/* 页脚样式 */
.footer {
    background: #070d17;
    color: white;
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.3), transparent);
}

.footer p {
    opacity: 0.6;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.125rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.social-links a:hover {
    color: #7dd3fc;
    background: rgba(56, 189, 248, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: rgba(56, 189, 248, 0.3);
}