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

body {
    font-family: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #F9F7F2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: #E86A58;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #c75346;
    text-decoration: underline;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px 0;
}

.profile {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.profile-image {
    width: 180px;
    height: 180px;
    margin-right: 40px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-content {
    flex: 1;
    min-width: 300px;
}

.profile-content h1 {
    font-size: 2.5rem;
    margin-bottom: 5px;
    color: #222;
}

.profile-content .title {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 5px;
}

.profile-content .institution {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 15px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.contact-info p {
    margin-right: 20px;
    color: #666;
}

.contact-info i {
    margin-right: 8px;
    color: #0066cc;
}

/* 导航样式 */
nav {
    background-color: #0F2C4C;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    padding: 5px 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #fff;
    transition: width 0.3s;
}

nav ul li a:hover:after {
    width: 100%;
}

/* 主要内容样式 */
main {
    padding: 40px 0;
}

.section {
    margin-bottom: 60px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.section h2 {
    padding: 20px 30px;
    background-color: #BCCAD6;
    color: #0F2C4C;
    font-size: 1.8rem;
    border-bottom: 1px solid #e0e0e0;
}

.section .content {
    padding: 30px;
}

/* 个人简介样式 */
#about .content h3 {
    color: #0F2C4C;
    font-size: 1.4rem;
    margin: 25px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #BCCAD6;
    position: relative;
}

#about .content h3:first-child {
    margin-top: 0;
}

#about .content h3:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: #0F2C4C;
}

#about .content p {
    text-align: justify;
    line-height: 1.8;
    color: #444;
    margin-bottom: 20px;
}

#about .content ul {
    list-style: none;
    margin-left: 5px;
}

#about .content ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    line-height: 1.6;
    color: #444;
}

#about .content ul li:before {
    content: '•';
    position: absolute;
    left: 5px;
    color: #0066cc;
    font-size: 1.5rem;
    line-height: 1;
}

/* 研究方向样式 */
.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.research-area {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    border-left: 4px solid #BCCAD6;
}

.research-area:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.research-area h3 {
    color: #0F2C4C;
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
    padding-bottom: 12px;
    border-bottom: 1px dashed #ddd;
}

.research-area p {
    color: #555;
    line-height: 1.7;
    text-align: justify;
}

/* 发表论文样式 */
.publication-filters {
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.filter {
    background-color: #EEF2F6;
    border: 1px solid #BCCAD6;
    color: #0F2C4C;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.filter:hover {
    background-color: #E3E9F0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.filter.active {
    background-color: #E86A58;
    color: #fff;
    box-shadow: 0 4px 8px rgba(232,106,88,0.3);
}

.publication-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
    position: relative;
}

.publication-year {
    font-size: 1.1rem;
    font-weight: bold;
    color: #0F2C4C;
    margin-bottom: 8px;
    display: inline-block;
    background-color: #E3E9F0;
    padding: 3px 10px;
    border-radius: 4px;
}

.publication-authors {
    margin-bottom: 8px;
    color: #555;
    line-height: 1.5;
}

.publication-title {
    font-weight: bold;
    margin-bottom: 8px;
    color: #333;
    font-size: 1.1rem;
    line-height: 1.4;
}

.publication-journal {
    font-style: italic;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.4;
}

.publication-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.publication-link {
    font-size: 0.9rem;
    color: #E86A58;
    display: inline-block;
    padding: 3px 10px;
    border: 1px solid #BCCAD6;
    border-radius: 4px;
    transition: all 0.3s;
}
.publication-link:hover {
    background-color: #E86A58;
    color: #fff;
    text-decoration: none;
}

.pub-link i {
    margin-right: 5px;
}

/* 科研项目样式 */
.project {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #BCCAD6;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.project h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.project-role {
    display: inline-block;
    background-color: #E3E9F0;
    color: #0F2C4C;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.project-time {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 15px;
    display: inline-block;
    margin-left: 10px;
}

.project-desc {
    color: #555;
    line-height: 1.6;
}

/* 教学工作样式 */
.course-category {
    margin-bottom: 30px;
}

.course-category h3 {
    color: #333;
    font-size: 1.4rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.course-item {
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 3px solid #BCCAD6;
}

.course-item h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.course-tag {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    background: #ecf0f1;
    color: #34495e;
}
.course-tag.course-tag--national {
    background: linear-gradient(135deg, #ff6b6b 0%, #f06595 100%);
    color: #fff;
    box-shadow: 0 4px 10px rgba(240, 101, 149, 0.25);
}
.course-tag.course-tag--tianjin {
    background: linear-gradient(135deg, #4dabf7 0%, #1971c2 100%);
    color: #fff;
    box-shadow: 0 4px 10px rgba(25, 113, 194, 0.25);
}

.course-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.9rem;
}

.course-link i {
    margin-left: 5px;
}

/* 学生指导页面样式 */
.guidance-overview {
    margin-bottom: 3rem;
}

.guidance-overview .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.guidance-overview .stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.guidance-overview .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.guidance-overview .stat-card:hover::before {
    opacity: 1;
}

.guidance-overview .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.guidance-overview .stat-card.research-guidance {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.guidance-overview .stat-card.student-awards {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.guidance-overview .stat-card.innovation-projects {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.guidance-overview .stat-card.excellent-thesis {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.guidance-overview .stat-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

.guidance-overview .stat-info {
    flex: 1;
}

.guidance-overview .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.guidance-overview .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 指导方向样式 */
.guidance-directions {
    margin-bottom: 3rem;
}

.guidance-directions h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.directions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.direction-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.direction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.direction-icon {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.direction-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.direction-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.direction-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 重点指导成果样式 */
.highlight-guidance {
    margin-bottom: 3rem;
}

.highlight-guidance h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    border-left: 4px solid #f39c12;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.highlight-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.highlight-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.highlight-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.highlight-year {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 指导时间轴样式 */
.guidance-timeline {
    margin-top: 2rem;
}

.guidance-timeline .timeline-container {
    position: relative;
}

.guidance-timeline .timeline-year {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    margin: 2rem 0 1rem 0;
    display: inline-block;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.guidance-timeline .timeline-items {
    margin-left: 2rem;
    border-left: 3px solid #e9ecef;
    padding-left: 2rem;
    margin-bottom: 2rem;
}

.guidance-timeline .timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.guidance-timeline .timeline-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.guidance-timeline .timeline-item.highlight {
    border-left: 4px solid #f39c12;
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.guidance-timeline .timeline-marker {
    position: absolute;
    left: -2.75rem;
    top: 1.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.guidance-timeline .timeline-item.highlight .timeline-marker {
    background: #f39c12;
    box-shadow: 0 2px 10px rgba(243, 156, 18, 0.3);
}

.guidance-timeline .guidance-type {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.guidance-timeline .timeline-item.competition .guidance-type {
    background: #e74c3c;
}

.guidance-timeline .timeline-item.academic .guidance-type {
    background: #3498db;
}

.guidance-timeline .timeline-item.innovation .guidance-type {
    background: #2ecc71;
}

.guidance-timeline .timeline-item.thesis .guidance-type {
    background: #9b59b6;
}

.guidance-timeline .timeline-item.highlight .guidance-type {
    background: #f39c12;
}

.guidance-timeline .timeline-content h5 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    line-height: 1.4;
}

.guidance-timeline .guidance-organization {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* 显示更多按钮样式 */
.show-more-section {
    text-align: center;
    margin: 3rem 0;
}

.show-more-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

.show-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.show-more-btn i {
    transition: transform 0.3s ease;
}

.show-more-btn.expanded i {
    transform: rotate(180deg);
}

/* 更多指导成果（默认隐藏） */
.more-guidance {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.more-guidance.show {
    display: block;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .guidance-overview .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .guidance-overview .stat-card {
        padding: 1.5rem;
    }
    
    .guidance-overview .stat-number {
        font-size: 2rem;
    }
    
    .directions-grid,
    .highlight-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .direction-card,
    .highlight-card {
        padding: 1.5rem;
    }
    
    .guidance-timeline .timeline-items {
        margin-left: 1rem;
        padding-left: 1.5rem;
    }
    
    .guidance-timeline .timeline-item {
        padding: 1rem;
    }
    
    .guidance-timeline .timeline-marker {
        left: -2.25rem;
        width: 1rem;
        height: 1rem;
    }
}

@media (max-width: 480px) {
    .guidance-overview .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .guidance-overview .stat-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }
    
    .guidance-overview .stat-icon {
        font-size: 2rem;
    }
    
    .guidance-overview .stat-number {
        font-size: 1.8rem;
    }
}

/* 学生子类别样式 */
.student-subcategory {
    margin-bottom: 25px;
}

.student-subcategory h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 3px solid #BCCAD6;
}

/* 获奖情况列表样式 */
.awards-list {
    display: block !important;
    grid-template-columns: 1fr !important;
}

.awards-list li {
    margin-bottom: 10px;
    background-color: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 3px solid #0066cc;
    color: #444;
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.03);
}

.awards-list li:hover {
    transform: translateX(5px);
    background-color: #e6f0ff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

/* 研究成果列表（带序号） */
.research-list {
    list-style: decimal;
    padding-left: 1.25rem;
}

.research-list li {
    margin-bottom: 10px;
    background-color: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 3px solid #BCCAD6;
    color: #444;
    font-size: 1rem;
    line-height: 1.6;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.03);
}

.research-list li:hover {
    transform: translateX(5px);
    background-color: #e6f0ff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}


.cat-badge {
    display: inline-block;
    margin-right: 8px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #fff;
}

.cat-badge.journal { background-color: #0066cc; }
.cat-badge.conference { background-color: #1abc9c; }
.cat-badge.book { background-color: #f39c12; }
.cat-badge.patent { background-color: #9b59b6; }
.cat-badge.software { background-color: #27ae60; }

/* 扩展类别标签配色 */
.cat-badge.research { background-color: #0ca678; }
.cat-badge.teaching { background-color: #ff922b; }
.cat-badge.journal_international { background-color: #2b8a3e; }
.cat-badge.journal_domestic { background-color: #8d6cff; }
.cat-badge.research_award { background-color: #a61e4d; }
.cat-badge.teaching_award { background-color: #f06595; }
.cat-badge.organization { background-color: #2980b9; }
.cat-badge.review { background-color: #6c5ce7; }
.cat-badge.key_award { background-color: #f39c12; }
.cat-badge.continuous_award { background-color: #20c997; }
.cat-badge.academic { background-color: #4dabf7; }
.cat-badge.competition { background-color: #ff6b6b; }
.cat-badge.innovation { background-color: #38d9a9; }
.cat-badge.thesis { background-color: #845ef7; }

.student-name {
    font-weight: bold;
    margin-right: 15px;
}

.student-year, .student-topic, .student-current {
    color: #666;
    margin-right: 15px;
    display: inline-block;
}

/* 获奖情况样式 */
.awards-overview {
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 1.5rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.25);
}

.stat-card.research-awards {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-card.teaching-awards {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-card.total-awards {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.stat-card.recent-awards {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

/* 重点获奖展示 */
.highlight-awards {
    margin-bottom: 3rem;
}

.highlight-awards h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.highlight-awards h3 i {
    color: #f39c12;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.highlight-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border: 1px solid #e8ecef;
    position: relative;
    transition: all 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.highlight-badge {
    position: absolute;
    top: -10px;
    right: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.highlight-card h4 {
    color: #2c3e50;
    margin: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.highlight-card p {
    color: #7f8c8d;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.highlight-year {
    display: inline-block;
    background: #ecf0f1;
    color: #34495e;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* 时间轴样式 */
.awards-timeline {
    position: relative;
}

.timeline-container {
    position: relative;
    padding-left: 2rem;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
}

.timeline-year {
    position: relative;
    margin: 2rem 0 1rem 0;
}

.timeline-year h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    position: relative;
    left: -1rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: white;
    border: 3px solid #667eea;
    z-index: 2;
}

.timeline-item.research .timeline-marker {
    border-color: #e74c3c;
}

.timeline-item.teaching .timeline-marker {
    border-color: #3498db;
}

.timeline-item.highlight .timeline-marker {
    border-color: #f39c12;
    background: #f39c12;
    box-shadow: 0 0 0 4px rgba(243, 156, 18, 0.2);
}

.timeline-content {
    background: white;
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.timeline-item.research .timeline-content {
    border-left-color: #e74c3c;
}

.timeline-item.teaching .timeline-content {
    border-left-color: #3498db;
}

.timeline-item.highlight .timeline-content {
    border-left-color: #f39c12;
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.timeline-content:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.award-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: #ecf0f1;
    color: #34495e;
}

.timeline-item.research .award-type {
    background: #fadbd8;
    color: #c0392b;
}

.timeline-item.teaching .award-type {
    background: #d6eaf8;
    color: #2980b9;
}

.timeline-item.highlight .award-type {
    background: #fdeaa7;
    color: #d68910;
}

.timeline-content h5 {
    color: #2c3e50;
    margin: 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.award-organization {
    color: #7f8c8d;
    font-size: 0.85rem;
    margin: 0;
    font-style: italic;
}

/* 显示更多按钮 */
.show-more-section {
    text-align: center;
    margin: 2rem 0;
}

.show-more-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.show-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.show-more-btn i {
    transition: transform 0.3s ease;
}

.show-more-btn.expanded i {
    transform: rotate(180deg);
}

.more-awards {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.more-awards.show {
    display: block;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .stat-icon {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .highlight-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .timeline-container {
        padding-left: 1.5rem;
    }
    
    .timeline-container::before {
        left: 0.75rem;
    }
    
    .timeline-year h4 {
        left: -0.75rem;
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .timeline-item {
        padding-left: 1.5rem;
    }
    
    .timeline-marker {
        left: -2rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .timeline-content h5 {
        font-size: 0.9rem;
    }
}

/* 学术服务页面样式 */
.service-overview {
    margin-bottom: 3rem;
}

.service-overview .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.service-overview .stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.service-overview .stat-card:nth-child(1) { animation-delay: 0.1s; }
.service-overview .stat-card:nth-child(2) { animation-delay: 0.2s; }
.service-overview .stat-card:nth-child(3) { animation-delay: 0.3s; }
.service-overview .stat-card:nth-child(4) { animation-delay: 0.4s; }

.service-overview .stat-card.academic-organizations {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.service-overview .stat-card.journal-reviews {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.service-overview .stat-card.international-service {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.service-overview .stat-card.editorial-board {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.service-overview .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-overview .stat-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

.service-overview .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.service-overview .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 重点服务展示 */
.highlight-services {
    margin-bottom: 3rem;
}

.highlight-services h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.highlight-services h3 i {
    color: #f39c12;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 5px solid #3498db;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.highlight-card:nth-child(1) { animation-delay: 0.5s; }
.highlight-card:nth-child(2) { animation-delay: 0.6s; }
.highlight-card:nth-child(3) { animation-delay: 0.7s; }

.highlight-card.international {
    border-left-color: #e74c3c;
}

.highlight-card.editorial {
    border-left-color: #9b59b6;
}

.highlight-card.leadership {
    border-left-color: #f39c12;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.highlight-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #3498db;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.highlight-card.international .highlight-badge {
    background: #e74c3c;
}

.highlight-card.editorial .highlight-badge {
    background: #9b59b6;
}

.highlight-card.leadership .highlight-badge {
    background: #f39c12;
}

.highlight-card h4 {
    color: #2c3e50;
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
    line-height: 1.4;
}

.highlight-card p {
    color: #7f8c8d;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-type {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #3498db;
    font-weight: 500;
    font-size: 0.9rem;
}

/* 服务分类展示 */
.service-categories {
    margin-top: 3rem;
}

.category-section {
    margin-bottom: 3rem;
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
}

.category-header h3 {
    color: #2c3e50;
    font-size: 1.6rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-count {
    background: #BCCAD6;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.service-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
    border-left: 4px solid #3498db;
}

.service-item:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.service-item.international {
    border-left-color: #e74c3c;
}

.service-item.editorial {
    border-left-color: #9b59b6;
}

.service-item.leadership {
    border-left-color: #f39c12;
}

.service-item.professional {
    border-left-color: #1abc9c;
}

.service-item.committee {
    border-left-color: #34495e;
}

.service-item.regional {
    border-left-color: #16a085;
}

.service-item.research {
    border-left-color: #2980b9;
}

.service-item.team {
    border-left-color: #8e44ad;
}

.service-item.industry {
    border-left-color: #d35400;
}

.service-icon {
    font-size: 1.5rem;
    color: #0F2C4C;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.service-content h4 {
    color: #2c3e50;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    line-height: 1.4;
}

.service-content p {
    color: #7f8c8d;
    margin: 0 0 1rem 0;
    line-height: 1.5;
    font-size: 0.95rem;
}
/* 页脚样式 */
footer {
    background-color: #0F2C4C;
    color: #fff;
    padding: 20px 0;
}
footer .container p {
    color: #fff;
}

.service-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
}

.international-tag { background: #e74c3c; }
.editorial-tag { background: #9b59b6; }
.leadership-tag { background: #f39c12; }
.professional-tag { background: #1abc9c; }
.committee-tag { background: #34495e; }
.regional-tag { background: #16a085; }
.research-tag { background: #2980b9; }
.team-tag { background: #8e44ad; }
.industry-tag { background: #d35400; }

/* 显示更多按钮 */
.show-more-section {
    grid-column: 1 / -1;
    text-align: center;
    margin: 2rem 0;
}

.show-more-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.show-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.show-more-btn i {
    transition: transform 0.3s ease;
}

.show-more-btn.expanded i {
    transform: rotate(180deg);
}

.more-organizations {
    display: none;
    grid-column: 1 / -1;
}

.more-organizations.show {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    animation: fadeIn 0.5s ease;
}

/* 期刊展示 */
.journals-grid {
    display: grid;
    gap: 2rem;
}

.journal-group h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #ecf0f1;
}

.journal-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.journal-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    border-left: 4px solid #3498db;
}

.journal-item:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.journal-item.international {
    border-left-color: #e74c3c;
}

.journal-item.domestic {
    border-left-color: #27ae60;
}

.journal-icon {
    font-size: 1.5rem;
    color: #3498db;
    flex-shrink: 0;
}

.journal-info {
    flex: 1;
}

.journal-info h5 {
    color: #2c3e50;
    margin: 0 0 0.3rem 0;
    font-size: 1rem;
    line-height: 1.4;
}

.journal-info p {
    color: #7f8c8d;
    margin: 0;
    font-size: 0.9rem;
}

.journal-badge {
    padding: 0.3rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    color: white;
}

.international-badge {
    background: #e74c3c;
}

.domestic-badge {
    background: #27ae60;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .service-overview .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .highlight-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .journal-list {
        grid-template-columns: 1fr;
    }
    
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

.service-category {
    margin-bottom: 30px;
}

.service-category h3 {
    color: #333;
    font-size: 1.4rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.service-category ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    list-style: none;
}

.service-category ul li {
    background-color: #f5f5f5;
    padding: 12px 15px;
    border-radius: 6px;
    color: #444;
    position: relative;
    padding-left: 25px;
    line-height: 1.4;
    transition: background-color 0.3s;
}

.service-category ul li:hover {
    background-color: #e6f0ff;
}

.service-category ul li:before {
    content: '•';
    position: absolute;
    left: 10px;
    color: #0066cc;
    font-size: 1.2rem;
}

/* 联系方式样式 */
.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: #0066cc;
    margin-right: 15px;
    margin-top: 5px;
}

.contact-text h3 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin-bottom: 10px;
}

/* 访问统计样式 */
.stats-info {
    font-size: 0.9rem;
    color: #ccc;
    margin-top: 10px;
}

.stats-info span {
    color: #fff;
    font-weight: bold;
    margin: 0 2px;
}

.stats-loading {
    color: #999;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .profile-image {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .contact-info {
        justify-content: center;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 5px 0;
    }
    
    .publication-item, .award-item {
        flex-direction: column;
    }
    
    .pub-year, .award-year {
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    .profile-content h1 {
        font-size: 2rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
}
/* 首页简介语言切换 */
.lang-toggle {
    display: inline-flex;
    gap: 8px;
    margin-bottom: 12px;
}
.lang-btn {
    padding: 6px 12px;
    border: 1px solid #0F2C4C;
    background: #fff;
    color: #0F2C4C;
    border-radius: 14px;
    cursor: pointer;
}
.lang-btn.active {
    background: #E86A58;
    color: #fff;
}
.intro-en {
    display: none;
}
.research-areas {
    display: grid;
    gap: 24px;
}
.research-area {
    display: block;
    margin-bottom: 12px;
    align-items: start;
    background: #fff;
    border: 1px solid #e8ecef;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}
.research-figure {
    width: 100%;
    height: 160px;
    border-radius: 10px;
    overflow: hidden;
    background: #f5f7fa;
    margin: 8px 0 12px;
}
.research-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
@media (max-width: 768px) {
    .research-area {
        display: block;
    }
    .research-figure {
        height: 180px;
    }
}