.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 {
  display: none;
}

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

@keyframes knowledge-page-slide-out {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-100%, 0, 0); }
}

@keyframes knowledge-page-slide-in {
  from { transform: translate3d(100%, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}

.knowledge-route-snapshot {
  position: fixed;
  z-index: 45;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--knowledge-bg);
  contain: paint;
  will-change: transform;
}

.knowledge-route-entering {
  animation: knowledge-page-slide-in 520ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.knowledge-route-snapshot.knowledge-route-leaving {
  animation: knowledge-page-slide-out 520ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.knowledge-site.knowledge-route-transitioning,
.knowledge-site.knowledge-route-transitioning .knowledge-main,
.knowledge-site.knowledge-route-transitioning .knowledge-route-view {
  scroll-behavior: auto;
  overflow-anchor: none;
}

.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-logo {
  width: 138px;
  height: auto;
  display: block;
}

.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: 6px;
}

.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-menu {
  position: relative;
}

.knowledge-nav-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.knowledge-nav-menu-trigger > span {
  color: var(--knowledge-muted);
  font-size: 12px;
  transition: transform 140ms ease;
}

.knowledge-nav-menu.is-open .knowledge-nav-menu-trigger > span {
  transform: rotate(180deg);
}

.knowledge-nav-submenu {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  z-index: 6;
  width: 320px;
  padding: 9px;
  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-nav-submenu[hidden] {
  display: none;
}

#knowledgeArticleMenu button,
#knowledgeAboutMenu button {
  grid-template-columns: 28px minmax(0, 1fr);
}

.knowledge-nav-submenu a,
.knowledge-nav-submenu button {
  width: 100%;
  min-height: 42px;
  padding: 0 10px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  color: var(--knowledge-text);
  background: transparent;
  border: 0;
  border-radius: var(--knowledge-radius-small);
  font: 14px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  text-align: left;
  text-decoration: none;
}

.knowledge-nav-submenu a:hover,
.knowledge-nav-submenu a:focus-visible,
.knowledge-nav-submenu button:not(:disabled):hover,
.knowledge-nav-submenu button:not(:disabled):focus-visible {
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  outline: none;
}

.knowledge-nav-menu-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border-radius: var(--knowledge-radius-small);
  font-size: 10px;
  font-weight: 800;
}

.knowledge-site[data-language="zh"] .knowledge-nav-menu-icon[data-icon-zh]::before {
  content: attr(data-icon-zh);
}

.knowledge-site[data-language="en"] .knowledge-nav-menu-icon[data-icon-en]::before {
  content: attr(data-icon-en);
}

.knowledge-nav-external,
.knowledge-nav-submenu small {
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-nav-submenu button:disabled,
.knowledge-nav-submenu a[aria-disabled="true"] {
  color: var(--knowledge-muted);
  cursor: default;
  opacity: 0.58;
}

.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-submenu button:disabled:hover {
  color: var(--knowledge-muted);
  background: transparent;
}

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

.knowledge-legacy-nav-controls {
  display: none !important;
}

.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-guest-auth {
  position: relative;
  width: 168px;
  aspect-ratio: 942 / 265;
  flex: 0 0 auto;
}

.knowledge-guest-auth[hidden] {
  display: none;
}

.knowledge-guest-auth img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
}

.knowledge-guest-auth button {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 10px;
}

.knowledge-guest-auth button:first-of-type {
  left: 0;
}

.knowledge-guest-auth button:last-of-type {
  right: 0;
}

.knowledge-guest-auth button:focus-visible {
  outline: 2px solid var(--knowledge-primary);
  outline-offset: 2px;
}

.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;
  cursor: pointer;
}

#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;
  transition: transform 180ms ease, box-shadow 180ms ease;
  transform-origin: center;
}

.knowledge-account-menu summary:hover #knowledgeAccountInitial,
.knowledge-account-menu summary:focus-visible #knowledgeAccountInitial,
.knowledge-account-menu[open] #knowledgeAccountInitial {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--knowledge-primary-soft), 0 8px 22px rgba(0, 0, 0, 0.24);
}

.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-admin-controls {
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(150px, 220px);
  gap: 8px;
}

.knowledge-admin-controls input,
.knowledge-admin-controls select {
  min-width: 0;
  min-height: 42px;
  padding: 0 11px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font: 14px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-admin-list {
  display: grid;
  gap: 10px;
}

.knowledge-invitation-workspace,
.knowledge-invitation-list {
  display: grid;
  gap: 14px;
}

.knowledge-invitation-form {
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
  gap: 14px;
  align-items: end;
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-invitation-form label {
  display: grid;
  gap: 7px;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-invitation-form input {
  min-width: 0;
  min-height: 42px;
  padding: 0 11px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font: 14px "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.knowledge-invitation-message,
.knowledge-invitation-reveal {
  grid-column: 1 / -1;
  margin: 0;
}

.knowledge-invitation-message.is-error {
  color: #ef8e8e;
}

.knowledge-invitation-reveal {
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--knowledge-surface-solid);
  border: 1px solid color-mix(in srgb, var(--knowledge-accent) 55%, var(--knowledge-border));
}

.knowledge-invitation-reveal[hidden] {
  display: none;
}

.knowledge-invitation-reveal code {
  overflow-wrap: anywhere;
  color: var(--knowledge-accent);
  font-size: 18px;
}

.knowledge-invitation-row {
  padding: 15px 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-invitation-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.knowledge-invitation-row p {
  margin: 7px 0 0;
  color: var(--knowledge-muted);
  font-size: 12px;
}

@media (max-width: 820px) {
  .knowledge-invitation-form {
    grid-template-columns: 1fr;
  }

  .knowledge-invitation-message,
  .knowledge-invitation-reveal {
    grid-column: 1;
  }
}

.knowledge-admin-row {
  padding: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  background: color-mix(in srgb, var(--knowledge-surface) 78%, transparent);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-admin-row-content,
.knowledge-admin-row-title {
  min-width: 0;
}

.knowledge-admin-row-title {
  display: flex;
  align-items: center;
  gap: 9px;
}

.knowledge-admin-row-title h2 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-size: 17px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.knowledge-admin-row-content > p {
  margin: 7px 0;
  overflow: hidden;
  color: var(--knowledge-muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.knowledge-admin-row-meta,
.knowledge-admin-row-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.knowledge-admin-row-meta {
  color: var(--knowledge-muted);
  font-size: 11px;
}

.knowledge-admin-row-actions {
  max-width: 410px;
  justify-content: flex-end;
}

.knowledge-admin-status {
  flex: 0 0 auto;
  padding: 3px 7px;
  color: var(--knowledge-muted);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: 3px;
  font-size: 11px;
}

.knowledge-admin-status.is-published {
  color: #84c995;
  border-color: color-mix(in srgb, #84c995 45%, transparent);
}

.knowledge-admin-status.is-deleted,
.knowledge-route-button.is-danger,
.knowledge-admin-row-error {
  color: #ef8e8e;
}

.knowledge-route-button.is-danger {
  border-color: color-mix(in srgb, #ef8e8e 42%, var(--knowledge-border));
}

.knowledge-admin-row-error {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12px;
}

.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-layout {
  margin-top: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  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-cute-image-panel {
  aspect-ratio: 1 / 1;
  padding: 0;
  overflow: hidden;
  background: var(--knowledge-surface);
}

.knowledge-cute-image-panel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.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: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto 16px;
  display: block;
  object-fit: cover;
  object-position: center;
  color: #ffffff;
  background: var(--knowledge-primary);
  border-radius: 6px;
  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-load-more:not(:disabled):hover {
  color: var(--knowledge-text);
  border-color: color-mix(in srgb, var(--knowledge-primary) 55%, var(--knowledge-border));
}

.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-card > .knowledge-cover-placeholder {
  min-height: 128px;
}

.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-share-link {
  margin-top: 14px;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 8px;
}

.knowledge-share-link > span:first-child {
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-share-link input {
  min-width: 0;
  min-height: 40px;
  padding: 0 10px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font: 12px Consolas, "Courier New", monospace;
}

.knowledge-share-status {
  min-width: 48px;
  color: var(--knowledge-primary);
  font-size: 11px;
}

.knowledge-detail-author-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.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-update-panel .knowledge-update-list {
  padding-left: 14px;
}

.knowledge-update-panel .knowledge-update-list li {
  padding-left: 11px;
}

.knowledge-update-panel .knowledge-update-list li::before {
  left: -19px;
}

.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-site[data-route="games"] > .knowledge-main:not(.knowledge-route-snapshot) .knowledge-route-view,
.knowledge-route-snapshot[data-snapshot-route="games"] .knowledge-route-view {
  width: 100%;
  max-width: none;
  height: calc(100vh - 78px);
  min-height: 520px;
  padding: 0;
  overflow: hidden;
}

.knowledge-game-gallery,
.knowledge-game-rail {
  width: 100%;
  height: 100%;
}

.knowledge-game-gallery {
  position: relative;
  overflow: hidden;
  background: var(--knowledge-bg);
}

.knowledge-game-rail {
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--knowledge-primary) transparent;
  overscroll-behavior-y: contain;
}

.knowledge-game-slide {
  --game-accent: #55bde8;
  min-height: 100%;
  padding: clamp(28px, 5vh, 64px) clamp(42px, 9vw, 170px);
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(520px, 1.45fr);
  align-items: center;
  gap: clamp(34px, 6vw, 104px);
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background-color: var(--knowledge-bg);
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-game-slide[data-tone="gold"] { --game-accent: #e5b94f; }
.knowledge-game-slide[data-tone="coral"] { --game-accent: #e47c69; }
.knowledge-game-slide[data-tone="green"] { --game-accent: #67bd91; }

.knowledge-game-heading {
  max-width: 420px;
}

.knowledge-game-heading h1 {
  margin: 10px 0 16px;
  color: var(--knowledge-text);
  font-size: clamp(38px, 5vw, 76px);
  line-height: 1;
}

.knowledge-game-heading p {
  margin: 0;
  color: var(--knowledge-muted);
  font-size: 16px;
  line-height: 1.8;
}

.knowledge-game-window {
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--game-accent) 55%, var(--knowledge-border));
  background: var(--knowledge-panel);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.28);
}

.knowledge-game-titlebar,
.knowledge-game-statusbar {
  min-height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.knowledge-game-titlebar {
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-game-window-identity {
  display: flex;
  align-items: center;
  gap: 11px;
}

.knowledge-game-app-icon {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  color: #071019;
  background: var(--game-accent);
  font-size: 10px;
  font-weight: 800;
}

.knowledge-game-state {
  color: var(--game-accent);
  font-size: 12px;
}

.knowledge-game-stage {
  min-height: clamp(300px, 48vh, 540px);
  padding: clamp(28px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(220px, 1fr);
  align-items: center;
  gap: clamp(24px, 5vw, 70px);
  background-color: color-mix(in srgb, var(--knowledge-bg) 74%, var(--knowledge-panel));
}

.knowledge-game-stage.is-2048 {
  min-height: clamp(430px, 58vh, 620px);
  padding: clamp(20px, 3vw, 42px);
  display: block;
}

.knowledge-2048-mount,
.knowledge-2048 {
  width: 100%;
  height: 100%;
}

.knowledge-2048 {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  gap: 12px;
}

.knowledge-2048-top {
  width: min(100%, 470px);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
}

.knowledge-2048-scores {
  display: flex;
  gap: 8px;
}

.knowledge-2048-scores > div {
  min-width: 84px;
  padding: 7px 12px;
  display: grid;
  place-items: center;
  color: var(--knowledge-text);
  background: var(--knowledge-panel);
  border: 1px solid var(--knowledge-border);
}

.knowledge-2048-scores span {
  color: var(--knowledge-muted);
  font-size: 10px;
  line-height: 1.2;
}

.knowledge-2048-scores strong {
  font-size: 20px;
  line-height: 1.15;
}

.knowledge-2048-restart,
.knowledge-2048-overlay button {
  padding: 0 18px;
  color: #071019;
  background: var(--game-accent);
  border: 1px solid var(--game-accent);
  font-weight: 700;
}

.knowledge-2048-restart:hover,
.knowledge-2048-restart:focus-visible,
.knowledge-2048-overlay button:hover,
.knowledge-2048-overlay button:focus-visible {
  filter: brightness(1.08);
}

.knowledge-2048-board {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1;
  padding: clamp(8px, 1.2vw, 12px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: clamp(7px, 1vw, 11px);
  outline: none;
  background: color-mix(in srgb, var(--knowledge-text) 13%, var(--knowledge-panel));
  border: 1px solid color-mix(in srgb, var(--game-accent) 45%, var(--knowledge-border));
  touch-action: none;
  user-select: none;
}

.knowledge-2048-board:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--game-accent) 45%, transparent);
}

.knowledge-2048-cell {
  min-width: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #17303a;
  background: color-mix(in srgb, var(--knowledge-panel) 84%, var(--knowledge-text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--knowledge-text) 10%, transparent);
  font-size: clamp(22px, 3.2vw, 43px);
  font-weight: 800;
  line-height: 1;
}

.knowledge-2048-cell[data-value="2"] { background: #dff3f5; }
.knowledge-2048-cell[data-value="4"] { background: #cbe9ec; }
.knowledge-2048-cell[data-value="8"] { color: #ffffff; background: #69bec9; }
.knowledge-2048-cell[data-value="16"] { color: #ffffff; background: #4faeba; }
.knowledge-2048-cell[data-value="32"] { color: #ffffff; background: #e18374; }
.knowledge-2048-cell[data-value="64"] { color: #ffffff; background: #d6675a; }
.knowledge-2048-cell[data-value="128"] { color: #17272e; background: #efd67d; font-size: clamp(19px, 2.8vw, 37px); }
.knowledge-2048-cell[data-value="256"] { color: #17272e; background: #e9c85c; font-size: clamp(19px, 2.8vw, 37px); }
.knowledge-2048-cell[data-value="512"] { color: #17272e; background: #dfb73a; font-size: clamp(19px, 2.8vw, 37px); }
.knowledge-2048-cell[data-value="1024"] { color: #ffffff; background: #508f83; font-size: clamp(16px, 2.4vw, 31px); }
.knowledge-2048-cell[data-value="2048"] { color: #ffffff; background: #296d65; font-size: clamp(16px, 2.4vw, 31px); }
.knowledge-2048-cell[data-value="4096"],
.knowledge-2048-cell[data-value="8192"] { color: #ffffff; background: #203947; font-size: clamp(15px, 2.2vw, 28px); }

.knowledge-2048-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  color: var(--knowledge-text);
  background: color-mix(in srgb, var(--knowledge-bg) 82%, transparent);
  backdrop-filter: blur(3px);
}

.knowledge-2048-overlay[hidden] {
  display: none;
}

.knowledge-2048-overlay strong {
  font-size: clamp(28px, 4vw, 48px);
}

.knowledge-2048-overlay button {
  min-height: 40px;
}

.knowledge-2048-help {
  margin: 0;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-game-stage-mark {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--game-accent);
  border: 1px solid var(--game-accent);
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 800;
  line-height: 1;
}

.knowledge-game-stage-copy {
  display: grid;
  gap: 12px;
}

.knowledge-game-stage-copy > span {
  color: var(--game-accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.knowledge-game-stage-copy strong {
  color: var(--knowledge-text);
  font-size: clamp(26px, 3.5vw, 52px);
  line-height: 1.1;
}

.knowledge-game-stage-copy p {
  margin: 0;
  color: var(--knowledge-muted);
  line-height: 1.7;
}

.knowledge-game-statusbar {
  min-height: 38px;
  color: var(--knowledge-muted);
  border-top: 1px solid var(--knowledge-border);
  font-size: 11px;
}

.knowledge-game-pagination {
  position: absolute;
  right: 24px;
  top: 50%;
  z-index: 3;
  display: grid;
  gap: 10px;
  transform: translateY(-50%);
}

.knowledge-game-pagination button {
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--knowledge-muted);
  background: var(--knowledge-panel);
  border: 1px solid var(--knowledge-border);
  font-size: 10px;
}

.knowledge-game-pagination button:hover,
.knowledge-game-pagination button:focus-visible,
.knowledge-game-pagination button.is-active {
  color: #071019;
  background: var(--knowledge-primary);
  border-color: var(--knowledge-primary);
}

.knowledge-game-wheel-hint {
  position: absolute;
  left: 50%;
  bottom: 16px;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 3px;
  color: var(--knowledge-muted);
  transform: translateX(-50%);
  pointer-events: none;
}

.knowledge-game-wheel-hint span {
  color: var(--knowledge-primary);
  font-size: 22px;
}

.knowledge-game-wheel-hint small {
  font-size: 11px;
}

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

.knowledge-profile-card {
  max-width: 680px;
  margin-top: 24px;
  padding: 24px;
  display: grid;
  gap: 22px;
  background: var(--knowledge-surface-strong);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
}

.knowledge-profile-identity {
  display: flex;
  align-items: center;
  gap: 18px;
}

.knowledge-profile-avatar {
  width: 72px;
  height: 72px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--knowledge-secondary);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--knowledge-primary-soft);
  font-size: 22px;
  font-weight: 700;
}

.knowledge-profile-copy {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.knowledge-profile-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 22px;
}

.knowledge-profile-copy span {
  color: var(--knowledge-muted);
}

.knowledge-profile-actions {
  padding-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--knowledge-border);
}

.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-about-shell {
  overflow: hidden;
}

.knowledge-about-profile {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(8px, 2vw, 24px);
}

.knowledge-about-portrait {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
  border: 1px solid var(--knowledge-border);
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .2);
}

.knowledge-about-introduction {
  min-width: 0;
}

.knowledge-about-eyebrow {
  color: var(--knowledge-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.knowledge-about-introduction h2 {
  margin: 8px 0 14px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1;
}

.knowledge-about-introduction > p {
  max-width: 650px;
  color: var(--knowledge-muted);
  line-height: 1.8;
}

.knowledge-about-lead {
  margin-bottom: 4px;
  color: var(--knowledge-text) !important;
  font-size: clamp(18px, 2vw, 24px);
}

.knowledge-about-stats {
  margin: 28px 0 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--knowledge-border);
}

.knowledge-about-stats > div {
  padding: 18px 12px;
  text-align: center;
}

.knowledge-about-stats > div + div {
  border-left: 1px solid var(--knowledge-border);
}

.knowledge-about-stats dd {
  margin: 0 0 5px;
  color: var(--knowledge-text);
  font-size: 24px;
  font-weight: 750;
}

.knowledge-about-stats dt {
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.knowledge-about-links a {
  padding: 9px 12px;
  color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
  border: 1px solid color-mix(in srgb, var(--knowledge-primary) 24%, transparent);
  border-radius: 6px;
  text-decoration: none;
  font-size: 13px;
}

.knowledge-about-links a:hover,
.knowledge-about-links a:focus-visible {
  color: #fff;
  background: var(--knowledge-primary);
  outline: none;
}

.knowledge-about-details {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.knowledge-about-card {
  min-height: 190px;
  padding: 24px;
  background: var(--knowledge-bg);
  border: 1px solid var(--knowledge-border);
  border-radius: 10px;
}

.knowledge-about-card > span {
  color: var(--knowledge-primary);
  font: 700 12px/1 "Segoe UI", sans-serif;
}

.knowledge-about-card h3 {
  margin: 24px 0 10px;
  font-size: 22px;
}

.knowledge-about-card p {
  margin: 0;
  color: var(--knowledge-muted);
  line-height: 1.8;
}

.knowledge-contest-shell { overflow: hidden; }

.knowledge-contest-toolbar {
  display: grid;
  grid-template-columns: auto minmax(170px, 220px) minmax(220px, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}

.knowledge-contest-segments {
  display: flex;
  min-height: 42px;
  border: 1px solid var(--knowledge-border);
  background: var(--knowledge-surface-solid);
}

.knowledge-contest-scope-label {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--knowledge-accent);
  background: color-mix(in srgb, var(--knowledge-accent) 18%, transparent);
  color: var(--knowledge-text);
  font-weight: 700;
}

.knowledge-contest-segments button,
.knowledge-contest-refresh {
  min-height: 42px;
  padding: 0 14px;
  color: var(--knowledge-muted);
  background: transparent;
  border: 0;
  border-radius: 0;
}

.knowledge-contest-segments button + button { border-left: 1px solid var(--knowledge-border); }

.knowledge-contest-segments button:hover,
.knowledge-contest-segments button:focus-visible,
.knowledge-contest-segments button.is-active {
  color: #ffffff;
  background: var(--knowledge-primary);
}

.knowledge-contest-select,
.knowledge-contest-search {
  min-width: 0;
  min-height: 42px;
  padding: 0 12px;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-solid);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-contest-refresh {
  color: var(--knowledge-primary);
  border: 1px solid var(--knowledge-border);
  background: var(--knowledge-surface-solid);
}

.knowledge-contest-refresh:hover,
.knowledge-contest-refresh:focus-visible {
  color: #ffffff;
  background: var(--knowledge-primary);
}

.knowledge-contest-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 8px;
  border-top: 1px solid var(--knowledge-border);
  border-bottom: 1px solid var(--knowledge-border);
}

.knowledge-contest-summary > div {
  padding: 16px;
  color: var(--knowledge-muted);
  white-space: pre-line;
  text-align: center;
  line-height: 1.5;
}

.knowledge-contest-summary > div::first-line {
  color: var(--knowledge-text);
  font-size: 22px;
  font-weight: 700;
}

.knowledge-contest-summary > div + div { border-left: 1px solid var(--knowledge-border); }

.knowledge-contest-notice {
  min-height: 22px;
  margin: 8px 0;
  color: #d99a52;
  font-size: 13px;
}

.knowledge-contest-list { display: grid; }

.knowledge-contest-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 4px;
  border-top: 1px solid var(--knowledge-border);
}

.knowledge-contest-card:last-child { border-bottom: 1px solid var(--knowledge-border); }

.knowledge-contest-date {
  display: grid;
  gap: 3px;
  padding-left: 14px;
  border-left: 3px solid var(--knowledge-primary);
}

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

.knowledge-contest-date span,
.knowledge-contest-card-body p {
  color: var(--knowledge-muted);
  font-size: 13px;
}

.knowledge-contest-card-body { min-width: 0; }

.knowledge-contest-card-body h2 {
  margin: 8px 0 7px;
  overflow-wrap: anywhere;
  font-size: 18px;
  line-height: 1.4;
}

.knowledge-contest-card-body p { margin: 0; }

.knowledge-contest-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.knowledge-contest-meta span {
  padding: 3px 7px;
  color: var(--knowledge-muted);
  background: var(--knowledge-primary-soft);
  border: 1px solid var(--knowledge-border);
  font-size: 11px;
}

.knowledge-contest-card[data-status="running"] .knowledge-contest-status { color: #71c99a; }

.knowledge-contest-xcpc {
  color: var(--knowledge-primary) !important;
  font-weight: 700;
}

.knowledge-contest-link {
  padding: 9px 12px;
  color: var(--knowledge-primary);
  border: 1px solid var(--knowledge-border);
  text-decoration: none;
}

.knowledge-contest-link:hover,
.knowledge-contest-link:focus-visible {
  color: #ffffff;
  background: var(--knowledge-primary);
}

.knowledge-contest-state {
  min-height: 220px;
  display: grid;
  place-content: center;
  gap: 8px;
  color: var(--knowledge-muted);
  text-align: center;
}

.knowledge-contest-state strong { color: var(--knowledge-text); }
.knowledge-contest-state.is-error { color: #e06c75; }

.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-search-results.is-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.knowledge-search-results.is-grid .knowledge-content-card {
  grid-template-columns: 1fr;
}

.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-comments {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 28px;
  padding: 20px;
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
}

.knowledge-comments-title {
  margin: 0 0 16px;
  font-size: 22px;
}

.knowledge-comments-status,
.knowledge-comments-empty,
.knowledge-comment-form-status {
  color: var(--knowledge-muted);
}

.knowledge-comments-status.is-error,
.knowledge-comment-form-status {
  font-size: 12px;
}

.knowledge-comments-login,
.knowledge-comment-header,
.knowledge-comment-actions,
.knowledge-comment-form {
  display: flex;
  align-items: center;
  gap: 10px;
}

.knowledge-comments-login {
  justify-content: space-between;
  margin-bottom: 16px;
  color: var(--knowledge-muted);
}

.knowledge-comment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: 20px;
  align-items: center;
}

.knowledge-comment-form.is-reply {
  margin: 12px 0 0;
}

.knowledge-comment-input {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  min-height: 92px;
  padding: 12px 14px;
  resize: vertical;
  color: var(--knowledge-text);
  background: var(--knowledge-surface-strong);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
  font: inherit;
  line-height: 1.6;
}

.knowledge-comment-form-status {
  grid-column: 1;
}

.knowledge-comment-form > .knowledge-route-button {
  grid-column: 2;
  justify-self: end;
}

.knowledge-comment-input:focus {
  outline: 2px solid var(--knowledge-primary-soft);
  border-color: var(--knowledge-primary);
}

.knowledge-comments-list,
.knowledge-comment-replies {
  display: grid;
  gap: 12px;
}

.knowledge-comment-item {
  padding: 14px;
  background: var(--knowledge-surface-strong);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius-small);
}

.knowledge-comment-item.is-reply {
  margin-left: 22px;
  background: var(--knowledge-surface);
}

.knowledge-comment-header {
  justify-content: space-between;
  color: var(--knowledge-muted);
  font-size: 12px;
}

.knowledge-comment-header strong {
  color: var(--knowledge-text);
  font-size: 14px;
}

.knowledge-comment-actions {
  margin-left: auto;
}

.knowledge-comment-actions button {
  padding: 2px 5px;
  color: var(--knowledge-primary);
  background: transparent;
  border: 0;
}

.knowledge-comment-actions button.is-danger {
  color: #e36a75;
}

.knowledge-comment-content {
  margin: 10px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.7;
}

.knowledge-comment-replies {
  margin-top: 12px;
}

.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-cover {
  width: 100%;
  max-height: 560px;
  margin: 0 0 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--knowledge-surface);
  border: 1px solid var(--knowledge-border);
  border-radius: var(--knowledge-radius);
  box-shadow: var(--knowledge-shadow);
}

.knowledge-detail-cover img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
}

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

.knowledge-detail-body .katex-display {
  margin: 1.35em 0;
  padding: 4px 0;
  overflow-x: auto;
  overflow-y: hidden;
  text-align: center;
}

.knowledge-detail-body .katex {
  color: var(--knowledge-text);
  font-size: 1.05em;
}

.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;
}

.knowledge-footer .knowledge-back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 42px);
  bottom: clamp(16px, 3vw, 42px);
  z-index: 70;
  width: 88px;
  height: 88px;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  background: transparent;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  transform: translateY(16px) scale(0.9);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.knowledge-footer .knowledge-back-to-top.is-visible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.knowledge-footer .knowledge-back-to-top:hover,
.knowledge-footer .knowledge-back-to-top:focus-visible {
  transform: translateY(-3px) scale(1.04);
  outline: 2px solid var(--knowledge-primary);
  outline-offset: 3px;
}

.knowledge-back-to-top img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

@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%;
    max-height: calc(100vh - 92px);
    padding: 8px 0 12px;
    order: 5;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--knowledge-border);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .knowledge-nav-menu {
    position: static;
    grid-column: 1 / -1;
  }

  .knowledge-nav-menu-trigger {
    width: 100%;
    justify-content: space-between;
  }

  .knowledge-nav-submenu {
    position: static;
    width: 100%;
    margin-top: 2px;
    box-shadow: none;
  }

  .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;
  }

  .knowledge-game-slide {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 24px;
  }

  .knowledge-game-heading {
    max-width: 720px;
  }
}

@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-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));
  }

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

  .knowledge-admin-row-actions {
    max-width: none;
    justify-content: flex-start;
  }

  .knowledge-share-link {
    grid-template-columns: 1fr auto;
  }

  .knowledge-share-link > span:first-child,
  .knowledge-share-status {
    grid-column: 1 / -1;
  }
}

@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;
  }

  .knowledge-brand-logo {
    width: 88px;
  }

  .knowledge-guest-auth {
    width: 94px;
  }

  #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-admin-controls {
    grid-template-columns: 1fr;
  }

  .knowledge-admin-row-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .knowledge-admin-row-title h2,
  .knowledge-admin-row-content > p {
    overflow: visible;
    white-space: normal;
  }

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

  .knowledge-share-link > span:first-child,
  .knowledge-share-status {
    grid-column: auto;
  }

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

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

  .knowledge-featured-grid,
  .knowledge-post-list.is-grid,
  .knowledge-search-results.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 (max-width: 820px) {
  .knowledge-contest-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .knowledge-contest-segments,
  .knowledge-contest-search {
    grid-column: 1 / -1;
  }

  .knowledge-contest-segments button { flex: 1; }

  .knowledge-contest-card {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
  }

  .knowledge-contest-link {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 520px) {
  .knowledge-contest-toolbar { grid-template-columns: 1fr; }
  .knowledge-contest-toolbar > * { grid-column: 1; }
  .knowledge-contest-card { grid-template-columns: 1fr; }
  .knowledge-contest-date { grid-template-columns: auto 1fr; align-items: baseline; }
  .knowledge-contest-link { grid-column: 1; }
  .knowledge-contest-summary > div { padding: 12px 6px; font-size: 11px; }
}

@media (max-width: 780px) {
  .knowledge-about-profile {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .knowledge-about-portrait {
    width: min(100%, 420px);
    margin: 0 auto;
  }

  .knowledge-about-introduction {
    text-align: center;
  }

  .knowledge-about-introduction > p {
    margin-inline: auto;
  }

  .knowledge-about-links {
    justify-content: center;
  }

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

@media (max-width: 430px) {
  .knowledge-about-introduction h2 {
    font-size: 42px;
  }

  .knowledge-about-stats > div {
    padding-inline: 6px;
  }

  .knowledge-about-card {
    min-height: 0;
  }
}

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

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

/* Mizuki-inspired publishing layout. Existing data and route behavior remain unchanged. */
.knowledge-site {
  --knowledge-banner-image: url("131135880_p0_master1200.jpg");
  --knowledge-bg: #eef3f8;
  --knowledge-bg-deep: #dfe8f1;
  --knowledge-surface: rgba(255, 255, 255, 0.9);
  --knowledge-surface-solid: #ffffff;
  --knowledge-surface-hover: #f5f8fc;
  --knowledge-border: rgba(65, 83, 106, 0.14);
  --knowledge-text: #263242;
  --knowledge-muted: #68778b;
  --knowledge-primary: #4f91d8;
  --knowledge-primary-soft: #e2effc;
  --knowledge-secondary: #65ad91;
  --knowledge-shadow: 0 10px 28px rgba(37, 55, 76, 0.1);
  --knowledge-content-width: 1380px;
  background: var(--knowledge-bg);
}

.knowledge-site[data-theme="dark"] {
  --knowledge-bg: #081018;
  --knowledge-bg-deep: #101a24;
  --knowledge-surface: rgba(22, 31, 41, 0.92);
  --knowledge-surface-solid: #17212c;
  --knowledge-surface-hover: #1d2a37;
  --knowledge-border: rgba(179, 199, 220, 0.12);
  --knowledge-text: #edf4fb;
  --knowledge-muted: #a5b3c3;
  --knowledge-primary: #69b7ff;
  --knowledge-primary-soft: rgba(82, 156, 230, 0.18);
  --knowledge-secondary: #75c8aa;
  --knowledge-shadow: 0 12px 32px rgba(0, 0, 0, 0.26);
}

@media (prefers-color-scheme: dark) {
  .knowledge-site:not([data-theme="light"]) {
    --knowledge-bg: #081018;
    --knowledge-bg-deep: #101a24;
    --knowledge-surface: rgba(22, 31, 41, 0.92);
    --knowledge-surface-solid: #17212c;
    --knowledge-surface-hover: #1d2a37;
    --knowledge-border: rgba(179, 199, 220, 0.12);
    --knowledge-text: #edf4fb;
    --knowledge-muted: #a5b3c3;
    --knowledge-primary: #69b7ff;
    --knowledge-primary-soft: rgba(82, 156, 230, 0.18);
    --knowledge-secondary: #75c8aa;
    --knowledge-shadow: 0 12px 32px rgba(0, 0, 0, 0.26);
  }
}

.knowledge-backdrop {
  background: var(--knowledge-bg);
}

.knowledge-backdrop::before,
.knowledge-backdrop::after {
  display: none;
}

.knowledge-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  padding: 16px 0;
  background: transparent;
  backdrop-filter: none;
  transition: background 180ms ease, padding 180ms ease;
}

.knowledge-site:not([data-route="home"]) .knowledge-header {
  padding: 10px 0;
  background: color-mix(in srgb, var(--knowledge-bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.knowledge-nav {
  min-height: 58px;
  padding: 0 16px;
  gap: 18px;
  color: #f5f8fc;
  background: transparent;
  border-color: transparent;
  border-radius: 14px;
  box-shadow: none;
  backdrop-filter: none;
}

.knowledge-brand,
.knowledge-brand strong,
.knowledge-nav-links > button,
.knowledge-nav-menu-trigger,
.knowledge-icon-button,
.knowledge-language-button,
.knowledge-menu-toggle,
.knowledge-author-tools summary,
.knowledge-account-menu summary {
  color: #f5f8fc;
}

.knowledge-brand small,
.knowledge-nav-links > button,
.knowledge-nav-menu-trigger,
.knowledge-icon-button {
  color: rgba(245, 248, 252, 0.72);
}

.knowledge-brand-mark {
  width: 36px;
  height: 36px;
  background: #5da9ee;
  border-radius: 9px;
}

.knowledge-nav-links > button:hover,
.knowledge-nav-links > button:focus-visible,
.knowledge-nav-links > button.is-active,
.knowledge-nav-menu-trigger:hover,
.knowledge-nav-menu-trigger:focus-visible,
.knowledge-nav-menu-trigger.is-active,
.knowledge-icon-button:hover,
.knowledge-language-button:hover {
  color: #ffffff;
  background: rgba(105, 183, 255, 0.2);
}

.knowledge-language-button,
.knowledge-author-tools summary {
  background: rgba(105, 183, 255, 0.2);
}

.knowledge-main {
  width: 100%;
  min-height: 100vh;
}

.knowledge-home-view {
  width: 100%;
}

.knowledge-intro {
  position: relative;
  min-height: clamp(680px, 88svh, 920px);
  padding: 142px max(32px, 5vw) 190px;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center stretch;
  isolation: isolate;
  overflow: hidden;
  color: #ffffff;
  background-color: #173047;
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
}

.knowledge-hero-slides,
.knowledge-hero-slide {
  position: absolute;
  inset: 0;
}

.knowledge-hero-slides {
  z-index: -3;
  overflow: hidden;
  background: #173047;
}

.knowledge-hero-slide {
  opacity: 0;
  background-position: center 42%;
  background-repeat: no-repeat;
  background-size: cover;
  transform: scale(1.08);
  transition: opacity 1600ms ease-in-out;
  will-change: opacity;
}

.knowledge-hero-slide:nth-child(1) {
  background-image: url("assets/knowledge/hero-01.webp");
}

.knowledge-hero-slide:nth-child(2) {
  background-image: url("assets/knowledge/hero-02.webp");
}

.knowledge-hero-slide:nth-child(3) {
  background-image: url("assets/knowledge/hero-03.webp");
}

.knowledge-hero-slide:nth-child(4) {
  background-image: url("assets/knowledge/hero-04.webp");
}

.knowledge-hero-slide.is-active {
  opacity: 1;
}

.knowledge-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 14, 22, 0.76) 0%, rgba(7, 14, 22, 0.58) 38%, rgba(7, 14, 22, 0.16) 72%),
    linear-gradient(180deg, rgba(7, 14, 22, 0.18), rgba(7, 14, 22, 0.34));
}

.knowledge-intro::after {
  display: none;
}

.knowledge-intro-copy {
  width: min(1280px, 100%);
  margin: 0 auto;
  display: grid;
  justify-items: start;
  text-align: left;
  transform: translateY(-44px);
}

.knowledge-kicker {
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  letter-spacing: 0;
}

.knowledge-intro h1 {
  max-width: 760px;
  margin: 12px 0 10px;
  color: #ffffff;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 1.05;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.34);
}

.knowledge-intro-copy > p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(16px, 2vw, 21px);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.38);
}

.knowledge-global-search {
  width: min(640px, 100%);
  margin-top: 28px;
}

.knowledge-global-search label {
  background: rgba(12, 20, 29, 0.58);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
}

.knowledge-global-search input {
  color: #ffffff;
}

.knowledge-global-search input::placeholder {
  color: rgba(255, 255, 255, 0.66);
}

.knowledge-global-search button {
  background: #5da9ee;
  border-color: #5da9ee;
}

.knowledge-type-links {
  justify-content: flex-start;
}

.knowledge-type-links button {
  color: #ffffff;
  background: rgba(12, 20, 29, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.knowledge-hero-waves {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 1;
  height: 142px;
  overflow: hidden;
  pointer-events: none;
}

.knowledge-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background: var(--knowledge-bg);
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 60C180 20 360 100 540 60S900 100 1080 60S1350 80 1440 60V140H0Z'/%3E%3C/svg%3E");
  -webkit-mask-position: left bottom;
  -webkit-mask-repeat: repeat-x;
  -webkit-mask-size: 50% 100%;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 60C180 20 360 100 540 60S900 100 1080 60S1350 80 1440 60V140H0Z'/%3E%3C/svg%3E");
  mask-position: left bottom;
  mask-repeat: repeat-x;
  mask-size: 50% 100%;
  will-change: transform;
}

.knowledge-wave-back {
  bottom: 24px;
  background: rgba(8, 16, 24, 0.34);
  opacity: 0.72;
  animation: knowledge-wave-drift 18s linear infinite reverse;
}

.knowledge-wave-middle {
  bottom: 10px;
  background: color-mix(in srgb, var(--knowledge-bg) 62%, transparent);
  opacity: 0.58;
  animation: knowledge-wave-drift 24s linear infinite;
}

.knowledge-wave-front {
  bottom: -1px;
  animation: knowledge-wave-drift 32s linear infinite reverse;
}

@keyframes knowledge-wave-drift {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.knowledge-hero-scroll {
  position: absolute;
  bottom: 88px;
  left: 50%;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: rgba(12, 20, 29, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  transform: translateX(-50%);
  backdrop-filter: blur(8px);
}

.knowledge-layout {
  position: relative;
  z-index: 3;
  width: min(var(--knowledge-content-width), calc(100% - 40px));
  margin: -62px auto 0;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
}

.knowledge-left-sidebar,
.knowledge-right-sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
}

.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 {
  border-radius: 14px;
}

.knowledge-panel {
  padding: 18px;
}

.knowledge-author-card {
  padding-top: 18px;
}

.knowledge-author-avatar {
  width: 100%;
  height: auto;
  border: 1px solid color-mix(in srgb, var(--knowledge-surface-solid) 88%, transparent);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.16);
}

.knowledge-feed {
  gap: 24px;
}

.knowledge-feed-section {
  scroll-margin-top: 88px;
}

.knowledge-section-heading {
  padding: 0 4px;
}

.knowledge-section-heading h2 {
  font-size: 24px;
}

.knowledge-section-heading > div > span,
.knowledge-route-kicker {
  color: var(--knowledge-primary);
}

.knowledge-content-card {
  min-height: 190px;
  padding: 16px;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 18px;
}

.knowledge-content-card > .knowledge-cover-placeholder {
  order: 2;
  height: 176px;
  min-height: 0;
  border-style: solid;
}

.knowledge-content-card > .knowledge-content-body {
  order: 1;
}

.knowledge-cover-placeholder {
  background: var(--knowledge-primary-soft);
  border-style: solid;
}

.knowledge-featured-card,
.knowledge-solution-card,
.knowledge-content-card {
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.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(-3px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.18);
}

.knowledge-route-view {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 104px 0 48px;
}

.knowledge-favorite-toolbar {
  display: flex;
  justify-content: flex-end;
  margin: 22px 0 14px;
}

.knowledge-favorite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-favorite-card {
  display: grid;
  grid-template-columns: minmax(150px, 34%) minmax(0, 1fr);
  min-height: 250px;
  overflow: hidden;
  border: 1px solid var(--knowledge-border);
  border-radius: 6px;
  background: var(--knowledge-panel);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.knowledge-favorite-card[data-status="draft"] {
  opacity: 0.7;
  border-style: dashed;
}

.knowledge-favorite-cover {
  min-height: 250px;
  display: grid;
  place-items: center;
  color: var(--knowledge-muted);
  background: var(--knowledge-primary-soft);
  border-right: 1px solid var(--knowledge-border);
  font-size: 13px;
  letter-spacing: 0;
}

.knowledge-favorite-cover img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
}

.knowledge-favorite-body {
  min-width: 0;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.knowledge-favorite-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.knowledge-favorite-heading h2 {
  margin: 0;
  font-size: 23px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.knowledge-favorite-body > p {
  margin: 0;
  color: var(--knowledge-muted);
  line-height: 1.7;
  white-space: pre-wrap;
}

.knowledge-favorite-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.knowledge-favorite-link {
  min-width: 0;
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  padding: 9px 11px;
  color: var(--knowledge-text);
  border: 1px solid var(--knowledge-border);
  border-radius: 3px;
  background: color-mix(in srgb, var(--knowledge-primary-soft) 55%, transparent);
  text-decoration: none;
}

.knowledge-favorite-link:hover,
.knowledge-favorite-link:focus-visible {
  border-color: var(--knowledge-primary);
  background: var(--knowledge-primary-soft);
}

.knowledge-favorite-platform {
  color: var(--knowledge-primary);
  font-size: 12px;
}

.knowledge-favorite-external {
  color: var(--knowledge-muted);
}

.knowledge-favorite-admin-actions,
.knowledge-favorite-form-actions,
.knowledge-favorite-links-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.knowledge-favorite-admin-actions {
  margin-top: 4px;
}

.knowledge-favorite-editor {
  margin: 18px 0;
  padding: 22px;
  border: 1px solid var(--knowledge-border);
  border-radius: 6px;
  background: var(--knowledge-panel);
}

.knowledge-favorite-editor[hidden] {
  display: none;
}

.knowledge-favorite-editor h2,
.knowledge-favorite-editor h3 {
  margin: 0;
}

.knowledge-favorite-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 22px;
}

.knowledge-favorite-field {
  min-width: 0;
  display: grid;
  gap: 7px;
  color: var(--knowledge-muted);
  font-size: 13px;
}

.knowledge-favorite-field.is-wide {
  grid-column: 1 / -1;
}

.knowledge-favorite-field input,
.knowledge-favorite-field textarea,
.knowledge-favorite-field select,
.knowledge-favorite-link-row input {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  color: var(--knowledge-text);
  border: 1px solid var(--knowledge-border);
  border-radius: 3px;
  background: var(--knowledge-bg);
  font: inherit;
}

.knowledge-favorite-field textarea {
  resize: vertical;
}

.knowledge-favorite-links-heading {
  justify-content: space-between;
  margin-bottom: 12px;
}

.knowledge-favorite-link-editor {
  display: grid;
  gap: 9px;
}

.knowledge-favorite-link-row {
  display: grid;
  grid-template-columns: minmax(100px, 0.7fr) minmax(120px, 1fr) minmax(180px, 2fr) 36px;
  gap: 8px;
}

.knowledge-favorite-remove-link {
  width: 36px;
  border: 1px solid var(--knowledge-border);
  border-radius: 3px;
  color: var(--knowledge-text);
  background: transparent;
}

.knowledge-favorite-remove-link:hover {
  border-color: #d35b5b;
  color: #d35b5b;
}

.knowledge-favorite-form-message {
  min-height: 20px;
  margin: 12px 0;
  color: var(--knowledge-primary);
}

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

.knowledge-site::-webkit-scrollbar {
  width: 10px;
}

.knowledge-site::-webkit-scrollbar-track {
  background: var(--knowledge-bg);
}

.knowledge-site::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--knowledge-primary) 42%, var(--knowledge-bg));
  border: 3px solid var(--knowledge-bg);
  border-radius: 10px;
}

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

  .knowledge-right-sidebar {
    position: static;
    grid-column: 1 / -1;
  }
}

@media (max-width: 1040px) {
  .knowledge-nav {
    background: transparent;
  }

  .knowledge-footer .knowledge-back-to-top {
    width: 70px;
    height: 70px;
  }

  .knowledge-intro {
    min-height: clamp(640px, 86svh, 820px);
    padding-top: 118px;
  }
}

@media (max-width: 780px) {
  .knowledge-header {
    padding: 8px 0;
  }

  .knowledge-nav {
    width: calc(100% - 20px);
  }

  .knowledge-intro {
    min-height: clamp(620px, 88svh, 760px);
    padding: 108px 18px 145px;
    place-items: center;
  }

  .knowledge-intro-copy {
    width: 100%;
    justify-items: center;
    text-align: center;
    transform: none;
  }

  .knowledge-hero-slide {
    transform: scale(1.06);
  }

  .knowledge-hero-slide:nth-child(1) {
    background-position: 68% center;
  }

  .knowledge-hero-slide:nth-child(2) {
    background-position: 52% center;
  }

  .knowledge-hero-slide:nth-child(3) {
    background-position: 56% center;
  }

  .knowledge-hero-slide:nth-child(4) {
    background-position: 50% center;
  }

  .knowledge-intro h1 {
    font-size: clamp(38px, 11vw, 56px);
  }

  .knowledge-intro-copy > p {
    font-size: 16px;
  }

  .knowledge-type-links {
    justify-content: center;
  }

  .knowledge-hero-waves {
    height: 112px;
  }

  .knowledge-layout {
    width: calc(100% - 24px);
    margin-top: -45px;
    grid-template-columns: 1fr;
  }

  .knowledge-left-sidebar,
  .knowledge-right-sidebar {
    position: static;
  }

  .knowledge-feed {
    order: -2;
  }

  .knowledge-left-sidebar {
    order: -1;
  }

  .knowledge-route-view {
    width: calc(100% - 24px);
    padding-top: 88px;
  }

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

  .knowledge-favorite-link-row {
    grid-template-columns: 1fr 1fr 36px;
  }

  .knowledge-favorite-link-row input[type="url"] {
    grid-column: 1 / 3;
  }

  .knowledge-site[data-route="games"] > .knowledge-main:not(.knowledge-route-snapshot) .knowledge-route-view,
  .knowledge-route-snapshot[data-snapshot-route="games"] .knowledge-route-view {
    height: calc(100vh - 72px);
    min-height: 480px;
    padding-top: 0;
  }

  .knowledge-game-slide {
    padding: 34px 48px 52px 18px;
  }

  .knowledge-game-heading h1 {
    font-size: 36px;
  }

  .knowledge-game-stage {
    min-height: 280px;
    padding: 24px;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
  }

  .knowledge-game-stage.is-2048 {
    min-height: 390px;
    padding: 16px;
  }

  .knowledge-2048-board {
    width: min(100%, 360px);
  }

  .knowledge-2048-top {
    width: min(100%, 360px);
  }

  .knowledge-game-pagination {
    right: 8px;
  }
}

@media (max-width: 520px) {
  .knowledge-intro {
    min-height: 520px;
    padding: 96px 14px 132px;
  }

  .knowledge-intro h1 {
    font-size: 38px;
  }

  .knowledge-game-slide {
    padding: 24px 42px 46px 14px;
  }

  .knowledge-game-heading p,
  .knowledge-game-stage-copy p {
    font-size: 13px;
  }

  .knowledge-game-stage {
    min-height: 260px;
    grid-template-columns: 1fr;
  }

  .knowledge-game-stage.is-2048 {
    min-height: 350px;
    padding: 12px;
  }

  .knowledge-2048-top {
    gap: 6px;
  }

  .knowledge-2048-scores {
    gap: 5px;
  }

  .knowledge-2048-scores > div {
    min-width: 62px;
    padding: 5px 7px;
  }

  .knowledge-2048-restart {
    padding: 0 10px;
    font-size: 12px;
  }

  .knowledge-game-stage-mark {
    width: 86px;
  }

  .knowledge-global-search {
    margin-top: 20px;
  }

  .knowledge-type-links {
    max-height: 66px;
    overflow: hidden;
  }

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

  .knowledge-content-card > .knowledge-cover-placeholder,
  .knowledge-content-card > .knowledge-content-body {
    order: initial;
  }

  .knowledge-content-card > .knowledge-cover-placeholder {
    height: 210px;
    min-height: 0;
  }

  .knowledge-favorite-card,
  .knowledge-favorite-form-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-favorite-cover,
  .knowledge-favorite-cover img {
    min-height: 220px;
    max-height: 320px;
  }

  .knowledge-favorite-cover {
    border-right: 0;
    border-bottom: 1px solid var(--knowledge-border);
  }

  .knowledge-favorite-field.is-wide {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .knowledge-route-entering,
  .knowledge-route-snapshot.knowledge-route-leaving {
    animation-duration: 1ms;
  }

  .knowledge-hero-slide {
    transition: none;
  }

  .knowledge-wave {
    animation: none;
  }
}