#footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 100px; /* 放大到200%: 50px * 2 = 100px */
    margin-right: 15px;
    filter: brightness(0) invert(1);
    object-fit: contain;
}

.company-name p:first-child {
    font-size: 20px;
    font-weight: 600;
}

.company-name p:last-child {
    font-size: 14px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
}

.link-group {
    margin-right: 60px;
    margin-bottom: 20px;
}

.link-group:last-child {
    margin-right: 0;
}

.link-group h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    position: relative;
}

.link-group h3:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.link-group ul li {
    margin-bottom: 10px;
}

.link-group ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.link-group ul li a:hover {
    color: var(--light-text);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
}

@media screen and (max-width: 991px) {
    .footer-top {
        flex-direction: column;
    }
    
    .footer-links {
        margin-top: 30px;
    }
    
    .link-group {
        margin-right: 40px;
    }
}

@media screen and (max-width: 767px) {
    #footer {
        padding: 40px 0 20px;
    }
    
    .footer-logo img {
        height: 80px; /* 移动端稍微小一点，避免过大 */
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .link-group {
        margin-right: 0;
        margin-bottom: 30px;
    }
}