/* 全局样式 */
* {
    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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* 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: 100;
}

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

.logo h1 {
    color: #0044cc;
    font-size: 24px;
}

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

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

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold; /* 加粗导航栏字体 */
    font-size: 18px; /* 加大导航栏字体 */
    transition: color 0.3s;
    padding: 10px 15px;
    border-radius: 4px;
}

nav ul li a:hover,
nav ul li a.active {
    color: #0044cc;
    background-color: #e6f0ff;
}

/* 主要内容样式 */
main {
    margin: 30px 0;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(rgba(0, 68, 204, 0.8), rgba(0, 68, 204, 0.9)), url('https://images.unsplash.com/photo-1644503003160-992d555b6c3f?ixlib=rb-4.0.3') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 80px 0;
    border-radius: 10px;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 20px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 68, 204, 0.8), rgba(0, 68, 204, 0.9)), url('https://images.unsplash.com/photo-1644503003160-992d555b6c3f?ixlib=rb-4.0.3') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 100px 0;
    border-radius: 10px;
    margin-bottom: 40px;
}

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

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

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

.btn:hover {
    background-color: #e65c00;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 网站简介 */
.intro {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.intro h2,
.news h2,
.services h2,
.cases h2,
.careers h2,
.contact-content h2,
.knowledge-content h2,
.faq-content h2,
.products-content h2,
.services-content h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 32px;
}

.intro p {
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 20px;
    padding: 0 20px;
}

/* 新闻动态 */
.news {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.news-item {
    padding: 20px;
    border-radius: 8px;
    background-color: #f0f8ff;
    transition: all 0.3s;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-item h3 {
    color: #0044cc;
    margin-bottom: 10px;
    font-size: 20px;
}

.date {
    color: #ff6600;
    font-weight: bold;
    margin-bottom: 10px;
}

/* 业务范围 */
.services {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.service-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    background-color: #f0f8ff;
    transition: all 0.3s;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-item h3 {
    color: #0044cc;
    margin-bottom: 15px;
    font-size: 22px;
}

/* 成功案例 */
.cases {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

.case-item h3 {
    color: #0044cc;
    margin-bottom: 15px;
    font-size: 20px;
}

/* 人才发展 */
.careers {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.careers h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
}

.careers p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 20px;
    padding: 0 20px;
    text-align: center;
}

/* 新闻内容 */
.news-content .news-article {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.news-content .news-article h2 {
    color: #0044cc;
    margin-bottom: 10px;
    text-align: left;
    font-size: 28px;
}

.news-content .date {
    color: #ff6600;
    font-weight: bold;
    margin-bottom: 20px;
}

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

/* 产品中心 */
.products-content .product-category {
    margin-bottom: 50px;
}

.products-content .product-category h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

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

.product-item {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

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

.product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    color: #0044cc;
    margin-bottom: 15px;
    font-size: 20px;
}

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

.product-info ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 15px;
}

.product-info li {
    margin-bottom: 8px;
    color: #666;
}

/* 服务中心 */
.services-content .service-category {
    margin-bottom: 50px;
}

.services-content .service-category h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

.service-description {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.service-description p {
    font-size: 18px;
    margin-bottom: 30px;
    text-align: center;
}

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

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

.feature h3 {
    color: #0044cc;
    margin-bottom: 15px;
    font-size: 20px;
}

/* 服务流程 */
.service-process {
    background-color: #fff;
    padding: 50px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.service-process h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #0044cc;
    font-size: 28px;
}

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

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

.step-number {
    width: 50px;
    height: 50px;
    background-color: #0044cc;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    color: #0044cc;
    margin-bottom: 15px;
    font-size: 20px;
}

/* 知识库 */
.knowledge-content .knowledge-category {
    margin-bottom: 50px;
}

.knowledge-content .knowledge-category h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

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

.knowledge-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

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

.knowledge-item h3 {
    color: #0044cc;
    margin-bottom: 10px;
    font-size: 20px;
}

.knowledge-item .date {
    color: #ff6600;
    font-weight: bold;
    margin-bottom: 15px;
}

.read-more {
    color: #0044cc;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 15px;
}

.read-more:hover {
    text-decoration: underline;
}

/* 常见问题 */
.faq-content .faq-category {
    margin-bottom: 50px;
}

.faq-content .faq-category h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

.faq-list {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid #eee;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    padding: 20px;
    background-color: #f0f8ff;
    cursor: pointer;
}

.faq-question h3 {
    color: #0044cc;
    font-size: 18px;
}

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

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

/* 联系方式 */
.contact-content .contact-intro {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    text-align: center;
}

.contact-content .contact-intro h2 {
    margin-bottom: 20px;
    color: #0044cc;
}

.contact-content .departments h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

.department-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.department {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s;
}

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

.department h3 {
    color: #0044cc;
    margin-bottom: 20px;
    font-size: 20px;
}

.contact-person {
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-email {
    color: #0044cc;
    margin-bottom: 15px;
    font-weight: bold;
}

.contact-notes {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-notes h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #0044cc;
    font-size: 28px;
}

.contact-notes ul {
    list-style-type: disc;
    padding-left: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-notes li {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.6;
}

/* 页脚 */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero h2,
    .page-header h1 {
        font-size: 32px;
    }
    
    .hero p,
    .page-header p {
        font-size: 18px;
    }
    
    .intro h2,
    .news h2,
    .services h2,
    .cases h2,
    .careers h2,
    .contact-content h2,
    .knowledge-content h2,
    .faq-content h2,
    .products-content h2,
    .services-content h2 {
        font-size: 28px;
    }
    
    .intro p {
        font-size: 16px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}