.occ-page {
  padding-bottom: 3.5rem;
}

.occ-header {
  padding: 2.25rem 0 1.25rem;
}

.occ-header h1 {
  margin: 0.35rem 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  color: var(--ink);
}

.occ-subtitle {
  margin: 0 0 0.85rem;
  color: var(--ink-muted);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.occ-lead {
  max-width: 52rem;
  margin: 0;
  color: var(--ink);
  font-size: var(--text-base);
  line-height: 1.6;
}

.occ-lead strong {
  font-weight: 600;
}

.occ-source {
  max-width: 52rem;
  margin: 0.85rem 0 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.occ-source a {
  color: var(--accent);
  word-break: break-word;
}

.occ-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 0.25rem;
}

.occ-stat {
  border: 1px solid var(--border);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1rem;
}

html.theme-archival .occ-stat {
  border-radius: 0;
}

.occ-stat-label {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.35rem;
}

.occ-stat-value {
  font-family: var(--font-mono, var(--font-ui));
  font-size: 1.25rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.occ-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  padding: 1.1rem 0 1rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
}

.occ-search {
  flex: 1 1 280px;
  min-width: 0;
}

.occ-search input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  font: inherit;
}

.occ-search input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 1px;
}

.occ-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.occ-controls select,
.occ-controls button {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  font: inherit;
  cursor: pointer;
}

.occ-meta {
  margin: 0.85rem 0 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.occ-table-wrap {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card-bg);
}

html.theme-archival .occ-table-wrap {
  border-radius: 0;
}

.occ-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.occ-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: color-mix(in srgb, var(--card-bg) 88%, var(--bg));
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1rem;
  font-weight: 500;
}

.occ-table tbody td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.occ-table tbody tr:last-child td {
  border-bottom: none;
}

.occ-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent-dim, var(--accent)) 18%, transparent);
}

.occ-col-rank {
  width: 4.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
  font-family: var(--font-mono, var(--font-ui));
}

.occ-col-iq {
  width: 5.5rem;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono, var(--font-ui));
  font-weight: 500;
  color: var(--ink);
}

.occ-col-code {
  width: 5.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
  font-family: var(--font-mono, var(--font-ui));
  font-size: var(--text-sm);
}

.occ-col-bar {
  width: 12rem;
}

.occ-name-tr {
  display: block;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.35;
}

.occ-name-en {
  display: block;
  margin-top: 0.2rem;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.occ-bar {
  height: 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--border) 75%, transparent);
  overflow: hidden;
}

html.theme-archival .occ-bar {
  border-radius: 0;
}

.occ-bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 55%, var(--ink-muted)),
    var(--accent)
  );
}

.occ-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--ink-muted);
}

.occ-note {
  margin-top: 1.25rem;
  max-width: 52rem;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.occ-seo-block,
.occ-faq {
  max-width: 52rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.occ-seo-block h2,
.occ-faq h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--ink);
}

.occ-seo-block p {
  margin: 0 0 0.75rem;
  color: var(--ink-muted);
  font-size: var(--text-base);
  line-height: 1.6;
}

.occ-seo-block p:last-child {
  margin-bottom: 0;
}

.occ-faq-list {
  display: grid;
  gap: 0.65rem;
}

.occ-faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  padding: 0.85rem 1rem;
}

html.theme-archival .occ-faq-item {
  border-radius: 0;
}

.occ-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.occ-faq-item summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  color: var(--accent);
  font-family: var(--font-mono, var(--font-ui));
}

.occ-faq-item[open] summary::before {
  content: "–";
}

.occ-faq-item p {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .occ-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .occ-col-bar,
  .occ-col-code {
    display: none;
  }

  .occ-table {
    table-layout: auto;
  }
}

@media (max-width: 640px) {
  .occ-stats {
    grid-template-columns: 1fr 1fr;
  }

  .occ-col-rank {
    width: 3.2rem;
    padding-left: 0.75rem;
  }

  .occ-col-iq {
    width: 4.2rem;
    padding-right: 0.75rem;
  }

  .occ-table thead th,
  .occ-table tbody td {
    padding: 0.75rem 0.7rem;
  }
}