.oss-group {
  padding-top: 2rem;
  padding-bottom: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.oss-group-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.oss-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.oss-card {
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

body.light-mode .oss-card {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
}

.oss-card-name {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.oss-card-name a {
  color: var(--text-primary);
  text-decoration: none;
}

.oss-card-name a:hover {
  color: var(--color-accent-text);
}

.oss-card-tagline {
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.oss-card-meta {
  color: var(--color-accent-text);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 0.75rem;
}

.oss-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.oss-link {
  padding: 6px 14px;
  border-radius: var(--border-radius-medium);
  border: 1px solid var(--text-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.oss-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.oss-link-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--text-on-accent);
}

.oss-link-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--text-on-accent);
}

.oss-hero {
  padding-bottom: 3rem;
}

.oss-hero + .content-section {
  padding-top: 0;
}

.oss-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.oss-crumbs a {
  color: var(--color-accent-text);
  text-decoration: none;
}

.oss-crumbs a:hover {
  text-decoration: underline;
}

.oss-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}

.oss-btn {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.oss-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.oss-list {
  display: grid;
  gap: 1rem;
}

.oss-list-item {
  display: block;
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 1.5rem 1.75rem;
  text-decoration: none;
}

body.light-mode .oss-list-item {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
}

.oss-list-title {
  display: block;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.oss-list-item:hover .oss-list-title {
  color: var(--color-accent-text);
}

.oss-list-body {
  display: block;
  color: var(--text-secondary);
  line-height: 1.6;
}

.oss-tutorial-group + .oss-tutorial-group {
  margin-top: 2rem;
}

.oss-group-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.oss,
.oss-tutorial {
  min-width: 0;
}

.oss-tutorial {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem 5rem;
}

.oss-tutorial-head {
  margin-bottom: 2.5rem;
}

.oss-tutorial-head .oss-crumbs {
  justify-content: flex-start;
}

.oss-tutorial-head h1 {
  color: var(--text-primary);
  line-height: 1.2;
}

.oss-audience {
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: 1.1rem;
}

.oss-tutorial-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--background-card);
}

.oss-prose {
  line-height: 1.7;
}

.oss-about {
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 2.5rem;
}

body.light-mode .oss-about {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
}

.oss-about pre {
  background-color: var(--background-primary);
}

.oss-prose h2 {
  font-size: 1.6rem;
  margin-top: 2.5rem;
}

.oss-prose h3 {
  font-size: 1.25rem;
}

.oss-prose ol {
  list-style: decimal;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.oss-prose li p {
  margin-bottom: 0.25rem;
}

.oss-prose strong {
  color: var(--text-primary);
}

.oss-prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
  margin: 0 0 1rem;
}

.oss-prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  display: block;
  overflow-x: auto;
}

.oss-prose th,
.oss-prose td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--background-card);
  color: var(--text-secondary);
}

.oss-prose th {
  color: var(--text-primary);
  font-weight: 600;
}

.oss-bench {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 5rem;
}

.oss-bench-head {
  margin-bottom: 2.5rem;
}

.oss-bench-head .oss-crumbs {
  justify-content: flex-start;
}

.oss-bench-head h1 {
  color: var(--text-primary);
  line-height: 1.2;
}

.oss-bench-summary {
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 860px;
}

.oss-bench-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.oss-bench-tab {
  padding: 6px 14px;
  border-radius: var(--border-radius-medium);
  border: 1px solid var(--text-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

a.oss-bench-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.oss-bench-tab-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--text-on-accent);
}

.oss-bench-block {
  margin-bottom: 2.5rem;
}

.oss-bench-block h2 {
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.oss-bench-block p {
  color: var(--text-secondary);
  max-width: 860px;
  margin-bottom: 1rem;
}

.oss-bench-scroll {
  overflow-x: auto;
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 0.5rem 1rem;
}

body.light-mode .oss-bench-scroll,
body.light-mode .oss-bench-run {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
}

.oss-bench-table,
.oss-bench-libs {
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.oss-bench-table {
  width: 100%;
}

.oss-bench-table th,
.oss-bench-table td,
.oss-bench-libs th,
.oss-bench-libs td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--background-primary);
  color: var(--text-secondary);
  text-align: right;
  white-space: nowrap;
}

.oss-bench-table tr:last-child td,
.oss-bench-libs tr:last-child td {
  border-bottom: none;
}

.oss-bench-table th,
.oss-bench-libs th {
  color: var(--text-primary);
  font-weight: 600;
}

.oss-bench-table .oss-bench-key,
.oss-bench-libs th,
.oss-bench-libs td {
  text-align: left;
}

.oss-bench-table td.oss-bench-best {
  color: var(--color-accent-text);
  font-weight: 700;
}

.oss-bench-none {
  opacity: 0.5;
}

.oss-bench-note {
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

.oss-bench-run {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.5rem;
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.oss-bench-run dt {
  color: var(--text-primary);
  font-weight: 600;
}

.oss-bench-run dd {
  color: var(--text-secondary);
  margin: 0;
}

.bx-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  align-items: flex-end;
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 1.25rem 1.5rem;
}

body.light-mode .bx-controls,
body.light-mode .bx-chart {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
}

.bx-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
}

.bx-field select {
  background-color: var(--background-primary);
  color: var(--text-primary);
  border: 1px solid var(--text-secondary);
  border-radius: var(--border-radius-medium);
  padding: 0.4rem 0.6rem;
  font-size: 0.95rem;
  min-width: 7rem;
}

.bx-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  padding-bottom: 0.45rem;
}

.bx-libs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.bx-lib-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 5px 12px;
  border-radius: var(--border-radius-medium);
  border: 1px solid var(--text-secondary);
  background: transparent;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.bx-lib-off {
  opacity: 0.4;
}

.bx-swatch {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 3px;
  display: inline-block;
}

.bx-chart {
  background-color: var(--background-card);
  border-radius: var(--border-radius-large);
  padding: 1.25rem 1.5rem;
}

.bx-group + .bx-group {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--background-primary);
}

.bx-group-title {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.bx-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr 4.5rem;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.bx-name {
  color: var(--text-secondary);
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bx-track {
  position: relative;
  height: 1.1rem;
}

.bx-bar {
  height: 100%;
  border-radius: 3px;
}

.bx-whisker {
  position: absolute;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background-color: var(--text-primary);
  opacity: 0.55;
}

.bx-value {
  color: var(--text-primary);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.bx-empty,
.bx-unit {
  color: var(--text-secondary);
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .oss-group {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .oss-grid {
    grid-template-columns: 1fr;
  }

  .oss-tutorial,
  .oss-bench {
    padding: 2.5rem 1rem 3rem;
  }

  .bx-controls,
  .bx-chart {
    padding: 1rem;
  }

  .bx-row {
    grid-template-columns: 6.5rem 1fr 3.75rem;
    gap: 0.5rem;
  }

  .oss-about {
    padding: 1.5rem;
  }

  .oss-prose h2 {
    font-size: 1.35rem;
  }
}