/* 页脚样式 */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 80px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo img {
    height: 35px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-contact-info {
    margin-top: 20px;
}

.footer-contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-contact-info svg {
    width: 18px;
    height: 18px;
    fill: #00d4ff;
    flex-shrink: 0;
}

.footer-links h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #ffffff;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
    padding-left: 5px;
}

.footer-qrcode h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #ffffff;
}

.footer-qrcode .qrcode-box {
    width: 120px;
    height: 120px;
    background: #ffffff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.footer-qrcode .qrcode-box img {
    width: 100px;
    height: 100px;
}

.footer-qrcode p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-bottom-links a img {
    display: inline-block;
    vertical-align: middle;
    margin-right: 5px;
}

.footer-bottom-links a:hover {
    color: #00d4ff;
}

/* 响应式 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 50px 0 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
}