-size: 16px;
        margin-bottom: 15px;
        padding: 0 10px;
    }
    
    .consultation-btn {
        padding: 14px 30px;
        font-size: 14px;
    }
    
    /* Product Page Responsive */
    .product-hero {
        height: 300px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        font-size: 14px;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-sidebar {
        position: static;
        padding: 20px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, 245px);
        gap: 20px;
        justify-content: center;
    }
    
    .product-card {
        width: 245px;
        height: 400px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-info h4 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 24px;
    }
    
    .breadcrumb {
        font-size: 12px;
        gap: 5px;
    }
    
    .products-grid {
        grid-template-columns: 245px;
        gap: 15px;
        justify-content: center;
    }
    
    .product-card {
        width: 245px;
        height: 400px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .news-card {
        padding: 20px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .news-card h3 {
        font-size: 16px;
        margin-bottom: 12px;
        min-height: auto;
        line-height: 1.4;
    }
    
    .news-card p {
        font-size: 14px;
        margin-bottom: 15px;
        -webkit-line-clamp: 3;
    }
    
    .news-date {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .read-more {
        font-size: 13px;
    }
    
    .footer-sections {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .certificates-gallery {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        justify-items: center;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .certificate-frame img {
        width: 140px;
        height: 200px;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .categories-grid {
        gap: 10px;
    }
    
    .category-card {
        padding: 12px 8px;
    }
    
    .category-card h3 {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .category-card p {
        font-size: 10px;
    }
    
    .news-grid {
        gap: 15px;
    }
    
    .news-card {
        padding: 15px;
    }
    
    .news-card h3 {
        font-size: 15px;
        margin-bottom: 10px;
    }
    
    .news-card p {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .news-date {
        font-size: 11px;
        margin-bottom: 8px;
    }
    
    .read-more {
        font-size: 12px;
    }
    
    .features-grid {
        gap: 10px;
    }
    
    .feature-item {
        padding: 20px 12px;
    }
    
    .feature-icon i {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .feature-item p {
        font-size: 12px;
    }
    
    .certificates-gallery {
        gap: 10px;
    }
    
    .certificate-frame img {
        width: 120px;
        height: 170px;
    }
    
    .why-choose-us h2 {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    /* Mobile menu adaptations for small screens */
    .mobile-language-section {
        max-width: 300px;
    }
    
    .mobile-language-grid {
        gap: 8px;
    }
    
    .mobile-language {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .mobile-language span:last-child {
        font-size: 12px;
    }
    
    .mobile-nav ul li a {
        font-size: 20px;
        padding: 8px 15px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

/* Additional Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card,
.feature-item,
.news-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Loading Animation */
.category-card:nth-child(1) { animation-delay: 0.1s; }
.category-card:nth-child(2) { animation-delay: 0.2s; }
.category-card:nth-child(3) { animation-delay: 0.3s; }
.category-card:nth-child(4) { animation-delay: 0.4s; }
.category-card:nth-child(5) { animation-delay: 0.5s; }
.category-card:nth-child(6) { animation-delay: 0.6s; }

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }
.news-card:nth-child(4) { animation-delay: 0.4s; }

/* Focus States for Accessibility */
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid #FFA500;
    outline-offset: 2px;
}

/* Request Quote Form Styles */
.request-quote-section {
    margin-top: 40px;
    padding: 40px;
    background: #f8f9fa;
    border-radius: 8px;
}

.request-quote-section h3 {
    color: #333;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.quote-form-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.quote-form-info h4 {
    color: #333;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.quote-form-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.quote-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefit-item i {
    color: #FFA500;
    font-size: 16px;
}

.benefit-item span {
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.quote-form {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
    margin-bottom: 20px;
}

.form-group label {
    color: #333;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FFA500;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.submit-quote-btn {
    background: #FFA500;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-quote-btn:hover {
    background: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

.form-note {
    margin-top: 15px;
}

.form-note small {
    color: #666;
    font-size: 12px;
    line-height: 1.4;
}

/* Responsive Design for Quote Form */
@media (max-width: 768px) {
    .quote-form-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .quote-form {
        padding: 20px;
    }
    
    .request-quote-section {
        padding: 30px 20px;
    }
}

/* Customer Reviews Mobile Styles */
@media (max-width: 768px) {
    .customer-reviews {
        padding: 60px 0;
    }
    
    .customer-reviews .section-title {
        font-size: 32px;
        letter-spacing: 1px;
    }
    
    .customer-reviews .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .review-card {
        padding: 20px;
    }
    
    .review-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .customer-info {
        width: 100%;
    }
    
    .rating {
        align-self: flex-end;
    }
    
    .reviews-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
}

/* Enhanced Thumbnail Interaction */
.thumbnail-gallery .thumb {
    transition: all 0.3s ease;
}

.thumbnail-gallery .thumb:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(255, 165, 0, 0.3);
}

/* Print Styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .hero-carousel {
        height: auto;
        padding: 40px 0;
    }
}

/* Request Quote Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

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

.modal-header h2 {
    color: #FFA500;
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
}

.close-modal {
    color: #999;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
    padding: 5px;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 30px;
}

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

.quote-modal-form .form-group.full-width {
    grid-column: 1 / -1;
}

.quote-modal-form .form-group {
    display: flex;
    flex-direction: column;
}

.quote-modal-form input,
.quote-modal-form textarea {
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background-color: #f8f9fa;
}

.quote-modal-form input:focus,
.quote-modal-form textarea:focus {
    outline: none;
    border-color: #FFA500;
    background-color: white;
}

.quote-modal-form textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.quote-modal-form .form-actions {
    text-align: center;
    margin-top: 30px;
}

.send-btn {
    background: #FFA500;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 120px;
}

.send-btn:hover {
    background: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Dual Tab System Styles */
.product-tabs-dual-system {
    margin-top: 40px;
}

.main-tab-navigation {
    display: flex;
    background: #f8f9fa;
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 0;
}

.main-tab-btn {
    flex: 1;
    padding: 20px 30px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 12px 12px 0 0;
}

.main-tab-btn:hover {
    background: #e9ecef;
    color: #333;
}

.main-tab-btn.active {
    background: white;
    color: #FFA500;
    border-bottom: 3px solid #FFA500;
}

.main-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: #FFA500;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Product Details Tab Styles */
.product-details-content h3 {
    color: #333;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 2px solid #FFA500;
    padding-bottom: 10px;
}

.product-details-content h4 {
    color: #333;
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 20px 0;
}

.product-description, .product-features {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.features-section .feature-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.features-section .feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.features-section .feature-icon {
    width: 60px;
    height: 60px;
    background: #FFA500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.features-section .feature-icon i {
    font-size: 24px;
    color: white;
}

.features-section .feature-item h5 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.features-section .feature-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.applications-section .applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.applications-section .application-item {
    background: white;
    border: 2px solid #e9ecef;
    padding: 20px;
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.applications-section .application-item:hover {
    border-color: #FFA500;
}

.applications-section .application-item i {
    font-size: 24px;
    color: #FFA500;
    margin-right: 10px;
}

.applications-section .application-item h5 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.applications-section .application-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Product Parameters Tab Styles */
.parameters-content h3 {
    color: #333;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 2px solid #FFA500;
    padding-bottom: 10px;
}

.spec-table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

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

.spec-table thead th {
    background: #FFA500;
    color: white;
    padding: 15px;
    font-weight: 600;
    text-align: left;
    font-size: 16px;
}

.spec-table tbody tr {
    border-bottom: 1px solid #e9ecef;
}

.spec-table tbody tr:last-child {
    border-bottom: none;
}

.spec-table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

.spec-table tbody td {
    padding: 12px 15px;
    font-size: 14px;
}

.spec-table tbody td:first-child {
    font-weight: 600;
    color: #333;
    width: 40%;
}

.spec-table tbody td:last-child {
    color: #666;
}

.warranty-section h4 {
    color: #333;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
}

.warranty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.warranty-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.warranty-item i {
    font-size: 32px;
    color: #FFA500;
    margin-bottom: 15px;
}

.warranty-item h5 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.warranty-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Mobile responsive for modal */
@media (max-width: 768px) {
    .modal-content {
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    .modal-header {
        padding: 20px 20px 15px;
    }
    
    .modal-header h2 {
        font-size: 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .quote-modal-form .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .quote-modal-form input,
    .quote-modal-form textarea {
        padding: 12px;
    }

    /* Mobile responsive for new tabs */
    .tab-btn {
        padding: 15px 20px;
        font-size: 14px;
    }
    
    .tab-panel {
        padding: 20px;
    }
    
    .product-details-content h3,
    .parameters-content h3 {
        font-size: 24px;
    }
    
    .features-section .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .applications-section .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .warranty-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-table thead th,
    .spec-table tbody td {
        padding: 10px;
        font-size: 13px;
    }
}

/* 悬浮联系按钮样式 */
.floating-contact-buttons {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 15px;
}

/* 按钮组容器 */
.floating-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    transform: translateX(0);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

/* 隐藏状态 */
.floating-contact-buttons.hidden .floating-buttons-group {
    transform: translateX(100px);
    opacity: 0;
    pointer-events: none;
}

/* 切换按钮样式 */
.toggle-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049) !important;
    order: -1;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.toggle-btn:hover {
    background: linear-gradient(135deg, #45a049, #4CAF50) !important;
}

/* 切换按钮图标动画 */
.toggle-btn i {
    transition: transform 0.3s ease;
}

.floating-contact-buttons.hidden .toggle-btn i {
    transform: rotate(180deg);
}

/* 切换按钮悬停时的脉冲效果 */
.toggle-btn:hover {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
    }
}

/* 为按钮组添加分离动画 */
.floating-buttons-group .floating-btn {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-contact-buttons.hidden .floating-buttons-group .floating-btn {
    transform: translateX(20px);
    opacity: 0;
}

/* 添加延迟效果，让按钮依次消失/出现 */
.floating-contact-buttons.hidden .floating-buttons-group .floating-btn:nth-child(1) {
    transition-delay: 0.05s;
}

.floating-contact-buttons.hidden .floating-buttons-group .floating-btn:nth-child(2) {
    transition-delay: 0.1s;
}

.floating-contact-buttons.hidden .floating-buttons-group .floating-btn:nth-child(3) {
    transition-delay: 0.15s;
}

.floating-contact-buttons.hidden .floating-buttons-group .floating-btn:nth-child(4) {
    transition-delay: 0.2s;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.floating-btn a {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-size: 20px;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 各按钮的颜色 */
.phone-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.notification-btn {
    background: linear-gradient(135deg, #007BFF, #0056B3);
}

.email-btn {
    background: linear-gradient(135deg, #FF6B35, #F7931E);
}

.chat-btn {
    background: linear-gradient(135deg, #98D8C8, #2ECC71);
}

.back-to-top {
    background: linear-gradient(135deg, #6C757D, #495057);
}

/* 悬浮按钮动画效果 */
.floating-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

/* 移动端响应式 */
@media (max-width: 768px) {
    .floating-contact-buttons {
        right: 15px;
        gap: 12px;
    }
    
    .floating-buttons-group {
        gap: 12px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
    }
    
    .floating-btn a {
        font-size: 18px;
    }
    
    .toggle-btn {
        margin-bottom: 8px;
    }
    
    /* 移动端隐藏时的偏移量 */
    .floating-contact-buttons.hidden .floating-buttons-group {
        transform: translateX(80px);
    }
}

@media (max-width: 480px) {
    .floating-contact-buttons {
        right: 10px;
        gap: 10px;
    }
    
    .floating-buttons-group {
        gap: 10px;
    }
    
    .floating-btn {
        width: 45px;
        height: 45px;
    }
    
    .floating-btn a {
        font-size: 16px;
    }
    
    .toggle-btn {
        margin-bottom: 6px;
    }
    
    /* 小屏幕设备隐藏时的偏移量 */
    .floating-contact-buttons.hidden .floating-buttons-group {
        transform: translateX(70px);
    }
} 

/* New Product Detail Layout Styles for product-detail3.html */
.product-header-new {
    display: grid;
    grid-template-columns: 100px 479px 400px;
    gap: 30px;
    padding: 40px;
    background: white;
    border-radius: 8px;
    margin-bottom: 20px;
    justify-content: center;
}

/* Left Thumbnail Sidebar */
.thumbnail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.thumbnail-item {
    width: 78px;
    height: 78px;
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.thumbnail-item.active {
    border-color: #FFA500;
    box-shadow: 0 0 10px rgba(255, 165, 0, 0.3);
}

.thumbnail-item:hover {
    border-color: #FFA500;
    transform: scale(1.05);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Main Product Image */
.main-product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    width: 479px;
    height: 479px;
    position: relative;
}

.main-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image Navigation Buttons */
.image-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.image-nav-btn:hover {
    background: rgba(255, 165, 0, 0.9);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.3);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.image-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(200, 200, 200, 0.9);
}

.image-nav-btn:disabled:hover {
    transform: translateY(-50%);
    background: rgba(200, 200, 200, 0.9);
    color: #666;
}

/* Right Product Info Panel */
.product-info-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
    padding: 20px 0;
}

.product-header-info {
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 20px;
}

.product-category-badge {
    color: #999;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.product-model {
    font-size: 48px;
    font-weight: 700;
    color: #333;
    margin: 0 0 15px 0;
    line-height: 1;
}

.vr-factory-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #333, #555);
    padding: 8px 16px;
    border-radius: 25px;
    width: fit-content;
}

.vr-factory-badge .vr-icon {
    background: white;
    color: #333;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 50%;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vr-factory-badge .vr-text {
    color: white;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Product Specs Table */
.product-specs-table {
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 25px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    color: #666;
    font-size: 14px;
    font-weight: 500;
}

.spec-value {
    color: #333;
    font-size: 14px;
    font-weight: 600;
    text-align: right;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
}

.btn-request-quote-orange {
    flex: 1;
    background: #FFA500;
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-request-quote-orange:hover {
    background: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

.btn-product-video {
    flex: 1;
    background: transparent;
    color: #666;
    border: 2px solid #e9ecef;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-product-video:hover {
    border-color: #FFA500;
    color: #FFA500;
    background: rgba(255, 165, 0, 0.05);
}

/* Responsive Design for New Layout */
@media (max-width: 1200px) {
    .product-header-new {
        grid-template-columns: 100px 1fr 350px;
        gap: 20px;
        padding: 30px;
    }
    
    .thumbnail-item {
        width: 65px;
        height: 65px;
    }
    
    .product-model {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .product-header-new {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .thumbnail-sidebar {
        flex-direction: row;
        justify-content: center;
        order: 2;
    }
    
    .main-product-image {
        order: 1;
        width: 100%;
        height: 300px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .image-nav-btn {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
    
    .product-info-right {
        order: 3;
        gap: 20px;
    }
    
    .thumbnail-item {
        width: 50px;
        height: 50px;
    }
    
    .product-model {
        font-size: 32px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Enhanced thumbnail interaction for new layout */
.thumbnail-item {
    position: relative;
    overflow: hidden;
}

.thumbnail-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 165, 0, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.thumbnail-item.active::after,
.thumbnail-item:hover::after {
    opacity: 1;
}

/* Full Width Layout without Sidebar */
.product-detail-layout-full {
    display: block;
    width: 100%;
}

.product-detail-main-full {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Product Tabs with Sidebar */
.product-tabs-with-sidebar {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
    background: white;
    margin-top: 20px;
}

/* Tabs Sidebar */
.tabs-sidebar {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 0;
    height: fit-content;
    border: 1px solid #e9ecef;
}

.tabs-sidebar h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
    padding: 18px 20px;
    border-bottom: 1px solid #e9ecef;
    background: #f1f3f4;
    letter-spacing: 1px;
}

.tabs-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tabs-menu li {
    margin: 0;
    border-bottom: 1px solid #e9ecef;
}

.tabs-menu li:last-child {
    border-bottom: none;
}

.tab-link {
    display: block;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    padding: 14px 20px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.tab-link:hover {
    background: #f1f3f4;
    color: #333;
}

.tab-link.active {
    background: #fff;
    color: #333;
    font-weight: 500;
    border-left-color: #FFA500;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Tabs Main Content */
.tabs-main-content {
    background: white;
    border-radius: 8px;
    padding: 40px;
    border: 1px solid #e9ecef;
}

.main-content-area {
    display: none;
}

.main-content-area.active {
    display: block;
}

.tab-panel {
    display: none;
}

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

.tab-panel h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    border-bottom: 2px solid #FFA500;
    padding-bottom: 10px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.feature-item {
    text-align: center;
    padding: 25px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FFA500, #ff8c00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.feature-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* Applications List */
.applications-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.application-item {
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.application-item:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.application-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.application-item h4 i {
    color: #FFA500;
    font-size: 20px;
}

.application-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Maintenance Schedule */
.maintenance-schedule {
    margin-bottom: 30px;
}

.maintenance-schedule h4 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.maintenance-schedule ul {
    list-style: none;
    padding: 0;
}

.maintenance-schedule li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
    line-height: 1.6;
}

.maintenance-schedule li:last-child {
    border-bottom: none;
}

.maintenance-tips h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.maintenance-tips p {
    color: #666;
    line-height: 1.6;
}

/* Warranty Details */
.warranty-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.warranty-item {
    padding: 25px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background: #f8f9fa;
}

.warranty-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.warranty-item h4 i {
    color: #FFA500;
    font-size: 20px;
}

.warranty-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Video Modal Styles */
.video-modal {
    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: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.video-modal.show {
    opacity: 1;
    visibility: visible;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1;
}

.video-modal-content {
    position: relative;
    background: white;
    border-radius: 12px;
    max-width: 90vw;
    max-height: 90vh;
    width: 1000px;
    z-index: 2;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.video-modal.show .video-modal-content {
    transform: scale(1);
}

.video-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
    font-size: 16px;
}

.video-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.video-modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
}

.video-modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    z-index: 1;
}

.video-placeholder-content {
    text-align: center;
}

.video-placeholder-content i {
    font-size: 64px;
    color: #FFA500;
    margin-bottom: 20px;
    display: block;
}

.video-placeholder-content p {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px 0;
}

.video-placeholder-content small {
    font-size: 14px;
    color: #ccc;
    display: block;
}

/* Responsive Video Modal */
@media (max-width: 768px) {
    .video-modal-content {
        width: 95vw;
        max-width: 95vw;
        margin: 20px;
    }
    
    .video-modal-header {
        padding: 15px 20px;
    }
    
    .video-modal-header h3 {
        font-size: 18px;
    }
    
    .video-modal-close {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .video-modal-content {
        width: 100vw;
        height: 100vh;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    
    .video-container {
        padding-bottom: 56.25%;
    }
}