/* GeneratePress-compatible reading surfaces. Brand blue, white, system fonts. */
.zkb {
    --zkb-blue: #075a9f;
    --zkb-ink: #172b3d;
    --zkb-muted: #516270;
    --zkb-line: #dce3e8;
    --zkb-soft: #f5f7f9;
    color: var(--zkb-ink);
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    box-sizing: border-box;
    color-scheme: light;
}
.zkb *, .zkb *::before, .zkb *::after { box-sizing: inherit; }
.zkb [hidden] { display: none !important; }
.zkb a { color: var(--zkb-blue); text-decoration: none; text-underline-offset: 3px; }
.zkb a:hover { color: #064474; text-decoration: underline; }
.zkb a:focus-visible, .zkb button:focus-visible, .zkb input:focus-visible, .zkb summary:focus-visible, .zkb [tabindex]:focus-visible { outline: 3px solid var(--zkb-blue); outline-offset: 3px; }
.zkb button, .zkb input { font: inherit; }
.zkb button { color: #fff; background: var(--zkb-blue); border: 1px solid var(--zkb-blue); border-radius: 6px; padding: 9px 20px; min-height: 44px; cursor: pointer; line-height: 1.5; white-space: nowrap; }
.zkb button:hover { color: #fff; background: #064474; border-color: #064474; }
.zkb button:disabled { color: #657582; background: #eef1f4; border-color: #d5dde4; cursor: default; }
.zkb h1, .zkb h2, .zkb h3 { color: var(--zkb-ink); font-family: inherit; font-weight: 650; letter-spacing: 0; }
.zkb-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.zkb-portal { max-width: 1200px; margin: 0 auto; padding: 24px 24px 32px; }
.zkb-portal-header { padding-bottom: 28px; border-bottom: 1px solid var(--zkb-line); }
.zkb-portal-header h1 { font-size: clamp(25px, 2.6vw, 32px); line-height: 1.45; margin: 0 0 8px; }
.zkb-portal-header > p { margin: 0 0 22px; color: var(--zkb-muted); }
.zkb-search { max-width: 720px; margin: 0; }
.zkb-search label { display: block; font-size: 14px; font-weight: 650; margin: 0 0 6px; }
.zkb-search-controls { display: flex; gap: 10px; align-items: stretch; }
.zkb-search input[type="search"] { min-width: 0; width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #8999a7; border-radius: 6px; background: #fff; color: var(--zkb-ink); box-shadow: none; }
.zkb-search input::placeholder { color: #62727e; opacity: 1; }
.zkb .zkb-search-help { color: var(--zkb-muted); font-size: 13px; margin: 7px 0 0; line-height: 1.6; }
.zkb-portal-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 36px; align-items: start; padding-top: 26px; }
.zkb-sidebar { position: sticky; top: 116px; }
.zkb-category-disclosure { border: 0; margin: 0; }
.zkb-category-disclosure summary { font-weight: 650; margin: 0 0 9px; padding: 0 10px; cursor: pointer; list-style-position: inside; }
.zkb-categories { display: flex; flex-direction: column; gap: 4px; }
.zkb-categories a { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 44px; padding: 9px 11px; border: 1px solid transparent; border-radius: 6px; color: #354b5c; font-size: 15px; }
.zkb-categories a span:last-child { color: #566977; font-size: 13px; font-variant-numeric: tabular-nums; }
.zkb-categories a:hover { background: var(--zkb-soft); text-decoration: none; }
.zkb-categories a[aria-current="true"] { color: var(--zkb-blue); background: #eaf2f9; border-color: #b6cfe2; font-weight: 650; }
.zkb-categories a[aria-current="true"] span:last-child { color: var(--zkb-blue); }
.zkb-results { min-width: 0; }
.zkb-results-heading { display: flex; gap: 16px; align-items: baseline; justify-content: space-between; }
.zkb-results-heading h2 { font-size: 21px; line-height: 1.5; margin: 0; scroll-margin-top: 130px; }
.zkb-results-heading > a { font-size: 14px; white-space: nowrap; text-decoration: underline; }
.zkb .zkb-result-count { color: var(--zkb-muted); font-size: 13px; margin: 7px 0 0; }
.zkb-row { display: flex; align-items: flex-start; gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--zkb-line); margin: 0; }
.zkb-row-image { display: block; width: 144px; flex: 0 0 144px; align-self: flex-start; border-radius: 6px; overflow: hidden; background: var(--zkb-soft); }
.zkb-row-image img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; display: block; }
.zkb-row-content { min-width: 0; flex: 1; }
.zkb-row h3 { margin: 0 0 7px; font-size: 18px; line-height: 1.6; }
.zkb-row h3 a { color: var(--zkb-ink); }
.zkb-row h3 a:hover { color: var(--zkb-blue); }
.zkb-row p { font-size: 14px; line-height: 1.75; margin: 0 0 9px; color: var(--zkb-muted); overflow-wrap: anywhere; }
.zkb-row-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--zkb-muted); font-size: 12px; line-height: 1.7; }
.zkb-row-meta a { text-decoration: underline; }
.zkb-empty { background: var(--zkb-soft); border-radius: 6px; margin: 22px 0; padding: 25px 22px; }
.zkb-empty h3 { font-size: 18px; margin: 0 0 8px; }
.zkb-empty p { color: var(--zkb-muted); margin: 0 0 12px; }
.zkb-pagination { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-top: 24px; font-size: 14px; }
.zkb-pagination button { background: #fff; color: var(--zkb-blue); }
.zkb-topics { margin: 38px 0 0 256px; padding-top: 24px; border-top: 1px solid var(--zkb-line); }
.zkb-topics h2 { font-size: 19px; margin: 0 0 10px; }
.zkb-topics ul { margin: 0; padding-left: 20px; }
.zkb-topics li { margin-bottom: 5px; font-size: 14px; }
.zkb-service-links { display: flex; gap: 10px 22px; flex-wrap: wrap; background: var(--zkb-soft); padding: 17px 20px; border-radius: 6px; margin: 27px 0 0; font-size: 14px; }
.zkb-service-links > span { font-weight: 650; }
body.single-xiaozhi_kb .entry-header { display: none !important; }
body.single-xiaozhi_kb .entry-content { margin-top: 0; }
.zkb-article { max-width: 828px; padding: 24px; margin: 0 auto; }
.zkb-article-inner { max-width: 780px; margin: 0 auto; }
.zkb-breadcrumbs { display: flex; flex-wrap: wrap; gap: 5px 9px; align-items: center; font-size: 13px; color: var(--zkb-muted); margin-bottom: 20px; }
.zkb-breadcrumbs a { text-decoration: underline; }
.zkb-article-header h1 { font-size: clamp(25px, 3vw, 32px); line-height: 1.5; margin: 0 0 15px; }
.zkb-article-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; color: var(--zkb-muted); font-size: 13px; border-bottom: 1px solid var(--zkb-line); margin-bottom: 25px; padding-bottom: 19px; }
.zkb-toc { background: var(--zkb-soft); border: 1px solid var(--zkb-line); border-radius: 6px; padding: 15px 20px; margin: 0 0 28px; font-size: 14px; }
.zkb-toc summary { font-weight: 650; cursor: pointer; }
.zkb-toc ol { margin: 10px 0 0; padding-left: 22px; }
.zkb-toc li { margin: 4px 0; }
.zkb-article-body { font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
.zkb-article-body p { margin: 0 0 18px; }
.zkb-article-body h2 { font-size: 23px; line-height: 1.55; margin: 36px 0 14px; }
.zkb-article-body h3 { font-size: 19px; line-height: 1.6; margin: 28px 0 10px; }
.zkb-article-body h4 { font-size: 17px; line-height: 1.6; }
.zkb-article-body [id], .zkb-toc { scroll-margin-top: 132px; }
.zkb-article-body a { text-decoration: underline; }
.zkb-article-body ul, .zkb-article-body ol { padding-left: 24px; margin: 0 0 20px; }
.zkb-article-body li { margin: 6px 0; }
.zkb-article-body img, .zkb-article-body video { display: block; max-width: 100%; height: auto; border-radius: 6px; }
.zkb-article-body figure { margin: 24px 0; max-width: 100%; }
.zkb-article-body figcaption, .zkb-article-body .wp-caption-text { margin: 8px 0 0; color: var(--zkb-muted); font-size: 13px; line-height: 1.65; }
.zkb-article-body .wp-caption { max-width: 100%; }
.zkb-article-body .zkb-product-figure img { max-height: 320px; width: 100%; object-fit: contain; }
/* Old zkb-seo presentation is replaced without changing its technical content. */
.zkb-article-body .zkb-seo, .zkb-article-body .zkb-wrap, .zkb-article-body .zkb-grid, .zkb-article-body .zkb-main { display: block; width: 100%; max-width: 100%; margin: 0; padding: 0; }
.zkb-article-body .zkb-seo .zkb-section { margin: 0; padding: 0; border: 0; }
.zkb-article-body .zkb-seo .zkb-toc { margin: 24px 0; }
.zkb-article-body .zkb-seo .zkb-toc ol { columns: 1; }
.zkb-article-body .zkb-seo .zkb-toc h2 { font-size: 18px; margin: 0 0 10px; }
.zkb-article-body .zkb-seo .zkb-summary, .zkb-article-body .zkb-seo .zkb-note { margin: 22px 0; padding: 15px 18px; background: var(--zkb-soft); border-left: 3px solid var(--zkb-blue); border-radius: 4px; }
.zkb-article-body .zkb-seo .zkb-summary p:last-child { margin-bottom: 0; }
.zkb-article-body .zkb-seo .zkb-cards { display: block; margin: 20px 0; }
.zkb-article-body .zkb-seo .zkb-card { margin: 15px 0; padding: 0; border: 0; }
.zkb-article-body .zkb-seo .zkb-card b { display: block; margin-bottom: 5px; }
.zkb-article-body .zkb-seo .zkb-side { position: static; display: block; border-top: 1px solid var(--zkb-line); padding-top: 22px; margin-top: 28px; }
.zkb-article-body .zkb-seo .zkb-sidebox { padding: 0; margin: 0 0 20px; box-shadow: none; border: 0; }
.zkb-article-body .zkb-seo .zkb-related { display: block; margin: 8px 0; padding: 0; border: 0; }
.zkb-article-body .zkb-seo .zkb-related small { display: block; color: var(--zkb-muted); }
.zkb-article-body .zkb-seo .zkb-service { display: flex; flex-wrap: wrap; gap: 5px 14px; }
.zkb-article-body .zkb-seo .zkb-sources { margin: 24px 0; font-size: 14px; }
.zkb-article-body .zkb-table-scroll { max-width: 100%; overflow-x: auto; margin: 22px 0; border: 1px solid var(--zkb-line); border-radius: 4px; }
.zkb-article-body .wp-block-table { overflow-x: auto; }
.zkb-article-body table { border-collapse: collapse; width: 100%; margin: 0; font-size: 14px; }
.zkb-article-body th, .zkb-article-body td { min-width: 110px; text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--zkb-line); }
.zkb-article-body th { background: var(--zkb-soft); font-weight: 650; }
.zkb-article-body pre { max-width: 100%; overflow-x: auto; font-size: 14px; }
.zkb-article-body blockquote { margin: 24px 0; padding: 12px 20px; border-left: 3px solid var(--zkb-blue); background: var(--zkb-soft); }
.zkb-related, .zkb-related-entities { margin: 32px 0 0; border-top: 1px solid var(--zkb-line); padding-top: 23px; }
.zkb-related h2, .zkb-related-entities h2 { font-size: 20px; margin: 0 0 12px; }
.zkb-related ul, .zkb-related-entities ul { padding-left: 20px; margin: 0; }
.zkb-related li, .zkb-related-entities li { margin: 7px 0; }
.zkb-article-cta { background: var(--zkb-soft); border: 1px solid var(--zkb-line); border-radius: 6px; padding: 20px 22px; margin-top: 32px; }
.zkb-article-cta h2 { font-size: 19px; margin: 0 0 8px; }
.zkb-article-cta p { color: var(--zkb-muted); margin: 0 0 13px; font-size: 14px; }
.zkb-article-cta a { display: inline-block; padding: 8px 17px; min-height: 44px; color: #fff; background: var(--zkb-blue); border: 1px solid var(--zkb-blue); border-radius: 6px; font-size: 14px; }
.zkb-article-cta a:hover { background: #064474; color: #fff; }
@media (max-width: 767px) {
    /* Existing header phone, article contact links and footer chat remain available.
       Suppress duplicate floating launchers only in the narrow knowledge reading view. */
    body:is(.page-id-30, .single-xiaozhi_kb) #aff-im-root > .embed-icon,
    body:is(.page-id-30, .single-xiaozhi_kb) .zlht-float { display: none !important; }
    .zkb-portal, .zkb-article { padding: 20px 16px 28px; }
    .zkb-portal-header { padding-bottom: 21px; }
    .zkb-portal-layout { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-top: 20px; }
    .zkb-sidebar { position: static; }
    .zkb-category-disclosure { background: var(--zkb-soft); border: 1px solid var(--zkb-line); border-radius: 6px; padding: 10px; }
    .zkb-category-disclosure summary { min-height: 28px; margin: 0; padding: 0 4px; }
    .zkb-category-disclosure[open] summary { margin-bottom: 8px; }
    .zkb-categories { gap: 2px; }
    .zkb-search-controls { gap: 8px; }
    .zkb-search button { padding-right: 15px; padding-left: 15px; }
    .zkb-row { gap: 13px; padding: 20px 0; }
    .zkb-row-image { width: 88px; flex-basis: 88px; margin-top: 4px; }
    .zkb-row h3 { font-size: 17px; }
    .zkb-row-meta { gap: 5px 12px; }
    .zkb-topics { margin: 32px 0 0; }
    .zkb-service-links { gap: 9px 18px; padding: 15px; }
    .zkb-service-links > span { flex-basis: 100%; }
    .zkb-article-body h2 { font-size: 21px; }
    .zkb-pagination button { padding: 8px 13px; }
}