index.html
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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">
<title>转化漏斗建模台</title>
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📉</text></svg>">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Sans+SC:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap" rel="stylesheet">
<style>
*{ box-sizing:border-box; }
html{ color-scheme: light; }
body{ margin: 0; }
:root{
color-scheme: light;
--page: #f9f9f7;
--surface: #fcfcfb;
--ink: #0b0b0b;
--ink-2: #52514e;
--muted: #898781;
--grid: #e1e0d9;
--border: rgba(11,11,11,0.10);
--good: #0ca30c;
--critical: #d03b3b;
--accent: #2a78d6;
--spout: #0d366b;
--alert-red: #d03b3b;
--alert-yellow: #eda100;
--alert-blue: #2a78d6;
--alert-green: #008300;
--shadow: 0 1px 2px rgba(11,11,11,0.05), 0 8px 24px -12px rgba(11,11,11,0.18);
}
@media (prefers-color-scheme: dark){
:root:not([data-theme="light"]){
color-scheme: dark;
--page: #0d0d0d;
--surface: #1a1a19;
--ink: #ffffff;
--ink-2: #c3c2b7;
--muted: #898781;
--grid: #2c2c2a;
--border: rgba(255,255,255,0.10);
--good: #0ca30c;
--critical: #d03b3b;
--accent: #3987e5;
--spout: #cde2fb;
--alert-red: #d03b3b;
--alert-yellow: #c98500;
--alert-blue: #3987e5;
--alert-green: #008300;
--shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 28px -12px rgba(0,0,0,0.6);
}
}
:root[data-theme="dark"]{
color-scheme: dark;
--page: #0d0d0d;
--surface: #1a1a19;
--ink: #ffffff;
--ink-2: #c3c2b7;
--muted: #898781;
--grid: #2c2c2a;
--border: rgba(255,255,255,0.10);
--good: #0ca30c;
--critical: #d03b3b;
--accent: #3987e5;
--spout: #cde2fb;
--alert-red: #d03b3b;
--alert-yellow: #c98500;
--alert-blue: #3987e5;
--alert-green: #008300;
--shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 28px -12px rgba(0,0,0,0.6);
}
body{
background: var(--page);
color: var(--ink);
font-family: "IBM Plex Sans", "IBM Plex Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap{
max-width: 1220px;
margin: 0 auto;
padding-inline: clamp(16px, 4vw, 32px);
padding-block: clamp(20px, 4vw, 40px);
}
.mono{ font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }
.tab{ font-variant-numeric: tabular-nums; }
header{
display:flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: flex-end;
gap: 16px;
margin-bottom: 28px;
padding-bottom: 20px;
border-bottom: 1px solid var(--border);
}
header h1{
margin:0;
font-size: clamp(22px, 3vw, 28px);
font-weight: 700;
letter-spacing: -0.01em;
text-wrap: balance;
}
header p{
margin: 6px 0 0;
color: var(--ink-2);
font-size: 13.5px;
max-width: 60ch;
line-height: 1.5;
}
.eyebrow{
display:block;
font-size: 11px;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 6px;
}
.reset-btn{
appearance:none;
border: 1px solid var(--border);
background: var(--surface);
color: var(--ink-2);
font: inherit;
font-size: 13px;
font-weight: 500;
padding: 9px 14px;
border-radius: 8px;
cursor: pointer;
white-space: nowrap;
}
.reset-btn:hover{ color: var(--ink); border-color: var(--ink-2); }
.reset-btn:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }
.stats{
display:grid;
grid-template-columns: repeat(4, 1fr);
gap: 12px;
margin-bottom: 24px;
}
@media (max-width: 720px){ .stats{ grid-template-columns: repeat(2, 1fr); } }
.stat{
background: var(--surface);
border: 1px solid var(--border);
border-radius: 12px;
padding: 14px 16px;
}
.stat .label{
font-size: 11px;
font-weight: 600;
letter-spacing: 0.04em;
text-transform: uppercase;
color: var(--muted);
margin-bottom: 8px;
}
.stat .value{
font-size: 21px;
font-weight: 600;
letter-spacing: -0.01em;
}
.stat .sub{
margin-top: 4px;
font-size: 12px;
color: var(--ink-2);
}
.badge{
display:inline-flex;
align-items:center;
gap: 4px;
font-size: 11.5px;
font-weight: 600;
padding: 2px 7px;
border-radius: 999px;
}
.badge.red{ color: var(--alert-red); background: color-mix(in srgb, var(--alert-red) 14%, transparent); }
.badge.yellow{ color: var(--alert-yellow); background: color-mix(in srgb, var(--alert-yellow) 18%, transparent); }
.badge.blue{ color: var(--alert-blue); background: color-mix(in srgb, var(--alert-blue) 14%, transparent); }
.badge.green{ color: var(--alert-green); background: color-mix(in srgb, var(--alert-green) 14%, transparent); }
.alert-legend{
display:flex;
flex-wrap: wrap;
gap: 16px;
margin: -10px 0 20px;
font-size: 11.5px;
color: var(--ink-2);
}
.alert-legend .item{ display:flex; align-items:center; gap:6px; }
.status-line{
font-size: 11.5px;
font-weight: 600;
margin: 0 12px 10px 0;
}
.board{
display:grid;
grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
gap: 20px;
align-items: start;
}
@media (max-width: 900px){ .board{ grid-template-columns: 1fr; } }
.panel{
background: var(--surface);
border: 1px solid var(--border);
border-radius: 14px;
box-shadow: var(--shadow);
overflow: hidden;
}
.panel-head{
display:flex;
justify-content: space-between;
align-items: baseline;
gap: 10px;
padding: 16px 18px 0;
}
.panel-head h2{
margin:0;
font-size: 14px;
font-weight: 600;
}
.panel-head span{
font-size: 11.5px;
color: var(--muted);
}
.funnel-stage{
position: relative;
aspect-ratio: 4 / 4.4;
max-width: 100%;
cursor: grab;
}
.funnel-stage canvas{ display:block; width:100%; height:100%; touch-action: none; }
.labels{
position: absolute;
inset: 0;
pointer-events: none;
}
.flabel{
position:absolute;
transform: translate(0, -50%);
display:flex;
flex-direction: column;
gap: 2px;
padding: 4px 8px;
border-radius: 8px;
background: color-mix(in srgb, var(--surface) 82%, transparent);
border: 1px solid var(--border);
backdrop-filter: blur(2px);
font-size: 11px;
line-height: 1.3;
white-space: nowrap;
transition: opacity 120ms linear;
}
.flabel.left{ transform: translate(-100%, -50%); }
.flabel .name{ font-weight: 600; color: var(--ink); }
.flabel .val{ color: var(--ink-2); }
.flabel .conv{ font-weight: 600; }
.funnel-hint{
padding: 8px 18px 14px;
font-size: 11.5px;
color: var(--muted);
}
.tree{
max-height: 620px;
overflow-y: auto;
padding: 6px 6px 14px;
}
.tnode{ position: relative; }
.trow{
display:flex;
align-items:center;
gap: 8px;
padding: 7px 12px 7px 0;
border-radius: 8px;
font-size: 13px;
}
.trow.flash{ animation: flashBg 900ms ease; }
@keyframes flashBg{
0%{ background: color-mix(in srgb, var(--accent) 22%, transparent); }
100%{ background: transparent; }
}
.trow-toggle{
appearance:none;
border:none;
background:none;
color: var(--muted);
width: 16px;
height: 16px;
flex-shrink:0;
font-size: 10px;
cursor:pointer;
display:flex;
align-items:center;
justify-content:center;
}
.trow-toggle:focus-visible{ outline: 2px solid var(--accent); border-radius: 4px; }
.trow-toggle-spacer{ width:16px; height:16px; flex-shrink:0; display:inline-block; }
.dot{
width: 9px; height: 9px;
border-radius: 3px;
flex-shrink:0;
}
.dot-muted{ background: var(--grid); border: 1px solid var(--border); }
.trow-name{
flex: 1 1 auto;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
font-weight: 500;
}
.tnode[data-depth="0"] > .trow .trow-name{ font-weight: 600; }
.trow-right{
display:flex;
align-items:center;
gap: 10px;
flex-shrink:0;
}
.trow-val{ font-size: 13px; }
.trow-val.strong{ font-weight: 600; }
.trow-pct{
font-size: 11.5px;
color: var(--muted);
width: 34px;
text-align: right;
}
input.val-input{
width: 96px;
text-align: right;
border: 1px solid var(--border);
background: var(--page);
color: var(--ink);
border-radius: 6px;
padding: 5px 7px;
font: inherit;
font-family: "IBM Plex Mono", ui-monospace, monospace;
font-size: 12.5px;
font-variant-numeric: tabular-nums;
}
input.val-input:focus-visible{ outline: 2px solid var(--accent); outline-offset: 1px; }
.trow-bar-track{
height: 3px;
border-radius: 2px;
background: var(--grid);
margin: 0 12px 2px 0;
overflow: hidden;
}
.trow-bar-fill{ height: 100%; border-radius: 2px; }
.notes-row{
display:flex;
flex-wrap:wrap;
gap: 6px;
margin: 0 12px 8px 0;
}
.chip{
font-size: 11px;
color: var(--ink-2);
background: var(--page);
border: 1px solid var(--border);
border-radius: 999px;
padding: 2px 9px;
}
.loop-note{
font-size: 11.5px;
color: var(--accent);
margin: 0 12px 10px 0;
}
.tchildren{ position: relative; }
footer{
margin-top: 22px;
font-size: 12px;
color: var(--muted);
line-height: 1.6;
}
</style>
</head>
<body>
<div class="wrap">
<header>
<div>
<span class="eyebrow">产品增长漏斗模型</span>
<h1>转化漏斗建模台</h1>
<p>流量入口 → 网站访问 → 注册 → 使用 → 付费点 → 选购积分 → 订单支付 → 支付状态 → 传播裂变。点击右侧箭头展开各级渠道明细,数值可编辑。</p>
</div>
<button class="reset-btn" id="resetBtn" type="button">重置为示例数据</button>
</header>
<div class="stats" id="statsRow"></div>
<div class="alert-legend" id="alertLegend"></div>
<div class="board">
<section class="panel">
<div class="panel-head">
<h2>漏斗模型(3D)</h2>
<span>拖动旋转 · 滚轮缩放 · 点击定位明细</span>
</div>
<div class="funnel-stage" id="funnelStage">
<canvas id="funnelCanvas"></canvas>
<div class="labels" id="labelLayer"></div>
</div>
<p class="funnel-hint">柱体宽度按各级流量的平方根缩放,颜色按本级转化率相对目标值分级:低于目标一半为红色,低于目标为黄色,达到目标为蓝色,达到 2 倍目标为绿色。支付状态一级以「支付成功」延续漏斗,「支付失败」计为本级流失。</p>
</section>
<section class="panel">
<div class="panel-head">
<h2>各级明细</h2>
<span>可编辑</span>
</div>
<div class="tree" id="treeLayer"></div>
</section>
</div>
<footer>数值为示例数据,可编辑替换为真实业务口径;带子项的行为下级之和,仅末级数值可编辑;灰色标签为该环节涉及的配置维度(非独立计数)。</footer>
</div>
<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/build/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js"></script>
<script>
(function(){
"use strict";
// ---------- data model ----------
// A node is either a leaf ({name, value[, notes, status]}) or a branch
// ({name, children[...]}) whose value is the sum of its children.
var TREE = [
{ name: "流量入口", children: [
{ name: "自有社媒平台", children: [
{ name: "TikTok", value: 28000 },
{ name: "YouTube", value: 21000 },
{ name: "Instagram", value: 9000 },
{ name: "Facebook", value: 6000 },
{ name: "Trea", value: 3000 },
{ name: "Discord", value: 4000 },
{ name: "Reddit", value: 5000 }
]
},
{ name: "广告投放", value: 55000 },
{ name: "邮件投放", children: [
{ name: "LemonAI 邮件列表", value: 18000 }
]
},
{ name: "KOL / KOC 社媒平台", value: 30000 },
{ name: "SEO / GEO", value: 15000 },
{ name: "榜单平台", children: [
{ name: "Product Hunt", value: 4000 },
{ name: "产品集合站", value: 2000 }
]
}
]
},
{ name: "网站访问(看视频)", value: 96000 },
{ name: "网站注册", value: 38400 },
{ name: "网站使用(游玩游戏)", children: [
{ name: "文字输入", value: 10000 },
{ name: "语音输入", value: 4200 },
{ name: "视频生成(切片)", value: 6800 },
{ name: "视频生成(全局)", value: 3880 },
{ name: "游戏生成(Free)", value: 2000 }
]
},
{ name: "网站付费点", children: [
{ name: "剧情改写费", value: 5200 },
{ name: "视频生成费", value: 2864 }
]
},
{ name: "选购积分", children: [
{ name: "每日登录领取积分", value: 2000 },
{ name: "购买积分页面", value: 3645,
notes: ["多个档位", "多种订阅方式", "自动充值开关"] }
]
},
{ name: "订单支付", value: 3200,
notes: ["支付方式选择", "支付银行卡选择", "优惠券输入"] },
{ name: "支付状态", children: [
{ name: "支付失败", value: 640, status: "critical" },
{ name: "支付成功", status: "good", children: [
{ name: "订阅成功(首次)", value: 1400 },
{ name: "订阅续费", value: 900 },
{ name: "自动充值", value: 260 }
]
}
]
},
{ name: "用户传播裂变", children: [
{ name: "分享按钮", children: [
{ name: "X", value: 300 },
{ name: "YouTube", value: 150 },
{ name: "TikTok", value: 220 },
{ name: "Instagram", value: 180 },
{ name: "Facebook", value: 130 }
]
},
{ name: "下载视频", value: 640 },
{ name: "新用户邀请积分", value: 410 }
]
}
];
var nf = new Intl.NumberFormat("zh-CN");
var pf = new Intl.NumberFormat("zh-CN", { maximumFractionDigits: 1, minimumFractionDigits: 1 });
function fmtPct(x){ return pf.format(x * 100) + "%"; }
function isLeaf(node){ return !(node.children && node.children.length); }
function getValue(node){
if (isLeaf(node)) return node.value || 0;
return node.children.reduce(function(sum, c){ return sum + getValue(c); }, 0);
}
function forEachNode(nodes, fn){
nodes.forEach(function(n){ fn(n); if (n.children) forEachNode(n.children, fn); });
}
var idIndex = {};
(function walk(nodes, prefix, depth, parent){
nodes.forEach(function(node, i){
var id = prefix ? prefix + "-" + i : String(i);
node.__id = id;
node.__depth = depth;
node.__parent = parent || null;
if (isLeaf(node)) node.__defaultValue = node.value;
idIndex[id] = node;
if (node.children) walk(node.children, id, depth + 1, node);
});
})(TREE, "", 0, null);
var payStatusNode = TREE[7];
var paySuccessNode = payStatusNode.children.filter(function(c){ return c.name === "支付成功"; })[0];
var payFailNode = payStatusNode.children.filter(function(c){ return c.name === "支付失败"; })[0];
function funnelValues(){
return TREE.map(function(node){
return node === payStatusNode ? getValue(paySuccessNode) : getValue(node);
});
}
// ---------- target-based alert levels ----------
// Estimated target conversion rate INTO each stage (index aligned to TREE);
// index 0 (流量入口) has no incoming rate. Replace with real business targets
// once available.
var TARGETS = [null, 0.50, 0.25, 0.60, 0.20, 0.50, 0.40, 0.90, 0.20];
var ALERT_TEXT = {
red: "红色 · 低于目标一半",
yellow: "黄色 · 低于目标",
blue: "蓝色 · 已达标",
green: "绿色 · 超额达标(≥2×目标)"
};
var ALERT_SHORT = { red: "警戒", yellow: "待改善", blue: "达标", green: "超额" };
function stageStatus(i, vals){
var target = TARGETS[i];
if (target == null) return { rate: null, target: null, level: null };
var rate = vals[i - 1] > 0 ? vals[i] / vals[i - 1] : 0;
var level;
if (rate < target / 2) level = "red";
else if (rate < target) level = "yellow";
else if (rate < target * 2) level = "blue";
else level = "green";
return { rate: rate, target: target, level: level };
}
function alertVar(level){
return level === "red" ? "--alert-red"
: level === "yellow" ? "--alert-yellow"
: level === "green" ? "--alert-green"
: level === "blue" ? "--alert-blue"
: "--muted";
}
function renderLegend(){
document.getElementById("alertLegend").innerHTML =
'<span class="item"><span class="dot" style="background:var(--alert-red)"></span>低于目标一半</span>' +
'<span class="item"><span class="dot" style="background:var(--alert-yellow)"></span>低于目标</span>' +
'<span class="item"><span class="dot" style="background:var(--alert-blue)"></span>达到目标</span>' +
'<span class="item"><span class="dot" style="background:var(--alert-green)"></span>达到 2 倍目标</span>';
}
var expanded = {};
TREE.forEach(function(n){ expanded[n.__id] = true; });
function resetToDefaults(){
forEachNode(TREE, function(n){ if (isLeaf(n)) n.value = n.__defaultValue; });
renderAll();
}
document.getElementById("resetBtn").addEventListener("click", resetToDefaults);
// ---------- stats row ----------
var statsRow = document.getElementById("statsRow");
function renderStats(){
var vals = funnelValues();
var top = vals[0];
var overall = top > 0 ? vals[vals.length - 1] / top : 0;
var steps = [];
for (var i = 1; i < vals.length; i++){
var st = stageStatus(i, vals);
steps.push({
label: TREE[i - 1].name + " → " + TREE[i].name,
st: st,
ratio: st.target > 0 ? st.rate / st.target : 0
});
}
var passCount = steps.filter(function(s){ return s.st.level === "blue" || s.st.level === "green"; }).length;
var worst = steps.reduce(function(a, b){ return b.ratio < a.ratio ? b : a; });
statsRow.innerHTML =
'<div class="stat"><div class="label">顶部流量</div>' +
'<div class="value mono tab">' + nf.format(top) + "</div>" +
'<div class="sub">' + TREE[0].name + "</div></div>" +
'<div class="stat"><div class="label">整体转化率</div>' +
'<div class="value mono tab">' + fmtPct(overall) + "</div>" +
'<div class="sub">' + TREE[0].name + " → " + TREE[TREE.length - 1].name + "</div></div>" +
'<div class="stat"><div class="label">达标环节</div>' +
'<div class="value mono tab">' + passCount + " / " + steps.length + "</div>" +
'<div class="sub">蓝色或绿色(≥目标)环节数</div></div>' +
'<div class="stat"><div class="label">最需关注</div>' +
'<div class="value mono tab" style="color:var(' + alertVar(worst.st.level) + ')">' + fmtPct(worst.st.rate) + "</div>" +
'<div class="sub"><span class="badge ' + worst.st.level + '">● ' + ALERT_SHORT[worst.st.level] + "</span> " + worst.label + "</div></div>";
}
function tokenHex(name){
return getComputedStyle(document.documentElement).getPropertyValue(name).trim();
}
function stageColorHex(i, vals){
if (i === 0) return tokenHex("--muted");
return tokenHex(alertVar(stageStatus(i, vals).level));
}
// ---------- editable tree panel ----------
var treeLayer = document.getElementById("treeLayer");
function renderNode(node, topIndex, vals){
var depth = node.__depth;
var hasChildren = !isLeaf(node);
var wrapper = document.createElement("div");
wrapper.className = "tnode";
wrapper.setAttribute("data-depth", depth);
var row = document.createElement("div");
row.className = "trow";
row.style.paddingLeft = (14 + depth * 18) + "px";
if (depth === 0) row.id = "stage-row-" + topIndex;
var toggleHtml = hasChildren
? '<button class="trow-toggle" type="button" aria-label="展开或收起' + node.name + '" data-id="' + node.__id + '">' + (expanded[node.__id] ? "▾" : "▸") + "</button>"
: '<span class="trow-toggle-spacer"></span>';
var dotHtml;
if (depth === 0){
dotHtml = '<span class="dot" style="background:' + stageColorHex(topIndex, vals) + '"></span>';
} else if (node.status === "critical"){
dotHtml = '<span class="dot" style="background:var(--critical)"></span>';
} else if (node.status === "good"){
dotHtml = '<span class="dot" style="background:var(--good)"></span>';
} else {
dotHtml = '<span class="dot dot-muted"></span>';
}
var val = getValue(node);
var parentVal = node.__parent ? getValue(node.__parent) : null;
var pct = parentVal ? (val / parentVal * 100) : null;
var valueHtml = hasChildren
? '<span class="trow-val mono tab strong">' + nf.format(val) + "</span>"
: '<input class="val-input mono" type="number" min="0" step="1" value="' + val + '" data-id="' + node.__id + '" aria-label="' + node.name + ' 数值">';
row.innerHTML = toggleHtml + dotHtml +
'<span class="trow-name">' + node.name + "</span>" +
'<span class="trow-right">' + valueHtml +
(pct !== null ? '<span class="trow-pct mono tab">' + pct.toFixed(0) + "%</span>" : "") +
"</span>";
wrapper.appendChild(row);
if (pct !== null){
var bar = document.createElement("div");
bar.className = "trow-bar-track";
bar.style.marginLeft = (14 + depth * 18 + 22) + "px";
bar.innerHTML = '<div class="trow-bar-fill" style="width:' + Math.min(100, pct) + '%; background:var(--muted)"></div>';
wrapper.appendChild(bar);
}
if (node.notes && node.notes.length){
var notesRow = document.createElement("div");
notesRow.className = "notes-row";
notesRow.style.marginLeft = (14 + depth * 18 + 22) + "px";
notesRow.innerHTML = node.notes.map(function(t){ return '<span class="chip">' + t + "</span>"; }).join("");
wrapper.appendChild(notesRow);
}
if (node === payStatusNode){
var failVal = getValue(payFailNode);
var note = document.createElement("div");
note.className = "loop-note";
note.style.color = "var(--critical)";
note.style.marginLeft = (14 + depth * 18 + 22) + "px";
note.textContent = "本级流失(支付失败):" + nf.format(failVal) + ",漏斗以「支付成功」延续";
wrapper.appendChild(note);
}
if (node.name === "用户传播裂变"){
var loop = document.createElement("div");
loop.className = "loop-note";
loop.style.marginLeft = (14 + depth * 18 + 22) + "px";
loop.textContent = "↻ 邀请奖励反哺「流量入口」,形成增长闭环";
wrapper.appendChild(loop);
}
if (depth === 0 && topIndex >= 1){
var st = stageStatus(topIndex, vals);
var statusLine = document.createElement("div");
statusLine.className = "status-line";
statusLine.style.marginLeft = (14 + depth * 18 + 22) + "px";
statusLine.style.color = "var(" + alertVar(st.level) + ")";
statusLine.textContent = "目标 " + fmtPct(st.target) + " · 实际 " + fmtPct(st.rate) + " · " + ALERT_TEXT[st.level];
wrapper.appendChild(statusLine);
}
if (hasChildren && expanded[node.__id]){
var childWrap = document.createElement("div");
childWrap.className = "tchildren";
node.children.forEach(function(c){ childWrap.appendChild(renderNode(c, topIndex, vals)); });
wrapper.appendChild(childWrap);
}
return wrapper;
}
function renderTree(){
var vals = funnelValues();
treeLayer.innerHTML = "";
TREE.forEach(function(node, i){ treeLayer.appendChild(renderNode(node, i, vals)); });
}
treeLayer.addEventListener("click", function(e){
var btn = e.target.closest(".trow-toggle");
if (!btn) return;
var id = btn.getAttribute("data-id");
expanded[id] = !expanded[id];
renderTree();
});
treeLayer.addEventListener("input", function(e){
if (!e.target.classList.contains("val-input")) return;
var id = e.target.getAttribute("data-id");
var node = idIndex[id];
var caret = e.target.selectionStart;
var v = parseFloat(e.target.value);
if (isNaN(v) || v < 0) v = 0;
node.value = v;
renderStats();
renderTree();
rebuildFunnel();
var again = treeLayer.querySelector('[data-id="' + id + '"]');
if (again){
again.focus();
try { again.setSelectionRange(caret, caret); } catch (err) {}
}
});
function highlightStage(idx){
var row = document.getElementById("stage-row-" + idx);
if (!row) return;
row.scrollIntoView({ behavior: "smooth", block: "center" });
row.classList.remove("flash");
void row.offsetWidth;
row.classList.add("flash");
}
// ---------- three.js funnel ----------
var stageEl = document.getElementById("funnelStage");
var canvas = document.getElementById("funnelCanvas");
var labelLayer = document.getElementById("labelLayer");
var renderer = new THREE.WebGLRenderer({ canvas: canvas, antialias: true, alpha: true });
renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, 2));
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(42, 1, 0.1, 100);
camera.position.set(0.3, 1.6, 13.5);
var controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.08;
controls.enablePan = false;
controls.minDistance = 8;
controls.maxDistance = 19;
controls.target.set(0, 0.2, 0);
controls.update();
scene.add(new THREE.AmbientLight(0xffffff, 0.65));
var key = new THREE.DirectionalLight(0xffffff, 0.9);
key.position.set(4, 6, 6);
scene.add(key);
var fill = new THREE.DirectionalLight(0xffffff, 0.35);
fill.position.set(-5, -2, 3);
scene.add(fill);
var funnelGroup = new THREE.Group();
scene.add(funnelGroup);
var TOTAL_HEIGHT = 8.6;
var MIN_R = 0.26;
var MAX_R = 2.7;
var SPOUT_H = 0.7;
var segments = [];
function radiusFor(v, maxV){
if (maxV <= 0) return MIN_R;
var frac = Math.max(0, v) / maxV;
return MIN_R + (MAX_R - MIN_R) * Math.sqrt(Math.min(1, frac));
}
function buildFunnel(){
while (funnelGroup.children.length) funnelGroup.remove(funnelGroup.children[0]);
segments = [];
var vals = funnelValues();
var n = vals.length;
var maxV = Math.max.apply(null, vals);
var segH = TOTAL_HEIGHT / n;
var topY = TOTAL_HEIGHT / 2;
for (var i = 0; i < n; i++){
var rTop = radiusFor(vals[i], maxV);
var rBottom = (i < n - 1) ? radiusFor(vals[i + 1], maxV) : rTop * 0.6;
var y0 = topY - i * segH;
var yc = y0 - segH / 2;
var geo = new THREE.CylinderGeometry(rTop, rBottom, segH, 48, 1, true);
var mat = new THREE.MeshStandardMaterial({
color: new THREE.Color(stageColorHex(i, vals)),
metalness: 0.12,
roughness: 0.55,
side: THREE.DoubleSide
});
var mesh = new THREE.Mesh(geo, mat);
mesh.position.y = yc;
funnelGroup.add(mesh);
var edgeGeo = new THREE.EdgesGeometry(geo, 25);
var edgeMat = new THREE.LineBasicMaterial({ color: 0x000000, transparent: true, opacity: 0.18 });
var edges = new THREE.LineSegments(edgeGeo, edgeMat);
edges.position.y = yc;
funnelGroup.add(edges);
var side = i % 2 === 0 ? 1 : -1;
var anchor = new THREE.Object3D();
var rMid = (rTop + rBottom) / 2;
anchor.position.set(side * (rMid + 0.4), yc, 0);
anchor.userData.side = side;
funnelGroup.add(anchor);
segments.push({ mesh: mesh, mat: mat, anchor: anchor, side: side });
}
var lastR = radiusFor(vals[n - 1], maxV) * 0.6;
var spoutGeo = new THREE.CylinderGeometry(lastR, lastR * 0.85, SPOUT_H, 32, 1, true);
var spoutMat = new THREE.MeshStandardMaterial({
color: new THREE.Color(tokenHex("--spout") || "#0d366b"),
metalness: 0.2,
roughness: 0.4,
side: THREE.DoubleSide
});
var spout = new THREE.Mesh(spoutGeo, spoutMat);
spout.position.y = -TOTAL_HEIGHT / 2 - SPOUT_H / 2;
funnelGroup.add(spout);
buildLabels(vals);
}
function updateFunnelColors(){
var vals = funnelValues();
segments.forEach(function(seg, i){ seg.mat.color.set(stageColorHex(i, vals)); });
}
// ---------- projected HTML labels ----------
var labelEls = [];
function buildLabels(vals){
labelLayer.innerHTML = "";
labelEls = [];
TREE.forEach(function(node, i){
var el = document.createElement("div");
el.className = "flabel" + (segments[i] && segments[i].side < 0 ? " left" : "");
var st = i === 0 ? null : stageStatus(i, vals);
var convHtml = st === null
? '<span class="conv" style="color:var(--muted)">起点</span>'
: '<span class="conv" style="color:var(' + alertVar(st.level) + ')">' + fmtPct(st.rate) + " / 目标 " + fmtPct(st.target) + "</span>";
var extra = node === payStatusNode ? ' <span style="color:var(--critical)">(失败 ' + nf.format(getValue(payFailNode)) + ")</span>" : "";
el.innerHTML =
'<span class="name">' + node.name + "</span>" +
'<span class="val mono tab">' + nf.format(vals[i]) + extra + "</span>" +
convHtml;
labelLayer.appendChild(el);
labelEls.push(el);
});
}
var _v = new THREE.Vector3();
function updateLabelPositions(){
if (!segments.length) return;
var rect = stageEl.getBoundingClientRect();
var w = rect.width, h = rect.height;
segments.forEach(function(seg, i){
var el = labelEls[i];
if (!el) return;
seg.anchor.getWorldPosition(_v);
_v.project(camera);
var visible = _v.z < 1;
var x = (_v.x * 0.5 + 0.5) * w;
var y = (-_v.y * 0.5 + 0.5) * h;
el.style.left = x + "px";
el.style.top = y + "px";
el.style.opacity = visible ? "1" : "0";
});
}
function rebuildFunnel(){ buildFunnel(); }
function resizeRenderer(){
var rect = stageEl.getBoundingClientRect();
var w = Math.max(1, rect.width);
var h = Math.max(1, rect.height);
renderer.setSize(w, h, false);
camera.aspect = w / h;
camera.updateProjectionMatrix();
}
var ro = new ResizeObserver(resizeRenderer);
ro.observe(stageEl);
var raycaster = new THREE.Raycaster();
var downPos = null;
canvas.addEventListener("pointerdown", function(e){ downPos = { x: e.clientX, y: e.clientY }; });
canvas.addEventListener("pointerup", function(e){
if (!downPos) return;
var dx = e.clientX - downPos.x, dy = e.clientY - downPos.y;
downPos = null;
if (Math.hypot(dx, dy) > 4) return;
var rect = canvas.getBoundingClientRect();
var ndc = new THREE.Vector2(
((e.clientX - rect.left) / rect.width) * 2 - 1,
-((e.clientY - rect.top) / rect.height) * 2 + 1
);
raycaster.setFromCamera(ndc, camera);
var meshes = segments.map(function(s){ return s.mesh; });
var hits = raycaster.intersectObjects(meshes);
if (hits.length) highlightStage(meshes.indexOf(hits[0].object));
});
function tick(){
controls.update();
renderer.render(scene, camera);
updateLabelPositions();
requestAnimationFrame(tick);
}
var media = window.matchMedia("(prefers-color-scheme: dark)");
function onThemeChange(){ updateFunnelColors(); }
if (media.addEventListener) media.addEventListener("change", onThemeChange);
new MutationObserver(onThemeChange).observe(document.documentElement, { attributes: true, attributeFilter: ["data-theme"] });
function renderAll(){
renderStats();
renderTree();
rebuildFunnel();
}
renderLegend();
resizeRenderer();
renderAll();
requestAnimationFrame(tick);
window.addEventListener("resize", resizeRenderer);
})();
</script>
</body>
</html>