.page-news {
  --pn-bg: var(--c-bg);
  --pn-panel: var(--c-panel);
  --pn-panel-2: var(--c-panel-2);
  --pn-border: var(--c-line);
  --pn-border-strong: var(--c-line-strong);
  --pn-gold: var(--c-gold);
  --pn-gold-bright: var(--c-gold-bright);
  --pn-violet: var(--c-violet);
  --pn-text: var(--c-text);
  --pn-text-dim: var(--c-text-dim);
  --pn-text-faint: var(--c-text-faint);
  --pn-bg-deep: var(--c-bg-deep);
  --pn-radius-lg: var(--radius-lg);
  --pn-radius-md: var(--radius-md);
  --pn-radius-pill: var(--radius-pill);
  --pn-font-head: var(--font-head);
  --pn-font-body: var(--font-body);
  --pn-font-data: var(--font-data);
  background: var(--pn-bg);
  color: var(--pn-text);
  padding-bottom: 4rem;
  overflow-x: clip;
}

/* 面包屑 */
.page-news .page-news__crumbs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 0;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: var(--pn-text-faint);
}

.page-news .breadcrumb__item {
  color: var(--pn-text-dim);
  text-decoration: none;
  transition: color .2s ease;
}

.page-news .breadcrumb__item:hover {
  color: var(--pn-gold);
}

.page-news .breadcrumb__sep {
  color: var(--pn-text-faint);
}

.page-news .breadcrumb__item[aria-current="page"] {
  color: var(--pn-gold);
  font-weight: 600;
}

/* Hero */
.page-news .news-hero {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 24px;
}

.page-news .news-hero__content {
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--pn-border);
}

.page-news .news-hero__kicker {
  font-family: var(--pn-font-data);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--pn-gold);
  margin: 0 0 12px;
}

.page-news .news-hero__content h1 {
  font-family: var(--pn-font-head);
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--pn-text);
  margin: 0 0 14px;
  max-width: 960px;
}

.page-news .news-hero__desc {
  color: var(--pn-text-dim);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 24px;
  font-size: 1rem;
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-news .news-hero__stat {
  background: var(--pn-panel);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-pill);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
}

.page-news .news-hero__stat-label {
  font-size: .78rem;
  color: var(--pn-text-faint);
}

.page-news .news-hero__stat-num {
  font-family: var(--pn-font-data);
  font-size: 1rem;
  color: var(--pn-gold-bright);
  font-weight: 700;
  margin: 0;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--pn-radius-pill);
  background: var(--pn-gold);
  color: var(--pn-bg-deep);
  font-weight: 700;
  font-size: .85rem;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}

.page-news .news-chip:hover {
  background: var(--pn-gold-bright);
  transform: translateY(-2px);
}

.page-news .news-chip--ghost {
  background: transparent;
  color: var(--pn-text-dim);
  border: 1px solid var(--pn-border);
}

.page-news .news-chip--ghost:hover {
  border-color: var(--pn-gold);
  color: var(--pn-text);
  background: rgba(232, 181, 68, 0.06);
  transform: translateY(-2px);
}

.page-news .news-hero__figure {
  margin: 24px 0 0;
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-lg);
  overflow: hidden;
  background: var(--pn-bg-deep);
}

.page-news .news-hero__img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

/* 区块通用 */
.page-news .news-section {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 24px;
}

.page-news .news-section .section-head {
  margin-bottom: 28px;
}

.page-news .news-section .section-kicker {
  font-family: var(--pn-font-data);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pn-gold);
  margin: 0 0 8px;
}

.page-news .news-section .section-head h2 {
  font-family: var(--pn-font-head);
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--pn-text);
}

.page-news .news-section .section-desc {
  color: var(--pn-text-dim);
  margin: 0;
  max-width: 640px;
  font-size: .95rem;
  line-height: 1.65;
}

/* 最新公告 */
.page-news .announcement-grid {
  display: grid;
  gap: 18px;
}

.page-news .announcement-card {
  background: var(--pn-panel);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-news .announcement-card:hover {
  border-color: var(--pn-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elev);
}

.page-news .announcement-card--feature {
  background: linear-gradient(135deg, rgba(18, 26, 56, 0.98), rgba(232, 181, 68, 0.12) 70%, rgba(139, 92, 246, 0.14));
}

.page-news .announcement-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.page-news .announcement-card__title {
  font-family: var(--pn-font-head);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.page-news .announcement-card__desc {
  color: var(--pn-text-dim);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}

.page-news .announcement-card__figure {
  margin: 0;
  border-top: 1px solid var(--pn-border);
  background: var(--pn-bg-deep);
}

.page-news .announcement-card__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* 通用内链 */
.page-news .news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--pn-gold);
  font-weight: 600;
  font-size: .88rem;
  line-height: 1;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  width: fit-content;
  margin-top: auto;
  transition: border-color .2s ease, color .2s ease, gap .2s ease;
}

.page-news .news-link:hover {
  border-bottom-color: var(--pn-gold);
  color: var(--pn-gold-bright);
  gap: 10px;
}

/* 文章布局 */
.page-news .news-layout {
  display: grid;
  gap: 24px;
}

/* 筛选器 */
.page-news .news-filter {
  background: var(--pn-panel-2);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-lg);
  padding: 22px;
}

.page-news .news-filter__heading {
  font-family: var(--pn-font-head);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin: 0 0 16px;
  color: var(--pn-text);
}

.page-news input.news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-news .news-filter__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-filter__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--pn-radius-pill);
  border: 1px solid var(--pn-border);
  color: var(--pn-text-dim);
  font-size: .85rem;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-news .news-filter__label:hover {
  color: var(--pn-text);
  border-color: var(--pn-gold);
}

.page-news input.news-filter__input:focus-visible ~ .news-filter .news-filter__label {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-news input#filter-all:checked ~ .news-filter .news-filter__labels label[for="filter-all"],
.page-news input#filter-version:checked ~ .news-filter .news-filter__labels label[for="filter-version"],
.page-news input#filter-operation:checked ~ .news-filter .news-filter__labels label[for="filter-operation"],
.page-news input#filter-data:checked ~ .news-filter .news-filter__labels label[for="filter-data"],
.page-news input#filter-special:checked ~ .news-filter .news-filter__labels label[for="filter-special"] {
  background: var(--pn-gold);
  border-color: var(--pn-gold);
  color: var(--pn-bg-deep);
  font-weight: 700;
}

/* 文章流 */
.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .news-card {
  background: var(--pn-panel);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-lg);
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-news .news-card:hover {
  border-color: var(--pn-border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elev);
}

.page-news .news-card__details {
  display: block;
}

.page-news .news-card__summary {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  cursor: pointer;
}

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

.page-news .news-card__summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -4px;
  border-radius: var(--pn-radius-md);
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .news-card__date {
  font-family: var(--pn-font-data);
  font-size: .78rem;
  color: var(--pn-text-faint);
}

.page-news .news-card__title {
  font-family: var(--pn-font-head);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.page-news .news-card__excerpt {
  color: var(--pn-text-dim);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}

.page-news .news-card__toggle {
  font-size: 0;
  line-height: 0;
}

.page-news .news-card__toggle::after {
  content: "展开全文";
  font-size: .85rem;
  line-height: 1.2;
  font-weight: 600;
  color: var(--pn-gold);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .2s ease;
}

.page-news .news-card__details[open] .news-card__toggle::after {
  content: "收起全文";
}

.page-news .news-card__summary:hover .news-card__toggle::after {
  border-bottom-color: var(--pn-gold);
}

.page-news .news-card__body {
  border-top: 1px solid var(--pn-border);
  padding: 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-card__figure {
  margin: 0;
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-md);
  overflow: hidden;
  background: var(--pn-bg-deep);
}

.page-news .news-card__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-card__para {
  color: var(--pn-text-dim);
  font-size: .92rem;
  line-height: 1.7;
  margin: 0;
}

.page-news .news-card__chart {
  background: var(--pn-bg-deep);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-md);
  padding: 14px;
}

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

/* CSS 过滤逻辑 */
.page-news input#filter-version:checked ~ .news-stream .news-card[data-category="version"],
.page-news input#filter-operation:checked ~ .news-stream .news-card[data-category="operation"],
.page-news input#filter-data:checked ~ .news-stream .news-card[data-category="data"],
.page-news input#filter-special:checked ~ .news-stream .news-card[data-category="special"] {
  display: block;
}

.page-news input#filter-version:checked ~ .news-stream .news-card:not([data-category="version"]),
.page-news input#filter-operation:checked ~ .news-stream .news-card:not([data-category="operation"]),
.page-news input#filter-data:checked ~ .news-stream .news-card:not([data-category="data"]),
.page-news input#filter-special:checked ~ .news-stream .news-card:not([data-category="special"]) {
  display: none;
}

/* 版本历史时间线 */
.page-news .version-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding-left: 48px;
}

.page-news .version-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--pn-gold), var(--pn-violet), rgba(18, 26, 56, 0));
  opacity: 0.4;
}

.page-news .version-timeline__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .version-timeline__item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--pn-gold);
  border: 3px solid var(--pn-bg);
  box-shadow: 0 0 0 2px rgba(232, 181, 68, 0.4);
}

.page-news .version-timeline__node {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  background: var(--pn-panel-2);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-md);
  padding: 12px 14px;
  transition: border-color .25s ease, background .25s ease;
}

.page-news .version-timeline__version {
  font-family: var(--pn-font-data);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--pn-gold);
}

.page-news .version-timeline__time {
  font-family: var(--pn-font-data);
  font-size: .78rem;
  color: var(--pn-text-faint);
  background: var(--pn-bg);
  padding: 2px 10px;
  border-radius: var(--pn-radius-pill);
  white-space: nowrap;
}

.page-news .version-timeline__card {
  background: var(--pn-panel);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-md);
  padding: 16px 18px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}

.page-news .version-timeline__card h3 {
  font-family: var(--pn-font-head);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-news .version-timeline__card p {
  color: var(--pn-text-dim);
  font-size: .88rem;
  line-height: 1.6;
  margin: 0;
}

.page-news .version-timeline__item:hover .version-timeline__node,
.page-news .version-timeline__item:focus-within .version-timeline__node {
  border-color: var(--pn-border-strong);
  background: rgba(232, 181, 68, 0.1);
}

.page-news .version-timeline__item:hover .version-timeline__card,
.page-news .version-timeline__item:focus-within .version-timeline__card {
  border-color: var(--pn-border-strong);
  transform: translateX(6px);
  background: var(--pn-panel-2);
}

/* 赛事数据专题 */
.page-news .special-grid {
  display: grid;
  gap: 20px;
}

.page-news .special-card {
  background: var(--pn-panel);
  border: 1px solid var(--pn-border);
  border-radius: var(--pn-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-news .special-card:hover {
  border-color: var(--pn-border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elev);
}

.page-news .special-card--feature {
  background: linear-gradient(145deg, var(--pn-panel), rgba(139, 92, 246, 0.1));
}

.page-news .special-card__figure {
  margin: 0;
  border-bottom: 1px solid var(--pn-border);
  background: var(--pn-bg-deep);
}

.page-news .special-card__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .special-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.page-news .special-card__body h3 {
  font-family: var(--pn-font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.4;
}

.page-news .special-card__body p {
  color: var(--pn-text-dim);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}

/* 移动端优先媒体查询：840px 以上进入多列 */
@media (min-width: 840px) {
  .page-news .news-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: 24px;
  }

  .page-news .announcement-grid {
    grid-template-columns: 1.06fr 0.94fr;
    grid-auto-rows: min-content;
  }

  .page-news .announcement-card--feature {
    grid-row: span 2;
  }

  .page-news .announcement-card--feature .announcement-card__body {
    justify-content: center;
  }

  .page-news .special-grid {
    grid-template-columns: 1.08fr 0.92fr;
    grid-auto-rows: min-content;
  }

  .page-news .special-card--feature {
    grid-row: span 2;
  }

  .page-news .special-card--feature .special-card__body {
    justify-content: center;
  }

  .page-news .version-timeline__item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 18px;
  }

  .page-news .version-timeline__node {
    align-self: start;
  }

  .page-news .version-timeline__card {
    align-self: start;
  }
}