@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.animate-slide-in-left { animation: slideInLeft 0.8s ease-out forwards; }
.animate-slide-in-right { animation: slideInRight 0.8s ease-out forwards; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
html { scroll-behavior: smooth; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif; }
.gradient-text {
  background: linear-gradient(135deg, #0EA5E9, #6366F1, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-bg {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}
.card-hover {
  transition: all 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}