:root {
    --primary-color: #2c5e1a;
    --secondary-color: #4a8c2c;
    --accent-color: #8bc34a;
    --text-color: #333;
    --light-bg: #f5f5f5;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: url('../images/background.jpg') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: -1;
}

/* Home Page Background */
body.home-page::before {
    background-color: rgba(255, 255, 255, 0);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

nav {
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 1rem;
    line-height: 1.5;
    display: inline-block;
    text-align: center;
    min-width: 80px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background-color: rgba(44, 94, 26, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* News Section */
.news {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.news h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.news-card h3 {
    padding: 1rem;
    color: var(--primary-color);
}

.news-card p {
    padding: 0 1rem 1rem;
}

.read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 1rem 1rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(255, 255, 255, 0.95);
    min-width: 200px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 5px;
    padding: 0.5rem 0;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: left;
    min-width: auto;
    text-decoration: none;
}

.dropdown-menu a:hover {
    background-color: rgba(44, 94, 26, 0.1);
    color: var(--primary-color);
}

/* Mobile Menu Styles */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem;
    z-index: 999;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    padding-left: 1rem;
    background-color: transparent;
}

.mobile-menu .dropdown.active .dropdown-menu {
    display: block;
}

@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        padding-left: 1rem;
        background-color: transparent;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
}

/* Page Header Styles */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/page-header-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    text-align: center;
    color: var(--white);
    margin-top: 80px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Container Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* News List Styles */
.news-list {
    padding: 4rem 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-date {
    display: block;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-card p {
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--light-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .page-header {
        padding: 80px 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* About Page Styles */
.about-content {
    padding: 4rem 0;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.about-section p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.area-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.area-card:hover {
    transform: translateY(-5px);
}

.area-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.area-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.year {
    width: 100px;
    height: 100px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    z-index: 1;
}

.content {
    flex: 1;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: 10px;
    margin: 0 2rem;
}

.content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .year {
        width: 60px;
        height: 60px;
        font-size: 1rem;
    }
    
    .content {
        margin-left: 4rem;
        margin-right: 0;
    }
}

/* Research Page Styles */
.research-content {
    padding: 4rem 0;
}

.research-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.research-card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.research-card:hover {
    transform: translateY(-5px);
}

.research-icon {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.research-icon i {
    font-size: 3rem;
}

.research-info {
    padding: 2rem;
}

.research-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.research-info p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.research-details {
    list-style: none;
    padding: 0;
}

.research-details li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.research-details li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .research-section {
        grid-template-columns: 1fr;
    }
}

/* Academic Page Styles */
.academic-content {
    padding: 4rem 0;
}

.academic-section {
    margin-bottom: 4rem;
}

.academic-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.activity-card {
    display: flex;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-5px);
}

.activity-date {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 100px;
}

.activity-date .day {
    font-size: 2rem;
    font-weight: bold;
    line-height: 1;
}

.activity-date .month {
    font-size: 1rem;
    margin-top: 0.5rem;
}

.activity-info {
    padding: 1.5rem;
    flex: 1;
}

.activity-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.activity-info p {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.project-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-card p {
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .activity-card {
        flex-direction: column;
    }
    
    .activity-date {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
        padding: 1rem;
    }
    
    .activity-date .day {
        font-size: 1.5rem;
    }
    
    .activity-date .month {
        margin-top: 0;
    }
}

/* Conferences Page Styles */
.conferences-content {
    padding: 4rem 0;
}

.conferences-section {
    margin-bottom: 4rem;
}

.conferences-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.conferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.conference-card {
    display: flex;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.conference-card:hover {
    transform: translateY(-5px);
}

.conference-date {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 100px;
}

.conference-date .day {
    font-size: 2rem;
    font-weight: bold;
    line-height: 1;
}

.conference-date .month {
    font-size: 1rem;
    margin-top: 0.5rem;
}

.conference-info {
    padding: 1.5rem;
    flex: 1;
}

.conference-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.conference-info p {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.past-conferences {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.conference-item {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.conference-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.conference-item p {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Collaborations Page Styles */
.collaborations-content {
    padding: 4rem 0;
}

.collaborations-section {
    margin-bottom: 4rem;
}

.collaborations-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.partner-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.partner-card img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.partner-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.partner-card p {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Achievements Page Styles */
.achievements-content {
    padding: 4rem 0;
}

.achievements-section {
    margin-bottom: 4rem;
}

.achievements-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.achievement-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.achievement-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.achievement-card p {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Contact Page Styles */
.contact-content {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.contact-info {
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.info-item p {
    color: var(--text-color);
    font-size: 0.9rem;
}

.contact-form {
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.contact-form h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.9rem;
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
}

@media (max-width: 768px) {
    .conference-card {
        flex-direction: column;
    }
    
    .conference-date {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
        padding: 1rem;
    }
    
    .conference-date .day {
        font-size: 1.5rem;
    }
    
    .conference-date .month {
        margin-top: 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Team Page Styles */
.team-content {
    padding: 4rem 0;
}

.team-section {
    margin-bottom: 4rem;
}

.team-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-info {
    padding: 1.5rem;
}

.team-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.position {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.expertise {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.achievements {
    margin: 1rem 0;
}

.achievements h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

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

.achievements li {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.achievements li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.young-scholars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.scholar-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.scholar-card:hover {
    transform: translateY(-5px);
}

.scholar-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.scholar-card .position {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.scholar-card .expertise {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.scholar-card .achievement {
    color: var(--text-color);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .young-scholars-grid {
        grid-template-columns: 1fr;
    }
    
    .team-card img {
        height: 250px;
    }
}

/* Slider Styles */
.slider {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-top: 80px;
}

.slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: var(--white);
}

.slide-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.slide-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
}

.slider-controls button {
    background: rgba(255,255,255,0.3);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
}

.slider-controls button:hover {
    background: rgba(255,255,255,0.5);
}

.slider-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: var(--white);
}

/* Highlights Section */
.highlights {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.highlights h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2rem;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-5px);
}

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

.highlight-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.highlight-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.highlight-card .read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 1.5rem 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.highlight-card .read-more:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Latest News Section */
.latest-news {
    padding: 4rem 0;
}

.latest-news h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-date {
    display: block;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-card p {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.news-card .read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.news-card .read-more:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

@media (max-width: 768px) {
    .slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .slider-controls button {
        width: 40px;
        height: 40px;
    }
    
    .highlights-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* Content Grid Layout */
.content-row {
    padding: 2rem 0;
    background: var(--bg-color);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding-top: 90px;
}

.content-grid {
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2rem;
    height: 100%;
}

/* Module Styles */
.module {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.module h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-align: center;
}

.module-card {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.module-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content h4 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.card-content p {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    align-self: flex-start;
}

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

/* Grid Areas */
.news {
    grid-column: 1 / span 2;
}

.research {
    grid-column: 3;
    grid-row: 1;
}

.academic {
    grid-column: 1;
    grid-row: 2;
}

.fieldwork {
    grid-column: 2;
    grid-row: 2;
}

.innovation {
    grid-column: 3;
    grid-row: 2;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
    }

    .news {
        grid-column: 1 / span 2;
    }

    .research {
        grid-column: 1;
        grid-row: 2;
    }

    .academic {
        grid-column: 2;
        grid-row: 2;
    }

    .fieldwork {
        grid-column: 1;
        grid-row: 3;
    }

    .innovation {
        grid-column: 2;
        grid-row: 3;
    }
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, auto);
    }

    .module {
        grid-column: 1;
    }

    .news {
        grid-row: 1;
    }

    .research {
        grid-row: 2;
    }

    .academic {
        grid-row: 3;
    }

    .fieldwork {
        grid-row: 4;
    }

    .innovation {
        grid-row: 5;
    }
}

/* Page Background Styles */
body:not(.home-page) {
    background-color: rgba(255, 255, 255, 0.8);
}

/* Content Grid Layout */
.content-row {
    padding: 2rem 0;
    background: var(--bg-color);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding-top: 90px;
}

/* 人员概况垂直布局样式 */
.team-vertical-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

.team-vertical-card {
    display: flex;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.team-vertical-card:hover {
    transform: translateY(-5px);
}

.team-vertical-card .team-image {
    flex: 0 0 300px;
    overflow: hidden;
}

.team-vertical-card .team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-vertical-card:hover .team-image img {
    transform: scale(1.05);
}

.team-vertical-card .team-info {
    flex: 1;
    padding: 2rem;
}

.team-vertical-card .team-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.team-vertical-card .team-info .position {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.team-vertical-card .team-info .expertise {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.team-vertical-card .team-info .achievements {
    margin-top: 1rem;
}

.team-vertical-card .team-info .achievements h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-vertical-card .team-info .achievements ul {
    list-style: none;
    padding-left: 1rem;
}

.team-vertical-card .team-info .achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.team-vertical-card .team-info .achievements li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .team-vertical-card {
        flex-direction: column;
    }

    .team-vertical-card .team-image {
        flex: 0 0 250px;
    }

    .team-vertical-card .team-info {
        padding: 1.5rem;
    }
}