/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --accent-color: #93c5fd;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --gradient-secondary: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    --gradient-accent: linear-gradient(135deg, #93c5fd 0%, #bfdbfe 100%);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgba(59, 130, 246, 0.12), 0 1px 2px 0 rgba(59, 130, 246, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(59, 130, 246, 0.15), 0 2px 4px -1px rgba(59, 130, 246, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(59, 130, 246, 0.15), 0 4px 6px -2px rgba(59, 130, 246, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(59, 130, 246, 0.15), 0 10px 10px -5px rgba(59, 130, 246, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Times New Roman', '微软雅黑', 'Microsoft YaHei', Times, serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.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(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--primary-color);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页样式 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 25%, #60a5fa 75%, #93c5fd 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}



.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-text {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.title-line {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.title-name {
    display: block;
    background: linear-gradient(45deg, #ffffff 0%, #f1f5f9 50%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}



.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.profile-image i {
    font-size: 3rem;
    color: white;
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.profile-info h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.profile-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

.profile-info p i {
    margin-right: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.profile-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.profile-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
    transform: translateY(-2px);
}

.profile-links a i {
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-down:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.6);
}

/* 通用区段样式 */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* 关于我部分 */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    gap: 3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.info-item {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.08);
    position: relative;
    overflow: hidden;
}

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-item i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.info-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.info-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.courses-section {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.courses-section h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

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

.course-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.course-item:hover {
    background: var(--bg-accent);
    border-left-color: var(--primary-color);
}

.course-name {
    font-weight: 500;
    color: var(--text-primary);
}

.course-score {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 研究兴趣部分 */
.research {
    background: var(--bg-primary);
}

.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.research-area {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.08);
    position: relative;
    overflow: hidden;
}

.research-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
}

.research-area:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.research-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.research-icon i {
    font-size: 2rem;
    color: white;
}

.research-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.research-area ul {
    list-style: none;
}

.research-area li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.research-area li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* 论文发表部分 */
.publications {
    background: var(--bg-secondary);
}

.publications-list {
    display: grid;
    gap: 2rem;
}

.publication-item {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 5px solid transparent;
}

.publication-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--primary-color);
}

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

.publication-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.publication-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.under-review {
    background: var(--gradient-secondary);
    color: var(--text-primary);
}

.published {
    background: var(--gradient-primary);
    color: white;
}

.publication-item h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
    font-weight: 700;
}

.publication-item h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.publication-item h3 a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.authors {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.journal {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.note {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-left: 2rem;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 2rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

.timeline-date {
    position: absolute;
    left: -8rem;
    top: 1.5rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.timeline-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.achievement {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    border: 1px solid var(--primary-color);
}

/* 实习经历部分 */
.internship {
    background: var(--bg-primary);
}

.internship-list {
    display: grid;
    gap: 1.5rem;
}

.internship-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.internship-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.company-info h3 {
    color: var(--text-primary);
    margin-bottom: 0;
    margin-right: 1rem;
    font-size: 1.3rem;
    display: inline-block;
}

.position {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    margin: 0;
}

.date {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.internship-content ul {
    list-style: none;
    padding-left: 0;
}

.internship-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.3rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

.internship-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.internship-content a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 成就部分 */
.achievements {
    background: var(--bg-secondary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.achievement-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.achievement-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.achievement-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.achievement-category i {
    color: var(--primary-color);
}

.awards-list {
    display: grid;
    gap: 1rem;
}

.award-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.award-item:has(.national) {
    border-left-color: var(--primary-color);
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.05) 0%, var(--bg-secondary) 100%);
}

.award-item:has(.provincial) {
    border-left-color: var(--accent-color);
}

.award-item:hover {
    background: var(--bg-accent);
}

.award-name {
    color: var(--text-primary);
    font-weight: 500;
    flex: 1;
}

.award-item:has(.national) .award-name {
    font-weight: 600;
    color: var(--primary-color);
}

.award-item:has(.provincial) .award-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.award-level {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    margin-left: 1rem;
}

.national {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.provincial {
    background: var(--gradient-accent);
    color: var(--primary-color);
    font-weight: 600;
    border: 2px solid var(--accent-color);
}

/* 技能部分 */
.skills {
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.skill-category i {
    color: var(--primary-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.skill-tag {
    background: var(--gradient-primary);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 联系部分 */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}



/* 页脚 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

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

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

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

    .timeline::before {
        left: 0.5rem;
    }

    .timeline-item {
        margin-left: 1rem;
    }

    .timeline-item::before {
        left: -1.5rem;
    }

    .timeline-date {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
    }



    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .research-areas {
        grid-template-columns: 1fr;
    }

    .research-area {
        min-width: auto;
    }

    .internship-header {
        flex-direction: column;
        gap: 1rem;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
    }
}

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

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

/* 悬停效果增强 */
.info-item:hover,
.research-area:hover,
.publication-item:hover,
.internship-item:hover,
.achievement-category:hover,
.skill-category:hover {
    border-color: rgba(102, 126, 234, 0.3);
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}