:root {
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --accent: #2563eb;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.site-name:hover { text-decoration: none; }

.nav { display: flex; gap: 32px; }

.nav-link {
  color: var(--gray-600);
  font-weight: 500;
  transition: color var(--transition);
}

.nav-link:hover { color: var(--gray-900); text-decoration: none; }

.page-hd {
  background: var(--white);
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--gray-200);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.breadcrumb a { color: var(--gray-500); }
.breadcrumb-sep { color: var(--gray-400); }
.breadcrumb-current { color: var(--gray-700); }

.page-hd-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

.page-hd-meta {
  margin-top: 8px;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.section { padding: 48px 0; }

.article-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.article-item {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.article-item:hover { box-shadow: var(--shadow); }

.article-item-content { padding: 24px; }

.article-item-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.813rem;
}

.article-item-cat {
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 500;
}

.article-item-cat-baike { background: #ecfdf5; color: #059669; }
.article-item-cat-special { background: #fffbeb; color: #d97706; }

.article-item-date { color: var(--gray-500); }

.article-item-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.article-item-title a { color: var(--gray-900); }
.article-item-title a:hover { color: var(--accent); text-decoration: none; }

.article-item-excerpt {
  color: var(--gray-600);
  font-size: 0.938rem;
  line-height: 1.7;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.pagination a { color: var(--gray-600); }
.pagination a:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
  text-decoration: none;
}

.pagination .current {
  background: var(--gray-900);
  border-color: var(--gray-900);
  color: var(--white);
}

.pagination .disabled { opacity: 0.35; cursor: default; }
.pagination .ellipsis { border: none; background: transparent; color: var(--gray-400); }

.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 48px 0 24px;
  margin-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-desc { font-size: 0.875rem; line-height: 1.6; }

.footer-heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.footer-links { display: flex; flex-direction: column; gap: 8px; }

.footer-link { color: var(--gray-400); font-size: 0.875rem; }
.footer-link:hover { color: var(--white); text-decoration: none; }

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-800);
  text-align: center;
  font-size: 0.813rem;
  color: var(--gray-500);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 60px;
  padding: 40px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  font-size: var(--tag-size);
  color: var(--gray-700);
  transition: all var(--transition);
}

.tag-item:hover {
  background: var(--gray-900);
  border-color: var(--gray-900);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
}

.tag-item .tag-count {
  font-size: 0.75em;
  color: var(--gray-400);
  font-weight: 500;
}

.tag-item:hover .tag-count { color: var(--gray-300); }

.tags-table-section { margin-top: 40px; }

.tags-table-header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
}

.tags-table-wrapper {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.tags-table {
  width: 100%;
  border-collapse: collapse;
}

.tags-table th {
  text-align: left;
  padding: 16px 20px;
  background: var(--gray-50);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200);
}

.tags-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-100);
}

.tags-table tr:last-child td { border-bottom: none; }
.tags-table tr:hover td { background: var(--gray-50); }

.tag-link { text-decoration: none; }

.tag-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--gray-100);
  border-radius: 12px;
  font-size: 0.875rem;
  color: var(--gray-700);
  transition: all var(--transition);
}

.tag-link:hover .tag-badge {
  background: var(--gray-900);
  color: var(--white);
}

.tag-count-cell {
  font-weight: 600;
  color: var(--gray-600);
  font-variant-numeric: tabular-nums;
}

.tag-action {
  display: inline-block;
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: 6px;
  font-size: 0.813rem;
  color: var(--gray-600);
  text-decoration: none;
  transition: all var(--transition);
}

.tag-action:hover {
  background: var(--gray-900);
  color: var(--white);
}

.hero {
  background: var(--gray-900);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--white);
  color: var(--gray-900);
}

.btn-primary:hover {
  background: var(--gray-100);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--gray-600);
}

.btn-secondary:hover {
  border-color: var(--white);
  text-decoration: none;
}

.specials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.special-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  transition: all var(--transition);
}

.special-item:hover {
  border-color: var(--gray-400);
  text-decoration: none;
}

.special-item-left {
  flex-shrink: 0;
  text-align: center;
  min-width: 60px;
}

.special-item-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.special-item-right { flex: 1; }

.special-item-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.special-item-desc {
  font-size: 0.813rem;
  color: var(--gray-500);
}

.special-item-arrow { color: var(--gray-400); }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.section-more {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.featured-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.featured-card-content { padding: 20px; }

.featured-card-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.75rem;
}

.featured-card-cat {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--gray-100);
  color: var(--gray-600);
}

.featured-card-date { color: var(--gray-500); }

.featured-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
  line-height: 1.4;
}

.featured-card-title a { color: inherit; }
.featured-card-title a:hover { color: var(--accent); text-decoration: none; }

.keywords-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 32px;
  background: var(--white);
  border-radius: 12px;
}

.keyword-item {
  padding: 8px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: var(--size, 0.875rem);
  color: var(--gray-700);
  transition: all var(--transition);
}

.keyword-item:hover {
  background: var(--gray-900);
  border-color: var(--gray-900);
  color: var(--white);
  text-decoration: none;
}

.trends-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.trend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: 8px;
  transition: all var(--transition);
}

.trend-item:hover { background: var(--gray-100); text-decoration: none; }

.trend-num {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-300);
  min-width: 24px;
}

.trend-item:hover .trend-num { color: var(--gray-500); }

.trend-text {
  font-size: 0.875rem;
  color: var(--gray-700);
}

.article-header {
  background: var(--white);
  padding: 48px 0 32px;
  margin-bottom: 32px;
}

.article-title-h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.article-content {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
  line-height: 1.8;
}

.entry-content { font-size: 1rem; }
.entry-content p { margin-bottom: 1.5em; }
.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 24px 0;
}
.entry-content a { color: var(--accent); }
.entry-content a:hover { text-decoration: underline; }
.entry-content h2, .entry-content h3 {
  margin-top: 2em;
  margin-bottom: 0.75em;
  color: var(--gray-900);
}
.entry-content h2 { font-size: 1.5rem; }
.entry-content h3 { font-size: 1.25rem; }
.entry-content ul, .entry-content ol {
  margin: 1em 0;
  padding-left: 1.5em;
}
.entry-content li { margin-bottom: 0.5em; }
.entry-content pre {
  background: var(--gray-900);
  color: var(--gray-100);
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5em 0;
}
.entry-content code {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.875em;
}
.entry-content p code {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--gray-800);
}

.related-section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--gray-200);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.related-card {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 20px;
}

.related-card-title {
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.4;
}

.related-card-title a { color: inherit; }
.related-card-title a:hover { color: var(--accent); text-decoration: none; }

.about-content {
  background: var(--white);
  border-radius: 12px;
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.about-section { margin-bottom: 48px; }
.about-section:last-child { margin-bottom: 0; }

.about-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
}

.about-section p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.feature-list li {
  padding: 12px 16px;
  background: var(--gray-50);
  border-radius: 8px;
  color: var(--gray-700);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .specials-grid { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .trends-grid { grid-template-columns: 1fr; }
  .about-content { padding: 24px; }
  .feature-list { grid-template-columns: 1fr; }
  .article-content { padding: 24px; }
}