src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  @apply bg-gray-50 text-gray-900;
}

@layer components {
  .btn-primary {
    @apply bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-lg font-medium transition-all active:scale-95;
  }
}

/* 自定义动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.5s ease-out forwards;
}