.footer {
    background-color: white;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid #eee;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.footer-section p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.footer-section li {
    margin-bottom: 8px;
    color: #666;
}

.footer-section i {
    margin-right: 8px;
}

/* 图标颜色 */
.shield-icon { color: #28a745; }
.user-shield-icon { color: #17a2b8; }
.certificate-icon { color: #ffc107; }
.envelope-icon { color: #dc3545; }
.phone-icon { color: #28a745; }
.location-icon { color: #007bff; }
.brain-icon { color: #4a90e2; }
.doctor-icon { color: #50b7a0; }
.building-icon { color: #f5a623; }
.robot-icon { color: #7c5ac2; }
.heart-icon { color: #e74c3c; }

/* 快速链接样式 */
.footer-links a {
    color: #666;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #333;
}

.footer-links i {
    margin-right: 8px;
}

/* 版权信息样式 */
.footer-copyright {
    border-top: 1px solid #eee;
    padding-top: 20px;
    text-align: center;
}

.footer-copyright p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 30px 0;
        margin-top: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-section {
        text-align: center;
    }

    .footer-section h3 {
        text-align: center;
    }

    .footer-section ul {
        text-align: center;
    }

    .footer-section li {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .footer-links a {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 20px 0;
        margin-top: 30px;
    }

    .footer-section h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .footer-section p {
        font-size: 14px;
    }

    .footer-section li {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .footer-copyright p {
        font-size: 12px;
    }
}