.page-news {
  display: block;
  padding-bottom: 64px;
}

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

.page-news h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.25;
}

.page-news h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  margin: 0 0 6px;
  line-height: 1.4;
}

.page-news p {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-news a {
  color: var(--electric);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 18px 0 34px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 24px;
}

.page-news .news-hero__text .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--mute);
  margin: 0 0 14px;
}

.page-news .news-hero__text h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-news .news-hero__text .lede {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink);
  max-width: 56ch;
  margin: 0 0 22px;
}

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

.page-news .news-hero__panel {
  background: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 24px 22px 22px;
  color: var(--paper);
}

.page-news .news-hero__panel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--sand);
  margin: 0 0 10px;
}

.page-news .news-hero__version {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 11vw, 3.6rem);
  line-height: 1;
  color: var(--gold);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.page-news .news-hero__panel-note {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 20px;
}

.page-news .news-copy {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--sand);
  border: 2px solid var(--gold);
  padding: 9px 18px;
  cursor: pointer;
  transition: transform 160ms var(--ease), background 160ms var(--ease);
}

.page-news .news-copy:hover {
  background: var(--gold);
  transform: translate(-2px, -2px);
}

.page-news .news-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 版本号说明 ---------- */
.page-news .news-read {
  padding: 34px 0 38px;
}

.page-news .news-read__grid {
  display: grid;
  gap: 26px;
}

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

.page-news .news-figure {
  margin: 0;
}

.page-news .news-figure .media {
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-soft);
  background: var(--mist);
  overflow: hidden;
}

.page-news .news-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mute);
  margin-top: 10px;
}

/* ---------- 2.3 更新 ---------- */
.page-news .news-update {
  padding: 34px 0 38px;
}

.page-news .news-update__head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-news .news-update__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-steps li {
  border: 2px solid var(--line);
  border-left: 6px solid var(--ink);
  background: var(--paper);
  padding: 18px 18px 14px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-news .news-steps li:hover {
  transform: translate(-4px, 0);
  box-shadow: var(--shadow-soft);
}

.page-news .news-steps__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--cinnabar);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.page-news .news-steps li p {
  margin: 0;
  font-size: 1rem;
}

/* ---------- 版本时间线 ---------- */
.page-news .news-timeline {
  padding: 34px 0 38px;
}

.page-news .news-timeline__head {
  max-width: 62ch;
  margin-bottom: 24px;
}

.page-news .news-timeline__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 14px;
}

.page-news .tt-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 78%);
  gap: 16px;
  scroll-snap-type: x mandatory;
}

.page-news .tt-card {
  scroll-snap-align: start;
  border: 2px solid var(--ink);
  background: var(--mist);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .tt-card--sand {
  background: var(--sand);
}

.page-news .tt-card--now {
  background: var(--ink);
  color: var(--paper);
}

.page-news .tt-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-news .tt-card__ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-news .tt-card--now .tt-card__ver {
  color: var(--gold);
}

.page-news .tt-card__when {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin: 0 0 12px;
}

.page-news .tt-card--now .tt-card__when {
  color: var(--sand);
}

.page-news .tt-card h3 {
  margin-bottom: 8px;
}

.page-news .tt-card--now h3 {
  color: var(--paper);
}

.page-news .tt-card p:last-child {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-news .tt-card--now p:last-child {
  color: var(--mist);
}

.page-news .news-figure--wide {
  margin-top: 26px;
}

/* ---------- 栏目与节奏 ---------- */
.page-news .news-rail {
  padding: 34px 0 38px;
}

.page-news .news-rail__head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-news .news-rail__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-bands {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-band {
  border: 2px solid var(--ink);
  border-top-width: 6px;
  padding: 16px 18px 14px;
  background: var(--paper);
}

.page-news .news-band--dense {
  border-top-color: var(--ink);
  background: var(--mist);
}

.page-news .news-band--sparse {
  border-top-color: var(--gold);
}

.page-news .news-band__freq {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  margin-bottom: 6px;
}

.page-news .news-band p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ---------- 近期条目 ---------- */
.page-news .news-list {
  padding: 34px 0 38px;
}

.page-news .news-list__head {
  max-width: 62ch;
  margin-bottom: 22px;
}

.page-news .news-list__items {
  display: grid;
  gap: 10px;
}

.page-news .news-item {
  border: 2px solid var(--line);
  background: var(--paper);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-item:hover {
  transform: translateX(4px);
  border-color: var(--ink);
}

.page-news .news-item__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "tag when"
    "title title";
  align-items: center;
  gap: 6px 12px;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
}

.page-news .news-tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--sand);
  border: 1px solid var(--gold);
  padding: 3px 9px;
  white-space: nowrap;
}

.page-news .news-tag--sand {
  background: var(--mist);
  border-color: var(--line);
}

.page-news .news-tag--plain {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.page-news .news-when {
  grid-area: when;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mute);
}

.page-news .news-item__title {
  grid-area: title;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-item .panel__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}

.page-news .news-item .panel__body p {
  margin: 12px 0 0;
  font-size: 0.9375rem;
}

/* ---------- 专题合集 ---------- */
.page-news .news-topics {
  padding: 34px 0 38px;
}

.page-news .news-topics__head {
  max-width: 62ch;
  margin-bottom: 24px;
}

.page-news .news-topics__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-topic {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 18px 18px 16px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-news .news-topic--sand {
  background: var(--sand);
}

.page-news .news-topic:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-soft);
}

.page-news .news-topic__range {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 2px 8px;
  margin-bottom: 10px;
}

.page-news .news-topic p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  background: var(--ink);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: 34px 0;
}

.page-news .news-next__grid {
  display: grid;
  gap: 22px;
}

.page-news .news-next__text h2 {
  color: var(--paper);
  margin-bottom: 12px;
}

.page-news .news-next__text p {
  color: var(--mist);
  margin: 0;
  max-width: 58ch;
}

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

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-item__head {
    grid-template-columns: auto auto 1fr;
    grid-template-areas: "tag when title";
    gap: 10px 14px;
  }
}

@media (min-width: 960px) {
  .page-news {
    padding-bottom: 80px;
  }

  .page-news .news-hero {
    padding-top: 26px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 40px;
  }

  .page-news .news-read__grid {
    grid-template-columns: 6fr 6fr;
    align-items: start;
    gap: 40px;
  }

  .page-news .news-update__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 40px;
  }

  .page-news .news-rail__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 40px;
  }

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

  .page-news .news-next__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }

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

  .page-news .tt-track {
    grid-auto-columns: 292px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-copy,
  .page-news .news-steps li,
  .page-news .tt-card,
  .page-news .news-item,
  .page-news .news-topic {
    transition: none;
  }

  .page-news .news-copy:hover,
  .page-news .news-steps li:hover,
  .page-news .tt-card:hover,
  .page-news .news-item:hover,
  .page-news .news-topic:hover {
    transform: none;
  }
}