/* 成果展示页面样式 */
.achievements-section {
    padding: 60px 20px;
    background: #f8f9fa;
}

/* 统计数据概览 */
.stats-overview {
    display: flex;
    justify-content: center;
    gap: 30px;
    align-items: stretch;
    margin-bottom: 60px;
}

.stat-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease-out;
    flex: 1;
    overflow: visible;
}

.stat-box:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.1;
    display: block;
    width: 100%;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 论文部分 */
.papers-section {
    margin-bottom: 60px;
}

.papers-list {
    margin-top: 30px;
}

.paper-item {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s ease-out;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.paper-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.05), transparent);
    transition: left 0.4s ease;
}

.paper-item:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, #fff 0%, #f0f4ff 100%);
}

.paper-item:hover::before {
    left: 100%;
}

.paper-content h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.paper-content h3 a,
.paper-content h3 a:link,
.paper-content h3 a:visited {
    color: inherit !important;
    text-decoration: none !important;
    transition: color 0.3s ease;
}

.paper-content h3 a:hover {
    color: #667eea !important;
}

.paper-authors {
    color: #666;
    font-style: italic;
    margin-bottom: 5px;
}

.paper-venue {
    color: #3498db;
    font-weight: 500;
    margin-bottom: 15px;
}

.paper-tags {
    display: flex;
    gap: 10px;
}

.tag-highlight {
    background: #e74c3c;
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.tag-normal {
    background: #e9ecef;
    color: #495057;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.paper-links {
    display: flex;
    gap: 10px;
}

.link-button {
    background: #3498db;
    color: white;
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.link-button:hover {
    background: #2980b9;
}

.view-more {
    text-align: center;
    margin-top: 30px;
}

.view-more-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.view-more-link:hover {
    color: #2980b9;
}

/* 专利部分 */
.patents-section {
    background: #f8f9fa;
    padding: 60px 0;
    margin: 0 -20px;
}

.patents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
    padding: 0 20px;
}

.patent-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.patent-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #fff 0%, #f0f4ff 100%);
}

.patent-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.patent-card:hover .patent-icon {
    color: #667eea;
}

.patent-card h4 {
    color: #2c3e50;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.patent-number {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.patent-status {
    color: #28a745;
    font-weight: 600;
}

/* 获奖时间线 */
.awards-section {
    margin: 60px 0;
}

.awards-timeline {
    position: relative;
    padding: 30px 0;
    margin-top: 30px;
}

.awards-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e9ecef;
}

.award-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.award-content {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    padding: 25px 35px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    flex: 1;
    transition: all 0.4s ease-out;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.award-item:hover .award-content {
    transform: translateX(15px) translateY(-2px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, #fff 0%, #f0f4ff 100%);
}

.award-year {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.award-item:hover .award-year {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.award-content h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.award-content p {
    color: #666;
}

/* 成果转化 */
.transfer-section {
    background: #f8f9fa;
    padding: 60px 0;
    margin: 0 -20px;
}

.transfer-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
    padding: 0 20px;
}

.transfer-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.transfer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.transfer-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.transfer-card h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin: 20px;
    margin-bottom: 10px;
}

.transfer-card p {
    color: #666;
    margin: 0 20px 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .paper-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .paper-bottom-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .paper-tags {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        flex: 1;
    }
    
    .paper-links {
        flex-shrink: 0;
    }
    
    .awards-timeline::before {
        display: none;
    }
    
    .award-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .award-year {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .achievements-section {
        padding: 40px 10px;
    }
    
    .stats-overview {
        gap: 10px;
        max-width: 100%;
    }
    
    .stat-box {
        padding: 15px 5px;
        flex: 1 1 100px;
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .stat-label {
        font-size: 0.8rem;
        line-height: 1.2;
    }
}

@media (max-width: 320px) {
    .stat-box {
        padding: 12px 3px;
    }
    
    .stat-number {
        font-size: 1.5rem;
        margin-bottom: 5px;
    }
    
    .stat-label {
        font-size: 0.7rem;
        line-height: 1.1;
    }
}