/* ── ACUPOINTS ── */
#acupoints { background:var(--rice); }

.acu-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:1px; background:var(--border);
  margin-top:4rem;
  border:1px solid var(--border); border-radius:3px; overflow:hidden;
}
.acu-card {
  background:var(--cream); padding:2.5rem 2rem;
  transition:background 0.3s; position:relative; overflow:hidden;
}
.acu-card:hover { background:var(--rice); }
.acu-card::after {
  content:''; position:absolute;
  bottom:0; left:2rem; right:2rem; height:1px;
  background:var(--signal);
  transform:scaleX(0); transition:transform 0.3s; transform-origin:left;
}
.acu-card:hover::after { transform:scaleX(1); }

.acu-electrode {
  font-family:'IBM Plex Mono', monospace;
  font-size:0.65rem; letter-spacing:0.2em;
  color:var(--signal); text-transform:uppercase; margin-bottom:0.4rem;
}
.acu-name-zh {
  font-family:'Noto Serif SC', serif;
  font-size:2rem; font-weight:300;
  color:var(--ink); margin-bottom:0.2rem; line-height:1;
}
.acu-name-pinyin {
  font-family:'Playfair Display', serif;
  font-size:0.85rem; font-style:italic;
  color:var(--muted); margin-bottom:0.5rem;
}
.acu-meridian {
  font-family:'Noto Serif SC', serif;
  font-size:0.7rem; color:var(--gold);
  padding-bottom:1rem; margin-bottom:1rem;
  border-bottom:1px solid var(--border2);
}
.acu-desc {
  font-family:'Noto Sans SC', sans-serif;
  font-size:0.78rem; line-height:1.8; color:var(--muted);
}

@media(max-width:900px) {
  .acu-grid { grid-template-columns:1fr; }
}