/* 二级/三级页面样式 */
.page-main {
  padding-top: var(--header-height);
  min-height: 100vh;
}

.page-hero {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,31,22,0.45), rgba(13,31,22,0.75));
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 24px;
}

.page-hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.page-hero-content p {
  font-size: 0.95rem;
  opacity: 0.85;
  letter-spacing: 0.15em;
}

.breadcrumb {
  background: var(--color-white);
  border-bottom: 1px solid #ece8e0;
  padding: 14px 0;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb-list a:hover { color: var(--color-accent); }

.breadcrumb-sep { opacity: 0.4; }

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 500;
}

.page-content {
  padding: 60px 0 100px;
}

.page-content--narrow {
  max-width: 900px;
  margin: 0 auto;
}

.page-sidebar-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}

.sidebar-nav {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.sidebar-nav h3 {
  padding: 20px 24px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.sidebar-nav ul { padding: 12px 0; }

.sidebar-nav a {
  display: block;
  padding: 12px 24px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  border-left: 3px solid transparent;
  transition: all var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--color-primary);
  background: var(--color-bg-warm);
  border-left-color: var(--color-accent);
}

.content-block {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}

.content-block h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-primary);
  margin: 32px 0 16px;
}

.content-block p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 2;
  text-align: justify;
}

.content-block ol,
.content-block ul {
  color: var(--color-text-light);
  padding-left: 1.4em;
  margin: 0 0 16px;
}

.content-block li {
  margin-bottom: 8px;
  line-height: 1.9;
}

.content-block p a { color: var(--color-accent); }

.content-block img {
  width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow-md);
}

.content-quote {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-accent);
  text-align: center;
  padding: 32px;
  margin: 32px 0;
  border-top: 1px solid #ece8e0;
  border-bottom: 1px solid #ece8e0;
  letter-spacing: 0.1em;
}

/* 风景名胜二级 - 分类卡片 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}

.category-card:hover { transform: translateY(-6px); }

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.category-card:hover img { transform: scale(1.08); }

.category-card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  background: linear-gradient(transparent 40%, rgba(13,31,22,0.88));
  color: var(--color-white);
}

.category-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.category-card-body p {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-bottom: 16px;
  line-height: 1.7;
}

.category-card-body .btn {
  align-self: flex-start;
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* 景点列表 */
.list-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.list-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.list-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.list-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.list-card:hover .list-card-img img { transform: scale(1.08); }

.list-card-body {
  padding: 16px 20px 20px;
  text-align: center;
}

.list-card-body h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.list-card-body a {
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.list-card-body a:hover { text-decoration: underline; }

/* 三级详情页 */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.detail-main img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 32px;
  box-shadow: var(--shadow-lg);
}

.detail-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.detail-desc {
  color: var(--color-text-light);
  line-height: 2;
  font-size: 1.05rem;
}

/* 语音播报 */
.speech-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 16px 20px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(26, 58, 42, 0.06), rgba(201, 162, 39, 0.08));
  border: 1px solid rgba(201, 162, 39, 0.25);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.speech-bar.is-playing {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.12);
}

.speech-bar-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.speech-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.speech-bar.is-playing .speech-icon {
  animation: speechPulse 1.5s ease-in-out infinite;
}

@keyframes speechPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.08); }
}

.speech-status {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.speech-bar.is-playing .speech-status {
  color: var(--color-primary);
  font-weight: 500;
}

.speech-bar.is-error .speech-status {
  color: #8c3a32;
}

.speech-controls {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.speech-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  background: var(--color-white);
  border: 1px solid #ddd;
  border-radius: 30px;
  cursor: pointer;
  color: var(--color-text);
  transition: all var(--transition);
}

.speech-btn svg {
  width: 16px;
  height: 16px;
}

.speech-btn:hover:not(:disabled) {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.speech-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.speech-btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.speech-btn--primary:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: var(--color-white);
}

@media (max-width: 600px) {
  .speech-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .speech-controls {
    justify-content: center;
  }
}

.detail-sidebar h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.related-list { display: flex; flex-direction: column; gap: 12px; }

.related-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius);
  transition: background var(--transition);
}

.related-item:hover { background: var(--color-bg-warm); }

.related-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.related-item span {
  font-size: 0.9rem;
  color: var(--color-text);
}

.nav-menu a.active {
  color: var(--color-accent-light);
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 1024px) {
  .page-sidebar-layout,
  .detail-layout { grid-template-columns: 1fr; }
  .sidebar-nav { position: static; }
  .category-grid { grid-template-columns: 1fr; }
  .list-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .page-hero { height: 240px; }
  .content-block { padding: 28px 24px; }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card { aspect-ratio: 16/10; }
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-card {
  display: block;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.news-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.news-card time { color: var(--color-text-light); }
.news-card .news-cat { color: var(--color-accent); }

.news-card h3 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.news-card p {
  color: var(--color-text-light);
  line-height: 1.8;
}

.news-archive-note {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-accent);
}

@media (max-width: 480px) {
  .list-grid { grid-template-columns: 1fr; }
  .news-card { padding: 22px 20px; }
}