/* ==========================================================================
   TechCompass / 网络技术与工具评测博客框架 - Modern Tech Design System
   ========================================================================== */

:root {
  /* Color Palette - Light Mode Default */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-focus: #6366f1;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-primary-alpha: rgba(99, 102, 241, 0.12);

  --accent-secondary: #0ea5e9; /* Sky blue */
  --accent-success: #10b981; /* Emerald */
  --accent-warning: #f59e0b; /* Amber */
  --accent-danger: #ef4444; /* Rose */

  --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 0.8) 100%);
  --gradient-glow: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.15), transparent 70%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);

  /* Layout & Spacing */
  --container-max: 1240px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Fonts */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Theme Overrides */
[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f293d;
  --bg-card: #131c2e;
  --bg-glass: rgba(19, 28, 46, 0.85);

  --border-color: #1e293b;
  --border-hover: #334155;
  --border-focus: #818cf8;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --accent-primary: #818cf8;
  --accent-primary-hover: #6366f1;
  --accent-primary-alpha: rgba(129, 140, 248, 0.18);

  --accent-secondary: #38bdf8;
  --accent-success: #34d399;
  --accent-warning: #fbbf24;
  --accent-danger: #f87171;

  --gradient-hero: linear-gradient(135deg, #6366f1 0%, #38bdf8 100%);
  --gradient-card: linear-gradient(180deg, rgba(19, 28, 46, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
  --gradient-glow: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.25), transparent 75%);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 35px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(129, 140, 248, 0.3);
}

/* Reset & Global Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: var(--gradient-glow);
  background-repeat: no-repeat;
  background-position: top center;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

.text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-logo svg {
  width: 34px;
  height: 34px;
  color: var(--accent-primary);
}

.brand-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--accent-primary-alpha);
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-trigger-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.kbd-shortcut {
  font-size: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--accent-primary-alpha);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.4rem;
}

/* Search Modal */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.search-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.search-modal-box {
  width: 100%;
  max-width: 640px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(-10px);
  transition: transform var(--transition-fast);
}

.search-modal.active .search-modal-box {
  transform: translateY(0);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.75rem;
}

.search-input-wrap svg {
  color: var(--text-muted);
  width: 22px;
  height: 22px;
}

.search-input {
  width: 100%;
  border: none;
  background: transparent;
  outline: none;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.search-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.75rem;
}

.search-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.search-item:hover {
  background: var(--bg-tertiary);
}

.search-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.search-item-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.search-item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-indigo { background: rgba(99, 102, 241, 0.12); color: var(--accent-primary); border: 1px solid rgba(99, 102, 241, 0.2); }
.badge-sky { background: rgba(14, 165, 233, 0.12); color: var(--accent-secondary); border: 1px solid rgba(14, 165, 233, 0.2); }
.badge-emerald { background: rgba(16, 185, 129, 0.12); color: var(--accent-success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-amber { background: rgba(245, 158, 11, 0.12); color: var(--accent-warning); border: 1px solid rgba(245, 158, 11, 0.2); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background: var(--gradient-hero);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--border-hover);
  color: var(--accent-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-primary-alpha);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-pill {
  border-radius: var(--radius-full);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-primary-alpha);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  max-width: 900px;
  margin: 0 auto 1.25rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

/* Platform Capsule Quick Access Buttons */
.platform-capsules-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}

.platform-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.platform-capsule:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--accent-primary);
}

.platform-capsule svg {
  width: 18px;
  height: 18px;
}

/* Section Header */
.section-header {
  margin-bottom: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.section-header.flex-row {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
}

.section-title {
  font-size: 1.9rem;
}

/* Featured Tools Grid */
.featured-grid-section {
  padding: 3rem 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tool-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}

.tool-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border-color);
}

.tool-name-wrap {
  margin-bottom: 0.75rem;
}

.tool-name {
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.tool-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

/* Metric Rating Bars */
.tool-metrics {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.metric-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.metric-bar-bg {
  width: 100px;
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: var(--gradient-hero);
  border-radius: var(--radius-full);
}

.metric-score {
  font-weight: 700;
  color: var(--text-primary);
  width: 28px;
  text-align: right;
}

.tool-card-actions {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* Interactive Taxonomy / Filter Controls */
.filter-section {
  padding: 2.5rem 0 1rem;
}

.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 80px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover, .filter-pill.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Latest Tutorials Posts Grid */
.posts-section {
  padding: 3rem 0;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.post-thumb {
  height: 180px;
  background: var(--bg-tertiary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-thumb img {
  transform: scale(1.05);
}

.post-category-tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
}

.post-content {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-title {
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.post-title a {
  color: var(--text-primary);
}

.post-title a:hover {
  color: var(--accent-primary);
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
}

/* FAQ Accordion Section */
.faq-section {
  padding: 3.5rem 0 4.5rem;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--border-hover);
}

.accordion-header {
  padding: 1.15rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  user-select: none;
}

.accordion-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--accent-primary);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal);
  padding: 0 1.4rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.accordion-item.active .accordion-body {
  padding: 0 1.4rem 1.25rem 1.4rem;
  border-top: 1px dashed var(--border-color);
}

/* Review & Download Detail Page Layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  padding: 2.5rem 0 4.5rem;
}

/* Detail Page Header Card */
.summary-header-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.75rem;
  align-items: center;
}

.summary-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border: 1px solid var(--border-color);
}

.summary-info h1 {
  font-size: 2rem;
  margin-bottom: 0.3rem;
}

.summary-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.overall-score-box {
  background: var(--accent-primary-alpha);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 120px;
}

.score-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
}

.score-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

/* Compatibility Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.data-table th, .data-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
  color: var(--text-primary);

}

.data-table tr:last-child td {
  border-bottom: none;
}

.status-online {
  color: var(--accent-success);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.status-online::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-success);
  border-radius: 50%;
}

/* Content Body Styles */
.content-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content-body h2 {
  font-size: 1.65rem;
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-color);
}

.content-body h3 {
  font-size: 1.3rem;
  margin: 1.75rem 0 0.75rem;
}

.content-body p {
  margin-bottom: 1.25rem;
}

.content-body ul, .content-body ol {
  margin: 0 0 1.25rem 1.5rem;
}

.content-body li {
  margin-bottom: 0.4rem;
}

/* Code Snippets & Highlighting */
.code-block {
  background: #0f172a;
  color: #f8fafc;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: #1e293b;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #94a3b8;
}

.copy-btn {
  background: transparent;
  border: 1px solid #334155;
  color: #cbd5e1;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: #334155;
  color: #ffffff;
}

.code-content {
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Pros and Cons Cards */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2rem 0;
}

.pros-card, .cons-card {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.pros-card {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.2);
}

.cons-card {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}

.pros-card h4 { color: var(--accent-success); margin-bottom: 0.75rem; }
.cons-card h4 { color: var(--accent-danger); margin-bottom: 0.75rem; }

.pros-cons-list {
  list-style: none;
  margin: 0 !important;
  padding: 0 !important;
}

.pros-cons-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.925rem;
  margin-bottom: 0.5rem;
}

/* Sidebar & TOC */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 90px;
}

.widget-title {
  font-size: 1.05rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.875rem;
}

.toc-link {
  color: var(--text-secondary);
  display: block;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover, .toc-link.active {
  color: var(--accent-primary);
  background: var(--accent-primary-alpha);
  border-left-color: var(--accent-primary);
}

/* Footer Section */
.site-footer {
  margin-top: auto;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h5 {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
}

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

.disclaimer-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar-widget {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .summary-header-card {
    grid-template-columns: auto 1fr;
  }
  
  .overall-score-box {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .pros-cons-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .tool-card-actions {
    grid-template-columns: 1fr;
  }
}