.page-news {
  --news-gap: clamp(20px, 3vw, 40px);
  --news-rule: 1px solid var(--line);
  color: var(--paper);
}

.page-news .breadcrumbs {
  padding: 18px 0 6px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-news .breadcrumbs a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

/* ---------- hero ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(53, 242, 214, 0.12), transparent 58%),
    linear-gradient(180deg, var(--ink-1), var(--ink-0) 78%);
  border-bottom: var(--news-rule);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -60px;
  width: 320px;
  height: 320px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

.page-news .news-hero__inner {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-hero__title {
  margin: 10px 0 18px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-hero__title::first-line {
  color: var(--paper);
}

.page-news .news-hero__text {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0;
  background: var(--line);
  border: var(--news-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-stat {
  padding: 16px 16px 18px;
  background: var(--panel);
}

.page-news .news-stat__label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-news .news-stat__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 600;
  color: var(--cyan);
}

.page-news .news-stat--alert .news-stat__value {
  color: var(--orange);
}

/* ---------- section head ---------- */
.page-news .section {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-news .section-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .section-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 4px;
}

.page-news .section-title {
  margin: 14px 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.24;
  color: var(--paper);
}

.page-news .news-index__intro,
.page-news .news-feature__intro,
.page-news .news-subscribe__intro,
.page-news .news-versions__intro {
  max-width: 66ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- index / feed ---------- */
.page-news .news-index {
  background: linear-gradient(180deg, var(--ink-0), var(--ink-1));
}

.page-news .news-index__body {
  display: grid;
  gap: var(--news-gap);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-news .filter-bar .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.2;
  color: var(--cyan-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-news .filter-bar .chip:hover,
.page-news .filter-bar .chip:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-news .filter-bar .chip[aria-pressed="true"] {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--orange);
}

.page-news .filter-bar__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  opacity: 0.78;
}

.page-news .feed {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .feed__item {
  border-bottom: var(--news-rule);
  transition: background 200ms var(--ease);
}

.page-news .feed__item:hover {
  background: var(--ink-1);
}

.page-news .feed__details {
  display: block;
}

.page-news .feed__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 12px;
  padding: 14px 4px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  list-style: none;
}

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

.page-news .feed__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 600;
  text-align: right;
  color: var(--muted);
  padding-top: 2px;
}

.page-news .feed__item:hover .feed__no {
  color: var(--cyan);
}

.page-news .feed__main {
  display: block;
  min-width: 0;
}

.page-news .feed__main .tag {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: var(--pool);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-news .feed__title {
  display: block;
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .feed__meta {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .feed__state {
  color: var(--orange);
  font-style: normal;
}

.page-news .feed__state--done {
  color: var(--cyan-soft);
}

.page-news .feed__arrow {
  color: var(--muted);
  font-size: 15px;
  transition: transform 200ms var(--ease), color 200ms var(--ease);
}

.page-news .feed__item:hover .feed__arrow,
.page-news .feed__item:focus-within .feed__arrow {
  transform: translateX(4px);
  color: var(--cyan);
}

.page-news .feed__body {
  padding: 0 4px 18px 58px;
  max-width: 72ch;
}

.page-news .feed__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .feed__body p:last-child {
  margin-bottom: 0;
}

.page-news .news-index__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-index__note {
  padding: 18px;
  background: var(--panel);
  border: var(--news-rule);
  border-radius: var(--radius-organic);
}

.page-news .news-index__note-title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-news .news-index__note p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- feature ---------- */
.page-news .news-feature {
  background: var(--ink-0);
  border-top: var(--news-rule);
}

.page-news .feature-card {
  display: grid;
  gap: 0;
  background: var(--panel);
  border: var(--news-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .feature-card__visual {
  position: relative;
  background: var(--ink-1);
}

.page-news .feature-card__frame {
  margin: 0;
  border: 0;
  border-radius: 0;
}

.page-news .feature-card__issue {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-0);
  background: var(--cyan);
  border-radius: 4px;
}

.page-news .feature-card__body {
  padding: clamp(20px, 3vw, 34px);
}

.page-news .feature-card__title {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .feature-card__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .feature-card__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--news-rule);
  border-radius: 8px;
  overflow: hidden;
}

.page-news .feature-card__meta li {
  padding: 10px 12px;
  background: var(--ink-1);
}

.page-news .feature-card__meta strong {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  color: var(--orange);
}

.page-news .feature-card__meta span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .feature-card__detail {
  border-top: var(--news-rule);
  padding-top: 14px;
  margin-bottom: 20px;
}

.page-news .feature-card__detail summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--cyan);
  list-style: none;
}

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

.page-news .feature-card__detail summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-news .feature-card__detail[open] summary::before {
  content: "－ ";
}

.page-news .feature-card__detail-body {
  padding-top: 14px;
}

.page-news .feature-dims {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news .feature-dims dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-soft);
}

.page-news .feature-dims dd {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .feature-card__hint {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.page-news .feature-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- subscribe articles ---------- */
.page-news .news-subscribe {
  background: linear-gradient(180deg, var(--ink-1), var(--ink-0));
  border-top: var(--news-rule);
}

.page-news .article-grid {
  display: grid;
  gap: 16px;
}

.page-news .article-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--panel);
  border: var(--news-rule);
  border-radius: var(--radius-organic);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .article-card:hover {
  border-color: var(--cyan);
}

.page-news .article-card__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .article-card__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .article-card__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .article-card__link {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-top: var(--news-rule);
}

.page-news .article-card__link:hover,
.page-news .article-card__link:focus-visible {
  color: var(--cyan-soft);
}

/* ---------- versions ---------- */
.page-news .news-versions {
  background: var(--ink-0);
  border-top: var(--news-rule);
}

.page-news .news-versions__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-news .vtrack {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .vtrack__item {
  position: relative;
  padding: 0 0 26px 18px;
}

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

.page-news .vtrack__node {
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ink-0);
  border: 2px solid var(--cyan);
  transition: background 200ms var(--ease);
}

.page-news .vtrack__item:hover .vtrack__node {
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .vtrack__ver {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .vtrack__title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--paper);
}

.page-news .vtrack__text {
  margin: 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- return / follow ---------- */
.page-news .news-return {
  background:
    radial-gradient(90% 80% at 92% 10%, rgba(255, 122, 47, 0.12), transparent 60%),
    var(--ink-1);
  border-top: var(--news-rule);
}

.page-news .news-return__inner {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-return__text {
  max-width: 60ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-return__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-return__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-return__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .news-return__list li {
  padding: 10px 0 10px 18px;
  position: relative;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: var(--news-rule);
}

.page-news .news-return__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- media frame tweaks ---------- */
.page-news .media-frame {
  margin: 0;
  overflow: hidden;
  background: var(--ink-1);
  border: var(--news-rule);
  border-radius: var(--radius);
}

.page-news .media-frame__img,
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-frame__caption {
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: var(--news-rule);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .feed__row {
    grid-template-columns: 64px minmax(0, 1fr) 24px;
    gap: 16px;
    padding: 16px 6px;
  }

  .page-news .feed__body {
    padding-left: 86px;
  }

  .page-news .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .feature-card__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .news-index__body {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-news .feature-card {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: stretch;
  }

  .page-news .feature-card__frame {
    height: 100%;
  }

  .page-news .feature-card__frame img {
    height: 100%;
  }

  .page-news .article-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-return__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed__arrow,
  .page-news .feed__item,
  .page-news .article-card,
  .page-news .vtrack__node,
  .page-news .filter-bar .chip {
    transition: opacity 160ms linear;
  }

  .page-news .feed__item:hover .feed__arrow,
  .page-news .feed__item:focus-within .feed__arrow {
    transform: none;
  }
}
</main>