.pceu {
  --pceu-ink:#173747;
  --pceu-gold:#b98b3c;
  color:var(--pceu-ink);
  font-family:inherit;
  line-height:1.75
}
.pceu * {
  box-sizing:border-box
}
.pceu [hidden] {
  display:none!important
}
.pceu a {
  color:#155771;
  text-underline-offset:4px
}
.pceu a:focus-visible,.pceu button:focus-visible,.pceu input:focus-visible {
  outline:3px solid #b98b3c;
  outline-offset:4px
}
.pceu-catalog {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));
  gap:24px;
  margin:32px 0
}
.pceu-card {
  padding:30px;
  border:1px solid #d9e3e5;
  border-radius:14px;
  background:#fbfcfa
}
.pceu-card h2 {
  font-size:1.5rem;
  line-height:1.35;
  margin:12px 0
}
.pceu-eyebrow {
  font-size:.8rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-weight:700
}
.pceu .pceu-button {
  display:inline-block;
  padding:12px 20px;
  border-radius:6px;
  background:var(--pceu-ink);
  color:#fff;
  text-decoration:none;
  font-weight:600
}
.pceu-layout {
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  gap:36px;
  align-items:start
}
.pceu-toc {
  position:sticky;
  top:70px;
  border-top:3px solid var(--pceu-gold);
  padding:16px;
  background:#f5f8f7;
  font-size:.9rem;
  max-height:75vh;
  overflow:auto
}
.pceu-toc ol {
  padding-left:22px;
  margin:12px 0
}
.pceu-toc li {
  margin-bottom:10px
}
.pceu-lessons {
  min-width:0
}
.pceu-lessons h2 {
  scroll-margin-top:100px;
  font-size:1.8rem;
  margin:2em 0 .75em;
  line-height:1.3
}
.pceu-lessons h3 {
  font-size:1.25rem;
  line-height:1.45
}
.pceu-lessons img {
  max-width:100%;
  height:auto
}
.pceu-lessons table {
  display:block;
  overflow:auto;
  max-width:100%;
  border-collapse:collapse
}
.pceu-lessons td,.pceu-lessons th {
  padding:10px;
  border:1px solid #d9e3e5
}
.pceu-lessons .info-card,.pceu-lessons .callout,.pceu-lessons .key-point {
  background:#f3f7f5;
  border-left:3px solid var(--pceu-gold);
  padding:18px;
  margin:18px 0
}
.pceu-tools {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  border-bottom:1px solid #d9e3e5;
  padding:16px 0;
  margin-bottom:24px;
  font-size:.9rem
}
.pceu-tools button {
  background:white;
  border:1px solid #173747;
  border-radius:5px;
  padding:8px 12px;
  color:#173747;
  cursor:pointer
}
.pceu-next {
  margin-top:40px;
  padding:24px;
  background:#f3f7f5;
  border-radius:8px
}
.pceu-next h2 {
  font-size:1.3rem
}
@media(max-width:760px) {
  .pceu-layout {
    grid-template-columns:1fr;
    gap:20px
  }
  .pceu-toc {
    position:static;
    max-height:none
  }
  .pceu-card {
    padding:22px
  }
}
@media print {
  .pceu-tools,.pceu-toc {
    display:none
  }
  .pceu-layout {
    display:block
  }
}