/* ==========================================================================
   69云 (69/CLOUD) - Design System & Modern Responsive Stylesheet
   Tech Stack: Pure Native Vanilla CSS (Zero Heavy Frameworks for Instant Load)
   Design System: Deep Space #050510, Glassmorphism, Periwinkle & Cyan Accents
   ========================================================================== */

:root {
  --bg-deep: #050510;
  --bg-panel: rgba(20, 20, 40, 0.55);
  --bg-panel-hover: rgba(30, 30, 60, 0.7);
  --bg-card: rgba(18, 18, 38, 0.65);
  --border-subtle: 1px solid rgba(140, 160, 255, 0.18);
  --border-glow: 1px solid rgba(123, 155, 255, 0.45);
  
  --text-main: #F5F7FF;
  --text-muted: #8A93B8;
  --text-dim: #5C658A;
  
  --accent-blue: #7B9BFF;
  --accent-purple: #A06BFF;
  --accent-cyan: #5DE0F5;
  --accent-gold: #FFB800;
  --accent-green: #00E599;
  
  --glow-accent: 0 0 35px rgba(123, 155, 255, 0.45);
  --glow-cyan: 0 0 25px rgba(93, 224, 245, 0.4);
  --shadow-card: 0 16px 36px rgba(0, 0, 0, 0.5);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: 'IBM Plex Mono', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-main);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background 3D Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: auto; /* Allow dragging */
}

/* Loading Overlay */
#loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loader-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.spinner-ring {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(123, 155, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-right-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 20px rgba(93, 224, 245, 0.3);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Layout Content Wrapper */
.content-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  pointer-events: none; /* Let canvas capture drags on empty space */
}

/* Re-enable pointer events for interactive elements */
header, footer, section, nav, a, button, .interactive-card, input, select {
  pointer-events: auto;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(8, 8, 20, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: var(--border-subtle);
  transition: all 0.3s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.logo-badge {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: #FFFFFF;
  box-shadow: var(--glow-accent);
  transition: transform 0.3s ease;
}

.brand-logo:hover .logo-badge {
  transform: rotate(5deg) scale(1.06);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.slash-cloud {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-item a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.25s ease;
  position: relative;
}

.nav-item a:hover, .nav-item a.active {
  color: #FFFFFF;
}

.nav-item.highlight-nav a {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-item.highlight-nav a::after {
  content: "HOT";
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: linear-gradient(90deg, #FF4D4D, #FF8000);
  color: #FFF;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: 700;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-blue);
  background: rgba(123, 155, 255, 0.08);
  border: 1px solid rgba(123, 155, 255, 0.4);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-login:hover {
  background: rgba(123, 155, 255, 0.2);
  color: #FFFFFF;
  border-color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(123, 155, 255, 0.35);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  position: relative;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px;
  background: rgba(20, 20, 40, 0.65);
  border: var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(93, 224, 245, 0.7); }
  70% { transform: scale(1.15); box-shadow: 0 0 0 10px rgba(93, 224, 245, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(93, 224, 245, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.accent-gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-desc strong {
  color: #FFFFFF;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: var(--glow-accent);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(123, 155, 255, 0.65);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--bg-panel);
  color: var(--text-main);
  border: var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(30, 30, 60, 0.7);
  border-color: var(--accent-blue);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Dofollow Hero Button */
.btn-dofollow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: rgba(255, 184, 0, 0.12);
  color: #FFD700;
  border: 1px solid rgba(255, 184, 0, 0.4);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.btn-dofollow:hover {
  background: rgba(255, 184, 0, 0.25);
  border-color: #FFD700;
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.35);
  transform: translateY(-2px);
}

.interaction-hint {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blinking-cursor {
  display: inline-block;
  width: 6px;
  height: 12px;
  background: var(--accent-cyan);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ==========================================================================
   Stats Strip
   ========================================================================== */
.stats-section {
  padding: 20px 0 60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.stat-item {
  padding: 30px 24px;
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 20%;
  right: 0;
  height: 60%;
  width: 1px;
  background: rgba(140, 160, 255, 0.18);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.stat-value span {
  color: var(--accent-cyan);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Feature Cards (3 Core + 3x2 Grid)
   ========================================================================== */
.features-section {
  padding: 60px 0;
}

.core-advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.interactive-card {
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  backdrop-filter: blur(16px);
  transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.interactive-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.interactive-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(123, 155, 255, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 30px rgba(123, 155, 255, 0.25);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(123, 155, 255, 0.12);
  border: 1px solid rgba(123, 155, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(123, 155, 255, 0.2);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #FFFFFF;
}

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

/* 3x2 Tech Spec Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech-cell {
  background: rgba(16, 16, 34, 0.6);
  border: var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.tech-cell:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 15px rgba(93, 224, 245, 0.2);
}

.tech-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.tech-mono-id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  font-weight: 700;
  background: rgba(93, 224, 245, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.tech-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.tech-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.tech-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Streaming & AI Support Section
   ========================================================================== */
.streaming-section {
  padding: 60px 0;
}

.streaming-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.media-card {
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.media-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-purple);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 25px rgba(160, 107, 255, 0.25);
}

.media-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.media-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.media-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  background: rgba(0, 229, 153, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.media-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Pricing Table Section
   ========================================================================== */
.pricing-section {
  padding: 60px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(123, 155, 255, 0.4);
  box-shadow: var(--shadow-card), 0 0 30px rgba(123, 155, 255, 0.2);
}

.pricing-card.featured {
  border: 2px solid var(--accent-blue);
  background: rgba(26, 26, 56, 0.7);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 35px rgba(123, 155, 255, 0.3);
  transform: scale(1.04);
  z-index: 2;
}

.pricing-card.featured:hover {
  transform: scale(1.06) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 15px rgba(123, 155, 255, 0.5);
  letter-spacing: 1px;
}

.plan-header {
  margin-bottom: 20px;
  text-align: center;
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-price-wrap {
  text-align: center;
  padding: 16px 0;
  border-top: 1px dashed rgba(140, 160, 255, 0.15);
  border-bottom: 1px dashed rgba(140, 160, 255, 0.15);
  margin-bottom: 24px;
}

.currency {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  font-weight: 600;
  vertical-align: top;
  margin-right: 2px;
}

.price-num {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: #FFFFFF;
}

.price-period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li strong {
  color: #FFFFFF;
}

.plan-features li .check-icon {
  color: var(--accent-cyan);
  font-size: 1rem;
}

.btn-plan {
  width: 100%;
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  background: rgba(123, 155, 255, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(123, 155, 255, 0.4);
}

.btn-plan:hover {
  background: var(--accent-blue);
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(123, 155, 255, 0.4);
}

.btn-plan-featured {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--glow-accent);
}

.btn-plan-featured:hover {
  box-shadow: 0 0 35px rgba(123, 155, 255, 0.7);
  transform: translateY(-2px);
}

/* ==========================================================================
   User Testimonials (用户评价)
   ========================================================================== */
.testimonials-section {
  padding: 60px 0;
}

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

.review-card {
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(16px);
  transition: transform 0.3s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(123, 155, 255, 0.35);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #FFFFFF;
  font-size: 1rem;
}

.user-meta .user-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: #FFFFFF;
}

.user-meta .user-tag {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.stars {
  color: #FFB800;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.review-comment {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 60px 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  backdrop-filter: blur(16px);
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(123, 155, 255, 0.4);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

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

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(140, 160, 255, 0.1);
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
}

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

/* ==========================================================================
   CTA Band Section
   ========================================================================== */
.cta-band-section {
  padding: 80px 0 100px;
}

.cta-panel {
  background: linear-gradient(135deg, rgba(20, 20, 45, 0.8) 0%, rgba(35, 25, 65, 0.8) 100%);
  border: 1px solid rgba(140, 160, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 50px rgba(123, 155, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.cta-panel h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-panel p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: rgba(6, 6, 14, 0.85);
  border-top: var(--border-subtle);
  backdrop-filter: blur(16px);
  padding: 50px 0 35px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  margin-bottom: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-nav a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: all 0.25s ease;
  position: relative;
}

.footer-nav a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(93, 224, 245, 0.5);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Article & Secondary Pages Common Styles
   ========================================================================== */
.page-header {
  padding: 80px 0 40px;
  text-align: center;
}

.article-body {
  max-width: 860px;
  margin: 0 auto 80px;
  background: var(--bg-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  line-height: 1.85;
  color: #DDE2F5;
}

.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #FFFFFF;
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(140, 160, 255, 0.15);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 18px;
  font-size: 1rem;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--accent-blue);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.article-body a:hover {
  color: var(--accent-cyan);
}

.article-body .callout-box {
  background: rgba(123, 155, 255, 0.08);
  border-left: 4px solid var(--accent-blue);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

.article-body .callout-gold {
  background: rgba(255, 184, 0, 0.08);
  border-left: 4px solid var(--accent-gold);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

/* ==========================================================================
   Responsive Media Queries (@media)
   Mobile Friendly Single Column & Big Touch Buttons
   ========================================================================== */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  .core-advantages-grid {
    grid-template-columns: 1fr;
  }
  .streaming-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(8, 8, 20, 0.96);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-subtle);
    flex-direction: column;
    padding: 24px 20px;
    gap: 18px;
  }

  .nav-links.active {
    display: flex;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .stat-item:nth-child(1), .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(140, 160, 255, 0.18);
  }

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

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

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

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

  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary, .btn-dofollow {
    width: 100%;
    justify-content: center;
  }

  .article-body {
    padding: 24px 18px;
  }
}