/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
    font-size: 14px;
}

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

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
    padding: 0 15px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #0056b3;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links a:hover {
    color: #0056b3;
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.footer-contact i {
    color: #0056b3;
    margin-right: 10px;
    margin-top: 3px;
    width: 18px;
    text-align: center;
}

.footer-contact span {
    color: #ccc;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 10px;
    color: #ccc;
}

.footer-bottom a {
    color: #ccc;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        flex-direction: column;
    }
    
    .footer-column {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    footer {
        padding: 30px 0 15px;
    }
    
    .footer-column {
        min-width: 100%;
    }
    
    .footer-bottom p {
        font-size: 12px;
    }
    
    .footer-bottom a {
        margin: 0 5px;
        font-size: 12px;
    }
}