/* 页脚样式 */
.main-footer {
    background-color: #fff;
    padding: 40px 0;
    border-top: 1px solid #e8e8e8;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
    padding: 0 20px;
}

.footer-column h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #333;
}

.footer-column p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 12px;
}

.footer-column ul {
    list-style: none;
}

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

.footer-column ul li a {
    font-size: 14px;
    color: #666;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: #1890ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e8e8e8;
}

.footer-bottom p {
    font-size: 14px;
    color: #999;
}

/* 备案号样式 */
.icp-info a,
.security-info a {
    font-size: 12px;
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.icp-info a:hover,
.security-info a:hover {
    color: #1890ff;
    text-decoration: underline;
}

/* 响应式页脚 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
    }
    
    .footer-column {
        padding: 0;
        margin-bottom: 30px;
    }
}