/* 页脚样式 */
.site-footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    color: #ffffff;
    margin-top: 4rem;
    padding: 3rem 0 1rem;
    border-top: 1px solid #404040;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.footer-section h3.footer-title {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2E8B57;
}

.footer-icon {
    margin-right: 0.5rem;
    font-size: 1.8rem;
    animation: mystical-glow 5s ease-in-out infinite;
    filter: drop-shadow(0 0 6px rgba(147, 112, 219, 0.4));
}

@keyframes mystical-glow {
    0%, 100% {
        filter: drop-shadow(0 0 6px rgba(147, 112, 219, 0.4));
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 12px rgba(138, 43, 226, 0.7));
        transform: scale(1.05);
    }
}

.footer-description {
    color: #a0a0a0;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(46, 139, 87, 0.1);
    border: 1px solid #2E8B57;
    border-radius: 50%;
    text-align: center;
    line-height: 38px;
    font-size: 1.2rem;
    color: #2E8B57;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2E8B57;
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #2E8B57;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid #404040;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright p {
    margin: 0;
    color: #a0a0a0;
    font-size: 0.9rem;
}

.footer-badges {
    display: flex;
    gap: 0.8rem;
}

.badge {
    background: rgba(46, 139, 87, 0.1);
    color: #2E8B57;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(46, 139, 87, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-badges {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}