.page-news {
  --news-axis-gap: 88px;
  --news-dot: 8px;
  --news-dot-top: 24px;
  --news-rail: 28px;
  --news-axis-x: 8px;
  background: var(--black);
  color: var(--bone);
  overflow-x: hidden;
}

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

/* ---------- 面包屑 ---------- */

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 44px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color .14s var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--fluoro);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--bone);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 118px 0 68px;
  background: var(--black);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 3px;
  background: var(--red);
}

.page-news .news-hero__inner {
  display: grid;
  gap: 36px;
  align-items: end;
}

.page-news .news-hero__lead .annotation {
  display: block;
  margin-bottom: 18px;
  color: var(--fluoro);
}

.page-news .news-hero__title {
  margin: 0 0 22px;
  font-size: clamp(2.35rem, 8.4vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-news .news-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-hero__panel {
  padding: 20px 20px 16px 24px;
  background: var(--glass);
  border-left: 3px solid var(--red);
  border-radius: 4px;
}

.page-news .news-hero__panel > .annotation {
  display: block;
  color: var(--mist);
}

.page-news .news-version {
  display: block;
  width: 100%;
  margin: 10px 0 20px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: inherit;
}

.page-news .news-version__code {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 4.6vw, 26px);
  letter-spacing: .01em;
  color: var(--fluoro);
  word-break: break-all;
  transition: color .18s var(--ease);
}

.page-news .news-version__hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-news .news-version:hover .news-version__code,
.page-news .news-version:focus-visible .news-version__code {
  color: var(--bone);
}

.page-news .news-version.is-flash .news-version__code {
  color: var(--red);
}

.page-news .news-hero__facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

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

.page-news .news-hero__fact:last-child {
  border-bottom: 0;
}

.page-news .news-hero__fact dt {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .news-hero__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--bone);
}

/* ---------- 首屏横幅 ---------- */

.page-news .news-banner {
  margin: 52px 0 0;
}

.page-news .news-banner__media .media__frame {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  border-radius: 4px;
  background: var(--carbon);
}

.page-news .news-banner__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .media__caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 章节骨架 ---------- */

.page-news .news-chapter {
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-chapter--last {
  border-bottom: 0;
  padding-bottom: 96px;
}

.page-news .news-head {
  position: relative;
  padding-left: 34px;
  margin-bottom: 44px;
}

.page-news .news-head__num {
  position: absolute;
  left: 0;
  top: 4px;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-news .news-chapter.is-active .news-head__num {
  color: var(--fluoro);
}

.page-news .news-head__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 5.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-news .news-head__lede {
  max-width: 36em;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 双列时间线 ---------- */

.page-news .news-stream {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px;
}

.page-news .news-stream__col {
  position: relative;
  padding-left: var(--news-rail);
}

.page-news .news-stream__col::before {
  content: "";
  position: absolute;
  left: var(--news-axis-x);
  top: 74px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}

.page-news .news-stream__head {
  margin-bottom: 26px;
}

.page-news .news-stream__head h3 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--bone);
}

.page-news .news-stream__head p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

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

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

.page-news .news-item::before {
  content: "";
  position: absolute;
  top: var(--news-dot-top);
  left: -24px;
  width: var(--news-dot);
  height: var(--news-dot);
  border-radius: 50%;
  background: var(--line);
  box-shadow: 0 0 0 4px var(--black);
  transition: background .2s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  background: var(--fluoro);
}

/* ---------- 版本条目 ---------- */

.page-news .news-detail {
  position: relative;
  padding: 18px 20px;
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color .16s var(--ease);
}

.page-news .news-detail[open] {
  border-color: var(--red);
}

.page-news .news-detail__bar {
  position: relative;
  display: block;
  padding-right: 26px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-detail__bar::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--mist);
  transition: transform .2s var(--ease), color .2s var(--ease);
}

.page-news .news-detail[open] .news-detail__bar::after {
  transform: rotate(45deg);
  color: var(--fluoro);
}

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

.page-news .news-item__ver {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  letter-spacing: .02em;
  color: var(--fluoro);
}

.page-news .news-item__when {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .news-item__text {
  display: block;
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bone);
}

.page-news .news-item__scope {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .news-detail__body {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .news-detail__body ul {
  margin: 0 0 16px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-news .news-detail__body li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-copy {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--fluoro);
  cursor: pointer;
  transition: background .14s var(--ease), color .14s var(--ease), border-color .14s var(--ease);
}

.page-news .news-copy:hover,
.page-news .news-copy:focus-visible {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--black);
}

.page-news .news-copy.is-flash {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--black);
}

/* ---------- 战报条目 ---------- */

.page-news .news-report {
  padding: 20px;
  background: var(--graphite);
  border-left: 3px solid var(--red);
  border-radius: 4px;
}

.page-news .news-report__media {
  margin: 0 0 16px;
}

.page-news .news-report__media .media__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 4px;
  background: var(--carbon);
}

.page-news .news-report__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .news-report__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .news-report__ver {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--fluoro);
}

.page-news .news-report__title {
  margin: 0 0 12px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
}

.page-news .news-report__points {
  margin: 0;
  padding-left: 17px;
  display: grid;
  gap: 7px;
}

.page-news .news-report__points li {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 专题系列 ---------- */

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

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

.page-news .news-topic {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 20px;
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color .16s var(--ease);
}

.page-news .news-topic:hover {
  border-color: var(--red);
}

.page-news .news-topic__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--bone);
}

.page-news .news-topic__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .news-topics__media .media__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 4px;
  background: var(--carbon);
}

.page-news .news-topics__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 版本号命名 ---------- */

.page-news .news-versioning {
  display: grid;
  gap: 30px;
}

.page-news .news-versioning__code {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 6.6vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--bone);
  word-break: break-all;
  line-height: 1.2;
}

.page-news .news-versioning__prefix {
  color: var(--mist);
}

.page-news .news-versioning__seg--x {
  color: var(--red);
}

.page-news .news-versioning__seg--y {
  color: var(--bone);
}

.page-news .news-versioning__seg--z {
  color: var(--fluoro);
}

.page-news .news-versioning__dot {
  color: var(--line);
}

.page-news .news-versioning__legend {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-versioning__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-versioning__row dt {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--bone);
}

.page-news .news-versioning__row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-versioning__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--red);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--bone);
}

.page-news .news-versioning__note {
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--fluoro);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 数据刷新节点 ---------- */

.page-news .news-refresh__media {
  margin: 0 0 28px;
}

.page-news .news-refresh__media .media__frame {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-radius: 4px;
  background: var(--carbon);
}

.page-news .news-refresh__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.page-news .news-refresh__item {
  display: grid;
  gap: 8px;
  padding: 18px;
  background: var(--carbon);
  border-radius: 4px;
  border-top: 3px solid var(--line);
}

.page-news .news-refresh__item:nth-child(1) {
  border-top-color: var(--line);
}

.page-news .news-refresh__item:nth-child(2) {
  border-top-color: var(--mist);
}

.page-news .news-refresh__item:nth-child(3) {
  border-top-color: var(--red-deep);
}

.page-news .news-refresh__item:nth-child(4) {
  border-top-color: var(--red);
}

.page-news .news-refresh__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--fluoro);
}

.page-news .news-refresh__item h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--bone);
}

.page-news .news-refresh__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-refresh__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 快速入口 ---------- */

.page-news .news-routes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-news .news-route {
  display: grid;
  gap: 9px;
  padding: 22px 20px;
  background: var(--carbon);
  color: inherit;
  text-decoration: none;
  transition: background .14s var(--ease), color .14s var(--ease);
}

.page-news .news-route:hover,
.page-news .news-route:focus-visible {
  background: var(--bone);
  color: var(--black);
}

.page-news .news-route__idx {
  color: var(--fluoro);
  transition: color .14s var(--ease);
}

.page-news .news-route:hover .news-route__idx,
.page-news .news-route:focus-visible .news-route__idx {
  color: var(--red);
}

.page-news .news-route__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: inherit;
}

.page-news .news-route p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  transition: color .14s var(--ease), opacity .14s var(--ease);
}

.page-news .news-route:hover p,
.page-news .news-route:focus-visible p {
  color: inherit;
  opacity: .74;
}

.page-news .news-route__go {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
  transition: color .14s var(--ease);
}

.page-news .news-route:hover .news-route__go,
.page-news .news-route:focus-visible .news-route__go {
  color: var(--red);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 700px) {
  .page-news .news-hero {
    padding: 138px 0 74px;
  }

  .page-news .news-chapter {
    padding: 96px 0;
  }

  .page-news .news-chapter--last {
    padding-bottom: 120px;
  }

  .page-news .news-head {
    padding-left: 42px;
    margin-bottom: 60px;
  }

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

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

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: 7fr 5fr;
    column-gap: 6vw;
  }

  .page-news .news-chapter {
    padding: 120px 0;
  }

  .page-news .news-chapter--last {
    padding-bottom: 148px;
  }

  .page-news .news-head {
    padding-left: 56px;
    margin-bottom: 72px;
  }

  /* 双列共享一条中央刻度 */
  .page-news .news-stream {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--news-axis-gap);
    gap: 0 var(--news-axis-gap);
  }

  .page-news .news-stream::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 74px;
    bottom: 8px;
    width: 1px;
    background: var(--line);
  }

  .page-news .news-stream__col {
    padding-left: 0;
  }

  .page-news .news-stream__col::before {
    display: none;
  }

  .page-news .news-stream__col--versions .news-item::before {
    left: auto;
    right: -48px;
  }

  .page-news .news-stream__col--reports .news-item::before {
    left: -48px;
  }

  .page-news .news-topics {
    grid-template-columns: 1.4fr 1fr;
    column-gap: 40px;
    align-items: start;
  }

  .page-news .news-versioning {
    grid-template-columns: 1fr 1.1fr;
    column-gap: 6vw;
    align-items: start;
  }

  .page-news .news-versioning__code {
    grid-column: 1;
  }

  .page-news .news-versioning__legend {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-news .news-versioning__note {
    grid-column: 1;
  }

  .page-news .news-refresh {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__title {
    font-size: clamp(3.2rem, 5.4vw, 5.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}