/* ==========================================================================
   帮助中心 · knowledgebase.css
   复用 xc-pages.css 的 .xc-page / .xc-ph / .xc-panel / .xc-tag / .xc-empty，
   本文件只补本页特有排布：文章列表行、侧栏搜索与分类、分页、文章详情正文。
   语言：直角、1px #eff2f7 描边、主色 #0064ff、次级文字 #8a94a6、hover 蓝雾。
   ========================================================================== */

/* 本页以 .xc-ph 作为页头，收起主题通用标题条（样式文件仅帮助中心页加载） */
.page-title-box, .page-title-box.d-flex { display: none !important; }

.kb-page { padding-bottom: 6px; }

/* ---------- 页头 ---------- */
.kb-ph { align-items: center; margin-bottom: 18px; }
.kb-ph .xc-ph__title { font-size: 22px; letter-spacing: -.01em; }
.kb-ph .xc-ph__desc { max-width: 620px; }
.kb-ph__action {
    display: inline-flex; align-items: center; gap: 6px;
    height: 36px; padding: 0 16px;
    font-size: 13px; line-height: 1; color: #0064ff;
    background: #fff; border: 1px solid #e6eaf2; text-decoration: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.kb-ph__action:hover { color: #fff; background: #0064ff; border-color: #0064ff; text-decoration: none; }
.kb-ph__action:focus { outline: 2px solid rgba(0, 100, 255, .3); outline-offset: 2px; }
.kb-ph__action .bx { font-size: 15px; }

/* ---------- 两栏骨架 ---------- */
.kb-grid { align-items: flex-start; }
.kb-main, .kb-side { min-width: 0; }

/* ---------- 文章列表面板 ---------- */
.kb-page .kb-panel { padding: 0 !important; border: 1px solid #eff2f7; border-radius: 0; box-shadow: none; }
.kb-page .kb-panel:hover { box-shadow: 0 4px 20px 2px rgba(6, 75, 179, .08); }
.kb-page .kb-panel__hd { padding: 15px 20px; }
.kb-panel__meta { font-size: 12px; color: #8a94a6; white-space: nowrap; }
.kb-list-row { margin: 0; }
.kb-list-col { flex: 0 0 100%; max-width: 100%; padding: 0; }
.kb-list-mt { margin-top: 0 !important; }

/* 文章行：标题在左、日期在右、箭头收尾 */
.kb-articles { margin: 0; padding: 0; border-left: 0; list-style: none; }
.kb-articles .kb-item {
    display: block; position: relative;
    margin: 0; padding: 0;
    text-align: left; border-bottom: 1px solid #f6f7fb;
    transition: background-color .15s ease;
}
.kb-articles .kb-item:last-child { border-bottom: 0; }
.kb-articles .kb-item:hover { background: #f8faff; }
.kb-articles .event-timeline-dot { display: none; }
.kb-articles .kb-item__inner { display: flex; align-items: center; gap: 16px; padding: 14px 20px; }
.kb-item__main { order: 1; min-width: 0; }
.kb-item__side { order: 2; flex: 0 0 auto; margin: 0 !important; }
.kb-item__go { order: 3; flex: 0 0 auto; font-size: 16px; color: #dfe4ee; transition: color .18s ease, transform .18s ease; }
.kb-item:hover .kb-item__go { color: #0064ff; transform: translateX(2px); }
.kb-item__date {
    margin: 0; font-size: 12px; font-weight: 400; line-height: 1.5;
    color: #8a94a6; white-space: nowrap; font-variant-numeric: tabular-nums;
}
.kb-item__date .bx { display: none; }
.kb-item__title {
    display: block; font-size: 14px; line-height: 1.6; color: #1d2129;
    text-decoration: none; word-break: break-word;
    transition: color .18s ease;
}
.kb-item:hover .kb-item__title { color: #0064ff; }
.kb-item__title:focus { outline: 2px solid rgba(0, 100, 255, .3); outline-offset: 2px; }

/* 空态 */
.kb-empty { padding: 60px 20px; }
.kb-empty__btn { display: inline-flex; align-items: center; gap: 6px; }
.kb-empty__btn .bx { margin: 0; font-size: 14px; color: currentColor; }

/* ---------- 面板页脚 / 分页 ---------- */
.kb-foot { padding: 12px 20px; background: #fcfdff; border-top: 1px solid #f3f5fa; }
.kb-page .kb-foot .table-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.kb-page .kb-foot .table-pageinfo { font-size: 12px; color: #8a94a6; }
.kb-page .kb-foot .form-inline { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; color: #8a94a6; }
.kb-page .kb-foot .form-control { height: 30px; padding: 0 26px 0 8px; font-size: 12px; color: #4b5563; }
.kb-page .kb-foot .form-inline select.form-control {
    flex: 0 0 auto; width: 62px !important; min-width: 62px;
    height: 30px !important; padding: 0 22px 0 8px !important;
    font-size: 12px; color: #4b5563; background-color: #fff;
    border: 1px solid #e6eaf2; border-radius: 0; box-shadow: none;
}
.kb-page .kb-foot .pagination { display: flex; align-items: center; gap: 4px; margin: 0; }
.kb-page .kb-foot .page-link {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 30px; height: 30px; padding: 0 8px;
    font-size: 12px; color: #4b5563; background: #fff;
    border: 1px solid #eff2f7; border-radius: 0;
}
.kb-page .kb-foot .page-link:hover { color: #0064ff; border-color: #e6eaf2; background: #f8faff; }
.kb-page .kb-foot .page-item.active .page-link { color: #fff; background: #0064ff; border-color: #0064ff; }
.kb-page .kb-foot .page-item.disabled .page-link { color: #dfe4ee; background: #fbfcfe; border-color: #eff2f7; }
.kb-page .kb-foot .page-item + .page-item .page-link { margin-left: 0; }

/* 每页条数下拉（bootstrap-select 会把它替换成按钮，需单独对齐） */
.kb-page .kb-foot .bootstrap-select { display: inline-block; width: auto !important; min-width: 62px; vertical-align: middle; }
.kb-page .kb-foot .bootstrap-select.form-control { height: auto; padding: 0; background: transparent; border: 0; box-shadow: none; }
.kb-page .kb-foot .bootstrap-select > .dropdown-toggle {
    height: 30px; padding: 0 26px 0 8px;
    font-size: 12px; color: #4b5563; background: #fff;
    border: 1px solid #e6eaf2; border-radius: 0; box-shadow: none;
}
.kb-page .kb-foot .bootstrap-select > .dropdown-toggle:hover { color: #0064ff; border-color: #e6eaf2; background: #f8faff; }
.kb-page .kb-foot .bootstrap-select > .dropdown-toggle:focus { outline: 0; border-color: #0064ff; box-shadow: 0 0 0 3px rgba(0, 100, 255, .08); }
.kb-page .kb-foot .bootstrap-select .dropdown-menu {
    min-width: 100%; margin: 4px 0 0; padding: 4px 0;
    font-size: 12px; background: #fff; border: 1px solid #e6eaf2; border-radius: 0;
    box-shadow: 0 4px 20px 2px rgba(6, 75, 179, .08);
}
.kb-page .kb-foot .bootstrap-select .dropdown-item { padding: 5px 10px; font-size: 12px; color: #4b5563; }
.kb-page .kb-foot .bootstrap-select .dropdown-item:hover,
.kb-page .kb-foot .bootstrap-select .dropdown-item.active { color: #0064ff; background: #f8faff; }

/* ---------- 侧栏 ---------- */
.kb-page .kb-side__card { margin-bottom: 0; border: 1px solid #eff2f7; border-radius: 0; }
.kb-page .kb-side__card:hover { box-shadow: 0 4px 20px 2px rgba(6, 75, 179, .08); }
.kb-side__body { padding: 18px !important; }
.kb-side__label {
    display: flex; align-items: center; gap: 6px;
    margin: 0 0 10px; font-size: 12px; font-weight: 600; letter-spacing: .04em;
    color: #4b5563;
}
.kb-side__label .bx { font-size: 14px; color: #8a94a6; }
.kb-side__hr { margin: 18px 0 !important; border-top: 1px solid #eff2f7; }

/* 搜索 */
.kb-search__field { width: 100%; }
.kb-search__row { margin: 0; }
.kb-search__row > [class*="col-"] { padding: 0; }
.kb-search .form-control {
    height: 40px; padding: 0 12px 0 38px;
    font-size: 13px; color: #1d2129; background-color: #fff;
    border: 1px solid #e6eaf2; border-radius: 0; box-shadow: none;
}
.kb-search .form-control:focus { border-color: #0064ff; box-shadow: 0 0 0 3px rgba(0, 100, 255, .08); }
.kb-search .form-control::placeholder { color: #8a94a6; }
.kb-search .search-icon { left: 13px; top: 0; line-height: 40px; font-size: 16px; color: #8a94a6; pointer-events: none; }
.kb-search__hint { margin: 8px 0 0; font-size: 11px; color: #8a94a6; }

/* 分类 */
.kb-cates__list { margin: 0; padding: 0; }
.kb-cates__item { list-style: none; }
.kb-cates__link {
    display: flex; align-items: center; gap: 8px;
    margin: 0 -8px; padding: 8px;
    font-size: 13px; line-height: 1.5; color: #4b5563 !important;
    border: 1px solid transparent; text-decoration: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.kb-cates__link:hover { color: #0064ff !important; background: #f8faff; border-color: #e6eaf2; text-decoration: none; }
.kb-cates__link.is-active { color: #0064ff !important; background: #f5f9ff; border-color: #e6eaf2; }
.kb-cates__link:focus { outline: 2px solid rgba(0, 100, 255, .3); outline-offset: -2px; }
.kb-cates__link .mdi { display: none; }
.kb-cates__icon { flex: 0 0 auto; font-size: 15px; color: #8a94a6; }
.kb-cates__link:hover .kb-cates__icon, .kb-cates__link.is-active .kb-cates__icon { color: #0064ff; }
.kb-cates__name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kb-cates__count {
    flex: 0 0 auto; float: none !important; margin: 0 0 0 auto !important;
    min-width: 22px; height: 20px; padding: 0 6px;
    font-size: 11px; font-weight: 400; line-height: 18px; text-align: center;
    color: #8a94a6; background: #f7f8fb; border: 1px solid #eef1f6; border-radius: 0;
}
.kb-cates__link:hover .kb-cates__count,
.kb-cates__link.is-active .kb-cates__count { color: #0064ff; background: #fff; border-color: #e6eaf2; }
.kb-cates__empty { padding: 8px; font-size: 12px; color: #8a94a6; }

/* 侧栏提示 */
.kb-tip { display: flex; gap: 10px; margin-top: 16px; padding: 16px 18px; background: #fbfcfe; border: 1px solid #eff2f7; }
.kb-tip > .bx { flex: 0 0 auto; margin-top: 2px; font-size: 16px; color: #0064ff; }
.kb-tip__title { font-size: 13px; font-weight: 600; color: #1d2129; }
.kb-tip__text { margin-top: 4px; font-size: 12px; line-height: 1.7; color: #8a94a6; }
.kb-tip__link { display: inline-flex; align-items: center; gap: 3px; margin-top: 10px; font-size: 12px; color: #0064ff; text-decoration: none; }
.kb-tip__link:hover { color: #0052d9; text-decoration: none; }

/* ---------- 文章详情页 ---------- */
.kbv-page { padding-bottom: 6px; }
.kbv-ph { align-items: center; margin-bottom: 18px; }
.kbv-ph .xc-ph__title { font-size: 22px; letter-spacing: -.01em; }
.kbv-ph .xc-ph__desc { max-width: 620px; }
.kbv-back {
    display: inline-flex; align-items: center; gap: 6px;
    height: 36px; padding: 0 16px;
    font-size: 13px; line-height: 1; color: #0064ff;
    background: #fff; border: 1px solid #e6eaf2; text-decoration: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.kbv-back:hover { color: #fff; background: #0064ff; border-color: #0064ff; text-decoration: none; }
.kbv-back:focus { outline: 2px solid rgba(0, 100, 255, .3); outline-offset: 2px; }
.kbv-back .bx { font-size: 15px; }

.kbv-page .kbv-card { margin-bottom: 0; border: 1px solid #eff2f7; border-radius: 0; }
.kbv-page .kbv-card:hover { box-shadow: 0 4px 20px 2px rgba(6, 75, 179, .08); }
.kbv-page .kbv-body { padding: 28px 30px 32px; }
.kbv-page .kbv-inner { padding-top: 0 !important; }
.kbv-page .kbv-grid { margin: 0; }
.kbv-page .kbv-col { flex: 0 0 100%; max-width: 860px; margin: 0 auto; padding: 0; }

/* 文章头：分类标签 / 标题 / 更新时间 */
.kbv-head { padding-bottom: 4px; text-align: left !important; }
.kbv-cate { margin-bottom: 12px !important; }
.kbv-cate .badge {
    display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 8px;
    font-size: 12px; font-weight: 400; line-height: 1; color: #0052d9 !important;
    background: rgba(0, 100, 255, .06) !important; border: 1px solid rgba(0, 100, 255, .25); border-radius: 0;
}
.kbv-cate .badge .bx { margin: 0 4px 0 0; font-size: 13px; color: #0064ff !important; }
.kbv-title { margin: 0 0 10px; font-size: 21px; font-weight: 600; line-height: 1.5; color: #1d2129; word-break: break-word; }
.kbv-date { margin: 0 !important; font-size: 12px; color: #8a94a6; }
.kbv-date .mdi { font-size: 13px; color: #8a94a6; }
.kbv-meta { grid-template-columns: minmax(0, 220px); margin-bottom: 18px !important; }
.kbv-meta .kbv-date .xc-kv__k { margin-bottom: 5px; font-size: 12px; color: #8a94a6; }
.kbv-meta .kbv-date .xc-kv__v { font-size: 13px; color: #1d2129; }
.kbv-hr { margin: 18px 0 0; border-top: 1px solid #eff2f7; }

/* 正文 */
.kbv-bodywrap { margin-top: 0 !important; }
.kbv-content { margin-top: 18px; font-size: 14px; line-height: 1.9; color: #4b5563 !important; }
.kbv-content > p { margin: 0 0 14px; }
.kbv-content > p:empty { display: none; }
.kbv-content a { color: #0064ff; text-decoration: none; }
.kbv-content a:hover { text-decoration: underline; }
.kbv-content img { max-width: 100%; height: auto; }
.kbv-content h1, .kbv-content h2, .kbv-content h3, .kbv-content h4, .kbv-content h5 {
    margin: 22px 0 12px; font-size: 15px; font-weight: 600; line-height: 1.6; color: #1d2129;
}
.kbv-content ul, .kbv-content ol { margin: 0 0 14px; padding-left: 20px; }
.kbv-content li { margin-bottom: 6px; }
.kbv-content blockquote { margin: 0 0 14px; padding: 10px 14px; background: #fbfcfe; border-left: 2px solid #0064ff; color: #4b5563; }
.kbv-content code { padding: 1px 5px; font-size: 12px; color: #0052d9; background: rgba(0, 100, 255, .06); }
.kbv-content .newscontent {
    margin: 0; padding: 0; font-family: inherit; font-size: inherit; line-height: inherit;
    color: inherit; white-space: pre-wrap; word-break: break-word; background: transparent; border: 0;
}
.kbv-content table { width: 100%; margin: 0 0 14px; border-collapse: collapse; font-size: 13px; }
.kbv-content table th, .kbv-content table td { padding: 10px 12px; border: 1px solid #eff2f7; text-align: left; }
.kbv-content table th { background: #fbfcfe; font-weight: 500; color: #4b5563; }

/* 标签 */
.kbv-tags { padding-top: 18px; border-top: 1px solid #eff2f7; }
.kbv-tags__title { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 !important; font-size: 13px; font-weight: 600; color: #1d2129; }
.kbv-tags__badge {
    display: inline-flex; align-items: center; height: 22px; margin-left: 4px; padding: 0 8px;
    font-size: 12px; font-weight: 400; line-height: 1; color: #4b5563 !important;
    background: #fafbfd !important; border: 1px solid #e6eaf2; border-radius: 0;
}

/* 上一篇 / 下一篇 */
.kbv-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 18px; border-top: 1px solid #eff2f7; }
.kbv-nav .btn {
    display: inline-flex; align-items: center; gap: 6px;
    max-width: 48%; height: 40px; margin: 0; padding: 0 14px;
    font-size: 13px; line-height: 1; color: #4b5563;
    background: #fff; border: 1px solid #eff2f7; border-radius: 0; box-shadow: none;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.kbv-nav .btn:hover { color: #0064ff; background: #f8faff; border-color: #e6eaf2; }
.kbv-nav .btn .bx { flex: 0 0 auto; }

/* 文章缺失时的空态 */
.kbv-empty { padding: 70px 20px; }
.kbv-empty__btn { display: inline-flex; align-items: center; gap: 6px; }
.kbv-empty__btn .bx { margin: 0; font-size: 14px; color: currentColor; }

/* ---------- 窄屏 ---------- */
@media (max-width: 991.98px) {
    .kb-grid { display: flex; flex-direction: column; }
    .kb-main, .kb-side { flex: 0 0 auto; width: 100%; max-width: 100%; }
    .kb-side { order: -1; }
    .kb-side__card { margin-bottom: 16px; }
    .kb-page .kb-side__body { padding: 16px !important; }
    .kb-cates__list { display: flex; flex-wrap: wrap; gap: 4px 8px; }
    .kb-cates__item { width: calc(50% - 4px); }
    .kb-cates__link { margin: 0; }
    .kb-cates__name { white-space: normal; }
    .kb-tip { display: none; }
}

@media (max-width: 767.98px) {
    .kb-ph { margin-bottom: 14px; }
    .kb-ph .xc-ph__title { font-size: 18px; }
    .kb-ph > .xc-ph__actions { width: 100%; }
    .kb-ph__action { flex: 1 1 auto; width: 100%; justify-content: center; }
    .kb-page .kb-panel__hd { padding: 12px 14px; }
    .kb-item__inner { position: relative; flex-wrap: wrap; gap: 0; padding: 12px 34px 12px 14px; }
    .kb-item__main { flex: 1 1 100%; order: 1; margin: 0; }
    .kb-item__side { order: 2; margin: 4px 0 0 !important; }
    .kb-item__date { display: block; font-size: 11px; }
    .kb-item__go { position: absolute; right: 14px; top: 50%; margin-top: -8px; }
    .kb-item__title { font-size: 13px; }
    .kb-foot { padding: 12px 14px; }
    .kb-page .kb-foot .table-footer { flex-direction: column; align-items: flex-start; }
    .kb-empty { padding: 46px 16px; }
    .kb-cates__item { width: 100%; }
    .kbv-page .kbv-body { padding: 20px 16px 24px; }
    .kbv-title { font-size: 18px; }
    .kbv-nav { flex-direction: column; }
    .kbv-nav .btn { max-width: 100%; width: 100%; justify-content: center; white-space: normal; text-align: left; height: auto; min-height: 40px; padding: 8px 14px; }
}