/* Cyberpunk / Neo-Cyber Theme for 老头VPN */
@import url('https://fonts.font.im/css?family=Fredoka+One|Rubik:500,700');

:root {
  --neon-green: #00FF88;
  --neon-green-glow: rgba(0, 255, 136, 0.4);
  --neon-purple: #8B5CF6;
  --neon-purple-glow: rgba(139, 92, 246, 0.4);
  --neon-cyan: #06B6D4;
  --cyber-bg: #07090E;
  --cyber-card: rgba(13, 18, 30, 0.82);
  --cyber-card-hover: rgba(20, 28, 48, 0.95);
  --cyber-border: rgba(139, 92, 246, 0.28);
  --cyber-border-active: rgba(0, 255, 136, 0.65);
  --cyber-text: #F1F5F9;
  --cyber-text-muted: #94A3B8;
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Rubik', 'Fredoka One', var(--font-main);
}

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

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--cyber-bg);
  color: var(--cyber-text);
  font-family: var(--font-main);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background Cyber Grid */
.cyber-grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(139, 92, 246, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 92, 246, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cyber-glow-orb-1 {
  position: fixed;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.cyber-glow-orb-2 {
  position: fixed;
  bottom: 10%;
  left: -150px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Layout Wrapper */
.cyber-wrap {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Navbar */
.cyber-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 9, 14, 0.85);
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.cyber-nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cyber-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.cyber-logo-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  padding: 4px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--neon-purple);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cyber-logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cyber-brand-text {
  display: flex;
  flex-direction: column;
}

.cyber-brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #FFF 20%, var(--neon-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyber-brand-tag {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--neon-purple);
  font-weight: 600;
  text-transform: uppercase;
}

.cyber-nav-status {
  display: none;
  align-items: center;
  gap: 8px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--neon-green);
  font-family: monospace;
}

@media (min-width: 768px) {
  .cyber-nav-status {
    display: inline-flex;
  }
}

.cyber-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
  animation: cyberPulse 1.8s infinite;
}

@keyframes cyberPulse {
  0% { transform: scale(0.95); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; filter: drop-shadow(0 0 6px var(--neon-green)); }
  100% { transform: scale(0.95); opacity: 0.6; }
}

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

/* Buttons */
.cyber-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  padding: 8px 18px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.cyber-btn-outline {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #E2E8F0;
}

.cyber-btn-outline:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--neon-purple);
  box-shadow: 0 0 16px var(--neon-purple-glow);
  color: #FFF;
  transform: translateY(-1px);
}

.cyber-btn-primary {
  background: linear-gradient(135deg, #00FF88 0%, #06B6D4 100%);
  border: 1px solid #00FF88;
  color: #050B14;
  font-weight: 700;
  box-shadow: 0 0 20px var(--neon-green-glow);
}

.cyber-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(0, 255, 136, 0.65);
  filter: brightness(1.1);
}

.cyber-btn-lg {
  font-size: 16px;
  padding: 13px 32px;
  border-radius: 10px;
}

/* Hero Section */
.cyber-hero {
  padding: 60px 0 40px;
  text-align: center;
  position: relative;
}

.cyber-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #C084FC;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.cyber-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #A855F7;
  box-shadow: 0 0 6px #A855F7;
}

.cyber-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.cyber-title-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--neon-green) 80%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyber-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--cyber-text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.cyber-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

/* HUD Live Metric Cards */
.cyber-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto 60px;
}

@media (min-width: 768px) {
  .cyber-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cyber-metric-card {
  background: var(--cyber-card);
  border: 1px solid var(--cyber-border);
  border-radius: 12px;
  padding: 18px 16px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
}

.cyber-metric-card:hover {
  border-color: var(--neon-purple);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
  transform: translateY(-3px);
}

.cyber-metric-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--neon-green);
  text-shadow: 0 0 12px rgba(0, 255, 136, 0.3);
  margin-bottom: 4px;
}

.cyber-metric-label {
  font-size: 13px;
  color: var(--cyber-text-muted);
  font-weight: 500;
}

/* Orbit Section */
.cyber-orbit-container {
  position: relative;
  width: 100%;
  min-height: 480px;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.12) 0%, rgba(7, 9, 14, 0.95) 70%), url('../images/space-unsplash.6m42pbctq4.webp') center center / cover no-repeat;
  border: 1px solid var(--cyber-border);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

/* Pricing Grid */
.cyber-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.cyber-section-tag {
  color: var(--neon-green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.cyber-section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  color: #FFF;
  margin-bottom: 12px;
}

.cyber-section-desc {
  color: var(--cyber-text-muted);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto;
}

.cyber-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 70px;
}

@media (min-width: 768px) {
  .cyber-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cyber-plan-card {
  background: var(--cyber-card);
  border: 1px solid var(--cyber-border);
  border-radius: 16px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}

.cyber-plan-card:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.25);
  transform: translateY(-4px);
}

.cyber-plan-card.featured {
  border-color: var(--neon-purple);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.25);
  background: linear-gradient(180deg, rgba(20, 26, 44, 0.95) 0%, rgba(13, 18, 30, 0.9) 100%);
}

.cyber-plan-card.featured::before {
  content: '⭐ 极客热门首选';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--neon-purple) 0%, #A855F7 100%);
  color: #FFF;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 999px;
  box-shadow: 0 0 12px var(--neon-purple-glow);
}

.cyber-plan-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cyber-plan-desc {
  font-size: 13px;
  color: var(--cyber-text-muted);
  margin-bottom: 24px;
}

.cyber-plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.cyber-currency {
  font-size: 20px;
  color: var(--neon-green);
  font-weight: 700;
}

.cyber-price-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  color: #FFF;
}

.cyber-price-unit {
  font-size: 14px;
  color: var(--cyber-text-muted);
}

.cyber-plan-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}

.cyber-plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #CBD5E1;
}

.cyber-check-icon {
  color: var(--neon-green);
  font-weight: bold;
}

/* Platforms / Clients Grid */
.cyber-clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 70px;
}

@media (min-width: 992px) {
  .cyber-clients-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cyber-client-card {
  background: var(--cyber-card);
  border: 1px solid var(--cyber-border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cyber-client-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.25);
  transform: translateY(-4px);
}

.cyber-client-icon {
  font-size: 48px;
  margin-bottom: 14px;
  color: var(--neon-cyan);
}

.cyber-client-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.cyber-client-badge {
  font-size: 12px;
  color: var(--cyber-text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 10px;
  border-radius: 6px;
}

/* App Matrix Section */
.cyber-matrix-box {
  background: var(--cyber-card);
  border: 1px solid var(--cyber-border);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 70px;
  position: relative;
  overflow: hidden;
}

.cyber-matrix-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  mask-image: linear-gradient(to left, rgba(0,0,0,1), transparent);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1), transparent);
  pointer-events: none;
}

.cyber-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.cyber-tag {
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: #E2E8F0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cyber-tag-green {
  border-color: rgba(0, 255, 136, 0.4);
  color: var(--neon-green);
  background: rgba(0, 255, 136, 0.08);
}

/* Footer */
.cyber-footer {
  border-top: 1px solid rgba(139, 92, 246, 0.2);
  padding: 50px 0 30px;
  background: rgba(5, 7, 11, 0.98);
}

.cyber-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.cyber-footer-link {
  color: var(--cyber-text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.cyber-footer-link:hover {
  color: var(--neon-green);
}

.cyber-footer-highlight {
  color: var(--neon-green) !important;
  font-weight: 700;
  text-shadow: 0 0 10px var(--neon-green-glow);
}

.cyber-copyright {
  text-align: center;
  font-size: 13px;
  color: #64748B;
}