/* 项目详情页样式 */
.project-detail {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 0;
}

/* 项目头部 */
.project-header {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #B0B8C1;
}

.project-icon-large {
    width: 80px;
    height: 80px;
    background-color: rgba(10, 47, 92, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 25px;
    font-size: 3rem;
    color: #0A2F5C;
}

.project-header h1 {
    font-size: 2.5rem;
    margin: 0;
    color: #333333;
    font-weight: 500;
}

/* 项目部分 */
.project-section {
    margin-bottom: 50px;
}

.project-section h2 {
    font-size: 1.8rem;
    color: #333333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #B0B8C1;
}

.project-section p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333333;
}

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

.research-area {
    background-color: #F4F5F7;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.research-area h3 {
    font-size: 1.3rem;
    color: #333333;
    margin-top: 0;
    margin-bottom: 15px;
}

.research-area h3 i {
    color: #0A2F5C;
    margin-right: 10px;
}

/* 目标列表 */
.goals-list {
    padding-left: 20px;
}

.goals-list li {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #333333;
    line-height: 1.5;
}

/* 案例研究 */
.case-studies {
    margin-top: 20px;
}

.case-study {
    background-color: #F4F5F7;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.case-study h3 {
    font-size: 1.3rem;
    color: #333333;
    margin-top: 0;
    margin-bottom: 15px;
}

/* 资源链接 */
.resources {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.resource-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 15px;
    background-color: #F4F5F7;
    border-radius: 6px;
    text-decoration: none;
    color: #0A2F5C;
    font-weight: 500;
    transition: all 0.2s ease;
}

.resource-link:hover {
    background-color: #E5E7EB;
    transform: translateY(-2px);
}

.resource-link i {
    margin-right: 8px;
}

/* 返回链接 */
.back-link {
    margin-top: 50px;
}

.back-link a {
    display: inline-flex;
    align-items: center;
    color: #6B7280;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.back-link a:hover {
    color: #0A2F5C;
}

.back-link a i {
    margin-right: 8px;
}

/* 更多项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.project-item {
    display: flex;
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.project-item-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(10, 47, 92, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.5rem;
    color: #0A2F5C;
}

.project-item-content {
    flex: 1;
}

.project-item-content h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: #333333;
}

.project-item-content p {
    font-size: 0.95rem;
    color: #6B7280;
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-item-link {
    font-size: 0.9rem;
    color: #0A2F5C;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    transition: all 0.2s ease;
}

.project-item-link:hover {
    color: #051E3E;
}

.project-item-link i {
    font-size: 0.75rem;
    margin-left: 5px;
    transition: transform 0.2s ease;
}

.project-item-link:hover i {
    transform: translateX(3px);
}

/* 联系按钮 */
.contact-btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #0A2F5C;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.contact-btn:hover {
    background-color: #051E3E;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .project-header {
        flex-direction: column;
        text-align: center;
    }
    
    .project-icon-large {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .research-areas, .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .resources {
        flex-direction: column;
    }
    
    .resource-link {
        width: 100%;
    }
}