styles.css

/* 基本样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

/* 深色主题 */
body.dark-theme {
    background-color: #1a1a1a;
    color: #f0f0f0;
}

body.dark-theme h1,
body.dark-theme h2,
body.dark-theme strong {
    color: #e1e1e1;
}

body.dark-theme h1 {
    border-bottom-color: #4facfe;
}

body.dark-theme h2 {
    border-bottom-color: #333;
}

body.dark-theme a {
    color: #4facfe;
}

body.dark-theme a:hover {
    color: #6fc3ff;
}

body.dark-theme .news-item {
    border-left-color: #4facfe;
}

body.dark-theme footer {
    color: #aaa;
    border-top-color: #333;
}

body.dark-theme .profile-pic {
    border-color: #333;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

body.dark-theme .contact-info i {
    color: #4facfe;
}

/* 导航栏样式 */
.nav-bar {
    background-color: #2c3e50;
    padding: 10px 0;
    margin-bottom: 20px;
    width: 100%;
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: content-box;
}

.nav-bar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-bar li {
    margin: 0 15px;
}

.nav-bar a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    transition: background-color 0.3s;
}

.nav-bar a:hover {
    background-color: #3498db;
    border-radius: 4px;
    text-decoration: none;
}

.nav-bar a.language-toggle-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.14);
    padding: 5px 12px;
    line-height: 1.2;
}

.nav-bar a.language-toggle-link:hover {
    background: rgba(255, 255, 255, 0.26);
    border-color: rgba(255, 255, 255, 0.55);
}

/* 布局容器 */
.container {
    display: flex;
    flex-wrap: wrap;
}

.main-content {
    flex: 3;
    min-width: 300px;
    padding-right: 30px;
}

.sidebar {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

/* 头像样式 */
.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: 3px solid #fff;
}

/* 标题样式 */
h1 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

h2 {
    color: #2c3e50;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
    margin-top: 30px;
}

/* 链接样式 */
.social-links {
    margin: 20px 0;
}

.social-links a {
    margin: 0 10px;
    text-decoration: none;
    color: #3498db;
    transition: color 0.3s;
}

.social-links a.wechat-link {
    color: #1a7f47;
}

.social-links a.wechat-link:hover {
    color: #14683a;
}

a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* 内容项目样式 */
.news-item {
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 3px solid #3498db;
}

.news-item p {
    margin: 0.5em 0;
}

/* 联系信息样式 */
.contact-info {
    margin-top: 20px;
    text-align: center;
}

.contact-info p {
    margin: 5px 0;
}

.contact-info i {
    margin-right: 10px;
    color: #3498db;
}

/* 页脚样式 */
footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    font-size: 0.9em;
    color: #666;
    border-top: 1px solid #eee;
}

.footer-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
    font-size: 0.95em;
}

.footer-meta-separator {
    color: #a0a0a0;
}

body.dark-theme .footer-meta-separator {
    color: #666;
}

.visitor-map-block {
    margin-top: 16px;
}

.visitor-map-title {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
}

.visitor-map-container {
    max-width: 105px;
    margin: 0 auto;
    overflow: hidden;
    min-height: 56px;
}

.visitor-map-widget {
    margin: 0 auto;
}

.visitor-map-hint {
    margin: 0;
    color: #777;
    font-size: 0.92em;
}

body.dark-theme .visitor-map-title {
    color: #e1e1e1;
}

body.dark-theme .visitor-map-hint {
    color: #b8b8b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .main-content {
        padding-right: 0;
    }
    .sidebar {
        order: -1;
        margin-bottom: 30px;
    }
}

/* 额外的美化样式 */
ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 8px;
}

strong {
    color: #2c3e50;
}

.experience-highlights {
    margin-top: 6px;
    color: #444;
    font-size: 0.95em;
}

.experience-highlight-item {
    margin: 2px 0;
}

body.dark-theme .experience-highlights {
    color: #d0d0d0;
}

/* Projects styles */
.projects-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
}

.project-item {
    flex: 1 0 300px;
    padding: 15px;
    border-radius: 8px;
    background-color: #f8f9fa;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.project-item h3 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.project-links {
    margin-top: 10px;
    font-size: 0.9em;
}

.project-links a {
    margin-right: 5px;
}

body.dark-theme .project-item {
    background-color: #2c3e50;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

body.dark-theme .project-item h3 {
    border-bottom-color: #4a5a68;
}

/* Skills styles */
.skills-container {
    margin: 20px 0;
}

.skill-category {
    margin-bottom: 20px;
}

.skill-category h3 {
    font-size: 1.1em;
    margin-bottom: 10px;
    color: #2c3e50;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-item {
    background-color: #3498db;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    display: inline-block;
    transition: transform 0.2s, background-color 0.2s;
}

.skill-item:hover {
    transform: scale(1.05);
    background-color: #2980b9;
}

/* Skill bars styles */
.skill-with-level {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.skill-name {
    width: 120px;
    font-weight: bold;
    color: #2c3e50;
}

.skill-bar-container {
    flex: 1;
    height: 10px;
    background-color: #ecf0f1;
    border-radius: 5px;
    overflow: hidden;
    margin: 0 15px;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 5px;
    animation: skill-fill 1.5s ease-out forwards;
    transform-origin: left;
    transform: scaleX(0);
}

.skill-percentage {
    font-size: 0.9em;
    color: #7f8c8d;
    width: 40px;
    text-align: right;
}

@keyframes skill-fill {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

body.dark-theme .skill-name {
    color: #e1e1e1;
}

body.dark-theme .skill-bar-container {
    background-color: #34495e;
}

body.dark-theme .skill-bar {
    background: linear-gradient(90deg, #4facfe, #00f2fe);
}

body.dark-theme .skill-percentage {
    color: #bdc3c7;
}

body.dark-theme .skill-category h3 {
    color: #e1e1e1;
}

body.dark-theme .skill-item {
    background-color: #4facfe;
}

body.dark-theme .skill-item:hover {
    background-color: #6fc3ff;
}

/* Contact info styles */
body.dark-theme .contact-info i {
    color: #4facfe;
}

/* Back to top button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #3498db;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s, transform 0.3s;
    z-index: 1000;
}

#back-to-top:hover {
    background-color: #2980b9;
    transform: translateY(-5px);
}

body.dark-theme #back-to-top {
    background-color: #4facfe;
}

body.dark-theme #back-to-top:hover {
    background-color: #6fc3ff;
}

/* Animations and transitions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2, .news-item, .publication, .project-item, .skill-category {
    animation: fadeIn 0.8s ease-out forwards;
}

h1 { animation-delay: 0.1s; }
h2 { animation-delay: 0.2s; }
.news-item:nth-child(1) { animation-delay: 0.3s; }
.news-item:nth-child(2) { animation-delay: 0.4s; }
.news-item:nth-child(3) { animation-delay: 0.5s; }
.publication:nth-child(1) { animation-delay: 0.3s; }
.publication:nth-child(2) { animation-delay: 0.4s; }
.skill-category:nth-child(1) { animation-delay: 0.3s; }
.skill-category:nth-child(2) { animation-delay: 0.4s; }
.skill-category:nth-child(3) { animation-delay: 0.5s; }
.project-item:nth-child(1) { animation-delay: 0.3s; }
.project-item:nth-child(2) { animation-delay: 0.4s; }

/* Hover effects */
.social-links a {
    display: inline-block;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* CV Button styling */
.cv-button {
    display: inline-block;
    background-color: #e74c3c;
    color: white !important;
    padding: 5px 12px;
    border-radius: 20px;
    margin-top: 10px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cv-button:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-decoration: none !important;
}

body.dark-theme .cv-button {
    background-color: #e74c3c;
}

body.dark-theme .cv-button:hover {
    background-color: #c0392b;
}

/* Professional Highlights */
.highlights-container {
    margin: 30px 0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.highlight-item {
    display: flex;
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.highlight-icon {
    font-size: 2em;
    color: #3498db;
    margin-right: 15px;
    display: flex;
    align-items: center;
}

.highlight-content {
    flex: 1;
}

.highlight-content h3 {
    margin: 0 0 8px 0;
    color: #2c3e50;
    font-size: 1.1em;
}

.highlight-content p {
    margin: 0;
    font-size: 0.95em;
    line-height: 1.5;
}

body.dark-theme .highlight-item {
    background-color: #2c3e50;
}

body.dark-theme .highlight-icon {
    color: #4facfe;
}

body.dark-theme .highlight-content h3 {
    color: #e1e1e1;
}

/* Publications styles */
.publications-container {
    margin-top: 20px;
}

.publication {
    margin-bottom: 16px;
}

.publication-card {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    padding: 14px;
    border: 1px solid #d9e6f7;
    border-radius: 14px;
    background: #ffffff;
}

.publication-media {
    width: 168px;
    align-self: start;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.publication-media[data-target] {
    cursor: pointer;
}

.publication-media[data-target]:focus-visible {
    outline: 2px solid #3278c8;
    outline-offset: 2px;
}

.publication-media-body {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    height: auto;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #d4e1f4;
    background: #edf4ff;
}

.publication-thumb {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.publication-thumb-fallback {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(145deg, #f6faff 0%, #eaf2ff 100%);
}

.publication-media.no-thumb .publication-thumb-fallback {
    display: flex;
}

.publication-venue-ribbon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 2px 10px;
    font-weight: 800;
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    color: #ffffff;
    border-radius: 7px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(15, 42, 75, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: linear-gradient(90deg, #2f7bcf, #4f98e8);
    text-align: center;
}

.venue-theme-default {
    background: linear-gradient(90deg, #2f7bcf, #4f98e8);
}

.venue-theme-acmmm {
    background: linear-gradient(90deg, #3766cd, #5a8eec);
}

.venue-theme-acl {
    background: linear-gradient(90deg, #f31e87, #ff5ca3);
}

.venue-theme-emnlp {
    background: linear-gradient(90deg, #1674d9, #3a97f5);
}

.venue-theme-aaai {
    background: linear-gradient(90deg, #f0702d, #f7a540);
}

.venue-theme-tois {
    background: linear-gradient(90deg, #12856f, #30b096);
}

.venue-theme-tnnls {
    background: linear-gradient(90deg, #6a58d0, #8a74e2);
}

.venue-theme-ceur {
    background: linear-gradient(90deg, #3d8b5f, #62ae7f);
}

.venue-theme-arxiv {
    background: linear-gradient(90deg, #536a82, #748aa2);
}

.publication-thumb-text {
    margin: auto 12px;
    text-align: center;
    color: #45607e;
    font-size: 0.8rem;
    line-height: 1.35;
}

.publication-content {
    min-width: 0;
}

.publication-title {
    margin: 0 0 6px;
    color: #142a45;
    line-height: 1.35;
    font-size: 1.15rem;
}

.publication-authors,
.publication-venue,
.publication-impact {
    margin: 0 0 6px;
}

.publication-authors {
    color: #293f5a;
}

.publication-venue {
    color: #23374f;
}

.publication-impact {
    color: #1f7a39;
    font-weight: 700;
    font-size: 0.9em;
}

.abstract {
    background-color: #f7faff;
    border: 1px solid #deebfc;
    margin-top: 10px;
    padding: 10px 12px;
    font-size: 0.92em;
    border-radius: 10px;
}

.abstract p {
    margin: 0;
}

body.dark-theme .abstract {
    background-color: #223249;
    border-color: #365073;
}

body.dark-theme .publication-impact {
    color: #68d58a;
}

body.dark-theme .publication-card {
    background: #1d2b3f;
    border-color: #355170;
}

body.dark-theme .publication-media {
    background: transparent;
}

body.dark-theme .publication-media-body {
    border-color: #3b5676;
    background: #21334c;
}

body.dark-theme .publication-thumb-fallback {
    background: linear-gradient(145deg, #24364f 0%, #1f2f45 100%);
}

body.dark-theme .publication-venue-ribbon {
    border-color: rgba(132, 173, 223, 0.42);
    box-shadow: 0 6px 14px rgba(6, 12, 22, 0.45);
}

body.dark-theme .publication-thumb-text {
    color: #b5cae4;
}

body.dark-theme .publication-title {
    color: #e8f1ff;
}

body.dark-theme .publication-authors,
body.dark-theme .publication-venue {
    color: #c4d5ea;
}

@media (max-width: 780px) {
    .publication-card {
        grid-template-columns: 1fr;
    }

    .publication-media {
        width: 100%;
        max-width: 280px;
    }
}

.see-more-publications {
    text-align: center;
    margin: 30px 0;
    display: block;
    visibility: visible;
}

.see-more-button {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    visibility: visible;
    opacity: 1;
}

.see-more-button:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-decoration: none;
    color: white;
}

body.dark-theme .see-more-button {
    background-color: #4facfe;
    color: white;
    visibility: visible;
    opacity: 1;
}

body.dark-theme .see-more-button:hover {
    background-color: #6fc3ff;
}

/* 深色主题导航栏 */
body.dark-theme .nav-bar {
    background-color: #1a1a1a;
}

body.dark-theme .nav-bar a:hover {
    background-color: #4facfe;
}

body.dark-theme .nav-bar a.language-toggle-link {
    border-color: rgba(127, 173, 233, 0.55);
    background: rgba(80, 131, 198, 0.22);
}

body.dark-theme .nav-bar a.language-toggle-link:hover {
    background: rgba(95, 145, 212, 0.34);
}

/* 深色主题下的表格文本颜色 */
body.dark-theme table {
    color: #e0e0e0;
}

body.dark-theme td {
    color: #e0e0e0;
}

/* 修复深色模式下奖项年份颜色 */
body.dark-theme #awards-container td:last-child {
    color: #bdc3c7 !important;
}

/* 确保深色模式下的联系信息可见 */
body.dark-theme .contact-info p {
    color: #e0e0e0;
}

/* Homepage card-style refresh */
.homepage {
    --page-bg: #f1f5fb;
    --card-bg: #ffffff;
    --card-border: #dbe5f3;
    --title-color: #1f3550;
    --text-color: #2c3e50;
    --accent: #3278c8;
    --accent-soft: #eaf2ff;
    font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
    color: var(--text-color);
    max-width: 1260px;
    margin: 0 auto;
    padding: 24px;
    background:
        radial-gradient(circle at top left, #dfeeff 0%, transparent 45%),
        radial-gradient(circle at bottom right, #f7efe8 0%, transparent 40%),
        var(--page-bg);
}

.homepage .nav-bar {
    width: auto;
    margin: 0 0 20px 0;
    padding: 10px 14px;
    border-radius: 14px;
    box-sizing: border-box;
    background: linear-gradient(120deg, #1c2e43, #294f78);
}

.homepage .nav-bar a.language-toggle-link {
    border-color: rgba(183, 208, 244, 0.55);
    background: rgba(222, 236, 255, 0.12);
    color: #e7f1ff;
}

.homepage .nav-bar a.language-toggle-link:hover {
    background: rgba(222, 236, 255, 0.2);
    border-color: rgba(198, 220, 250, 0.75);
}

.homepage .container {
    display: grid;
    grid-template-columns: minmax(0, 2.25fr) minmax(260px, 1fr);
    gap: 22px;
    align-items: start;
}

.homepage .main-content {
    padding-right: 0;
    min-width: 0;
}

.homepage .hero-card,
.homepage .section-card,
.homepage .profile-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px 24px 22px;
    box-shadow: 0 10px 30px rgba(20, 41, 66, 0.08);
}

.homepage .hero-card {
    margin-bottom: 18px;
    background: linear-gradient(140deg, #ffffff 0%, #f8fbff 100%);
}

.homepage .job-seeking-banner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0 10px;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    color: #9a2d14;
    background: #ffe8de;
    border: 1px solid #ffc9b3;
}

.homepage .section-card {
    margin-bottom: 18px;
}

.homepage h1 {
    border-bottom: 1px solid #d8e4f5;
    color: var(--title-color);
    margin-top: 0;
    margin-bottom: 14px;
}

.homepage h2 {
    margin-top: 0;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #d8e4f5;
    color: var(--title-color);
}

.homepage .section-card:last-child,
.homepage .hero-card:last-child {
    margin-bottom: 0;
}

.homepage .social-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 16px 0;
}

.homepage .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0;
    height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    background: var(--accent-soft);
    color: #1f4b83;
    text-decoration: none;
    font-weight: 600;
    line-height: 1;
    box-sizing: border-box;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    vertical-align: middle;
}

.homepage .social-links a i {
    width: 1.1em;
    text-align: center;
    line-height: 1;
    font-size: 0.95em;
}

.homepage .social-links a.wechat-link {
    background: #e8f7ef;
    border: 1px solid #b8dfc7;
    color: #1a7342;
}

.homepage .social-links a.wechat-link:hover {
    background: #d9f0e4;
    border-color: #9fceb1;
}

.homepage .social-links a.cv-button {
    margin-top: 0;
    background: #edf4ff;
    border: 1px solid #c4d8f4;
    color: #1f4b83 !important;
}

.homepage .social-links a.cv-button:hover {
    background: #e1edff;
    border-color: #aec8eb;
}

.homepage .news-item {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f9fbff;
    border-left: 4px solid var(--accent);
}

.homepage .publication {
    margin-bottom: 14px;
}

.homepage .publication-card {
    background: #f9fbff;
}

.homepage ul {
    padding-left: 22px;
}

.homepage .see-more-publications {
    margin: 20px 0 0;
}

.homepage .see-more-button {
    background-color: #1f5ea8;
}

.homepage .see-more-button:hover {
    background-color: #184f8d;
}

.homepage .sidebar {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.homepage .profile-card {
    position: static;
    text-align: left;
}

.homepage .sidebar .section-card {
    margin-bottom: 0;
    padding: 20px 18px;
    text-align: left;
}

.homepage .sidebar-card h2 {
    font-size: 1.25rem;
    text-align: left;
}

.homepage .sidebar-card .news-item p {
    font-size: 0.95em;
    overflow-wrap: anywhere;
}

.homepage .sidebar-card p,
.homepage .sidebar-card ul,
.homepage .sidebar-card li {
    text-align: left;
}

.homepage .profile-pic {
    display: block;
    margin: 0 auto 16px;
    width: 180px;
    height: 180px;
    border: 4px solid #eef4ff;
}

.homepage .contact-info {
    margin-top: 10px;
}

.homepage .contact-info p {
    margin: 8px 0;
}

.homepage #back-to-top {
    background-color: #1f5ea8;
}

.homepage.dark-theme {
    --page-bg: #0f1722;
    --card-bg: #182232;
    --card-border: #28374d;
    --title-color: #e8eef9;
    --text-color: #d2dced;
    --accent: #67a4ff;
    --accent-soft: #24344b;
}

.homepage.dark-theme .nav-bar {
    background: linear-gradient(120deg, #101927, #1a2a40);
}

.homepage.dark-theme .nav-bar a.language-toggle-link {
    border-color: rgba(119, 161, 217, 0.5);
    background: rgba(69, 112, 168, 0.26);
    color: #d9eaff;
}

.homepage.dark-theme .nav-bar a.language-toggle-link:hover {
    background: rgba(82, 127, 186, 0.34);
}

.homepage.dark-theme .hero-card {
    background: linear-gradient(140deg, #182232 0%, #1e2c41 100%);
}

.homepage.dark-theme .job-seeking-banner {
    color: #ffd4c5;
    background: #4a2b26;
    border-color: #7b4438;
}

.homepage.dark-theme .news-item {
    background: #1d2b3f;
}

.homepage.dark-theme .publication-card {
    background: #1d2b3f;
}

.homepage.dark-theme .social-links a {
    color: #9ec8ff;
}

.homepage.dark-theme .social-links a.wechat-link {
    background: #214236;
    border-color: #376854;
    color: #9ce9c1;
}

.homepage.dark-theme .social-links a.wechat-link:hover {
    background: #285340;
    border-color: #448065;
}

.homepage.dark-theme .social-links a.cv-button {
    background: #24344b;
    border-color: #365173;
    color: #9ec8ff !important;
}

.homepage.dark-theme .social-links a.cv-button:hover {
    background: #2b3f59;
    border-color: #406189;
}

.homepage.dark-theme .profile-pic {
    border-color: #25364d;
}

@media (max-width: 980px) {
    .homepage .container {
        grid-template-columns: 1fr;
    }

    .homepage .sidebar {
        order: 2;
    }

}

@media (max-width: 768px) {
    .homepage {
        padding: 14px;
    }

    .homepage .hero-card,
    .homepage .section-card,
    .homepage .profile-card {
        border-radius: 16px;
        padding: 18px 16px;
    }
}

#job-seeking-banner[hidden] {
    display: none !important;
}

.skills-grid {
    display: grid;
    gap: 14px;
}

.skill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    align-items: baseline;
    padding-bottom: 12px;
    border-bottom: 1px solid #e6edf8;
}

.skill-group:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.skill-group h3 {
    margin: 0;
    min-width: 220px;
    font-size: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.skill-tag {
    background: #ecf4ff;
    color: #174477;
    border: 1px solid #d5e7ff;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.9rem;
    line-height: 1.3;
}

.skill-tag-empty {
    background: #f5f6f8;
    color: #607080;
    border-color: #e2e5ea;
}

.publication-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.publication-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid #8fa9cb;
    background: #ffffff;
    color: #16385f;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
}

.publication-link:hover {
    text-decoration: none;
    background: #ecf3fd;
    color: #0f2f54;
}

button.publication-link {
    font-family: inherit;
    line-height: 1.2;
}

.publication-link:focus-visible {
    outline: 2px solid #3278c8;
    outline-offset: 2px;
}

.news-date {
    font-weight: 600;
}

.news-badge {
    display: inline-block;
    margin-right: 6px;
    padding: 1px 8px;
    border-radius: 999px;
    background: #e94830;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    vertical-align: middle;
}

.awards-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.award-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #dce8fa;
    background: #f8fbff;
}

.award-name {
    flex: 1;
}

.award-year {
    white-space: nowrap;
    color: #55657c;
    font-style: italic;
    font-weight: 600;
}

body.dark-theme .skill-group {
    border-bottom-color: #2a3a51;
}

body.dark-theme .skill-tag {
    background: #22324a;
    color: #c0dcff;
    border-color: #385074;
}

body.dark-theme .skill-tag-empty {
    background: #223042;
    color: #b4c3d5;
    border-color: #33465f;
}

body.dark-theme .publication-link {
    background: #22354d;
    border-color: #4a6891;
    color: #c4dcff;
}

body.dark-theme .publication-link:hover {
    background: #2c4362;
    color: #e0edff;
}

body.dark-theme .award-item {
    border-color: #334a69;
    background: #1d2b3f;
}

body.dark-theme .award-year {
    color: #b7c7dd;
}

@media (max-width: 768px) {
    .skill-group h3 {
        min-width: 100%;
    }

    .award-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* WeChat modal */
.wechat-modal[hidden] {
    display: none;
}

.wechat-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.wechat-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(9, 18, 32, 0.55);
    backdrop-filter: blur(2px);
}

.wechat-modal-panel {
    position: relative;
    z-index: 1;
    width: min(92vw, 420px);
    background: #ffffff;
    border: 1px solid #d8e6f7;
    border-radius: 16px;
    box-shadow: 0 16px 42px rgba(16, 34, 57, 0.25);
    padding: 18px 18px 16px;
    text-align: center;
}

.wechat-modal-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    color: #5d6f87;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
}

.wechat-modal-close:hover {
    color: #1f3d62;
}

.wechat-modal h3 {
    margin: 2px 0 6px;
    border: 0;
}

.wechat-modal-subtitle {
    margin: 0 0 12px;
    color: #4e6078;
}

.wechat-modal-qr {
    width: min(70vw, 280px);
    height: auto;
    border: 1px solid #d5e1f2;
    border-radius: 12px;
    background: #fff;
    padding: 8px;
}

.wechat-modal-fallback {
    margin: 8px 0 0;
    color: #8a2f2f;
    font-weight: 600;
}

.wechat-modal-id {
    margin: 10px 0 0;
    color: #1f3d62;
    font-weight: 600;
}

body.wechat-modal-open {
    overflow: hidden;
}

body.dark-theme .wechat-modal-panel {
    background: #18273b;
    border-color: #304a6a;
    color: #d5e2f2;
}

body.dark-theme .wechat-modal-close {
    color: #b6c9e0;
}

body.dark-theme .wechat-modal-close:hover {
    color: #e2eeff;
}

body.dark-theme .wechat-modal-subtitle {
    color: #b3c4da;
}

body.dark-theme .wechat-modal-qr {
    border-color: #3e5f86;
    background: #f8fbff;
}

body.dark-theme .wechat-modal-id {
    color: #cfe2ff;
}