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G5 · 象形柱状图

逐年计数（一个符号=固定数量）的 Glance 真实参考实现。示例结论为“每年种下多少棵树”，副标题已经把图例、单位或时间口径写在图旁：植树造林计划 · 单位：千棵

技术档案

项目 约定
数据形状 逐年计数（一个符号=固定数量）
场合 对外故事页
读者时间 <10s
渲染引擎 ECharts
交互与动效 滚入视野初始化，点击图表重播；保留原 gallery 的 tooltip 与动画
示例来源行 PICTORIAL BAR · MONO-FANCY · GREEN OPS

实现与使用边界

  • 页面直接复用 gallery 中 “Trees planted, year by year” 的卡片结构和同名渲染块，没有按截图重新绘制。
  • 标题、副标题、图形、来源行四件套保持原样；数据编码、比例关系、灰阶和动画节奏由原实现决定。
  • 使用时只替换数据与文案，并保持“逐年计数（一个符号=固定数量）”这一数据契约；若数据本体改变，应回到总目录重新选型。
  • 颜色限于 Mono 灰阶，面积编码继续使用平方根换算；柱长、位置与角度编码不得断轴或视觉夸大。

模板来源：Lieflat Charts G5 Pictorial Bar，真实骨架取自 templates/glance-gallery.html 的 “Trees planted, year by year” 卡片与对应渲染块。

g5-pictorial-bar.html —— 自包含单页源码 
<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Lieflat Charts — G5 象形柱状图</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts@6/dist/echarts.min.js"></script>
<link rel="stylesheet" href="../../../../vendor/fonts/fonts.css">
<style>
  :root{--bg:#F0EFEB;--dark:#1C1C1A;--ink:#1C1C1A;--muted:#8F8E88;--faint:#C6C5BF;--grid:#DEDDD6}
  *{margin:0;padding:0;box-sizing:border-box}
  body{background:var(--bg);font-family:'Inter',sans-serif;color:var(--ink);padding:40px;-webkit-font-smoothing:antialiased}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:1400px;margin:0 auto}
  .card{background:var(--bg);border-radius:24px;padding:28px 28px 20px}
  .card.dark{background:var(--dark);color:#F0EFEB}
  .card.dark .sub{color:#8F8E88}
  .card.dark .src{color:#55554F}
  h2{font-weight:700;font-size:16.5px;letter-spacing:-.02em;margin-bottom:3px}
  .sub{font-size:11.5px;color:var(--muted);margin-bottom:14px}
  .src{font-size:9.5px;color:var(--faint);margin-top:10px;letter-spacing:.08em;font-weight:500}
  .ch{height:320px}
  .wrap{position:relative;height:320px}
  svg text{font-family:'Inter',sans-serif}
  .pop{transform-box:fill-box;transform-origin:center;animation:pop .5s cubic-bezier(.2,.7,.3,1.3) both}
  @keyframes pop{from{transform:scale(0)}to{transform:none}}

  .pagehead{max-width:1400px;margin:0 auto 26px;padding:0 4px}
  .pagehead h1{font-size:22px;letter-spacing:-.02em;font-weight:800}
  .pagehead p{font-size:12px;color:#8F8E88;margin-top:5px;line-height:1.7}
  .pagehead .badge{margin:0 2px}
  .badge{display:inline-block;font-size:9px;font-weight:700;letter-spacing:.08em;
    padding:3px 10px;border-radius:99px;margin-bottom:10px}
  .badge.del{background:#1C1C1A;color:#F0EFEB}
  .badge.pick{border:1.5px solid #1C1C1A;color:#1C1C1A}
  .badge.pair{border:1px dashed #B0AFA9;color:#8F8E88}
  .card.dark .badge.del{background:#F0EFEB;color:#1C1C1A}
  .card.dark .badge.pick{border-color:#F0EFEB;color:#F0EFEB}
  .card.dark .badge.pair{border-color:#55554F;color:#8F8E88}

  html,body{min-height:100%;margin:0}
  body{display:grid;place-items:center;padding:28px}
  .pagehead{display:none}
  .grid2{display:block;width:min(100%,920px);max-width:920px;margin:0 auto}
  .card,.card.wide{display:block;width:100%;min-height:520px;padding:38px 42px 24px}
  .card .split{grid-template-columns:minmax(190px,250px) 1fr}
  .wiki-code{display:inline-block;margin-bottom:12px;padding:4px 11px;border:1px dashed #B0AFA9;border-radius:99px;color:#8F8E88;font-size:10px;font-weight:700;letter-spacing:.08em}
  .card.dark .wiki-code{border-color:#55554F}
  @media(max-width:620px){
    body{padding:10px}
    .card,.card.wide{min-height:500px;padding:26px 18px 20px}
    .card .split{display:block}
    .card .note,.card .legend{display:none}
  }
</style>

</head>
<body>
<main class="grid2">
<div class="card">
    <span class="wiki-code">GLANCE 快读型 · G5</span>
    <h2>每年种下多少棵树</h2>
    <div class="sub">植树造林计划 · 单位：千棵</div>
    <div class="ch" id="forest"></div>
    <div class="src">PICTORIAL BAR · MONO-FANCY · GREEN OPS</div>
  </div>
</main>
<script>
// ── shared Mono tokens ──
const INK='#1C1C1A',PAPER='#F0EFEB',MUTED='#8F8E88',GRID='#DEDDD6';
const L=['#1C1C1A','#4A4944','#6A6963','#8F8E88','#B0AFA9','#C6C5BF'];
const LAD=['#1C1C1A','#4A4944','#8F8E88','#B0AFA9','#D8D7D1'];
const tipLight={backgroundColor:INK,borderWidth:0,textStyle:{color:PAPER,fontFamily:'Inter',fontSize:12},padding:[10,14]};
const tipDark={backgroundColor:PAPER,borderWidth:0,textStyle:{color:INK,fontFamily:'Inter',fontSize:12},padding:[10,14]};
const rnd=(i,k)=>((i*73856093)^(k*19349663))%1000/1000; // deterministic

// ── unified reveal: every chart waits to be scrolled into view; click replays.
//    fn charts manage their own timers via keep(); they're cleared on replay.
const timers={};
const obsReveal=(id,fn)=>{
  const el=document.getElementById(id);
  const go=()=>{(timers[id]||[]).forEach(clearInterval);timers[id]=[];fn(el)};
  const io=new IntersectionObserver(es=>{
    if(es[0].isIntersecting){go();io.disconnect()}
  },{threshold:.35});
  io.observe(el);
  el.style.cursor='pointer';
  el.addEventListener('click',go);
};
const keep=(id,t)=>{(timers[id]=timers[id]||[]).push(t)};
const eReveal=(id,opt)=>obsReveal(id,el=>{
  const g=echarts.getInstanceByDom(el)||echarts.init(el);
  g.clear();g.setOption(opt);
});
const cjs={};
const cReveal=(id,mkCfg)=>obsReveal(id,el=>{
  cjs[id]?.destroy();
  cjs[id]=new Chart(el,mkCfg());
});

Chart.defaults.color=MUTED;
Chart.defaults.font.family='Inter';
Chart.defaults.font.size=10.5;
Chart.defaults.borderColor=GRID;
Chart.defaults.plugins.legend.display=false;
Chart.defaults.plugins.tooltip.backgroundColor=INK;
Chart.defaults.plugins.tooltip.titleColor='#F0EFEB';
Chart.defaults.plugins.tooltip.bodyColor='#A5A49E';
Chart.defaults.plugins.tooltip.padding=12;
Chart.defaults.plugins.tooltip.cornerRadius=12;
Chart.defaults.plugins.tooltip.displayColors=false;

// ════ mono-fancy · 1: pictorial bar forest ════
(()=>{
const TREE='path://M20,0 L38,28 L29,28 L40,46 L26,46 L26,58 L14,58 L14,46 L0,46 L11,28 L2,28 Z';
const years=['2022','2023','2024','2025','2026'];
const vals=[26,41,63,88,117];
eReveal('forest',{
  animationDuration:900,animationEasing:'quarticOut',animationDelay:i=>i*120,
  tooltip:{...tipLight,formatter:p=>p.name+' — '+vals[p.dataIndex]+'k trees'},
  grid:{left:44,right:56,top:10,bottom:8},
  yAxis:{type:'category',data:years,inverse:true,
    axisLine:{show:false},axisTick:{show:false},
    axisLabel:{color:MUTED,fontFamily:'Inter',fontSize:10.5,fontWeight:700}},
  xAxis:{show:false,max:13},
  series:[{
    type:'pictorialBar',symbol:TREE,
    symbolRepeat:true,symbolSize:[17,24],symbolMargin:3,symbolClip:true,
    data:vals.map((v,i)=>({name:years[i],value:v/10,itemStyle:{color:L[Math.max(0,4-i)]}})),
    label:{show:true,position:'right',offset:[8,0],
      color:INK,fontFamily:'Inter',fontSize:12,fontWeight:700,
      formatter:p=>vals[p.dataIndex]+'k'},
    z:10,
  },{
    type:'pictorialBar',symbol:TREE,
    symbolRepeat:'fixed',symbolSize:[17,24],symbolMargin:3,symbolClip:true,
    itemStyle:{color:'#DEDDD6'},data:years.map(()=>13),silent:true,z:5,
  }],
});
})();
</script>
</body>
</html>