.page-news {
  background: var(--ink-950);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-wrap: break-word;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: .01em;
}

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

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

.page-news .media-frame {
  margin: 0;
  border: var(--line);
}

.page-news .media-frame__caption {
  display: block;
  padding: 10px 14px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--steel);
}

/* ---------- 首屏 ---------- */

.page-news .news-mast {
  padding-block: clamp(26px, 4vw, 56px) clamp(36px, 5vw, 76px);
  border-bottom: var(--line);
}

.page-news .news-mast__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-news .news-mast__lead h1 {
  margin-top: 14px;
  font-size: clamp(34px, 6.4vw, 66px);
  max-width: 16em;
}

.page-news .news-mast__desc {
  margin: 20px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

.page-news .news-mast__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-news .news-mast__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-mast__no {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--signal);
  letter-spacing: .02em;
}

/* ---------- 文章流 ---------- */

.page-news .news-stream-band {
  padding-block: clamp(34px, 5vw, 72px);
  border-bottom: var(--line);
}

.page-news .news-body {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .news-index {
  border-top: 2px solid var(--signal);
  padding-top: 18px;
}

.page-news .news-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-news .news-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__item + .news-index__item {
  border-top: var(--line);
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--dur) var(--ease);
}

.page-news .news-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

.page-news .news-index__name {
  flex: 1 1 auto;
}

.page-news .news-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-news .news-index__link:hover .news-index__name,
.page-news .news-index__link:focus-visible .news-index__name {
  color: var(--signal);
}

.page-news .news-index__cta {
  margin-top: 20px;
  width: 100%;
  text-align: center;
}

.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-bottom: 16px;
  border-bottom: var(--line);
}

.page-news .news-stream__head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
}

.page-news .news-stream__head p {
  margin: 0;
  font-size: 13px;
  color: var(--steel);
}

.page-news .post-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .post-item {
  border-bottom: var(--line);
}

.page-news .post-item__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.2vw, 24px) 4px;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--dur) var(--ease);
}

.page-news .post-item__link:hover {
  background: var(--ink-900);
}

.page-news .post-item__no {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--signal);
  letter-spacing: .02em;
}

.page-news .post-item__body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-news .post-item__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .post-item__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 22px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-news .post-item__link:hover .post-item__title {
  color: var(--signal-soft);
}

.page-news .post-item__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--warm);
}

.page-news .post-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

/* ---------- 版本演进笔记 ---------- */

.page-news .vlog-band {
  padding-block: clamp(38px, 5.5vw, 84px);
  border-bottom: var(--line);
  background: var(--ink-900);
}

.page-news .vlog-head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .vlog-head h2 {
  margin-top: 12px;
  font-size: clamp(26px, 4vw, 42px);
}

.page-news .vlog-head__desc {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--warm);
}

.page-news .vlog-axis {
  display: block;
  width: 100%;
  height: auto;
  max-height: 26px;
  margin-bottom: 20px;
}

.page-news .vlog-track {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: var(--line);
}

.page-news .vlog-node {
  background: var(--ink-900);
  padding: clamp(18px, 2.6vw, 28px);
  border-top: 2px solid var(--grid-line);
}

.page-news .vlog-node:first-child {
  border-top-color: var(--signal);
}

.page-news .vlog-node__ver {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-news .vlog-node__phase {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal-soft);
}

.page-news .vlog-node__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--warm);
}

.page-news .vlog-node__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

/* ---------- 索引更新批次 ---------- */

.page-news .batch-band {
  padding-block: clamp(38px, 5.5vw, 84px);
  border-bottom: var(--line);
}

.page-news .batch-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .batch-main h2 {
  margin-top: 12px;
  font-size: clamp(26px, 4vw, 40px);
}

.page-news .batch-main__desc {
  margin: 16px 0 24px;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--warm);
}

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

.page-news .batch-row {
  display: grid;
  gap: 8px 16px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-news .batch-row__id {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  color: var(--signal);
  letter-spacing: .04em;
}

.page-news .batch-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--mist);
}

.page-news .batch-row__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--warm);
}

.page-news .batch-main__cta {
  margin-top: 26px;
}

.page-news .batch-figure {
  align-self: start;
}

/* ---------- 分类导读 ---------- */

.page-news .topic-band {
  padding-block: clamp(38px, 5.5vw, 84px);
  border-bottom: var(--line);
}

.page-news .topic-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .topic-head h2 {
  font-size: clamp(26px, 4vw, 40px);
}

.page-news .topic-head p {
  margin: 0;
  font-size: 13px;
  color: var(--steel);
}

.page-news .topic-grid {
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: var(--line);
}

.page-news .topic-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel-800);
}

.page-news .topic-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--signal);
}

.page-news .topic-card__title {
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--mist);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--warm);
}

.page-news .topic-card__for {
  margin: 0;
  padding-top: 10px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--steel);
}

.page-news .topic-card__start {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--cyan);
}

/* ---------- 订阅与推荐 ---------- */

.page-news .follow-band {
  padding-block: clamp(38px, 5.5vw, 84px) clamp(44px, 6vw, 96px);
}

.page-news .follow-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-news .follow-main h2 {
  margin-top: 12px;
  font-size: clamp(26px, 4vw, 40px);
}

.page-news .follow-paths {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-news .follow-path {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-news .follow-path__no {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--cyan);
}

.page-news .follow-path p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--warm);
}

.page-news .follow-path strong {
  color: var(--mist);
  font-weight: 700;
}

.page-news .follow-note {
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(16px, 2.4vw, 24px);
  border: var(--line);
  border-left: 3px solid var(--signal);
  background: var(--ink-900);
}

.page-news .follow-note p {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--warm);
}

.page-news .follow-figure {
  align-self: center;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-news .batch-row {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .batch-row .status {
    grid-column: 2;
    justify-self: start;
  }

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

@media (min-width: 860px) {
  .page-news .vlog-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

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

  .page-news .batch-row {
    grid-template-columns: 76px minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .batch-row .status {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-news .news-mast__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-news .batch-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-news .news-index {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .page-news .post-item__link {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .post-item__no {
    font-size: 32px;
  }
}

@media (min-width: 1180px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .post-item__link,
  .page-news .post-item__title,
  .page-news .news-index__link {
    transition: none;
  }
}