.page-news {
  --news-gap: clamp(1.25rem, 3vw, 2.25rem);
  --news-code-col: 4.25rem;
}

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

.page-news .section-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-news .section-head .lede,
.page-news .zone-head .lede,
.page-news .meet-grid__text .lede {
  max-width: 46ch;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-top: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--news-gap);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-news .news-hero__intro .eyebrow {
  margin-bottom: .75rem;
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem 1rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--gold);
}

.page-news .news-hero__fact dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--ink-soft);
  margin-bottom: .3rem;
}

.page-news .news-hero__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  letter-spacing: .02em;
  color: var(--indigo);
}

.page-news .news-hero__media {
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 展区索引 ---------- */

.page-news .zone-head {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.page-news .zone-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line);
}

.page-news .zone-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: .85rem;
  line-height: 1.3;
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease),
    border-color .16s var(--ease);
}

.page-news .zone-chip__code {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .zone-chip:hover {
  border-color: var(--cinnabar);
}

.page-news .zone-chip[aria-pressed="true"] {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--rice);
}

.page-news .zone-chip[aria-pressed="true"] .zone-chip__code {
  color: var(--gold-pale);
}

/* ---------- 条目列表 ---------- */

.page-news .zone-entries {
  margin-top: clamp(2rem, 4vw, 3.25rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--gold);
}

.page-news .zone-entries__head {
  margin-bottom: 1.25rem;
}

.page-news .zone-entries__head .display-3 {
  margin-top: .5rem;
}

.page-news .zone-entries__note {
  margin: .6rem 0 0;
  font-size: .9rem;
  color: var(--ink-soft);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(3.1rem, var(--news-code-col)) minmax(0, 1fr);
  gap: .35rem 1rem;
  padding: 1rem .25rem;
  border-bottom: 1px solid var(--line);
  transition: background-color .16s var(--ease);
}

.page-news .news-item:hover {
  background: var(--indigo-pale);
}

.page-news .news-item__code {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--cinnabar);
  padding-top: .15rem;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: .35rem;
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  color: var(--ink-soft);
}

.page-news .news-item__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-item__link {
  display: inline-block;
  margin-top: .5rem;
  font-size: .82rem;
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-news .news-item__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-news [data-filter-hidden="true"] {
  display: none;
}

/* ---------- 主题观察 ---------- */

.page-news .observe-section {
  background: var(--rice);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .feature-row {
  display: grid;
  gap: var(--news-gap);
  align-items: center;
}

.page-news .feature-row + .feature-row {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .feature-row__media {
  overflow: hidden;
}

.page-news .feature-row__text .eyebrow {
  margin-bottom: .5rem;
}

.page-news .feature-row__text .display-3 {
  margin-bottom: .85rem;
}

.page-news .feature-row__text p {
  margin: 0 0 .85rem;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 40ch;
}

.page-news .feature-row__link {
  margin-top: .35rem;
}

.page-news .feature-row__link a {
  font-size: .85rem;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-news .feature-row__link a:hover {
  color: var(--cinnabar);
}

@media (min-width: 880px) {
  .page-news .feature-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-news .feature-row--flip .feature-row__media {
    order: 2;
  }
}

/* ---------- 专题系列 ---------- */

.page-news .series-section {
  background: var(--paper);
}

.page-news .series-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(15rem, 82%);
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: .75rem;
  -webkit-overflow-scrolling: touch;
}

.page-news .series-card {
  scroll-snap-align: start;
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
  border: 1px solid var(--line);
  background: var(--rice);
  display: flex;
  flex-direction: column;
}

.page-news .series-card__code {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold);
  margin: 0 0 .75rem;
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.55rem);
  color: var(--indigo);
  letter-spacing: .01em;
}

.page-news .series-card__cadence {
  margin: .4rem 0 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--cinnabar);
}

.page-news .series-card__text {
  margin: 0 0 .85rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .series-card__who {
  margin: auto 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
  font-size: .82rem;
  line-height: 1.65;
  color: var(--celadon);
}

@media (min-width: 800px) {
  .page-news .series-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }
}

/* ---------- 说明会与节奏 ---------- */

.page-news .meet-section {
  border-top: 1px solid var(--gold);
}

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

.page-news .meet-grid__text .eyebrow {
  margin-bottom: .5rem;
}

.page-news .meet-grid__text .display-2 {
  margin-bottom: .85rem;
}

.page-news .fold-stack {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

.page-news .fold {
  border-bottom: 1px solid var(--line);
}

.page-news .fold__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 0;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  color: var(--ink);
}

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

.page-news .fold__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--gold);
}

.page-news .fold[open] .fold__summary::after {
  content: "−";
}

.page-news .fold__summary:hover {
  color: var(--cinnabar-deep);
}

.page-news .fold__body {
  padding: 0 0 1.1rem;
}

.page-news .fold__body p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 46ch;
}

.page-news .meet-grid__media {
  overflow: hidden;
}

@media (min-width: 940px) {
  .page-news .meet-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 结尾行动 ---------- */

.page-news .news-cta__inner {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: var(--indigo);
  color: var(--rice);
  border-radius: var(--radius);
}

.page-news .news-cta__text .eyebrow {
  color: var(--gold-pale);
  margin-bottom: .6rem;
}

.page-news .news-cta__text .display-3 {
  color: var(--rice);
  margin-bottom: .75rem;
}

.page-news .news-cta__text p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .82);
  max-width: 46ch;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: flex-start;
}

.page-news .news-cta__actions .btn--ghost {
  border-color: rgba(246, 241, 231, .5);
  color: var(--rice);
}

.page-news .news-cta__actions .btn--ghost:hover {
  border-color: var(--gold-pale);
  color: var(--gold-pale);
}

@media (min-width: 820px) {
  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

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

/* ---------- 窄屏微调 ---------- */

@media (max-width: 520px) {
  .page-news {
    --news-code-col: 3.4rem;
  }

  .page-news .news-item {
    grid-template-columns: minmax(0, 1fr);
    gap: .35rem;
  }

  .page-news .news-item__code {
    padding-top: 0;
  }

  .page-news .zone-bar {
    gap: .4rem;
  }

  .page-news .zone-chip {
    padding: .45rem .7rem;
    font-size: .8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .zone-chip,
  .page-news .series-card {
    transition: none;
  }
}