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

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

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

/* 导航栏样式 */
.navbar {
    background-color: #1a3c6c;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo h1 {
    color: #fff;
    font-size: 24px;
}

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

.nav-menu li {
    margin-left: 5px;
}

.nav-menu a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 20px 15px;
    font-size: 18px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: #0d2a52;
}

/* 主要内容区域 */
main {
    margin-top: 65px;
}

/* 首页横幅 */
.hero {
    background: linear-gradient(rgba(26, 60, 108, 0.8), rgba(26, 60, 108, 0.9));
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content {
    text-align: center;
    padding: 100px 0;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 服务中心页面横幅 */
.service-hero {
    background: linear-gradient(135deg, #1a3c6c 0%, #0d2a52 100%);
    height: 300px;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.service-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-hero p {
    font-size: 24px;
    opacity: 0.9;
}

/* 按钮样式 */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #e94b35;
    color: white;
}

.btn-primary:hover {
    background-color: #d13a27;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: #1a3c6c;
    color: white;
}

.btn-secondary:hover {
    background-color: #0d2a52;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 网站简介 */
.intro {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.intro h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 0;
}

.intro-content p {
    font-size: 18px;
    text-align: center;
    line-height: 1.8;
}

/* 服务中心简介 */
.service-intro {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.service-intro .intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.service-icon {
    font-size: 60px;
    margin-bottom: 30px;
}

/* 新闻动态 */
.news {
    padding: 60px 0;
}

.news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
    margin-top: 30px;
}

.news-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.news-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1a3c6c;
}

.news-item .read {
    margin-top: 15px;
}

.date {
    color: #e94b35;
    font-weight: bold;
    margin-bottom: 15px;
}

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

/* 业务范围 */
.services {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.service-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1a3c6c;
}

.service-item .service-icon-large {
    font-size: 40px;
    margin-bottom: 20px;
}

/* 成功案例 */
.cases {
    padding: 60px 0;
}

.cases h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.case-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    text-align: center;
}

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

.case-icon {
    font-size: 60px;
    padding: 20px;
    background-color: #f8f9fa;
}

.case-item h3 {
    padding: 20px 20px 0 20px;
    font-size: 18px;
    color: #1a3c6c;
}

.case-item p {
    padding: 10px 20px 20px;
}

/* 人才发展 */
.careers {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.careers h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.careers-content p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* 页脚 */
footer {
    background-color: #1a3c6c;
    color: #fff;
    padding: 50px 0 20px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

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

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #3a5a8a;
}

/* 公司简介页面样式 */
.history {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.history h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: #1a3c6c;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 100%;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 30px);
    text-align: right;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 30px);
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1a3c6c;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    top: 0;
}

.timeline-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    color: #1a3c6c;
    margin-bottom: 10px;
}

.culture {
    padding: 60px 0;
}

.culture h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.culture-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.culture-item h3 {
    color: #1a3c6c;
    margin-bottom: 15px;
}

.team {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.team h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.team-member {
    text-align: center;
    background-color: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.team-member-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.team-member h3 {
    color: #1a3c6c;
    margin-bottom: 10px;
}

/* 新闻列表页面样式 */
.news-list {
    padding: 0 0 60px 0;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.page-btn {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    background-color: #f8f9fa;
    color: #1a3c6c;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
    background-color: #1a3c6c;
    color: white;
}

/* 产品中心页面样式 */
.products {
    padding: 60px 0;
}

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.category-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 10px 20px;
    background-color: #f8f9fa;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-btn:hover,
.category-btn.active {
    background-color: #1a3c6c;
    color: white;
}

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

.product-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    text-align: center;
}

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

.product-icon {
    font-size: 60px;
    padding: 20px;
    background-color: #f8f9fa;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    color: #1a3c6c;
    margin-bottom: 10px;
}

/* 服务流程样式 */
.service-process {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
}

.service-process h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #1a3c6c;
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
    position: relative;
    background-color: #fff;
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.step-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: #1a3c6c;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* 服务承诺 */
.service-commitment {
    padding: 80px 0;
    background-color: #1a3c6c;
    color: white;
}

.service-commitment h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

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

.commitment-item {
    text-align: center;
    padding: 30px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.commitment-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.commitment-item h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

/* 服务区域 */
.service-areas {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.service-areas h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #1a3c6c;
}

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

.areas-content p {
    font-size: 18px;
    margin-bottom: 30px;
    line-height: 1.8;
}

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

.area-group {
    background-color: #fff;
    padding: 25px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.area-group h3 {
    color: #1a3c6c;
    margin-bottom: 15px;
}

.area-group ul {
    list-style: none;
    padding: 0;
}

.area-group li {
    margin-bottom: 8px;
}

/* 行动号召区域 */
.cta-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #e94b35 0%, #d13a27 100%);
    color: white;
}

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

.cta-section p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-contact {
    max-width: 600px;
    margin: 30px auto;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 10px;
}

.cta-contact p {
    font-size: 18px;
    margin-bottom: 10px;
}

.cta-contact a {
    color: white;
    text-decoration: underline;
}

/* 服务区域 */
.service-areas {
    padding: 60px 0;
}

.service-areas h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.areas-content p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
    text-align: center;
}

.areas-list {
    max-width: 800px;
    margin: 0 auto 20px;
    text-align: left;
}

.areas-list li {
    margin-bottom: 10px;
    font-size: 16px;
}

/* 客户评价样式 */
.testimonials {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.testimonial {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.testimonial::before {
    content: "" ";
 font-size: 60px;
    color: #e94b35;
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 10px;
    font-family: Georgia, serif;
}

.client {
    text-align: right;
    margin-top: 20px;
    font-weight: bold;
    color: #1a3c6c;
}

/* 知识库页面样式 */
.knowledge-categories {
    padding: 60px 0;
}

.knowledge-categories h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.category-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

.category-item h3 {
    color: #1a3c6c;
    margin-bottom: 15px;
}

.category-item ul {
    list-style-type: none;
    padding-left: 0;
}

.category-item li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.category-item li::before {
    content: "▶";
    color: #e94b35;
    position: absolute;
    left: 0;
    top: 0;
}

.category-item a {
    color: #1a3c6c;
    text-decoration: none;
    transition: color 0.3s;
}

.category-item a:hover {
    color: #e94b35;
    text-decoration: underline;
}

.latest-articles {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.latest-articles h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

.article-item {
    background-color: #fff;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.article-item h3 a {
    color: #1a3c6c;
    text-decoration: none;
    transition: color 0.3s;
}

.article-item h3 a:hover {
    color: #e94b35;
}

.article-meta {
    color: #666;
    font-size: 14px;
    margin: 10px 0;
}

.download-center {
    padding: 60px 0;
}

.download-center h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.download-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

.download-item h3 {
    color: #1a3c6c;
    margin-bottom: 20px;
}

.download-item ul {
    list-style-type: none;
    padding-left: 0;
}

.download-item li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.download-item li::before {
    content: "⬇";
    color: #1a3c6c;
    position: absolute;
    left: 0;
    top: 0;
}

.download-item a {
    color: #1a3c6c;
    text-decoration: none;
    transition: color 0.3s;
}

.download-item a:hover {
    color: #e94b35;
    text-decoration: underline;
}

/* FAQ页面样式 */
.faq-section {
    padding: 60px 0;
}

.faq-section:nth-child(even) {
    background-color: #f8f9fa;
}

.faq-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.faq-item {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.faq-question {
    background-color: #1a3c6c;
    padding: 20px;
    cursor: pointer;
}

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

.faq-answer {
    background-color: #fff;
    padding: 20px;
    display: none;
}

.contact-prompt {
    padding: 60px 0;
    text-align: center;
    background-color: #1a3c6c;
    color: white;
}

.contact-prompt h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-prompt p {
    font-size: 18px;
    margin-bottom: 30px;
}

.contact-prompt .btn-primary {
    background-color: #e94b35;
}

/* 联系方式页面样式 */
.contact-info h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.contact-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1a3c6c;
}

.contact-item p {
    margin-bottom: 10px;
}

.contact-item a {
    color: #e94b35;
    text-decoration: none;
    font-weight: bold;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-message {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.contact-message h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.message-info p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.message-info li {
    margin-bottom: 10px;
    font-size: 16px;
}

.company-address {
    padding: 60px 0;
}

.company-address h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a3c6c;
}

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

.address-info p {
    font-size: 18px;
    margin-bottom: 10px;
}

.map-placeholder {
    background-color: #f8f9fa;
    padding: 50px 20px;
    margin-top: 20px;
    border-radius: 8px;
    font-size: 18px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        position: absolute;
        top: 65px;
        left: -100%;
        width: 100%;
        background-color: #1a3c6c;
        transition: all 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content h1,
    .service-hero h1 {
        font-size: 36px;
    }

    .hero-content p,
    .service-hero p {
        font-size: 18px;
    }

    .intro h2,
    .news h2,
    .services h2,
    .cases h2,
    .careers h2 {
        font-size: 28px;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        padding-right: 0 !important;
        padding-left: 70px !important;
        text-align: left !important;
    }

    .timeline-year {
        left: 30px;
        transform: translateX(0);
    }

    .process-steps,
    .commitment-content,
    .areas-grid {
        grid-template-columns: 1fr;
    }
}