/**
 * site_map — 栏目 chip + 最近更新横版封面卡（cover 裁剪）。
 * 仅引用 tokens。
 */
.pb-site-map {
  --map-gap: var(--space-3, 12px);
  padding: 0 0 var(--space-6, 28px);
  box-sizing: border-box;
}

.pb-site-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--map-gap);
  margin: 0 var(--space-3, 12px) var(--space-3, 12px);
}

.pb-site-map__panel {
  margin: 0 var(--space-3, 12px) var(--space-3, 12px);
  padding: 16px var(--space-3, 12px);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-surface, 12px);
  box-sizing: border-box;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.pb-site-map__grid > .pb-site-map__panel {
  margin: 0;
}

.pb-site-map__panel:hover {
  border-color: var(--c-accent-border-strong);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.pb-site-map__title {
  margin: 0 0 var(--space-3, 12px);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pb-site-map__title::before {
  content: "";
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--c-accent);
  flex: 0 0 auto;
}

.pb-site-map__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 8px);
}

.pb-site-map__panel--nav .pb-site-map__chips {
  gap: 10px;
}

.pb-site-map__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill, 999px);
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.pb-site-map__chip:hover {
  color: var(--c-accent);
  border-color: var(--c-accent-border-strong);
  background: var(--c-accent-soft);
}

.pb-site-map__chip:active {
  transform: scale(0.97);
}

.pb-site-map__chip:focus-visible {
  outline: 2px solid var(--c-accent-focus-ring);
  outline-offset: 2px;
}

.pb-site-map__meta {
  margin: 0;
  font-size: 13px;
  color: var(--c-text-muted);
}

/* 最近更新：横槽 16:9，封面 cover 裁剪；H5 两列 */
.pb-site-map__panel--recent {
  margin-top: 0;
}

.pb-site-map__media-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pb-site-map__media-item--empty {
  grid-column: 1 / -1;
}

.pb-site-map__media-link {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-height: 0;
  padding: 0;
  margin: 0;
  color: var(--c-text);
  text-decoration: none;
  border-radius: 10px;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.pb-site-map__media-link:hover {
  color: var(--c-accent);
}

.pb-site-map__media-link:focus-visible {
  outline: 2px solid var(--c-accent-focus-ring);
  outline-offset: 3px;
}

.pb-site-map__media-link:hover .pb-site-map__media-pic {
  border-color: var(--c-accent-border-strong);
  box-shadow: 0 6px 18px rgba(15, 17, 21, 0.12);
}

.pb-site-map__media-pic {
  position: relative;
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #12151a;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-sizing: border-box;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.pb-site-map__media-backdrop {
  display: none;
}

.pb-site-map__media-pic img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.pb-site-map__media-name {
  flex: 0 0 auto;
  min-width: 0;
  padding: 0 2px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  color: inherit;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 720px) {
  .pb-site-map__grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .pb-site-map__panel--nav {
    grid-column: 1 / -1;
  }

  .pb-site-map__media-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px 14px;
  }
}

@media (min-width: 1100px) {
  .pb-site-map__media-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 24px 20px;
  }

  .pb-site-map__media-name {
    font-size: 14px;
  }
}

@media (min-width: 1680px) {
  .pb-site-map__media-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px 20px;
  }
}

@media (max-width: 480px) {
  .pb-site-map__chip {
    min-height: 44px;
    padding: 0 12px;
  }

  .pb-site-map__media-list {
    gap: 12px 8px;
  }

  .pb-site-map__media-name {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pb-site-map__panel,
  .pb-site-map__chip,
  .pb-site-map__media-link,
  .pb-site-map__media-pic {
    transition: none;
  }

  .pb-site-map__chip:active {
    transform: none;
  }
}