.page-news {
  --news-border-w: 6px;
  --news-shadow: 8px 8px 0 var(--shadow);
  padding-block-end: 4rem;
}

.page-news .breadcrumb {
  margin-block-start: 1.5rem;
}

.page-news .news-head {
  position: relative;
  padding-block: 3rem 1rem;
  border-bottom: 1px solid var(--border);
}

.page-news .page-kicker {
  color: var(--cyan);
  letter-spacing: 0.12em;
}

.page-news .page-kicker::before {
  content: "";
  display: inline-block;
  width: 2rem;
  height: 2px;
  background: var(--accent);
  margin-inline-end: 0.6rem;
  vertical-align: middle;
}

.page-news .page-title {
  margin: 0.75rem 0 1.25rem;
  max-width: 12em;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
}

.page-news .page-desc {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
}

.page-news .metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.page-news .metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--bg-alt);
}

.page-news .metric-label {
  color: var(--text-dim);
  font-size: var(--caption-size);
}

.page-news .metric-value {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
}

.page-news .metric-value em {
  font-style: normal;
  color: var(--accent);
}

.page-news .news-head-note {
  margin: 0.5rem 0 0;
  color: var(--text-dim);
  font-size: var(--caption-size);
}

.page-news .news-shell {
  margin-block-start: 2.5rem;
}

.page-news .news-aside {
  display: grid;
  gap: 1rem;
  margin-block-end: 1.5rem;
}

.page-news .news-aside-card {
  position: relative;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.08), transparent 34%),
    var(--bg-alt);
  padding: 1.25rem;
  box-shadow: 4px 4px 0 var(--shadow);
}

.page-news .news-aside-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--cyan) 60%, transparent);
}

.page-news .news-aside-kicker {
  color: var(--cyan);
  font-size: var(--caption-size);
  letter-spacing: 0.14em;
  margin: 0 0 1rem;
}

.page-news .news-index {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.page-news .news-index a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  padding: 0.6rem 0.5rem;
  border-left: 2px solid transparent;
}

.page-news .news-index a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
}

.page-news .news-index span {
  color: var(--cyan);
  font-weight: 800;
  font-size: var(--caption-size);
}

.page-news .news-aside-tip {
  color: var(--text-dim);
  font-size: var(--caption-size);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin: 0.5rem 0 0;
}

.page-news .news-aside-secondary {
  display: grid;
  gap: 0.6rem;
}

.page-news .news-section {
  margin-block-start: 4rem;
  scroll-margin-top: calc(var(--header-main-h) + 1rem);
}

.page-news .news-section-head {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
  padding-block-end: 0.75rem;
  margin-block-end: 1.5rem;
}

.page-news .news-section-head > div {
  min-width: 0;
}

.page-news .news-section-index {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: var(--caption-size);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.page-news .news-h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: var(--heading-lh);
}

.page-news .news-h3 {
  margin: 0.5rem 0;
  font-weight: 700;
  line-height: var(--heading-lh);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

.page-news .news-section-desc {
  margin: 0;
  color: var(--text-dim);
  max-width: 60ch;
}

.page-news .news-cover {
  margin: 0 0 1.5rem;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--news-shadow);
}

.page-news .news-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-cover figcaption {
  padding: 0.75rem 1rem;
  color: var(--text-dim);
  font-size: var(--caption-size);
  border-top: 1px solid var(--border);
}

.page-news .update-list {
  border: var(--news-border-w) solid var(--border);
  background: var(--bg-alt);
  box-shadow: var(--news-shadow);
}

.page-news .update-note {
  display: grid;
  grid-template-columns: clamp(3rem, 12vw, 5rem) minmax(0, 1fr);
  gap: 1rem 1.25rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.page-news .update-note:last-child {
  border-bottom: 0;
}

.page-news .update-num {
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--cyan);
  opacity: 0.4;
}

@supports (-webkit-text-stroke: 1px var(--cyan)) {
  .page-news .update-num {
    color: transparent;
    -webkit-text-stroke: 1px var(--cyan);
    opacity: 1;
  }
}

.page-news .update-body {
  min-width: 0;
}

.page-news .update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-block-end: 0.5rem;
}

.page-news .update-time {
  color: var(--text-dim);
  font-size: var(--caption-size);
}

.page-news details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  list-style: none;
}

.page-news details > summary::-webkit-details-marker {
  display: none;
}

.page-news details > summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
}

.page-news details[open] > summary::after {
  content: "–";
  color: var(--cyan);
}

.page-news details > summary .news-h3 {
  margin: 0;
}

.page-news details p {
  margin: 0.75rem 0 0;
  color: var(--text-dim);
  max-width: 68ch;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 1.25rem;
}

.page-news .filter-btn {
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  border-color: var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font: inherit;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.page-news .filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.page-news .topic-list {
  border: var(--news-border-w) solid var(--border);
  background: var(--bg-alt);
  box-shadow: var(--news-shadow);
}

.page-news .topic-entry {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem;
  display: grid;
  gap: 1.25rem;
}

.page-news .topic-entry:last-child {
  border-bottom: 0;
}

.page-news .topic-media {
  border: 1px solid var(--border);
  background: var(--bg);
}

.page-news .topic-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .topic-content {
  min-width: 0;
}

.page-news .topic-excerpt {
  margin: 0;
  color: var(--text-dim);
  max-width: 64ch;
}

.page-news .milestone-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-inline-start: 2px solid var(--border);
}

.page-news .milestone-item {
  position: relative;
  padding: 0 0 2.25rem 1.75rem;
}

.page-news .milestone-item:last-child {
  padding-bottom: 0;
}

.page-news .milestone-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.9rem;
  height: 0.9rem;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 2px var(--cyan), 0 0 12px rgba(0, 212, 255, 0.4);
}

.page-news .milestone-tag {
  display: inline-block;
  color: var(--cyan);
  font-size: var(--caption-size);
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  margin: 0 0 0.35rem;
}

.page-news .milestone-item p:last-child {
  color: var(--text-dim);
  margin: 0.35rem 0 0;
  max-width: 64ch;
}

.page-news .news-closing {
  display: grid;
  gap: 1rem;
  margin-block-start: 4rem;
  padding: 1.75rem;
}

.page-news .news-closing .news-h2 {
  margin: 0.35rem 0;
}

.page-news .news-closing p {
  color: var(--text-dim);
}

.page-news .news-closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .page-news .news-section-head {
    justify-content: space-between;
  }

  .page-news .topic-entry {
    padding: 1.75rem;
  }

  .page-news .topic-entry-feature {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-news .topic-entry-reverse .topic-media {
    order: 2;
  }
}

@media (min-width: 960px) {
  .page-news .news-head {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 1rem 3rem;
    align-items: end;
  }

  .page-news .page-desc {
    margin-bottom: 0;
  }

  .page-news .news-shell {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: calc(var(--header-main-h) + 2rem);
    margin-block-end: 0;
  }

  .page-news .news-closing {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-closing-links {
    justify-content: flex-end;
  }
}