/* ============ AA扑克 俱乐部ID 0063 ============ */
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: #faf9ff;
}

/* 渐变文字 */
.gradient-text {
  background-image: linear-gradient(120deg, #4f46e5 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 网格背景 */
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(99,102,241,0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139,92,246,0.07) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* 导航毛玻璃 */
.nav-blur {
  background: rgba(255,255,255,0.86) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 34px rgba(124,58,237,0.10);
  border-bottom: 1px solid rgba(226,232,240,0.6);
}

/* 卡片悬浮 */
.card-hover {
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.card-hover:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 50px rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.45);
}

/* 发光按钮 */
.btn-glow {
  box-shadow: 0 12px 30px rgba(124,58,237,0.4);
  transition: transform .3s ease, box-shadow .3s ease;
}
.btn-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(124,58,237,0.52);
}

/* 入场动画 */
.fade-in {
  animation: slideUp .9s ease both;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* FAQ 手风琴 */
.faq-item {
  border: 1px solid #e5e1f5;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  background: #fff;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.active {
  border-color: rgba(124,58,237,0.5);
  box-shadow: 0 14px 36px rgba(124,58,237,0.10);
}
.faq-question { cursor: pointer; width: 100%; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
.faq-answer.open { max-height: 460px; }
.faq-icon { transition: transform .4s ease; }
.faq-item.active .faq-icon { transform: rotate(180deg); color: #7c3aed; }