/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: '思源黑体 Regular', 'Microsoft YaHei', sans-serif;
    color: #333333;
    line-height: 1.6;
    background-color: #FFFFFF;
}

h1, h2, h3, h4, h5, h6 {
    font-family: '思源黑体 Bold', 'Microsoft YaHei', sans-serif;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333333;
}

a {
    text-decoration: none;
    color: #1E88E5;
    transition: color 0.3s ease;
}

a:hover {
    color: #4CAF50;
}

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

/* 头部样式 */
header {
    background-color: #FFFFFF;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #1E88E5;
    color: #FFFFFF;
    padding: 10px 0;
    text-align: center;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

.logo img {
    height: 60px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 24px;
    color: #1E88E5;
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
    position: relative;
}

nav ul li a {
    color: #333333;
    font-weight: 500;
    font-size: 16px;
}

nav ul li a:hover {
    color: #1E88E5;
}

/* 下拉菜单 */
nav ul li .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #FFFFFF;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
}

nav ul li:hover .dropdown {
    opacity: 1;
    visibility: visible;
}

nav ul li .dropdown li {
    margin: 0;
    padding: 0 20px;
    width: 100%;
}

nav ul li .dropdown li a {
    display: block;
    padding: 10px 0;
    color: #333333;
    width: 100%;
    transition: all 0.3s ease;
}

nav ul li .dropdown li a:hover {
    color: #1E88E5;
    padding-left: 5px;
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

/* 英雄区样式 */
.hero {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.hero-slide {
    flex: 0 0 100%;
    height: 100%;
    position: relative;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: #FFFFFF;
    max-width: 500px;
    z-index: 10;
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-content .btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.hero-content .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

/* 轮播导航按钮 */
.hero-prev,
.hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 20;
    transition: background-color 0.3s ease;
}

.hero-prev {
    left: 30px;
}

.hero-next {
    right: 30px;
}

.hero-prev:hover,
.hero-next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

.hero-indicator {
    width: 15px;
    height: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.hero-indicator.active {
    background-color: #FFFFFF;
    transform: scale(1.2);
}

.hero-indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

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

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

.section-title h2 {
    font-size: 36px;
    color: #333333;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

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

.advantage-item {
    background-color: #FFFFFF;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-item .icon {
    width: 80px;
    height: 80px;
    background-color: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #1E88E5;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333333;
}

.advantage-item p {
    color: #666666;
    line-height: 1.6;
}

/* 产品矩阵速览 */
.product-overview {
    padding: 80px 0;
}

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

.product-item {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

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

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

.product-item .product-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333333;
}

.product-item .product-content p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-item .product-content .btn {
    display: inline-block;
    padding: 8px 20px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.product-item .product-content .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

/* 应用案例展示 */
.cases-showcase {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.case-item {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

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

.case-item .case-content {
    padding: 25px;
}

.case-item .case-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333333;
}

.case-item .case-content p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-item .case-content .case-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.case-item .case-content .case-meta .date {
    color: #999999;
    font-size: 14px;
}

.case-item .case-content .case-meta .btn {
    display: inline-block;
    padding: 8px 20px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.case-item .case-content .case-meta .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

/* 合作生态模块 */
.cooperation-ecosystem {
    padding: 80px 0;
}

.partners-logo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.partner-logo {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    transition: transform 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-5px);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 新闻动态速递 */
.news-updates {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.news-item {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.news-item .news-content {
    padding: 25px;
}

.news-item .news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333333;
}

.news-item .news-content p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-item .news-content .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.news-item .news-content .news-meta .date {
    color: #999999;
    font-size: 14px;
}

.news-item .news-content .news-meta .btn {
    display: inline-block;
    padding: 8px 20px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.news-item .news-content .news-meta .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

/* 底部区域 */
footer {
    background-color: #333333;
    color: #FFFFFF;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.footer-column p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

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

.footer-column ul li a {
    color: #cccccc;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #1E88E5;
}

.footer-column .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-column .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #FFFFFF;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer-column .social-links a:hover {
    background-color: #1E88E5;
    color: #FFFFFF;
}

.footer-column .wechat-qr {
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.footer-column .wechat-qr img {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.footer-column .wechat-qr p {
    margin-bottom: 0;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999999;
}

/* 响应式样式 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    /* 导航菜单 */
    nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: block;
        font-size: 24px;
        cursor: pointer;
    }
    
    /* 产品矩阵页面 */
    .products-container {
        flex-direction: column;
    }
    
    .products-sidebar {
        flex: 1;
        order: 1;
    }
    
    .products-content {
        flex: 1;
        order: 2;
    }
    
    /* 核心业务页面 */
    .business-section > div {
        flex-direction: column;
        gap: 30px;
    }
    
    .business-section > div > div {
        flex: 1;
    }
    
    /* 关于我们页面 */
    .about-section > div {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-section > div > div {
        flex: 1;
    }
    
    /* 新闻动态页面 */
    .news-section > div {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 案例页面 */
    .cases-section > div {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 产品矩阵速览 */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-column h3 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .footer-column .wechat-qr img {
        width: 100px;
        height: 100px;
    }
    
    /* 导航菜单 */
    .header-main {
        padding: 15px 0;
    }
    
    .logo img {
        height: 40px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    /* 轮播图 */
    .hero {
        height: 400px;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .hero-prev,
    .hero-next {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .hero-prev {
        left: 15px;
    }
    
    .hero-next {
        right: 15px;
    }
    
    /* 核心优势 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 产品矩阵速览 */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 产品矩阵页面 */
    .products-header h1 {
        font-size: 28px;
    }
    
    .products-header p {
        font-size: 16px;
    }
    
    /* 新闻动态页面 */
    .news-section > div {
        grid-template-columns: 1fr;
    }
    
    /* 案例页面 */
    .cases-section > div {
        grid-template-columns: 1fr;
    }
    
    /* 联系我们页面 */
    .contact-section > div {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact-info,
    .contact-form {
        flex: 1;
    }
    
    /* 招聘页面 */
    .recruitment-section > div {
        flex-direction: column;
        gap: 30px;
    }
    
    .recruitment-info,
    .recruitment-form {
        flex: 1;
    }
}

/* 产品矩阵页面 */
.products-page {
    padding: 60px 0;
}

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

.products-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333333;
}

.products-header p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.products-container {
    display: flex;
    gap: 40px;
}

.products-sidebar {
    flex: 0 0 250px;
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
}

.products-sidebar h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333333;
}

.products-sidebar ul {
    list-style: none;
}

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

.products-sidebar ul li a {
    color: #666666;
    display: block;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.products-sidebar ul li a:hover,
.products-sidebar ul li a.active {
    background-color: #1E88E5;
    color: #FFFFFF;
}

.products-content {
    flex: 1;
}

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

.product-category h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #333333;
    padding-bottom: 15px;
    border-bottom: 2px solid #1E88E5;
}

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

.product-detail {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-detail:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-detail .product-image {
    height: 250px;
    overflow: hidden;
}

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

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

.product-detail .product-info {
    padding: 30px;
}

.product-detail .product-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333333;
}

.product-detail .product-info p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.product-detail .product-info .product-features h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #333333;
}

.product-detail .product-info .product-features ul {
    list-style: none;
    margin-left: 20px;
}

.product-detail .product-info .product-features ul li {
    margin-bottom: 10px;
    position: relative;
}

.product-detail .product-info .product-features ul li:before {
    content: "•";
    color: #1E88E5;
    font-weight: bold;
    position: absolute;
    left: -20px;
}

.product-detail .product-info .product-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.product-detail .product-info .product-actions .btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-detail .product-info .product-actions .btn-primary {
    background-color: #1E88E5;
    color: #FFFFFF;
}

.product-detail .product-info .product-actions .btn-primary:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

.product-detail .product-info .product-actions .btn-secondary {
    background-color: #f8f9fa;
    color: #333333;
    border: 1px solid #ddd;
}

.product-detail .product-info .product-actions .btn-secondary:hover {
    background-color: #e9ecef;
}

/* 技术实力页面 */
.technology-page {
    padding: 60px 0;
}

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

.technology-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333333;
}

.technology-header p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.technology-section {
    margin-bottom: 80px;
}

.technology-section h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #333333;
    padding-bottom: 15px;
    border-bottom: 2px solid #1E88E5;
}

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

.technology-content .technology-image {
    flex: 0 0 50%;
}

.technology-content .technology-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.technology-content .technology-text {
    flex: 1;
}

.technology-content .technology-text h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333333;
}

.technology-content .technology-text p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.technology-content .technology-text ul {
    list-style: none;
    margin-left: 20px;
}

.technology-content .technology-text ul li {
    margin-bottom: 10px;
    position: relative;
}

.technology-content .technology-text ul li:before {
    content: "•";
    color: #1E88E5;
    font-weight: bold;
    position: absolute;
    left: -20px;
}

/* 应用案例页面 */
.cases-page {
    padding: 60px 0;
}

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

.cases-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333333;
}

.cases-header p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.cases-filter {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.cases-filter button {
    padding: 10px 20px;
    background-color: #f8f9fa;
    color: #333333;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cases-filter button:hover,
.cases-filter button.active {
    background-color: #1E88E5;
    color: #FFFFFF;
    border-color: #1E88E5;
}

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

.case-detail {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-detail:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

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

.case-detail .case-content {
    padding: 25px;
}

.case-detail .case-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333333;
}

.case-detail .case-content p {
    color: #666666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-detail .case-content .case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.case-detail .case-content .case-tags .tag {
    padding: 5px 15px;
    background-color: #f8f9fa;
    color: #666666;
    border-radius: 15px;
    font-size: 12px;
}

.case-detail .case-content .case-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.case-detail .case-content .case-actions .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.case-detail .case-content .case-actions .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

/* 合作生态页面 */
.cooperation-page {
    padding: 60px 0;
}

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

.cooperation-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333333;
}

.cooperation-header p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.cooperation-modes {
    margin-bottom: 80px;
}

.cooperation-modes h2 {
    font-size: 28px;
    margin-bottom: 40px;
    color: #333333;
    text-align: center;
}

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

.mode-item {
    background-color: #FFFFFF;
    border-radius: 10px;
    padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mode-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mode-item .icon {
    width: 80px;
    height: 80px;
    background-color: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #1E88E5;
}

.mode-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333333;
}

.mode-item p {
    color: #666666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.mode-item .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.mode-item .btn:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}

.cooperation-form {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 60px;
    margin-top: 60px;
}

.cooperation-form h2 {
    font-size: 28px;
    margin-bottom: 40px;
    color: #333333;
    text-align: center;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1E88E5;
}

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

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

.form-actions {
    text-align: center;
    margin-top: 40px;
}

.form-actions .btn {
    display: inline-block;
    padding: 12px 40px;
    background-color: #1E88E5;
    color: #FFFFFF;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.form-actions .btn:hover {
    background-color: #4CAF50;
}

/* 联系我们页面 */
.contact-page {
    padding: 60px 0;
}

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

.contact-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333333;
}

.contact-header p {
    font-size: 18px;
    color: #666666;
    max-width: 700px;
    margin: 0 auto;
}

.contact-container {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 0 0 40%;
}

.contact-info h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333333;
}

.contact-details {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item .icon {
    flex: 0 0 50px;
    height: 50px;
    background-color: #1E88E5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 20px;
    margin-right: 20px;
}

.contact-item .content h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333333;
}

.contact-item .content p {
    color: #666666;
    line-height: 1.6;
    margin: 0;
}

.contact-form {
    flex: 1;
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 40px;
}

.contact-form h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333333;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .advantages-grid,
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid,
    .news-grid,
    .products-list,
    .modes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .products-container {
        flex-direction: column;
    }
    
    .products-sidebar {
        flex: 1;
        order: 2;
    }
    
    .products-content {
        order: 1;
    }
    
    .technology-content {
        flex-direction: column;
        text-align: center;
    }
    
    .technology-content .technology-image {
        flex: 1;
        margin-bottom: 30px;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .contact-info {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero-content h2 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .cases-grid,
    .news-grid,
    .products-list,
    .modes-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cooperation-form {
        padding: 30px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .hero {
        height: 300px;
    }
    
    .hero-content h2 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .advantages-grid,
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-details,
    .contact-form {
        padding: 30px 20px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #1E88E5;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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