/* 页脚样式 */
.footer {
    background-color: #f8f8f8;
    border-top: 1px solid #e0e0e0;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #333;
}

.footer-section p {
    color: #666;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section ul li a:hover {
    color: #0066cc;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #666;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.social-links a:hover {
    color: #0066cc;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
    color: #666;
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}