.page-layout { display: grid; grid-template-columns: 250px 1fr; gap: 48px; align-items: start; }
.side-nav { position: sticky; top: 24px; border-top: 3px solid var(--green); background: var(--green-mist); }
.side-nav h2 { padding: 22px 24px; color: var(--green-dark); font: 700 24px/1.4 var(--serif); border-bottom: 1px solid var(--line); }
.side-nav a { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; color: #526056; border-bottom: 1px solid var(--line); }
.side-nav a::after { content: ""; width: 15px; height: 15px; background: url("../images/icons/arrow-right.svg") center / contain no-repeat; }
.side-nav a:hover::after, .side-nav a.active::after { filter: brightness(0) invert(1); }
.side-nav a:hover, .side-nav a.active { color: #fff; background: var(--green); }
.content-title { margin-bottom: 28px; padding-bottom: 16px; color: var(--green-dark); font: 700 32px/1.35 var(--serif); border-bottom: 1px solid var(--line); }
.prose { color: #455148; }
.intro-prose { max-width: 960px; margin-inline: auto; }
.prose p { margin-bottom: 20px; text-align: justify; text-indent: 2em; }
.prose h3 { margin: 34px 0 14px; color: var(--green-dark); font: 700 24px/1.5 var(--serif); }
.highlight-quote { margin: 28px 0; padding: 28px 32px; color: var(--green-dark); font: 600 21px/1.8 var(--serif); background: var(--green-mist); border-left: 4px solid var(--green); }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 34px 0; }
.metric { padding: 28px 20px; text-align: center; background: #fff; border: 1px solid var(--line); }
.metric strong { display: block; color: var(--green); font: 700 38px/1.2 var(--serif); }
.metric span { color: var(--muted); font-size: 14px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.search-box { position: relative; width: min(360px, 100%); }
.search-box input { width: 100%; height: 46px; padding: 0 48px 0 16px; border: 1px solid var(--line); background: #fff; outline: none; }
.search-box input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(56,125,57,.1); }
.search-box img { position: absolute; right: 15px; top: 12px; width: 21px; }
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab { padding: 8px 16px; color: var(--green-dark); background: var(--green-soft); }
.filter-tab.active, .filter-tab:hover { color: #fff; background: var(--green); }
.file-list { border-top: 2px solid var(--green); }
.file-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 20px 16px; border-bottom: 1px solid var(--line); transition: background .2s; }
.application-file-list .file-row { grid-template-columns: minmax(0, 1fr) auto; }
.application-file-list time { color: var(--muted); font-size: 14px; white-space: nowrap; }
.file-row:hover { background: var(--green-mist); }
.application-file-list .file-row:hover h3,
.application-file-list .file-row:focus-visible h3 { color: var(--green); }
.file-main { display: flex; align-items: center; gap: 16px; min-width: 0; }
.file-main > img { width: 34px; }
.file-main h3 { overflow: hidden; font-size: 16px; white-space: nowrap; text-overflow: ellipsis; }
.file-meta { color: #879087; font-size: 13px; }
.file-actions { display: flex; gap: 16px; }
.material-intro { max-width: 680px; margin: -10px auto 34px; text-align: center; }
.material-intro span { color: var(--green); font: 600 13px/1.4 Georgia, serif; letter-spacing: .22em; text-transform: uppercase; }
.material-intro p { margin-top: 8px; color: var(--muted); font-size: 16px; }
.material-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.material-card {
  position: relative;
  min-height: 286px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 34px 30px 28px;
  background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(246,251,247,.9));
  border: 1px solid rgba(56,125,57,.18);
  box-shadow: 0 10px 30px rgba(32,92,43,.045);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.material-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--green), #9ac39d); transform: scaleX(.22); transform-origin: left center; transition: transform .25s ease; }
.material-card:hover { transform: translateY(-6px); border-color: rgba(56,125,57,.42); box-shadow: 0 18px 46px rgba(32,92,43,.13); background: #fff; }
.material-card:hover::before { transform: scaleX(1); }
.material-card-index { position: absolute; top: 26px; right: 28px; color: rgba(32,92,43,.12); font: 700 38px/1 Georgia, serif; }
.material-card-icon { width: 62px; height: 62px; display: grid; place-items: center; margin-bottom: 24px; background: var(--green-soft); border: 1px solid #cfe2d1; border-radius: 20px; transform: rotate(8deg); }
.material-card-icon img { width: 32px; transform: rotate(-8deg); }
.material-card h3 { position: relative; z-index: 1; color: var(--green-dark); font: 700 22px/1.45 var(--serif); }
.material-card p { position: relative; z-index: 1; margin-top: 12px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.material-card-action { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 24px; color: var(--green); font-size: 15px; font-weight: 600; }
.material-card-action img { width: 16px; transition: transform .2s ease; }
.material-card:hover .material-card-action img { transform: translateX(5px); }
.video-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.video-item { background: #fff; border: 1px solid var(--line); }
.video-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.video-thumb > img:first-child { width: 100%; height: 100%; object-fit: cover; }
.video-thumb .play-button { width: 58px; height: 58px; }
.video-info { padding: 20px; }
.video-info h3 { color: var(--green-dark); font: 700 20px/1.45 var(--serif); }
.video-info p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.single-video { max-width: 920px; margin: 0 auto 34px; background: #0d1f12; box-shadow: var(--shadow); }
.single-video-cover { position: relative; width: 100%; display: block; padding: 0; overflow: hidden; background: #0d1f12; }
.single-video-cover > img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.single-video-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(12,26,15,.55)); pointer-events: none; }
.single-video-cover .play-button { position: absolute; inset: 50% auto auto 50%; z-index: 2; width: 74px; height: 74px; transform: translate(-50%,-50%); transition: transform .2s; }
.single-video-cover:hover .play-button { transform: translate(-50%,-50%) scale(1.08); }
.single-video-cover .play-button img { width: 100%; }
.single-video-cover .video-label { position: absolute; z-index: 2; left: 24px; bottom: 18px; color: #fff; font-size: 15px; }
.video-modal { position: fixed; inset: 0; z-index: 520; display: none; align-items: center; justify-content: center; padding: 64px 110px; background: rgba(10, 22, 13, .92); }
.video-modal.open { display: flex; }
.video-modal-body { width: min(1120px, 88vw); background: #0d1f12; box-shadow: 0 24px 70px rgba(0,0,0,.42); }
.video-modal-body video { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; }
.video-modal-close { position: absolute; top: 24px; right: 28px; width: 48px; height: 48px; display: grid; place-items: center; background: #fff; border-radius: 50%; }
.video-modal-close img { width: 25px; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a { display: grid; grid-template-columns: 96px 1fr auto; align-items: center; gap: 24px; padding: 22px 8px; }
.news-list time { color: var(--green); font-family: Georgia, serif; }
.news-list h3 { font-size: 17px; font-weight: 600; }
.news-list span { color: var(--muted); }
.unified-list { border-top: 2px solid var(--green); }
.unified-list a { min-height: 76px; }
.unified-list span { color: var(--green); white-space: nowrap; }
.image-list-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.image-list-card { overflow: hidden; background: #fff; border: 1px solid var(--line); transition: .25s ease; }
.image-list-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.image-list-card > img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.image-list-card > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; }
.image-list-card h3 { color: var(--green-dark); font-size: 18px; }
.image-list-card time { color: var(--muted); font-size: 13px; white-space: nowrap; }
.gallery-lightbox { position: fixed; inset: 0; z-index: 500; display: none; align-items: center; justify-content: center; padding: 70px 110px; background: rgba(10, 22, 13, .9); }
.gallery-lightbox.open { display: flex; }
.gallery-lightbox-figure { max-width: min(1180px, 88vw); max-height: calc(100vh - 110px); text-align: center; }
.gallery-lightbox-image { max-width: 100%; max-height: calc(100vh - 160px); margin: 0 auto; object-fit: contain; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.gallery-lightbox figcaption { margin-top: 14px; color: #fff; font-size: 18px; }
.gallery-lightbox-close { position: absolute; top: 24px; right: 28px; width: 48px; height: 48px; display: grid; place-items: center; background: #fff; border-radius: 50%; }
.gallery-lightbox-close img { width: 25px; }
.gallery-lightbox-button { position: absolute; top: 50%; width: 54px; height: 54px; display: grid; place-items: center; background: var(--green); border-radius: 50%; transform: translateY(-50%); }
.gallery-lightbox-button.prev { left: 28px; }
.gallery-lightbox-button.next { right: 28px; }
.gallery-lightbox-button img { width: 28px; }
.article-header { max-width: 860px; margin: 0 auto 30px; text-align: center; }
.article-header h1 { color: var(--green-dark); font: 700 clamp(26px,3vw,34px)/1.45 var(--serif); }
.article-meta { margin-top: 10px; color: var(--muted); font-size: 14px; }
.article-body { max-width: 860px; margin: 0 auto; }
.article-body .cover { width: 100%; margin: 0 0 30px; aspect-ratio: 16/8.5; object-fit: cover; }
.article-body p { margin-bottom: 20px; text-align: justify; text-indent: 2em; }
.article-body img { display: block; max-width: 100%; height: auto; margin: 24px auto; float: none; }
.article-body p > img:only-child { margin-inline: auto; }
.attachment-section {
  max-width: 860px;
  margin: 34px auto 0;
  padding: 18px 20px;
  background: var(--green-mist);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
}
.attachment-section h6 {
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 16px;
  font-weight: 700;
}
.attachment-section ul {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}
.attachment-section li {
  margin: 0;
}
.attachment-section a {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 46px;
  margin-top: 10px;
  padding: 10px 14px;
  color: var(--green-dark);
  line-height: 1.5;
  background: #fff;
  border: 1px solid #cfe0d0;
  transition: .2s ease;
}
.attachment-section li > a:first-child {
  margin-top: 0;
}
.attachment-section a::before {
  content: "";
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  background: url("../images/icons/download.svg") center / contain no-repeat;
}
.attachment-section a:hover {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}
.attachment-section a:hover::before {
  filter: brightness(0) invert(1);
}
.attachment-section i {
  display: none;
}
.article-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 48px; align-items: start; }
.article-sidebar { position: sticky; top: 24px; background: var(--green-mist); border-top: 3px solid var(--green); }
.article-sidebar h2 { padding: 20px 22px; color: var(--green-dark); font-size: 23px; border-bottom: 1px solid var(--line); }
.article-sidebar a { display: block; padding: 14px 22px; line-height: 1.55; border-bottom: 1px solid var(--line); transition: .2s ease; }
.article-sidebar a:hover,
.article-sidebar a.active { color: #fff; background: var(--green); }
.article-content .article-header,
.article-content .article-body { max-width: none; }

.single-video-player {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000;
}