.definition-jeu {
  font-size: 1.02rem;
  line-height: 1.7;
  padding: 14px 18px;
  border-left: 3px solid var(--color-mid, #b8860b);
  background: rgba(255,255,255,0.03);
  border-radius: 0 10px 10px 0;
  margin: 0 0 20px;
}
.diagramme-damier {
  margin: 24px auto;
  max-width: 400px;
}
.diagramme-damier svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}
.diagramme-damier figcaption {
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #94a3b8;
  text-align: center;
}