/* 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;
}

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

/* 导航栏 */
nav {
    background-color: #003366;
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo a {
    color: white;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
}

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

nav .nav-links li {
    margin-left: 20px;
}

nav .nav-links a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

nav .nav-links a:hover {
    color: #ffcc00;
}

/* 首屏Banner */
.banner {
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=space%20aerospace%20technology%20background&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 150px 0;
    text-align: center;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.banner p {
    font-size: 24px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: #ffcc00;
    color: #003366;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #ffd700;
}

/* 绵阳科技动态 */
.tech-news {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.tech-news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #003366;
}

.news-list {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.news-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    flex: 0 0 48%;
}

.news-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #003366;
}

.news-item p:nth-child(2) {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-item p:nth-child(3) {
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-item a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}

.btn-more {
    display: block;
    text-align: center;
    color: #0066cc;
    text-decoration: none;
    font-size: 16px;
    margin-top: 30px;
}

/* 绵阳航天航空产业 */
.aerospace-industry {
    padding: 80px 0;
}

.aerospace-industry h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #003366;
}

.company-list {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.company-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    flex: 0 0 31%;
    text-align: center;
}

.company-item img {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    object-fit: contain;
}

.company-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #003366;
}

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

.company-item a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}

/* 新闻资讯 */
.news-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.news-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #003366;
}

.news-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.news-tabs button {
    background-color: white;
    border: 1px solid #ddd;
    padding: 10px 30px;
    margin: 0 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
}

.news-tabs button.active {
    background-color: #003366;
    color: white;
    border-color: #003366;
}

.news-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 页脚 */
footer {
    background-color: #003366;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-info {
    flex: 0 0 40%;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

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

.footer-links {
    flex: 0 0 25%;
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ffcc00;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

/* 页面标题 */
.page-title {
    background-color: #003366;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-title h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

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

/* 筛选器 */
.filter {
    padding: 30px 0;
    background-color: #f9f9f9;
    border-bottom: 1px solid #ddd;
}

.filter-options {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-options select,
.filter-options input {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.filter-options input {
    flex: 1;
    max-width: 300px;
}

.search-btn {
    background-color: #003366;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.search-btn:hover {
    background-color: #004080;
}

/* 科技资讯、政策、产业动态 */
.tech-info,
.tech-policy,
.industry-news {
    padding: 60px 0;
}

.tech-info h2,
.tech-policy h2,
.industry-news h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.policy-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.policy-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.policy-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #003366;
}

.policy-item p:nth-child(2) {
    color: #666;
    margin-bottom: 5px;
    font-size: 14px;
}

.policy-item p:nth-child(3) {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 14px;
}

.policy-item p:nth-child(4) {
    margin-bottom: 20px;
    line-height: 1.6;
}

.download-btn {
    display: inline-block;
    background-color: #0066cc;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 14px;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: #0052a3;
}

/* 企业列表 */
.company-section {
    padding: 60px 0;
}

.company-section h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.company-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

.company-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.company-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #003366;
    text-align: center;
}

.company-type {
    background-color: #0066cc;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 14px;
    display: inline-block;
    margin-bottom: 15px;
}

.company-year,
.company-business,
.company-contact {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.5;
}

.company-website,
.company-detail {
    display: inline-block;
    margin-top: 15px;
    margin-right: 10px;
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
}

/* 企业入驻申请 */
.company-application {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.company-application h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.application-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background-color: #003366;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #004080;
}

/* 合作案例 */
.cooperation-cases {
    padding: 60px 0;
}

.cooperation-cases h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.case-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #003366;
}

.case-item p:nth-child(2) {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.case-item p:nth-child(3) {
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-item a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}

/* 新闻分类标签 */
.news-category {
    background-color: #f9f9f9;
    border-bottom: 1px solid #ddd;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
    flex-wrap: wrap;
}

.category-tabs button {
    background-color: white;
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
}

.category-tabs button.active {
    background-color: #003366;
    color: white;
    border-color: #003366;
}

/* 新闻列表 */
.news-list-section {
    padding: 60px 0;
}

.news-content {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.news-tab-content {
    display: none;
}

.news-tab-content.active {
    display: block;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

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

.pagination a:hover {
    background-color: #f9f9f9;
}

.pagination a.active {
    background-color: #003366;
    color: white;
    border-color: #003366;
}

.pagination a.prev,
.pagination a.next {
    font-weight: bold;
}

/* 研究院简介 */
.about-intro {
    padding: 60px 0;
}

.intro-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #003366;
}

.intro-text p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.intro-image {
    flex: 1;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 发展历程 */
.development-history {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.development-history h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #003366;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-date {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background-color: #003366;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
}

.timeline-content {
    width: 45%;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #003366;
}

.timeline-content p {
    line-height: 1.6;
}

/* 组织架构 */
.organization {
    padding: 60px 0;
}

.organization h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.org-level-1,
.org-level-2,
.org-level-3 {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.org-item {
    background-color: #003366;
    color: white;
    padding: 20px 30px;
    border-radius: 10px;
    font-weight: bold;
    text-align: center;
    min-width: 150px;
}

.org-level-2 .org-item {
    background-color: #0066cc;
}

.org-level-3 .org-item {
    background-color: #0099ff;
}

/* 科研团队 */
.research-team {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.research-team h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.team-member {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.member-photo {
    margin-bottom: 20px;
}

.member-photo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #003366;
}

.member-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #003366;
}

.member-info p {
    font-size: 14px;
    margin-bottom: 5px;
    line-height: 1.5;
}

/* 重点项目 */
.key-projects {
    padding: 60px 0;
}

.key-projects h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.project-card {
    display: flex;
    gap: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.project-image {
    flex: 0 0 400px;
}

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

.project-info {
    flex: 1;
    padding: 30px;
}

.project-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #003366;
}

.project-type,
.project-status {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    margin-right: 10px;
    margin-bottom: 15px;
}

.project-type {
    background-color: #0066cc;
    color: white;
}

.project-status {
    background-color: #4CAF50;
    color: white;
}

.project-status.completed {
    background-color: #2196F3;
}

.project-status.planned {
    background-color: #FF9800;
}

.project-fund,
.project-period {
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

.project-desc {
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-detail {
    display: inline-block;
    background-color: #003366;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.project-detail:hover {
    background-color: #004080;
}

/* 项目成果 */
.project-achievements {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.project-achievements h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.achievement-item {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.achievement-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

.achievement-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #003366;
}

.achievement-info p {
    font-size: 36px;
    font-weight: bold;
    color: #0066cc;
}

/* 合作方式 */
.cooperation-modes {
    padding: 60px 0;
}

.cooperation-modes h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.mode-item {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.mode-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

.mode-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #003366;
}

.mode-info p {
    line-height: 1.6;
}

/* 合作案例 */
.cooperation-cases {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.cooperation-cases h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.case-card {
    display: flex;
    gap: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.case-image {
    flex: 0 0 400px;
}

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

.case-info {
    flex: 1;
    padding: 30px;
}

.case-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #003366;
}

.case-date {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.case-desc {
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-detail {
    display: inline-block;
    background-color: #003366;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.case-detail:hover {
    background-color: #004080;
}

/* 合作申请 */
.cooperation-application {
    padding: 60px 0;
}

.cooperation-application h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.application-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    background-color: #003366;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #004080;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        width: 90%;
    }

    .company-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

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

    .intro-image img {
        height: 300px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-date {
        left: 20px;
        transform: none;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
    }

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

    .project-image {
        flex: 0 0 300px;
    }

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

    .case-image {
        flex: 0 0 300px;
    }
}

@media (max-width: 768px) {
    nav .nav-links {
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #003366;
        width: 100%;
        padding: 20px 0;
        display: none;
    }

    nav .nav-links li {
        margin: 10px 0;
        text-align: center;
    }

    .banner h1 {
        font-size: 36px;
    }

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

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

    .news-item {
        flex: 100%;
        margin-bottom: 20px;
    }

    .company-list {
        flex-direction: column;
    }

    .company-item {
        flex: 100%;
        margin-bottom: 20px;
    }

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

    .footer-info,
    .footer-links {
        flex: 100%;
        margin-bottom: 30px;
    }

    .filter-options {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-options select,
    .filter-options input {
        width: 100%;
        max-width: none;
    }

    .search-btn {
        width: 100%;
    }

    .company-grid {
        grid-template-columns: 1fr;
    }

    .application-form {
        padding: 20px;
    }

    .category-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .category-tabs button {
        width: 100%;
        text-align: center;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .pagination a {
        flex: 1;
        min-width: 40px;
        text-align: center;
    }

    .org-level-1,
    .org-level-2,
    .org-level-3 {
        flex-direction: column;
        align-items: center;
    }

    .org-item {
        min-width: 200px;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .project-image {
        flex: 0 0 200px;
    }

    .case-image {
        flex: 0 0 200px;
    }

    .form-row {
        flex-direction: column;
    }
}

/* 招聘岗位 */
.recruitment {
    padding: 60px 0;
}

.recruitment h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.job-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.job-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.job-header h3 {
    font-size: 24px;
    color: #003366;
}

.job-type {
    background-color: #0066cc;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.job-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.job-salary,
.job-education,
.job-experience,
.job-location {
    font-size: 14px;
    color: #666;
}

.job-desc {
    margin-bottom: 20px;
}

.job-desc h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.job-desc ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.job-desc li {
    margin-bottom: 5px;
    line-height: 1.5;
}

.apply-btn {
    display: inline-block;
    background-color: #003366;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.apply-btn:hover {
    background-color: #004080;
}

/* 应聘方式 */
.application-method {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.application-method h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.method-item {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
}

.method-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #003366;
}

.method-item p {
    margin-bottom: 10px;
    line-height: 1.6;
}

/* 申请表单 */
.application-form-section {
    padding: 60px 0;
}

.application-form-section h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

/* 联系方式 */
.contact-info {
    padding: 60px 0;
}

.contact-info h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.info-icon {
    flex: 0 0 40px;
}

.info-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #003366;
}

.info-content p {
    line-height: 1.6;
}

/* 联系表单 */
.contact-form-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.contact-form-section h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

/* 地图 */
.map-section {
    padding: 60px 0;
}

.map-section h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.map {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.map img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 导航栏激活状态 */
nav .nav-links a.active {
    color: #ffcc00;
    font-weight: bold;
}

/* 科普研学页面 */
.education-programs {
    padding: 60px 0;
}

.education-programs h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.program-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.program-item {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.program-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

.program-item h3 {
    font-size: 18px;
    margin: 20px;
    color: #003366;
}

.program-item p {
    margin: 0 20px 20px;
    line-height: 1.6;
    color: #666;
}

.program-item .btn {
    margin: 0 20px 20px;
}

.science-activities {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.science-activities h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

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

.activity-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.activity-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #003366;
}

.activity-item p {
    margin-bottom: 10px;
    line-height: 1.6;
}

.activity-item .date {
    color: #0066cc;
    font-weight: bold;
    margin-top: 15px;
}

.education-bases {
    padding: 60px 0;
}

.education-bases h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.base-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 30px;
}

.base-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.base-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #003366;
}

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

.registration {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.registration h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 40px;
    color: #003366;
}

.registration-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}