/* 全局样式定义 */
body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #0A1F3D, #198754);
  color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  padding: 50px 20px;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
}

header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  color: #FFC107;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 20px;
  margin: 20px 0;
  transition: transform 0.3s ease;
}

.glass-card:hover {
  transform: scale(1.03);
}

article {
  margin-top: 40px;
}

h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  color: #198754;
  margin-top: 30px;
}

p {
  font-size: 1rem;
  margin: 15px 0;
}

code {
  background: rgba(0, 0, 0, 0.5);
  padding: 5px 10px;
  border-radius: 5px;
  display: block;
  margin: 10px 0;
}

pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 15px;
  border-radius: 10px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 10px 0;
}

.module {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.module-item {
  text-align: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.module-item:hover {
  transform: translateY(-5px);
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }
  
  .module {
    grid-template-columns: 1fr;
  }
}