/* 基本样式 */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  color: #333;
}

/* 信息栏（时钟和天气） */
.info-bar {
  position: fixed;
  top: 20px;
  left: 20px;
  display: flex;
  gap: 20px;
  background: rgba(255, 255, 255, 0.8);
  padding: 10px 20px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.clock, .weather {
  font-size: 1.2rem;
  font-weight: 600;
  color: #d32f2f;
}

.welcome {
  text-align: center;
  font-size: 2rem;
  margin-top: 2rem;
  transition: opacity 0.5s ease;
  color: #d32f2f;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.module-card {
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.module-link {
  text-decoration: none;
  color: #333;
  font-size: 1.2rem;
  font-weight: 600;
}

.footer {
  text-align: center;
  margin-top: 2rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.8);
}

#beian {
  color: #666;
  text-decoration: none;
}