/* 首屏内联骨架屏 - 匹配实际页面布局，React挂载后被替换 */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #eff6ff 0%, #ede9fe 100%);
}

#inline-skeleton {
  display: block;
}
#inline-skeleton .sk-hero {
  padding: 80px 20px;
  text-align: center;
}
#inline-skeleton .sk-hero-title {
  height: 48px;
  width: 480px;
  max-width: 90%;
  background: linear-gradient(90deg, #d1d5db 25%, #e5e7eb 50%, #d1d5db 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  border-radius: 8px;
  margin: 0 auto 16px;
}
#inline-skeleton .sk-hero-desc {
  height: 24px;
  width: 520px;
  max-width: 80%;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  border-radius: 6px;
  margin: 0 auto 24px;
}
#inline-skeleton .sk-hero-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
}
#inline-skeleton .sk-hero-btn {
  height: 44px;
  width: 140px;
  background: linear-gradient(90deg, #dbeafe 25%, #eff6ff 50%, #dbeafe 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  border-radius: 8px;
}
#inline-skeleton .sk-hero-btn.secondary {
  background: linear-gradient(90deg, #f3f4f6 25%, #fafafa 50%, #f3f4f6 75%);
  background-size: 200% 100%;
}
#inline-skeleton .sk-features {
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  #inline-skeleton .sk-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  #inline-skeleton .sk-features { grid-template-columns: 1fr; }
}
#inline-skeleton .sk-card {
  background: white;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
#inline-skeleton .sk-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(90deg, #dbeafe 25%, #eff6ff 50%, #dbeafe 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  margin: 0 auto 16px;
}
#inline-skeleton .sk-card-title {
  height: 20px;
  width: 70%;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  border-radius: 4px;
  margin: 0 auto 12px;
}
#inline-skeleton .sk-card-desc {
  height: 14px;
  width: 85%;
  background: linear-gradient(90deg, #f3f4f6 25%, #fafafa 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.5s infinite;
  border-radius: 4px;
  margin: 0 auto;
}
@keyframes sk-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
#inline-skeleton.hide {
  display: none !important;
}