.knowledge-site {
  --knowledge-bg: #edf2f7;
  --knowledge-bg-deep: #dfe8f2;
  --knowledge-surface: rgba(255, 255, 255, 0.82);
  --knowledge-surface-solid: #ffffff;
  --knowledge-surface-hover: #f8fbff;
  --knowledge-border: rgba(77, 96, 121, 0.16);
  --knowledge-text: #242b35;
  --knowledge-muted: #697586;
  --knowledge-primary: #5576bd;
  --knowledge-primary-soft: #e7edfb;
  --knowledge-secondary: #5b9b82;
  --knowledge-code-bg: #18212d;
  --knowledge-danger: #b44d5a;
  --knowledge-radius: 12px;
  --knowledge-radius-small: 7px;
  --knowledge-shadow: 0 12px 30px rgba(46, 62, 81, 0.1);
  --knowledge-content-width: 1480px;
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--knowledge-text);
  background: var(--knowledge-bg);
  color-scheme: light;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-site[data-theme="dark"] {
  --knowledge-bg: #151b23;
  --knowledge-bg-deep: #202a36;
  --knowledge-surface: rgba(31, 39, 49, 0.86);
  --knowledge-surface-solid: #222b36;
  --knowledge-surface-hover: #293442;
  --knowledge-border: rgba(196, 210, 228, 0.13);
  --knowledge-text: #edf2f7;
  --knowledge-muted: #aab5c4;
  --knowledge-primary: #89a8ec;
  --knowledge-primary-soft: #293754;
  --knowledge-secondary: #83c2a9;
  --knowledge-code-bg: #0d131b;
  --knowledge-danger: #ee8994;
  --knowledge-shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  .knowledge-site:not([data-theme="light"]) {
    --knowledge-bg: #151b23;
    --knowledge-bg-deep: #202a36;
    --knowledge-surface: rgba(31, 39, 49, 0.86);
    --knowledge-surface-solid: #222b36;
    --knowledge-surface-hover: #293442;
    --knowledge-border: rgba(196, 210, 228, 0.13);
    --knowledge-text: #edf2f7;
    --knowledge-muted: #aab5c4;
    --knowledge-primary: #89a8ec;
    --knowledge-primary-soft: #293754;
    --knowledge-secondary: #83c2a9;
    --knowledge-code-bg: #0d131b;
    --knowledge-danger: #ee8994;
    --knowledge-shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
    color-scheme: dark;
  }
}

body.auth-elegant .login-screen,
body.auth-elegant .version-selector {
  display: none;
}

body.auth-elegant .knowledge-site {
  display: block;
}

.knowledge-backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(128deg, transparent 0 62%, color-mix(in srgb, var(--knowledge-primary) 8%, transparent) 62% 78%, transparent 78%),
    linear-gradient(160deg, var(--knowledge-bg) 0%, var(--knowledge-bg-deep) 100%);
}

.knowledge-backdrop::before,
.knowledge-backdrop::after {
  content: "";
  position: absolute;
  width: 28vw;
  aspect-ratio: 1;
  opacity: 0.1;
  border: 1px solid var(--knowledge-primary);
  transform: rotate(24deg);
}

.knowledge-backdrop::before {
  top: 18%;
  right: -16%;
}

.knowledge-backdrop::after {
  bottom: -18%;
  left: -12%;
  transform: rotate(-18deg);
}

.knowledge-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 12px 0;
  background: color-mix(in srgb, var(--knowledge-bg) 76%, transparent);
  backdrop-filter: blur(16px);
}

.knowledge-nav {
  width: min(var(--knowledge-content-width), calc(100% - 40px));
  min-height: 62px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 22px;
  background: color-mix(in srgb, var(--knowledge-surface-solid) 90%, transparent);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-brand {
  min-width: max-content;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--knowledge-text);
  background: transparent;
  border: 0;
  text-align: left;
}

.knowledge-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--knowledge-primary);
  border-radius: var(--knowledge-radius-small);
  font-size: 12px;
  font-weight: 800;
}

.knowledge-brand > span:last-child {
  display: grid;
  gap: 1px;
}

.knowledge-brand strong {
  font-size: 16px;
}

.knowledge-brand small {
  color: var(--knowledge-muted);
  font-size: 9px;
  letter-spacing: 0;
}

.knowledge-nav-links {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 2px;
}

.knowledge-nav-links button,
.knowledge-icon-button,
.knowledge-language-button,
.knowledge-menu-toggle,
.knowledge-author-tools summary,
.knowledge-author-tools div button,
.knowledge-account-menu summary,
.knowledge-account-menu div button {
  color: var(--knowledge-muted);
  background: transparent;
  border: 0;
  border-radius: var(--knowledge-radius-small);
  font: 14px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-nav-links button {
  min-height: 40px;
  padding: 0 10px;
  white-space: nowrap;
}

.knowledge-nav-links button:hover,
.knowledge-nav-links button:focus-visible,
.knowledge-nav-links button.is-active,
.knowledge-icon-button:hover,
.knowledge-icon-button:focus-visible,
.knowledge-menu-toggle:hover,
.knowledge-menu-toggle:focus-visible,
.knowledge-author-tools summary:hover,
.knowledge-author-tools summary:focus-visible,
.knowledge-account-menu summary:hover,
.knowledge-account-menu summary:focus-visible {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  outline: none;
}

.knowledge-nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 5px;
}

.knowledge-icon-button,
.knowledge-menu-toggle {
  width: 38px;
  height: 38px;
  padding: 0;
  font-size: 17px;
}

.knowledge-language-button {
  min-width: 44px;
  height: 34px;
  padding: 0 8px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border: 0;
  border-radius: var(--knowledge-radius-small);
  font-size: 11px;
  font-weight: 700;
}

.knowledge-language-button:hover,
.knowledge-language-button:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--knowledge-primary) 55%, transparent);
}

.knowledge-menu-toggle {
  display: none;
}

.knowledge-author-tools,
.knowledge-account-menu {
  position: relative;
}

.knowledge-author-tools summary,
.knowledge-account-menu summary {
  min-height: 38px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  list-style: none;
  cursor: default;
}

.knowledge-author-tools summary {
  color: #ffffff;
  background: var(--knowledge-primary);
}

.knowledge-author-tools summary::-webkit-details-marker,
.knowledge-account-menu summary::-webkit-details-marker {
  display: none;
}

.knowledge-account-menu summary {
  padding: 0 4px;
}

#knowledgeAccountInitial {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--knowledge-secondary);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
}

.knowledge-author-tools > div,
.knowledge-account-menu > div {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 210px;
  padding: 10px;
  display: grid;
  gap: 3px;
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-account-menu > div strong,
.knowledge-account-menu > div small {
  padding: 2px 8px;
}

.knowledge-account-menu > div small {
  margin-bottom: 7px;
  color: var(--knowledge-muted);
}

.knowledge-author-tools div button,
.knowledge-account-menu div button {
  min-height: 38px;
  padding: 0 10px;
  text-align: left;
}

.knowledge-author-tools div button:hover,
.knowledge-author-tools div button:focus-visible,
.knowledge-account-menu div button:hover,
.knowledge-account-menu div button:focus-visible {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  outline: none;
}

#knowledgeLogoutButton {
  color: var(--knowledge-danger);
}

.knowledge-main,
.knowledge-footer {
  width: min(var(--knowledge-content-width), calc(100% - 40px));
  margin: 0 auto;
}

.knowledge-main {
  min-height: calc(100vh - 86px);
}

.knowledge-intro {
  min-height: 270px;
  padding: 30px 38px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: center;
  gap: 36px;
  overflow: hidden;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--knowledge-surface-solid) 92%, transparent), color-mix(in srgb, var(--knowledge-primary-soft) 70%, transparent));
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-kicker,
.knowledge-section-heading > div > span,
.knowledge-route-kicker {
  color: var(--knowledge-primary);
  font-size: 11px;
  font-weight: 700;
}

.knowledge-intro h1 {
  margin: 8px 0 8px;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0;
}

.knowledge-intro-copy > p {
  max-width: 720px;
  margin: 0;
  color: var(--knowledge-muted);
  line-height: 1.7;
}

.knowledge-global-search {
  max-width: 680px;
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.knowledge-global-search label {
  min-width: 0;
  min-height: 46px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-global-search input,
.knowledge-side-search input,
.knowledge-search-controls input,
.knowledge-search-controls select {
  min-width: 0;
  color: var(--knowledge-text);
  background: transparent;
  border: 0;
  outline: none;
  font: 14px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-global-search input {
  width: 100%;
}

.knowledge-global-search button,
.knowledge-side-search button,
.knowledge-route-button,
.knowledge-load-more,
.knowledge-section-heading > button,
.knowledge-view-toggle button,
.knowledge-panel-heading button,
.knowledge-footer button {
  min-height: 40px;
  padding: 0 13px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font: 13px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-global-search button {
  min-height: 46px;
  color: #ffffff;
  background: var(--knowledge-primary);
  border-color: var(--knowledge-primary);
}

.knowledge-type-links {
  margin-top: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.knowledge-type-links button,
.knowledge-tag,
.knowledge-domain-list button,
.knowledge-tag-cloud button,
.knowledge-filter-chip {
  min-height: 28px;
  padding: 0 9px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border: 0;
  border-radius: var(--knowledge-radius-small);
  font: 11px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-art-placeholder {
  height: 210px;
  display: grid;
  place-content: center;
  gap: 5px;
  color: var(--knowledge-muted);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--knowledge-primary) 17%, transparent), color-mix(in srgb, var(--knowledge-secondary) 13%, transparent));
  border: 1px dashed color-mix(in srgb, var(--knowledge-primary) 55%, var(--knowledge-border));
  border-radius: 48% 48% 14% 14% / 28% 28% 12% 12%;
  text-align: center;
}

.knowledge-art-placeholder span {
  font-weight: 700;
}

.knowledge-art-placeholder small {
  font-size: 11px;
}

.knowledge-layout {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 270px;
  align-items: start;
  gap: 20px;
}

.knowledge-sidebar,
.knowledge-feed {
  min-width: 0;
}

.knowledge-sidebar {
  display: grid;
  gap: 14px;
}

.knowledge-panel,
.knowledge-content-card,
.knowledge-solution-card,
.knowledge-featured-card,
.knowledge-route-shell,
.knowledge-detail-header,
.knowledge-solution-info,
.knowledge-detail-body,
.knowledge-related-card {
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-panel {
  padding: 16px;
}

.knowledge-panel h2 {
  margin: 0;
  font-size: 15px;
}

.knowledge-panel p {
  color: var(--knowledge-muted);
  font-size: 12px;
  line-height: 1.65;
}

.knowledge-panel-heading,
.knowledge-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.knowledge-panel-heading {
  margin-bottom: 12px;
}

.knowledge-panel-heading button,
.knowledge-section-heading > button {
  min-height: 30px;
  padding: 0 8px;
  color: var(--knowledge-primary);
  background: transparent;
}

.knowledge-author-card {
  text-align: center;
}

.knowledge-author-avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--knowledge-primary);
  border-radius: 50%;
  font-weight: 700;
}

.knowledge-author-card h2 {
  font-size: 18px;
}

.knowledge-author-card a {
  color: var(--knowledge-primary);
  text-decoration: none;
  font-size: 12px;
}

.knowledge-author-meta {
  margin: 13px 0;
  padding: 9px 0;
  display: flex;
  justify-content: center;
  gap: 9px;
  border-top: 1px solid var(--knowledge-border);
  border-bottom: 1px solid var(--knowledge-border);
  font-size: 12px;
}

.knowledge-category-list,
.knowledge-platform-list,
.knowledge-topic-list,
.knowledge-archive-list {
  display: grid;
  gap: 4px;
}

.knowledge-category-list button,
.knowledge-platform-list a,
.knowledge-platform-list span,
.knowledge-topic-list button,
.knowledge-archive-list button {
  min-height: 36px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--knowledge-muted);
  background: transparent;
  border: 0;
  border-radius: var(--knowledge-radius-small);
  text-decoration: none;
  font: 12px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-category-list button:hover,
.knowledge-category-list button:focus-visible,
.knowledge-topic-list button:hover,
.knowledge-topic-list button:focus-visible,
.knowledge-archive-list button:hover,
.knowledge-archive-list button:focus-visible,
.knowledge-platform-list a:hover,
.knowledge-platform-list a:focus-visible {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  outline: none;
}

.knowledge-platform-list .is-placeholder {
  opacity: 0.62;
}

.knowledge-domain-list,
.knowledge-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.knowledge-feed {
  display: grid;
  gap: 28px;
}

.knowledge-feed-section {
  scroll-margin-top: 94px;
}

.knowledge-section-heading {
  margin-bottom: 13px;
  align-items: end;
}

.knowledge-section-heading h2 {
  margin: 3px 0 0;
  font-size: 22px;
}

.knowledge-featured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.knowledge-featured-card {
  min-height: 220px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  color: var(--knowledge-text);
  text-align: left;
  cursor: pointer;
}

.knowledge-demo-badge,
.knowledge-type-badge,
.knowledge-state-badge {
  width: max-content;
  padding: 4px 7px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border-radius: var(--knowledge-radius-small);
  font-size: 10px;
}

.knowledge-featured-card h3,
.knowledge-content-body h3,
.knowledge-solution-body h3 {
  margin: 12px 0 6px;
  font-size: 18px;
}

.knowledge-featured-card p,
.knowledge-content-body p,
.knowledge-solution-body p {
  margin: 0;
  color: var(--knowledge-muted);
  font-size: 13px;
  line-height: 1.65;
}

.knowledge-card-tags,
.knowledge-card-meta,
.knowledge-solution-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-featured-card .knowledge-card-tags {
  margin-top: auto;
}

.knowledge-post-list,
.knowledge-solution-list {
  display: grid;
  gap: 12px;
}

.knowledge-post-list.is-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.knowledge-content-card {
  min-width: 0;
  padding: 14px;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  color: var(--knowledge-text);
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  cursor: pointer;
}

.knowledge-post-list.is-grid .knowledge-content-card {
  grid-template-columns: 1fr;
}

.knowledge-content-card:hover,
.knowledge-content-card:focus-visible,
.knowledge-solution-card:hover,
.knowledge-solution-card:focus-visible,
.knowledge-featured-card:hover,
.knowledge-featured-card:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--knowledge-primary) 45%, var(--knowledge-border));
  box-shadow: 0 17px 36px rgba(46, 62, 81, 0.16);
  outline: none;
}

.knowledge-cover-placeholder {
  min-height: 145px;
  display: grid;
  place-items: center;
  color: var(--knowledge-muted);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--knowledge-primary) 14%, transparent), color-mix(in srgb, var(--knowledge-secondary) 11%, transparent));
  border: 1px dashed var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font-size: 10px;
  overflow: hidden;
}

.knowledge-cover-placeholder img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.knowledge-content-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.knowledge-card-meta {
  margin-top: auto;
  padding-top: 12px;
}

.knowledge-card-flags {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

.knowledge-view-toggle {
  display: flex;
  gap: 4px;
}

.knowledge-view-toggle button {
  min-height: 32px;
  padding: 0 10px;
  background: transparent;
}

.knowledge-view-toggle button.is-active {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
}

.knowledge-load-more {
  width: 100%;
  margin-top: 12px;
  color: var(--knowledge-muted);
}

.knowledge-solution-card {
  min-width: 0;
  padding: 15px;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 16px;
  color: var(--knowledge-text);
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  cursor: pointer;
}

.knowledge-solution-identity {
  min-height: 128px;
  padding: 13px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--knowledge-primary-soft);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-solution-identity strong {
  color: var(--knowledge-primary);
  font-size: 14px;
}

.knowledge-solution-identity span {
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-solution-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.knowledge-solution-meta {
  margin-top: auto;
  padding-top: 11px;
}

.knowledge-problem-link,
.knowledge-source-link {
  width: max-content;
  margin-top: 12px;
  padding: 7px 10px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border: 1px solid color-mix(in srgb, var(--knowledge-primary) 30%, transparent);
  border-radius: var(--knowledge-radius-small);
  text-decoration: none;
  font-size: 12px;
}

.knowledge-update-list {
  margin: 0;
  padding: 0 0 0 19px;
  list-style: none;
  border-left: 2px solid var(--knowledge-border);
}

.knowledge-update-list li {
  position: relative;
  padding: 0 0 18px 16px;
}

.knowledge-update-list li:last-child {
  padding-bottom: 0;
}

.knowledge-update-list li::before {
  content: "";
  width: 9px;
  height: 9px;
  position: absolute;
  top: 3px;
  left: -22px;
  background: var(--knowledge-primary);
  border: 3px solid var(--knowledge-bg);
  border-radius: 50%;
}

.knowledge-update-list time,
.knowledge-update-list small {
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-update-list strong {
  margin: 2px 0;
  display: block;
  font-size: 13px;
}

.knowledge-side-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
}

.knowledge-side-search input {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-side-search button {
  min-height: 38px;
  padding: 0 10px;
}

.knowledge-panel > small {
  color: var(--knowledge-muted);
  font-size: 10px;
}

.knowledge-stats {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.knowledge-stats div {
  display: grid;
  gap: 2px;
}

.knowledge-stats dt {
  color: var(--knowledge-muted);
  font-size: 10px;
}

.knowledge-stats dd {
  margin: 0;
  color: var(--knowledge-primary);
  font-size: 17px;
  font-weight: 700;
}

.knowledge-route-view {
  min-height: 70vh;
  padding: 4px 0 40px;
}

.knowledge-route-view[hidden],
.knowledge-home-view[hidden] {
  display: none;
}

.knowledge-route-shell {
  padding: 24px;
}

.knowledge-route-header {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-route-header h1 {
  margin: 5px 0 7px;
  font-size: 30px;
}

.knowledge-route-header p {
  margin: 0;
  color: var(--knowledge-muted);
}

.knowledge-route-actions {
  margin-top: 15px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.knowledge-route-button.is-primary {
  color: #ffffff;
  background: var(--knowledge-primary);
  border-color: var(--knowledge-primary);
}

.knowledge-search-controls {
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(120px, auto));
  gap: 8px;
}

.knowledge-search-controls input,
.knowledge-search-controls select {
  min-height: 42px;
  padding: 0 11px;
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-search-results {
  display: grid;
  gap: 12px;
}

.knowledge-check-filter {
  min-height: 42px;
  padding: 0 11px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--knowledge-muted);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font-size: 12px;
}

.knowledge-check-filter input {
  min-height: auto;
  padding: 0;
}

.knowledge-result-summary {
  min-height: 30px;
  margin-bottom: 10px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-pagination {
  margin-top: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.knowledge-pagination button {
  min-width: 36px;
  min-height: 36px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-pagination button.is-active {
  color: #ffffff;
  background: var(--knowledge-primary);
  border-color: var(--knowledge-primary);
}

.knowledge-page-status {
  margin-left: auto;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-empty-state {
  min-height: 240px;
  display: grid;
  place-content: center;
  gap: 8px;
  color: var(--knowledge-muted);
  text-align: center;
}

.knowledge-empty-state strong {
  color: var(--knowledge-text);
}

.knowledge-loading-state,
.knowledge-error-state {
  min-height: 150px;
  padding: 22px;
  display: grid;
  align-content: center;
  gap: 10px;
  color: var(--knowledge-muted);
  background: color-mix(in srgb, var(--knowledge-surface) 72%, transparent);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
}

.knowledge-loading-line {
  width: min(100%, 460px);
  height: 13px;
  background: color-mix(in srgb, var(--knowledge-muted) 14%, transparent);
  animation: knowledge-loading-pulse 1.2s ease-in-out infinite alternate;
}

.knowledge-loading-line:nth-child(2) {
  width: min(72%, 330px);
}

.knowledge-error-state {
  justify-items: start;
}

.knowledge-data-unavailable {
  color: var(--knowledge-muted);
}

@keyframes knowledge-loading-pulse {
  from { opacity: 0.45; }
  to { opacity: 1; }
}

.knowledge-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.knowledge-index-item {
  min-height: 120px;
  padding: 17px;
  display: flex;
  flex-direction: column;
  color: var(--knowledge-text);
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  text-align: left;
}

.knowledge-index-item strong {
  font-size: 16px;
}

.knowledge-index-item span {
  margin-top: auto;
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-archive-year {
  margin-top: 20px;
}

.knowledge-archive-year h2 {
  margin: 0 0 9px;
  font-size: 20px;
}

.knowledge-archive-month {
  min-height: 48px;
  padding: 0 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--knowledge-border);
}

.knowledge-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  align-items: start;
  gap: 20px;
}

.knowledge-article {
  min-width: 0;
}

.knowledge-detail-header {
  margin-bottom: 16px;
  padding: 27px;
}

.knowledge-detail-header h1 {
  margin: 12px 0 9px;
  font-size: clamp(28px, 4vw, 42px);
}

.knowledge-detail-header > p {
  color: var(--knowledge-muted);
  line-height: 1.7;
}

.knowledge-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-solution-info {
  margin-bottom: 16px;
  padding: 20px;
}

.knowledge-solution-info h2 {
  margin: 0 0 13px;
  font-size: 18px;
}

.knowledge-solution-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.knowledge-solution-info dl div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.knowledge-solution-info dt {
  color: var(--knowledge-muted);
  font-size: 10px;
}

.knowledge-solution-info dd {
  margin: 0;
  font-size: 13px;
}

.knowledge-detail-body {
  width: 100%;
  max-width: 920px;
  padding: clamp(22px, 4vw, 42px);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.knowledge-detail-body > *:first-child {
  margin-top: 0;
}

.knowledge-detail-body h2,
.knowledge-detail-body h3,
.knowledge-detail-body h4 {
  scroll-margin-top: 100px;
}

.knowledge-detail-body h2 {
  margin: 34px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-detail-body h3 {
  margin: 25px 0 9px;
}

.knowledge-detail-body h4 {
  margin: 20px 0 8px;
  font-size: 16px;
}

.knowledge-detail-body p,
.knowledge-detail-body li {
  color: color-mix(in srgb, var(--knowledge-text) 88%, var(--knowledge-muted));
}

.knowledge-detail-body blockquote,
.knowledge-callout {
  margin: 18px 0;
  padding: 13px 16px;
  background: var(--knowledge-primary-soft);
  border-left: 4px solid var(--knowledge-primary);
  border-radius: 0 var(--knowledge-radius-small) var(--knowledge-radius-small) 0;
}

.knowledge-detail-body code {
  padding: 2px 5px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border-radius: 4px;
}

.knowledge-detail-body pre {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  padding: 17px;
  color: #dce6f2;
  background: var(--knowledge-code-bg);
  border-radius: 0 0 var(--knowledge-radius-small) var(--knowledge-radius-small);
}

.knowledge-detail-body pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

.knowledge-detail-body table {
  width: max-content;
  min-width: 100%;
  max-width: 100%;
  margin: 18px 0;
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
}

.knowledge-detail-body th,
.knowledge-detail-body td {
  padding: 9px 11px;
  border: 1px solid var(--knowledge-border);
  text-align: left;
}

.knowledge-detail-body a {
  color: var(--knowledge-primary);
  text-underline-offset: 3px;
}

.knowledge-detail-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
}

.knowledge-detail-body hr {
  margin: 30px 0;
  border: 0;
  border-top: 1px solid var(--knowledge-border);
}

.knowledge-detail-body input[type="checkbox"] {
  margin-right: 7px;
}

.knowledge-image-error {
  display: block;
  padding: 18px;
  color: var(--knowledge-muted);
  background: var(--knowledge-primary-soft);
  border: 1px dashed var(--knowledge-border);
  text-align: center;
}

.knowledge-code-block {
  max-width: 100%;
  margin: 20px 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--knowledge-muted) 28%, transparent);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-code-toolbar {
  min-height: 36px;
  padding: 0 9px 0 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #9fb0c4;
  background: color-mix(in srgb, var(--knowledge-code-bg) 92%, #ffffff);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: Consolas, "Cascadia Code", monospace;
  font-size: 11px;
}

.knowledge-code-copy {
  min-width: 58px;
  min-height: 26px;
  color: #dce6f2;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
}

.knowledge-media-placeholder,
.knowledge-formula-placeholder,
.knowledge-mermaid-placeholder {
  min-height: 130px;
  margin: 18px 0;
  display: grid;
  place-items: center;
  color: var(--knowledge-muted);
  background: var(--knowledge-primary-soft);
  border: 1px dashed var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  text-align: center;
}

.knowledge-detail-body details {
  margin: 18px 0;
  padding: 11px 13px;
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-detail-aside {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 13px;
}

.knowledge-toc {
  padding: 16px;
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-toc summary {
  font-weight: 700;
}

.knowledge-toc nav {
  margin-top: 11px;
  display: grid;
  gap: 4px;
}

.knowledge-toc button {
  min-height: 30px;
  padding: 0 7px;
  color: var(--knowledge-muted);
  background: transparent;
  border: 0;
  border-radius: var(--knowledge-radius-small);
  text-align: left;
}

.knowledge-toc button:hover,
.knowledge-toc button:focus-visible,
.knowledge-toc button.is-active {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  outline: none;
}

.knowledge-toc button[data-level="3"] {
  padding-left: 18px;
}

.knowledge-toc button[data-level="4"] {
  padding-left: 30px;
}

.knowledge-toc-empty {
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-detail-navigation {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.knowledge-detail-navigation button {
  min-height: 64px;
  padding: 10px 13px;
  color: var(--knowledge-muted);
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  text-align: left;
}

.knowledge-detail-navigation button:last-child {
  text-align: right;
}

.knowledge-related-section {
  margin-top: 24px;
}

.knowledge-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.knowledge-related-card {
  min-height: 110px;
  padding: 14px;
  color: var(--knowledge-text);
  text-align: left;
}

.knowledge-writer-placeholder {
  min-height: 420px;
  display: grid;
  place-content: center;
  gap: 10px;
  text-align: center;
}

.knowledge-writer-placeholder strong {
  font-size: 22px;
}

.knowledge-writer-placeholder p {
  color: var(--knowledge-muted);
}

.knowledge-permission-note {
  max-width: 650px;
  padding: 12px 14px;
  color: var(--knowledge-muted);
  background: var(--knowledge-primary-soft);
  border-radius: var(--knowledge-radius-small);
  font-size: 12px;
}

.knowledge-footer {
  min-height: 100px;
  margin-top: 42px;
  padding: 25px 0 35px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--knowledge-muted);
  border-top: 1px solid var(--knowledge-border);
  font-size: 12px;
}

.knowledge-footer strong {
  color: var(--knowledge-text);
}

.knowledge-footer button {
  margin-left: auto;
  min-height: 34px;
  color: var(--knowledge-muted);
  background: transparent;
}

@media (max-width: 1260px) {
  .knowledge-layout {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .knowledge-right-sidebar {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .knowledge-nav-links button {
    padding: 0 7px;
  }
}

@media (max-width: 1040px) {
  .knowledge-brand > span:last-child {
    display: none;
  }

  .knowledge-nav-links {
    display: none;
  }

  .knowledge-nav-links.is-open {
    width: 100%;
    padding: 8px 0 12px;
    order: 5;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--knowledge-border);
  }

  .knowledge-nav {
    flex-wrap: wrap;
  }

  .knowledge-menu-toggle {
    display: block;
  }

  .knowledge-intro {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .knowledge-search-controls {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .knowledge-nav,
  .knowledge-main,
  .knowledge-footer {
    width: calc(100% - 24px);
  }

  .knowledge-header {
    padding: 8px 0;
  }

  .knowledge-intro {
    padding: 24px;
    grid-template-columns: 1fr;
  }

  .knowledge-art-placeholder {
    height: 170px;
  }

  .knowledge-layout {
    grid-template-columns: 1fr;
  }

  .knowledge-feed {
    order: -2;
  }

  .knowledge-left-sidebar {
    order: -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .knowledge-right-sidebar {
    grid-column: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .knowledge-detail-layout {
    grid-template-columns: 1fr;
  }

  .knowledge-detail-aside {
    position: static;
  }

  .knowledge-solution-info dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .knowledge-nav,
  .knowledge-main,
  .knowledge-footer {
    width: calc(100% - 16px);
  }

  .knowledge-nav {
    min-height: 56px;
    padding: 0 9px;
    gap: 6px;
  }

  .knowledge-brand-mark {
    width: 34px;
    height: 34px;
  }

  #knowledgeSearchButton {
    display: none;
  }

  .knowledge-author-tools summary {
    width: 36px;
    padding: 0;
    justify-content: center;
    overflow: hidden;
    color: transparent;
  }

  .knowledge-author-tools summary::before {
    content: "+";
    color: #ffffff;
    font-size: 20px;
  }

  .knowledge-intro {
    padding: 21px 17px;
  }

  .knowledge-intro h1 {
    font-size: 29px;
  }

  .knowledge-global-search {
    grid-template-columns: 1fr;
  }

  .knowledge-global-search button {
    width: 100%;
  }

  .knowledge-featured-grid,
  .knowledge-post-list.is-grid,
  .knowledge-left-sidebar,
  .knowledge-right-sidebar,
  .knowledge-index-grid,
  .knowledge-related-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-content-card,
  .knowledge-solution-card {
    grid-template-columns: 1fr;
  }

  .knowledge-cover-placeholder {
    min-height: 125px;
  }

  .knowledge-section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .knowledge-view-toggle {
    align-self: stretch;
  }

  .knowledge-view-toggle button {
    flex: 1;
  }

  .knowledge-search-controls {
    grid-template-columns: 1fr;
  }

  .knowledge-solution-info dl {
    grid-template-columns: 1fr;
  }

  .knowledge-detail-header,
  .knowledge-route-shell {
    padding: 18px;
  }

  .knowledge-detail-navigation {
    grid-template-columns: 1fr;
  }

  .knowledge-detail-navigation button:last-child {
    text-align: left;
  }

  .knowledge-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .knowledge-footer button {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .knowledge-loading-line {
    animation: none;
  }

  .knowledge-content-card,
  .knowledge-solution-card,
  .knowledge-featured-card {
    transition: none;
  }
}