/* ---------- IEEE-style page ---------- */
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  /* ---------- Abstract & Index Terms ---------- */
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  /* ---------- Address ------------ */
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  /* ---------- Print ---------- */
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    html { background: white; }
    body {
      box-shadow: none;
      margin: 0;
      padding: 0.75in 0.6in;
      max-width: none;
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  /* ---------- Small screens: collapse to one column ---------- */
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    body { padding: 0.5in 0.4in; font-size: 11pt; }
    main.body { column-count: 1; }
    h1.paper-title { font-size: 18pt; }
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</style>

<style>
.cite {
  position: relative;
  color: inherit;
  text-decoration: none;
}

.cite-popup {
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  left: 50%;
  bottom: 100%;
  transform: translateX(-50%) translateY(6px);

  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;

  padding: .4em .6em;
  border-radius: .4em;
  background: black;
  color: white;
  white-space: nowrap;
  font-size: .85em;
}

.cite:hover .cite-popup {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}