/* 页脚 */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: var(--accent);
    bottom: 0;
    left: 0;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/*友情链接*/
.footer-column-links {
    display: none;
}

.links {
    display: flex;
    margin: 2rem auto 0;
    max-width: 1200px;
}

.links .title {
    margin-right: 1rem;
}

.links-list {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.links-list a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1070px) {
    .section {
        padding: 2rem;
    }

    .links {
        display: none;
    }

    .footer-column-links {
        display: block;
    }

    .footer-container + .footer-divider {
        display: none;
    }
}