body {
      font-family: "Noto Serif TC", "PMingLiU", serif;
      background: #fafafa;
      color: #333;
      margin: 0;
      padding: 0;
      line-height: 1.6;
    }
    header {
      background: #34495e;
      color: white;
      padding: 40px 20px;
      text-align: center;
    }
    header h1 {
      margin: 0;
      font-size: 2.2em;
    }
    header p {
      font-size: 1.1em;
      margin-top: 10px;
      color: #ddd;
    }
    .intro {
      max-width: 800px;
      margin: 30px auto;
      padding: 0 20px;
      font-size: 1.05em;
    }
    .bookGrid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      max-width: 1000px;
      margin: 40px auto;
      padding: 0 20px;
    }
    .bookCard {
      background: white;
      border: 1px solid #ddd;
      border-radius: 6px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
      padding: 15px;
      text-align: center;
      transition: transform 0.2s;
    }
    .bookCard:hover {
      transform: translateY(-5px);
    }
    .bookCard img {
      max-width: 100%;
      border-radius: 4px;
    }
    .bookCard h3 {
      margin: 10px 0 5px;
      font-size: 1.2em;
      color: #2c3e50;
    }
    .bookCard a {
      text-decoration: none;
      color: #2980b9;
      font-weight: bold;
    }
    footer {
      text-align: center;
      padding: 20px;
      margin-top: 50px;
      font-size: 0.9em;
      background: #f0f0f0;
      color: #666;
    }