/* AA扑克代理 —— 招商合作主题 */

:root {
  --brand-indigo: #4f46e5;
  --brand-emerald: #10b981;
  --brand-ink: #0f172a;
  --brand-muted: #64748b;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: #f8fafc;
  color: var(--brand-ink);
}

.gradient-text {
  background: linear-gradient(135deg, #4f46e5 0%, #10b981 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(79, 70, 229, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 70, 229, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
}

.nav-blur {
  background: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.card-hover {
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 48px -12px rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.45);
}

.btn-glow {
  box-shadow: 0 10px 28px -6px rgba(79, 70, 229, 0.5);
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -6px rgba(16, 185, 129, 0.55);
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp .8s cubic-bezier(.22, .61, .36, 1) forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.faq-item.active {
  box-shadow: 0 12px 32px -12px rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.4);
}
.faq-question {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-weight: 600;
  color: #0f172a;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 22px;
  color: #475569;
  line-height: 1.8;
  font-size: 15px;
}
.faq-item.active .faq-answer { max-height: 400px; padding: 0 22px 20px; }
.faq-icon { transition: transform .35s ease; color: #10b981; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

.benefit-tag {
  position: absolute;
  top: 18px;
  right: 18px;
}