/* ========================================
   页脚 - footer.css
   ======================================== */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 0;
}
.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}
.footer-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--gray-400);
}
.footer-telegram {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.footer-telegram a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
    transition: var(--transition);
}
.footer-telegram a:hover {
    background: rgba(99, 102, 241, 0.22);
    color: var(--white);
}
.footer-partners {
    font-size: 0.8125rem;
    line-height: 1.6;
    margin: 0;
    color: var(--gray-500);
}
.footer-partners a {
    margin-left: 1.125rem;
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}
.footer-partners a:hover {
    color: var(--primary-light);
}
.footer-brand .social-links {
    margin-top: 1.5rem;
}
.footer-brand .social-link {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--gray-400);
}
.footer-brand .social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}
.footer-links li {
    margin-bottom: 0.75rem;
}
.footer-links a {
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 0.25rem;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: var(--gray-500);
}