/* ===== 页脚样式 ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-section {
    margin-bottom: 1rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-links li {
    margin: 0;
    padding: 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 1rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* 响应式 */
@media (max-width: 768px) {
    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }
}