/* 实验室介绍页面样式 */

/* 页面标题区域 */
.lab-intro-hero {
    background-image: url('images/lab-intro-bg.jpg');
    background-size: cover;
    background-position: center;
}

/* 内容区域 */
.lab-intro-content {
    padding: var(--spacing-xxl) 0;
    background-color: #ffffff;
}

.lab-intro-content .container {
    max-width: 1100px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

.content-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

.content-section p {
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* 二级下拉菜单样式 */
.sub-dropdown {
    position: absolute;
    left: 100%;
    top: 0;
    background-color: #fff;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    z-index: 1000;
    padding: var(--spacing-xs) 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .lab-intro-content .container {
        padding: 0 var(--spacing-md);
    }
    
    .sub-dropdown {
        position: static;
        box-shadow: none;
        min-width: auto;
        padding-left: var(--spacing-md);
        border-radius: 0;
    }
    
    .sub-dropdown a {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* 文旅重点实验室样式 */
.key-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.feature-item {
    padding: 1.5rem;
    border-radius: 8px;
    background-color: var(--primary-light);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-item h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.feature-item p {
    margin-bottom: 0;
    color: var(--text-medium);
}

.research-directions {
    padding-left: 1.5rem;
}

.research-directions li {
    margin-bottom: 1.5rem;
}

.research-directions h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.achievements {
    margin: 2rem 0;
}

.achievement-card {
    display: flex;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.achievement-card:hover {
    transform: translateX(5px);
}

.achievement-icon {
    flex: 0 0 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.achievement-content {
    flex: 1;
}

.achievement-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.achievement-content p {
    margin-bottom: 0;
}

.partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    margin: 2rem 0;
}

.partner-logo {
    width: 150px;
    height: 80px;
    margin: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    filter: grayscale(0);
    opacity: 1;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
}

.contact-details {
    background-color: var(--secondary-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-details i {
    width: 20px;
    color: var(--primary-color);
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .key-features {
        grid-template-columns: 1fr;
    }
    
    .achievement-card {
        flex-direction: column;
    }
    
    .achievement-icon {
        margin-bottom: 1rem;
    }
    
    .partners {
        justify-content: center;
    }
    
    .partner-logo {
        width: 120px;
        height: 60px;
    }
}