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

:root {
  --primary-color: #232F3E;
  --secondary-color: #FF9900;
  --accent-color: #0D6EFD;
  --text-color: #333333;
  --light-gray: #F8F9FA;
  --white: #FFFFFF;
}

body {
  font-family: 'Roboto', sans-serif;
  color: var(--text-color);
}

@layer components {
  .container {
    @apply max-w-7xl mx-auto px-6 lg:px-8;
  }
  
  .section {
    @apply py-16;
  }
  
  .btn-primary {
    @apply inline-block bg-secondary text-white px-6 py-3 rounded hover:bg-opacity-90 transition-all duration-300 relative overflow-hidden;
  }
  
  .btn-secondary {
    @apply inline-block border border-white text-white px-6 py-3 rounded hover:bg-white/10 transition-all duration-300;
  }
  
  .card-hover {
    @apply transition-all duration-300 hover:-translate-y-1 hover:shadow-xl;
  }
}

/* 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #FF9900;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 导航栏样式 */
.nav-scrolled {
  background-color: rgba(35, 47, 62, 0.95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}