@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(99,102,241,0.3); }
  50% { box-shadow: 0 0 40px rgba(99,102,241,0.6); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 500px; }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.animate-fadeInUp { animation: fadeInUp 0.8s ease-out forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.8s ease-out forwards; }
.animate-fadeInRight { 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-countUp { animation: countUp 0.6s ease-out forwards; }
.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 6s ease 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; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #0B1120;
  color: #E2E8F0;
  overflow-x: hidden;
}
.bg-hero-pattern {
  background-image: radial-gradient(circle at 20% 50%, rgba(99,102,241,0.15) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(139,92,246,0.1) 0%, transparent 50%),
                    radial-gradient(circle at 50% 80%, rgba(245,158,11,0.08) 0%, transparent 50%);
}
.bg-section-alt {
  background: linear-gradient(180deg, #0F172A 0%, #131C31 50%, #0F172A 100%);
}
.card-hover {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99,102,241,0.2);
}
.glass-effect {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(99,102,241,0.15);
}
.text-gradient {
  background: linear-gradient(135deg, #6366F1, #A78BFA, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-gold {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn-primary {
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99,102,241,0.4);
}
.btn-gold {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-gold::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn-gold:hover::before { left: 100%; }
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245,158,11,0.4);
}
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #6366F1, #A78BFA, #F59E0B);
  transform: translateX(-50%);
}
.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  border: 3px solid #0F172A;
  box-shadow: 0 0 15px rgba(99,102,241,0.5);
}
.faq-item {
  border: 1px solid rgba(99,102,241,0.15);
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(99,102,241,0.4);
}
.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, #6366F1, #A78BFA);
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: #A78BFA; }
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.3), transparent);
}
.game-card-overlay {
  background: linear-gradient(180deg, transparent 0%, rgba(11,17,32,0.95) 100%);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0B1120; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #6366F1, #8B5CF6);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: #A78BFA; }
.page-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #0F172A 100%);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}
.inner-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: 12px;
  transition: all 0.3s ease;
}
.inner-card:hover {
  border-color: rgba(99,102,241,0.35);
  background: rgba(30, 41, 59, 0.8);
}
@media (max-width: 768px) {
  .timeline-line { left: 20px; }
  .stat-number { font-size: 1.8rem; }
}