/* 底部区域 */
.footer {
    margin-top: 80px;
    padding: 40px 20px;
    background-color: #dbe2e8;
    color: #666;
    font-size: 0.9rem;
}

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

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-section {
    margin-bottom: 20px;
}

.footer-section h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2563eb;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
    text-align: center;
}

.copyright {
    margin-bottom: 10px;
}

.friend-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.friend-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.friend-links a:hover {
    color: #2563eb;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .footer-top {
        justify-content: center;
        text-align: center;
    }

    .footer-section {
        margin-right: 20px;
    }
}