/* 微扑克赛事 — 深色赛事主题样式 */

.gradient-text {
  background: linear-gradient(135deg, #3b82f6, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-grid {
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
}

.nav-blur {
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

.card-hover {
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.card-hover:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(168, 85, 247, 0.22);
  border-color: #a855f7;
}

.btn-glow {
  transition: box-shadow .35s ease, transform .35s ease;
}
.btn-glow:hover {
  box-shadow: 0 12px 32px rgba(168, 85, 247, 0.55);
  transform: translateY(-2px);
}

.fade-in {
  animation: fadeInUp .9s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

.faq-item {
  border: 1px solid #1e293b;
  border-radius: 14px;
  overflow: hidden;
  background: #0f172a;
  transition: border-color .3s ease;
}
.faq-item:hover {
  border-color: #a855f7;
}
.faq-question {
  cursor: pointer;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer.open {
  max-height: 320px;
}
.faq-icon {
  transition: transform .35s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}