.page-news {
  --news-rail-w: 160px;
  background: var(--ink-900);
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-news * {
  min-width: 0;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
}

.page-news .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

.page-news a {
  color: inherit;
}

.page-news .breadcrumbs {
  padding: 20px 0 4px;
  font-size: 13px;
}

.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--slate-400);
}

.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-600);
}

.page-news .breadcrumbs__link {
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .breadcrumbs__link:hover,
.page-news .breadcrumbs__link:focus-visible {
  color: var(--gold-200);
  border-bottom-color: var(--gold-400);
}

.page-news .breadcrumbs__current {
  color: var(--paper-200);
}

/* 首屏分屏 */
.page-news .news-hero {
  display: grid;
  gap: 36px;
  padding: 24px 0 48px;
}

.page-news .news-hero__copy .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin: 0 0 14px;
}

.page-news .news-hero h1 {
  font-size: clamp(38px, 12vw, 68px);
  color: var(--paper-100);
}

.page-news .news-hero .lede {
  font-size: 17px;
  color: var(--paper-200);
  margin: 20px 0 0;
  max-width: 46em;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__hint {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--slate-400);
  border-left: 3px solid var(--gold-400);
  padding-left: 10px;
}

.page-news .news-hero__board {
  position: relative;
}

.page-news .board-card {
  position: relative;
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-hard);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.92), 8px 8px 0 rgba(51, 80, 122, 0.32);
  padding: 24px 22px 20px;
}

.page-news .board-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 24px 24px 0;
  border-color: transparent var(--ink-900) transparent transparent;
}

.page-news .board-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(20, 26, 38, 0.25);
  font-size: 13px;
  color: rgba(20, 26, 38, 0.72);
}

.page-news .board-card__head .mono {
  font-size: 26px;
  color: var(--celadon-700);
}

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

.page-news .board-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
}

.page-news .board-list__num {
  flex: 0 0 auto;
  min-width: 3.6em;
  font-size: 22px;
  color: var(--clay-500);
}

/* 横向分类带 */
.page-news .news-filters {
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}

.page-news .news-filters::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(192, 101, 63, 0.14) 0 2px,
    transparent 2px 7px
  );
  pointer-events: none;
}

.page-news .news-filters__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 14px;
  padding-bottom: 14px;
  position: relative;
  scrollbar-width: thin;
}

.page-news .news-filters__link {
  flex: 0 0 auto;
  display: inline-block;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--paper-200);
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-600);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-filters__link:hover,
.page-news .news-filters__link:focus-visible {
  border-color: var(--gold-400);
  transform: translateY(-2px);
  background: var(--paper-200);
}

.page-news .news-filters__link:focus-visible {
  outline: 2px solid var(--gold-200);
  outline-offset: 2px;
}

/* 通用章节 */
.page-news .news-section {
  padding: 56px 0 8px;
}

.page-news .section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .section-index {
  font-size: 13px;
  color: var(--gold-400);
  margin: 0;
}

.page-news .section-title h2 {
  font-size: clamp(26px, 6vw, 40px);
  color: var(--paper-100);
}

.page-news .news-section__lede {
  font-size: 16px;
  color: var(--slate-400);
  margin: 0 0 26px;
  max-width: 52em;
}

/* 本期概览 */
.page-news .news-brief {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.page-news .brief-card {
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-hard);
  border-left: 4px solid var(--celadon-700);
  padding: 20px 18px;
  box-shadow: 3px 3px 0 rgba(11, 18, 32, 0.85);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-news .brief-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--gold-400);
  box-shadow: 3px 5px 0 rgba(11, 18, 32, 0.95);
}

.page-news .brief-card__tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon-700);
  margin: 0 0 8px;
}

.page-news .brief-card h3 {
  font-size: 21px;
  margin-bottom: 8px;
}

.page-news .brief-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* 图片框 */
.page-news .media-frame {
  margin: 0;
  border: 1px solid var(--line-600);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .media-frame img {
  width: 100%;
  object-fit: cover;
  filter: brightness(0.62) contrast(1.05);
}

.page-news .media-frame--wide img {
  aspect-ratio: 16 / 7.5;
}

.page-news .media-frame--tall img {
  aspect-ratio: 8 / 5;
}

.page-news .media-frame--topic img {
  aspect-ratio: 3 / 2;
}

.page-news .media-frame__caption {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  background: var(--ink-800);
}

/* 版本条目列表 */
.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .log-item {
  display: grid;
  gap: 10px;
  padding: 20px 0 20px 18px;
  border-left: 2px solid var(--line-600);
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .log-item + .log-item {
  border-top: 1px solid rgba(51, 80, 122, 0.35);
}

.page-news .log-item:hover {
  border-left-color: var(--gold-400);
  background: rgba(18, 28, 46, 0.7);
}

.page-news .log-item__scale {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.page-news .log-item__ver {
  font-size: 20px;
  color: var(--gold-400);
  transition: color var(--dur) var(--ease);
}

.page-news .log-item:hover .log-item__ver {
  color: var(--gold-200);
}

.page-news .log-item__when {
  font-size: 12px;
  color: var(--slate-400);
}

.page-news .log-item__body h3 {
  font-size: 22px;
  color: var(--paper-100);
  margin-bottom: 8px;
}

.page-news .log-item__body p {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--paper-200);
  max-width: 46em;
}

.page-news .log-item__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--celadon-400);
  border-left: 3px solid var(--celadon-400);
  padding-left: 8px;
}

/* 引文带 */
.page-news .news-quote {
  margin: 56px 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}

.page-news .news-quote::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 10px;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(192, 101, 63, 0.5) 0 2px,
    rgba(11, 18, 32, 0) 2px 6px
  );
  opacity: 0.7;
}

.page-news .news-quote .shell {
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-news .news-quote__text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 7vw, 54px);
  line-height: 1.12;
  color: var(--gold-200);
  margin: 0;
  max-width: 22em;
}

.page-news .news-quote__sub {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--slate-400);
}

/* 文档与对照表 */
.page-news .docs-split {
  display: grid;
  gap: 24px;
}

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

.page-news .doc-item {
  background: var(--ink-700);
  border: 1px solid var(--line-600);
  border-top: 3px solid var(--gold-400);
  padding: 16px 16px 14px;
  transition: transform var(--dur) var(--ease), border-top-color var(--dur) var(--ease);
}

.page-news .doc-item:hover {
  transform: translateY(-2px);
  border-top-color: var(--celadon-400);
}

.page-news .doc-item__tag {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
  margin: 0 0 6px;
}

.page-news .doc-item h3 {
  font-size: 19px;
  color: var(--paper-100);
  margin-bottom: 6px;
}

.page-news .doc-item p {
  margin: 0;
  font-size: 14.5px;
  color: var(--paper-200);
}

/* 操作专题 */
.page-news .media-frame--topic {
  margin-bottom: 22px;
}

.page-news .topic-groups {
  display: grid;
  gap: 12px;
}

.page-news .topic-group {
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-hard);
  box-shadow: 3px 3px 0 rgba(11, 18, 32, 0.85);
}

.page-news .topic-group__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  padding: 16px 16px;
  font-family: var(--font-display);
  font-size: 21px;
  list-style: none;
}

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

.page-news .topic-group__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--celadon-700);
  margin-left: 8px;
}

.page-news .topic-group[open] .topic-group__summary::after {
  content: "–";
}

.page-news .topic-group__summary:focus-visible {
  outline: 2px solid var(--celadon-700);
  outline-offset: -3px;
}

.page-news .topic-group__count {
  font-size: 12px;
  color: var(--clay-500);
  border: 1px solid var(--clay-500);
  padding: 2px 8px;
  margin-left: auto;
}

.page-news .topic-group .disclosure__body {
  padding: 0 16px 18px;
  border-top: 1px solid rgba(20, 26, 38, 0.2);
}

.page-news .topic-group__intro {
  margin: 14px 0 12px;
  font-size: 15px;
  line-height: 1.8;
}

.page-news .topic-steps {
  margin: 0 0 14px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-news .topic-steps strong {
  color: var(--celadon-700);
}

.page-news .topic-group__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--paper-ink);
  border-bottom: 2px solid var(--gold-400);
  padding-bottom: 2px;
}

.page-news .topic-group__link:hover,
.page-news .topic-group__link:focus-visible {
  color: var(--celadon-700);
  border-bottom-color: var(--celadon-700);
}

/* 服务公告 */
.page-news .service-grid {
  display: grid;
  gap: 14px;
}

.page-news .service-card {
  background: var(--ink-800);
  border: 1px solid var(--line-600);
  border-left: 4px solid var(--celadon-400);
  padding: 18px 16px;
  color: var(--paper-100);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .service-card:hover {
  border-left-color: var(--gold-400);
  transform: translateY(-2px);
}

.page-news .service-card__label {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold-400);
  margin: 0 0 8px;
}

.page-news .service-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.page-news .service-card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--paper-200);
}

.page-news .service-cta {
  margin: 22px 0 0;
  font-size: 15px;
  color: var(--slate-400);
  border-left: 3px solid var(--clay-500);
  padding-left: 12px;
}

.page-news .service-cta a {
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-400);
}

.page-news .service-cta a:hover,
.page-news .service-cta a:focus-visible {
  color: var(--celadon-400);
  border-bottom-color: var(--celadon-400);
}

/* 版本线归档 */
.page-news .archive-scale {
  list-style: none;
  display: flex;
  gap: 0;
  margin: 26px 0 24px;
  padding: 0 0 10px;
  overflow-x: auto;
  border-top: 1px solid var(--line-600);
}

.page-news .archive-scale__item {
  flex: 1 0 130px;
}

.page-news .archive-scale__node {
  display: block;
  padding: 14px 12px 10px;
  text-decoration: none;
  border-top: 3px solid transparent;
  margin-top: -2px;
  transition: border-top-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .archive-scale__node:hover,
.page-news .archive-scale__node:focus-visible {
  border-top-color: var(--gold-400);
  background: rgba(27, 41, 64, 0.7);
  outline: none;
}

.page-news .archive-scale__node:focus-visible {
  outline: 2px solid var(--gold-200);
  outline-offset: 2px;
}

.page-news .archive-scale__node.is-current {
  border-top-color: var(--celadon-400);
}

.page-news .archive-scale__num {
  display: block;
  font-size: 20px;
  color: var(--gold-400);
}

.page-news .archive-scale__name {
  display: block;
  font-size: 12.5px;
  color: var(--slate-400);
  margin-top: 4px;
}

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

.page-news .archive-card {
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-hard);
  padding: 18px 16px 16px;
  box-shadow: 3px 3px 0 rgba(11, 18, 32, 0.85);
  scroll-margin-top: 140px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .archive-card:hover {
  transform: translateY(-2px);
  box-shadow: 3px 5px 0 rgba(11, 18, 32, 0.95);
}

.page-news .archive-card__ver {
  font-size: 22px;
  color: var(--celadon-700);
  margin: 0 0 8px;
}

.page-news .archive-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.page-news .archive-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

/* 结尾去向 */
.page-news .news-next {
  padding-top: 56px;
}

.page-news .news-next__panel {
  border: 1px solid var(--line-600);
  border-left: 4px solid var(--gold-400);
  background: var(--ink-800);
  padding: 26px 20px;
}

.page-news .news-next__panel h2 {
  font-size: clamp(24px, 6vw, 34px);
  margin-bottom: 12px;
}

.page-news .news-next__panel p {
  margin: 0;
  font-size: 15.5px;
  color: var(--paper-200);
  max-width: 46em;
}

.page-news .news-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 进入视口显现 */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 120ms var(--ease), transform 120ms var(--ease);
}

.page-news [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* 断点 */
@media (min-width: 720px) {
  .page-news .news-brief {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .page-news .log-item {
    grid-template-columns: var(--news-rail-w) 1fr;
    gap: 0 24px;
    padding-left: 22px;
  }

  .page-news .log-item__scale {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (min-width: 1024px) {
  .page-news {
    --news-rail-w: 180px;
  }

  .page-news .news-hero {
    grid-template-columns: 5fr 6fr;
    align-items: start;
    gap: 44px;
    padding: 32px 0 60px;
  }

  .page-news .news-hero__board {
    margin-top: 42px;
  }

  .page-news .docs-split {
    grid-template-columns: 6fr 5fr;
    align-items: start;
    gap: 32px;
  }

  .page-news .news-section {
    padding-top: 72px;
  }

  .page-news .news-quote .shell {
    padding-top: 54px;
    padding-bottom: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  .page-news .brief-card,
  .page-news .doc-item,
  .page-news .service-card,
  .page-news .archive-card,
  .page-news .news-filters__link {
    transition: none;
    transform: none;
  }

  .page-news [data-reveal] {
    opacity: 1;
  }
}