/* GG扑克 iOS 客户端 — 清爽天空蓝主题样式 */

.gradient-text {
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-grid {
  background-image: linear-gradient(rgba(14, 165, 233, 0.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(14, 165, 233, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

.nav-blur {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.12);
}

.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(14, 165, 233, 0.16);
  border-color: #0ea5e9;
}

.btn-glow {
  transition: box-shadow .35s ease, transform .35s ease;
}
.btn-glow:hover {
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.4);
  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 #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow .3s ease;
}
.faq-item:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}
.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);
}

/* 下载步骤卡片序号 */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  flex-shrink: 0;
}

/* 版本卡片悬停 */
.version-card {
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.version-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(14, 165, 233, 0.16);
  border-color: #0ea5e9;
}