azhi-ss/html-effectiveness/05-diagram

<article class="figure">
  <h3>Figure 1 · Token bucket</h3>
  <svg viewBox="0 0 240 160" width="240" height="160">
    <!-- 用基本图元：rect, circle, path, text -->
    <rect x="60" y="40" width="120" height="80" rx="8"
          fill="var(--ivory)" stroke="var(--slate)" stroke-width="2"/>
    <!-- tokens as small circles -->
    <circle cx="80"  cy="100" r="6" fill="var(--clay)"/>
    <circle cx="100" cy="100" r="6" fill="var(--clay)"/>
    <circle cx="120" cy="100" r="6" fill="var(--clay)"/>
    <!-- inflow -->
    <path d="M 120 10 L 120 38" stroke="var(--success)" fill="none"
          stroke-width="2" marker-end="url(#arr-down)"/>
    <text x="130" y="25" font-size="11">refill rate/sec</text>
  </svg>
  <p class="caption">A bucket holds at most <code>burst</code> tokens; refills at <code>rate</code>/sec.</p>
</article>
 
<article class="figure">
  <h3>Figure 2 · LRU cache eviction</h3>
  <svg viewBox="0 0 320 100">...</svg>
  <p class="caption">...</p>
</article>

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  <!-- 节点 -->
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    <rect x="20" y="40" width="140" height="60" rx="8"/>
    <text x="90" y="68" text-anchor="middle">CI · lint+typecheck</text>
    <text x="90" y="86" text-anchor="middle" class="sub">~2 min · ci.yml</text>
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  <g class="node decision">
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    <text x="240" y="74" text-anchor="middle">tests pass?</text>
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    <text x="570" y="74" text-anchor="middle">✓ Deploy complete</text>
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  <path d="M 320 70 L 500 70" class="edge success" marker-end="url(#arr)"/>
 
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</svg>
 
<!-- 节点详情面板（点击节点弹出） -->
<aside id="ci-detail" hidden>
  <h4>CI · lint + typecheck</h4>
  <p>~2 min · <code>.github/workflows/ci.yml</code>. Runs <code>eslint</code> + <code>tsc --noEmit</code>.</p>
</aside>

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