/* -------------------------------------------------------------
 * 飞鸟机场 (FlyingBird) Landing Page & SEO Knowledge Base Stylesheet
 * Advanced UI/UX, Dynamic Themes, Glassmorphism & Micro-animations
 * ------------------------------------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  /* Default Cyberpunk Neon Theme (theme-cyber) */
  --bg-main: #0b0f19;
  --bg-card: rgba(18, 24, 40, 0.75);
  --bg-card-hover: rgba(28, 38, 62, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(0, 242, 254, 0.3);
  
  --primary-glow: #00f2fe;
  --primary-grad: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  --secondary-grad: linear-gradient(135deg, #7F00FF 0%, #E100FF 100%);
  --accent-grad: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --status-online: #00f5a0;
  --status-warning: #ffb703;
  
  --shadow-neon: 0 0 25px rgba(0, 242, 254, 0.25);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  
  --font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

/* Theme 2: Aurora Emerald Glow */
[data-theme="aurora"] {
  --bg-main: #061713;
  --bg-card: rgba(12, 36, 29, 0.75);
  --bg-card-hover: rgba(20, 56, 45, 0.85);
  --bg-glass: rgba(8, 28, 22, 0.7);
  --border-color: rgba(0, 245, 160, 0.12);
  --border-highlight: rgba(0, 245, 160, 0.4);
  --primary-glow: #00f5a0;
  --primary-grad: linear-gradient(135deg, #00f5a0 0%, #00d9f5 100%);
  --secondary-grad: linear-gradient(135deg, #0575E6 0%, #00F666 100%);
  --accent-grad: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --shadow-neon: 0 0 25px rgba(0, 245, 160, 0.3);
}

/* Theme 3: Sunset Flame & Rose Gold */
[data-theme="sunset"] {
  --bg-main: #190b14;
  --bg-card: rgba(40, 16, 30, 0.75);
  --bg-card-hover: rgba(60, 24, 45, 0.85);
  --bg-glass: rgba(28, 10, 20, 0.7);
  --border-color: rgba(255, 110, 196, 0.12);
  --border-highlight: rgba(255, 110, 196, 0.4);
  --primary-glow: #ff6ec7;
  --primary-grad: linear-gradient(135deg, #ff6ec7 0%, #7873f5 100%);
  --secondary-grad: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
  --accent-grad: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
  --shadow-neon: 0 0 25px rgba(255, 110, 196, 0.3);
}

/* Theme 4: Obsidian Ultra Blue */
[data-theme="obsidian"] {
  --bg-main: #05070c;
  --bg-card: rgba(15, 20, 32, 0.8);
  --bg-card-hover: rgba(25, 33, 50, 0.9);
  --bg-glass: rgba(10, 14, 23, 0.75);
  --border-color: rgba(56, 189, 248, 0.1);
  --border-highlight: rgba(56, 189, 248, 0.35);
  --primary-glow: #38bdf8;
  --primary-grad: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  --secondary-grad: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
  --accent-grad: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
  --shadow-neon: 0 0 25px rgba(56, 189, 248, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Dynamic Canvas Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-glow);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 48px auto;
  text-align: center;
}

/* Header & Glass Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-neon);
  font-size: 1.3rem;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary-glow);
}

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

/* Theme Dropdown */
.theme-selector {
  position: relative;
}

.theme-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.theme-btn:hover {
  border-color: var(--border-highlight);
  background: rgba(255, 255, 255, 0.1);
}

.theme-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 170px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-card);
  z-index: 101;
}

.theme-menu.active {
  display: flex;
}

.theme-option {
  padding: 8px 12px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.theme-option:hover, .theme-option.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.theme-dot.cyber { background: #00f2fe; }
.theme-dot.aurora { background: #00f5a0; }
.theme-dot.sunset { background: #ff6ec7; }
.theme-dot.obsidian { background: #38bdf8; }

/* Main CTA Button with Random Jump */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 14px;
  background: var(--primary-grad);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-neon);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: rotate(30deg);
  transition: all 0.6s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px var(--primary-glow);
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}

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

/* Hero Section */
.hero-section {
  padding: 170px 0 100px 0;
  text-align: center;
  position: relative;
}

.hero-banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 99px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-highlight);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-glow);
  margin-bottom: 24px;
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 242, 254, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 242, 254, 0.5); }
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 40px auto;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 54px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-glow);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Node Latency & Status Section */
.status-section {
  padding: 90px 0;
  position: relative;
}

.status-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.node-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.node-region {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.15rem;
  font-weight: 700;
}

.flag-icon {
  font-size: 1.5rem;
}

.node-ping {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(0, 245, 160, 0.1);
  border: 1px solid rgba(0, 245, 160, 0.3);
  color: var(--status-online);
  font-size: 0.875rem;
  font-weight: 700;
}

.ping-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--status-online);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.node-details {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.test-speed-btn {
  width: 100%;
  margin-top: 20px;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.test-speed-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-highlight);
}

/* Pricing Section */
.pricing-section {
  padding: 90px 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.price-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.price-card.featured {
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-neon);
  transform: scale(1.03);
  background: rgba(22, 32, 54, 0.85);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-grad);
  color: #fff;
  padding: 4px 18px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.price-name {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.price-val {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 24px;
}

.price-val span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.price-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.price-features li i {
  color: var(--primary-glow);
  font-size: 1.1rem;
}

/* Core Advantages Section */
.advantages-section {
  padding: 90px 0;
  position: relative;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.adv-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
}

.adv-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-6px);
}

.adv-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary-glow);
  margin-bottom: 20px;
}

.adv-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.adv-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* FAQ Section */
.faq-section {
  padding: 90px 0;
}

.faq-accordion {
  max-width: 860px;
  margin: 40px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--primary-glow);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

/* Knowledge Base & Tutorials Section */
.kb-section {
  padding: 90px 0;
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.kb-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.kb-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.kb-badge {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--border-highlight);
  color: var(--primary-glow);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.kb-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  color: var(--text-main);
  transition: color 0.3s ease;
}

.kb-card:hover .kb-card-title {
  color: var(--primary-glow);
}

.kb-card-snippet {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.kb-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.kb-link-action {
  color: var(--primary-glow);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* User Reviews Section */
.reviews-section {
  padding: 90px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.review-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  position: relative;
}

.stars {
  color: #ffb703;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
}

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

/* SEO Keywords Footer Bar & Footer */
.keywords-cloud-section {
  padding: 50px 0;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
}

.kw-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.kw-tag-item {
  padding: 8px 18px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.kw-tag-item:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--border-highlight);
  color: var(--primary-glow);
}

.site-footer {
  padding: 60px 0 30px 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-glass);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

/* Article Detail Page Specific Styles */
.article-header {
  padding: 160px 0 40px 0;
  text-align: center;
}

.article-body-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px;
  margin-bottom: 80px;
  box-shadow: var(--shadow-card);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.article-content h2 {
  font-size: 1.8rem;
  color: var(--text-main);
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
  font-size: 1.4rem;
  color: var(--primary-glow);
  margin: 28px 0 14px 0;
}

.article-content p {
  margin-bottom: 20px;
}

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

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

.article-content blockquote {
  border-left: 4px solid var(--primary-glow);
  padding: 16px 24px;
  background: rgba(0, 242, 254, 0.05);
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  font-style: italic;
}

.article-cta-box {
  background: var(--primary-grad);
  border-radius: 20px;
  padding: 36px;
  text-align: center;
  color: #fff;
  margin: 48px 0 24px 0;
  box-shadow: var(--shadow-neon);
}

.article-cta-box h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: #fff !important;
}

.article-cta-box p {
  margin-bottom: 24px;
  opacity: 0.9;
}

.btn-white {
  background: #ffffff;
  color: #0b0f19;
  padding: 14px 36px;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .pricing-grid, .status-card-grid, .adv-grid, .kb-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.3rem; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .pricing-grid, .status-card-grid, .adv-grid, .kb-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .price-card.featured { transform: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .article-body-wrapper { padding: 24px; }
}