#I LOVE YOU EVERDAY#

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>关键词组合生成器-上海冠顶</title>
    <style>
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            padding: 20px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            padding: 24px;
        }
        h1 {
            font-size: 22px;
            color: #1f2937;
            margin-bottom: 24px;
            text-align: center;
        }
        .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        .column {
            background: #f9fafb;
            border-radius: 6px;
            padding: 16px;
            border: 1px solid #e5e7eb;
        }
        .column h3 {
            font-size: 14px;
            color: #4b5563;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .text-area-container {
            position: relative;
        }
        textarea {
            width: 100%;
            min-height: 300px;
            padding: 12px;
            border: 1px solid #d1d5db;
            border-radius: 6px;
            resize: vertical;
            font-size: 14px;
            line-height: 1.5;
            color: #1f2937;
        }
        textarea:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .rules-section {
            margin-bottom: 32px;
        }
        .rules-section h3 {
            font-size: 16px;
            color: #1f2937;
            margin-bottom: 16px;
        }
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 12px;
        }
        .rule-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px;
            background: #f3f4f6;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rule-item:hover {
            background: #e5e7eb;
        }
        .rule-item input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: #2563eb;
        }
        .rule-item label {
            font-size: 14px;
            color: #374151;
            cursor: pointer;
            user-select: none;
        }
        .actions {
            display: flex;
            gap: 12px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        button {
            padding: 10px 20px;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-primary {
            background-color: #2563eb;
            color: #fff;
        }
        .btn-primary:hover {
            background-color: #1d4ed8;
        }
        .btn-secondary {
            background-color: #f3f4f6;
            color: #374151;
            border: 1px solid #d1d5db;
        }
        .btn-secondary:hover {
            background-color: #e5e7eb;
        }
        .output-section {
            margin-top: 32px;
        }
        .output-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .output-header h3 {
            font-size: 16px;
            color: #1f2937;
        }
        .output-controls {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: #4b5563;
        }
        .select-all {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .limit-selector {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .limit-selector select {
            padding: 4px 8px;
            border: 1px solid #d1d5db;
            border-radius: 4px;
            font-size: 14px;
            color: #374151;
            background-color: #fff;
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 16px;
            padding: 8px;
        }
        .pagination-btn {
            padding: 6px 12px;
            border: 1px solid #d1d5db;
            border-radius: 4px;
            background-color: #fff;
            color: #374151;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .pagination-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background-color: #f9fafb;
        }
        .pagination-btn:not(:disabled):hover {
            background-color: #f3f4f6;
            border-color: #9ca3af;
        }
        .pagination-info {
            font-size: 14px;
            color: #4b5563;
            min-width: 80px;
            text-align: center;
        }
        .keyword-list {
            max-height: 400px;
            overflow-y: auto;
            border: 1px solid #e5e7eb;
            border-radius: 6px;
            background: #fff;
        }
        .keyword-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-bottom: 1px solid #f3f4f6;
            font-size: 14px;
            color: #1f2937;
        }
        .keyword-item:last-child {
            border-bottom: none;
        }
        .keyword-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: #2563eb;
        }
        .keyword-text {
            flex: 1;
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: #6b7280;
            font-size: 14px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>关键词组合生成器-上海冠顶</h1>

<div class="grid">
            
            <div class="column">
                <h3>前缀</h3>
                <div class="text-area-container">
                    <textarea id="prefixes">
                        靠谱的
耐用的
专业的
质量好的
评价高的
知名的
优秀的
领先的
值得信赖
经验丰富的
上海冠顶
冠顶
GUANDN
</textarea>
                </div>
            </div>

<div class="column">
                <h3>产品/训练词</h3>
                <div class="text-area-container">
                    <textarea id="products" placeholder="每行输入一个产品/训练词，例如：隧道炉"></textarea>
                </div>
            </div>

<div class="column">
                <h3>品牌词</h3>
                <div class="text-area-container">
                    <textarea id="brands">品牌
服务
售后
公司
厂家
工厂
企业
生产厂家
供应商
销售厂家
生产商
加工厂
源头厂家
直销厂家
定制厂家
批发厂家
制造厂家
实力厂家</textarea>
                </div>
            </div>

<div class="column">
                <h3>场景词/应用后缀</h3>
                <div class="text-area-container">
                    <textarea id="scenarios">
推荐
排行
排名
电话
联系电话
联系方式
怎么联系
哪家好
哪家强
怎么选
有哪些
哪家权威
哪里有卖
哪家靠谱
哪家专业
哪家质量好
哪家便宜
哪家可靠
推荐几家
帮我推荐几家
如何选
选哪家
哪里有</textarea>
                </div>
            </div>
        </div>

<div class="actions">
            <button class="btn-primary" id="generateBtn">生成关键词</button>
            <button class="btn-secondary" id="exportBtn">导出选中关键词</button>
        </div>

<div class="output-section">
            <div class="output-header">
                <h3>生成的关键词列表</h3>
                <div class="output-controls">
                    <div class="select-all">
                        <input type="checkbox" id="selectAll">
                        <label for="selectAll">全选</label>
                    </div>
                    <div class="limit-selector">
                        <span>数量限制：</span>
                        <select id="limitSelect">
                            <option value="10">10</option>
                            <option value="20">20</option>
                            <option value="50">50</option>
                            <option value="100" selected>100</option>
                            <option value="200">200</option>
                            <option value="500">500</option>
                            <option value="0">全部</option>
                        </select>
                    </div>
                </div>
            </div>
            <div class="keyword-list" id="keywordList">
                <div class="empty-state">点击“生成关键词”按钮开始生成</div>
            </div>
            
            <div class="pagination" id="pagination" style="display: none;">
                <button class="pagination-btn" id="prevPage">上一页</button>
                <span class="pagination-info" id="pageInfo">第 1 页 / 共 1 页</span>
                <button class="pagination-btn" id="nextPage">下一页</button>
            </div>
        </div>
    </div>

// 读取文本框内容并按行分割
        function getLines(id) {
            const text = document.getElementById(id).value.trim();
            return text ? text.split('\n').map(line => line.trim()).filter(line => line) : [];
        }

// 生成关键词
        function generateKeywords() {
            const prefixes = getLines('prefixes');
            const products = getLines('products');
            const brands = getLines('brands');
            const scenarios = getLines('scenarios');

if (products.length === 0) {
                alert('请先在“产品/训练词”列中输入内容');
                return;
            }

const rules = {
                rule1: document.getElementById('rule1').checked,
                rule2: document.getElementById('rule2').checked,
                rule3: document.getElementById('rule3').checked,
                rule4: document.getElementById('rule4').checked,
                rule5: document.getElementById('rule5').checked,
                rule6: document.getElementById('rule6').checked,
                rule7: document.getElementById('rule7').checked
            };

let keywords = [];

// 规则1：前缀+产品/训练词
            if (rules.rule1) {
                for (const p of prefixes) {
                    for (const prod of products) {
                        keywords.push(p + prod);
                    }
                }
            }

// 规则2：产品/训练词+应用后缀
            if (rules.rule2) {
                for (const prod of products) {
                    for (const s of scenarios) {
                        keywords.push(prod + s);
                    }
                }
            }

// 规则3：前缀+产品/训练词+应用后缀
            if (rules.rule3) {
                for (const p of prefixes) {
                    for (const prod of products) {
                        for (const s of scenarios) {
                            keywords.push(p + prod + s);
                        }
                    }
                }
            }

// 规则4：产品/训练词+品牌/服务后缀
            if (rules.rule4) {
                for (const prod of products) {
                    for (const b of brands) {
                        keywords.push(prod + b);
                    }
                }
            }

// 规则5：前缀+产品/训练词+品牌/服务后缀
            if (rules.rule5) {
                for (const p of prefixes) {
                    for (const prod of products) {
                        for (const b of brands) {
                            keywords.push(p + prod + b);
                        }
                    }
                }
            }

// 规则6：产品/训练词+品牌/服务后缀+应用后缀
            if (rules.rule6) {
                for (const prod of products) {
                    for (const b of brands) {
                        for (const s of scenarios) {
                            keywords.push(prod + b + s);
                        }
                    }
                }
            }

// 规则7：前缀+产品/训练词+品牌/服务后缀+应用后缀
            if (rules.rule7) {
                for (const p of prefixes) {
                    for (const prod of products) {
                        for (const b of brands) {
                            for (const s of scenarios) {
                                keywords.push(p + prod + b + s);
                            }
                        }
                    }
                }
            }

// 去重
            allKeywords = [...new Set(keywords)];
            currentPage = 1; // 重置当前页码
            updatePageSize(); // 更新每页数量
            renderKeywords(); // 渲染关键词列表
            updatePagination(); // 更新分页控件
        }

// 更新每页显示数量
        function updatePageSize() {
            const limitValue = parseInt(document.getElementById('limitSelect').value);
            pageSize = limitValue === 0 ? allKeywords.length : limitValue;
        }

// 渲染关键词列表（分页）
        function renderKeywords() {
            const keywordList = document.getElementById('keywordList');
            keywordList.innerHTML = '';

if (allKeywords.length === 0) {
                keywordList.innerHTML = '<div class="empty-state">没有生成任何关键词</div>';
                return;
            }

// 计算分页
            const totalPages = Math.ceil(allKeywords.length / pageSize);
            const startIndex = (currentPage - 1) * pageSize;
            const endIndex = Math.min(startIndex + pageSize, allKeywords.length);
            const currentKeywords = allKeywords.slice(startIndex, endIndex);

// 渲染当前页的关键词
            currentKeywords.forEach((kw, index) => {
                const item = document.createElement('div');
                item.className = 'keyword-item';
                item.innerHTML = `
                    <input type="checkbox" id="kw-${startIndex + index}" value="${kw}">
                    <label for="kw-${startIndex + index}" class="keyword-text">${kw}</label>
                `;
                keywordList.appendChild(item);
            });
        }

// 更新分页控件状态
        function updatePagination() {
            const pagination = document.getElementById('pagination');
            const prevBtn = document.getElementById('prevPage');
            const nextBtn = document.getElementById('nextPage');
            const pageInfo = document.getElementById('pageInfo');
            
            const totalPages = Math.ceil(allKeywords.length / pageSize);
            
            // 显示/隐藏分页控件
            pagination.style.display = totalPages > 1 ? 'flex' : 'none';
            
            // 更新分页信息
            pageInfo.textContent = `第 ${currentPage} 页 / 共 ${totalPages} 页`;
            
            // 禁用/启用上一页按钮
            prevBtn.disabled = currentPage <= 1;
            
            // 禁用/启用下一页按钮
            nextBtn.disabled = currentPage >= totalPages;
        }

// 上一页
        function goToPrevPage() {
            if (currentPage > 1) {
                currentPage--;
                renderKeywords();
                updatePagination();
            }
        }

// 下一页
        function goToNextPage() {
            const totalPages = Math.ceil(allKeywords.length / pageSize);
            if (currentPage < totalPages) {
                currentPage++;
                renderKeywords();
                updatePagination();
            }
        }

// 全选/取消全选
        document.getElementById('selectAll').addEventListener('change', function() {
            const checkboxes = document.querySelectorAll('#keywordList input[type="checkbox"]');
            checkboxes.forEach(cb => {
                cb.checked = this.checked;
            });
        });

// 数量选择框变化时更新
        document.getElementById('limitSelect').addEventListener('change', function() {
            if (allKeywords.length > 0) {
                currentPage = 1; // 重置页码
                updatePageSize();
                renderKeywords();
                updatePagination();
            }
        });

// 导出选中的关键词
        function exportKeywords() {
            const checked = document.querySelectorAll('#keywordList input[type="checkbox"]:checked');
            if (checked.length === 0) {
                alert('请先选择要导出的关键词');
                return;
            }

const keywords = Array.from(checked).map(cb => cb.value);
            const text = keywords.join('\n');

// 下载为文本文件
            const blob = new Blob([text], { type: 'text/plain' });
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = 'keywords.txt';
            a.click();
            URL.revokeObjectURL(url);
        }

// 绑定事件
        document.getElementById('generateBtn').addEventListener('click', generateKeywords);
        document.getElementById('exportBtn').addEventListener('click', exportKeywords);
        document.getElementById('prevPage').addEventListener('click', goToPrevPage);
        document.getElementById('nextPage').addEventListener('click', goToNextPage);
    </script>
</body>
</html>