/* Knowledge Center - design follows the main site (brand blue #1fa5ff, indigo #4f46e5, navy #0b1e33, Arial) but with room to breathe.
   Everything is namespaced .kb-* and written with logical properties, so a left-to-right language needs no extra rules. */
.kb-app { --kb-blue: #1fa5ff; --kb-blue-d: #0b73b8; --kb-indigo: #4f46e5; --kb-navy: #0b1e33; --kb-ink: #111827; --kb-text: #374151; --kb-muted: #6b7280; --kb-line: #e3e9f2; --kb-soft: #f5f8fc; --kb-accent: #1fa5ff; --kb-radius: 16px; font-family: Arial, Helvetica, sans-serif; color: var(--kb-text); line-height: 1.7; }
.kb-app *, .kb-app *::before, .kb-app *::after { box-sizing: border-box; }
.kb-app a { color: var(--kb-blue-d); }
.kb-app kbd { font-family: inherit; font-size: 11px; font-weight: bold; padding: 1px 7px; border-radius: 6px; border: 1px solid rgba(255,255,255,.45); background: rgba(255,255,255,.14); color: inherit; }
.kb-internal { background: #fff6e0; color: #92400e; text-align: center; font-size: 13px; padding: 7px 12px; border-bottom: 1px solid #f2c26b; }
.kb-muted { color: var(--kb-muted); }
.kb-page { padding: 8px 0 56px; }
.kb-app .bodyDiv { padding-inline: 16px; }

/* ---------------- buttons, pills, badges ---------------- */
.kb-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 999px; border: 1.5px solid #cfd8e6; background: #fff; color: var(--kb-ink) !important; font-weight: bold; font-size: 14px; text-decoration: none !important; cursor: pointer; font-family: inherit; transition: .18s ease; }
.kb-btn:hover { border-color: var(--kb-blue); color: var(--kb-blue-d) !important; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(11,115,184,.12); }
.kb-btn-primary { background: linear-gradient(135deg, var(--kb-accent), var(--kb-indigo)); border-color: transparent; color: #fff !important; box-shadow: 0 10px 24px rgba(31,165,255,.28); }
.kb-btn-primary:hover { color: #fff !important; border-color: transparent; box-shadow: 0 14px 30px rgba(79,70,229,.32); }
.kb-pill { display: inline-block; font-size: 12px; font-weight: bold; padding: 2px 11px; border-radius: 999px; background: #eef2f7; color: #475467; }
.kb-pill-beginner { background: #e8f8ee; color: #067647; }
.kb-pill-intermediate { background: #fff4de; color: #b45309; }
.kb-pill-advanced { background: #fdeeed; color: #b42318; }
.kb-badge { display: inline-block; font-size: 12px; font-weight: bold; padding: 3px 12px; border-radius: 999px; background: #eef7ff; color: #1e73be; border: 1px solid #d7ecff; }
.kb-badge-soon { background: #f3f4f6; color: #6b7280; border-color: #e5e7eb; }

/* ---------------- hero (home) ---------------- */
.kb-app .bodyDiv.kb-hero-wrap { padding-inline: 0; margin-top: 0; }
.kb-hero { position: relative; overflow: hidden; background: radial-gradient(1200px 400px at 85% -10%, rgba(79,70,229,.55), transparent 60%), radial-gradient(900px 380px at 5% 110%, rgba(31,165,255,.55), transparent 60%), linear-gradient(135deg, #0b1e33 0%, #0b3b66 100%); color: #fff; padding: 54px 18px 64px; text-align: center; }
.kb-hero::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px); background-size: 42px 42px; mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%); }
.kb-hero-inner { position: relative; max-width: 780px; margin: 0 auto; }
.kb-hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: bold; letter-spacing: .6px; padding: 6px 16px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); }
.kb-hero h1 { margin: 18px 0 8px; font-size: 42px; line-height: 1.15; letter-spacing: -.5px; color: #fff; }
.kb-hero p { margin: 0 auto 26px; max-width: 560px; font-size: 17px; color: rgba(255,255,255,.86); }
.kb-hero-pop { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; font-size: 13px; color: rgba(255,255,255,.75); }
.kb-hero-pop a { color: #fff; text-decoration: none; padding: 4px 13px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); transition: .15s; }
.kb-hero-pop a:hover { background: rgba(255,255,255,.26); }
.kb-hero-hint { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,.62); }

/* ---------------- search box ---------------- */
.kb-searchbox { position: relative; display: flex; align-items: center; gap: 10px; background: #fff; border-radius: 18px; padding: 8px 10px 8px 8px; box-shadow: 0 22px 50px rgba(2,12,27,.35); text-align: start; }
.kb-searchbox > i { font-size: 24px; color: #8aa0b8; padding-inline: 12px 0; }
.kb-searchbox input[type=search] { flex: 1; min-width: 0; border: 0; outline: 0; font-size: 18px; padding: 12px 6px; background: transparent; color: var(--kb-ink); font-family: inherit; }
.kb-searchbox button[type=submit] { flex: none; border: 0; cursor: pointer; font-weight: bold; font-size: 15px; font-family: inherit; color: #fff; padding: 13px 28px; border-radius: 13px; background: linear-gradient(135deg, var(--kb-blue), var(--kb-indigo)); }
.kb-searchbox-flat { box-shadow: 0 6px 22px rgba(15,45,80,.10); border: 1px solid var(--kb-line); margin: 18px 0 14px; }
.kb-suggest { position: absolute; inset-inline: 0; top: calc(100% + 8px); z-index: 30; background: #fff; border-radius: 16px; box-shadow: 0 24px 60px rgba(2,12,27,.28); border: 1px solid var(--kb-line); overflow: hidden; text-align: start; }
.kb-suggest[hidden], .kb-overlay[hidden] { display: none; }
.kb-hit { display: block; padding: 12px 18px; color: var(--kb-text) !important; text-decoration: none !important; border-bottom: 1px solid #eef2f7; cursor: pointer; }
.kb-hit:last-child { border-bottom: 0; }
.kb-hit:hover, .kb-hit.is-active { background: #eef7ff; }
.kb-hit strong { display: block; color: var(--kb-ink); font-size: 15px; }
.kb-hit small { display: block; color: var(--kb-muted); font-size: 12px; margin-top: 1px; }
.kb-hit span { display: block; font-size: 13px; color: #4b5563; margin-top: 3px; line-height: 1.5; }
.kb-hit mark, .kb-result mark { background: #fff2b8; color: inherit; padding: 0 2px; border-radius: 3px; }
.kb-suggest-empty { padding: 18px; color: var(--kb-muted); text-align: center; }
.kb-suggest-all { display: block; padding: 11px 18px; text-align: center; font-weight: bold; background: #f7fafd; color: var(--kb-blue-d) !important; text-decoration: none !important; }

/* ---------------- sections ---------------- */
.kb-section { margin: 40px 0 0; }
.kb-section-head { margin: 0 0 18px; }
.kb-section-head h2, .kb-learn h2 { margin: 0 0 4px; font-size: 26px; color: var(--kb-ink); letter-spacing: -.3px; }
.kb-section-head p { margin: 0; color: var(--kb-muted); }
.kb-start { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.kb-start-card { display: flex; align-items: center; gap: 14px; padding: 18px; border-radius: var(--kb-radius); background: #fff; border: 1px solid var(--kb-line); text-decoration: none !important; color: var(--kb-text) !important; transition: .18s ease; border-top: 4px solid var(--kb-accent); }
.kb-start-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(15,45,80,.12); }
.kb-start-num { flex: none; width: 38px; height: 38px; border-radius: 12px; background: var(--kb-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 17px; }
.kb-start-body { flex: 1; min-width: 0; display: block; }
.kb-start-body small { display: block; color: var(--kb-muted); font-size: 12px; }
.kb-start-body strong { display: block; color: var(--kb-ink); font-size: 16px; line-height: 1.35; margin: 1px 0 3px; }
.kb-start-body em { font-style: normal; font-size: 12px; color: var(--kb-muted); }
.kb-start-card > i { font-size: 22px; color: #9ca3af; }

.kb-collection { margin: 0 0 28px; padding: 22px; border-radius: 22px; background: var(--kb-soft); border: 1px solid var(--kb-line); }
.kb-collection-head { display: flex; align-items: center; gap: 14px; margin: 0 0 16px; }
.kb-collection-head h3 { margin: 0; font-size: 20px; color: var(--kb-ink); }
.kb-collection-head p { margin: 2px 0 0; color: var(--kb-muted); font-size: 14px; }
.kb-collection-icon { flex: none; width: 48px; height: 48px; border-radius: 14px; background: #0b1e33; color: #fff; font-size: 26px; display: flex; align-items: center; justify-content: center; }
.kb-guides { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }
.kb-guide-card { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--kb-line); text-decoration: none !important; color: var(--kb-text) !important; transition: .2s ease; overflow: hidden; }
.kb-guide-card::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 5px; background: var(--kb-accent); }
a.kb-guide-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(15,45,80,.14); border-color: transparent; }
.kb-guide-card.is-soon { opacity: .72; background: #fafbfc; }
.kb-guide-icon { flex: none; width: 52px; height: 52px; border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #fff; background: linear-gradient(135deg, var(--kb-accent), color-mix(in srgb, var(--kb-accent) 55%, #4f46e5)); box-shadow: 0 10px 22px color-mix(in srgb, var(--kb-accent) 35%, transparent); }
.kb-guide-icon-lg { width: 72px; height: 72px; font-size: 38px; border-radius: 20px; }
.kb-guide-icon-sm { width: 34px; height: 34px; font-size: 19px; border-radius: 10px; }
.kb-guide-body strong { display: block; font-size: 19px; color: var(--kb-ink); margin-bottom: 4px; }
.kb-guide-body > span { display: block; font-size: 14px; color: var(--kb-muted); line-height: 1.6; }
.kb-guide-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.kb-guide-go { font-weight: bold; font-size: 14px; color: var(--kb-accent); display: inline-flex; align-items: center; gap: 4px; }

.kb-help { display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap; margin: 40px 0 0; padding: 30px 32px; border-radius: 24px; color: #fff; background: radial-gradient(600px 220px at 100% 0, rgba(79,70,229,.6), transparent 60%), linear-gradient(135deg, #0b1e33, #0b3b66); }
.kb-help h2, .kb-help h3 { margin: 0 0 4px; color: #fff; font-size: 22px; }
.kb-help p { margin: 0; color: rgba(255,255,255,.82); }
.kb-help-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.kb-help .kb-btn { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); color: #fff !important; }
.kb-help .kb-btn:hover { background: rgba(255,255,255,.2); box-shadow: none; }
.kb-help .kb-btn-primary { background: #fff; color: #0b3b66 !important; border-color: #fff; }
.kb-help-compact { margin-top: 28px; padding: 22px 24px; }
.kb-help-compact h3 { font-size: 18px; }

/* ---------------- guide page ---------------- */
.kb-guidehero { padding-inline: 28px !important; background: linear-gradient(135deg, color-mix(in srgb, var(--kb-accent) 13%, #fff) 0%, #fff 70%); border-bottom: 1px solid var(--kb-line); padding: 18px 0 34px; }
.kb-guidehero-inner { width: auto; margin: 0; }
.kb-guidehero-main { display: flex; gap: 22px; align-items: flex-start; margin-top: 18px; }
.kb-guidehero h1 { margin: 0 0 8px; font-size: 38px; color: var(--kb-ink); letter-spacing: -.5px; }
.kb-guidehero p { margin: 0 0 20px; max-width: 760px; font-size: 17px; color: #4b5563; }
.kb-guidehero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.kb-guide-meta { color: var(--kb-muted); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.kb-crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--kb-muted); }
.kb-crumbs a { color: var(--kb-muted); text-decoration: none; }
.kb-crumbs a:hover { color: var(--kb-blue-d); text-decoration: underline; }
.kb-crumbs span { color: var(--kb-ink); font-weight: bold; }
.kb-crumbbar { padding: 0; }
.kb-crumbbar .bodyDiv { background: #fff; border-bottom: 1px solid var(--kb-line); padding-block: 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kb-search-trigger { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--kb-line); background: #f7fafd; color: var(--kb-muted); cursor: pointer; font-family: inherit; font-size: 13px; }
.kb-search-trigger:hover { border-color: var(--kb-blue); color: var(--kb-blue-d); }
.kb-search-trigger kbd { background: #e9eff7; border-color: #d6dfec; color: #475467; }
.kb-progress { margin-top: 18px; display: flex; align-items: center; gap: 12px; max-width: 460px; font-size: 13px; color: var(--kb-muted); }
.kb-progress[hidden] { display: none; }
.kb-progress-bar { flex: 1; height: 9px; border-radius: 999px; background: #e6ecf4; overflow: hidden; }
.kb-progress-bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--kb-accent), var(--kb-indigo)); transition: width .5s ease; }
.kb-progress-sm { margin: 10px 0 4px; font-size: 12px; max-width: none; }
.kb-learn { margin: 32px 0 0; padding: 24px 26px; border-radius: 20px; background: var(--kb-soft); border: 1px solid var(--kb-line); }
.kb-learn h2 { font-size: 20px; margin-bottom: 10px; }
.kb-learn ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 8px 22px; }
.kb-learn li { display: flex; gap: 10px; align-items: flex-start; color: var(--kb-text); }
.kb-learn li i { color: #16a34a; font-size: 21px; margin-top: 2px; flex: none; }
.kb-path { list-style: none; margin: 0; padding: 0; position: relative; }
.kb-path li { position: relative; margin: 0 0 12px; }
.kb-path-item { display: flex; gap: 18px; align-items: flex-start; padding: 18px 20px; border-radius: 18px; background: #fff; border: 1px solid var(--kb-line); text-decoration: none !important; color: var(--kb-text) !important; transition: .18s ease; }
.kb-path-item:hover { transform: translateX(var(--kb-hover-x, -4px)); border-color: var(--kb-accent); box-shadow: 0 14px 30px rgba(15,45,80,.10); }
.kb-app[dir="ltr"] .kb-path-item:hover { --kb-hover-x: 4px; }
.kb-path-num { position: relative; flex: none; width: 44px; height: 44px; border-radius: 50%; background: color-mix(in srgb, var(--kb-accent) 14%, #fff); color: var(--kb-accent); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.kb-path-num i { display: none; font-size: 24px; }
.kb-path-num b { font-size: 17px; }
.kb-path-item.is-read .kb-path-num { background: #16a34a; color: #fff; }
.kb-path-item.is-read .kb-path-num b { display: none; }
.kb-path-item.is-read .kb-path-num i { display: block; }
.kb-path-body { flex: 1; min-width: 0; display: block; }
.kb-path-body strong { display: block; color: var(--kb-ink); font-size: 18px; line-height: 1.35; }
.kb-path-body > span { display: block; color: var(--kb-muted); font-size: 14px; margin: 3px 0 8px; }
.kb-path-body em { font-style: normal; display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--kb-muted); }
.kb-path-body em > span { display: inline-flex; align-items: center; gap: 4px; }
.kb-read-flag { display: none !important; color: #16a34a; font-weight: bold; }
.kb-path-item.is-read .kb-read-flag { display: inline-flex !important; }

/* ---------------- article page ---------------- */
.kb-article-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr) 230px; gap: 34px; align-items: start; padding-top: 26px; }
.kb-side, .kb-toc { position: sticky; top: 18px; max-height: calc(100vh - 36px); overflow: auto; }
.kb-side-toggle { display: none; }
.kb-side-body { border: 1px solid var(--kb-line); border-radius: 18px; padding: 16px; background: #fff; }
.kb-side-title { display: flex; align-items: center; gap: 10px; font-weight: bold; color: var(--kb-ink) !important; text-decoration: none !important; font-size: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--kb-line); }
.kb-side-list { list-style: none; margin: 10px 0 0; padding: 0; counter-reset: s; }
.kb-side-list a { display: flex; align-items: flex-start; gap: 10px; padding: 8px 10px; border-radius: 10px; color: var(--kb-text) !important; text-decoration: none !important; font-size: 14px; line-height: 1.4; position: relative; }
.kb-side-list a:hover { background: #f1f6fc; }
.kb-side-list a.is-current { background: color-mix(in srgb, var(--kb-accent) 12%, #fff); color: var(--kb-ink) !important; font-weight: bold; }
.kb-side-num { flex: none; width: 22px; height: 22px; border-radius: 50%; background: #eef2f7; color: #667085; font-size: 11px; font-weight: bold; display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.kb-side-list a.is-current .kb-side-num { background: var(--kb-accent); color: #fff; }
.kb-side-txt { flex: 1; }
.kb-side-done { display: none; color: #16a34a; font-size: 18px; margin-top: 1px; }
.kb-side-list a.is-read .kb-side-done { display: block; }

.kb-article { min-width: 0; }
.kb-article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--kb-muted); }
.kb-article-meta > span { display: inline-flex; align-items: center; gap: 5px; }
.kb-article-tools { margin-inline-start: auto; display: inline-flex !important; gap: 6px; }
.kb-article-tools button { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--kb-line); background: #fff; color: var(--kb-muted); cursor: pointer; font-size: 18px; display: inline-flex; align-items: center; justify-content: center; }
.kb-article-tools button:hover { color: var(--kb-blue-d); border-color: var(--kb-blue); }
.kb-article-head h1 { margin: 12px 0 8px; font-size: 36px; line-height: 1.2; color: var(--kb-ink); letter-spacing: -.5px; }
.kb-fallback { display: inline-flex; align-items: center; gap: 8px; margin-top: 6px; padding: 6px 14px; border-radius: 999px; background: #eef7ff; color: #1e73be; font-size: 13px; }
.kb-readbar { position: fixed; top: 0; inset-inline: 0; height: 4px; z-index: 9999; background: transparent; pointer-events: none; }
.kb-readbar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--kb-blue), var(--kb-indigo)); }

/* the article body */
.kb-body { font-size: 17px; line-height: 1.85; color: #1f2937; margin-top: 16px; }
.kb-body > *:first-child { margin-top: 0; }
.kb-body p { margin: 0 0 16px; }
.kb-body h2 { position: relative; margin: 42px 0 14px; padding-top: 6px; font-size: 26px; color: var(--kb-ink); letter-spacing: -.3px; scroll-margin-top: 18px; }
.kb-body h2::after { content: ""; display: block; width: 46px; height: 4px; border-radius: 4px; margin-top: 8px; background: linear-gradient(90deg, #1fa5ff, #4f46e5); }
.kb-body h3 { margin: 26px 0 8px; font-size: 20px; color: var(--kb-ink); scroll-margin-top: 18px; }
.kb-body h4 { margin: 0 0 4px; font-size: 16px; color: var(--kb-ink); }
.kb-body ul, .kb-body ol { margin: 0 0 18px; padding-inline-start: 26px; list-style: disc outside; }
.kb-body ol { list-style: decimal outside; }
.kb-body .kb-steps ol, .kb-body .kb-checklist { list-style: none; }
.kb-body .kb-steps ol { padding-inline-start: 0; }
.kb-body li { margin: 0 0 6px; }
.kb-body a { text-decoration: underline; text-underline-offset: 3px; }
.kb-body .kb-anchor { opacity: 0; margin-inline-start: 8px; font-size: 18px; text-decoration: none; color: var(--kb-blue); vertical-align: middle; }
.kb-body h2:hover .kb-anchor, .kb-body h3:hover .kb-anchor { opacity: 1; }
.kb-lead { font-size: 20px !important; line-height: 1.75; color: #374151; padding-inline-start: 18px; border-inline-start: 4px solid var(--kb-accent); margin: 0 0 24px !important; }
.kb-keyfacts { margin: 0 0 26px; padding: 16px 20px; border-radius: 16px; background: var(--kb-soft); border: 1px solid var(--kb-line); }
.kb-keyfacts h3 { margin: 0 0 6px; font-size: 14px; text-transform: none; color: var(--kb-muted); letter-spacing: .3px; }
.kb-keyfacts ul { margin: 0; padding-inline-start: 22px; list-style: disc outside; }
.kb-keyfacts li { margin: 3px 0; }

.kb-steps { margin: 20px 0 24px; }
.kb-steps ol { list-style: none; margin: 0; padding: 0; counter-reset: kbstep; }
.kb-steps > ol > li { position: relative; counter-increment: kbstep; margin: 0 0 8px; padding: 0 0 22px; padding-inline-start: 64px; }
.kb-steps > ol > li::before { content: counter(kbstep); position: absolute; inset-inline-start: 0; top: 0; width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--kb-accent), var(--kb-indigo)); color: #fff; font-weight: bold; font-size: 19px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 18px rgba(31,165,255,.3); }
.kb-steps > ol > li::after { content: ""; position: absolute; inset-inline-start: 21px; top: 50px; bottom: 6px; width: 2px; background: repeating-linear-gradient(#cdd9ea 0 6px, transparent 6px 11px); }
.kb-steps > ol > li:last-child::after { display: none; }
.kb-steps h3 { margin: 6px 0 4px; font-size: 18px; }
.kb-steps p { margin: 0 0 8px; }

.kb-callout { display: flex; gap: 12px; align-items: flex-start; margin: 20px 0; padding: 15px 18px; border-radius: 14px; border: 1px solid; font-size: 16px; line-height: 1.7; }
.kb-callout > i.kb-callout-ic { flex: none; font-size: 24px; margin-top: 1px; }
.kb-callout > div { flex: 1; min-width: 0; }
.kb-callout.tip { background: #effaf3; border-color: #b6e6c8; color: #14532d; }
.kb-callout.tip i.kb-callout-ic { color: #16a34a; }
.kb-callout.note { background: #eef6ff; border-color: #bcd9fb; color: #1e3a8a; }
.kb-callout.note i.kb-callout-ic { color: #2563eb; }
.kb-callout.warn { background: #fff6e0; border-color: #f2c26b; color: #78350f; }
.kb-callout.warn i.kb-callout-ic { color: #d97706; }
.kb-callout.ok { background: #effaf3; border-color: #b6e6c8; color: #14532d; }
.kb-callout a { color: inherit; }

.kb-ui { display: inline-block; padding: 1px 12px; margin: 0 2px; border-radius: 999px; font-size: .88em; font-weight: bold; line-height: 1.6; background: #e8f4ff; color: #0b6fb3; border: 1px solid #c4e2fb; white-space: nowrap; }
.kb-ui-primary { background: linear-gradient(135deg, #1fa5ff, #0b73b8); color: #fff; border-color: transparent; }
.kb-ui-danger { background: #fdeeed; color: #b42318; border-color: #f6c8c4; }
.kb-ui-violet { background: #f1ebff; color: #6d28d9; border-color: #dccbfb; }
.kb-ui-gray { background: #eef1f5; color: #475467; border-color: #d9dfe8; }
.kb-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; }
.kb-chip { padding: 6px 16px; border-radius: 999px; background: #fff; border: 1.5px solid #cfe3f6; color: #0b6fb3; font-weight: bold; font-size: 15px; }
.kb-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin: 16px 0 24px; }
.kb-cards-wide { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.kb-card { padding: 16px 18px; border-radius: 16px; background: #fff; border: 1px solid var(--kb-line); box-shadow: 0 4px 14px rgba(15,45,80,.04); }
.kb-card > i { font-size: 28px; color: var(--kb-accent); }
.kb-card h4 { margin: 6px 0 4px; }
.kb-card p { margin: 0; font-size: 15px; line-height: 1.6; color: #4b5563; }
.kb-table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 16px 0 24px; border: 1px solid var(--kb-line); border-radius: 14px; overflow: hidden; font-size: 15.5px; display: table; }
.kb-table th { background: #f1f6fc; color: var(--kb-ink); text-align: start; padding: 11px 14px; font-size: 14px; }
.kb-table td { padding: 11px 14px; border-top: 1px solid #eaeff6; vertical-align: top; }
.kb-table tbody tr:nth-child(even) td { background: #fafcfe; }
.kb-table-wrap { overflow-x: auto; margin: 16px 0 24px; }
.kb-table-wrap .kb-table { margin: 0; min-width: 520px; }
.kb-quote { margin: 18px 0 24px; padding: 14px 20px; background: #fbfcfe; border: 1px dashed #c3d3e8; border-inline-start: 4px solid var(--kb-accent); border-radius: 12px; color: #374151; }
.kb-quote p { margin: 0; }
.kb-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 10px 0 6px; }
.kb-compare-col { padding: 14px 16px; border-radius: 14px; background: #fff; border: 1px solid var(--kb-line); }
.kb-compare-col h4 { margin: 0 0 4px; }
.kb-compare-col p { margin: 0; font-size: 15px; }
.kb-compare-strong { border-color: var(--kb-accent); background: color-mix(in srgb, var(--kb-accent) 7%, #fff); }
.kb-checklist { list-style: none; padding: 0 !important; margin: 14px 0 22px; }
.kb-checklist li { display: flex; align-items: center; gap: 12px; padding: 11px 14px; margin: 0 0 8px; border-radius: 12px; background: #fff; border: 1px solid var(--kb-line); cursor: pointer; transition: .15s; }
.kb-checklist li::before { content: ""; flex: none; width: 22px; height: 22px; border-radius: 7px; border: 2px solid #b8c6da; background: #fff; transition: .15s; }
.kb-checklist li.is-done { background: #effaf3; border-color: #b6e6c8; color: #14532d; text-decoration: line-through; text-decoration-color: rgba(20,83,45,.4); }
.kb-checklist li.is-done::before { background: #16a34a; border-color: #16a34a; content: "\2713"; color: #fff; font-size: 14px; display: flex; align-items: center; justify-content: center; font-weight: bold; text-decoration: none; }
.kb-next { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 34px 0 0; padding: 16px 22px; border-radius: 16px; background: linear-gradient(135deg, color-mix(in srgb, var(--kb-accent) 12%, #fff), #fff); border: 1px solid color-mix(in srgb, var(--kb-accent) 35%, #fff); }
.kb-next span { color: var(--kb-muted); font-size: 13px; font-weight: bold; }
.kb-next a { font-weight: bold; font-size: 17px; text-decoration: none !important; }

.kb-article-foot { margin-top: 36px; }
.kb-helpful { padding: 20px 22px; border-radius: 18px; background: var(--kb-soft); border: 1px solid var(--kb-line); text-align: center; }
.kb-helpful strong { display: block; font-size: 17px; color: var(--kb-ink); margin-bottom: 10px; }
.kb-helpful-btns { display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.kb-helpful-btns button { display: inline-flex; align-items: center; gap: 7px; padding: 9px 20px; border-radius: 999px; border: 1.5px solid #cfd8e6; background: #fff; cursor: pointer; font-family: inherit; font-weight: bold; font-size: 14px; color: var(--kb-text); }
.kb-helpful-btns button:hover { border-color: var(--kb-blue); color: var(--kb-blue-d); }
.kb-helpful-btns button.is-picked { background: #e8f4ff; border-color: var(--kb-blue); color: var(--kb-blue-d); }
.kb-helpful-msg[hidden] { display: none; }
.kb-helpful-msg p { margin: 12px 0 0; }
.kb-helpful[data-v="yes"] .no, .kb-helpful[data-v="no"] .yes { display: none; }
.kb-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0 0; }
.kb-prevnext a { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--kb-line); background: #fff; text-decoration: none !important; color: var(--kb-text) !important; transition: .18s; }
.kb-prevnext a:hover { border-color: var(--kb-accent); box-shadow: 0 12px 26px rgba(15,45,80,.1); transform: translateY(-2px); }
.kb-prevnext small { display: block; color: var(--kb-muted); font-size: 12px; }
.kb-prevnext strong { display: block; color: var(--kb-ink); font-size: 16px; line-height: 1.35; }
.kb-prevnext i { font-size: 26px; color: var(--kb-accent); flex: none; }
.kb-next-link { justify-content: space-between; text-align: start; grid-column: 2; }
.kb-related { margin-top: 30px; }
.kb-related h3 { font-size: 18px; margin: 0 0 12px; color: var(--kb-ink); }
.kb-related-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.kb-related-list a { display: block; padding: 14px 16px; border-radius: 14px; background: #fff; border: 1px solid var(--kb-line); text-decoration: none !important; color: var(--kb-text) !important; }
.kb-related-list a:hover { border-color: var(--kb-accent); }
.kb-related-list strong { display: block; color: var(--kb-ink); font-size: 15px; }
.kb-related-list span { display: block; font-size: 13px; color: var(--kb-muted); margin-top: 3px; }

.kb-toc-inner { border-inline-start: 2px solid var(--kb-line); padding-inline-start: 16px; }
.kb-toc h4 { margin: 0 0 10px; font-size: 13px; letter-spacing: .4px; color: var(--kb-muted); }
.kb-toc ul { list-style: none; margin: 0; padding: 0; }
.kb-toc li a { display: block; padding: 5px 0; font-size: 14px; line-height: 1.45; color: var(--kb-muted) !important; text-decoration: none !important; position: relative; }
.kb-toc li a:hover { color: var(--kb-ink) !important; }
.kb-toc li a.is-active { color: var(--kb-accent) !important; font-weight: bold; }
.kb-toc li a.is-active::before { content: ""; position: absolute; inset-inline-start: -18px; top: 6px; bottom: 6px; width: 2px; background: var(--kb-accent); }
.kb-toc li.is-sub a { padding-inline-start: 14px; font-size: 13px; }
.kb-toc-top { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-size: 13px; color: var(--kb-muted) !important; text-decoration: none !important; }

/* ---------------- search page and overlay ---------------- */
.kb-search-meta { color: var(--kb-muted); font-size: 14px; min-height: 22px; margin: 4px 2px 8px; }
.kb-search-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.kb-search-filters button { padding: 6px 16px; border-radius: 999px; border: 1.5px solid #cfd8e6; background: #fff; cursor: pointer; font-family: inherit; font-size: 13px; font-weight: bold; color: var(--kb-text); }
.kb-search-filters button.is-on { background: #0b1e33; border-color: #0b1e33; color: #fff; }
.kb-result { display: block; padding: 18px 20px; margin: 0 0 12px; border-radius: 16px; border: 1px solid var(--kb-line); background: #fff; text-decoration: none !important; color: var(--kb-text) !important; transition: .16s; }
.kb-result:hover { border-color: var(--kb-blue); box-shadow: 0 12px 28px rgba(15,45,80,.1); }
.kb-result small { display: flex; align-items: center; gap: 6px; color: var(--kb-muted); font-size: 12px; margin-bottom: 2px; }
.kb-result strong { display: block; font-size: 19px; color: var(--kb-ink); margin-bottom: 4px; }
.kb-result p { margin: 0; color: #4b5563; font-size: 15px; line-height: 1.65; }
.kb-noresults { text-align: center; padding: 50px 16px; color: var(--kb-muted); }
.kb-noresults i { font-size: 54px; color: #b8c6da; }
.kb-noresults h3 { color: var(--kb-ink); margin: 8px 0 4px; }

.kb-overlay { position: fixed; inset: 0; z-index: 99990; background: rgba(8,20,36,.55); backdrop-filter: blur(3px); display: flex; align-items: flex-start; justify-content: center; padding: 11vh 14px 14px; }
.kb-overlay-box { width: 100%; max-width: 640px; background: #fff; border-radius: 20px; box-shadow: 0 40px 90px rgba(2,12,27,.5); overflow: hidden; text-align: start; }
.kb-overlay-head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--kb-line); }
.kb-overlay-head > i { font-size: 24px; color: #8aa0b8; }
.kb-overlay-head input { flex: 1; border: 0; outline: 0; font-size: 18px; font-family: inherit; color: #111827; background: transparent; padding: 6px 0; }
.kb-overlay-close { border: 1px solid var(--kb-line); background: #f3f6fa; color: #667085; border-radius: 8px; font-size: 12px; font-weight: bold; padding: 3px 9px; cursor: pointer; }
.kb-overlay-list { max-height: 52vh; overflow: auto; }
.kb-overlay-foot { padding: 10px 18px; font-size: 12px; color: var(--kb-muted); background: #f9fbfd; border-top: 1px solid var(--kb-line); }
.kb-notfound { text-align: center; padding: 70px 16px; }
.kb-notfound i { font-size: 64px; color: #b8c6da; }
.kb-notfound h1 { margin: 8px 0; color: var(--kb-ink); }
.kb-notfound p { color: var(--kb-muted); margin: 0 0 22px; }

/* ---------------- responsive ---------------- */
@media (max-width: 1180px) {
	.kb-article-grid { grid-template-columns: 260px minmax(0, 1fr); }
	.kb-toc { display: none; }
}
@media (max-width: 860px) {
	.kb-hero { padding: 40px 14px 48px; }
	.kb-guidehero { padding-inline: 16px !important; }
	.kb-hero h1 { font-size: 32px; }
	.kb-searchbox { flex-wrap: wrap; padding: 8px; }
	.kb-searchbox input[type=search] { font-size: 16px; }
	.kb-searchbox button[type=submit] { width: 100%; }
	.kb-article-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; padding-top: 14px; }
	.kb-side, .kb-toc { position: static; max-height: none; }
	.kb-side-toggle { display: flex; align-items: center; gap: 10px; width: 100%; padding: 12px 16px; border-radius: 14px; border: 1px solid var(--kb-line); background: #f7fafd; font-family: inherit; font-weight: bold; font-size: 15px; color: var(--kb-ink); cursor: pointer; }
	.kb-side-toggle .bx-chevron-down { margin-inline-start: auto; transition: transform .2s; }
	.kb-side.is-open .kb-side-toggle .bx-chevron-down { transform: rotate(180deg); }
	.kb-side-body { display: none; margin-top: 8px; }
	.kb-side.is-open .kb-side-body { display: block; }
	.kb-article-head h1 { font-size: 28px; }
	.kb-body { font-size: 16.5px; }
	.kb-body h2 { font-size: 23px; }
	.kb-guidehero h1 { font-size: 30px; }
	.kb-guidehero-main { flex-direction: column; gap: 14px; }
	.kb-compare { grid-template-columns: 1fr; }
	.kb-prevnext { grid-template-columns: 1fr; }
	.kb-next-link { grid-column: auto; }
	.kb-help { padding: 22px 20px; }
	.kb-path-item { padding: 14px; gap: 12px; }
	.kb-collection { padding: 14px; }
}
@media print {
	#topBt, .topSocialContact, header.siteHdr, .kb-internal, .kb-crumbbar, .kb-side, .kb-toc, .kb-article-tools, .kb-helpful, .kb-prevnext, .kb-related, .kb-help, .kb-overlay, .kb-readbar, #goTopBtn, .bottomNav, footer { display: none !important; }
	.kb-article-grid { display: block; }
	.kb-body { font-size: 12pt; }
	.kb-article-head h1 { font-size: 22pt; }
}
@media (prefers-reduced-motion: reduce) { .kb-app * { transition: none !important; animation: none !important; } }