/* ============================================================
   theme.css — 主题统一样式表
   将分散在模板文件中的内嵌 <style> 全部提取到这里统一管理
   ============================================================ */

/* ==========================================
   零、顶部顶栏（.header-top）链接 hover 统一
   ========================================== */
.header-top { background-color: #333333 !important; }
.header-top .header-l span a:hover { background-color: #31af99 !important; color: #fff !important; }

/* ==========================================
   一、全局通用工具类
   ========================================== */

/* 通用下拉菜单美化 */
.dyui-header .dropdown-menu,
.header-offcanvas .dropdown-menu { border: none; box-shadow: 0 4px 24px rgba(0,0,0,0.08); border-radius: 10px; padding: 8px 0; }
.dyui-header .dropdown-menu .dropdown-item,
.header-offcanvas .dropdown-menu .dropdown-item { padding: 10px 20px; font-size: 14px; color: #333; transition: all 0.15s; }
.dyui-header .dropdown-menu .dropdown-item:hover,
.dyui-header .dropdown-menu .dropdown-item:focus,
.header-offcanvas .dropdown-menu .dropdown-item:hover,
.header-offcanvas .dropdown-menu .dropdown-item:focus { color: #31af99; background-color: #F5F9F8; }
.dyui-header .dropdown-menu .dropdown-item.active,
.dyui-header .dropdown-menu .dropdown-item:active,
.header-offcanvas .dropdown-menu .dropdown-item.active,
.header-offcanvas .dropdown-menu .dropdown-item:active { color: #31af99; background-color: #F5F9F8; }

/* 桌面端下拉菜单 hover 展示 */
@media (min-width: 992px) {
    .dyui-header .dropdown:hover > .dropdown-menu,
    .dyui-nav .dropdown:hover > .dropdown-menu { display: block; }
    .dyui-header .dropdown:hover > .dropdown-toggle,
    .dyui-nav .dropdown:hover > .dropdown-toggle { color: #31af99; }
}

/* 通用分割线 */
.divider-icon { display: flex; align-items: center; color: #999; }
.divider-text { font-size: 0.85rem; font-weight: 500; color: #666; letter-spacing: 1px; }

/* 帮助中心栏目分类颜色 */
.dyui-gdznav .scroll-list a:hover,
.dyui-gdznav .scroll-list a.active { color: #31af99; }
.hover-text-primary:hover { color: #31af99 !important; }
.fly-list .layui-badge { background-color: #31af99; margin-right: 8px; }

/* 分类颜色覆盖（c_list.php） */
.cate-color .dyui-border-sharp .layui-badge { background-color: #31af99 !important; border-color: #31af99 !important; margin-right: 8px; }
.cate-color .layui-breadcrumb a { color: #31af99; }
.cate-color .layui-breadcrumb a cite.fa { color: #6c757d; }
.cate-color .layui-breadcrumb a:hover { color: #239985; }

/* ==========================================
   二、站内页脚辅助样式（base 由 global-enhance.css 统一提供）
   ========================================== */
.fn-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.fn-desc { display: flex; justify-content: center; flex-wrap: wrap; gap: 32px; margin-bottom: 28px; }
.fn-desc a { font-size: 14px; color: #b0b7c6; }
.fn-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.fn-tags span {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    padding: 4px 16px;
    font-size: 12px;
    color: #6b738a;
}
.fn-bottom {
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.06);
    color: #5c6376;
    font-size: 12px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.fn-bottom a { color: #5c6376; }
.fn-bottom a:hover { color: #8b92a5; }
@media (max-width: 768px) {
    .fn-desc { gap: 20px; }
    .fn-tags { gap: 8px; }
    .fn-bottom { flex-direction: column; gap: 6px; }
}

/* 移动端底部导航栏 */
.mobile-bottom-nav { display: none; }
@media (max-width: 768px) {
    .mobile-bottom-nav {
        position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
        background: #fff; border-top: 1px solid #e8e8e8;
        padding: 6px 0; padding-bottom: max(6px, env(safe-area-inset-bottom));
        display: flex; justify-content: space-around; align-items: center;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    }
}
.mobile-bottom-nav .nav-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-decoration: none; color: #999; font-size: 11px; gap: 3px;
    transition: color 0.2s; padding: 2px 0; min-width: 56px;
}
.mobile-bottom-nav .nav-item.active,
.mobile-bottom-nav .nav-item:hover { color: #31af99; }
.mobile-bottom-nav .nav-icon { display: flex; align-items: center; justify-content: center; }
.mobile-bottom-nav .nav-label { line-height: 1; }

/* ==========================================
   三、头部导航 — 已登录会员下拉菜单
   ========================================== */
#dr_member_info .member-dropdown { position: relative; display: inline-block; vertical-align: middle; padding-bottom: 14px; margin-bottom: -14px; }
#dr_member_info .member-trigger { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 0 4px; border-radius: 0; background: transparent; transition: background 0.2s; user-select: none; vertical-align: middle; }
#dr_member_info .member-trigger:hover,
#dr_member_info .member-trigger.open { background: transparent; }
#dr_member_info .member-avatar-wrap { width: 26px; height: 26px; border-radius: 50%; overflow: hidden; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff; }
#dr_member_info .member-avatar-wrap img { width: 100%; height: 100%; object-fit: cover; }
#dr_member_info .member-name { color: #fff; font-size: 13px; font-weight: 500; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#dr_member_info .member-arrow { color: rgba(255,255,255,0.7); transition: transform 0.2s; }
#dr_member_info .member-trigger.open .member-arrow { transform: rotate(180deg); }
.member-popover-menu { position: fixed; top: 0; left: 0; min-width: 180px; background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,0.15); border: 1px solid #E2E8F0; padding: 8px 0; display: none; z-index: 99999; }
.member-popover-menu.open { display: block; }
.member-popover-menu::before { content: ""; position: absolute; top: -7px; right: 20px; width: 12px; height: 12px; background: #fff; border-left: 1px solid #E2E8F0; border-top: 1px solid #E2E8F0; transform: rotate(45deg); }
.member-popover-menu a { display: flex; align-items: center; gap: 10px; padding: 11px 18px; color: #334155; font-size: 14px; text-decoration: none; transition: all 0.15s; white-space: nowrap; }
.member-popover-menu a:hover { background: #F1F5F9; color: #4F46E5; }
.member-popover-menu a svg { color: #64748B; flex-shrink: 0; }
.member-popover-divider { height: 1px; background: #E2E8F0; margin: 6px 0; }

/* ==========================================
   四、头部导航 — 未登录访客下拉菜单
   ========================================== */
#dr_member_info .guest-dropdown { position: relative; display: inline-block; vertical-align: middle; padding-bottom: 14px; margin-bottom: -14px; }
#dr_member_info .guest-trigger { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 0 4px; border-radius: 0; background: transparent; transition: background 0.2s; user-select: none; vertical-align: middle; }
#dr_member_info .guest-trigger:hover,
#dr_member_info .guest-trigger.open { background: transparent; }
#dr_member_info .guest-avatar-wrap { width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
#dr_member_info .guest-name { color: #fff; font-size: 13px; font-weight: 500; white-space: nowrap; }
#dr_member_info .guest-arrow { color: rgba(255,255,255,0.7); transition: transform 0.2s; }
#dr_member_info .guest-trigger.open .guest-arrow { transform: rotate(180deg); }
.guest-popover-menu { position: fixed; top: 0; left: 0; min-width: 180px; background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,0.15); border: 1px solid #E2E8F0; padding: 8px 0; display: none; z-index: 99999; }
.guest-popover-menu.open { display: block; }
.guest-popover-menu::before { content: ""; position: absolute; top: -7px; right: 20px; width: 12px; height: 12px; background: #fff; border-left: 1px solid #E2E8F0; border-top: 1px solid #E2E8F0; transform: rotate(45deg); }
.guest-popover-menu a { display: flex; align-items: center; gap: 10px; padding: 11px 18px; color: #334155; font-size: 14px; text-decoration: none; transition: all 0.15s; white-space: nowrap; }
.guest-popover-menu a:hover { background: #F1F5F9; color: #4F46E5; }
.guest-popover-menu a svg { color: #64748B; flex-shrink: 0; }
.guest-popover-divider { height: 1px; background: #E2E8F0; margin: 6px 0; }

/* ==========================================
   四、首页 Banner 轮播
   ========================================== */
.banner-carousel { position: relative; overflow: hidden; }
.banner-carousel img { width: 100%; display: block; }
.banner-dots { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.banner-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: all 0.3s; }
.banner-dots span.active { background: #fff; width: 24px; border-radius: 4px; }

/* 首页 section 标题 */
.index-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.index-section-title { font-size: 22px; font-weight: 700; color: #1E293B; }
.index-section-more { font-size: 14px; color: #666; text-decoration: none; }
.index-section-more:hover { color: #1E293B; }

/* ==========================================
   四、作者页面
   ========================================== */
.author-header-card { background: #fff; border-radius: 12px; padding: 28px 30px; margin-bottom: 24px; border: 1px solid #F2F3F5; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.author-header-left { display: flex; align-items: center; gap: 18px; }
.author-header-avatar { width: 68px; height: 68px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.author-header-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-header-info { display: flex; flex-direction: column; gap: 6px; }
.author-header-name { font-size: 22px; font-weight: 700; color: #1E293B; }
.author-header-meta { font-size: 14px; color: #999; }
.author-header-stats { display: flex; gap: 32px; }
.stat-item { text-align: center; }
.stat-num { font-size: 22px; font-weight: 700; color: #1E293B; }
.stat-label { font-size: 12px; color: #999; margin-top: 2px; }

/* 文章列表 */
.article-list { display: flex; flex-direction: column; gap: 16px; }
.article-item { display: flex; gap: 18px; background: #fff; border-radius: 10px; padding: 20px; border: 1px solid #F2F3F5; transition: box-shadow 0.2s; }
.article-item:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.article-thumb { width: 220px; height: 140px; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
.article-title { font-size: 17px; font-weight: 600; color: #1E293B; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-title a { color: inherit; text-decoration: none; }
.article-title a:hover { color: #31af99; }
.article-excerpt { font-size: 14px; color: #888; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.article-meta { font-size: 12px; color: #bbb; display: flex; gap: 16px; align-items: center; }

/* 热门列表 */
.hot-list { list-style: none; padding: 0; margin: 0; }
.hot-list li { padding: 10px 0; border-bottom: 1px solid #F2F3F5; display: flex; align-items: center; gap: 10px; }
.hot-list li:last-child { border-bottom: none; }
.hot-list .rank { display: inline-block; width: 20px; height: 20px; line-height: 20px; text-align: center; border-radius: 4px; font-size: 12px; font-weight: 700; color: #fff; background: #CBD5E1; flex-shrink: 0; }
.hot-list li:nth-child(1) .rank,
.hot-list li:nth-child(2) .rank,
.hot-list li:nth-child(3) .rank { background: #31af99; }
.hot-list a { color: #555; font-size: 14px; text-decoration: none; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color 0.2s; }
.hot-list a:hover { color: #31af99; }
.hot-list li.hot a { font-weight: 500; color: #1E293B; }

@media (max-width: 768px) {
    .author-header-card { padding: 20px; }
    .author-header-left { gap: 14px; }
    .author-header-avatar { width: 56px; height: 56px; }
    .author-header-name { font-size: 20px; }
    .article-item { flex-direction: column; padding: 16px; }
    .article-thumb { width: 100%; height: 180px; }
}

/* ==========================================
   五、应用列表
   ========================================== */
.tag-item { display: inline-block; padding: 4px 12px; background: #F1F5F9; color: #475569; border-radius: 20px; font-size: 13px; margin: 0 6px 8px 0; text-decoration: none; transition: all 0.15s; }
.tag-item:hover { background: #E2E8F0; color: #1E293B; }
.section-title { font-size: 18px; font-weight: 700; color: #1E293B; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid #F2F3F5; }
.app-card { background: #fff; border-radius: 10px; border: 1px solid #F2F3F5; padding: 20px; transition: box-shadow 0.2s; }
.app-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.app-card .app-icon { width: 48px; height: 48px; border-radius: 10px; flex-shrink: 0; }
.app-card .app-name { font-size: 16px; font-weight: 600; color: #1E293B; }
.app-card .app-desc { font-size: 13px; color: #888; line-height: 1.5; }

/* ==========================================
   六、帮助中心文章
   ========================================== */
/* 左侧目录 */
.help-sidebar-nav .layui-nav-tree { background: transparent !important; border: none !important; }
.help-sidebar-nav .layui-nav-item .d1 { display: flex; align-items: center; justify-content: space-between; }
.help-sidebar-nav .layui-nav-item > .d1 > a {
    font-size: 13px !important; color: #555 !important; padding: 5px 8px !important;
    display: block !important; border-radius: 4px !important; text-decoration: none !important;
    line-height: 1.55 !important; background: transparent !important;
}
.help-sidebar-nav .layui-nav-item > .d1 > a:hover { background: #F5F7FA !important; color: #333 !important; }
.help-sidebar-nav .layui-nav-child { background: transparent !important; }
.help-sidebar-nav .layui-nav-child dd,
.help-sidebar-nav .layui-nav-child li { background: transparent !important; }
.help-sidebar-nav .layui-nav-child a,
.help-sidebar-nav .layui-nav-child dd a {
    font-size: 13px !important; color: #888 !important; padding: 5px 8px 5px 20px !important;
    display: block !important; border-radius: 4px !important; text-decoration: none !important;
    line-height: 1.55 !important; background: transparent !important;
}
.help-sidebar-nav .layui-nav-child a:hover,
.help-sidebar-nav .layui-nav-child dd a:hover { background: #F5F7FA !important; color: #333 !important; }
.help-sidebar-nav .layui-nav-child a.c2,
.help-sidebar-nav .layui-nav-child dd a.c2,
.help-sidebar-nav .layui-nav-child a.c2[href],
.help-sidebar-nav .layui-this a,
.help-sidebar-nav .layui-nav-item.layui-this > .d1 > a {
    color: #555 !important; background: transparent !important; font-weight: 400 !important;
}
.help-sidebar-nav .layui-nav-child a.c2:hover,
.help-sidebar-nav .layui-nav-child dd a.c2:hover { background: #F5F7FA !important; color: #333 !important; }

/* 右侧"本页目录" */
.help-page-toc::-webkit-scrollbar { width: 4px; }
.help-page-toc::-webkit-scrollbar-thumb { background: #D1D5DB; border-radius: 2px; }
.help-page-toc .toc-nav ul { list-style: none; padding: 0; margin: 0; }
.help-page-toc .toc-nav li { margin-bottom: 2px; }
.help-page-toc .toc-nav a {
    display: block; color: #666; font-size: 13px; line-height: 1.55;
    padding: 5px 8px; border-radius: 4px; text-decoration: none; transition: all 0.12s;
}
.help-page-toc .toc-nav a:hover { color: #31af99; background: #F5F7FA; }
.help-page-toc .toc-nav a.active { color: #31af99; background: #E8F1FF; font-weight: 500; }
.help-page-toc .toc-nav .toc-h2 { font-weight: 500; }
.help-page-toc .toc-nav .toc-h3 { padding-left: 16px; font-size: 12px; color: #777; }

/* 文章内容排版 */
.article-content { font-size: 15px; color: #333; line-height: 1.85; }
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    position: relative; margin: 28px 0 18px; padding-bottom: 8px;
    color: #111; font-weight: 700; line-height: 1.4;
    overflow-wrap: break-word !important; height: auto !important;
    transform: none !important; box-shadow: none !important;
}
.article-content h1::after,
.article-content h2::after,
.article-content h3::after,
.article-content h4::after,
.article-content h5::after,
.article-content h6::after {
    content: ''; position: absolute; bottom: -1px; left: 0;
    width: 50px; height: 2px; background: #0052D9; border-radius: 1px;
    transform: none !important; border: none !important; box-shadow: none !important;
}
.article-content h1 { font-size: 26px !important; margin-top: 0 !important; }
.article-content h2 { font-size: 23px !important; }
.article-content h3 { font-size: 19px !important; }
.article-content h4 { font-size: 17px !important; }
.article-content h5 { font-size: 16px !important; }
.article-content h6 { font-size: 15px !important; color: #444 !important; }
.article-content h2:first-child,
.article-content h3:first-child,
.article-content h4:first-child,
.article-content h5:first-child,
.article-content h6:first-child { margin-top: 8px !important; }
.article-content img { max-width: 100%; height: auto; border-radius: 6px; margin: 22px 0; display: block; }
.article-content img:first-child,
.article-content p:first-child img:first-child { margin-top: 0 !important; }
.article-content strong { color: #111; font-weight: 600; }
.article-content blockquote {
    background: #F7F8FA; border-left: 3px solid #0052D9; padding: 16px 20px;
    margin: 22px 0; border-radius: 0 8px 8px 0; color: #555; font-size: 15px; line-height: 1.8;
}
.article-content ul, .article-content ol { padding-left: 28px; margin-bottom: 20px; }
.article-content li { margin-bottom: 10px; }
.article-content a { color: #0052D9; text-decoration: none; }
.article-content a:hover { text-decoration: underline; }
.article-content pre {
    background: #1d1d1f; color: #F5F5F7; padding: 18px 22px; border-radius: 8px;
    overflow-x: auto; max-width: 100%; margin: 20px 0; font-size: 14px; line-height: 1.65;
}
.article-content code {
    background: #F2F3F5; padding: 2px 6px; border-radius: 4px;
    font-size: 14px; color: #0052D9;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content table { border-collapse: collapse; width: 100%; font-size: 14px; }
.article-content table th,
.article-content table td { padding: 12px 16px; border-bottom: 1px solid #F2F3F5; text-align: left; word-break: break-word; }
.article-content table th { background: #F7F8FA; font-weight: 600; color: #111; border-bottom: 1px solid #EBEDF0; }
.article-content table tbody tr:last-child td { border-bottom: none; }
.article-content table tbody tr:hover { background: #FAFBFC; }
.table-responsive {
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    width: 100%; max-width: 100%; margin: 22px 0;
    border: 1px solid #EBEDF0; border-radius: 8px;
}
.table-responsive table { margin: 0 !important; border: none !important; border-radius: 0 !important; min-width: max-content; }

/* 面包屑 */
.breadcrumb-bar { padding: 12px 0; font-size: 14px; color: #999; }
.breadcrumb-bar a { color: #666; text-decoration: none; }
.breadcrumb-bar a:hover { color: #1E293B; }
.breadcrumb-bar .separator { margin: 0 8px; color: #ccc; }

/* 移动端 tab */
.mobile-app-tabs { display: none; }
@media (max-width: 768px) {
    .mobile-app-tabs { display: flex; }
    .article-content img:first-child,
    .article-content p:first-child img:first-child { margin-top: 0 !important; }
}

/* 移动端文章内容 */
@media (max-width: 768px) {
    .article-content { font-size: 14px; }
    .article-content h1 { font-size: 26px; }
    .article-content h2 { font-size: 21px; }
    .article-content h3 { font-size: 17px; }
    .article-content h4 { font-size: 15px; }
    .article-content h5 { font-size: 14px; }
    .article-content h6 { font-size: 13px; }
}

/* 帮助页文章容器间距 */
.help-content-wrap { padding-top: 0; }

/* ==========================================
   七、登录/注册页面
   ========================================== */
.reg-wrapper { min-height: calc(100vh - 160px); display: flex; align-items: center; justify-content: center; padding: 40px 16px; }
.reg-card { background: #fff; border-radius: 12px; box-shadow: 0 2px 20px rgba(0,0,0,0.06); width: 100%; max-width: 420px; padding: 40px 36px; }
.reg-card h3 { font-size: 22px; font-weight: 700; color: #1E293B; text-align: center; margin-bottom: 28px; }
.reg-card .form-group { margin-bottom: 18px; }
.reg-card .form-control { height: 44px; border-radius: 8px; border: 1px solid #E2E8F0; padding: 0 14px; font-size: 14px; transition: border-color 0.15s; }
.reg-card .form-control:focus { border-color: #1E293B; box-shadow: 0 0 0 2px rgba(30,41,59,0.1); }
.reg-card .btn-submit { width: 100%; height: 44px; border-radius: 8px; background: #1E293B; color: #fff; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: background 0.15s; }
.reg-card .btn-submit:hover { background: #0F172A; }
.reg-card .reg-links { text-align: center; margin-top: 20px; font-size: 14px; color: #999; }
.reg-card .reg-links a { color: #1E293B; text-decoration: none; font-weight: 500; }
.reg-card .reg-links a:hover { text-decoration: underline; }

/* 登录页面 tab 切换 */
.reg-tabs { display: flex; border-bottom: 1px solid #EBEDF0; margin-bottom: 24px; }
.reg-tabs .tab-item { flex: 1; text-align: center; padding: 12px 0; font-size: 15px; color: #999; cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.15s; }
.reg-tabs .tab-item.active { color: #1E293B; border-bottom-color: #1E293B; font-weight: 600; }

@media (max-width: 768px) {
    .reg-card { padding: 28px 20px; }
}

/* ==========================================
   八、404 页面
   ========================================== */
.notfound-wrap { text-align: center; padding: 80px 20px 100px; }
.notfound-code { font-size: 120px; font-weight: 800; color: #E2E8F0; line-height: 1; margin-bottom: 16px; }
.notfound-title { font-size: 24px; font-weight: 700; color: #1E293B; margin-bottom: 12px; }
.notfound-desc { font-size: 15px; color: #999; margin-bottom: 32px; }
.notfound-wrap .btn-back { display: inline-block; padding: 10px 32px; background: #1E293B; color: #fff; border-radius: 8px; text-decoration: none; font-size: 15px; font-weight: 500; transition: background 0.15s; }
.notfound-wrap .btn-back:hover { background: #0F172A; }

/* ==========================================
   九、响应式辅助修正
   ========================================== */
/* 移动端消除导航头部与搜索框之间的分隔线空白 */
@media (max-width: 767px) {
    .dyui-header-line { height: 0 !important; }
}
/* 帮助页顶部容器间距修正 */
.bann-help { margin-bottom: 0 !important; }
.help-top-container { margin-top: 0 !important; padding-top: 0 !important; }
.help-top-container .detail-box { margin-top: 0 !important; padding-top: 0 !important; }
@media (max-width: 767px) {
    .help-top-container .article-content > img:first-child,
    .help-top-container .article-content > p:first-child > img:first-child { margin-top: 0 !important; }
}
@media (max-width: 768px) {
    .d-xs-none { display: none !important; }
}

/* ===== 移动端侧边栏 - 用户信息面板 ===== */
.mobile-member-info {
    padding: 16px 16px 14px;
    border-bottom: 1px solid #EBEDF0;
    background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
}
.mobile-member-info .member-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.mobile-member-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    overflow: hidden;
    background: #E2E8F0;
    flex-shrink: 0;
}
.mobile-member-avatar img {
    width: 100%; height: 100%; object-fit: cover;
}
.mobile-member-name {
    font-size: 15px;
    font-weight: 600;
    color: #1E293B;
}
.mobile-member-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.mobile-member-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 6px;
    border-radius: 6px;
    background: #fff;
    color: #475569;
    font-size: 13px;
    text-decoration: none;
    border: 1px solid #E2E8F0;
}
.mobile-member-links a:hover {
    background: #EEF2FF;
    color: #4F46E5;
    border-color: #C7D2FE;
}
.mobile-member-links a.link-logout {
    color: #EF4444;
    border-color: #FECACA;
}
.mobile-member-links a.link-logout:hover {
    background: #FEF2F2;
    color: #DC2626;
}