.intro-hub,
.intro-list {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 12px 64px;
}

.intro-hub__hero,
.intro-list__hero {
  text-align: center;
  margin-bottom: 36px;
}

.intro-hub__eyebrow,
.intro-list__eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ff6f00;
}

.intro-hub__title,
.intro-list__title {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  color: #222;
}

.intro-hub__lead,
.intro-list__lead {
  margin: 0 auto;
  max-width: 36em;
  color: #666;
  line-height: 1.65;
}

.intro-hub__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 22px;
}

.intro-hub__jump-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #555;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.intro-hub__jump-btn:hover {
  background: #fff4e8;
  border-color: #f2b974;
  color: #ff6f00;
}

.intro-section {
  margin-top: 56px;
  padding-top: 12px;
  scroll-margin-top: 96px;
}

.intro-section__header {
  margin-bottom: 24px;
  text-align: center;
}

.intro-section__title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  color: #222;
}

.intro-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.intro-hub__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 18px;
  background: #fff;
  border: 1px solid #ebe3d6;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.intro-hub__card:hover {
  transform: translateY(-4px);
  border-color: #f2b974;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.intro-hub__card-title {
  margin: 0;
  font-size: 1.15rem;
}

.intro-hub__card-lead {
  margin: 0;
  color: #666;
  font-size: 0.92rem;
  line-height: 1.5;
  flex: 1;
}

.intro-hub__card-meta {
  font-size: 0.82rem;
  color: #888;
}

.intro-hub__card-cta {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ff6f00;
}

.intro-list__back {
  margin: 0 0 12px;
}

.intro-list__back a {
  color: #777;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}

.intro-list__back a:hover {
  color: #ff6f00;
}

.intro-list__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}

.intro-list__tab {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #555;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.intro-list__tab.is-active,
.intro-list__tab:hover {
  background: #fff4e8;
  border-color: #f2b974;
  color: #ff6f00;
}

.intro-list__group {
  margin-bottom: 40px;
}

.intro-list__group-title {
  margin: 0 0 16px;
  font-size: 1.25rem;
  color: #222;
  padding-bottom: 8px;
  border-bottom: 1px solid #ebe3d6;
}

.intro-list__empty {
  text-align: center;
  color: #888;
  padding: 28px 12px;
}

.intro-card {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: 20px;
  padding: 20px;
  margin-bottom: 18px;
  background: #fff;
  border: 1px solid #ebe3d6;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.03);
}

.intro-card__body {
  /* 표(.intro-table)의 min-width 때문에 그리드 칸이 페이지 밖으로 밀리지 않도록 */
  min-width: 0;
}

.intro-card__media {
  border-radius: 12px;
  overflow: hidden;
  background: #fff6e8;
  align-self: start;
}

.intro-card__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 이미지 비율 선택: 관리자에서 지정한 경우에만 해당 비율로 크롭 */
.intro-card__media--ratio1 img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.intro-card__media--ratio2 img {
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.intro-card__placeholder {
  width: 100%;
  min-height: 140px;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 183, 0, 0.35), transparent 55%),
    linear-gradient(135deg, #ffe9c2 0%, #f2b974 100%);
}

.intro-card__title {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.intro-card__meta {
  margin: 0 0 10px;
  color: #888;
  font-size: 0.9rem;
}

.intro-card__summary {
  margin: 0 0 12px;
  color: #555;
  line-height: 1.6;
  font-size: 0.95rem;
}

.intro-table-wrap {
  overflow-x: auto;
  margin: 8px 0 12px;
  -webkit-overflow-scrolling: touch;
}

.intro-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.intro-table th,
.intro-table td {
  border: 1px solid #ebe3d6;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.intro-table th {
  width: 28%;
  background: #fff8ef;
  color: #555;
  font-weight: 600;
  white-space: nowrap;
}

.intro-card__link a,
.intro-card__news a {
  color: #ff6f00;
  text-decoration: none;
  font-weight: 600;
}

.intro-card__link a:hover,
.intro-card__news a:hover {
  color: #222;
}

.intro-card__link a.intro-card__link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #ff6f00;
  color: #fff;
}

.intro-card__link a.intro-card__link-btn:hover {
  background: #e05f00;
  color: #fff;
}

/* 사진이 없는 카드: 좌측 이미지 칸을 없애고 본문을 전체 폭으로 */
.intro-card--no-media {
  grid-template-columns: 1fr;
}

/* 기술 및 지식재산: 이미지만 노출 */
.intro-card--media-only {
  display: block;
  padding: 0;
  overflow: hidden;
}

/* 행사 운영: 사진 2장을 세로로 배열 */
.intro-card__media--dual {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 행사 운영: 기본 정보 표와 관련 뉴스 사이 여백 축소 */
.intro-card--event .intro-table-wrap {
  margin-bottom: 4px;
}

.intro-card--event .intro-card__news {
  margin-top: 0;
}

.intro-card--event .intro-card__news h4 {
  margin-top: 0;
}

/* 외주 용역 · 기술 및 지식재산: 세로형 카드로 PC에서 한 줄에 4개씩 배치 */
.intro-grid-2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.intro-grid-2 .intro-card {
  grid-template-columns: 1fr;
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .intro-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.intro-card__news h4 {
  margin: 12px 0 8px;
  font-size: 0.95rem;
}

.intro-card__news ul {
  margin: 0;
  padding-left: 1.1em;
}

.intro-card__news li {
  margin-bottom: 4px;
}

.intro-card__news-source {
  margin-left: 6px;
  color: #888;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .intro-hub,
  .intro-list {
    padding: 0 0 48px;
  }

  .intro-hub__jump {
    gap: 6px;
  }

  .intro-hub__jump-btn,
  .intro-list__tab {
    min-height: 44px;
    padding: 8px 12px;
    box-sizing: border-box;
    text-align: center;
  }

  .intro-section {
    margin-top: 40px;
  }

  .intro-section__header {
    margin-bottom: 18px;
  }

  .intro-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .intro-card__title {
    font-size: 1.1rem;
    line-height: 1.4;
  }

  .intro-card__summary {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .intro-list__tabs {
    justify-content: flex-start;
  }

  .intro-table {
    min-width: 34rem;
    font-size: 0.85rem;
  }

  .intro-table th,
  .intro-table td {
    padding: 8px;
  }

  .intro-grid-2 {
    grid-template-columns: 1fr;
  }
}

body.dark-mode .intro-hub__card,
body.dark-mode .intro-card {
  background: #1c1c1c;
  border-color: #333;
}

body.dark-mode .intro-hub__title,
body.dark-mode .intro-list__title,
body.dark-mode .intro-card__title,
body.dark-mode .intro-list__group-title,
body.dark-mode .intro-section__title {
  color: #f2f2f2;
}

body.dark-mode .intro-table th {
  background: #252525;
  color: #ccc;
}

body.dark-mode .intro-table th,
body.dark-mode .intro-table td {
  border-color: #444;
}