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You're looking at domain 'zdx037-jjmx-33lczie516.zh-cn.edgeone.cool' on the .cool top-level domain; it also runs on subdomain 'zdx037-jjmx-33lczie516.zh-cn'. The registrable portion 'edgeone' spans 7 characters split between four vowels and three consonants. Tokenizing the label suggests two words: edge, one. Median word length comes out to 3.5 characters. No strong language cues emerged from the frequency lists.

html/65/5f/655faa2f-1638-4a5d-a26c-ed388a569660.html.gz

42f8329d989b6f6539dd2b15bbdf0d82025762ac112fbb60dc57b27d7bcf3946

c24d740de7a0ba1aef4c82386250ed1a6e28761f22fdb35009b0917afc836a64

width=device-width, initial-scale=1.0, user-scalable=no

viewport

DNSPod, Inc.

edgeone.cool

IRT-CHINAMOBILE-CN

chinamobile tech

China Mobile

haijun li

CMNET


    // ======================== 经济模型核心 ========================
    let demandA = 100, demandB = 2.0, supplyC = -20, supplyD = 3.0;
    
    // DOM 元素绑定
    const demandASlider = document.getElementById('demandASlider');
    const demandAVal = document.getElementById('demandAVal');
    const demandBSlider = document.getElementById('demandBSlider');
    const demandBVal = document.getElementById('demandBVal');
    const supplyCSlider = document.getElementById('supplyCSlider');
    const supplyCVal = document.getElementById('supplyCVal');
    const supplyDSlider = document.getElementById('supplyDSlider');
    const supplyDVal = document.getElementById('supplyDVal');
    const resetBtn = document.getElementById('resetDefaultBtn');
    const eqDisplaySpan = document.getElementById('eqDisplay');
    const funcDisplayDiv = document.getElementById('funcDisplay');
    
    // 图表实例
    let chartDom = document.getElementById('supplyDemandChart');
    let myChart = echarts.init(chartDom);
    
    // 辅助函数：更新参数数值显示
    function updateParamLabels() {
        demandAVal.innerText = demandA.toFixed(1);
        demandBVal.innerText = demandB.toFixed(2);
        supplyCVal.innerText = supplyC.toFixed(1);
        supplyDVal.innerText = supplyD.toFixed(2);
        funcDisplayDiv.innerHTML = `📐 需求: Qd = ${demandA.toFixed(1)} - ${demandB.toFixed(2)}·P &nbsp;|&nbsp; 供给: Qs = ${supplyC.toFixed(1)} + ${supplyD.toFixed(2)}·P`;
    }
    
    // 计算均衡价格与数量 (P*, Q*)
    function computeEquilibrium() {
        const denominator = demandB + supplyD;
        if (denominator <= 1e-8) return { eqP: 0, eqQ: 0, valid: false };
        let eqP = (demandA - supplyC) / denominator;
        let eqQ = demandA - demandB * eqP;
        if (eqP < 0) eqP = 0;
        if (eqQ < 0) eqQ = 0;
        let valid = (eqP >= 0 && eqQ >= 0);
        return { eqP, eqQ, valid };
    }
    
    // 需求曲线点集 (Q, P) 反解: P = (A - Q) / B
    function getDemandPoints() {
        let points = [];
        if (demandB <= 1e-6) return points;
        let maxQ = Math.max(0, demandA);
        let eq = computeEquilibrium();
        let displayMaxQ = Math.max(maxQ, eq.eqQ * 1.3, 20);
        displayMaxQ = Math.min(displayMaxQ, 170);
        const step = displayMaxQ / 150;
        for (let q = 0; q <= displayMaxQ + step; q += step) {
            let p = (demandA - q) / demandB;
            if (p >= -0.5) points.push([q, Math.max(0, p)]);
            else break;
        }
        return points;
    }
    
    // 供给曲线点集: P = (Q - C)/D
    function getSupplyPoints() {
        let points = [];
        if (supplyD <= 1e-6) return points;
        let eq = computeEquilibrium();
        let maxPossible = Math.max(demandA, eq.eqQ * 1.4, 30);
        maxPossible = Math.min(maxPossible, 170);
        const step = maxPossible / 150;
        for (let q = 0; q <= maxPossible + step; q += step) {
            let p = (q - supplyC) / supplyD;
            if (p >= -0.3) points.push([q, Math.max(0, p)]);
            else if (p < -0.8 && q > maxPossible * 0.7) break;
        }
        return points;
    }
    
    // 渲染图表
    function renderChart() {
        const { eqP, eqQ, valid } = computeEquilibrium();
        eqDisplaySpan.innerHTML = `💰 价格 P* = ${eqP.toFixed(2)} &nbsp;&nbsp; 📦 数量 Q* = ${eqQ.toFixed(2)}`;
        let demandPoints = getDemandPoints();
        let supplyPoints = getSupplyPoints();
        let maxX = 0;
        demandPoints.forEach(p => maxX = Math.max(maxX, p[0]));
        supplyPoints.forEach(p => maxX = Math.max(maxX, p[0]));
        maxX = Math.min(maxX + 1, 170);
        let maxY = 0;
        demandPoints.forEach(p => maxY = Math.max(maxY, p[1]));
        supplyPoints.forEach(p => maxY = Math.max(maxY, p[1]));
        maxY = Math.max(maxY, eqP * 1.12, 1.5);
        maxY = Math.min(maxY, 65);
        
        let series = [
            { name: '需求曲线 (Demand)', type: 'line', data: demandPoints, smooth: false, symbol: 'none', lineStyle: { width: 3, color: '#3b82f6' }, areaStyle: { opacity: 0.05 } },
            { name: '供给曲线 (Supply)', type: 'line', data: supplyPoints, smooth: false, symbol: 'none', lineStyle: { width: 3, color: '#f97316' }, areaStyle: { opacity: 0.05 } }
        ];
        if (valid && eqQ >= 0 && eqP >= 0 && eqQ <= maxX && eqP <= maxY) {
            series.push({
                name: '均衡点', type: 'scatter', data: [[eqQ, eqP]], symbolSize: 16,
                itemStyle: { color: '#e63946', borderColor: '#fff', borderWidth: 2 },
                label: { show: true, formatter: `⚖️ (${eqQ.toFixed(2)}, ${eqP.toFixed(2)})`, position: 'top', fontSize: 10, backgroundColor: '#ffffffcc', borderRadius: 12, padding: [2,6,2,6] }
            });
        }
        myChart.setOption({
            tooltip: { trigger: 'axis' },
            legend: { data: ['需求曲线 (Demand)', '供给曲线 (Supply)'], left: 'left' },
            xAxis: { name: '数量 (Q)', min: 0, max: maxX, splitLine: { lineStyle: { type: 'dashed' } } },
            yAxis: { name: '价格 (P)', min: 0, max: maxY, splitLine: { lineStyle: { type: 'dashed' } } },
            series: series,
            grid: { containLabel: true, backgroundColor: '#fefcf7' }
        });
    }
    
    // 智能体问答引擎（内置知识库+动态分析，无外部API，完全独立组件）
    function getAgentAnswer(question, currentParams = { demandA, demandB, supplyC, supplyD }) {
        const q = question.toLowerCase();
        const eq = computeEquilibrium();
        // 智能体丰富的内置解释库，具备教学引导性
        if (q.includes('需求截距') || (q.includes('截距') && q.includes('需求'))) {
            return `📖 需求截距 A = ${demandA.toFixed(1)} 代表当价格 P=0 时消费者的最大需求量。增大A意味着消费者购买意愿增强，需求曲线向右平移，导致均衡价格和均衡数量同时上升。反之则下降。你可以试试拖动滑块，观察曲线移动！`;
        }
        if (q.includes('需求斜率') || (q.includes('斜率') && q.includes('需求'))) {
            return `📉 需求斜率 B = ${demandB.toFixed(2)} 反映了价格变化对需求量的影响程度。B越大，需求曲线越陡峭，说明消费者对价格变化不敏感（缺乏弹性）。例如生活必需品通常斜率较大。`;
        }
        if (q.includes('供给截距') || (q.includes('截距') && q.includes('供给'))) {
            return `🏭 供给截距 C = ${supplyC.toFixed(1)}。当C为负时，表示在极低价格下生产者不愿意供给；增加C（例如从-20升到0）表示生产成本下降或技术进步，供给曲线右移，均衡价格下降、数量上升。`;
        }
        if (q.includes('供给斜率') || (q.includes('斜率') && q.includes('供给'))) {
            return `📈 供给斜率 D = ${supplyD.toFixed(2)} 代表供给对价格的敏感度。D越大，供给曲线越陡峭，意味着产量对价格变化的反应较小。您可尝试增大D，观察均衡点的移动规律。`;
        }
        if (q.includes('均衡') && (q.includes('效率') || q.includes('有效'))) {
            return `✅ 在自由竞争市场中，当前均衡 (P*=${eq.eqP.toFixed(2)}, Q*=${eq.eqQ.toFixed(2)}) 实现了帕累托最优，消费者剩余和生产者剩余总和最大。没有任何交易能使一方更好而不损害另一方。`;
        }
        if (q.includes('负的供给截距') || (q.includes('供给') && q.includes('负数'))) {
            return `📉 供给截距为负是常见经济学设定，表示当价格低于某个阈值时，生产者因成本过高而不愿提供任何商品。例如当前 C = ${supplyC.toFixed(1)}，只有当 P > ${(0 - supplyC)/supplyD >0 ? ((0 - supplyC)/supplyD).toFixed(2) : 0} 时，生产者才开始供货。`;
        }
        if (q.includes('需求减少') || q.includes('需求下降')) {
            return `🔻 需求减少对应需求截距 A 减小或斜率增大。曲线左移，导致均衡价格和数量双双下降。您可以减少A滑块模拟经济衰退期。`;
        }
        if (q.includes('供给减少') || q.includes('供给下降')) {
            return `⚠️ 供给减少（如原材料涨价）表现为供给截距 C 增大（左移）或斜率变大。均衡价格上升，均衡数量下降。您可以试着增大C值观察。`;
        }
        if (q.includes('当前参数') || q.includes('现在情况')) {
            return `📊 当前需求: Qd = ${demandA.toFixed(1)} - ${demandB.toFixed(2)}P ; 供给: Qs = ${supplyC.toFixed(1)} + ${supplyD.toFixed(2)}P 。均衡价格 = ${eq.eqP.toFixed(2)} , 数量 = ${eq.eqQ.toFixed(2)} 。您可以提出更具体的问题！`;
        }
        // 默认智能回答
        return `🤔 我是经济学智能体小衡，可以回答关于供需曲线、均衡变化、参数含义的问题。例如：“需求截距变大如何影响价格？” 或者 “供给曲线左移会导致什么？” 试试看！当前模型参数：需求(截距=${demandA.toFixed(1)}，斜率=${demandB.toFixed(2)}) ，供给(截距=${supplyC.toFixed(1)}，斜率=${supplyD.toFixed(2)})。`;
    }
    
    // 动态添加聊天消息
    const chatContainer = document.getElementById('chatMessages');
    function appendMessage(sender, text, isAgent = true) {
        const msgDiv = document.createElement('div');
        msgDiv.className = `message-bubble ${isAgent ? 'agent-msg' : 'user-msg'}`;
        msgDiv.innerHTML = isAgent ? `🤖 ${text}` : `👤 ${text}`;
        chatContainer.appendChild(msgDiv);
        chatContainer.scrollTop = chatContainer.scrollHeight;
    }
    
    // 处理用户提问
    function handleUserQuestion() {
        const input = document.getElementById('userQuestion');
        let question = input.value.trim();
        if (!question) return;
        appendMessage('user', question, false);
        // 调用智能体大脑
        const answer = getAgentAnswer(question);
        appendMessage('agent', answer, true);
        input.value = '';
        // 可选：根据对话让智能体主动提示参数影响（增强智能感）
        if (question.includes('谢谢') || question.includes('明白了')) {
            setTimeout(() => appendMessage('agent', '不客气！继续拖拽参数探索经济学乐趣吧~', true), 300);
        }
    }
    
    // 快捷问题
    function bindQuickQuestions() {
        document.querySelectorAll('.quick-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                const qText = btn.getAttribute('data-question');
                document.getElementById('userQuestion').value = qText;
                handleUserQuestion();
            });
        });
    }
    
    // 参数联动更新
    function updateFromUI() {
        demandA = parseFloat(demandASlider.value);
        demandB = parseFloat(demandBSlider.value);
        supplyC = parseFloat(supplyCSlider.value);
        supplyD = parseFloat(supplyDSlider.value);
        updateParamLabels();
        renderChart();
        // 智能体主动提醒（教学主动性），但避免频繁打扰：仅当均衡显著变化时，可选增加非入侵式提示。为了增强智能壳，可添加右下角轻提示，但不强制弹框。
        const eq = computeEquilibrium();
        if (eq.eqP > 0 && eq.eqQ > 0) {
            // 小优化：不自动发送消息，保留简洁，但可以在控制台留下教学引导
        }
    }
    
    function resetToDefault() {
        demandA = 100; demandB = 2; supplyC = -20; supplyD = 3;
        demandASlider.value = demandA;
        demandBSlider.value = demandB;
        supplyCSlider.value = supplyC;
        supplyDSlider.value = supplyD;
        updateParamLabels();
        renderChart();
        appendMessage('agent', '🔁 已重置为经典模型：Qd=100-2P，Qs=3P-20。您可以继续提问或拖拽滑块！', true);
    }
    
    // 绑定事件
    function bindEvents() {
        demandASlider.addEventListener('input', updateFromUI);
        demandBSlider.addEventListener('input', updateFromUI);
        supplyCSlider.addEventListener('input', updateFromUI);
        supplyDSlider.addEventListener('input', updateFromUI);
        resetBtn.addEventListener('click', resetToDefault);
        document.getElementById('sendBtn').addEventListener('click', handleUserQuestion);
        const inputBox = document.getElementById('userQuestion');
        inputBox.addEventListener('keypress', (e) => { if (e.key === 'Enter') handleUserQuestion(); });
        window.addEventListener('resize', () => myChart.resize());
        bindQuickQuestions();
    }
    
    // 初始化
    function init() {
        bindEvents();
        updateParamLabels();
        renderChart();
        appendMessage('agent', '✨ 小提示：右侧滑块可拖动，曲线和均衡点会实时移动。试试问我“供给增加对价格有何影响”？', true);
    }
    init();


jsDelivr

ECharts

经济学智能体 · 小衡 | 供需曲线互动教学

✅ Low Risk - https://zdx037-jjmx-33lczie516.zh-cn.edgeone.cool/supply_demand.html

Requests	IP Address	Location	AS Autonomous System
2	104.17.207.5	United States	AS13335Cloudflare, Inc.
1	1.71.87.196	Hangzhou, Zhejiang, China	AS142404China Telecom
3	2	-	-

Security Scan Report: zdx037-jjmx-33lczie516.zh-cn.edgeone.cool

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