/* ===================================================================
   SSR Dog - ChronoRoute High-Speed Gateway
   Aesthetic: Swiss International Kinetic Design
   Palette: Midnight Forest Emerald (#061412), Crisp Paper White (#F4F5F6), Neon Chartreuse (#D4FF00)
   =================================================================== */

:root {
  /* Default: Daytime / Light Mode (Crisp Paper White Base) */
  --bg-primary: #F4F5F6;
  --bg-secondary: #EBECEE;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8F9FA;
  --bg-translucent: rgba(244, 245, 246, 0.90);
  
  --text-primary: #061412;        /* Midnight Forest Emerald */
  --text-secondary: #243532;
  --text-muted: #5C6E6B;
  
  --accent-neon: #8CA600;         /* High-contrast olive-chartreuse for light bg text */
  --accent-neon-glow: #D4FF00;    /* Pure Neon Chartreuse for highlights & dark elements */
  --accent-emerald: #061412;
  --accent-surface: #061412;      /* Dark badges in light mode for brutalist Swiss contrast */
  --accent-surface-text: #D4FF00;
  
  --border-color: rgba(6, 20, 18, 0.15);
  --border-strong: rgba(6, 20, 18, 0.45);
  --border-neon: rgba(140, 166, 0, 0.5);
  
  --nav-shadow: 0 1px 0 rgba(6, 20, 18, 0.12);
  --card-shadow: 0 4px 0 rgba(6, 20, 18, 0.08);
  --card-shadow-hover: 0 14px 28px -4px rgba(6, 20, 18, 0.12);
  
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", Courier, monospace;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 9999px;
  
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.2, 0, 0, 1);
}

[data-theme="dark"] {
  /* Night / Dark Mode (Midnight Forest Emerald Base) */
  --bg-primary: #061412;          /* Midnight Forest Emerald */
  --bg-secondary: #0A1C19;
  --bg-card: #0D221F;
  --bg-card-hover: #122C28;
  --bg-translucent: rgba(6, 20, 18, 0.90);
  
  --text-primary: #F4F5F6;        /* Crisp Paper White */
  --text-secondary: #A6B8B5;
  --text-muted: #677E7A;
  
  --accent-neon: #D4FF00;         /* Pure Radiant Neon Chartreuse */
  --accent-neon-glow: #D4FF00;
  --accent-emerald: #00FFB2;
  --accent-surface: #D4FF00;
  --accent-surface-text: #061412;
  
  --border-color: rgba(212, 255, 0, 0.18);
  --border-strong: rgba(212, 255, 0, 0.5);
  --border-neon: rgba(212, 255, 0, 0.6);
  
  --nav-shadow: 0 1px 0 rgba(212, 255, 0, 0.16);
  --card-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  --card-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.6);
}

/* ===================================================================
   Reset & Swiss Structural Grid
   =================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

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

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Swiss Structural Utility */
.editorial-grid {
  display: grid;
  border-top: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
}

.editorial-cell {
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 36px 32px;
}

.meta-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  border-radius: var(--radius-xs);
  margin-bottom: 16px;
}

/* ===================================================================
   Header & Navigation (with Smooth Anchor links & "推荐资讯")
   =================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: var(--bg-translucent);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--nav-shadow);
  transition: var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.28rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-neon-glow);
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius-xs);
  display: inline-block;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border-left: 1px solid var(--border-color);
  padding-left: 12px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-neon-glow);
  transition: width 0.2s ease;
}

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

.nav-tag-news {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  margin-left: 4px;
  vertical-align: middle;
}

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

/* Translucent & Professional Day/Night Mode Switcher */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: var(--transition-normal);
  outline: none;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-neon-glow);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.theme-icon-sun,
.theme-icon-moon {
  position: absolute;
  width: 18px;
  height: 18px;
  transition: opacity 0.3s ease, transform 0.4s var(--ease-spring);
}

[data-theme="light"] .theme-icon-sun,
html:not([data-theme="dark"]) .theme-icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
  pointer-events: none;
}

[data-theme="light"] .theme-icon-moon,
html:not([data-theme="dark"]) .theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
  color: var(--accent-neon);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
  pointer-events: none;
}

/* Swiss Brutalist Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.94rem;
  font-weight: 700;
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--accent-surface);
  color: var(--accent-surface-text) !important;
  border: 1px solid var(--accent-neon-glow);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 255, 0, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.mobile-nav-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

/* ===================================================================
   Hero Section: Editorial Grid & Interactive Route Slider
   =================================================================== */
.hero-section {
  position: relative;
  padding: 70px 0 50px;
  border-bottom: 1px solid var(--border-color);
}

.hero-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00E599;
  box-shadow: 0 0 10px #00E599;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

.hero-editorial-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 50px;
}

.hero-title-group h1 {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-transform: none;
}

.hero-title-group .brand-accent {
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  padding: 2px 14px;
  border-radius: var(--radius-xs);
  display: inline-block;
}

.hero-intro {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 34px;
  max-width: 620px;
}

.hero-cta-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Interactive Live Transit Speed Slider Module */
.hero-slider-module {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 32px 28px;
  box-shadow: var(--card-shadow);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.slider-module-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.slider-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.slider-value-display {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text-primary);
}

.slider-value-display span {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.interactive-slider-track {
  width: 100%;
  margin: 18px 0 24px;
}

.interactive-slider-track input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  outline: none;
  cursor: pointer;
}

.interactive-slider-track input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: var(--accent-surface);
  border: 2px solid var(--accent-neon-glow);
  border-radius: var(--radius-xs);
  cursor: ew-resize;
  transition: transform 0.15s ease;
}

.interactive-slider-track input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

/* Morphed Real-time Telemetry Cards */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.telemetry-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 12px;
  text-align: left;
  transition: var(--transition-fast);
}

.telemetry-card .t-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.telemetry-card .t-val {
  font-family: var(--font-mono);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

/* Latency Morphing Bar */
.latency-morph-bar-wrap {
  margin-top: 18px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.latency-morph-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.latency-bar-track {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xs);
  overflow: hidden;
  position: relative;
}

.latency-bar-fill {
  height: 100%;
  width: 18%;
  background: var(--accent-neon-glow);
  border-right: 2px solid var(--accent-emerald);
  transition: width 0.15s ease;
}

/* ===================================================================
   Kinetic Marquee Acceleration
   =================================================================== */
.kinetic-marquee-section {
  border-bottom: 1px solid var(--border-color);
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  user-select: none;
}

.marquee-container {
  display: flex;
  width: max-content;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-right: 36px;
}

.marquee-sep {
  color: var(--accent-neon-glow);
  opacity: 0.7;
}

/* ===================================================================
   Section Headers & Core Advantages (3 Cards)
   =================================================================== */
.section-wrap {
  padding: 90px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-head-editorial {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  margin-bottom: 50px;
}

.section-index-num {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-muted);
  line-height: 1;
}

.section-title-main {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-desc-main {
  margin-top: 10px;
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 720px;
}

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

.feature-box-swiss {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
}

.feature-box-swiss:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--card-shadow-hover);
}

.feature-top-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 26px;
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-muted);
}

.feature-box-swiss h3 {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.feature-box-swiss p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-data-list {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-data-list li {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-data-list li::before {
  content: "■";
  color: var(--accent-neon-glow);
  font-size: 0.7rem;
}

/* ===================================================================
   Streaming & AI Dual Cards (Zero Small Icons, Pure Editorial Grid)
   =================================================================== */
.stream-ai-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.editorial-card-big {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 42px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.editorial-card-big:hover {
  border-color: var(--border-strong);
  box-shadow: var(--card-shadow-hover);
}

.editorial-card-big h3 {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.editorial-card-big p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 30px;
}

.platform-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.platform-pill {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
}

.platform-pill:hover {
  border-color: var(--text-primary);
}

.spec-metrics-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.spec-metric-item {
  font-family: var(--font-mono);
}

.spec-metric-item .s-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.spec-metric-item .s-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* ===================================================================
   Smooth Card Cascade (Pricing Deck with Spring-Physics Fan-out)
   =================================================================== */
.pricing-deck-wrapper {
  position: relative;
  perspective: 1200px;
  margin: 30px auto 0;
}

.pricing-deck-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  transition: transform 0.4s var(--ease-spring);
}

/* Stacked Deck Fan-Out Effect */
.pricing-deck-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s ease, border-color 0.25s ease;
  transform-origin: bottom center;
}

.pricing-deck-card:nth-child(1) {
  transform: rotate(-1.5deg) translateY(6px);
}

.pricing-deck-card:nth-child(2) {
  transform: rotate(0deg) translateY(-8px);
  border: 2px solid var(--text-primary);
  box-shadow: 0 12px 32px rgba(6, 20, 18, 0.12);
}

.pricing-deck-card:nth-child(3) {
  transform: rotate(1.5deg) translateY(6px);
}

/* When hover deck container, fan them out with crisp spring physics */
.pricing-deck-container:hover .pricing-deck-card {
  transform: rotate(0deg) translateY(0);
}

.pricing-deck-container:hover .pricing-deck-card:hover {
  transform: translateY(-14px) scale(1.02);
  border-color: var(--accent-neon-glow);
  box-shadow: var(--card-shadow-hover);
  z-index: 10;
}

.pricing-deck-card .tier-header {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.pricing-deck-card .tier-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 12px;
}

.pricing-deck-card .tier-badge.popular {
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  border-color: var(--accent-neon-glow);
}

.tier-name {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: var(--text-primary);
}

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

.price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 16px;
}

.price-currency {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-primary);
}

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

.tier-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 32px;
  flex-grow: 1;
}

.tier-specs li {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tier-specs li strong {
  color: var(--text-primary);
}

.tier-specs li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

/* ===================================================================
   User Testimonials (Editorial Review Grid)
   =================================================================== */
.testimonials-grid-swiss {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card-swiss {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.testimonial-card-swiss:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.t-rating {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-neon-glow);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.t-author {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  font-family: var(--font-mono);
}

.t-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
}

.t-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===================================================================
   FAQ (Accordion with Smooth Easing)
   =================================================================== */
.faq-wrap-swiss {
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border-color);
}

.faq-item-swiss {
  border-bottom: 1px solid var(--border-color);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 24px 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  outline: none;
  transition: var(--transition-fast);
}

.faq-question-btn:hover {
  color: var(--accent-neon);
}

.faq-indicator {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 400;
  transition: transform 0.3s ease;
}

.faq-item-swiss.active .faq-indicator {
  transform: rotate(45deg);
  color: var(--accent-neon-glow);
}

.faq-answer-swiss {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.2, 0, 0, 1);
}

.faq-answer-inner-swiss {
  padding-bottom: 26px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ===================================================================
   CTA Banner Before Footer
   =================================================================== */
.cta-banner-swiss {
  background: var(--accent-surface);
  color: var(--accent-surface-text);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 60px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-banner-text h2 {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.cta-banner-text p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
}

/* ===================================================================
   Footer (Strictly 4 Links Opening in New Window)
   =================================================================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
}

.footer-inner-swiss {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.footer-brand-title {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.footer-links-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links-row a {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links-row a:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.footer-bottom-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  width: 100%;
}

/* ===================================================================
   Sub-pages / Dedicated Content Layout (about, terms, privacy, sitemap, news)
   =================================================================== */
.page-top-hero {
  padding: 70px 0 50px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.page-top-hero h1 {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.page-top-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
}

.subpage-body {
  max-width: 880px;
  margin: 50px auto 80px;
  padding: 0 24px;
}

.article-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 44px;
  margin-bottom: 28px;
  box-shadow: var(--card-shadow);
}

.article-block h2 {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.article-block p, .article-block li {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-block p {
  margin-bottom: 18px;
}

.article-block ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

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

.insight-post-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

/* ===================================================================
   SEO Long-form Article Structure Components (TOC, FAQ, Related)
   =================================================================== */
.article-toc {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-surface);
  border-radius: var(--radius-xs);
  padding: 24px 28px;
  margin: 28px 0 36px;
}

.article-toc-title {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-toc-list li a {
  font-size: 0.94rem;
  color: var(--text-secondary);
  font-weight: 600;
  display: inline-block;
  transition: var(--transition-fast);
}

.article-toc-list li a:hover {
  color: var(--accent-neon);
  transform: translateX(4px);
}

.article-faq-section {
  margin: 44px 0 32px;
  border-top: 1px solid var(--border-color);
  padding-top: 36px;
}

.article-faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.article-faq-q {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.article-faq-a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.article-related-section {
  margin: 50px 0 20px;
  border-top: 2px solid var(--border-color);
  padding-top: 36px;
}

.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.related-card:hover {
  border-color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow);
}

.related-card h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 10px;
}

.related-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.related-card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-neon);
  text-transform: uppercase;
}

/* Article Hub List Layout */
.article-hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.hub-article-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 36px 32px;
  transition: var(--transition-normal);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.hub-article-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
}

.hub-article-info h2 {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
  color: var(--text-primary);
}

.hub-article-info p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 780px;
}

@media (max-width: 768px) {
  .article-related-grid {
    grid-template-columns: 1fr;
  }
  .hub-article-item {
    grid-template-columns: 1fr;
  }
}


/* ===================================================================
   Responsive Mobile Optimization (@media)
   =================================================================== */
@media (max-width: 1024px) {
  .hero-editorial-wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .features-grid-swiss,
  .pricing-deck-container,
  .testimonials-grid-swiss {
    grid-template-columns: 1fr;
  }
  .pricing-deck-card:nth-child(1),
  .pricing-deck-card:nth-child(2),
  .pricing-deck-card:nth-child(3) {
    transform: none !important;
  }
  .pricing-deck-container:hover .pricing-deck-card:hover {
    transform: translateY(-4px) !important;
  }
  .cta-banner-swiss {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-wrapper {
    height: 64px;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--card-shadow);
  }
  .mobile-nav-toggle {
    display: block;
  }
  .hero-title-group h1 {
    font-size: 2.5rem;
  }
  .section-head-editorial {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stream-ai-container {
    grid-template-columns: 1fr;
  }
  .footer-links-row {
    flex-direction: column;
    gap: 12px;
  }
  .article-block {
    padding: 26px 20px;
  }
}