.page-news {
  --news-rail: 112px;
  --tag-data-bg: rgba(180, 112, 58, 0.16);
  --tag-data-fg: #8a5324;
  --tag-app-bg: rgba(30, 58, 52, 0.10);
  --tag-app-fg: #1E3A34;
  --tag-doc-bg: rgba(226, 185, 140, 0.45);
  --tag-doc-fg: #6E4A1E;
  --tag-mob-bg: rgba(192, 57, 43, 0.12);
  --tag-mob-fg: #A62F22;
}

/* ============ 通用区块头 ============ */
.page-news .news-head {
  max-width: 44rem;
  margin: 0 0 36px;
}

.page-news .news-head__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 12px 0 12px;
}

.page-news .news-head__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-news .ds-section,
.page-news .news-timeline,
.page-news .news-hero {
  scroll-margin-top: 96px;
}

/* ============ 面包屑 ============ */
.page-news .news-crumb {
  padding-top: 104px;
}

.page-news .ds-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .ds-breadcrumb li + li::before {
  content: "/";
  margin-right: 4px;
  color: var(--copper-soft);
}

.page-news .ds-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .ds-breadcrumb a:hover {
  color: var(--copper);
  border-bottom-color: var(--copper-soft);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  padding: 14px 0 52px;
}

.page-news .news-hero__inner {
  display: grid;
  gap: 32px;
}

.page-news .news-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 16px 0 20px;
}

.page-news .news-hero__lede {
  margin: 0 0 28px;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 34em;
}

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

.page-news .news-hero__aside {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  padding: 20px 22px 22px;
}

.page-news .news-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-news .news-hero__meta {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-hero__meta > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .news-hero__meta dt {
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-hero__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-news .news-hero__aside-note {
  margin: 16px 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ============ 01 更新总览 ============ */
.page-news .news-overview__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-overview__stats {
  display: grid;
  gap: 14px;
}

.page-news .news-stat {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px 20px 20px 24px;
  overflow: hidden;
}

.page-news .news-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--copper);
}

.page-news .news-stat__num {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1.05;
  color: var(--ink);
}

.page-news .news-stat__num em {
  font-style: normal;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-news .news-stat__label {
  margin: 10px 0 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.page-news .news-stat__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-overview__media {
  margin: 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--card);
}

.page-news .news-overview__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-overview__foot {
  margin: 32px 0 0;
  padding: 16px 20px;
  background: var(--note);
  border-radius: var(--radius-card);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text);
}

/* ============ 02 这一期改了什么 ============ */
.page-news .news-this__media {
  margin: 0 0 36px;
  max-width: 760px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-this__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

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

.page-news .news-bullet {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 18px 18px 20px;
  transition: border-color 220ms var(--ease);
}

.page-news .news-bullet:hover {
  border-color: var(--copper-soft);
}

.page-news .news-bullet__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-news .news-bullet__tag,
.page-news .news-issue__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 9px;
}

.page-news .news-bullet__tag--data,
.page-news .news-issue__tag--data {
  background: var(--tag-data-bg);
  color: var(--tag-data-fg);
}

.page-news .news-bullet__tag--app,
.page-news .news-issue__tag--app {
  background: var(--tag-app-bg);
  color: var(--tag-app-fg);
}

.page-news .news-bullet__tag--doc,
.page-news .news-issue__tag--doc {
  background: var(--tag-doc-bg);
  color: var(--tag-doc-fg);
}

.page-news .news-bullet__tag--mobile,
.page-news .news-issue__tag--mobile {
  background: var(--tag-mob-bg);
  color: var(--tag-mob-fg);
}

.page-news .news-bullet__title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-news .news-bullet__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text);
}

/* ============ 03 主题线 ============ */
.page-news .news-themes__inner {
  display: grid;
  gap: 28px;
}

.page-news .news-themes__grid {
  display: grid;
  gap: 14px;
}

.page-news .news-theme {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 18px 18px 20px;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease),
    color 200ms var(--ease);
}

.page-news .news-theme:hover {
  border-color: var(--copper-soft);
}

.page-news .news-theme:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-news .news-theme[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .news-theme__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 10px;
}

.page-news .news-theme[aria-pressed="true"] .news-theme__no {
  color: var(--copper-soft);
}

.page-news .news-theme__name {
  display: block;
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-news .news-theme[aria-pressed="true"] .news-theme__name {
  color: var(--paper);
}

.page-news .news-theme__desc {
  display: block;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-theme[aria-pressed="true"] .news-theme__desc {
  color: rgba(247, 242, 231, 0.74);
}

.page-news .news-themes__media {
  margin: 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-themes__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ============ 04 时间轴 ============ */
.page-news .news-timeline {
  position: relative;
  padding-left: 28px;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--ink-deep);
  opacity: 0.42;
}

.page-news .news-issue {
  position: relative;
  padding-bottom: 26px;
}

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

.page-news .news-issue__dot {
  position: absolute;
  left: -28px;
  top: 18px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--copper);
  transition: background-color 260ms var(--ease);
}

.page-news .news-issue.is-lit .news-issue__dot {
  background: var(--copper);
}

.page-news .news-issue__rail {
  position: relative;
  margin-bottom: 10px;
}

.page-news .news-issue__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-news .news-issue__card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 18px 18px 16px;
  transition: border-color 220ms var(--ease);
}

.page-news .news-issue__card:hover {
  border-color: var(--copper-soft);
}

.page-news .news-issue__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.page-news .news-issue__top .news-issue__tag {
  margin-bottom: 0;
}

.page-news .news-issue__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .news-issue__title {
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink);
  margin: 12px 0 8px;
}

.page-news .news-issue__lede {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-issue .ds-fold {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.page-news .news-issue__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-issue__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9375rem;
  line-height: 1.76;
  color: var(--text);
}

.page-news .news-issue__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 2px;
  background: var(--copper);
}

.page-news .news-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(18, 36, 32, 0.22);
  transition: background-color 200ms var(--ease);
}

.page-news .news-top:hover,
.page-news .news-top:focus-visible {
  background: var(--cinnabar);
}

/* ============ 05 版本节奏 ============ */
.page-news .news-versions__grid {
  display: grid;
  gap: 16px;
}

.page-news .news-version {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 24px 22px 26px;
}

.page-news .news-version--merge {
  background: var(--ink);
  border-color: var(--ink);
}

.page-news .news-version__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-news .news-version--merge .news-version__kicker {
  color: var(--copper-soft);
}

.page-news .news-version__title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.38;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-news .news-version--merge .news-version__title {
  color: var(--paper);
}

.page-news .news-version__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(247, 242, 231, 0.84);
}

.page-news .news-version__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .news-version__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text);
}

.page-news .news-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 2px;
  background: var(--copper);
}

.page-news .news-versions__media {
  margin: 32px 0 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-versions__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-versions__media .ds-media__caption {
  padding: 12px 16px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
  background: var(--card);
}

/* ============ 06 怎么不错过 ============ */
.page-news .news-follow__grid {
  display: grid;
  gap: 16px;
}

.page-news .news-follow__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 22px 20px 24px;
}

.page-news .news-follow__card--accent {
  background: var(--note);
  border-color: var(--copper-soft);
}

.page-news .news-follow__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-news .news-follow__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .news-follow__card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-follow__card .ds-btn {
  margin-top: 6px;
}

.page-news .news-follow__foot {
  margin: 30px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-follow__foot a {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-soft);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .news-bullets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

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

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

@media (min-width: 900px) {
  .page-news .news-crumb {
    padding-top: 120px;
  }

  .page-news .news-hero {
    padding: 20px 0 76px;
  }

  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-hero__aside {
    margin-top: 48px;
  }

  .page-news .news-overview__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
    align-items: stretch;
  }

  .page-news .news-overview__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 280px;
  }

  .page-news .news-themes__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-themes__media img {
    max-height: 560px;
  }

  .page-news .news-follow__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
  }

  /* 时间轴：左侧窄栏固定期号与节点，右侧宽栏放条目卡 */
  .page-news .news-timeline {
    padding-left: 0;
  }

  .page-news .news-timeline::before {
    left: 5px;
    top: 18px;
    bottom: 18px;
  }

  .page-news .news-issue {
    display: grid;
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 32px;
    padding-bottom: 30px;
  }

  .page-news .news-issue__rail {
    padding: 16px 0 0 28px;
    margin-bottom: 0;
  }

  .page-news .news-issue__dot {
    left: 0;
    top: 22px;
  }

  .page-news .news-issue__card {
    padding: 22px 24px 20px;
  }
}

@media (min-width: 1120px) {
  .page-news .news-hero__inner {
    gap: 72px;
  }

  .page-news .news-bullets {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-issue__dot,
  .page-news .news-bullet,
  .page-news .news-theme,
  .page-news .news-top,
  .page-news .news-issue__card {
    transition: none;
  }
}