* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.8;
        }
        .container {
            width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        header {
            background-color: #2c3e50;
            color: white;
            padding: 20px 0;
            margin-bottom: 20px;
        }
        .logo {
            font-size: 28px;
            font-weight: bold;
        }
        nav {
            margin-top: 15px;
        }
        nav a {
            color: white;
            text-decoration: none;
            margin-right: 20px;
            font-size: 16px;
        }
        nav a:hover {
            color: #f39c12;
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: 14px;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .book-info {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .book-title {
            font-size: 24px;
            margin-bottom: 5px;
            color: #2c3e50;
        }
        .book-meta {
            font-size: 14px;
            color: #7f8c8d;
            margin-bottom: 15px;
        }
        .book-meta span {
            margin-right: 15px;
        }
        .book-meta a {
            color: #3498db;
            text-decoration: none;
        }
        .book-meta a:hover {
            text-decoration: underline;
        }
        .chapter-nav {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .chapter-nav a {
            display: inline-block;
            padding: 10px 20px;
            background-color: #3498db;
            color: white;
            text-decoration: none;
            border-radius: 4px;
        }
        .chapter-nav a:hover {
            background-color: #2980b9;
        }
        .chapter-nav a.disabled {
            background-color: #bdc3c7;
            pointer-events: none;
        }
        .chapter-title {
            font-size: 22px;
            text-align: center;
            margin: 20px 0;
            color: #2c3e50;
        }
        .chapter-content {
            background-color: white;
            padding: 30px;
            border-radius: 5px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            font-size: 16px;
            line-height: 1.8;
        }
        .chapter-content p {
            margin-bottom: 1.5em;
            text-indent: 2em;
        }
        .reading-settings {
            background-color: white;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .setting-group {
            margin: 0 15px;
        }
        .setting-label {
            margin-right: 8px;
            font-size: 14px;
        }
        .setting-select {
            padding: 5px 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background-color: white;
        }
        .chapter-list {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .chapter-list-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .chapter-items {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 10px;
        }
        .chapter-item a {
            display: block;
            padding: 8px;
            color: #3498db;
            text-decoration: none;
            font-size: 14px;
            border-radius: 3px;
        }
        .chapter-item a:hover {
            background-color: #f5f5f5;
        }
        .chapter-item a.current {
            color: white;
            background-color: #3498db;
        }
        .comments {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .comments-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .comment-form {
            margin-bottom: 30px;
        }
        .comment-textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            min-height: 100px;
            margin-bottom: 10px;
            font-size: 14px;
        }
        .comment-submit {
            padding: 8px 20px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .comment-submit:hover {
            background-color: #2980b9;
        }
        .comment-list {
            margin-top: 20px;
        }
        .comment-item {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .comment-header {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #eee;
            margin-right: 10px;
        }
        .comment-user {
            font-weight: bold;
            margin-right: 10px;
        }
        .comment-time {
            font-size: 12px;
            color: #7f8c8d;
        }
        .comment-content {
            font-size: 14px;
            line-height: 1.6;
        }
        footer {
            background-color: #2c3e50;
            color: white;
            text-align: center;
            padding: 20px 0;
            margin-top: 40px;
        }