/* opacity introduction: 2026-08-30 v1 */

.bk-opacity-intro-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 4px;
}

.bk-opacity-intro-feature {
  min-height: 92px;
  padding: 12px 14px;
  border: 1px solid #cfe2e9;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: #344851;
}

.bk-opacity-intro-feature i {
  margin-right: 6px;
  color: #168ac2;
}

.bk-opacity-intro-feature strong,
.bk-opacity-intro-feature small {
  display: block;
}

.bk-opacity-intro-feature small {
  margin-top: 4px;
  color: #63747c;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-intro-samples {
  margin-top: 10px;
}

.bk-opacity-intro-samples ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.bk-opacity-intro-samples li {
  margin-bottom: 16px;
}

.bk-opacity-intro-samples figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid #d8e0e5;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(34, 57, 70, 0.1);
}

.bk-opacity-intro-samples img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border: 0;
  background: url(/images/edit_backimage.png);
}

.bk-opacity-intro-samples figcaption {
  padding: 8px 10px;
  color: #455963;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

@media (max-width: 767px) {
  .bk-opacity-intro-features {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .bk-opacity-intro-feature {
    min-height: 0;
  }
}