/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #4f46e5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #3730a3;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4f46e5;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #4f46e5;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #fbbf24;
    color: #1f2937;
}

.btn-primary:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background-color: white;
    color: #4f46e5;
    transform: translateY(-2px);
}

.profile-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.profile-image img:hover {
    transform: scale(1.05);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    border-radius: 2px;
}

/* About Section */
.about {
    background-color: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 0.4fr;
    gap: 4rem;
    align-items: start;
}

/* About Highlights */
.about-highlights {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

.highlight-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.highlight-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.highlight-item {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    color: #374151;
    font-size: 0.95rem;
}

.highlight-item a {
    color: #1f2937;
    text-decoration: none;
}

.highlight-item a:hover {
    color: #4f46e5;
    text-decoration: underline;
}

.highlight-venue {
    color: #6b7280;
}

@media (max-width: 768px) {
    .about-highlights {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4b5563;
    line-height: 1.7;
}

.skills {
    margin-top: 2rem;
}

.skills h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.skill-tag:hover {
    transform: translateY(-2px);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 0.9rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6b7280;
    font-weight: 500;
}

/* Research Section */
.research-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.research-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.research-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.research-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.research-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.research-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* Experience Section */
.experience {
    background-color: #ffffff;
    padding: 40px 0;
}

.horizontal-timeline {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    padding: 0 1rem;
}

.timeline-section {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.section-header {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.section-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header i {
    color: #4f46e5;
    font-size: 1rem;
}

.work-section .section-header i {
    color: #f59e0b;
}

.timeline-items {
    padding: 1rem;
    position: relative;
}

.timeline-items::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #e5e7eb, #d1d5db);
    border-radius: 1px;
}

.work-section .timeline-items::before {
    background: linear-gradient(180deg, #f59e0b, #fbbf24);
}

.education-section .timeline-items::before {
    background: linear-gradient(180deg, #4f46e5, #7c3aed);
}

.timeline-item {
    position: relative;
    margin-bottom: 1rem;
    padding-left: 2.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0.75rem;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: white;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.timeline-marker:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

.work-marker {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.education-marker {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.timeline-content {
    background: #f8fafc;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.timeline-date {
    color: #4f46e5;
    font-weight: 600;
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
}

.work-section .timeline-date {
    color: #f59e0b;
}

.timeline-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.timeline-company {
    color: #4b5563;
    font-weight: 500;
    margin-bottom: 0.2rem;
    font-size: 0.85rem;
}

.timeline-location {
    color: #6b7280;
    font-size: 0.8rem;
    font-style: italic;
    margin: 0;
}

/* Education Timeline Horizontal Layout */
.education-timeline {
    padding: 1rem;
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.education-timeline::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    transform: translateY(-50%);
    z-index: 1;
}

.education-timeline .timeline-item {
    position: relative;
    margin-bottom: 0;
    padding-left: 0;
    padding-top: 2rem;
}

.education-timeline .timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    z-index: 2;
}

.education-timeline .timeline-content {
    background: #f8fafc;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    text-align: center;
}

.education-timeline .timeline-content:hover {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* Work Timeline Horizontal Layout */
.work-timeline {
    padding: 1rem;
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.work-timeline::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
    transform: translateY(-50%);
    z-index: 1;
}

.work-timeline .timeline-item {
    position: relative;
    margin-bottom: 0;
    padding-left: 0;
    padding-top: 2rem;
}

.work-timeline .timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    z-index: 2;
}

.work-timeline .timeline-content {
    background: #f8fafc;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    text-align: center;
}

.work-timeline .timeline-content:hover {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* News Section */
.news {
    background-color: #ffffff;
    padding: 60px 0;
}

.news-list {
    max-width: 1000px;
    margin: 0 auto;
}

.section-more {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.show-more-btn {
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    color: #1f2937;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.show-more-btn:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.news-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    gap: 1.5rem;
    transition: transform 0.3s ease;
    border-left: 4px solid #4f46e5;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.news-date {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    padding: 0.6rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 100px;
    height: fit-content;
    text-align: center;
    flex-shrink: 0;
}

.news-content {
    flex: 1;
}

.news-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
    line-height: 1.3;
    font-weight: 600;
}

.news-content p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

/* Publications Section */
.publications {
    background-color: #f8fafc;
    padding: 60px 0;
}

.publications-list {
    max-width: 1100px;
    margin: 0 auto;
}

.publication-item {
    background: white;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    display: flex;
    gap: 1rem;
    transition: transform 0.3s ease;
}

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

.publication-year {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    padding: 0.6rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 64px;
    height: fit-content;
    text-align: center;
}

.publication-content {
    flex: 1;
}

.publication-content h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: #1f2937;
    line-height: 1.25;
}

.publication-content h3 a {
    color: inherit;
    text-decoration: none;
}

.publication-content h3 a:hover {
    color: #4f46e5;
    text-decoration: underline;
}

.publication-authors {
    color: #4f46e5;
    font-weight: 500;
    margin-bottom: 0.2rem;
    font-size: 0.9rem;
    line-height: 1.3;
}

.publication-venue {
    color: #6b7280;
    font-style: italic;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    line-height: 1.3;
}

.publication-links {
    display: flex;
    gap: 0.8rem;
}

.publication-link {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.publication-link:hover {
    color: #3730a3;
}

.first-author {
    border-left: 4px solid #fbbf24;
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
}

.first-badge {
    background: #fbbf24;
    color: #1f2937;
    padding: 3px 6px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-left: 8px;
}

.corresponding-author {
    border-left: 4px solid #10b981;
    background: linear-gradient(135deg, #d1fae5 0%, #ffffff 100%);
}

.corresponding-author-badge {
    background: #10b981;
    color: white;
    padding: 3px 6px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-left: 8px;
}

.default-badge {
    background: #4f46e5;
    color: white;
    padding: 3px 6px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-left: 8px;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info p {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #4b5563;
}

.contact-item i {
    width: 20px;
    color: #4f46e5;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-link {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .publication-item {
        flex-direction: column;
        text-align: center;
        padding: 0.9rem;
        gap: 0.75rem;
    }

    .publication-year {
        align-self: center;
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .horizontal-timeline {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.5rem;
    }

    .timeline-section {
        margin-bottom: 1rem;
    }

    .section-header {
        padding: 0.8rem 1rem;
    }

    .section-header h3 {
        font-size: 1rem;
    }

    .timeline-items {
        padding: 0.8rem;
    }

    .timeline-item {
        padding-left: 2rem;
        margin-bottom: 0.8rem;
    }

    .timeline-marker {
        left: 0.5rem;
        width: 14px;
        height: 14px;
        font-size: 0.6rem;
    }

    .timeline-content {
        padding: 0.6rem;
    }

    .timeline-content h4 {
        font-size: 0.9rem;
    }

    .timeline-company {
        font-size: 0.8rem;
    }

    .timeline-location {
        font-size: 0.75rem;
    }

    .timeline-date {
        font-size: 0.7rem;
    }

    .education-timeline {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .education-timeline::before {
        display: none;
    }

    .education-timeline .timeline-item {
        padding-top: 0;
        padding-left: 2rem;
    }

    .education-timeline .timeline-marker {
        left: 0.5rem;
        top: 0.5rem;
        transform: none;
    }

    .education-timeline .timeline-content {
        text-align: left;
    }

    .work-timeline {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .work-timeline::before {
        display: none;
    }

    .work-timeline .timeline-item {
        padding-top: 0;
        padding-left: 2rem;
    }

    .work-timeline .timeline-marker {
        left: 0.5rem;
        top: 0.5rem;
        transform: none;
    }

    .work-timeline .timeline-content {
        text-align: left;
    }

    .news-item {
        flex-direction: column;
        text-align: center;
    }

    .news-date {
        align-self: center;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .research-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .social-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Community Service Section */
.community {
    background-color: #f8fafc;
    padding: 60px 0;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.community-section {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.community-section-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.community-section-title i {
    color: #4f46e5;
    font-size: 1.2rem;
}

.review-content,
.academic-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.review-category,
.academic-category {
    background: #f8fafc;
    padding: 1.2rem;
    border-radius: 8px;
    border-left: 3px solid #4f46e5;
}

.review-category-title,
.academic-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.review-category-title::before,
.academic-category-title::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4f46e5;
    border-radius: 50%;
}

.review-list,
.academic-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.review-item,
.academic-item {
    padding: 0.4rem 0.8rem;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    color: #4b5563;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.review-item:hover,
.academic-item:hover {
    color: #1f2937;
    background: #f0f9ff;
    border-color: #4f46e5;
    transform: translateY(-1px);
}

/* Responsive Design for Community Section */
@media (max-width: 768px) {
    .community-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .review-content,
    .academic-content {
        gap: 1.2rem;
    }
    
    .review-category,
    .academic-category {
        padding: 1rem;
    }
    
    .review-list,
    .academic-list {
        gap: 0.4rem;
    }
    
    .review-item,
    .academic-item {
        font-size: 0.85rem;
        padding: 0.3rem 0.6rem;
    }
}