.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  padding: 5px;
  scrollbar-width: thin;
}

.tab-list [role="tab"] {
  display: inline-flex;
  min-width: max-content;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding: 9px 17px;
  font-weight: 700;
  cursor: pointer;
}

.tab-list [role="tab"]:hover {
  color: var(--color-text);
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].active {
  background: var(--color-engine);
  color: var(--color-engine-text);
}

[role="tabpanel"][hidden] {
  display: none;
}

.tab-panel {
  margin-top: 24px;
}

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  max-width: 100%;
  gap: 7px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  padding: 6px;
  box-shadow: var(--shadow-soft);
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
}

.toc-tabs a:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.faq-list {
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--color-text);
  cursor: pointer;
  font-size: 17px;
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 28px;
  text-align: center;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 800px;
  padding: 0 50px 24px 0;
  color: var(--color-text-muted);
}

.glossary-card {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) minmax(0, 1fr);
  gap: 28px;
  border-top: 1px solid var(--color-border);
  padding: 27px 0;
}

.glossary-term {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 750;
}

.glossary-card p {
  color: var(--color-text-muted);
}

.download-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-canvas);
  color: var(--color-text);
  padding: 24px;
}

.download-card + .download-card {
  margin-top: 14px;
}

.download-card-logo {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.download-card-main h3 {
  margin-bottom: 7px;
}

.download-card-main p {
  color: var(--color-text-muted);
}

.download-card-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 10px;
}

.badge-pick,
.badge-recommended,
.badge-retired {
  display: inline-flex;
  max-width: 100%;
  min-height: 26px;
  align-items: center;
  overflow: hidden;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
}

.badge-pick {
  background: var(--color-accent);
  color: var(--color-text);
}

.badge-recommended {
  border: 1px solid var(--color-success);
  background: var(--color-canvas);
  color: var(--color-text);
}

.badge-retired {
  border: 1px solid var(--color-error);
  background: var(--color-canvas);
  color: var(--color-text);
}

[data-cdnver]:empty {
  display: none;
}

.post-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  background: var(--color-canvas);
  color: var(--color-text);
  padding: 25px 0 4px;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.post-card h3 {
  margin-top: 14px;
  font-size: 22px;
}

.post-card h3 a:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-accent-strong);
  text-underline-offset: 0.2em;
}

.post-card p {
  margin-top: 12px;
  color: var(--color-text-muted);
}

.post-card-link {
  margin-top: auto;
  padding-top: 18px;
  color: var(--color-text);
  font-weight: 750;
}

.callout {
  position: relative;
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-accent);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 20px 22px;
}

.callout strong {
  display: block;
  margin-bottom: 5px;
  color: var(--color-text);
}

.callout p {
  color: var(--color-text-muted);
}

.callout-success {
  border-left-color: var(--color-success);
}

.callout-error {
  border-left-color: var(--color-error);
}

.dl-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 80;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text);
  padding: 12px 21px;
  box-shadow: var(--shadow-fab);
  font-size: 14px;
  font-weight: 850;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.dl-fab:hover {
  background: var(--color-accent-strong);
  color: var(--color-text);
  transform: translateY(-2px);
}

.dl-fab svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.article-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  color: var(--color-text);
  padding: clamp(24px, 4vw, 38px);
}

.article-download-card p {
  margin-top: 8px;
  color: var(--color-text-muted);
}

.article-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.platform-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.platform-link:hover {
  color: var(--color-text);
}

.platform-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero-badge {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text);
  padding: 5px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.hero-badge .dot {
  color: var(--color-text);
}

.hero {
  padding-top: 34px;
}

.hero-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-head h1 {
  margin-top: 16px;
}

.hero-sub {
  max-width: 670px;
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 16.5px;
}

.hero-sub strong {
  color: var(--color-text);
}

.hero-head .button-row {
  margin-top: 24px;
}

.hero-head .platform-row {
  margin-top: 26px;
}

.app-stage {
  margin-top: 34px;
}

.app-window {
  overflow: hidden;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-large);
  background: var(--color-engine);
  color: var(--color-engine-text);
  box-shadow: var(--shadow-soft);
}

.window-bar {
  display: flex;
  height: 42px;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--color-engine-line);
  padding: 0 18px;
}

.window-dots {
  display: flex;
  flex-shrink: 0;
  gap: 7px;
}

.window-dots i {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
}

.window-dot-red {
  background: var(--color-error);
}

.window-dot-yellow {
  background: var(--color-warning);
}

.window-dot-green {
  background: var(--color-success);
}

.window-title {
  color: var(--color-engine-muted);
  font-size: 12px;
  font-weight: 650;
}

.window-file {
  margin-left: auto;
  color: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.window-body {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
}

.window-side {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  gap: 3px;
  border-right: 1px solid var(--color-engine-line);
  background: var(--color-engine-side);
  color: var(--color-engine-muted);
  padding: 16px 12px 14px;
}

.window-side-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius-small);
  padding: 9px 12px;
  color: var(--color-engine-muted);
  font-size: 13px;
  font-weight: 650;
}

.window-side-item svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.window-side-item.is-active {
  background: var(--color-engine-active);
  color: var(--color-engine-text);
}

.window-side-foot {
  margin-top: auto;
  border-top: 1px solid var(--color-engine-line);
  padding: 10px 12px 0;
  color: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.9;
}

.window-main {
  min-width: 0;
  padding: 18px 22px;
}

.flow-map {
  width: 100%;
  height: auto;
}

.flow-in {
  fill: none;
  stroke: var(--color-engine-muted);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.flow-node {
  fill: var(--color-engine-active);
  stroke: var(--color-engine-line);
}

.flow-node-title {
  fill: var(--color-engine-text);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 750;
}

.flow-node-note,
.flow-caption {
  fill: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.flow-branch {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
}

.flow-branch-glow {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  opacity: 0.28;
}

.flow-direct {
  stroke: var(--color-success);
}

.flow-proxy {
  stroke: var(--color-accent);
}

.flow-reject {
  stroke: var(--color-error);
}

.flow-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.flow-label-direct {
  fill: var(--color-success);
}

.flow-label-proxy {
  fill: var(--color-accent);
}

.flow-label-reject {
  fill: var(--color-error);
}

.rules-panel {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--color-engine-line);
  border-radius: var(--radius-medium);
  background: var(--color-engine);
  color: var(--color-engine-text);
}

.rules-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-engine-line);
  padding: 8px 15px;
  color: var(--color-engine-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.rules-list {
  overflow-x: auto;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.rule-row {
  display: flex;
  min-width: 550px;
  gap: 17px;
  padding: 4px 15px;
  color: var(--color-engine-text);
  white-space: nowrap;
}

.rule-row:hover {
  background: var(--color-engine-active);
  color: var(--color-engine-text);
}

.rule-number {
  width: 20px;
  flex-shrink: 0;
  color: var(--color-engine-muted);
  text-align: right;
}

.policy-direct {
  color: var(--color-success);
}

.policy-proxy {
  color: var(--color-accent);
}

.policy-reject {
  color: var(--color-error);
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 760px) {
  .download-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .download-card-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .article-download-card {
    grid-template-columns: 1fr;
  }

  .window-body {
    grid-template-columns: 1fr;
  }

  .window-side {
    min-height: auto;
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-engine-line);
  }

  .window-side-item {
    min-width: max-content;
  }

  .window-side-foot {
    display: none;
  }
}

@media (max-width: 640px) {
  .toc-tabs {
    top: 8px;
  }

  .glossary-card {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .faq-item summary {
    min-height: 62px;
    font-size: 16px;
  }

  .faq-answer {
    padding-right: 0;
  }

  .dl-fab {
    right: 16px;
    bottom: 16px;
  }

  .app-stage {
    margin-top: 28px;
  }

  .window-main {
    padding: 14px;
  }

  .flow-map {
    min-width: 570px;
  }

  .flow-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .platform-row {
    gap: 12px 18px;
  }
}