@import url("/css/feature-detail.css?v=3");

.oa .fd-hero {
  padding-bottom: clamp(36px, 5vw, 56px);
}

.oa-banner {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.oa-banner .fd-hero h1,
.oa-banner h1 {
  max-width: none;
}

.oa-banner-media {
  margin: 0;
}

.oa-banner-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(26, 23, 20, 0.12);
}

.oa-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.oa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.oa-card {
  background: #f4f3ef;
  border-radius: 24px;
  overflow: hidden;
}

.oa-card img {
  border-radius: 0;
}

.oa-card-body {
  padding: 20px 22px 24px;
}

.oa-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.35;
  color: #3f0808;
}

.oa-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(26, 23, 20, 0.72);
}

.oa-tutorial {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 8px 14px 8px 8px;
  border-radius: 14px;
  background: #3f0808;
  color: #fff;
  text-decoration: none;
}

.oa-tutorial b {
  flex-shrink: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
  color: #3f0808;
  font-size: 13px;
  line-height: 1.2;
}

.oa-tutorial span {
  flex: 1;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
}

.oa-tutorial i {
  flex-shrink: 0;
  font-style: normal;
  font-size: 18px;
}

.oa-note {
  max-width: 760px;
  margin: 28px auto 0;
  text-align: center;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(26, 23, 20, 0.72);
}

.oa-note a,
.oa-faq a {
  color: #166534;
  font-weight: 650;
}

.oa-faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.oa-faq {
  background: #fff;
  border: 1px solid rgba(26, 23, 20, 0.08);
  border-radius: 16px;
  padding: 18px 22px;
}

.oa-faq h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: #1a1714;
}

.oa-faq p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(26, 23, 20, 0.68);
}

@media (max-width: 860px) {
  .oa-banner,
  .oa-grid {
    grid-template-columns: 1fr;
  }
}