/* 页脚样式 */
.footer {
    background: var(--dark-blue);
    color: var(--gray-light);
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xxl);
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xxl);
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-description {
    color: var(--gray-light);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
    border-radius: 50%;
    transition: all var(--transition-medium);
    font-size: 1.6rem;
}

.social-link:hover {
    background: rgba(0, 229, 255, 0.2);
    color: var(--accent);
    transform: translateY(-5px);
}

.footer-title {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--gray-light);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-link:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.footer-link i {
    font-size: 1.2rem;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.copyright {
    color: var(--gray);
    font-size: 1.4rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.legal-link {
    color: var(--gray);
    font-size: 1.4rem;
    transition: all var(--transition-fast);
}

.legal-link:hover {
    color: var(--white);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}