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+<!doctype html>
+<html lang="zh-CN">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="color-scheme" content="light">
+  <title>TTSHOP 销售看板</title>
+  <style>
+    :root {
+      color-scheme: light;
+      --bg: #f4f7fb;
+      --surface: #ffffff;
+      --text: #182230;
+      --muted: #65748b;
+      --border: #e4eaf2;
+      --primary: #2563eb;
+      --warning-bg: #fff7e6;
+      --warning-border: #f4c46d;
+      --warning-text: #8a5b00;
+      --error-bg: #fff1f2;
+      --error-border: #f5a6b1;
+      --error-text: #a51d2d;
+      --shadow: 0 8px 24px rgba(33, 52, 78, 0.07);
+    }
+
+    * { box-sizing: border-box; }
+    body {
+      margin: 0;
+      min-width: 320px;
+      background: var(--bg);
+      color: var(--text);
+      font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
+    }
+    .page {
+      width: min(1440px, calc(100% - 32px));
+      margin: 0 auto;
+      padding: 28px 0 36px;
+    }
+    .page-header {
+      display: flex;
+      align-items: flex-start;
+      justify-content: space-between;
+      gap: 24px;
+      margin-bottom: 20px;
+    }
+    h1 {
+      margin: 0 0 6px;
+      font-size: clamp(24px, 3vw, 34px);
+      letter-spacing: -0.02em;
+      line-height: 1.2;
+    }
+    .subtitle { margin: 0; color: var(--muted); }
+    .status {
+      flex: 0 0 auto;
+      margin-top: 3px;
+      color: var(--muted);
+      text-align: right;
+    }
+    .status[data-state="error"] { color: var(--error-text); }
+    .status[data-state="empty"] { color: var(--muted); }
+    .alert {
+      margin: 0 0 18px;
+      padding: 11px 14px;
+      border: 1px solid var(--warning-border);
+      border-radius: 10px;
+      background: var(--warning-bg);
+      color: var(--warning-text);
+    }
+    .alert[hidden] { display: none; }
+    .metrics {
+      display: grid;
+      grid-template-columns: repeat(4, minmax(0, 1fr));
+      gap: 14px;
+      margin-bottom: 20px;
+    }
+    .metric, .chart-card {
+      border: 1px solid var(--border);
+      border-radius: 14px;
+      background: var(--surface);
+      box-shadow: var(--shadow);
+    }
+    .metric { padding: 16px 18px; }
+    .metric-label {
+      display: block;
+      margin-bottom: 5px;
+      color: var(--muted);
+      font-size: 13px;
+    }
+    .metric-value { display: block; font-size: 23px; font-weight: 700; }
+    .charts {
+      display: grid;
+      grid-template-columns: repeat(2, minmax(0, 1fr));
+      gap: 20px;
+    }
+    .chart-card { min-width: 0; padding: 18px 18px 10px; }
+    .chart-card h2 { margin: 0 0 2px; font-size: 18px; }
+    .chart-card p { margin: 0; color: var(--muted); font-size: 13px; }
+    .chart { width: 100%; height: 450px; margin-top: 8px; }
+    .empty-state {
+      display: grid;
+      min-height: 260px;
+      place-items: center;
+      padding: 28px;
+      border: 1px dashed var(--border);
+      border-radius: 14px;
+      background: var(--surface);
+      color: var(--muted);
+      text-align: center;
+    }
+    .error-state {
+      margin-top: 20px;
+      padding: 16px 18px;
+      border: 1px solid var(--error-border);
+      border-radius: 12px;
+      background: var(--error-bg);
+      color: var(--error-text);
+    }
+    .error-state[hidden], .metrics[hidden], .charts[hidden], .empty-state[hidden] { display: none; }
+    @media (max-width: 980px) {
+      .charts { grid-template-columns: 1fr; }
+      .chart { height: 400px; }
+    }
+    @media (max-width: 640px) {
+      .page { width: min(100% - 20px, 1440px); padding-top: 18px; }
+      .page-header { display: block; }
+      .status { margin-top: 10px; text-align: left; }
+      .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
+      .metric { padding: 13px 14px; }
+      .metric-value { font-size: 20px; }
+      .chart-card { padding: 14px 10px 8px; }
+      .chart { height: 360px; }
+    }
+  </style>
+</head>
+<body>
+  <main class="page">
+    <header class="page-header">
+      <div>
+        <h1 id="page-title">TTSHOP 销售看板</h1>
+        <p class="subtitle" id="page-subtitle">Commission 与 GMV 趋势</p>
+      </div>
+      <div class="status" id="status" data-state="loading" role="status" aria-live="polite">正在加载数据…</div>
+    </header>
+
+    <div class="alert" id="currency-warning" role="alert" hidden></div>
+
+    <section class="metrics" id="metrics" aria-label="数据概览" hidden>
+      <div class="metric"><span class="metric-label">数据更新时间</span><strong class="metric-value" id="updated-at">—</strong></div>
+      <div class="metric"><span class="metric-label">记录数</span><strong class="metric-value" id="record-count">—</strong></div>
+      <div class="metric"><span class="metric-label">LinkName 数</span><strong class="metric-value" id="link-count">—</strong></div>
+      <div class="metric"><span class="metric-label">币种</span><strong class="metric-value" id="currency-count">—</strong></div>
+    </section>
+
+    <div class="empty-state" id="empty-state" hidden>没有可展示的数据。</div>
+    <div class="error-state" id="error-state" role="alert" hidden></div>
+
+    <section class="charts" id="charts" aria-label="数据图表" hidden>
+      <article class="chart-card">
+        <h2>总体趋势</h2>
+        <p id="overview-description">按日期汇总</p>
+        <div class="chart" id="overview-chart" role="img" aria-label="按日期汇总的 Commission 和 GMV 图表"></div>
+      </article>
+      <article class="chart-card">
+        <h2>LinkName 趋势</h2>
+        <p id="link-description">按日期和 LinkName 汇总</p>
+        <div class="chart" id="link-chart" role="img" aria-label="按日期和 LinkName 汇总的 Commission 和 GMV 图表"></div>
+      </article>
+    </section>
+  </main>
+
+  <script src="https://cdn.jsdelivr.net/npm/echarts@5/dist/echarts.min.js"></script>
+  <script>
+    (function () {
+      'use strict';
+
+      var DATA_URL = 'data/merged.html';
+      var REQUIRED_FIELDS = ['Date', 'Commission', 'Order', 'GMV', 'Currency', 'LinkName'];
+      var charts = [];
+      var numberFormatter = new Intl.NumberFormat('en-US', { maximumFractionDigits: 2 });
+      var dateFormatter = new Intl.DateTimeFormat('zh-CN', {
+        year: 'numeric', month: '2-digit', day: '2-digit',
+        hour: '2-digit', minute: '2-digit', second: '2-digit'
+      });
+
+      var elements = {
+        title: document.getElementById('page-title'),
+        subtitle: document.getElementById('page-subtitle'),
+        status: document.getElementById('status'),
+        warning: document.getElementById('currency-warning'),
+        metrics: document.getElementById('metrics'),
+        updatedAt: document.getElementById('updated-at'),
+        recordCount: document.getElementById('record-count'),
+        linkCount: document.getElementById('link-count'),
+        currencyCount: document.getElementById('currency-count'),
+        empty: document.getElementById('empty-state'),
+        error: document.getElementById('error-state'),
+        charts: document.getElementById('charts'),
+        overviewDescription: document.getElementById('overview-description'),
+        linkDescription: document.getElementById('link-description'),
+        overview: document.getElementById('overview-chart'),
+        link: document.getElementById('link-chart')
+      };
+
+      function setStatus(message, state) {
+        elements.status.textContent = message;
+        elements.status.dataset.state = state || '';
+      }
+
+      function formatNumber(value) {
+        return numberFormatter.format(Number(value) || 0);
+      }
+
+      function parseNumber(value) {
+        var normalized = String(value == null ? '' : value).trim().replace(/,/g, '');
+        if (!normalized) return 0;
+        var parsed = Number(normalized);
+        return Number.isFinite(parsed) ? parsed : 0;
+      }
+
+      function parseDate(value) {
+        var text = String(value == null ? '' : value).trim();
+        var match = /^(\d{4})[\/-](\d{1,2})[\/-](\d{1,2})$/.exec(text);
+        if (!match) return null;
+        var year = Number(match[1]);
+        var month = Number(match[2]);
+        var day = Number(match[3]);
+        var date = new Date(Date.UTC(year, month - 1, day));
+        if (date.getUTCFullYear() !== year || date.getUTCMonth() !== month - 1 || date.getUTCDate() !== day) return null;
+        return {
+          key: year + '-' + String(month).padStart(2, '0') + '-' + String(day).padStart(2, '0'),
+          label: year + '/' + month + '/' + day,
+          time: date.getTime()
+        };
+      }
+
+      function readTable(htmlText) {
+        var documentParser = new DOMParser();
+        var parsedDocument = documentParser.parseFromString(htmlText, 'text/html');
+        var tables = parsedDocument.querySelectorAll('table');
+        if (tables.length !== 1) throw new Error('数据文件必须包含唯一 table。');
+
+        var rows = Array.from(tables[0].querySelectorAll('tr'));
+        if (!rows.length) return [];
+        var headers = Array.from(rows[0].children).map(function (cell) { return cell.textContent.trim(); });
+        var positions = {};
+        headers.forEach(function (header, index) { positions[header] = index; });
+        var missing = REQUIRED_FIELDS.filter(function (field) { return positions[field] === undefined; });
+        if (missing.length) throw new Error('数据缺少字段：' + missing.join('、'));
+
+        return rows.slice(1).map(function (row) {
+          var cells = Array.from(row.children);
+          function cell(field) {
+            var index = positions[field];
+            return index < cells.length ? cells[index].textContent.trim() : '';
+          }
+          var parsedDate = parseDate(cell('Date'));
+          if (!parsedDate) return null;
+          return {
+            date: parsedDate,
+            commission: parseNumber(cell('Commission')),
+            gmv: parseNumber(cell('GMV')),
+            currency: cell('Currency') || 'Unknown',
+            linkName: cell('LinkName') || 'Unknown'
+          };
+        }).filter(Boolean);
+      }
+
+      function aggregate(records) {
+        var byDate = new Map();
+        var byLink = new Map();
+        records.forEach(function (record) {
+          if (!byDate.has(record.date.key)) {
+            byDate.set(record.date.key, { date: record.date, commission: 0, gmv: 0 });
+          }
+          var dateTotal = byDate.get(record.date.key);
+          dateTotal.commission += record.commission;
+          dateTotal.gmv += record.gmv;
+
+          if (!byLink.has(record.linkName)) byLink.set(record.linkName, new Map());
+          var linkDates = byLink.get(record.linkName);
+          if (!linkDates.has(record.date.key)) {
+            linkDates.set(record.date.key, { date: record.date, commission: 0, gmv: 0 });
+          }
+          var linkTotal = linkDates.get(record.date.key);
+          linkTotal.commission += record.commission;
+          linkTotal.gmv += record.gmv;
+        });
+        var dates = Array.from(byDate.values()).sort(function (a, b) { return a.date.time - b.date.time; });
+        return { dates: dates, byLink: byLink };
+      }
+
+      function tooltipFormatter(params) {
+        var items = Array.isArray(params) ? params : [params];
+        var date = items.length && items[0].axisValue ? items[0].axisValue : '';
+        var lines = [date];
+        items.forEach(function (item) {
+          var value = Array.isArray(item.value) ? item.value[item.value.length - 1] : item.value;
+          var metric = /GMV$/.test(item.seriesName) ? 'GMV' : 'Commission';
+          lines.push(item.marker + ' ' + item.seriesName + '：' + metric + ' ' + formatNumber(value));
+        });
+        return lines.join('<br>');
+      }
+
+      function axisLabelFormatter(value) { return value; }
+
+      function makeCommonXAxis(categories) {
+        return {
+          type: 'category',
+          data: categories,
+          boundaryGap: true,
+          axisLabel: { interval: categories.length > 30 ? Math.ceil(categories.length / 15) - 1 : 0, rotate: categories.length > 14 ? 30 : 0 }
+        };
+      }
+
+      function renderCharts(records, currencyLabel) {
+        var aggregated = aggregate(records);
+        var dates = aggregated.dates.map(function (item) { return item.date.label; });
+        var commissionAxisName = 'Commission (' + currencyLabel + ')';
+        var gmvAxisName = 'GMV (' + currencyLabel + ')';
+
+        var overviewOption = {
+          animation: false,
+          color: ['#2563eb', '#f59e0b'],
+          tooltip: { trigger: 'axis', axisPointer: { type: 'cross' }, formatter: tooltipFormatter },
+          legend: { type: 'scroll', top: 2, data: ['Commission', 'GMV'] },
+          grid: { left: 70, right: 76, top: 52, bottom: 62 },
+          xAxis: makeCommonXAxis(dates),
+          yAxis: [
+            { type: 'value', name: commissionAxisName, nameLocation: 'middle', nameGap: 52, axisLabel: { formatter: axisLabelFormatter } },
+            { type: 'value', name: gmvAxisName, nameLocation: 'middle', nameGap: 58, axisLabel: { formatter: axisLabelFormatter } }
+          ],
+          series: [
+            {
+              name: 'Commission', type: 'line', yAxisIndex: 0, stack: 'commission-total', smooth: true,
+              symbol: 'circle', symbolSize: 6,
+              data: aggregated.dates.map(function (item) { return item.commission; })
+            },
+            {
+              name: 'GMV', type: 'bar', yAxisIndex: 1, stack: 'gmv-total', barMaxWidth: 34,
+              data: aggregated.dates.map(function (item) { return item.gmv; })
+            }
+          ]
+        };
+
+        var links = Array.from(aggregated.byLink.keys()).sort(function (a, b) { return a.localeCompare(b); });
+        var linkSeries = [];
+        links.forEach(function (linkName, linkIndex) {
+          var linkDates = aggregated.byLink.get(linkName);
+          linkSeries.push({
+            name: linkName + ' · Commission', type: 'line', yAxisIndex: 0, stack: 'commission-by-link', smooth: true,
+            symbol: 'circle', symbolSize: 5,
+            data: dates.map(function (_, index) {
+              var item = aggregated.dates[index];
+              var value = linkDates.get(item.date.key);
+              return value ? value.commission : 0;
+            })
+          });
+          linkSeries.push({
+            name: linkName + ' · GMV', type: 'bar', yAxisIndex: 1, stack: 'gmv-by-link', barMaxWidth: 34,
+            data: dates.map(function (_, index) {
+              var item = aggregated.dates[index];
+              var value = linkDates.get(item.date.key);
+              return value ? value.gmv : 0;
+            })
+          });
+        });
+        var linkOption = {
+          animation: false,
+          tooltip: { trigger: 'axis', axisPointer: { type: 'cross' }, formatter: tooltipFormatter },
+          legend: { type: 'scroll', top: 2, data: linkSeries.map(function (series) { return series.name; }) },
+          grid: { left: 70, right: 76, top: 52, bottom: 62 },
+          xAxis: makeCommonXAxis(dates),
+          yAxis: [
+            { type: 'value', name: commissionAxisName, nameLocation: 'middle', nameGap: 52, axisLabel: { formatter: axisLabelFormatter } },
+            { type: 'value', name: gmvAxisName, nameLocation: 'middle', nameGap: 58, axisLabel: { formatter: axisLabelFormatter } }
+          ],
+          series: linkSeries
+        };
+
+        charts.forEach(function (chart) { chart.dispose(); });
+        charts = [echarts.init(elements.overview), echarts.init(elements.link)];
+        charts[0].setOption(overviewOption);
+        charts[1].setOption(linkOption);
+        elements.overviewDescription.textContent = '按日期汇总 · 主轴 ' + commissionAxisName + ' · 副轴 ' + gmvAxisName;
+        elements.linkDescription.textContent = '按日期和 LinkName 堆积 · 主轴 ' + commissionAxisName + ' · 副轴 ' + gmvAxisName;
+      }
+
+      function updateSummary(records, currencies) {
+        var links = new Set(records.map(function (record) { return record.linkName; }));
+        var currencyList = Array.from(currencies).sort();
+        var currencyLabel = currencyList.length === 1 ? currencyList[0] : 'Mixed';
+        elements.title.textContent = 'TTSHOP 销售看板 · ' + currencyLabel;
+        elements.subtitle.textContent = 'Commission 与 GMV 趋势（当前加载时间：' + dateFormatter.format(new Date()) + '）';
+        elements.updatedAt.textContent = dateFormatter.format(new Date());
+        elements.recordCount.textContent = formatNumber(records.length);
+        elements.linkCount.textContent = formatNumber(links.size);
+        elements.currencyCount.textContent = currencyList.join('、');
+        if (currencyList.length > 1) {
+          elements.warning.textContent = '检测到多个币种：' + currencyList.join('、') + '。页面不会静默合并币种，图表仅按原始数值展示，请结合币种核对数据。';
+          elements.warning.hidden = false;
+        } else {
+          elements.warning.hidden = true;
+        }
+        return currencyLabel;
+      }
+
+      function showEmpty() {
+        elements.metrics.hidden = false;
+        elements.empty.hidden = false;
+        elements.charts.hidden = true;
+        setStatus('没有有效记录', 'empty');
+      }
+
+      function showError(error) {
+        elements.metrics.hidden = true;
+        elements.empty.hidden = true;
+        elements.charts.hidden = true;
+        elements.error.textContent = '加载失败：' + (error && error.message ? error.message : '未知错误');
+        elements.error.hidden = false;
+        setStatus('数据加载失败', 'error');
+      }
+
+      function loadData() {
+        fetch(DATA_URL, { cache: 'no-store' })
+          .then(function (response) {
+            if (!response.ok) throw new Error('无法读取 data/merged.html（HTTP ' + response.status + '）。');
+            return response.text();
+          })
+          .then(function (htmlText) {
+            var records = readTable(htmlText);
+            elements.error.hidden = true;
+            if (!records.length) {
+              showEmpty();
+              return;
+            }
+            var currencies = new Set(records.map(function (record) { return record.currency; }));
+            var currencyLabel = updateSummary(records, currencies);
+            elements.metrics.hidden = false;
+            elements.empty.hidden = true;
+            elements.charts.hidden = false;
+            renderCharts(records, currencyLabel);
+            setStatus('已加载 ' + formatNumber(records.length) + ' 条有效记录', 'ready');
+          })
+          .catch(showError);
+      }
+
+      window.addEventListener('resize', function () {
+        charts.forEach(function (chart) { chart.resize(); });
+      });
+      loadData();
+    }());
+  </script>
+</body>
+</html>