.c9-page-content,
.c9-page-content * {
  box-sizing: border-box;
}

:root {
  --c9-media-w: clamp(260px, 30vw, 380px);
  --c9-left-gutter: 88px;
}

body {
  /* Override page.css cap so the right preview column is usable. */
  max-width: none;
}

.c9-page-content {
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.c9-page-content .section {
  max-width: none;
  margin: 0;
  width: min(860px, calc(100vw - var(--c9-media-w) - var(--c9-left-gutter)));
  padding: 0 0 3rem;
}

.back {
  margin-bottom: 16px;
}

.c9-page-content .intro {
  font-size: 14px;
  color: #888;
  line-height: 1.7;
  max-width: 780px;
  padding-left: 14px;
  margin-bottom: 2.5rem;
}

.c9-page-content .stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.c9-page-content .stat-num {
  font-size: 24px;
  font-weight: 500;
  color: #1a56a0;
  line-height: 1.1;
}

.c9-page-content .stat-label {
  font-size: 12px;
  color: #aaa;
  margin-top: 5px;
  line-height: 1.5;
}

.c9-page-content .grid-label {
  font-size: 11px;
  color: #bbb;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.c9-page-content .post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 1rem;
}

.c9-page-content .media-preview {
  position: fixed;
  top: 50%;
  right: 28px;
  width: var(--c9-media-w);
  transform: translateY(-50%);
  aspect-ratio: 4 / 5;
  min-height: 0;
  height: calc(var(--c9-media-w) * 1.25);
  max-height: calc(100vh - 48px);
  margin: 0;
  border: 1px solid #eee;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.c9-page-content .media-preview img,
.c9-page-content .media-preview video {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  display: block;
}

.c9-page-content .media-preview.is-gallery {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  aspect-ratio: auto;
  height: min(82vh, 760px);
  max-height: min(82vh, 760px);
}

.c9-page-content .media-preview.is-gallery img {
  flex: 1 1 0;
  width: 100%;
  height: 0;
  min-height: 0;
  object-fit: cover;
  border-radius: 6px;
}

.c9-page-content .post-tile {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  border: 1px solid #eee;
  transition: border-color 0.15s;
}

.c9-page-content .post-tile:hover {
  border-color: #ccc;
}

.c9-page-content .post-tile.active {
  border-color: #1a56a0;
}

.c9-page-content .tile-type {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #bbb;
  margin-bottom: 8px;
}

.c9-page-content .tile-title {
  font-size: 12px;
  color: #222;
  line-height: 1.45;
  font-weight: 500;
}

.c9-page-content .tile-ctr {
  font-size: 20px;
  font-weight: 500;
  color: #1a56a0;
  margin-top: 14px;
}

.c9-page-content .tile-ctr-label {
  font-size: 10px;
  color: #bbb;
  margin-top: 2px;
}

.c9-page-content .detail {
  padding: 1.5rem 0;
  margin-bottom: 2.5rem;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  min-height: 120px;
}

.c9-page-content .detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 1rem;
}

.c9-page-content .detail-title {
  font-size: 14px;
  font-weight: 500;
  color: #222;
  line-height: 1.4;
}

.c9-page-content .detail-date {
  font-size: 12px;
  color: #bbb;
  white-space: nowrap;
}

.c9-page-content .detail-metrics {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.c9-page-content .dm-val {
  font-size: 20px;
  font-weight: 500;
  color: #1a56a0;
}

.c9-page-content .dm-label {
  font-size: 11px;
  color: #aaa;
  margin-top: 2px;
}

.c9-page-content .detail-about {
  font-size: 13px;
  color: #888;
  line-height: 1.7;
}

.c9-page-content .approach {
  margin-bottom: 2rem;
}

.c9-page-content .approach-item {
  display: flex;
  gap: 2rem;
  padding: 14px 0;
  border-bottom: 1px solid #f0f0f0;
}

.c9-page-content .approach-item:last-child {
  border-bottom: none;
}

.c9-page-content .approach-num {
  font-size: 12px;
  color: #c0392b;
  min-width: 20px;
  font-weight: 500;
}

.c9-page-content .approach-text {
  font-size: 13px;
  color: #888;
  line-height: 1.7;
}

.c9-page-content .approach-text strong {
  color: #222;
  font-weight: 500;
}

@media (max-width: 900px) {
  .c9-page-content .section {
    width: 100%;
  }

  .c9-page-content .media-preview {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    min-height: 280px;
    margin-bottom: 1rem;
    border: 1px solid #eee;
    border-radius: 8px;
  }

  .c9-page-content .media-preview img,
  .c9-page-content .media-preview video {
    min-height: 280px;
  }

  .c9-page-content .media-preview.is-gallery {
    height: auto;
    max-height: none;
  }

  .c9-page-content .media-preview.is-gallery img {
    height: 180px;
  }
}

@media (max-width: 720px) {
  .c9-page-content .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .c9-page-content .post-grid {
    grid-template-columns: 1fr;
  }

  .c9-page-content .media-preview,
  .c9-page-content .media-preview img,
  .c9-page-content .media-preview video {
    min-height: 220px;
  }
}