/* ========================================
   CSS VARIABLES - HKU 绿色
======================================== */
:root {
    /* 背景色 - 干净浅灰（更学术） */
    --bg-primary: #F7F9F8;
    --bg-secondary: #EEF2F0;
    --card-background: #FFFFFF;
    --hover-color: #E6ECE9;
    --border-color: #DCE5E1;
    
    /* 导航栏 */
    --nav-background: rgba(247, 249, 248, 0.9);
    --nav-text: #1F2D2A;
    --nav-text-hover: #0F1F1C;
    
    /* 文字颜色 */
    --text-primary: #1F2D2A;
    --text-secondary: #5E6D67;
    --text-muted: #8A9892;
    
    /* 🎯 HKU风绿色（核心） */
    --accent-color: #00664F;       /* 主绿 */
    --accent-hover: #004D3B;       /* 深绿 */
    --accent-light: #4C9A85;       /* 浅绿 */
    
    /* 阴影（稍微更干净） */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 4px 20px 0 rgba(0, 0, 0, 0.07);
    --shadow-xl: 0 8px 32px 0 rgba(0, 0, 0, 0.10);
    
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    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);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo img {
    width: 40px;
    height: 40px;
    transition: var(--transition);
    object-fit: contain;
}

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

.logo span {
    font-weight: 600;
    color: var(--nav-text);
    letter-spacing: -0.4px;
    font-size: 1.25rem;
}

.nav-container > .nav-links {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 1.05rem;
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.nav-links a i {
    font-size: 1.1rem;
}

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

.nav-links a.active {
    color: var(--nav-text-hover);
    font-weight: 500;
    background: var(--accent-light);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--nav-text);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--bg-secondary);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-background);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s 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 var(--border-color);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   MAIN LAYOUT
======================================== */
main {
    margin-top: 64px;
    min-height: calc(100vh - 64px);
}

.page {
    display: none;
    padding: 3rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
    min-height: calc(100vh - 64px);
}

.page.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   HOME PAGE
======================================== */
.home-layout {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.home-sidebar {
    flex: 0 0 280px;
    position: sticky;
    top: 84px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem 1.2rem;
    background: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    max-height: calc(100vh - 104px);
    overflow: hidden;
}

.home-sidebar .profile-image {
    text-align: center;
    margin-bottom: 0.5rem;
}

.home-sidebar .profile-img {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.home-sidebar .profile-img:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

.home-sidebar .intro-text {
    text-align: center;
    margin-bottom: 0.5rem;
}

.greeting-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    letter-spacing: -0.6px;
}

.wave-emoji {
    animation: gentleWave 3s ease-in-out infinite;
    display: inline-block;
    font-size: 1.15em;
}

@keyframes gentleWave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-10deg); }
}

.name-highlight {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.8px;
}

.chinese-name {
    font-family: 'STKaiti', 'KaiTi', 'BiauKai', '华文楷体', 'PingFang SC', sans-serif;
    font-size: 0.85em;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.greeting-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.2px;
}

.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.75rem 0;
}

.home-sidebar .social-links {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--card-background);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.social-link i {
    font-size: 1.15rem;
}

.social-link:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.home-sidebar .affiliations-simple {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.affiliation-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: -0.2px;
    border: 1px solid var(--border-color);
}

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

.affiliation-badge i {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.home-sidebar .action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.btn {
    padding: 0.9rem 1.3rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    letter-spacing: -0.2px;
}

.btn i {
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    font-weight: 600;
}

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

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

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

.home-main {
    flex: 1;
    min-width: 0;
}

.home-main section {
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.75rem;
    letter-spacing: -0.9px;
}

.bio-text {
    font-size: 1.0rem;
    line-height: 1.6;
    color: var(--text-secondary);
    letter-spacing: -0.2px;
    text-align: justify;
}

.bio-text a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 2px solid var(--accent-light);
}

.bio-text a:hover {
    color: var(--accent-hover);
    border-bottom-color: var(--accent-color);
}

.interest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.interest-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.interest-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-light);
}

.interest-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.interest-description {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 500;
    letter-spacing: -0.2px;
}

.education-compact {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.edu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    gap: 1.5rem;
}

.edu-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-light);
}

.edu-main {
    flex: 1;
}

.edu-degree {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    letter-spacing: -0.2px;
}

.edu-school {
    margin-bottom: 0.4rem;
}

.edu-school a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    letter-spacing: -0.2px;
}

.edu-school a:hover {
    color: var(--accent-color);
}

.edu-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.0;
    letter-spacing: -0.1px;
}

.edu-meta span:first-child {
    display: block;
    margin-bottom: 0.25rem;
}

.edu-meta .separator {
    display: none;
}

.edu-meta a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.edu-meta a:hover {
    color: var(--accent-color);
}

.edu-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
    opacity: 0.85;
}

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

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    letter-spacing: -0.3px;
}

.contact-email:hover {
    color: var(--accent-hover);
}

.contact-note {
    color: var(--text-muted);
    font-size: 1rem;
    letter-spacing: -0.2px;
}

/* ========================================
   PUBLICATIONS PAGE (保持原样式)
======================================== */
.publications-content {
    max-width: 1100px;
    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(--accent-color);
    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: var(--accent-color);
}

.bookmark-icon {
    color: var(--accent-color);
}

.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: 1100px;
    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: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.services-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 0;
}

.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: var(--accent-color);
    border-color: var(--accent-color);
}

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

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

.position-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.2rem;
    line-height: 1.5;
}

.session-detail {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    padding-left: 0.6rem;
    border-left: 2px solid var(--border-color);
    line-height: 1.5;
}

.organization {
    font-size: 0.95rem;
    margin-top: 0.2rem;
    line-height: 1.5;
}

.organization a {
    color: var(--text-secondary);
    text-decoration: none;
    font-style: italic;
}

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

.time-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.current-period {
    color: var(--accent-color);
    font-weight: 500;
}

/* ========================================
   AWARDS PAGE
======================================== */
.awards-content {
    max-width: 1100px;
    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: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.awards-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 0;
}

.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: 0.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

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

.awards-bullet {
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.awards-item-content {
    flex: 1;
    position: relative;
    padding-right: 2rem;
}

/* Bookmark icon - positioned at top right */
.awards-item .bookmark-icon {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* ========== GRANTS SPECIFIC STYLES ========== */

.grant-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    line-height: 1.5;
}

.grant-details {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.grant-details a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

.grant-amount {
    margin-left: 0.5rem;
    font-weight: 500;
    color: var(--accent-color);
}

.grant-amount::before {
    content: "•";
    margin-right: 0.5rem;
    color: var(--text-muted);
}

.grant-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.2rem;
}

/* ========== AWARDS SPECIFIC STYLES ========== */

.award-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 0.2rem;
}

.award-name a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.awards-year {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.award-organization {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    line-height: 1.5;
    font-style: italic;
}

.award-organization a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

.award-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.3rem;
    line-height: 1.5;
}

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

.footer-content {
    max-width: 1100px;
    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: 1024px) {
    .home-layout {
        gap: 2rem;
    }

    .home-sidebar {
        flex: 0 0 260px;  /* 改：从280px改小一点 */
    }

    .profile-img {
        width: 140px;  /* 加：平板上头像也小一点 */
        height: 140px;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-container > .nav-links {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: block !important;
    }

    .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 var(--border-color);
    }

    .mobile-menu .nav-links a:hover {
        background: var(--hover-color);
        padding-left: 0.5rem;
    }

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

    /* Home */
    .home-layout {
        flex-direction: column;
    }

    .home-sidebar {
        position: relative;
        top: 0;
        width: 100%;
        flex: none;
        max-height: none;
        padding: 1.5rem 1.2rem;  /* 改：左右padding一致 */
        display: grid;
        grid-template-columns: 100px 1fr;  /* 改：给头像固定宽度 */
        grid-template-rows: auto auto auto auto;
        gap: 0.8rem 1.5rem;  /* 改：行间距 列间距 */
        align-items: start;
    }

    /* 头像在左上角 */
    .profile-image {
        grid-column: 1;
        grid-row: 1 / 3;
        display: flex;
        justify-content: flex-start;  /* 新增：头像居中 */
        align-items: center;
    padding-left: 0.5rem;  /* 加：让头像往右推一点 */
    }

    .profile-img {
        width: 70px;
        height: 70px;
        margin-left: -1.2rem;  /* 改：往右移一点点 */
        margin-top: 0.6rem;   /* 加：往下移一点 */
    }

    /* 名字和title在右上角 */
    .intro-text {
        grid-column: 2;
        grid-row: 1;
        text-align: left;
        padding-right: 0;  /* 新增：去掉右边内边距 */
        padding-left: 1.5rem;  /* 加：整体往右推 */
    }

    .greeting-title {
        font-size: 1.2rem;  /* 改：从1.3改小 */
        margin: 0;
        line-height: 1.2;  /* 改：从1.3改紧 */
    }

    .wave-emoji {
        font-size: 1.3rem;  /* 改：从1.5改小 */
    }

    .name-highlight {
        display: block;
        margin-top: 0.1rem;  /* 改：从0.2改小 */
    }

    .chinese-name {
        font-size: 0.85rem;  /* 改：从0.9改小 */
    }

    .greeting-subtitle {
        font-size: 0.8rem;  /* 改：从0.85改小 */
        margin-top: 0.3rem;  /* 改：从0.5改小 */
        line-height: 1.2;  /* 改：从1.3改紧 */
    }

    /* 社交链接在名字下方 */
    .social-links {
        grid-column: 2;
        grid-row: 2;
        justify-content: flex-start;
        gap: 0.2rem;  /* 改：从0.5改小 */
        margin: -1.0rem 0 0 0;  /* 改：从0.3改小 */
        padding-left: 1.6rem;  /* 加：和 .intro-text 的 padding-left 保持一致 */
    }

    .social-link {
        width: 32px;  /* 改：从36改小 */
        height: 32px;
        font-size: 0.85rem;  /* 加：图标也小一点 */
    }

    /* 分割线占满整行 */
    .sidebar-divider {
        grid-column: 1 / 3;
        width: 100%;
        margin: 0.2rem 0;  /* 改：从0.3改小 */
    }

    /* affiliations 占满整行 */
    .affiliations-simple {
        grid-column: 1 / 3;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .affiliation-badge {
        width: 100%;
        justify-content: flex-start;
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
    }

    /* 按钮占满整行 */
    .action-buttons {
        grid-column: 1 / 3;
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 0.5rem;
        width: 100%;
    }

    .btn {
        width: 100% !important;
        padding: 0.65rem 0.3rem !important;  /* 改：左右padding更小 */
        font-size: 0.75rem !important;  /* 改：字更小 */
        white-space: nowrap !important;  /* 加：防止文字换行 */
    }

    .btn i {
        font-size: 0.75rem;  /* 加：图标小一点 */
    }

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

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

    .edu-item {
        flex-direction: column;
    }

    .edu-logo {
        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-card {
        padding: 1.2rem;
    }

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

    /* Miscellaneous */
    .awards-content {
        padding: 1rem;
    }
    
    .awards-card-content {
        padding: 1.5rem 1rem;
    }
    
    .grant-title {
        font-size: 1rem;
    }
    
    .grant-details {
        font-size: 0.9rem;
    }
    
    .award-name {
        font-size: 0.95rem;
    }

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

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

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

    .footer-right {
        display: none;
    }
}