:root {
            --primary-color: #3498db;
            --secondary-color: #2980b9;
            --accent-color: #e74c3c;
            --text-color: #333;
            --light-text: #666;
            --lightest-gray: #f8f9fa;
            --light-gray: #e9ecef;
            --gray: #dee2e6;
            --dark-gray: #adb5bd;
            --border-radius: 8px;
            --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--lightest-gray);
            color: var(--text-color);
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            padding: 20px 0;
        }

        .header-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .navigation-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        .nav-button {
            display: inline-block;
            padding: 6px 14px;
            background-color: #f5f5f5;
            color: var(--text-color);
            text-decoration: none;
            border-radius: 4px;
            font-size: 13px;
            transition: var(--transition);
            border: 1px solid var(--gray);
        }

        .nav-button:hover {
            background-color: var(--light-gray);
        }

        .logo-container {
            text-align: center;
        }

        .logo {
            max-width: 180px;
            height: auto;
        }

        .search-container {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--box-shadow);
        }

        .search-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .search-input-group {
            display: flex;
            width: 100%;
        }

        .search-input {
            flex: 1;
            padding: 10px 15px; /* 减小高度 */
            border: 1px solid var(--gray);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 16px;
            transition: var(--transition);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 0; /* 减小高度 */
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            width: 150px; /* 桌面版固定宽度 */
            text-align: center;
            flex-shrink: 0; /* 防止按钮宽度被压缩 */
        }

        .search-button:hover {
            background-color: var(--secondary-color);
        }

        .search-options {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 15px;
        }

        .option-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .radio-group, .checkbox-group {
            display: flex;
            align-items: center;
            gap: 5px;
            cursor: pointer;
        }

        .radio-group input, .checkbox-group input {
            cursor: pointer;
        }

        .select-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        select {
            padding: 8px 10px;
            border: 1px solid var(--gray);
            border-radius: 4px;
            background-color: white;
            cursor: pointer;
        }

        .results-container {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--box-shadow);
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--light-gray);
            margin-bottom: 20px;
        }

        .results-count {
            font-size: 14px;
            color: var(--light-text);
        }

        .results-count b {
            color: var(--text-color);
        }

        .result-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--light-gray);
        }

        .result-item:last-child {
            border-bottom: none;
        }

        .result-title {
            margin-bottom: 10px;
        }

        .result-title a {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 18px;
            font-weight: 600;
            transition: var(--transition);
        }

        .result-title a:hover {
            color: var(--secondary-color);
        }

        .result-relevance {
            font-size: 12px;
            color: var(--light-text);
            font-weight: normal;
            margin-left: 10px;
            white-space: nowrap; /* 防止文本换行 */
            display: inline-block; /* 确保内联块级显示 */
        }

        .result-content {
            margin-bottom: 10px;
            color: var(--text-color);
            font-size: 14px;
            line-height: 1.6;
        }

        .result-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 12px;
            color: var(--light-text);
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .meta-item strong {
            color: var(--text-color);
        }

        .pagination {
            display: flex;
            justify-content: center;
            flex-wrap: wrap; /* 允许翻页按钮换行 */
            margin-top: 30px;
            gap: 2px;
            list-style: none;
            padding: 0;
            max-width: 100%; /* 确保不超过父容器 */
        }

        .pagination li {
            list-style: none;
            display: inline-block;
            margin: 0;
            padding: 0;
            margin-bottom: 5px; /* 在换行时提供一些间距 */
        }

        .pagination a, .pagination span {
            display: inline-block;
            padding: 6px 8px; /* 稍微减小内边距 */
            min-width: 16px; /* 设置最小宽度 */
            text-align: center; /* 文本居中 */
            background-color: white;
            border: 1px solid var(--gray);
            border-radius: 4px;
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
            font-size: 14px; /* 减小字体大小 */
        }

        .pagination a:hover {
            background-color: var(--light-gray);
        }

        .pagination .current {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .error-message {
            background-color: #fff5f5;
            border: 1px solid #fed7d7;
            border-radius: var(--border-radius);
            padding: 20px;
            margin-bottom: 20px;
        }

        .error-message .title {
            color: var(--accent-color);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .error-message ul {
            padding-left: 20px;
        }

        .links-section {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 20px 30px;
            margin-bottom: 20px;
            box-shadow: var(--box-shadow);
        }

        .links-section h3 {
            margin-bottom: 15px;
            font-size: 16px;
            color: var(--text-color);
        }

        .links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .links-list a {
            background-color: var(--light-gray);
            padding: 8px 15px;
            border-radius: 20px;
            color: var(--text-color);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .links-list a:hover {
            background-color: var(--gray);
        }

        .highlight {
            background-color: rgba(255, 230, 0, 0.2);
            padding: 0 2px;
        }

        footer {
            text-align: center;
            padding: 30px 0;
            color: var(--light-text);
            font-size: 12px;
        }

        footer a {
            color: var(--primary-color);
            text-decoration: none;
        }

        @media (max-width: 768px) {
            /* 手机上更改布局比例 */
            .search-input-group {
                flex-direction: row;
            }

            .search-input {
                flex: 0.6; /* 在手机上输入框占60% */
                border-right: none;
                border-radius: var(--border-radius) 0 0 var(--border-radius);
            }

            .search-button {
                flex: 0.4; /* 在手机上按钮占40% */
                width: auto; /* 覆盖桌面版的固定宽度 */
                border-radius: 0 var(--border-radius) var(--border-radius) 0;
                padding: 10px 5px;
                font-size: 15px;
            }
            
            .navigation-buttons {
                gap: 10px;
            }
            
            .nav-button {
                font-size: 12px;
                padding: 5px 10px;
            }

            .search-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .option-group {
                width: 100%;
                justify-content: space-between;
            }

            .result-meta {
                flex-direction: column;
                gap: 5px;
            }
            .results-container,.search-container {
              padding: 30px 20px;
          }
          .container{
            padding: 15px;
          }
        }
        .disabled a{
          background-color: var(--primary-color);
          color: white;
        }
        em{
          font-style: unset;
          font-weight: 900;
          color: red;
          padding: 0 8px;
        }
        a{
          text-decoration: unset;
        }