/* ==========================================================================
   龙猫云 (TotoroYun.best) - 赛博极速流样式表 (Cyber Speed Aesthetic)
   Pure Native CSS - 0 External Dependencies - Ultra Fast Performance
   ========================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: rgba(14, 19, 31, 0.75);
  --bg-card-hover: rgba(20, 28, 48, 0.9);
  --border-neon: rgba(0, 245, 160, 0.25);
  --border-glow: rgba(0, 217, 245, 0.4);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --neon-green: #00f5a0;
  --neon-cyan: #00d9f5;
  --neon-purple: #9d4edd;
  --neon-pink: #f72585;

  --gradient-cyber: linear-gradient(135deg, #00f5a0 0%, #00d9f5 50%, #9d4edd 100%);
  --gradient-btn: linear-gradient(135deg, #00f5a0 0%, #00d9f5 100%);
  --gradient-btn-hover: linear-gradient(135deg, #00d9f5 0%, #00f5a0 100%);

  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --shadow-neon: 0 0 25px rgba(0, 245, 160, 0.25);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.7);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

body {
  line-height: 1.6;
  overflow-x: hidden;
  background: 
    radial-gradient(circle at 50% 0%, rgba(0, 245, 160, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 85% 30%, rgba(157, 78, 221, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 15% 70%, rgba(0, 217, 245, 0.08) 0%, transparent 50%),
    var(--bg-dark);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Badge & Headers */
.cyber-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 245, 160, 0.1);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-full);
  color: var(--neon-green);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  box-shadow: 0 0 15px rgba(0, 245, 160, 0.15);
}

.cyber-tag .pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-green);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--gradient-btn);
  color: #040812;
  box-shadow: 0 4px 20px rgba(0, 245, 160, 0.35);
}

.btn-primary:hover {
  background: var(--gradient-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 217, 245, 0.5);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: var(--border-subtle);
  backdrop-filter: blur(10px);
}

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

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(7, 9, 14, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
}

.logo-badge {
  background: var(--gradient-cyber);
  color: #040812;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

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

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

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

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

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 38px auto;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Real-time latency tickers */
.latency-ticker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.ticker-item .ms {
  color: var(--neon-green);
  font-weight: 700;
}

/* Comparison Table */
.comparison-section {
  padding: 90px 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparison-table th, .comparison-table td {
  padding: 20px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.03);
  font-size: 1.05rem;
  color: #fff;
}

.comparison-table th.highlight-col {
  background: rgba(0, 245, 160, 0.08);
  color: var(--neon-green);
  border-left: 1px solid var(--border-neon);
  border-right: 1px solid var(--border-neon);
}

.comparison-table td.highlight-col {
  background: rgba(0, 245, 160, 0.04);
  color: #fff;
  border-left: 1px solid var(--border-neon);
  border-right: 1px solid var(--border-neon);
  font-weight: 600;
}

/* Features Grid */
.features-section { padding: 90px 0; }

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0, 217, 245, 0.2);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 245, 160, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--neon-green);
}

/* Pricing Grid */
.pricing-section { padding: 100px 0; }

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

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

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(0, 245, 160, 0.08) 0%, rgba(14, 19, 31, 0.95) 100%);
  border: 2px solid var(--neon-green);
  box-shadow: var(--shadow-neon);
  transform: scale(1.03);
}

.pricing-card.featured:hover { transform: scale(1.04) translateY(-6px); }

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

.price-box .price {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
}

.pricing-card.featured .price {
  color: var(--neon-green);
}

/* Footer */
.footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 44px 0;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.footer-nav a:hover { color: var(--neon-green); }

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

@media (max-width: 992px) {
  .features-grid-3, .pricing-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.6rem; }
}