/* ==========================================================================
   良心云机场 (Liangxinyun Airport) - Light Minimalist & Sliding Gradient Styling
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;
  --secondary: #0ea5e9;
  --accent: #6366f1;
  --accent-cyan: #06b6d4;
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 30px -5px rgba(15, 23, 42, 0.1), 0 8px 12px -6px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.18);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sliding Gradient Animation Keyframes */
@keyframes gradientSliding {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatAmbient {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-15px) scale(1.05); }
}

@keyframes shimmerEffect {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 10px 30px rgba(37, 99, 235, 0.18); }
  50% { box-shadow: 0 14px 40px rgba(14, 165, 233, 0.3); }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sliding Gradient Background Utility */
.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 50%, #6366f1 100%);
  background-size: 200% auto;
  animation: gradientSliding 6s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #0284c7 50%, #6366f1 100%);
  background-size: 200% 200%;
  animation: gradientSliding 5s ease infinite;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.45);
  color: #ffffff;
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
}

.btn-primary:hover::after {
  animation: shimmerEffect 1.2s ease-in-out;
}

.btn-cyan {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.3);
  font-weight: 800;
}

.btn-cyan:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(2, 132, 199, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--primary-border);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.06);
}

/* Navigation Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  background-size: 200% 200%;
  animation: gradientSliding 5s ease infinite;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
}

/* Banner / Ticker Announcement */
.announcement-bar {
  background: linear-gradient(90deg, #eff6ff 0%, #e0f2fe 50%, #e0e7ff 100%);
  background-size: 200% 200%;
  animation: gradientSliding 8s ease infinite;
  border-bottom: 1px solid #bfdbfe;
  padding: 10px 0;
  font-size: 0.875rem;
  color: #1e40af;
  text-align: center;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
}

.announcement-tag {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #fff;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
}

/* Hero Section */
.hero {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.45;
  animation: floatAmbient 10s ease-in-out infinite;
}

.blob-1 {
  top: -60px;
  left: 20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
}

.blob-2 {
  top: 100px;
  right: 18%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
  animation-delay: -5s;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1.2px;
  color: var(--text-main);
  margin: 24px 0;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  margin-top: 40px;
  position: relative;
}

.hero-stats::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(14, 165, 233, 0.1), rgba(99, 102, 241, 0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 600;
}

/* Sections */
.section {
  padding: 90px 0;
  position: relative;
}

.section-alt {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin: 14px 0 18px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-lg);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Pricing Section - Clean Light-Mode Styling (统一浅色系) */
.pricing-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1140px;
  margin: 0 auto;
}

.pricing-card-matched {
  background: #ffffff;
  color: var(--text-main);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 38px 28px 32px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card-matched:hover {
  transform: translateY(-8px);
  border-color: var(--primary-border);
  box-shadow: 0 20px 45px rgba(37, 99, 235, 0.12);
}

.pricing-card-matched.featured {
  background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
  border: 2px solid var(--primary);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.18);
  animation: pulseGlow 4s infinite ease-in-out;
}

.pricing-ribbon-matched {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  color: #ffffff;
  padding: 4px 22px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.pricing-card-title {
  font-size: 1.6rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-main);
}

.pricing-card-price {
  font-size: 2.85rem;
  font-weight: 900;
  text-align: center;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.pricing-card-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card-subtitle {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.pricing-card-features {
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-feature-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.925rem;
  color: #334155;
  margin-bottom: 14px;
  font-weight: 500;
}

.pricing-feature-line span.icon-sparkle {
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pricing-card-btn {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  color: #ffffff;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.pricing-card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.45);
  color: #ffffff;
}

/* Tutorial Section */
.tutorial-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tutorial-tabs {
  display: flex;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
}

.tutorial-tab {
  padding: 18px 32px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.tutorial-tab:hover, .tutorial-tab.active {
  color: var(--primary);
  background: var(--bg-card);
  border-bottom-color: var(--primary);
}

.tutorial-body {
  padding: 40px;
}

.tutorial-step-list {
  display: grid;
  gap: 28px;
}

.tutorial-step {
  display: flex;
  gap: 24px;
}

.step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-weight: 900;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.step-content h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.code-box {
  background: #0f172a;
  color: #38bdf8;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.9rem;
  margin-top: 12px;
  word-break: break-all;
}

/* User Reviews Section */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.review-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25);
}

.review-user-info h4 {
  font-size: 1.05rem;
  font-weight: 800;
}

.review-user-info p {
  font-size: 0.825rem;
  color: var(--text-light);
}

.review-stars {
  color: #f59e0b;
  margin-bottom: 14px;
  font-size: 1rem;
}

.review-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* FAQ Accordion Section */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

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

.faq-item:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 22px 28px;
  font-weight: 800;
  font-size: 1.08rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-answer {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  display: none;
  border-top: 1px stroke var(--border-color);
  padding-top: 18px;
}

.faq-item.active .faq-answer {
  display: block;
}

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

/* Articles Section Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-border);
}

.article-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.825rem;
  color: var(--text-light);
  margin-bottom: 14px;
}

.article-tag {
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.article-title {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 14px;
}

.article-title a {
  color: var(--text-main);
}

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

.article-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
  flex-grow: 1;
}

.article-link {
  font-size: 0.9rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Article Page Content Container */
.article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--text-muted);
  font-weight: 500;
}

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

.article-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.35;
  margin: 18px 0;
  color: var(--text-main);
}

.article-info-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #334155;
}

.article-content h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 44px 0 20px;
  color: var(--text-main);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 30px 0 16px;
  color: var(--text-main);
}

.article-content p {
  margin-bottom: 22px;
}

.article-content ul, .article-content ol {
  margin: 0 0 26px 26px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  font-size: 0.95rem;
}

.article-content th, .article-content td {
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.article-content th {
  background: var(--bg-subtle);
  font-weight: 800;
  color: var(--text-main);
}

.callout-box {
  background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
  border-left: 4px solid var(--primary);
  padding: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
  color: #1e3a8a;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0d152a 100%);
  color: #ffffff;
  padding: 44px;
  border-radius: var(--radius-lg);
  margin: 52px 0;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-banner h3 {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 14px;
  color: #ffffff;
}

.cta-banner p {
  color: #94a3b8;
  margin-bottom: 28px;
  font-size: 1.05rem;
}

/* Related Posts Component */
.related-posts {
  margin-top: 70px;
  padding-top: 44px;
  border-top: 1px solid var(--border-color);
}

.related-title {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 28px;
}

/* Legal Container */
.legal-container {
  max-width: 880px;
  margin: 40px auto 80px;
  padding: 44px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.legal-container h1 {
  font-size: 2.3rem;
  font-weight: 900;
  margin-bottom: 24px;
}

.legal-container h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin: 32px 0 16px;
}

.legal-container p {
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* Footer */
.footer {
  background: #0b1329;
  color: #94a3b8;
  padding: 80px 0 36px;
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 22px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  color: #94a3b8;
  font-weight: 500;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .features-grid, .pricing-grid-3col, .reviews-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 28px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu.active { display: flex; }
  .hero-title { font-size: 2.1rem; }
  .features-grid, .pricing-grid-3col, .reviews-grid, .articles-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .tutorial-tabs { overflow-x: auto; }
}