* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.8;
    letter-spacing: 0.3px;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.products-page img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 30px 0;
}

.breadcrumb {
    background: #f8f9fa;
    padding: 10px 20px;
    margin-top: 60px;
}

.breadcrumb a {
    color: #48bb78;
    text-decoration: none;
}

.breadcrumb span {
    color: #666;
}

.navbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: white !important;
    z-index: 1000 !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    color: #333 !important;
    font-size: 20px !important;
    font-weight: 600 !important;
}

.nav-logo i {
    font-size: 22px;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    display: flex;
    align-items: center;
    height: 70px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #333 !important;
    text-decoration: none !important;
    font-size: 16px !important;
    font-weight: 500;
    transition: all 0.3s !important;
    display: flex;
    align-items: center;
    height: 70px;
    line-height: 70px;
    padding: 0 8px;
    border-radius: 6px;
}

.nav-menu a:hover {
    color: #48bb78 !important;
    background-color: #f5f5f5;
}

.has-submenu {
    position: relative;
    margin: 0;
    padding: 0;
}

.has-submenu > a {
    position: relative;
    margin: 0;
    padding: 0 8px;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

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

.submenu li {
    padding: 0;
}

.submenu a {
    display: block;
    padding: 12px 20px;
    color: #333;
    font-size: 13px;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}

.submenu a:hover {
    background: #f0f0f0;
    color: #333;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(30, 60, 94, 0.9) 0%, rgba(45, 90, 135, 0.9) 50%, rgba(59, 130, 185, 0.9) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/home.jpg') center/cover;
    opacity: 0.25;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    color: #fff;
    max-width: 600px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 40px;
    font-weight: 600;
    margin-bottom: 10px;
}

.hero h2 {
    color: #fff;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
    opacity: 0.95;
}

.hero p {
    font-size: 16px;
    margin-bottom: 40px;
    opacity: 0.85;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.products {
    padding: 60px 0;
    background: #f8f9fa;
}

.products h2 {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 40px;
    color: #2c3e50;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: #48bb78;
    color: #fff;
}

.btn-primary:hover {
    background: #38a169;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #2c3e50;
}

section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 40px;
    color: #1a365d;
}

.products-page, .solutions-page, .cases-page, .about-page {
    padding: 70px 0;
}

.products-page h1, .solutions-page h1, .cases-page h1, .about-page h1 {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    color: #1a365d;
    margin-bottom: 20px;
    line-height: 1.5;
    letter-spacing: 1px;
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.products-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 25px;
    background: #f5f5f5;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}

.tab.active, .tab:hover {
    background: #48bb78;
    color: #fff;
}

.tab-content {
    display: none;
}

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

.product-section {
    margin-bottom: 30px;
}

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

.product-link:hover .product-detail {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.product-detail {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background: #f8f9fa;
    padding: 40px;
    border-radius: 12px;
}

.product-image {
    width: 200px;
    height: 200px;
    min-width: 200px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 60px;
}

.product-image i {
    width: 70px;
    text-align: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
}

.product-info h2 {
    text-align: left;
    margin-bottom: 15px;
    font-size: 28px;
}

.intro-text {
    line-height: 2.0;
    letter-spacing: 0.5px;
    margin-bottom: 30px;
}

.product-info p {
    color: #666;
    margin-bottom: 25px;
    line-height: 2.0;
    letter-spacing: 0.5px;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr;
    gap: 25px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 18px;
    color: #48bb78;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8;
    margin-bottom: 10px;
}

.feature-item i {
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    font-size: 20px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.solution-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.solution-icon {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #3182ce, #2c5282);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    margin-bottom: 20px;
    overflow: hidden;
}

.solution-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-card h2 {
    text-align: left;
    font-size: 20px;
    margin-bottom: 10px;
}

.solution-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-tag {
    background: #ebf8ff;
    color: #3182ce;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
}

.solution-desc h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.solution-desc ul {
    list-style: none;
}

.solution-desc li {
    padding: 6px 0;
    font-size: 14px;
    color: #666;
    padding-left: 20px;
    position: relative;
}

.solution-desc li::before {
    content: '\e605';
    font-family: 'layui-icon';
    font-weight: bold;
    position: absolute;
    left: 0;
    color: #48bb78;
    font-size: 16px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.case-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.case-logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
}

.case-info h3 {
    font-size: 16px;
    margin-bottom: 3px;
}

.case-industry {
    font-size: 12px;
    color: #48bb78;
    background: #f0fff4;
    padding: 3px 8px;
    border-radius: 4px;
}

.case-content p {
    color: #666;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.case-metrics {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.metric {
    text-align: center;
    padding: 10px 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.metric-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: #48bb78;
}

.metric-label {
    font-size: 12px;
    color: #666;
}

.case-author {
    padding-top: 15px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #999;
}

.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    text-align: left;
    margin-bottom: 25px;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

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

.about-image {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #3182ce, #2c5282);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 60px;
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.stat-card {
    background: linear-gradient(135deg, #f0fff4, #ebf8ff);
    padding: 30px;
    text-align: center;
    border-radius: 12px;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 600;
    color: #48bb78;
    margin-bottom: 5px;
}

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

.mission-section {
    margin-bottom: 50px;
}

.mission-section h2 {
    text-align: left;
    margin-bottom: 25px;
}

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

.culture-card {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
}

.culture-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    margin: 0 auto 15px;
}

.culture-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.culture-card p {
    color: #666;
    font-size: 14px;
}

.certifications-section {
    margin-bottom: 50px;
}

.certifications-section h2 {
    text-align: left;
    margin-bottom: 25px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.cert-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.cert-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3182ce, #2c5282);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    margin: 0 auto 10px;
}

.cert-item span {
    font-size: 12px;
    color: #666;
}

.team-section {
    margin-bottom: 50px;
}

.team-section h2 {
    text-align: left;
    margin-bottom: 25px;
}

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

.team-card {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
    margin: 0 auto 15px;
}

.team-card h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.team-title {
    display: block;
    color: #48bb78;
    font-size: 13px;
    margin-bottom: 10px;
}

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

.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: #48bb78;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-title {
    font-weight: 500;
    color: #333;
    margin-bottom: 3px;
}

.contact-item span:last-child {
    color: #666;
}

.contact-form {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #48bb78;
}

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

.footer {
    background: #2c3e50;
    color: #fff;
    padding: 50px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #fff;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #48bb78;
}

.footer-contact {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-left: 30px;
}

.footer-contact .contact-left {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
}

.footer-contact .contact-right {
    display: flex;
    justify-content: flex-end;
    margin-left: 30px;
}

.footer-contact h4 {
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

.footer-contact .contact-info {
    margin-bottom: 0;
}

.footer-contact .contact-info p {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 5px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.footer-contact .contact-info i {
    color: #48bb78;
    font-size: 14px;
}

.footer-contact .wechat-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-contact .wechat-qrcode img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    background: #fff;
    padding: 5px;
}

.footer-contact .wechat-qrcode span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #4a5568;
}

.footer-bottom p {
    font-size: 13px;
    color: #ccc;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 35px;
    height: 35px;
    background: #4a5568;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s;
}

.footer-social a:hover {
    background: #48bb78;
}

.fixed-sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(180deg, #1e3c5e 0%, #2d5a87 100%);
    padding: 15px 10px;
    border-radius: 8px 0 0 8px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: -3px 0 15px rgba(0, 0, 0, 0.2);
    width: 180px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 13px;
    padding: 8px;
}

.sidebar-item i {
    font-size: 14px;
}

.sidebar-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    color: #fff;
    font-size: 12px;
    padding: 10px;
}

.qrcode-img {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 6px;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    padding: 4px;
    border: 1px solid #e2e8f0;
    cursor: pointer;
}

.qrcode-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

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

.qrcode-modal {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.qrcode-close {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: #34495e;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
}

.qrcode-close:hover {
    background: #2c3e50;
}

.qrcode-large {
    width: 280px;
    height: 280px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.qrcode-modal p {
    margin-top: 10px;
    color: #34495e;
    font-size: 16px;
    font-weight: 500;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    padding: 35px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: #48bb78;
}

.product-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
    line-height: 1.5;
}

.product-card p {
    color: #666;
    margin-bottom: 18px;
    line-height: 1.8;
    letter-spacing: 0.3px;
    font-size: 14px;
}

.product-card ul {
    list-style: none;
    margin-bottom: 20px;
}

.product-card li {
    padding: 8px 0;
    color: #666;
    padding-left: 18px;
    position: relative;
    font-size: 13px;
    line-height: 1.6;
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: bold;
}

.product-icon {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 15px;
}

.product-icon i {
    font-size: 28px;
    color: #2d5a87;
}

.product-icon img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100px !important;
    min-width: 100% !important;
    object-fit: cover !important;
    border-radius: 6px;
}

@media (max-width: 480px) {
    .products-grid,
    .solutions-grid,
    .cases-slider,
    .cert-grid {
        grid-template-columns: 1fr;
    }

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

    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 24px;
    }

    .contact-form {
        padding: 20px;
    }

    .fixed-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #2c3e50;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

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

    .nav-toggle {
        display: block;
    }

    .has-submenu .submenu {
        position: static;
        background: #1a252f;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 10px;
        display: none;
    }

    .has-submenu:hover .submenu,
    .has-submenu.active .submenu {
        display: block;
    }

    .submenu a {
        color: #ccc;
    }

    .product-detail,
    .about-content {
        flex-direction: column;
        text-align: center;
    }

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

    .stats-section,
    .culture-grid,
    .cert-grid,
    .team-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }

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

    .case-metrics {
        flex-direction: column;
    }

    .fixed-sidebar {
        display: none;
    }
}