.page-news {
  --news-rail: 220px;
  --news-sticky: 46px;
  padding-bottom: 96px;
}

.page-news .shell {
  overflow-wrap: break-word;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding-top: 20px;
}

.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .breadcrumbs__item a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .breadcrumbs__item a:hover,
.page-news .breadcrumbs__item a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-news .breadcrumbs__item[aria-current="page"] {
  color: var(--fog-soft);
}

/* ---------- 框景首屏 ---------- */
.page-news .news-hero {
  padding-top: 26px;
}

.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(53, 224, 208, .10) 0%, transparent 55%),
    radial-gradient(90% 120% at 6% 100%, rgba(242, 166, 59, .09) 0%, transparent 60%),
    var(--ink-deep);
  padding: clamp(24px, 4vw, 46px);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 18px;
  right: 18px;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 18px);
  pointer-events: none;
}

.page-news .news-hero__head {
  max-width: 780px;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  color: var(--fog-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-hero__stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -.01em;
}

.page-news .news-hero__stats .stat__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--steel);
}

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

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 52px;
}

/* ---------- 左栏索引 ---------- */
.page-news .news-index {
  border: 1px solid var(--line);
  background: var(--ink-soft);
  padding: 20px;
}

.page-news .news-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-news .news-index__title {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--fog);
}

.page-news .news-index__list {
  display: grid;
  gap: 2px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  color: var(--fog-soft);
  font-size: 15px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: rgba(242, 166, 59, .10);
  border-left-color: var(--amber);
  color: var(--fog);
}

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

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-news .news-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 分组标题（吸顶） ---------- */
.page-news .news-group {
  border-top: 1px solid var(--line);
  padding-top: 0;
  margin-bottom: 56px;
}

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

.page-news .news-group__head {
  position: sticky;
  top: var(--news-sticky);
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 0 12px;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 18px -14px rgba(0, 0, 0, .95);
}

.page-news .news-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .news-group__title {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 26px);
  letter-spacing: -.01em;
  color: var(--fog);
}

.page-news .news-group__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-news .news-group__foot {
  margin: 22px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .news-group__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .35);
  transition: color var(--ease), border-color var(--ease);
}

.page-news .news-group__foot a:hover,
.page-news .news-group__foot a:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

/* ---------- 本阶段要闻 ---------- */
.page-news .news-brief-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-brief {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}

.page-news .news-brief:hover {
  background: rgba(53, 224, 208, .04);
}

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

.page-news .news-brief__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-news .news-brief__title {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--fog);
}

.page-news .news-brief__summary {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-soft);
}

/* ---------- 版本公告 ---------- */
.page-news .news-release {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}

.page-news .news-release:hover {
  background: rgba(242, 166, 59, .05);
}

.page-news .news-release__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-release__version {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--amber);
}

.page-news .news-release__stage {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-news .news-release__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fog);
}

.page-news .news-release__text {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-soft);
}

.page-news .news-release__media {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

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

.page-news .news-release__known {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 适配进展 ---------- */
.page-news .news-adapt {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 24px;
}

.page-news .news-adapt__media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(53, 224, 208, .10), rgba(242, 166, 59, .08));
}

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

.page-news .news-adapt__media figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-news .news-adapt__list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-adapt__item {
  position: relative;
  padding-left: 34px;
  border-left: 1px solid var(--line);
  padding-top: 2px;
  padding-bottom: 2px;
}

.page-news .news-adapt__num {
  position: absolute;
  left: 12px;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-news .news-adapt__title {
  margin: 0;
  font-size: 16px;
  color: var(--fog);
}

.page-news .news-adapt__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-soft);
}

/* ---------- 使用故事 ---------- */
.page-news .news-stories__media {
  margin: 24px 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

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

.page-news .news-story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 8px;
}

.page-news .news-story {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}

.page-news .news-story:hover {
  background: rgba(27, 16, 54, .35);
}

.page-news .news-story__title {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fog);
}

.page-news .news-story p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-soft);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-news .news-series__item {
  border-left: 3px solid var(--wine);
  background: linear-gradient(90deg, rgba(110, 35, 56, .22), rgba(110, 35, 56, 0) 82%);
  padding: 16px 18px 16px 20px;
  transition: border-color var(--ease), background var(--ease);
}

.page-news .news-series__item:hover {
  border-left-color: var(--amber);
}

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

.page-news .news-series__title {
  margin: 8px 0 0;
  font-size: 19px;
  line-height: 1.5;
  color: var(--fog);
}

.page-news .news-series__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-soft);
}

.page-news .news-series__item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .35);
  transition: color var(--ease), border-color var(--ease);
}

.page-news .news-series__item a:hover,
.page-news .news-series__item a:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-news .news-story-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-news .news-series {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-sticky: 58px;
  }

  .page-news .news-release {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 26px;
  }

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

  .page-news .news-adapt {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--news-sticky) + 20px);
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
}