@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.3); }
  50% { box-shadow: 0 0 40px rgba(6, 182, 212, 0.6); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.animate-fade-in-left { animation: fadeInLeft 0.8s ease-out forwards; }
.animate-fade-in-right { animation: fadeInRight 0.8s ease-out forwards; }
.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}
.animate-count-up { animation: countUp 0.6s ease-out forwards; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.hero-gradient {
  background: linear-gradient(135deg, #0f172a 0%, #164e63 50%, #0e7490 100%);
}
.section-gradient-light {
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
}
.section-gradient-dark {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}
.cta-gradient {
  background: linear-gradient(135deg, #0891b2 0%, #06b6d4 50%, #22d3ee 100%);
}
.card-hover {
  transition: all 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.15);
}
.text-gradient {
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}
.glass-effect {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.step-connector {
  position: relative;
}
.step-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, transparent);
}
.faq-item {
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: #06b6d4;
}
.badge-float {
  animation: float 3s ease-in-out infinite;
}
.badge-float:nth-child(2) { animation-delay: 0.5s; }
.badge-float:nth-child(3) { animation-delay: 1s; }
html { scroll-behavior: smooth; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', 'Heiti SC', sans-serif; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #0891b2; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #06b6d4; }