/* ===================================================
   xxyun 机场官网 - 莫兰迪冷灰 (Morandi Cool Grey) 极速科技风格
   Domain: xxyun1.cfd
=================================================== */

:root {
  /* Morandi Cool Grey Palette */
  --bg-primary: #0e1116;
  --bg-secondary: #161a22;
  --bg-tertiary: #1f2530;
  --bg-card: rgba(28, 34, 44, 0.75);
  --bg-card-hover: rgba(38, 46, 60, 0.9);
  --border-morandi: rgba(148, 163, 184, 0.16);
  --border-morandi-glow: rgba(56, 189, 248, 0.4);
  
  /* Morandi Slate & Greys */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Cool Morandi Tech Accents */
  --accent-cyan: #38bdf8;
  --accent-ice: #67e8f9;
  --accent-indigo: #818cf8;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-rose: #fb7185;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  --grad-morandi: linear-gradient(180deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  --grad-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(56, 189, 248, 0.12), transparent 40%);

  /* UI Tokens */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.25);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background: radial-gradient(circle at 50% 0%, #1e2634 0%, #0e1116 70%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Section Common */
.section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

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

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  background: var(--grad-primary);
  color: #0b0f17;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-morandi);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-morandi);
  transition: var(--transition-fast);
}

.site-header.scrolled {
  padding: 12px 0;
  background: rgba(14, 17, 22, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img {
  height: 40px;
  width: auto;
}

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

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.hero-glow-bg {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, rgba(129, 140, 248, 0.08) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

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

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 35px;
}

.hero-tag {
  padding: 6px 14px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-morandi);
}

.metric-item h4 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.metric-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Terminal / Radar Visual Mockup */
.cyber-panel {
  background: rgba(22, 26, 34, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7), 0 0 30px rgba(56, 189, 248, 0.1);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(30, 37, 48, 0.9);
  border-bottom: 1px solid var(--border-morandi);
}

.panel-dots {
  display: flex;
  gap: 6px;
}

.panel-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.panel-title {
  font-size: 0.8rem;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.panel-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(31, 37, 48, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.node-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.node-flag {
  font-size: 1.1rem;
}

.node-ping {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: monospace;
  font-weight: 600;
}

.node-ping.fast {
  color: var(--accent-emerald);
}

.node-ping.mid {
  color: var(--accent-cyan);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulseAnim 1.8s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* ===================================================
   Directive 4: H2 Articles Vertical Kinetic Stream
   (Top-to-Bottom Sequential Cyber Stream)
=================================================== */
.articles-stream-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
}

.articles-stream-container::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 32px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--accent-indigo) 50%, rgba(148, 163, 184, 0.1) 100%);
  z-index: 0;
}

.article-stream-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  transition: var(--transition-smooth);
}

.article-stream-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateX(8px);
  box-shadow: 0 12px 35px -5px rgba(56, 189, 248, 0.25);
}

.article-card-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2px;
}

.thumb-icon {
  font-size: 1.4rem;
}

.thumb-badge {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.article-card-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.article-tag-badge {
  color: var(--accent-cyan);
  font-weight: 600;
}

.article-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  transition: var(--transition-fast);
}

.article-stream-card:hover .article-card-title {
  color: var(--accent-cyan);
}

.article-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-keywords-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.mini-kw {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 4px;
  color: var(--text-muted);
}

.article-card-btn {
  font-size: 1.3rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.article-stream-card:hover .article-card-btn {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

/* ===================================================
   Directive 5: H3 Dynamic Kinetic Horizontal Pricing Track
=================================================== */
.pricing-wrapper {
  overflow-x: auto;
  padding: 20px 8px 35px 8px;
  margin: 0 -10px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-cyan) var(--bg-secondary);
  cursor: grab;
}

.pricing-wrapper::-webkit-scrollbar {
  height: 6px;
}

.pricing-wrapper::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 10px;
}

.pricing-wrapper::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 10px;
}

.pricing-track {
  display: flex;
  gap: 24px;
  min-width: 1080px;
}

.pricing-card {
  flex: 1;
  min-width: 270px;
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-cyan);
  box-shadow: 0 16px 40px -10px rgba(56, 189, 248, 0.3);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.85) 0%, rgba(22, 28, 38, 0.95) 100%);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 12px 40px -10px rgba(56, 189, 248, 0.35);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-primary);
  color: #0b0f17;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.pricing-header h4 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.pricing-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 38px;
}

.pricing-cost {
  margin: 20px 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-cost .currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.pricing-cost .amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-cost .period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

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

.pricing-features li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* ===================================================
   Directive 6: H4 Dual Interactive Section
   Left: Auto-Jumping Reviews / Right: Auto-Refreshing Speedtest
=================================================== */
.live-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: stretch;
}

.reviews-card, .speedtest-card {
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.reviews-carousel-box {
  position: relative;
  min-height: 200px;
}

.review-slide {
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.review-slide.active {
  display: block;
  opacity: 1;
}

.review-stars {
  color: var(--accent-amber);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #0b0f17;
  font-size: 1.1rem;
}

.reviewer-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.reviewer-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.reviews-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-morandi);
}

.review-dots {
  display: flex;
  gap: 8px;
}

.review-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.review-dot.active {
  background: var(--accent-cyan);
  width: 24px;
  border-radius: var(--radius-full);
}

/* Speedtest Card */
.speedtest-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.speedtest-header h4 {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.node-speed-table {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.speed-row {
  display: grid;
  grid-template-columns: 140px 1fr 85px 65px;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.speed-location {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.speed-bar-wrap {
  background: rgba(30, 41, 59, 0.8);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.speed-bar-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: 4px;
  transition: width 0.6s ease;
}

.speed-val {
  font-family: monospace;
  font-weight: 700;
  color: var(--accent-cyan);
  text-align: right;
}

.ping-val {
  font-family: monospace;
  color: var(--accent-emerald);
  text-align: right;
}

/* ===================================================
   Directive 7: H5 Side-by-Side Dynamic FAQ Accordion
=================================================== */
.faq-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  backdrop-filter: blur(14px);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.faq-card:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

.faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-header h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.faq-icon {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.faq-card.open .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-morandi);
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-card.open .faq-content {
  display: block;
}

/* ===================================================
   Directive 8: H6 Multi-Platform Device Protection
=================================================== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: var(--transition-smooth);
}

.device-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

.device-icon-box {
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.device-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.device-protocol {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.device-btn {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  padding: 4px 10px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-sm);
  margin-top: 4px;
  transition: var(--transition-fast);
}

.device-btn:hover {
  background: var(--accent-cyan);
  color: #0b0f17;
}

/* Footer */
.site-footer {
  background: #090c10;
  border-top: 1px solid var(--border-morandi);
  padding: 60px 0 30px 0;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand img {
  height: 38px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

/* Article Page Layout */
.article-header {
  padding: 40px 0 20px 0;
  border-bottom: 1px solid var(--border-morandi);
  margin-bottom: 40px;
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.article-main-title {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 14px;
}

.article-main-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.article-body {
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-lg);
  padding: 40px;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 35px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-morandi);
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 25px 0 12px 0;
}

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

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

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

.article-body code {
  background: rgba(30, 41, 59, 0.8);
  color: var(--accent-ice);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 30px 0;
  text-align: center;
}

.sidebar-sticky {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-morandi);
  border-radius: var(--radius-md);
  padding: 22px;
}

.sidebar-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-morandi);
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: block;
}

.sidebar-links a:hover {
  color: var(--accent-cyan);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-tags, .hero-cta-group {
    justify-content: center;
  }
  .live-dual-grid, .faq-dual-grid {
    grid-template-columns: 1fr;
  }
  .devices-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .devices-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-stream-card {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .article-card-thumb {
    display: none;
  }
  .articles-stream-container::before {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}