/* 页脚响应式样式 */
.footer {
    background-color: var(--background-color);
    color: var(--text-secondary);
}

.footer-main {
    position: relative;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.footer-description {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

.footer-links {
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-size: 0.95rem;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
    transform: translateX(5px);
}

.footer-links i {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    transition: all 0.2s ease;
    padding: 0.5rem;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white !important;
    transform: translateY(-3px);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.02);
}

.footer-bottom .container {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* 响应式布局优化 */
@media (max-width: 768px) {
    .footer-main {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }

    .footer-title {
        margin-top: 1.5rem;
        margin-bottom: 1rem;
        font-size: 1.1rem;
    }

    .footer-description {
        font-size: 0.9rem;
    }

    .footer-links {
        margin-bottom: 1rem;
    }

    .footer-links a {
        font-size: 0.9rem;
    }

    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }

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

    .footer-bottom p {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .footer-bottom .text-md-end {
        text-align: center !important;
        margin-top: 0.5rem;
    }

    .contact-info li {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        margin-bottom: 0.75rem;
    }

    .contact-info i {
        width: 20px;
        margin-right: 10px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 576px) {
    .footer-main {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .footer-title {
        font-size: 1rem;
    }

    .footer-description {
        font-size: 0.85rem;
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

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

    .social-links a {
        width: 2.25rem;
        height: 2.25rem;
    }
}