/* 页脚样式 */
#footer {
    background-color: var(--secondary-color);
    color: var(--text-secondary);
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--gray-200);
}

.footer-main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.footer-about {
    flex: 2;
    min-width: 280px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-about p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.social-icons {
    display: flex;
    gap: var(--spacing-lg);
}

.social-icons a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: color var(--transition-fast);
}

.social-icons a:hover {
    color: var(--primary-color);
}

.footer-links {
    flex: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.footer-column {
    min-width: 150px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.footer-legal a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: var(--spacing-lg);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-primary);
}