/* Preview-only expansion marks; native details behavior stays unchanged. */
#mp-site #home-capabilities .es-option > summary::after {
  content: '';
  display: block;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14M12 5v14' fill='none' stroke='%23b9d8e7' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px 14px;
}
#mp-site #home-capabilities .es-option[open] > summary::after {
  content: '';
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14' fill='none' stroke='%23b9d8e7' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}