:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #4299e1;
    --accent-hover: #3182ce;
    --text-color: #2d3748;
    --light-gray: #f7fafc;
    --white: #ffffff;
    --footer-bg: #1a202c;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

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

.top-bar {
    background: var(--primary-color);
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-right {
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switcher {
    position: relative;
    display: inline-block;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: white;
    font-size: 14px;
    user-select: none;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background 0.2s;
}

.lang-current:hover {
    background: rgba(255, 255, 255, 0.15);
}

.lang-current::after {
    content: '▾';
    font-size: 10px;
    margin-left: 2px;
}

.lang-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 6px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    min-width: 120px;
    z-index: 1001;
}

.lang-dropdown.show {
    display: block;
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 16px;
    cursor: pointer;
    color: #333;
    font-size: 14px;
    border: none;
    background: none;
    text-align: left;
    transition: background 0.2s;
}

.lang-option:hover {
    background: var(--light-gray, #f5f5f5);
}

.main-header {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.company-tag {
    font-size: 10px;
    color: #718096;
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
}

.nav-links .dropdown {
    position: relative;
}

.nav-links .dropdown-toggle {
    display: flex;
    align-items: center;
}

.nav-links .dropdown-toggle::after {
    content: ' ▼';
    font-size: 10px;
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.nav-links .dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-links .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 150px;
    background: white;
    list-style: none;
    padding: 8px 0;
    margin: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

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

.nav-links .dropdown-menu li {
    padding: 0;
}

.nav-links .dropdown-menu li a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links .dropdown-menu li a:hover {
    background: var(--accent-color);
    color: white;
}

.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.banner-content {
    flex: 0 0 auto;
    text-align: left;
    color: white;
    z-index: 3;
    width: 380px;
}

.banner-image {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.banner-image img {
    max-width: 320px;
    max-height: 320px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.95;
    transition: transform 0.5s ease;
}

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

.banner-item.active {
    display: flex;
}

.banner-content h1 {
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-content h2 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 12px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-content p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
    line-height: 1.6;
}

.banner-btn {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: var(--transition);
}

.banner-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(66, 153, 225, 0.4);
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot:hover,
.dot.active {
    background: white;
    transform: scale(1.2);
}

.banner-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

.arrow {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
}

.arrow:hover {
    background: white;
    color: var(--primary-color);
}

.features {
    padding: 5px 0;
    background: white;
}

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

.feature-item {
    text-align: center;
    padding: 30px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.feature-item p {
    font-size: 14px;
    color: #718096;
}

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

.category-section {
    margin-bottom: 60px;
}

.category-header {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--accent-color);
    position: relative;
}

.category-header h3 {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

.category-header::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.no-products {
    text-align: center;
    padding: 40px;
    color: #718096;
    background: var(--light-gray);
    border-radius: 8px;
}

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

.pagination-container {
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.pagination-btn {
    padding: 8px 16px;
    border: 1px solid #e2e8f0;
    background: white;
    color: var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.pagination-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.pagination-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.section-header h2 {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: #718096;
}

.products-section {
    padding: 80px 0;
    background: var(--light-gray);
}

/* 热门产品轮播 */
.featured-carousel-wrapper {
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 40px;
}

.featured-carousel {
    display: flex;
    gap: 24px;
    overflow-x: hidden;
    scroll-behavior: smooth;
    flex: 1;
    padding: 10px 0;
}

.featured-carousel .product-card {
    flex: 0 0 calc(33.333% - 16px);
    min-width: calc(33.333% - 16px);
}

.carousel-btn {
    background: white;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    flex-shrink: 0;
    margin: 0 8px;
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    aspect-ratio: 1;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.product-card:hover .product-image::before {
    left: 100%;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-info p {
    font-size: 14px;
    color: #718096;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-category {
    display: inline-block;
    padding: 5px 12px;
    background: var(--light-gray);
    color: var(--accent-color);
    font-size: 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.product-link:hover {
    color: var(--accent-hover);
}

.product-link::after {
    content: ' →';
    margin-left: 5px;
    transition: var(--transition);
}

.product-card:hover .product-link::after {
    margin-left: 10px;
}

.view-all {
    text-align: center;
}

.view-all-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 5px;
    transition: var(--transition);
}

.view-all-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.about-section {
    padding: 80px 0;
    background: white;
}

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

.about-image {
    border-radius: 10px;
    overflow: hidden;
}

.image-placeholder {
    height: 400px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 48px;
}

.about-text h2 {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    color: #4a5568;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    list-style: none;
    margin-bottom: 30px;
}

.about-list li {
    font-size: 16px;
    color: #4a5568;
    margin-bottom: 10px;
}

.about-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 5px;
    transition: var(--transition);
}

.about-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.stats-section .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-number {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.stat-label {
    font-size: 16px;
    opacity: 0.8;
}

.applications-section {
    padding: 80px 0;
    background: var(--light-gray);
}

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

.app-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.app-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.app-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.app-icon svg {
    width: 30px;
    height: 30px;
}

.app-item h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.app-item p {
    font-size: 14px;
    color: #718096;
}

.partners-section {
    padding: 80px 0;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
}

.partner-item {
    height: 80px;
    background: var(--light-gray);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #718096;
    transition: var(--transition);
}

.partner-item:hover {
    background: var(--accent-color);
    color: white;
}

.main-footer {
    background: var(--footer-bg);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 15px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-contact h4 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item svg {
    width: 16px;
    height: 16px;
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .top-bar-left {
        flex-direction: column;
        gap: 5px;
    }
    
    .main-header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .banner {
        height: 500px;
    }
    
    .banner-item {
        flex-direction: column;
        justify-content: center;
        gap: 20px;
    }
    
    .banner-content {
        text-align: center;
        max-width: 100%;
    }
    
    .banner-image {
        max-width: 100%;
    }
    
    .banner-image img {
        max-width: 200px;
        max-height: 200px;
    }
    
    .banner-content h1 {
        font-size: 32px;
    }
    
    .banner-content h2 {
        font-size: 22px;
    }
    
    .banner-content p {
        font-size: 14px;
    }
    
    .features .container,
    .stats-section .container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-carousel .product-card {
        flex: 0 0 calc(100% - 16px);
        min-width: calc(100% - 16px);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .image-placeholder {
        height: 250px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--light-gray);
    transition: var(--transition);
}

.faq-question:hover {
    background: #edf2f7;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    color: var(--accent-color);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    color: #4a5568;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 24px;
    max-height: 500px;
}

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

.contact-item {
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 10px;
}

.contact-item h4 {
    margin: 15px 0 10px;
    color: var(--primary-color);
}

.contact-item p {
    color: #4a5568;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background: var(--accent-hover);
}

@media (max-width: 480px) {
    .features .container,
    .stats-section .container {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banner-content h1 {
        font-size: 24px;
    }
    
    .banner-content h2 {
        font-size: 18px;
    }
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: bold;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
}

.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 28px;
    height: 28px;
}

.contact-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 16px;
}

.contact-card p {
    color: #4a5568;
    font-size: 14px;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 24px;
    text-align: center;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(66, 153, 225, 0.3);
}

.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--light-gray);
    transition: var(--transition);
}

.faq-question:hover {
    background: #edf2f7;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    color: var(--accent-color);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    color: #4a5568;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 24px;
    max-height: 500px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .contact-card {
        padding: 20px;
    }
    
    .contact-icon {
        width: 48px;
        height: 48px;
        margin: 0 auto 15px;
    }
    
    .contact-icon svg {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 25px;
    }
}