/* ===== LearnSite完整底部 - 精确复刻版本 ===== */

/* 底部容器 */
html body .site-footer,
body .site-footer,
.site-footer {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    font-family: 'Microsoft YaHei', 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif !important;
    position: relative !important;
    background: #f5f5f7 !important;
    color: #1d1d1f !important;
    box-sizing: border-box !important;
}

/* 顶部紫色装饰条 */
html body .site-footer::before,
body .site-footer::before,
.site-footer::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 4px !important;
    background: #6366f1 !important;
    z-index: 1 !important;
}

/* 内容容器 */
html body .site-footer .site-footer-inner,
body .site-footer .site-footer-inner,
.site-footer .site-footer-inner {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 12px 40px 8px !important;
    position: relative !important;
    z-index: 2 !important;
    box-sizing: border-box !important;
}

/* ===== 主要内容区域（品牌+链接列） ===== */
html body .site-footer .site-footer-main,
body .site-footer .site-footer-main,
.site-footer .site-footer-main {
    display: grid !important;
    grid-template-columns: 2fr 1fr 1fr 1fr !important;
    gap: 24px !important;
    margin-bottom: 12px !important;
    padding-bottom: 10px !important;
    border-bottom: 1px solid #d2d2d7 !important;
}
    padding-bottom: 32px !important;
    border-bottom: 1px solid #d2d2d7 !important;
}

/* ===== 左侧品牌区 ===== */
html body .site-footer .site-footer-brand,
body .site-footer .site-footer-brand,
.site-footer .site-footer-brand {
    max-width: 360px !important;
}

html body .site-footer .site-footer-logo,
body .site-footer .site-footer-logo,
.site-footer .site-footer-logo {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px !important;
    margin-bottom: 6px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    color: #1d1d1f !important;
    text-decoration: none !important;
}

html body .site-footer .site-footer-logo-icon,
body .site-footer .site-footer-logo-icon,
.site-footer .site-footer-logo-icon {
    width: 24px !important;
    height: 24px !important;
    border-radius: 6px !important;
    background: transparent !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    color: #6366f1 !important;
    font-weight: 700 !important;
    flex-shrink: 0 !important;
}

html body .site-footer .site-footer-logo-icon.site-footer-logo-text,
body .site-footer .site-footer-logo-icon.site-footer-logo-text,
.site-footer .site-footer-logo-icon.site-footer-logo-text {
    background: #6366f1 !important;
    color: #ffffff !important;
}

html body .site-footer .site-footer-logo-icon img,
body .site-footer .site-footer-logo-icon img,
.site-footer .site-footer-logo-icon img {
    width: 24px !important;
    height: 24px !important;
    object-fit: contain !important;
}

html body .site-footer .site-footer-desc,
body .site-footer .site-footer-desc,
.site-footer .site-footer-desc {
    font-size: 11px !important;
    line-height: 1.5 !important;
    color: #86868b !important;
    margin-bottom: 6px !important;
    max-width: 240px !important;
}

/* 社交媒体图标 */
html body .site-footer .site-footer-social,
body .site-footer .site-footer-social,
.site-footer .site-footer-social {
    display: flex !important;
    gap: 6px !important;
    flex-wrap: wrap !important;
}

html body .site-footer .site-footer-social-link,
body .site-footer .site-footer-social-link,
.site-footer .site-footer-social-link {
    width: 24px !important;
    height: 24px !important;
    border-radius: 5px !important;
    background: transparent !important;
    border: 1px solid #d2d2d7 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    color: #86868b !important;
    transition: all 0.2s ease !important;
}

html body .site-footer .site-footer-social-link:hover,
body .site-footer .site-footer-social-link:hover,
.site-footer .site-footer-social-link:hover {
    background: #6366f1 !important;
    border-color: #6366f1 !important;
    color: #ffffff !important;
}

html body .site-footer .site-footer-social-link svg,
body .site-footer .site-footer-social-link svg,
.site-footer .site-footer-social-link svg {
    width: 12px !important;
    height: 12px !important;
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 2 !important;
    stroke-linecap: round !important;
    stroke-linejoin: round !important;
}

/* ===== 链接列 ===== */
html body .site-footer .site-footer-links,
body .site-footer .site-footer-links,
.site-footer .site-footer-links {
    display: contents !important;
}

html body .site-footer .site-footer-column,
body .site-footer .site-footer-column,
.site-footer .site-footer-column {
    min-width: 0 !important;
}

html body .site-footer .site-footer-column-title,
body .site-footer .site-footer-column-title,
.site-footer .site-footer-column-title {
    font-size: 11px !important;
    font-weight: 600 !important;
    color: #1d1d1f !important;
    margin-bottom: 6px !important;
    letter-spacing: 0 !important;
}

html body .site-footer .site-footer-column-list,
body .site-footer .site-footer-column-list,
.site-footer .site-footer-column-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

html body .site-footer .site-footer-column-item,
body .site-footer .site-footer-column-item,
.site-footer .site-footer-column-item {
    margin-bottom: 4px !important;
}

html body .site-footer .site-footer-column-link,
body .site-footer .site-footer-column-link,
.site-footer .site-footer-column-link {
    font-size: 11px !important;
    text-decoration: none !important;
    color: #86868b !important;
    transition: color 0.2s ease !important;
    display: inline-block !important;
}

html body .site-footer .site-footer-column-link:hover,
body .site-footer .site-footer-column-link:hover,
.site-footer .site-footer-column-link:hover {
    color: #6366f1 !important;
}

/* ===== 底部栏（版权信息） ===== */
html body .site-footer .site-footer-bottom,
body .site-footer .site-footer-bottom,
.site-footer .site-footer-bottom {
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
    font-size: 10px !important;
    color: #86868b !important;
    line-height: 1.3 !important;
}

html body .site-footer .site-footer-bottom-left,
body .site-footer .site-footer-bottom-left,
.site-footer .site-footer-bottom-left {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
}

html body .site-footer .site-footer-copyright,
body .site-footer .site-footer-copyright,
.site-footer .site-footer-copyright {
    color: #86868b !important;
    font-weight: 400 !important;
    white-space: nowrap !important;
    font-size: 10px !important;
}

html body .site-footer .site-footer-icp,
body .site-footer .site-footer-icp,
.site-footer .site-footer-icp {
    color: #86868b !important;
    display: flex !important;
    align-items: center !important;
    white-space: nowrap !important;
    font-size: 10px !important;
}

html body .site-footer .site-footer-icp a,
body .site-footer .site-footer-icp a,
.site-footer .site-footer-icp a {
    text-decoration: none !important;
    color: #86868b !important;
    transition: color 0.2s ease !important;
    font-size: 10px !important;
}

html body .site-footer .site-footer-icp a:hover,
body .site-footer .site-footer-icp a:hover,
.site-footer .site-footer-icp a:hover {
    color: #6366f1 !important;
}

html body .site-footer .site-footer-bottom-right,
body .site-footer .site-footer-bottom-right,
.site-footer .site-footer-bottom-right {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-wrap: wrap !important;
}

html body .site-footer .site-footer-powered,
body .site-footer .site-footer-powered,
.site-footer .site-footer-powered {
    font-size: 10px !important;
    color: #86868b !important;
    display: flex !important;
    align-items: center !important;
    gap: 3px !important;
    white-space: nowrap !important;
}

html body .site-footer .site-footer-powered::before,
body .site-footer .site-footer-powered::before,
.site-footer .site-footer-powered::before {
    content: 'Powered by' !important;
    margin-right: 2px !important;
}

html body .site-footer .site-footer-powered a,
body .site-footer .site-footer-powered a,
.site-footer .site-footer-powered a {
    text-decoration: none !important;
    color: #6366f1 !important;
    font-weight: 600 !important;
    transition: color 0.2s ease !important;
    font-size: 12px !important;
}

html body .site-footer .site-footer-powered a:hover,
body .site-footer .site-footer-powered a:hover,
.site-footer .site-footer-powered a:hover {
    color: #4f46e5 !important;
}

/* ===== 简洁模式（隐藏链接列） ===== */
html body .site-footer.simple-mode .site-footer-main,
body .site-footer.simple-mode .site-footer-main,
.site-footer.simple-mode .site-footer-main {
    display: none !important;
}

html body .site-footer.simple-mode .site-footer-inner,
body .site-footer.simple-mode .site-footer-inner,
.site-footer.simple-mode .site-footer-inner {
    padding: 24px 40px !important;
}

html body .site-footer.simple-mode .site-footer-bottom,
body .site-footer.simple-mode .site-footer-bottom,
.site-footer.simple-mode .site-footer-bottom {
    justify-content: center !important;
    text-align: center !important;
}

html body .site-footer.simple-mode .site-footer-bottom-left,
body .site-footer.simple-mode .site-footer-bottom-left,
.site-footer.simple-mode .site-footer-bottom-left {
    justify-content: center !important;
}

html body .site-footer.simple-mode .site-footer-bottom-right,
body .site-footer.simple-mode .site-footer-bottom-right,
.site-footer.simple-mode .site-footer-bottom-right {
    justify-content: center !important;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    html body .site-footer .site-footer-main,
    body .site-footer .site-footer-main,
    .site-footer .site-footer-main {
        grid-template-columns: 1fr 1fr !important;
        gap: 40px !important;
    }
    
    html body .site-footer .site-footer-brand,
    body .site-footer .site-footer-brand,
    .site-footer .site-footer-brand {
        grid-column: 1 / -1 !important;
        max-width: 100% !important;
    }
}

@media (max-width: 768px) {
    html body .site-footer::before,
    body .site-footer::before,
    .site-footer::before {
        height: 3px !important;
    }
    
    html body .site-footer .site-footer-inner,
    body .site-footer .site-footer-inner,
    .site-footer .site-footer-inner {
        padding: 32px 24px 20px !important;
    }
    
    html body .site-footer .site-footer-main,
    body .site-footer .site-footer-main,
    .site-footer .site-footer-main {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
        margin-bottom: 32px !important;
        padding-bottom: 24px !important;
    }
    
    html body .site-footer .site-footer-brand,
    body .site-footer .site-footer-brand,
    .site-footer .site-footer-brand {
        max-width: 100% !important;
    }
    
    html body .site-footer .site-footer-bottom,
    body .site-footer .site-footer-bottom,
    .site-footer .site-footer-bottom {
        flex-direction: column !important;
        align-items: center !important;
        gap: 12px !important;
        text-align: center !important;
    }
    
    html body .site-footer .site-footer-bottom-left,
    body .site-footer .site-footer-bottom-left,
    .site-footer .site-footer-bottom-left {
        width: 100% !important;
        justify-content: center !important;
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    html body .site-footer .site-footer-bottom-right,
    body .site-footer .site-footer-bottom-right,
    .site-footer .site-footer-bottom-right {
        width: 100% !important;
        justify-content: center !important;
    }
    
    html body .site-footer.simple-mode .site-footer-inner,
    body .site-footer.simple-mode .site-footer-inner,
    .site-footer.simple-mode .site-footer-inner {
        padding: 20px 24px !important;
    }
}