body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
    text-align: center;
  }
  
  header {
    padding: 60px 20px 20px;
  }
  
  h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
  }
  
  .subtitle {
    color: #777;
    font-size: 1rem;
  }
  
  nav {
    margin-top: 20px;
  }
  
  nav a {
    margin: 0 12px;
    text-decoration: none;
    color: #555;
    transition: color 0.2s;
  }
  
  nav a.active {
    font-weight: bold;
    color: #0078ff;
  }
  
  nav a:hover {
    color: #0078ff;
  }
  
  .intro {
    margin-top: 40px;
    padding: 0 20px;
  }
  
  .avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 2px solid #0078ff;
  }
  
  button {
    padding: 10px 20px;
    background-color: #0078ff;
    border: none;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  button:hover {
    background-color: #005ec9;
  }
  
  footer {
    margin-top: 80px;
    font-size: 0.9rem;
    color: #888;
    padding-bottom: 20px;
  }
  
  /* 作品与收藏卡片布局 */
  .gallery {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 30px;
  }
  
  .card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 260px;
    text-align: center;
    transition: transform 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  .card img {
    width: 100%;
    border-radius: 10px 10px 0 0;
  }
  
  .card h3 {
    margin: 15px 0 10px;
  }
  
  .about {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
  }
  
  .avatar-large {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid #0078ff;
    margin-bottom: 20px;
  }
  
  /* 详情页 */
  .detail {
    max-width: 800px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: left;
  }
  
  .detail-img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
  }
  
  .quiz-btn,
  .back-btn {
    display: block;
    margin: 30px 0;
    color: #0078ff;
    text-decoration: none;
  }
  
  .quiz-btn:hover,
  .back-btn:hover {
    text-decoration: underline;
  }