  body {
      font-family: 'Microsoft YaHei', sans-serif;
      background-color: #f5f5f5;
      color: #333;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px;
  }
  
  h1 {
      text-align: center;
      color: #e74c3c;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .calendar-container {
      background-color: white;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
      padding: 20px;
      margin-bottom: 20px;
  }
  
  .calendar-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
  }
  
  .month-year {
      font-size: 24px;
      font-weight: bold;
      color: #2c3e50;
  }
  
  .nav-buttons button {
      background-color: #3498db;
      color: white;
      border: none;
      padding: 8px 15px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 16px;
      transition: background-color 0.3s;
  }
  
  .nav-buttons button:hover {
      background-color: #2980b9;
  }
  
  .calendar-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 10px;
  }
  
  .day-header {
      text-align: center;
      font-weight: bold;
      padding: 10px;
      background-color: #f1c40f;
      color: white;
      border-radius: 5px;
  }
  
  .calendar-day {
      height: 100px;
      padding: 5px;
      border-radius: 5px;
      background-color: #ecf0f1;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s;
  }
  
  .calendar-day:hover {
      transform: translateY(-3px);
      box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }
  
  .day-number {
      font-weight: bold;
      margin-bottom: 5px;
  }
  
  .today {
      background-color: #2ecc71;
      color: white;
  }
  
  .other-month {
      opacity: 0.5;
      background-color: #bdc3c7;
  }
  
  .event {
      font-size: 12px;
      padding: 2px 5px;
      margin: 2px 0;
      border-radius: 3px;
      color: white;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
  }
  
  .holiday {
      background-color: #e74c3c;
  }
  
  .special-day {
      background-color: #9b59b6;
  }
  
  .fun-fact {
      margin-top: 5px;
      font-size: 10px;
      color: #7f8c8d;
      font-style: italic;
  }
  
  .controls {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 20px;
  }
  
  .fun-features {
      background-color: white;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
      padding: 20px;
      margin-top: 20px;
  }
  
  .feature {
      margin-bottom: 15px;
  }
  
  .feature h3 {
      color: #3498db;
      margin-bottom: 10px;
  }
  
  .zodiac-sign {
      position: absolute;
      bottom: 5px;
      right: 5px;
      font-size: 12px;
      color: #e67e22;
      font-weight: bold;
  }
  
  .moon-phase {
      position: absolute;
      top: 5px;
      right: 5px;
      font-size: 16px;
  }