/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

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

.footer-logo-image {
    height: 40px;
    width: auto;
    max-width: 150px;
    margin-bottom: 15px;
}

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-top {
    background: #f8f9fa;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

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

/* 旧的logo-icon样式已移除，现在使用图片logo */

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

.header-contact .phone {
    color: #666;
    font-size: 14px;
}

.header-contact .search {
    color: #666;
    cursor: pointer;
    font-size: 16px;
}

/* Navigation */
.navbar {
    background: #fff;
    padding: 0;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: 20px 20px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #f39c12;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: #f39c12;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

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

.hero-content p {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-question {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.2);
    padding: 15px 25px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 30px;
}

.hero-question:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.hero-question span {
    font-size: 16px;
    font-weight: 500;
}

.hero-question i {
    font-size: 18px;
}

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

.intro-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.intro-logo {
    text-align: center;
}

.intro-logo-img {
    width: 100%;
    max-width: 420px;
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.logo-circle {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #4a90e2, #357abd);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto;
    position: relative;
}

.logo-circle span {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.logo-circle i {
    font-size: 2rem;
    color: #f39c12;
}

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #333;
}

.intro-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #666;
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #f39c12;
    color: white;
}

.btn-primary:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

/* Product Showcase */
.product-showcase {
    padding: 80px 0;
}

.tab-navigation {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    border-bottom: 2px solid #e9ecef;
}

.tab-btn {
    padding: 15px 30px;
    border: none;
    background: none;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn.active {
    background: #f39c12;
    color: white;
    border-radius: 5px 5px 0 0;
}

.tab-btn:hover:not(.active) {
    background: #f8f9fa;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-item {
    text-align: center;
    transition: transform 0.3s ease;
}

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

.product-image {
    position: relative;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
}

.product-item h3 {
    font-size: 1.1rem;
    color: #333;
    line-height: 1.4;
}

.view-more {
    text-align: center;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.view-more:hover {
    color: #f39c12;
}

/* Product Features */
.product-features {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    align-items: start;
}

.feature-column {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-column:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: #f39c12;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
}

.feature-column ul {
    list-style: none;
    text-align: left;
}

.feature-column li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.feature-column li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #f39c12;
    font-weight: bold;
}

/* News Center */
.news-center {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.news-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.news-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* Engineering Cases */
.engineering-cases {
    padding: 80px 0;
}

.engineering-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.case-item {
    text-align: center;
    transition: transform 0.3s ease;
}

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

.case-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

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

.case-item p {
    font-size: 1rem;
    color: #666;
}

/* Page Banner */
.page-banner {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    margin-top: 80px;
}

.page-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.breadcrumb {
    font-size: 1rem;
    color: #bdc3c7;
}

.breadcrumb span {
    margin: 0 10px;
}

.breadcrumb span:first-child {
    margin-left: 0;
}

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

.contact-details h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.contact-item i {
    font-size: 2rem;
    color: #f39c12;
    margin-right: 20px;
    width: 50px;
    text-align: center;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.contact-text p {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
}

/* Product Categories */
.product-categories {
    padding: 40px 0;
    background: #f8f9fa;
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.category-tab {
    padding: 12px 25px;
    border: 2px solid #e9ecef;
    background: white;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.category-tab.active,
.category-tab:hover {
    background: #f39c12;
    color: white;
    border-color: #f39c12;
}

/* Products Grid */
.products-showcase {
    padding: 60px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
}

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

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #333;
    line-height: 1.4;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.feature {
    background: #f39c12;
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.factory-direct {
    color: #e74c3c;
    font-weight: bold;
    font-size: 1rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #e9ecef;
    background: white;
    color: #666;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn.active,
.page-btn:hover {
    background: #f39c12;
    color: white;
    border-color: #f39c12;
}

.page-btn.next {
    width: auto;
    padding: 0 15px;
}

/* Certificate Content */
.certificate-content {
    padding: 60px 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
}

/* Sidebar */
.sidebar {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    height: fit-content;
}

.sidebar-section {
    margin-bottom: 40px;
}

.sidebar-title {
    background: #333;
    color: white;
    padding: 15px 20px;
    margin: -30px -30px 20px -30px;
    font-size: 1.1rem;
    border-radius: 10px 10px 0 0;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 15px;
}

.sidebar-menu a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

.sidebar-menu a:hover {
    color: #f39c12;
}

.sidebar .news-list {
    margin-top: 20px;
}

.sidebar .news-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
}

.sidebar .news-item img {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 5px;
    margin-right: 15px;
}

.sidebar .news-info h4 {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.4;
    margin: 0;
}

/* Main Content */
.main-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.certificate-display {
    text-align: center;
}

.certificate-image {
    margin-bottom: 30px;
}

.certificate-image img {
    max-width: 100%;
    height: auto;
    border: 1px solid #e9ecef;
    border-radius: 10px;
}

.certificate-details {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.certificate-details h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.detail-item {
    display: flex;
    margin-bottom: 20px;
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.detail-item .label {
    font-weight: bold;
    color: #333;
    width: 120px;
    flex-shrink: 0;
}

.detail-item .value {
    color: #666;
    flex: 1;
}

.status-active {
    color: #27ae60;
    font-weight: bold;
}

/* Case Overlay */
.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 15px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.case-item:hover .case-overlay {
    transform: translateY(0);
}

.case-overlay h3 {
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.3;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #f39c12;
}

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

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #f39c12;
}

.footer-section p {
    margin-bottom: 10px;
    color: #bdc3c7;
}

.footer-section i {
    margin-right: 10px;
    color: #f39c12;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright p {
    color: #95a5a6;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 15px 20px;
        border-bottom: 1px solid #e9ecef;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .logo-circle {
        width: 150px;
        height: 150px;
    }
    
    .logo-circle span {
        font-size: 1.2rem;
    }
    
    .logo-circle i {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .intro-text h2,
    .product-features h2,
    .engineering-cases h2,
    .news-content h2 {
        font-size: 2rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-navigation {
        flex-direction: column;
        border-bottom: none;
    }
    
    .tab-btn {
        border-radius: 5px;
        margin-bottom: 10px;
    }
    
    .tab-btn.active {
        border-radius: 5px;
    }
    
    /* 新页面响应式 */
    .page-banner h1 {
        font-size: 1.8rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .sidebar {
        order: 2;
    }
    
    .main-content {
        order: 1;
    }
    
    .certificate-details h2 {
        font-size: 1.5rem;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .detail-item .label {
        width: auto;
        margin-bottom: 5px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #f39c12;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.fadeIn {
    animation: fadeIn 0.5s ease;
}

/* Sitemap Styles */
.sitemap-content {
    padding: 80px 0;
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.sitemap-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.sitemap-section:hover {
    transform: translateY(-5px);
}

.sitemap-section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sitemap-section h2 i {
    color: #f39c12;
}

.sitemap-section ul {
    list-style: none;
    padding: 0;
}

.sitemap-section li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.sitemap-section li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

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

.sitemap-section a:hover {
    color: #f39c12;
}

.sitemap-info {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
}

.sitemap-info h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

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

.sitemap-info ul {
    text-align: left;
    max-width: 600px;
    margin: 0 auto 20px;
}

.sitemap-info li {
    margin-bottom: 10px;
    color: #666;
} 

/* 分页组件样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px 0;
    gap: 10px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #ddd;
    background: #fff;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.page-btn:hover {
    background: #f5f5f5;
    border-color: #ccc;
    color: #333;
}

.page-btn.active {
    background: #007bff;
    border-color: #007bff;
    color: #fff;
}

.page-btn.disabled {
    background: #f5f5f5;
    border-color: #ddd;
    color: #ccc;
    cursor: not-allowed;
}

.page-btn.disabled:hover {
    background: #f5f5f5;
    border-color: #ddd;
    color: #ccc;
}

.page-btn.next,
.page-btn:last-child {
    background: #007bff;
    border-color: #007bff;
    color: #fff;
}

.page-btn.next:hover,
.page-btn:last-child:hover {
    background: #0056b3;
    border-color: #0056b3;
}

/* 产品图片优化 */
.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
    transition: transform 0.3s ease;
}

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

/* 产品卡片优化 */
.product-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.product-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #333;
    line-height: 1.4;
}

.product-info p {
    margin: 0 0 10px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.feature {
    background: #f0f8ff;
    color: #0066cc;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid #e6f3ff;
}

.factory-direct {
    color: #ff6600;
    font-weight: bold;
    font-size: 14px;
    margin-top: 10px;
}

/* 分类标签优化 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 20px;
    border: 2px solid #007bff;
    background: transparent;
    color: #007bff;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.category-tab:hover,
.category-tab.active {
    background: #007bff;
    color: #fff;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .category-tabs {
        gap: 10px;
    }
    
    .category-tab {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .pagination {
        gap: 5px;
    }
    
    .page-btn {
        min-width: 35px;
        height: 35px;
        font-size: 13px;
    }
} 

/* 首页轮播图样式 */
.homepage-carousel { padding: 0; }
.homepage-carousel .container { max-width: 100%; padding-left: 0; padding-right: 0; }
.carousel-wrapper { position: relative; overflow: hidden; border-radius: 0; }
.carousel { display: flex; transition: transform 0.6s ease; width: 100%; }
.carousel-slide { min-width: 100%; display: flex; justify-content: center; align-items: center; background: #eaf3ff; }
.carousel-slide img { max-width: 1900px; width: 100%; height: 500px; object-fit: cover; display: block; }
.carousel-caption { position: absolute; left: 30px; bottom: 30px; background: rgba(0,0,0,0.45); color: #fff; padding: 12px 16px; border-radius: 8px; }
.carousel-caption h3 { margin: 0 0 6px 0; font-size: 20px; }
.carousel-caption p { margin: 0; font-size: 14px; opacity: .9; }
.carousel-dots { position: absolute; bottom: 15px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.carousel-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.6); cursor: pointer; transition: background .3s; }
.carousel-dots .dot.active { background: #fff; }

/* 轮播图控制按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-control:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .carousel-slide img { height: 300px; }
  .carousel-caption { left: 15px; right: 15px; bottom: 15px; }
} 

/* 资质荣誉标签页样式 */
.honors-content {
    text-align: center;
    padding: 40px 0;
}

.honors-content h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
}

.honors-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.honor-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.honor-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4A90E2, #7ED321);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.honor-icon i {
    font-size: 36px;
    color: white;
}

.honor-item h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.honor-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 标签页内容样式 */
.tab-content {
    display: none;
}

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

/* Product Detail Page */
.product-detail {
    padding: 120px 0 80px;
}

.product-detail h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: #333;
}

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

.product-detail-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.product-detail-info h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: #333;
}

.product-description {
    line-height: 1.8;
    color: #666;
}

.product-description img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
}

.product-description p {
    margin-bottom: 15px;
}

.product-description ul, .product-description ol {
    margin: 15px 0;
    padding-left: 20px;
}

.product-description li {
    margin-bottom: 8px;
}

/* Certificate Detail Page */
.certificate-detail {
    padding: 120px 0 80px;
}

.certificate-detail h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: #333;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .product-detail-body,
    .certificate-detail-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-detail h1,
    .certificate-detail h1 {
        font-size: 2rem;
    }
} 

/* TinyMCE Editor Styling */
.tox-tinymce {
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
}

.tox .tox-toolbar {
    background: #f8f9fa !important;
    border-bottom: 1px solid #ddd !important;
}

.tox .tox-toolbar__group {
    padding: 0 5px !important;
}

.tox .tox-tbtn {
    background: transparent !important;
    border: 1px solid transparent !important;
    border-radius: 3px !important;
}

.tox .tox-tbtn:hover {
    background: #e9ecef !important;
    border-color: #adb5bd !important;
}

.tox .tox-tbtn--enabled {
    background: #007bff !important;
    color: white !important;
}

/* Product Description Images */
.product-description img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.product-description img.img-fluid {
    width: 100%;
    height: auto;
}

/* Responsive Design for TinyMCE */
@media (max-width: 768px) {
    .tox-tinymce {
        font-size: 14px !important;
    }
    
    .tox .tox-toolbar__group {
        padding: 0 2px !important;
    }
} 

/* Certificate Detail Page Styles */
.certificate-detail {
    padding: 120px 0 80px;
}

.certificate-detail h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: #333;
    font-weight: 600;
}

.certificate-detail-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.certificate-image-container {
    text-align: center;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.certificate-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.certificate-image:hover {
    transform: scale(1.02);
}

.certificate-info {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.info-item {
    display: flex;
    margin-bottom: 20px;
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.info-item:last-of-type {
    border-bottom: none;
}

.info-item .label {
    font-weight: 600;
    color: #555;
    min-width: 120px;
    margin-right: 15px;
}

.info-item .value {
    color: #333;
    flex: 1;
}

.certificate-description {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #007bff;
}

.certificate-description h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.description-content {
    line-height: 1.8;
    color: #555;
}

.description-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 10px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Responsive Design for Certificate Detail */
@media (max-width: 1024px) {
    .certificate-detail-body {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 800px;
    }
    
    .certificate-image-container {
        order: 1;
    }
    
    .certificate-info {
        order: 2;
    }
}

@media (max-width: 768px) {
    .certificate-detail {
        padding: 100px 0 60px;
    }
    
    .certificate-detail h1 {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .certificate-detail-body {
        gap: 30px;
        padding: 0 20px;
    }
    
    .certificate-image-container,
    .certificate-info {
        padding: 20px;
    }
    
    .info-item {
        flex-direction: column;
        margin-bottom: 15px;
    }
    
    .info-item .label {
        margin-bottom: 5px;
        min-width: auto;
    }
} 

/* 无工程案例数据时的提示样式 */
.no-cases-message {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

.no-cases-message p {
    margin: 8px 0;
    font-size: 16px;
}

.no-cases-message p:first-child {
    font-size: 18px;
    color: #495057;
    font-weight: 500;
}

/* 工程案例网格样式优化 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.case-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.case-item:hover .case-overlay {
    transform: translateY(0);
}

.case-overlay h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    line-height: 1.4;
}

.case-overlay p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
} 

/* 无联系方式数据时的提示样式 */
.no-contacts-message {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
    grid-column: 1 / -1;
}

.no-contacts-message p {
    margin: 8px 0;
    font-size: 16px;
}

.no-contacts-message p:first-child {
    font-size: 18px;
    color: #495057;
    font-weight: 500;
}

/* 联系方式网格样式优化 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.contact-item i {
    font-size: 24px;
    color: #4A90E2;
    margin-right: 20px;
    margin-top: 5px;
}

.contact-text h3 {
    margin: 0 0 12px 0;
    color: #333;
    font-size: 18px;
}

.contact-text p {
    margin: 8px 0;
    color: #666;
    line-height: 1.6;
}

.contact-text p i {
    font-size: 14px;
    margin-right: 8px;
    color: #999;
} 

/* 关于我们页面样式 */
.company-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.intro-text h2 {
    color: #333;
    font-size: 32px;
    margin-bottom: 30px;
    position: relative;
}

.intro-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: #4A90E2;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.intro-image {
    text-align: center;
}

.company-logo {
    max-width: 300px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

/* 公司统计 */
.company-stats {
    padding: 80px 0;
    background: white;
}

.company-stats h2 {
    text-align: center;
    color: #333;
    font-size: 32px;
    margin-bottom: 50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #4A90E2;
    margin-bottom: 15px;
}

.stat-label {
    font-size: 18px;
    color: #666;
    font-weight: 500;
}

/* 核心优势 */
.core-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.core-advantages h2 {
    text-align: center;
    color: #333;
    font-size: 32px;
    margin-bottom: 50px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.advantage-icon i {
    font-size: 36px;
    color: white;
}

.advantage-item h3 {
    color: #333;
    font-size: 20px;
    margin-bottom: 15px;
}

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

/* 最新工程案例 */
.recent-projects {
    padding: 80px 0;
    background: white;
}

.recent-projects h2 {
    text-align: center;
    color: #333;
    font-size: 32px;
    margin-bottom: 50px;
}

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

.project-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.project-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-item:hover .project-overlay {
    transform: translateY(0);
}

.project-overlay h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    line-height: 1.4;
}

.project-overlay p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

/* 最新资质证书 */
.recent-certificates {
    padding: 80px 0;
    background: #f8f9fa;
}

.recent-certificates h2 {
    text-align: center;
    color: #333;
    font-size: 32px;
    margin-bottom: 50px;
}

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

.certificate-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.certificate-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.certificate-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.certificate-item:hover .certificate-overlay {
    transform: translateY(0);
}

.certificate-overlay h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    line-height: 1.4;
}

.certificate-overlay p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

/* 企业愿景 */
.company-vision {
    padding: 80px 0;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
}

.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-content h2 {
    font-size: 32px;
    margin-bottom: 25px;
}

.vision-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.vision-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.vision-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.vision-point i {
    font-size: 36px;
    opacity: 0.8;
}

.vision-point span {
    font-size: 16px;
    font-weight: 500;
}

/* 无数据提示样式 */
.no-projects-message,
.no-certificates-message {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
    grid-column: 1 / -1;
}

.no-projects-message p,
.no-certificates-message p {
    margin: 8px 0;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .projects-grid,
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .vision-points {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .company-intro,
    .company-stats,
    .core-advantages,
    .recent-projects,
    .recent-certificates,
    .company-vision {
        padding: 60px 0;
    }
} 

/* 留言页面样式 */
.message-form {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.form-header {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    padding: 40px;
    text-align: center;
    position: relative;
}

.form-header h2 {
    margin: 0 0 15px 0;
    font-size: 28px;
}

.form-header p {
    margin: 0;
    opacity: 0.9;
    line-height: 1.6;
}

.message-form-content {
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

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

.char-count {
    text-align: right;
    margin-top: 8px;
    color: #666;
    font-size: 14px;
}

.submit-btn {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* 错误和成功消息样式 */
.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    min-height: 20px;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    border: 1px solid #c3e6cb;
}

.error-message-global {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    border: 1px solid #f5c6cb;
}

/* 联系方式部分 */
.contact-info-section {
    padding: 80px 0;
    background: white;
}

.contact-info-content {
    text-align: center;
}

.contact-info-content h2 {
    color: #333;
    font-size: 32px;
    margin-bottom: 50px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-method {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.method-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.method-icon i {
    font-size: 28px;
    color: white;
}

.method-info h3 {
    color: #333;
    font-size: 18px;
    margin-bottom: 15px;
}

.method-info p {
    color: #666;
    margin: 8px 0;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .message-form-content {
        padding: 30px 20px;
    }
    
    .form-header {
        padding: 30px 20px;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .message-form,
    .contact-info-section {
        padding: 60px 0;
    }
}