/* 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;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 20px 0;
    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;
}

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

.logo p {
    font-size: 14px;
    opacity: 0.9;
}

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

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

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 4px;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #f8f9fa;
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: #1e3c72;
    text-decoration: none;
}

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

/* 首页横幅 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6));
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

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

.btn {
    display: inline-block;
    background: #ff6b35;
    color: white;
    padding: 5px 25px;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background: #df4107;
    transform: translateY(-3px);
}

main {
    padding-bottom: 80px;
}

/* 公司简介 */
.intro {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.intro h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.intro-text {
    flex: 1;
}

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

.intro-image {
    flex: 1;
    text-align: center;
    color: #1e3c72;
}

/* 新闻动态 */
.news {
    padding: 80px 0;
}

.news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.news-item {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.news-item i {
    color: #ff6b35;
    margin-bottom: 15px;
}

.news-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.news-item p {
    margin-bottom: 20px;
    color: #666;
}

.news-item a {
    color: #ff6b35;
    text-decoration: none;
    font-weight: bold;
}

/* 新闻列表页面 */
.news-page h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

.news-article {
    display: flex;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.news-date {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 20px;
    text-align: center;
    min-width: 100px;
}

.news-date .day {
    display: block;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 5px;
}

.news-date .month {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

.news-date .year {
    display: block;
    font-size: 14px;
}

.news-content {
    padding: 25px;
    flex: 1;
}

.news-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #999;
}

.news-meta i {
    margin-right: 5px;
}

.read-more {
    color: #ff6b35;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.read-more:hover {
    padding-left: 5px;
}

/* 产品中心 */
.products-page h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

.product-categories {
    margin-bottom: 40px;
}

.product-categories ul {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.product-categories ul li a {
    display: block;
    padding: 10px 20px;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.product-categories ul li a:hover,
.product-categories ul li.active a {
    background: #1e3c72;
    color: white;
}

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

.product-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.product-image {
    background: #f8f9fa;
    padding: 40px 20px;
    text-align: center;
    color: #1e3c72;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1e3c72;
}

.product-desc {
    color: #666;
    margin-bottom: 20px;
    font-size: 14px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 20px;
    font-weight: bold;
    color: #ff6b35;
}

/* 服务中心 */
.services-page h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

.services-list {
    display: grid;
    gap: 30px;
}

.service-card {
    display: flex;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.service-icon {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
}

.service-content {
    padding: 30px;
    flex: 1;
}

.service-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.service-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-content ul {
    list-style: none;
    margin-bottom: 20px;
}

.service-content ul li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    color: #666;
}

.service-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ff6b35;
    font-weight: bold;
}

/* 服务优势 */
.service-advantages {
    padding: 80px 0 0 0;
    background-color: #f8f9fa;
}

.service-advantages h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.advantage-item {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.advantage-item i {
    color: #1e3c72;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.advantage-item p {
    color: #666;
}

/* 关于我们 */
.about-intro {
    padding: 80px 0;
}

.about-intro h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.intro-text {
    flex: 1;
}

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

.intro-image {
    flex: 1;
    text-align: center;
    color: #1e3c72;
}

/* 企业文化 */
.culture {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.culture h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.culture-item {
    background: white;
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.culture-item i {
    color: #1e3c72;
    margin-bottom: 20px;
}

.culture-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.culture-item p {
    color: #666;
}

/* 发展历程 */
.history {
    padding: 80px 0;
}

.history h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #1e3c72;
    left: 50%;
    margin-left: -2px;
}

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

.timeline-date {
    background: #1e3c72;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    text-align: center;
    width: 100px;
    margin: 0 auto 20px;
}

.timeline-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin: 0 20px;
}

.timeline-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.timeline-content p {
    color: #666;
    line-height: 1.8;
}

/* 资质荣誉 */
.honors {
    padding: 80px 0 0 0;
    background-color: #f8f9fa;
}

.honors h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.honor-item {
    background: white;
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.honor-item i {
    color: #ff6b35;
    margin-bottom: 20px;
}

.honor-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.honor-item p {
    color: #666;
}

/* 联系我们 */
.contact-page {
    padding: 80px 0;
}

.contact-page h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-info h3,
.departments h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #1e3c72;
    padding-bottom: 10px;
    border-bottom: 2px solid #1e3c72;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    color: #1e3c72;
    font-size: 24px;
    min-width: 30px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1e3c72;
}

.contact-item p {
    color: #666;
}

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

.department-item {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.department-item i {
    color: #1e3c72;
    margin-bottom: 15px;
}

.department-item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.department-item p {
    margin-bottom: 10px;
    color: #666;
}

.department-item a {
    color: #ff6b35;
    text-decoration: none;
}

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

/* 地图位置 */
.map-section {
    padding: 80px 0 0 0;
    background-color: #f8f9fa;
}

.map-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

.map-placeholder {
    background: white;
    border-radius: 10px;
    padding: 60px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: #666;
}

.map-placeholder i {
    color: #1e3c72;
    margin-bottom: 20px;
}

.map-placeholder p {
    margin-bottom: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    display: block;
    padding: 10px 20px;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background: #1e3c72;
    color: white;
}

/* 页脚 */
footer {
    background: #1e3c72;
    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 {
    font-size: 20px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: #ff6b35;
}

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

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

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

.footer-section ul li a:hover {
    color: #ff6b35;
    padding-left: 5px;
}

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

.footer-section i {
    width: 20px;
    text-align: center;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: white;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #ff6b35;
    transform: translateY(-3px);
}

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

/* 业务范围 */
.services {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.service-item {
    background: white;
    border-radius: 10px;
    padding: 40px 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.service-item i {
    color: #1e3c72;
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.service-item p {
    color: #666;
    line-height: 1.6;
}

/* 成功案例 */
.cases {
    padding: 80px 0;
}

.cases h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.case-item {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 10px;
    padding: 40px 25px;
    text-align: center;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.case-item:before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.case-item:hover:before {
    left: 100%;
}

.case-item i {
    margin-bottom: 20px;
    color: #ffcc00;
}

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

.case-item p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 人才发展 */
.careers {
    padding: 80px 0 0 0;
    background-color: #f8f9fa;
}

.careers h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e3c72;
}

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

.careers-text {
    flex: 1;
}

.careers-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

.careers-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item {
    background: white;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.stat-item .number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #1e3c72;
    margin-bottom: 5px;
}

.stat-item .label {
    font-size: 16px;
    color: #666;
}

/* 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: 32px;
    }

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

    .intro-content,
    .careers-content,
    .contact-content {
        flex-direction: column;
    }

    .careers-stats {
        grid-template-columns: 1fr 1fr;
    }

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

    .service-card {
        flex-direction: column;
    }

    .service-icon {
        min-width: auto;
        padding: 20px;
    }

    .timeline:before {
        left: 30px;
    }

    .timeline-date {
        float: left;
        margin-left: 0;
        margin-right: 20px;
    }

    .timeline-content {
        margin-left: 100px;
    }
}