:root {
  --knowledge-ink: #18212b;
  --knowledge-muted: #64707d;
  --knowledge-line: #e5e9ed;
  --knowledge-soft: #f5f8fa;
  --knowledge-accent: #d71920;
  --knowledge-accent-dark: #aa1117;
}

.knowledge-main,
.knowledge-article {
  color: var(--knowledge-ink);
}

.knowledge-heading,
.knowledge-article-header {
  margin-bottom: 28px;
}

.knowledge-eyebrow {
  margin: 0 0 8px;
  color: var(--knowledge-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.knowledge-heading h1,
.knowledge-article-header h1 {
  margin: 0;
  color: var(--knowledge-ink);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.3;
}

.knowledge-summary,
.knowledge-article-summary {
  margin: 16px 0 0;
  color: var(--knowledge-muted);
  font-size: 16px;
  line-height: 1.8;
}

.knowledge-current-crumb {
  color: var(--knowledge-muted);
}

.knowledge-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.knowledge-categories a {
  padding: 8px 15px;
  border: 1px solid var(--knowledge-line);
  border-radius: 999px;
  color: var(--knowledge-ink);
  background: #fff;
  transition: .2s ease;
}

.knowledge-categories a:hover,
.knowledge-categories a:focus-visible {
  border-color: var(--knowledge-accent);
  color: var(--knowledge-accent);
}

.knowledge-page a:focus-visible {
  outline: 3px solid rgba(215, 25, 32, .3);
  outline-offset: 3px;
}

.knowledge-list {
  display: grid;
  gap: 22px;
}

.knowledge-card {
  display: grid;
  grid-template-columns: minmax(220px, 34%) 1fr;
  overflow: hidden;
  border: 1px solid var(--knowledge-line);
  border-radius: 10px;
  background: #fff;
}

.knowledge-card-image img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
}

.knowledge-card-body {
  padding: 24px;
}

.knowledge-card-meta,
.knowledge-article-meta {
  color: #8a939c;
  font-size: 13px;
}

.knowledge-card h2 {
  margin: 8px 0 12px;
  font-size: 22px;
  line-height: 1.45;
}

.knowledge-card h2 a { color: var(--knowledge-ink); }
.knowledge-card h2 a:hover { color: var(--knowledge-accent); }

.knowledge-card-body > p:not(.knowledge-card-meta) {
  margin: 0 0 16px;
  color: var(--knowledge-muted);
  line-height: 1.75;
}

.knowledge-read-more,
.knowledge-text-link {
  color: var(--knowledge-accent);
  font-weight: 700;
}

.knowledge-empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--knowledge-muted);
  background: var(--knowledge-soft);
}

.knowledge-conversion,
.knowledge-solution-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 38px;
  padding: 30px;
  border-radius: 12px;
  color: #fff;
  background: #17212b;
}

.knowledge-conversion h2,
.knowledge-solution-card h2 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 24px;
}

.knowledge-conversion p,
.knowledge-solution-card p { margin-bottom: 0; }

.knowledge-actions {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 10px;
}

.knowledge-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
}

.knowledge-btn-primary { color: #fff; background: var(--knowledge-accent); }
.knowledge-btn-primary:hover { color: #fff; background: var(--knowledge-accent-dark); }
.knowledge-btn-secondary { border-color: rgba(255,255,255,.55); color: #fff; }
.knowledge-btn-secondary:hover { border-color: #fff; color: #fff; }

.knowledge-article-header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--knowledge-line);
}

.knowledge-article-meta { margin: 14px 0 0; }
.knowledge-article-meta span { margin-left: 20px; }

.knowledge-article-summary {
  padding: 18px 20px;
  border-left: 4px solid var(--knowledge-accent);
  background: var(--knowledge-soft);
}

.knowledge-content {
  font-size: 16px;
  line-height: 1.9;
}

.knowledge-content h2 {
  margin: 36px 0 16px;
  color: var(--knowledge-ink);
  font-size: 25px;
}

.knowledge-content h3 {
  margin: 28px 0 12px;
  color: var(--knowledge-ink);
  font-size: 20px;
}

.knowledge-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.knowledge-content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.knowledge-content th,
.knowledge-content td {
  min-width: 120px;
  padding: 12px 14px;
  border: 1px solid var(--knowledge-line);
  text-align: left;
  vertical-align: top;
}

.knowledge-content blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--knowledge-accent);
  color: var(--knowledge-muted);
  background: var(--knowledge-soft);
}

.knowledge-content .knowledge-faq {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid var(--knowledge-line);
  border-radius: 8px;
  background: #fff;
}

.knowledge-content .knowledge-faq h2:first-child { margin-top: 0; }

.knowledge-product-guide {
  margin-top: 26px;
  padding: 24px;
  border: 1px solid var(--knowledge-line);
  border-radius: 8px;
  background: var(--knowledge-soft);
}

.knowledge-solution-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.knowledge-solution-links a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.45);
  text-underline-offset: 3px;
}

.knowledge-solution-links a:hover { text-decoration-color: #fff; }

.knowledge-product-guide h2,
.knowledge-related > h2 {
  margin: 0 0 10px;
  font-size: 23px;
}

.knowledge-prev-next {
  display: grid;
  gap: 8px;
  margin: 28px 0;
  padding: 18px 0;
  border-top: 1px solid var(--knowledge-line);
  border-bottom: 1px solid var(--knowledge-line);
}

.knowledge-related { margin-top: 34px; }

.knowledge-related:not(:has(.knowledge-related-grid article)) { display: none; }

.knowledge-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-related-grid article {
  overflow: hidden;
  border: 1px solid var(--knowledge-line);
  border-radius: 7px;
}

.knowledge-related-grid img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.knowledge-related-grid h3 {
  margin: 0;
  padding: 13px;
  color: var(--knowledge-ink);
  font-size: 15px;
  line-height: 1.55;
}

@media (max-width: 991px) {
  .knowledge-card { grid-template-columns: 1fr; }
  .knowledge-card-image img { min-height: 0; aspect-ratio: 3 / 2; }
  .knowledge-conversion,
  .knowledge-solution-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 767px) {
  .knowledge-heading h1,
  .knowledge-article-header h1 { font-size: 28px; }
  .knowledge-card-body { padding: 18px; }
  .knowledge-card h2 { font-size: 19px; }
  .knowledge-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .knowledge-actions { width: 100%; }
  .knowledge-btn { flex: 1; }
  .knowledge-content { font-size: 15px; }
  .knowledge-content h2 { font-size: 22px; }
  .knowledge-content h3 { font-size: 18px; }
}

@media (max-width: 480px) {
  .knowledge-related-grid { grid-template-columns: 1fr; }
  .knowledge-conversion,
  .knowledge-solution-card { padding: 22px; }
  .knowledge-actions { flex-direction: column; }
}