/* ========================================
   CSS VARIABLES & RESET
======================================== */
:root {
    /* 背景颜色 */
    --primary-color: #E0E0DE;
    --secondary-color: #E8E8E6;
    --tertiary-color: #F0F0EE;
    --card-background: #EBEBE9;
    --hover-color: #F5F5F3;
    --border-color: #D0D0CE;
    
    /* 导航栏 */
    --nav-background: #2C2C2C;
    --nav-text: #E5E5E0;
    --nav-text-hover: #ffffff;
    
    /* 文字颜色 */
    --text-primary: #2C2C2C;
    --text-secondary: #3F3F3F;
    --text-muted: #6B6B6B;
    --accent-color: #4A4A4A;
    --accent-light: #5A5A5A;
    
    /* 阴影 */
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.10);
    --shadow-medium: 0 3px 6px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-heavy: 0 10px 20px rgba(0, 0, 0, 0.10), 0 3px 6px rgba(0, 0, 0, 0.06);
    --shadow-accent: 0 4px 12px rgba(74, 74, 74, 0.10);
    
    --border-radius: 8px;
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(90deg, #E0E0DE 0%, #F0F0EE 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   NAVIGATION
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-background);
    border-bottom: 1px solid #404040;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo img {
    width: 50px;
    height: 50px;
    transition: var(--transition);
    object-fit: contain;
}

.logo:hover img {
    transform: scale(1.05);
}

.logo span {
    font-weight: 700;
    color: var(--nav-text);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 1.5rem;
    position: relative;
}

.logo span::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--nav-text-hover);
    transition: width 0.3s ease;
}

.logo:hover span::after {
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.8rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 1.1rem;
    display: flex;              /* ← 新增 */
    align-items: center;        /* ← 新增 */
    gap: 0.5rem;                /* ← 新增 */
}

.nav-links a:hover {
    color: var(--nav-text-hover);
    background: rgba(255, 255, 255, 0.1);
}

/* ← 新增这一整段 */
.nav-links a i {
    font-size: 1rem;
    transition: var(--transition);
}

.nav-links a:hover i {
    transform: scale(1.1);
}

.nav-links a.active {
    color: var(--nav-text-hover);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--nav-text);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-background);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #404040;
    padding: 1rem 0;
    box-shadow: var(--shadow-medium);
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.2s ease;
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 1rem 2rem;
}

.mobile-menu .nav-links a {
    padding: 1rem 0;
    border-bottom: 1px solid #404040;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.mobile-menu .nav-links a i {
    font-size: 1.1rem;
    color: var(--accent-color);
    min-width: 20px;
}

.mobile-menu .nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 0.5rem;
}

.mobile-menu .nav-links a:hover i {
    color: var(--nav-text-hover);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   MAIN LAYOUT
======================================== */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.page {
    display: none;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   HOME PAGE
======================================== */
.home-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 240px);
    text-align: center;
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    gap: 2rem;
}

.profile-intro {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-image {
    margin: 0 auto -1.5rem;
}

.profile-img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
    border: 3px solid #555;
    border-radius: 50%;
}

.profile-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.intro-text {
    margin-top: 2.5rem;
    max-width: 600px;
}

.greeting-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.wave-emoji {
    animation: gentleWave 3s ease-in-out infinite;
    display: inline-block;
    font-size: 1.1em;
}

@keyframes gentleWave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    75% { transform: rotate(-5deg); }
}

.name-highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.chinese-name {
    font-family: 'KaiTi', '楷体', STKaiti, serif;
    font-size: 0.85em;
    color: var(--text-secondary);
    font-weight: 400;
}

.greeting-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.social-link i {
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transform: scale(0);
    transition: transform 0.2s ease;
    border-radius: 50%;
}

.social-link:hover::before {
    transform: scale(1);
}

.social-link:hover {
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.affiliations-simple {
    margin: 0;
}

.affiliation-badges {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.affiliation-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 1rem 1.8rem;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: var(--shadow-light);
}

.affiliation-badge:hover {
    border-color: var(--accent-color);
    background: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.affiliation-badge i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    min-width: 160px;
}

.btn i {
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border: 1px solid var(--accent-color);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background: var(--card-background);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.btn-outline:hover {
    background: var(--card-background);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ========================================
   ABOUT PAGE
======================================== */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    text-align: justify;
}

.about-text a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.about-section {
    margin: 3rem 0;
}

.section-header-about {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.section-icon {
    color: var(--accent-color);
    margin-right: 0.8rem;
    font-size: 1.3rem;
}

.section-title-about {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.interest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.interest-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.interest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-color);
}

.interest-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
    background: var(--hover-color);
}

.interest-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.interest-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.education-list {
    list-style: none;
    padding: 0;
}

.education-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card-background);
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.education-item:hover {
    background: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.education-content {
    flex: 1;
}

.education-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}

.education-bullet {
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.education-institution a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.education-institution a:hover {
    text-decoration: underline;
}

.education-location {
    color: var(--text-secondary);
    margin-left: 0.3rem;
}

.education-details {
    margin-left: 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.education-advisor,
.education-date {
    display: flex;
    align-items: center;
    margin-bottom: 0.3rem;
}

.detail-icon {
    font-size: 0.9rem;
    margin-right: 0.5rem;
    color: var(--text-muted);
}

.education-advisor a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.education-advisor a:hover {
    text-decoration: underline;
}

.education-logo {
    width: 50px;
    height: 50px;
    margin-left: 1.5rem;
    object-fit: contain;
    flex-shrink: 0;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-item-about {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.contact-item-about a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}

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

.contact-note {
    margin-top: 0.8rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

/* ========================================
   PUBLICATIONS PAGE
======================================== */
.publications-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.publications-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
}

.publications-card-header {
    background: var(--tertiary-color);
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.publications-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.publication-note {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.publication-legend {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
    gap: 0.5rem;
}

.star-icon {
    color: #4CAF50;
}

.bookmark-icon {
    color: #E91E63;
}

.publications-filters {
    background: var(--secondary-color);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.filter-title {
    font-size: 1rem;
    color: var(--accent-color);
    font-weight: 600;
}

.clear-filters-btn {
    padding: 0.5rem 1rem;
    background: var(--tertiary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.clear-filters-btn:hover {
    background: var(--hover-color);
    border-color: var(--accent-color);
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-label {
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    font-size: 0.95rem;
    font-weight: 500;
}

.filter-select {
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    font-size: 0.95rem;
    transition: var(--transition);
    color: var(--text-primary);
    font-family: inherit;
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--accent-color);
    outline: none;
}

.publications-content-area {
    padding: 2rem;
}

.year-section {
    margin-bottom: 2rem;
}

.year-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.year-divider {
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.year-label {
    padding: 0.5rem 1.5rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 1rem;
    margin: 0 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.publications-list {
    list-style: none;
    padding: 0;
}

.publication-item {
    border-left: 3px solid var(--accent-color);
    background: var(--secondary-color);
    padding: 1.2rem;
    margin-bottom: 0.8rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    transition: var(--transition);
}

.publication-item:hover {
    background: var(--tertiary-color);
    transform: translateX(5px);
}

.publication-content {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.publication-icon {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.publication-details {
    flex: 1;
}

.publication-authors {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.publication-authors a {
    color: var(--text-primary);
    text-decoration: none;
}

.publication-authors a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.publication-title {
    margin-bottom: 0.5rem;
}

.publication-title a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.publication-title a:hover {
    text-decoration: underline;
}

.publication-venue {
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    font-size: 0.95rem;
    display: inline;
}

.publication-links {
    margin-top: 8px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.pub-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: transparent;
    color: #4b5563;
    text-decoration: none;
    border: 1.5px solid #d1d5db;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 500;
    transition: all 0.2s ease;
}

.pub-link-btn:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
    color: #1f2937;
}

.pub-link-btn i {
    font-size: 0.9em;
}

.publication-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.publication-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: var(--tertiary-color);
    color: var(--accent-color);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ========================================
   SERVICES PAGE
======================================== */
.services-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.services-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.services-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.services-card-header {
    background: var(--tertiary-color);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.services-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
}

.services-card-icon {
    margin-right: 0.8rem;
    font-size: 1.3rem;
}

.services-card-content {
    padding: 2rem;
}

.journal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 1.5rem;
    list-style: none;
    padding: 0;
}

.journal-link {
    display: block;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.journal-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.journal-link img {
    width: 100%;
    height: auto;
    display: block;
}

.timeline-container {
    position: relative;
    padding-left: 1.8rem;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0.65rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
}

.timeline-marker {
    position: absolute;
    left: -1.8rem;
    top: 0.1rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    background: var(--card-background);
    z-index: 1;
}

.timeline-item.current .timeline-marker {
    background: var(--accent-color);
}

.timeline-item.ongoing .timeline-marker {
    background: #26A69A;
    border-color: #26A69A;
}

.timeline-item.past .timeline-marker {
    background: var(--text-muted);
    border-color: var(--text-muted);
}

.timeline-content {
    padding-left: 0.4rem;
}

.position-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.session-detail {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
    padding-left: 0.4rem;
    border-left: 2px solid var(--border-color);
}

.organization a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

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

.time-period {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.current-period {
    color: var(--accent-color);
    font-weight: 600;
}

/* ========================================
   AWARDS PAGE
======================================== */
.awards-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.awards-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.awards-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.awards-card-header {
    background: var(--tertiary-color);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.awards-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
}

.awards-card-icon {
    margin-right: 0.8rem;
    font-size: 1.3rem;
}

.awards-card-content {
    padding: 2rem 2rem 1.5rem;
}

.awards-list {
    list-style: none;
    padding: 0;
}

.awards-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.4rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--border-color);
}

.awards-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.awards-bullet {
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.awards-item-text {
    font-size: 1rem;
    line-height: 1.4;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.3rem;
}

.awards-item-text a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

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

.awards-year {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================
   FOOTER
======================================== */
footer {
    background: #2a2a2a;
    padding: 1rem 2rem;
    margin-top: 4rem;
    border-top: 1px solid #444;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    text-align: left;
}

.footer-name {
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.footer-location,
.footer-update {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.2rem;
}

.footer-right details {
    position: relative;
}

.footer-right summary {
    cursor: pointer;
    list-style: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.3rem;
    padding: 0.3rem;
    transition: all 0.3s;
}

.footer-right summary:hover {
    color: #fff;
    transform: scale(1.1);
}

.footer-right summary::-webkit-details-marker {
    display: none;
}

.footer-right .stats-content {
    position: absolute;
    right: 0;
    bottom: 100%;
    margin-bottom: 1rem;
    background: rgba(42, 42, 42, 0.95);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #444;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.3);
}

.globe-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.globe-container * {
    transform: scale(0.6);
    transform-origin: center;
}

.visitor-count img {
    max-height: 20px;
    filter: brightness(1.2);
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    /* Navigation */
    .nav-links {
        display: none;
    }

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

    .nav-container {
        padding: 0.8rem 1.5rem;
    }

    .logo img {
        width: 38px;
        height: 38px;
    }

    .mobile-menu .nav-links {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 1rem 2rem;
    }

    .mobile-menu .nav-links a {
        padding: 1rem 0;
        border-bottom: 1px solid #404040;
    }

    .mobile-menu .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
        padding-left: 0.5rem;
    }

    /* Layout */
    .page {
        padding: 2rem 1.5rem;
    }

    /* Home */
    .home-hero {
        min-height: auto;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
    }

    .profile-img {
        width: 160px;
        height: 160px;
    }

    .social-links {
        margin-top: 1.5rem;
        gap: 0.8rem;
    }

    .social-link {
        width: 42px;
        height: 42px;
    }

    .affiliation-badges {
        flex-direction: column;
        align-items: center;
    }

    .affiliation-badge {
        width: 100%;
        max-width: 320px;
    }

    .action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 260px;
    }

    /* About */
    .about-text {
        font-size: 0.9rem;
        line-height: 1.6;
    }

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

    .education-item {
        flex-direction: column;
        padding: 1.2rem 0;
        border-bottom: 1px solid var(--border-color);
        background: transparent;
        box-shadow: none;
    }

    .education-logo {
        margin-left: 0;
        margin-top: 1rem;
        align-self: flex-end;
    }

    /* Publications */
    .publications-card-header,
    .publications-filters,
    .publications-content-area {
        padding: 1.2rem;
    }

    .filter-row {
        grid-template-columns: 1fr;
    }

    .filter-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .publication-item {
        padding: 1.2rem;
    }

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

    /* Services */
    .journal-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.8rem;
    }

    /* Footer */
    footer {
        padding: 1rem;
    }

    .footer-content {
        justify-content: center;
        text-align: center;
    }

    .footer-left {
        text-align: center;
    }

    .footer-right {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.7rem 1rem;
    }

    .logo img {
        width: 32px;
        height: 32px;
    }

    .page {
        padding: 1.5rem 1rem;
    }

    .profile-img {
        width: 140px;
        height: 140px;
    }

    .btn {
        max-width: 240px;
        font-size: 0.85rem;
    }
}