:root {
  --primary: #6366f1;
  --primary-dk: #4f46e5;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --radius: 8px;
  --code-bg: #f1f5f9;
}
[data-theme="dark"] {
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --code-bg: #1a1a2e;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  transition: background 0.3s, color 0.3s;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}
a:hover {
  color: var(--primary-dk);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.page-container {
  padding: 32px 0 64px;
}
.content-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 36px;
  align-items: start;
}
@media (max-width: 1024px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 36px;
  align-items: start;
}
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text) !important;
  white-space: nowrap;
}
.logo .logo-icon {
  font-size: 1.4rem;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    flex-direction: column;
    align-items: stretch;
    z-index: 120;
  }
  .main-nav.open {
    display: flex;
  }
}
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-link:hover,
.nav-link.active {
  background: #e0e7ff;
  color: #6366f1;
}
.nav-dropdown {
  position: relative;
}
.nav-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  min-width: 160px;
  padding: 6px;
  z-index: 200;
}
.nav-dropdown:hover .dropdown-menu {
  display: block;
}
.nav-dropdown .dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
}
.nav-dropdown .dropdown-item:hover {
  background: var(--bg);
}
.caret {
  font-size: 0.75em;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg);
  border-radius: 8px;
  padding: 2px;
}
.lang-btn {
  padding: 4px 8px;
  border: none;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s ease;
}
.lang-btn:hover {
  background: var(--surface);
  color: var(--text);
}
.theme-toggle,
.search-toggle,
.mobile-menu-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}
.theme-toggle:hover,
.search-toggle:hover,
.mobile-menu-btn:hover {
  background: var(--border);
}
.theme-toggle .icon-moon {
  display: none;
}
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}
[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}
.mobile-menu-btn {
  display: none;
}
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
}
.search-bar {
  display: none;
  border-top: 1px solid var(--border);
  padding: 12px 0;
  background: var(--surface);
}
.search-bar.open {
  display: block;
}
.search-form {
  display: flex;
  gap: 8px;
  align-items: center;
}
.search-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}
.search-input:focus {
  border-color: var(--primary);
}
.search-submit,
.search-close {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}
.search-submit {
  background: var(--primary);
  color: #fff;
}
.search-close {
  background: var(--bg);
  color: var(--text);
}
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }
}
.widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  padding: 20px;
  margin-bottom: 20px;
}
.widget-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
  color: var(--text);
}
.widget-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.category-list li {
  border-bottom: 1px solid var(--border);
}
.category-list li:last-child {
  border-bottom: none;
}
.category-list li.active a {
  color: var(--primary);
  font-weight: 600;
}
.category-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  color: var(--text);
  font-size: 0.9rem;
}
.category-list li a:hover {
  color: var(--primary);
}
.recent-list li {
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}
.recent-list li:last-child {
  border-bottom: none;
}
.recent-list li a {
  font-size: 0.9rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.recent-list li a:hover {
  color: var(--primary);
}
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  margin-bottom: 24px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.card-image-link {
  display: block;
  overflow: hidden;
}
.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s;
}
.card-image-link:hover .card-image {
  transform: scale(1.03);
}
.card-body {
  padding: 24px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.category-badge {
  display: inline-block;
  padding: 2px 10px;
  background: #e0e7ff;
  color: #6366f1;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.article-date,
.article-stats {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.article-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.card-title a {
  color: var(--text);
}
.card-title a:hover {
  color: var(--primary);
}
.card-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}
.read-more:hover {
  color: var(--primary-dk);
}
.article-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  padding: 0;
  overflow: hidden;
  margin-bottom: 24px;
}
.article-cover img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}
.article-header {
  padding: 32px 40px 24px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 768px) {
  .article-header {
    padding: 24px 20px 16px;
  }
}
.article-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 12px 0;
  color: var(--text);
}
@media (max-width: 768px) {
  .article-title {
    font-size: 1.5rem;
  }
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.article-content {
  padding: 40px;
}
@media (max-width: 768px) {
  .article-content {
    padding: 24px 20px;
  }
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  color: var(--text);
  margin: 2rem 0 1rem;
  line-height: 1.3;
  font-weight: 700;
}
.article-content h1 {
  font-size: 1.8rem;
}
.article-content h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}
.article-content h3 {
  font-size: 1.25rem;
}
.article-content p {
  margin-bottom: 1.2rem;
}
.article-content img {
  border-radius: 8px;
  margin: 1rem auto;
  max-width: 100%;
}
.article-content a {
  color: var(--primary);
  border-bottom: 1px dashed var(--primary);
}
.article-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--primary);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-content pre {
  position: relative;
  margin: 1.5rem 0;
  border-radius: 12px;
  overflow: hidden;
}
.article-content pre code {
  display: block;
  padding: 1.5rem;
  overflow-x: auto;
  background: var(--code-bg);
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}
.article-content pre .copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  color: #ccc;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s ease;
}
.article-content pre .copy-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}
.article-content pre:hover .copy-btn {
  opacity: 1;
}
.article-content code:not(pre code) {
  padding: 2px 6px;
  background: var(--code-bg);
  border-radius: 4px;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.88em;
  color: #ef4444;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.article-content table th,
.article-content table td {
  padding: 10px 16px;
  border: 1px solid var(--border);
  text-align: left;
}
.article-content table th {
  background: var(--bg);
  font-weight: 700;
}
.article-content table tr:nth-child(even) {
  background: var(--bg);
}
.article-content ul,
.article-content ol {
  margin: 1rem 0 1rem 1.5rem;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.4rem;
  list-style: disc;
}
.article-content ol li {
  list-style: decimal;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}
.toc-widget {
  position: sticky;
  top: 80px;
}
.toc {
  font-size: 0.88rem;
}
.toc a {
  display: block;
  padding: 3px 0;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.toc a:hover,
.toc a.active {
  color: var(--primary);
  border-color: var(--primary);
}
.toc .toc-h3 {
  padding-left: 22px;
}
.toc .toc-h4 {
  padding-left: 34px;
}
.article-nav {
  display: flex;
  gap: 16px;
  padding: 24px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
@media (max-width: 768px) {
  .article-nav {
    padding: 20px;
    flex-direction: column;
  }
}
.article-nav-prev,
.article-nav-next {
  flex: 1;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  transition: all 0.2s ease;
}
.article-nav-prev:hover,
.article-nav-next:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.article-nav-prev .nav-label,
.article-nav-next .nav-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.article-nav-prev .nav-title,
.article-nav-next .nav-title {
  display: block;
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-nav-next {
  text-align: right;
}
.related-articles {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
  color: var(--text);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}
.related-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s ease;
  color: var(--text);
}
.related-card:hover {
  border-color: var(--primary);
  background: #e0e7ff;
}
.related-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.comments-section {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}
@media (max-width: 768px) {
  .comments-section {
    padding: 24px 20px;
  }
}
.no-comments {
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
  font-size: 0.95rem;
}
.comments-list {
  margin-bottom: 32px;
}
.comment {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.comment:last-child {
  border-bottom: none;
}
.comment-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.comment-body {
  flex: 1;
}
.comment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.comment-author {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}
.comment-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.comment-content {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.comment-form-section {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
}
.comment-form {
  margin-top: 16px;
}
.comment-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) {
  .comment-form .form-row {
    grid-template-columns: 1fr;
  }
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-group input:disabled,
.form-group textarea:disabled,
.form-group select:disabled {
  background: var(--bg);
  cursor: not-allowed;
}
.form-group textarea {
  resize: vertical;
}
.form-group .char-count {
  text-align: right;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-actions {
  margin-top: 4px;
}
.form-message {
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
}
.form-message.success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dk);
  color: #fff;
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--bg);
  color: var(--text);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  background: var(--bg);
  color: var(--text);
}
.btn-block {
  width: 100%;
}
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--border);
  color: var(--text-muted);
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.page-btn,
.page-num {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  background: var(--surface);
  transition: all 0.2s ease;
}
.page-btn:hover,
.page-num:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #e0e7ff;
}
.page-btn.active,
.page-num.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.page-numbers {
  display: flex;
  gap: 6px;
}
.page-ellipsis {
  padding: 8px 4px;
  color: var(--text-muted);
}
.page-header {
  margin-bottom: 32px;
}
.page-header .page-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
}
.page-header .page-desc {
  color: var(--text-muted);
  margin-top: 6px;
}
.page-header .article-count {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.site-footer .footer-text {
  margin-bottom: 4px;
}
.site-footer .icp a {
  color: var(--text-muted);
}
.site-footer .icp a:hover {
  color: var(--primary);
}
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 9999;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  animation: slideUp 0.3s ease, fadeOut 0.5s 3s forwards;
}
.toast-success {
  background: #22c55e;
  color: #fff;
}
.toast-error {
  background: #ef4444;
  color: #fff;
}
@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}
@keyframes fadeOut {
  to {
    opacity: 0;
    pointer-events: none;
  }
}
.error-page {
  text-align: center;
  padding: 80px 20px;
}
.error-page .error-code {
  font-size: 8rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  opacity: 0.3;
}
.error-page .error-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 16px 0 12px;
  color: var(--text);
}
.error-page .error-desc {
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 32px;
}
.error-page .error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
[data-theme="dark"] .hljs {
  background: #1e1e2e;
}
.required {
  color: #ef4444;
}
.hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}
.text-muted {
  color: var(--text-muted);
}
.text-sm {
  font-size: 0.85rem;
}
.text-link {
  color: var(--primary);
}