/* 页面标题样式 */
.page-header {
    background: rgba(47, 79, 109, 0.95);
    padding: 100px 0 50px;
    color: #fff;
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
}

/* 项目网格布局 */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.project-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.project-item:hover {
    transform: translateY(-5px);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: #333;
}

.project-content p {
    color: #666;
    margin-bottom: 15px;
}

.project-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.period {
    color: #888;
    font-size: 0.9rem;
}

.read-more {
    color: #2F4F6D;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #1a2f42;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}