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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

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

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

.logo h1 {
    color: #004b91;
    font-size: 24px;
    font-weight: bold;
}

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

nav ul li {
    margin-left: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-size: 18px;
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 4px;
}

nav ul li a:hover,
nav ul li a.active {
    color: #004b91;
    background-color: #e3f2fd;
}

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, #004b91, #0066cc);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

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

/* 首页样式 */
.hero {
    background: linear-gradient(rgba(0, 75, 145, 0.8), rgba(0, 75, 145, 0.9)), url('') no-repeat center center;
    background-size: cover;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background-color: #ff6600;
    color: white;
    padding: 15px 30px;
    font-size: 18px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #e65c00;
}

/* 公司简介 */
.intro {
    padding: 60px 0;
    background-color: #fff;
}

.intro h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

.intro-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.intro-text {
    flex: 1;
    min-width: 300px;
}

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

.features {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-item {
    padding: 25px;
    background-color: #f0f8ff;
    border-radius: 8px;
    border-left: 4px solid #004b91;
}

.feature-item h3 {
    color: #004b91;
    margin-bottom: 10px;
}

/* 业务范围 */
.services {
    padding: 60px 0;
    background-color: #f0f8ff;
}

.services h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    color: #004b91;
    margin-bottom: 15px;
    font-size: 22px;
}

/* 新闻动态 */
.news {
    padding: 60px 0;
    background-color: #fff;
}

.news h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.news-item {
    padding: 25px;
    background-color: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #ff6600;
}

.news-item h3 {
    margin-bottom: 10px;
}

.news-item h3 a {
    color: #004b91;
    text-decoration: none;
    transition: color 0.3s;
}

.news-item h3 a:hover {
    color: #ff6600;
}

.news-item .date {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    display: block;
}

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

.more-link {
    display: inline-block;
    color: #ff6600;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border: 2px solid #ff6600;
    border-radius: 5px;
    transition: all 0.3s;
}

.more-link:hover {
    background-color: #ff6600;
    color: white;
}

/* 成功案例 */
.cases {
    padding: 60px 0;
    background-color: #f0f8ff;
}

.cases h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.case-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.case-item h3 {
    color: #004b91;
    margin-bottom: 15px;
}

/* 关于我们页面样式 */
.about-content {
    padding: 40px 0;
}

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

.about-section h2 {
    color: #004b91;
    font-size: 28px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #004b91;
}

.about-section p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.culture-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.value-item {
    padding: 20px;
    background-color: #f0f8ff;
    border-radius: 8px;
    text-align: center;
}

.value-item h3 {
    color: #004b91;
    margin-bottom: 10px;
}

.timeline {
    position: relative;
    padding-left: 30px;
    margin-top: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: #004b91;
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 30px;
}

.timeline-year {
    position: absolute;
    left: -28px;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: #004b91;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transform: translateX(-50%);
}

.timeline-content h3 {
    color: #004b91;
    margin-bottom: 10px;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: #f0f8ff;
    border-radius: 8px;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: bold;
    color: #ff6600;
    margin-bottom: 5px;
}

.stat-label {
    color: #666;
}

/* 产品中心样式 */
.product-categories {
    padding: 40px 0;
}

.product-categories h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
    color: #004b91;
}

.category-filter {
    text-align: center;
    margin-bottom: 30px;
}

.filter-btn {
    background-color: #e3f2fd;
    color: #004b91;
    border: none;
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #004b91;
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.product-image {
    height: 200px;
    background-color: #f0f8ff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 48px;
    color: #004b91;
    opacity: 0.7;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    color: #004b91;
    margin-bottom: 10px;
}

.product-desc {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #ff6600;
    margin-bottom: 15px;
}

.btn-small {
    display: inline-block;
    background-color: #004b91;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-small:hover {
    background-color: #003366;
}

.product-advantages {
    padding: 40px 0;
    background-color: #f0f8ff;
}

.product-advantages h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.advantage-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.advantage-item h3 {
    color: #004b91;
    margin-bottom: 15px;
}

/* 服务中心样式 */
.services-overview {
    padding: 40px 0;
}

.services-overview h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.service-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.service-item:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-item h3 {
    color: #004b91;
    margin-bottom: 15px;
}

.service-process {
    padding: 60px 0;
    background-color: #f0f8ff;
}

.service-process h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.step-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: #ff6600;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.step-item h3 {
    color: #004b91;
    margin-bottom: 15px;
    margin-top: 20px;
}

.service-commitment {
    padding: 60px 0;
}

.service-commitment h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

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

.commitment-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.commitment-item h3 {
    color: #004b91;
    margin-bottom: 15px;
}

/* 新闻资讯样式 */
.news-content {
    padding: 40px 0;
}

.news-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.news-main {
    flex: 1;
    min-width: 300px;
}

.news-sidebar {
    width: 300px;
    min-width: 300px;
}

.news-article {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.news-article h2 {
    color: #004b91;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    margin-bottom: 20px;
    color: #666;
}

.article-meta span {
    margin-right: 20px;
}

.article-meta .category {
    background-color: #e3f2fd;
    color: #004b91;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 14px;
}

.article-content h3 {
    color: #004b91;
    margin: 25px 0 15px;
}

.article-content p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.sidebar-widget {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.sidebar-widget h3 {
    color: #004b91;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 12px;
}

.category-list a {
    text-decoration: none;
    color: #333;
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s;
}

.category-list a:hover,
.category-list a.active {
    background-color: #e3f2fd;
    color: #004b91;
}

.hot-news {
    list-style: none;
}

.hot-news li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.hot-news li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.hot-news a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: color 0.3s;
}

.hot-news a:hover {
    color: #ff6600;
}

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

.tags-cloud a {
    display: inline-block;
    background-color: #e3f2fd;
    color: #004b91;
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.tags-cloud a:hover {
    background-color: #004b91;
    color: white;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.pagination a {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    text-decoration: none;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination a.current {
    background-color: #004b91;
    color: white;
    border-color: #004b91;
}

/* 知识库样式 */
.knowledge-content {
    padding: 40px 0;
}

.knowledge-categories h2,
.knowledge-articles h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #004b91;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.category-card {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.category-card h3 {
    color: #004b91;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.category-card ul {
    list-style: none;
}

.category-card li {
    margin-bottom: 12px;
}

.category-card a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: color 0.3s;
}

.category-card a:hover {
    color: #ff6600;
}

.knowledge-article {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.knowledge-article h3 {
    color: #004b91;
    margin-bottom: 15px;
}

.knowledge-article h4 {
    color: #0066cc;
    margin: 20px 0 10px;
}

.knowledge-article p,
.knowledge-article ul,
.knowledge-article ol {
    margin-bottom: 15px;
    line-height: 1.8;
}

.knowledge-article ul,
.knowledge-article ol {
    padding-left: 20px;
}

/* 常见问题样式 */
.faq-content {
    padding: 40px 0;
}

.faq-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto 30px;
}

.faq-search input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.faq-search button {
    background-color: #004b91;
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.faq-search button:hover {
    background-color: #003366;
}

.faq-categories {
    text-align: center;
    margin-bottom: 40px;
}

.category-btn {
    background-color: #e3f2fd;
    color: #004b91;
    border: none;
    padding: 10px 20px;
    margin: 0 5px 10px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-btn.active,
.category-btn:hover {
    background-color: #004b91;
    color: white;
}

.faq-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    background-color: #f0f8ff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    color: #004b91;
    font-size: 18px;
    margin: 0;
}

.faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: #004b91;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 1000px;
}

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

/* 行业资讯样式 */
.industry-content {
    padding: 40px 0;
}

.industry-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.industry-main {
    flex: 1;
    min-width: 300px;
}

.industry-sidebar {
    width: 300px;
    min-width: 300px;
}

.industry-article {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.industry-article h2 {
    color: #004b91;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    margin-bottom: 20px;
    color: #666;
    flex-wrap: wrap;
}

.article-meta span {
    margin-right: 20px;
    margin-bottom: 5px;
}

.article-meta .category {
    background-color: #e3f2fd;
    color: #004b91;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 14px;
}

.article-content h3 {
    color: #004b91;
    margin: 25px 0 15px;
}

.article-content p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.topic-list {
    list-style: none;
}

.topic-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.topic-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.topic-list a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: color 0.3s;
}

.topic-list a:hover {
    color: #ff6600;
}

.report-item {
    margin-bottom: 25px;
}

.report-item h4 {
    color: #004b91;
    margin-bottom: 10px;
}

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

.download-btn {
    display: inline-block;
    background-color: #004b91;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: #003366;
}

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

.subscribe-form input {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.subscribe-form button {
    background-color: #ff6600;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 16px;
    font-weight: 500;
}

.subscribe-form button:hover {
    background-color: #e65c00;
}

/* 解决方案样式 */
.solutions-overview {
    padding: 40px 0;
}

.solutions-overview h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #004b91;
}

.section-desc {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.solution-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #004b91;
}

.solution-card h3 {
    color: #004b91;
    margin-bottom: 15px;
}

.solution-details {
    padding: 40px 0;
    background-color: #f0f8ff;
}

.solution-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

.solution-item h2 {
    color: #004b91;
    margin-bottom: 30px;
    text-align: center;
}

.solution-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.solution-image {
    flex: 1;
    min-width: 300px;
    height: 300px;
    background-color: #f0f8ff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.solution-text {
    flex: 1;
    min-width: 300px;
}

.solution-text h3 {
    color: #004b91;
    margin: 20px 0 10px;
}

.solution-text ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.solution-text ul li {
    margin-bottom: 10px;
}

.solution-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.solution-cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #004b91, #0066cc);
    color: white;
}

.solution-cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.solution-cta p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 联系我们样式 */
.contact-content {
    padding: 40px 0;
}

.contact-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-map {
    width: 400px;
    min-width: 300px;
}

.contact-info h2,
.contact-map h2 {
    color: #004b91;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #004b91;
}

.company-info p {
    margin-bottom: 15px;
    font-size: 16px;
}

.departments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.department {
    background-color: #f0f8ff;
    padding: 20px;
    border-radius: 8px;
}

.department h3 {
    color: #004b91;
    margin-bottom: 15px;
}

.department p {
    margin-bottom: 8px;
}

.department a {
    color: #004b91;
    text-decoration: none;
}

.department a:hover {
    text-decoration: underline;
}

.traffic-info h3 {
    color: #004b91;
    margin: 20px 0 10px;
}

.traffic-info p {
    margin-bottom: 10px;
}

.map-placeholder {
    height: 300px;
    background-color: #f0f8ff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 30px;
}

.map-placeholder p {
    font-size: 18px;
    color: #666;
}

.work-hours p {
    margin-bottom: 10px;
}

/* 页脚样式 */
footer {
    background-color: #004b91;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: #ff6600;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

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

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

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

.footer-section p a {
    color: #ccc;
    text-decoration: none;
}

.footer-section p a:hover {
    color: white;
    text-decoration: underline;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 15px 20px;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero {
        padding: 60px 20px;
    }
    
    .hero h2 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .intro-content,
    .solution-content {
        flex-direction: column;
    }
    
    .news-layout,
    .industry-layout,
    .contact-layout {
        flex-direction: column;
    }
    
    .news-sidebar,
    .industry-sidebar,
    .contact-map {
        width: 100%;
    }
    
    .departments {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 16px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .intro h2,
    .services h2,
    .news h2,
    .cases h2,
    .product-categories h2,
    .services-overview h2,
    .solutions-overview h2,
    .knowledge-categories h2,
    .knowledge-articles h2 {
        font-size: 24px;
    }
    
    .solution-item {
        padding: 20px;
    }
    
    .faq-search {
        flex-direction: column;
    }
    
    .faq-search input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .faq-search button {
        border-radius: 4px;
        padding: 12px;
    }
}