/* footer 基础样式 */
.footer-wrapper {
    background: #1e2838;
    color: #fff;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h3 {
    color: #fff;
    font-size: 1.2em;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    display: none;
}

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

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* 联系信息样式 */
.footer-column.contact .contact-info {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-column.contact .contact-info i {
    margin-right: 10px;
    color: #007bff;
    width: 20px;
    text-align: center;
}

/* 二维码样式 */
.qr-code {
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    margin-bottom: 10px;
}

.qr-code p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9em;
}

/* 底部版权信息 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* 响应式调整 */
@media screen and (max-width: 992px) {
    .footer-content {
        gap: 40px;
    }
    
    .footer-column {
        flex: 0 0 calc(50% - 20px);
    }
    
    .qr-code {
        flex: 0 0 100%;
        order: -1;
    }
}

@media screen and (max-width: 768px) {
    .footer-wrapper {
        padding: 40px 0 20px;
    }
    
    .footer-column {
        flex: 0 0 100%;
    }
}