/* 网站底部样式 */
footer {
    background: #1d1d1f;
    color: white;
    padding: 60px 20px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 16px;
    color: #007AFF;
}

.footer-section p {
    margin: 0 0 8px;
    color: #86868b;
    line-height: 1.6;
}

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

.footer-section li {
    margin: 0 0 8px;
}

.footer-section a {
    color: #86868b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #007AFF;
}

.footer-bottom {
    border-top: 1px solid #2d2d2d;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    margin: 0 0 8px;
    color: #86868b;
    font-size: 14px;
}

.footer-bottom a {
    color: #86868b;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #007AFF;
}

.disclaimer {
    font-size: 12px !important;
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    footer {
        padding: 40px 20px 20px;
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    footer {
        padding: 30px 15px 15px;
        margin-top: 30px;
    }
    
    .footer-content {
        gap: 25px;
        margin-bottom: 30px;
    }
    
    .footer-section h3 {
        font-size: 16px;
    }
}