/* 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;
}

/* 页头样式 */
header {
    background-color: #0a2e5c;
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    margin-bottom: 20px;
    text-align: center;
}

.logo h1 {
    font-size: 28px;
    font-weight: bold;
}

.logo p {
    font-size: 14px;
    opacity: 0.8;
}

nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

nav ul li {
    margin: 5px 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    padding: 10px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #f7b500;
    color: #0a2e5c;
}

/* 主要内容样式 */
main {
    padding: 0 0 40px 0;
}

section {
    margin-bottom: 60px;
}

h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
    color: #0a2e5c;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #f7b500;
    margin: 10px auto;
}

.lead {
    text-align: center;
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
}

/* 首页横幅 */
.hero {
    background: linear-gradient(rgba(10, 46, 92, 0.8), rgba(10, 46, 92, 0.8));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: white;
}

.hero p {
    font-size: 22px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 关于我们横幅 */
.about-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.about-hero h2 {
    font-size: 42px;
    color: white;
}

.about-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 新闻横幅 */
.news-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.news-hero h2 {
    font-size: 42px;
    color: white;
}

.news-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 产品横幅 */
.products-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.products-hero h2 {
    font-size: 42px;
    color: white;
}

.products-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 服务横幅 */
.services-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.services-hero h2 {
    font-size: 42px;
    color: white;
}

.services-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 案例横幅 */
.cases-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.cases-hero h2 {
    font-size: 42px;
    color: white;
}

.cases-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 知识库横幅 */
.knowledge-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.knowledge-hero h2 {
    font-size: 42px;
    color: white;
}

.knowledge-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* FAQ横幅 */
.faq-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.faq-hero h2 {
    font-size: 42px;
    color: white;
}

.faq-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 联系我们横幅 */
.contact-hero {
    background: linear-gradient(rgba(10, 46, 92, 0.9), rgba(10, 46, 92, 0.9));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.contact-hero h2 {
    font-size: 42px;
    color: white;
}

.contact-hero .lead {
    color: #e6e6e6;
    font-size: 20px;
    margin-bottom: 0;
}

/* 关于我们内容 */
.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    text-align: left;
    margin-bottom: 25px;
}

.about-section p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

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

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: #0a2e5c;
    left: 50%;
    margin-left: -2px;
}

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

.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;
    width: 80px;
    height: 80px;
    background-color: #f7b500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a2e5c;
    font-weight: bold;
    font-size: 20px;
    left: 50%;
    margin-left: -40px;
    top: 0;
    box-shadow: 0 0 0 6px rgba(247, 181, 0, 0.3);
}

.timeline-content {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.timeline-content h3 {
    color: #0a2e5c;
    margin-bottom: 10px;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.culture-item {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.culture-item h3 {
    color: #0a2e5c;
    margin-bottom: 15px;
    font-size: 20px;
}

/* 资质荣誉 */
.certificates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

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

.certificate-item img {
    width: 100%;
    max-width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 新闻筛选 */
.news-filter {
    text-align: center;
    margin-bottom: 30px;
}

.news-filter select {
    padding: 10px 20px;
    font-size: 16px;
    border: 2px solid #0a2e5c;
    border-radius: 4px;
    background-color: white;
    color: #0a2e5c;
    font-weight: bold;
}

/* 新闻列表 */
.news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.news-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 15px;
}

.news-item p {
    margin: 6px 0 0 0 !important;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.news-image {
    flex: 1;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-text {
    flex: 2;
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.news-tag {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 10px;
    align-self: flex-start;
}

.company-tag {
    background-color: #0a2e5c;
    color: white;
}

.tech-tag {
    background-color: #f7b500;
    color: #0a2e5c;
}

.industry-tag {
    background-color: #28a745;
    color: white;
}

.news-text h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #0a2e5c;
}

.date {
    color: #f7b500;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-text p {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* 产品筛选 */
.products-filter,
.cases-filter {
    text-align: center;
    margin-bottom: 40px;
}

.products-filter ul,
.cases-filter ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
}

.products-filter ul li,
.cases-filter ul li {
    margin: 5px 10px;
    padding: 10px 20px;
    background-color: #f8f9fa;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.products-filter ul li:hover,
.products-filter ul li.active,
.cases-filter ul li:hover,
.cases-filter ul li.active {
    background-color: #0a2e5c;
    color: white;
}

/* 产品网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.product-image {
    height: 200px;
}

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

.product-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}

.product-info h3 {
    color: #0a2e5c;
    margin-bottom: 10px;
    font-size: 20px;
}

.product-category {
    color: #f7b500;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 14px;
}

.product-info p {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* 案例网格 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.case-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 15px;
}

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

.case-image {
    height: 200px;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}

.case-info h3 {
    color: #0a2e5c;
    margin-bottom: 10px;
    font-size: 20px;
}

.case-category {
    color: #f7b500;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 14px;
}

.case-info p {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* 知识库搜索 */
.knowledge-search,
.faq-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto 40px;
}

.knowledge-search input,
.faq-search input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #0a2e5c;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.knowledge-search button,
.faq-search button {
    background-color: #f7b500;
    color: #0a2e5c;
    border: none;
    padding: 0 30px;
    border-radius: 0 4px 4px 0;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.knowledge-search button:hover,
.faq-search button:hover {
    background-color: #e6a000;
}

/* 知识库分类 */
.knowledge-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

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

.category-item h3 {
    color: #0a2e5c;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f7b500;
}

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

.category-item ul li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.category-item ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-item ul li a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.category-item ul li a:hover {
    color: #0a2e5c;
    padding-left: 5px;
}

/* 热门文档 */
.knowledge-featured h2 {
    text-align: center;
    margin-bottom: 40px;
}

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

.featured-item {
    display: flex;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.featured-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.featured-image {
    flex: 1;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-info {
    flex: 2;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.featured-info h3 {
    color: #0a2e5c;
    margin-bottom: 10px;
    font-size: 18px;
}

.date {
    color: #f7b500;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 14px;
}

.featured-info p {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* FAQ分类筛选 */
.category-filter {
    text-align: center;
    margin-bottom: 40px;
}

.category-filter ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
}

.category-filter ul li {
    margin: 5px 10px;
    padding: 10px 20px;
    background-color: #f8f9fa;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.category-filter ul li:hover,
.category-filter ul li.active {
    background-color: #0a2e5c;
    color: white;
}

/* FAQ列表 */
.faq-list {
    margin-bottom: 50px;
}

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

.faq-question {
    padding: 20px;
    background-color: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    color: #0a2e5c;
    font-size: 18px;
    margin: 0;
    flex-grow: 1;
}

.faq-category {
    background-color: #0a2e5c;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    margin-left: 15px;
    white-space: nowrap;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

.faq-answer p {
    margin: 0;
    line-height: 1.8;
}

/* FAQ联系 */
.faq-contact {
    text-align: center;
    background-color: #f8f9fa;
    padding: 50px;
    border-radius: 8px;
}

.faq-contact h2 {
    text-align: center;
    margin-bottom: 20px;
}

.faq-contact p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #666;
}

/* 联系我们介绍 */
.contact-intro {
    text-align: center;
    margin-bottom: 40px;
}

.contact-intro h2 {
    text-align: center;
    margin-bottom: 20px;
}

.contact-intro p {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* 联系卡片 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    margin-bottom: 20px;
}

.contact-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.contact-card h3 {
    color: #0a2e5c;
    margin-bottom: 20px;
    font-size: 22px;
}

.contact-person {
    margin-bottom: 20px;
}

.contact-person p {
    margin: 5px 0;
    font-weight: bold;
    color: #0a2e5c;
}

.contact-card p:last-child {
    color: #666;
    font-size: 14px;
}

/* 公司信息 */
.contact-info {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
}

.contact-info h2 {
    text-align: center;
    margin-bottom: 30px;
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

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

.info-item h3 {
    color: #0a2e5c;
    margin-bottom: 15px;
    font-size: 20px;
}

.info-item p {
    margin: 5px 0;
    font-size: 16px;
}

/* 服务介绍 */
.services-intro {
    text-align: center;
    margin-bottom: 50px;
    padding: 0 20px;
}

.services-intro h2 {
    text-align: center;
    margin-bottom: 20px;
}

.services-intro p {
    font-size: 16px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 服务网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-item {
    background-color: white;
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.service-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.service-item h3 {
    color: #0a2e5c;
    margin-bottom: 15px;
    font-size: 20px;
}

/* 服务流程 */
.service-process {
    margin-bottom: 50px;
}

.service-process h2 {
    text-align: center;
    margin-bottom: 40px;
}

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

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #0a2e5c;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.process-step h3 {
    color: #0a2e5c;
    margin-bottom: 10px;
    font-size: 18px;
}

/* 服务承诺 */
.service-commitment {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
}

.service-commitment h2 {
    text-align: center;
    margin-bottom: 30px;
}

.commitment-content ul {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.commitment-content ul li {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    font-size: 16px;
}

.commitment-content ul li:last-child {
    border-bottom: none;
}

.commitment-content ul li strong {
    color: #0a2e5c;
}

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

.page-link {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    text-decoration: none;
    color: #0a2e5c;
    border: 1px solid #0a2e5c;
    border-radius: 4px;
    font-weight: bold;
}

.page-link:hover,
.page-link.active {
    background-color: #0a2e5c;
    color: white;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    background-color: #f7b500;
    color: #0a2e5c;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid #f7b500;
    align-self: flex-start;
    text-align: center;
}

.btn:hover {
    background-color: transparent;
    color: #f7b500;
}

.text-center {
    text-align: center;
    margin-top: 30px;
}

/* 公司简介 */
.intro-content {
    display: flex;
    gap: 30px;
    align-items: center;
}

.intro-text {
    flex: 1;
}

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

.intro-image {
    flex: 1;
}

.intro-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 新闻动态 */
.news-list-simple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-item-simple {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.news-item-simple h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #0a2e5c;
}

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

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

.service-item-home:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-item-home h3 {
    color: #0a2e5c;
    margin-bottom: 15px;
    font-size: 22px;
}

/* 成功案例首页 */
.cases-grid-home {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-item-home {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

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

.case-item-home h3 {
    padding: 15px;
    color: #0a2e5c;
    font-size: 18px;
}

.case-item-home p {
    padding: 0 15px 20px;
    color: #666;
    font-size: 14px;
}

/* 人才发展 */
.careers-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.careers-content p {
    margin-bottom: 20px;
    font-size: 16px;
}

/* 页脚样式 */
footer {
    background-color: #0a2e5c;
    color: white;
    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;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: #f7b500;
}

.footer-section ul {
    list-style: none;
    columns: 2;
    column-gap: 30px;
}

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

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

.footer-section ul li a:hover {
    color: #f7b500;
    padding-left: 5px;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h2 {
        font-size: 36px;
    }

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

    .intro-content {
        flex-direction: column;
    }

    h2 {
        font-size: 28px;
    }

    .timeline:before {
        left: 30px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 80px;
        text-align: left;
    }

    .timeline-year {
        left: 30px;
        margin-left: 0;
    }

    .news-list {
        grid-template-columns: 1fr;
    }

    .news-item {
        flex-direction: column;
    }

    .news-image {
        height: 250px;
    }

    .products-filter ul,
    .cases-filter ul,
    .category-filter ul {
        flex-direction: column;
        align-items: center;
    }

    .products-filter ul li,
    .cases-filter ul li,
    .category-filter ul li {
        margin: 5px 0;
        width: 80%;
    }

    .service-commitment {
        padding: 20px;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .knowledge-search,
    .faq-search {
        flex-direction: column;
    }

    .knowledge-search input,
    .faq-search input {
        border-radius: 4px;
        margin-bottom: 10px;
    }

    .knowledge-search button,
    .faq-search button {
        border-radius: 4px;
        padding: 15px;
    }

    .featured-item {
        flex-direction: column;
    }

    .featured-image {
        height: 200px;
    }

    .faq-question {
        flex-direction: column;
        align-items: flex-start;
    }

    .faq-category {
        margin-left: 0;
        margin-top: 10px;
    }

    .faq-contact {
        padding: 30px 20px;
    }

    .contact-info {
        padding: 20px;
    }

    .footer-section ul {
        columns: 1;
    }
}