 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        .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;
        }
        .page-title {
            font-size: 24px;
            margin: 15px 0;
            color: #2c3e50;
        }
        .filter-bar {
            background-color: white;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .filter-group {
            margin-right: 30px;
            margin-bottom: 10px;
        }
        .filter-label {
            font-weight: bold;
            margin-right: 10px;
            font-size: 14px;
        }
        .filter-select {
            padding: 5px 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background-color: white;
        }
        .book-list {
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        .list-header {
            display: grid;
            grid-template-columns: 40% 15% 15% 15% 15%;
            background-color: #f8f9fa;
            padding: 12px 15px;
            font-weight: bold;
            border-bottom: 1px solid #eee;
        }
        .list-item {
            display: grid;
            grid-template-columns: 40% 15% 15% 15% 15%;
            padding: 15px;
            border-bottom: 1px solid #eee;
            align-items: center;
        }
        .list-item:last-child {
            border-bottom: none;
        }
        .list-item:hover {
            background-color: #f9f9f9;
        }
        .book-title {
            font-weight: bold;
        }
        .book-title a {
            color: #2c3e50;
            text-decoration: none;
        }
        .book-title a:hover {
            color: #e74c3c;
        }
        .book-author, .book-category, .book-status, .book-update {
            font-size: 14px;
            color: #555;
        }
        .book-author a {
            color: #3498db;
            text-decoration: none;
        }
        .book-author a:hover {
            text-decoration: underline;
        }
        .book-status.completed {
            color: #27ae60;
        }
        .book-status.serial {
            color: #f39c12;
        }
        .pagination {
            margin-top: 30px;
            text-align: center;
        }
        .pagination a, .pagination span {
            display: inline-block;
            padding: 8px 15px;
            margin: 0 5px;
            border: 1px solid #ddd;
            border-radius: 4px;
            text-decoration: none;
            color: #3498db;
            background-color: white;
        }
        .pagination a:hover {
            background-color: #f5f5f5;
        }
        .pagination .current {
            background-color: #3498db;
            color: white;
            border-color: #3498db;
        }
        .pagination .disabled {
            color: #ccc;
            pointer-events: none;
        }
        footer {
            background-color: #2c3e50;
            color: white;
            text-align: center;
            padding: 20px 0;
            margin-top: 40px;
        }