/* ============================================
   葬AI Web4 — Design System
   ============================================ */

:root {
  --bg: #0a0a0b;
  --bg-surface: #131316;
  --bg-elevated: #1c1c21;
  --bg-hover: #24242a;
  --border: #2a2a32;
  --border-bright: #3a3a44;

  --text: #e6e6ea;
  --text-secondary: #9999a3;
  --text-muted: #66666f;

  --accent: #8b5cf6;
  --accent-glow: rgba(139, 92, 246, 0.35);
  --accent-dim: rgba(139, 92, 246, 0.12);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.3);

  --cat-product: #a78bfa;
  --cat-company: #60a5fa;
  --cat-person: #fbbf24;
  --cat-vc: #34d399;

  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  --max-width: 1080px;
  --radius: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---- Selection ---- */
::selection { background: var(--accent); color: #fff; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.navbar-brand {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand .dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar-links a {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: all 0.15s;
  white-space: nowrap;
}

.navbar-links a:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.navbar-links a.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================
   PAGE CONTAINER
   ============================================ */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ============================================
   HOMEPAGE
   ============================================ */
.home {
  min-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  position: relative;
}

.home::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 20%, var(--accent-dim), transparent 60%),
    radial-gradient(ellipse 60% 40% at 70% 80%, rgba(6, 182, 212, 0.08), transparent 60%);
  pointer-events: none;
}

.home-content {
  position: relative;
  z-index: 1;
}

.home-logo {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.home-title {
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-tagline {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.home-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.home-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

.home-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border-bright);
  color: var(--text);
  transition: all 0.2s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px var(--accent-dim);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #7c3aed;
  border-color: #7c3aed;
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

/* ---- Terminal decoration ---- */
.terminal-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 64px;
  opacity: 0.6;
}

.terminal-line .prompt { color: var(--cat-vc); }
.terminal-line .cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ============================================
   GRAPH PAGE
   ============================================ */
.graph-page {
  max-width: 100%;
  padding: 0;
}

.graph-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 16px;
}

.graph-header h1 {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.graph-header p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 640px;
}

.graph-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 0;
  height: calc(100vh - 140px);
  min-height: 600px;
}

.graph-canvas-wrap {
  position: relative;
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

#graph-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#graph-canvas:active { cursor: grabbing; }

.graph-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.graph-ctrl-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(28, 28, 33, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.graph-ctrl-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.graph-legend {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: 16px;
  background: rgba(28, 28, 33, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  z-index: 10;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.graph-search {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
}

.graph-search input {
  font-family: var(--font-mono);
  font-size: 13px;
  width: 200px;
  padding: 8px 12px;
  background: rgba(28, 28, 33, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.graph-search input:focus {
  border-color: var(--accent);
}

.graph-search input::placeholder {
  color: var(--text-muted);
}

/* ---- Node detail panel ---- */
.graph-panel {
  background: var(--bg-surface);
  overflow-y: auto;
  padding: 24px;
}

.panel-placeholder {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  margin-top: 40%;
  padding: 0 16px;
}

.panel-placeholder .icon {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}

.node-detail {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.node-detail .node-type-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.node-detail h2 {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.node-detail .node-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.node-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.node-stat {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.node-stat .val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.node-stat .lbl {
  font-size: 11px;
  color: var(--text-muted);
}

.node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
}

.node-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
}

.node-connections h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.conn-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.conn-item:last-child { border-bottom: none; }

.conn-item .arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.conn-item .name {
  color: var(--text);
  cursor: pointer;
  transition: color 0.15s;
}

.conn-item .name:hover { color: var(--accent); }

.conn-type {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
}

/* ---- Leaderboards ---- */
.leaderboards-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.leaderboards-section h2 {
  font-family: var(--font-mono);
  font-size: 20px;
  margin-bottom: 8px;
}

.leaderboards-section > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.lb-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.lb-tab {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 20px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.lb-tab:hover { color: var(--text); }
.lb-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.lb-content {
  display: none;
}

.lb-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

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

.lb-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.lb-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.lb-table tr:hover td { background: var(--bg-surface); }

.lb-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  width: 40px;
}

.lb-rank.top1 { color: var(--cat-person); }
.lb-rank.top2 { color: #c0c0c0; }
.lb-rank.top3 { color: #cd7f32; }

.lb-name {
  font-weight: 600;
  cursor: pointer;
}

.lb-name:hover { color: var(--accent); }

.lb-name .type-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.lb-desc {
  color: var(--text-secondary);
  font-size: 13px;
}

.lb-num {
  font-family: var(--font-mono);
  text-align: right;
  width: 70px;
  color: var(--text-secondary);
}

.lb-bar {
  width: 80px;
}

.lb-bar-track {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.lb-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s;
}

/* ============================================
   ARTICLES LIST PAGE
   ============================================ */
.articles-header {
  margin-bottom: 32px;
}

.articles-header h1 {
  font-family: var(--font-mono);
  font-size: 24px;
  margin-bottom: 8px;
}

.articles-header p {
  font-size: 14px;
  color: var(--text-secondary);
}

.articles-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box input {
  font-family: var(--font-sans);
  font-size: 14px;
  width: 100%;
  padding: 10px 14px 10px 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.search-box input:focus { border-color: var(--accent); }
.search-box input::placeholder { color: var(--text-muted); }

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

.filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.chip:hover { border-color: var(--border-bright); color: var(--text); }
.chip.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.article-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

/* ---- Article list ---- */
.article-list {
  list-style: none;
}

.article-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: all 0.15s;
}

.article-item:hover {
  padding-left: 8px;
}

.article-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-id {
  color: var(--text-muted);
}

.article-date {
  color: var(--text-secondary);
}

.article-author {
  padding: 1px 8px;
  border-radius: 3px;
  font-size: 11px;
}

.author-葬爱咸鱼 { background: rgba(167, 139, 250, 0.12); color: var(--cat-product); }
.author-沐秋 { background: rgba(96, 165, 250, 0.12); color: var(--cat-company); }
.author-骡子马 { background: rgba(251, 191, 36, 0.12); color: var(--cat-person); }

.article-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  transition: color 0.15s;
}

.article-item:hover .article-title { color: var(--accent); }

.article-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.no-results {
  text-align: center;
  padding: 48px 0;
  color: var(--text-muted);
}

/* ============================================
   ARTICLE DETAIL PAGE
   ============================================ */
.article-detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-back {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s;
}

.article-back:hover { color: var(--accent); }

.article-detail-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  flex-wrap: wrap;
}

.article-detail-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0;
}

/* ---- Article nav (prev/next) ---- */
.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 16px;
}

.article-nav a {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.15s;
}

.article-nav a:hover {
  border-color: var(--accent);
}

.article-nav .nav-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.article-nav .nav-title {
  font-size: 13px;
  color: var(--text);
}

.article-nav .next { text-align: right; }

/* ============================================
   MARKDOWN CONTENT
   ============================================ */
.markdown-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.markdown-body h1 {
  font-size: 26px;
  font-weight: 800;
  margin: 32px 0 16px;
  line-height: 1.3;
}

.markdown-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.markdown-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
}

.markdown-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 20px 0 10px;
  color: var(--text-secondary);
}

.markdown-body p {
  margin-bottom: 16px;
}

.markdown-body strong {
  font-weight: 700;
  color: var(--text);
}

.markdown-body em {
  font-style: italic;
  color: var(--text-secondary);
}

.markdown-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(6, 182, 212, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}

.markdown-body a:hover {
  text-decoration-color: var(--cyan);
}

.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 20px;
  margin: 20px 0;
  color: var(--text-secondary);
  font-style: italic;
  background: var(--accent-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.markdown-body ul,
.markdown-body ol {
  margin: 16px 0;
  padding-left: 24px;
}

.markdown-body li {
  margin-bottom: 6px;
}

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--cat-product);
}

.markdown-body pre {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  margin: 20px 0;
}

.markdown-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}

.markdown-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 16px 0;
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.markdown-body th {
  background: var(--bg-surface);
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.footer a {
  color: var(--text-secondary);
  transition: color 0.15s;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 860px) {
  .graph-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    height: auto;
  }

  .graph-canvas-wrap {
    height: 60vh;
    min-height: 400px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .graph-panel {
    max-height: 50vh;
  }

  .graph-search input { width: 140px; }

  .home-stats { gap: 24px; }
  .stat-num { font-size: 28px; }
}

@media (max-width: 640px) {
  .navbar-inner { padding: 0 16px; }
  .page { padding: 32px 16px 64px; }
  .article-detail { padding: 32px 16px 64px; }
  .navbar-brand { font-size: 14px; }
  .navbar-links a { padding: 6px 10px; font-size: 12px; }

  .article-nav { flex-direction: column; }
  .article-nav .next { text-align: left; }

  .lb-table { font-size: 13px; }
  .lb-desc { display: none; }
  .lb-bar { display: none; }
}