        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            padding: 20px;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 30px;
        }
        
        header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eaeaea;
        }
        
        h1 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 28px;
        }
        
        .intro {
            color: #7f8c8d;
            font-size: 16px;
            margin-bottom: 15px;
        }
        
        .warning {
            background-color: #fff3e0;
            border-left: 4px solid #ff9800;
            padding: 12px 15px;
            margin: 20px 0;
            border-radius: 4px;
        }
        
        .faq-item {
            margin-bottom: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            overflow: hidden;
        }
        
        details {
            transition: all 0.3s ease;
        }
        
        summary {
            padding: 15px;
            background: #f8f9fa;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: #2c3e50;
            position: relative;
            list-style: none;
            outline: none;
        }
        
        summary::-webkit-details-marker {
            display: none;
        }
        
        summary:after {
            content: '+';
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            transition: all 0.3s;
        }
        
        details[open] summary:after {
            content: '-';
        }
        
        .faq-content {
            padding: 15px;
            background: white;
            border-top: 1px solid #eaeaea;
        }
        
        ol {
            padding-left: 25px;
            margin: 10px 0;
        }
        
        li {
            margin-bottom: 8px;
        }
        
        .tips {
            background-color: #e8f5e9;
            padding: 10px 15px;
            border-radius: 6px;
            margin: 10px 0;
            border-left: 4px solid #4caf50;
        }
        
        footer {
            text-align: center;
            margin-top: 30px;
            color: #7f8c8d;
            font-size: 14px;
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 15px;
            }
            
            h1 {
                font-size: 24px;
            }
            
            summary {
                padding-right: 30px;
            }
            
                    /* 搜索框样式 */
        .search-container {
            margin: 20px 0;
            padding: 0 15px;
        }
        
        .search-box {
            position: relative;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .search-input {
            width: 100%;
            padding: 12px 50px 12px 20px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 16px;
            transition: all 0.3s;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .search-input:focus {
            outline: none;
            border-color: #4a6ee0;
            box-shadow: 0 2px 15px rgba(74, 110, 224, 0.2);
        }
        
        .search-button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: #4a6ee0;
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }
        
        .search-button:hover {
            background: #3a5ac8;
        }
        
        .search-results-info {
            text-align: center;
            margin: 15px 0;
            color: #666;
            font-size: 14px;
        }
        
        .no-results {
            text-align: center;
            padding: 30px;
            color: #888;
            display: none;
        }
        
        .no-results i {
            font-size: 48px;
            margin-bottom: 15px;
            color: #ccc;
        }
        
        .highlight {
            background-color: #fff9c4;
            padding: 2px 4px;
            border-radius: 3px;
        }
        
        /* 搜索结果高亮 */
        .faq-item.hidden {
            display: none;
        }
        
        /* 快速搜索提示 */
        .search-tips {
            text-align: center;
            margin-top: 10px;
            font-size: 14px;
            color: #888;
        }
        
        .search-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-top: 10px;
        }
        
        .search-tag {
            background: #f0f4ff;
            color: #4a6ee0;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .search-tag:hover {
            background: #4a6ee0;
            color: white;
        }
        }