/* Footer Styles */

.site-footer {
    background: #1e293b;
    color: #e2e8f0;
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section {
    margin-bottom: 30px;
}

.footer-title {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-description {
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: 10px;
}

.footer-menu a {
    color: #e2e8f0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: #3b82f6;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e2e8f0;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social .social-link:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: 1px solid #374151;
    border-radius: 6px;
    background: #374151;
    color: #e2e8f0;
    font-size: 14px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: #3b82f6;
}

.newsletter-form button {
    padding: 12px 20px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background: #2563eb;
}

/* Footer Bottom - White Text */
.footer-bottom {
    background: #1e293b; /* 深色背景 */
    padding: 20px 0;
    border-top: 1px solid #374151;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: #ffffff !important;
    margin: 0;
    font-size: 14px;
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.footer-links a {
    color: #ffffff !important;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6 !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-links {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .copyright,
    .footer-links a {
        font-size: 13px;
    }
}