/* CSS Document */
 
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%);
            min-height: 100vh;
            padding: 20px;
            color: #333;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            padding: 30px 0;
            margin-bottom: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 100, 0.1);
        }
        
        h1 {
            font-size: 28px;
            color: #1a5fb4;
            margin-bottom: 15px;
            font-weight: 700;
        }
        
        .subtitle {
            color: #666;
            font-size: 16px;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .filters-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 20px;
            padding: 15px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 3px 10px rgba(0, 0, 100, 0.08);
        }
        
        .filter-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .filter-item input[type="checkbox"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }
        
        .filter-item label {
            font-size: 16px;
            font-weight: 500;
            color: #333;
            cursor: pointer;
        }
        
        .search-container {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .search-box {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        
        #searchInput {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #1a5fb4;
            border-radius: 50px;
            font-size: 18px;
            outline: none;
            transition: all 0.3s;
            box-shadow: 0 2px 10px rgba(26, 95, 180, 0.2);
        }
        
        #searchInput:focus {
            border-color: #0d4a9e;
            box-shadow: 0 2px 15px rgba(26, 95, 180, 0.4);
        }
        
        #searchButton {
            background: #1a5fb4;
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 10px rgba(26, 95, 180, 0.3);
        }
        
        #searchButton:hover {
            background: #0d4a9e;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(26, 95, 180, 0.4);
        }
        
        .results-container {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 100, 0.1);
            padding: 25px;
            margin-bottom: 30px;
        }
        
        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #eee;
        }
        
        .results-title {
            font-size: 22px;
            color: #1a5fb4;
            font-weight: 600;
        }
        
        .results-count {
            background: #eef4ff;
            color: #1a5fb4;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 600;
        }
        
        .question-item {
            padding: 20px;
            margin-bottom: 20px;
            border-left: 4px solid #1a5fb4;
            background: #f9fbff;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .question-item:hover {
            background: #f0f5ff;
            transform: translateY(-2px);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }
        
        .question-type {
            display: inline-block;
            background: #eef4ff;
            color: #1a5fb4;
            padding: 3px 10px;
            border-radius: 15px;
            font-size: 14px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .question-text {
            font-size: 18px;
            margin-bottom: 15px;
            line-height: 1.6;
            color: #222;
        }
        
        .answer-section {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px dashed #ddd;
        }
        
        .answer-label {
            font-weight: 700;
            color: #1a5fb4;
            margin-bottom: 8px;
            display: block;
        }
        
        .answer-text {
            font-size: 17px;
            color: #d32f2f;
            font-weight: 600;
        }
        
        .no-results {
            text-align: center;
            padding: 40px 20px;
            color: #777;
            font-size: 18px;
        }
        
        .no-results i {
            font-size: 60px;
            margin-bottom: 20px;
            color: #ccd5e0;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: #666;
            font-size: 14px;
            margin-top: 20px;
        }
        
        @media (max-width: 768px) {
            .filters-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .search-container {
                flex-direction: column;
            }
            
            .search-box {
                min-width: 100%;
            }
            
            h1 {
                font-size: 24px;
            }
            
            .question-text {
                font-size: 16px;
            }
        }