.page-news {
  --news-hair: rgba(29, 58, 92, .72);
  --news-hair-soft: rgba(29, 58, 92, .42);
  --news-panel: linear-gradient(180deg, rgba(16, 36, 61, .92), rgba(10, 23, 48, .92));
}

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

/* 面包屑 */
.page-news .news-crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding: clamp(22px, 4vw, 42px) 0 clamp(38px, 6vw, 68px);
  background:
    radial-gradient(780px 380px at 80% 0%, rgba(34, 224, 255, .12), transparent 68%),
    linear-gradient(180deg, var(--c-deep) 0%, var(--c-abyss) 100%);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(29, 58, 92, .30) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 58, 92, .30) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  pointer-events: none;
}

.page-news .news-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--t-body);
  line-height: 1.85;
  color: var(--c-dim);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--news-hair);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-a) var(--r-b) var(--r-a) var(--r-b);
  overflow: hidden;
}

.page-news .news-hero__facts li {
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(16, 36, 61, .92), rgba(10, 23, 48, .92));
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-dim);
}

.page-news .news-hero__facts .num {
  display: block;
  margin-bottom: 2px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--c-cyan);
}

.page-news .news-hero__aside {
  border-top: 1px solid var(--news-hair);
  padding-top: 18px;
}

.page-news .news-hero__aside-title {
  margin: 0 0 12px;
  font-size: var(--t-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-faint);
}

.page-news .tick-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .tick-grid li {
  padding: 7px 0;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  text-align: center;
  color: var(--c-faint);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-b);
}

.page-news .tick-grid li.is-latest {
  color: var(--c-deep);
  font-weight: 700;
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  box-shadow: var(--glow-cyan);
}

.page-news .news-hero__aside-link {
  width: 100%;
  justify-content: center;
}

.page-news .news-hero__aside-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-faint);
}

.page-news .news-hero__media {
  position: relative;
  margin-top: clamp(30px, 5vw, 56px);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-a) var(--r-b) var(--r-a) var(--r-b);
  overflow: hidden;
}

.page-news .news-hero__media img {
  width: 100%;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

/* ============ 通用章节 ============ */
.page-news .news-section {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-news .news-section--panel {
  background: linear-gradient(180deg, var(--c-abyss) 0%, #081226 55%, var(--c-deep) 100%);
}

.page-news .section__head {
  margin-bottom: clamp(28px, 4vw, 46px);
}

/* ============ 归档节奏 ============ */
.page-news .archive-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-news .archive-highlight {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  padding: 20px 22px;
  margin-bottom: clamp(20px, 3vw, 30px);
  background: var(--news-panel);
  border: 1px solid var(--news-hair);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--r-b) var(--r-a) var(--r-b) var(--r-a);
}

.page-news .archive-highlight__num {
  font-size: clamp(2.8rem, 8vw, 4.2rem);
  font-weight: 700;
  line-height: .9;
  color: var(--c-cyan);
  text-shadow: 0 0 30px rgba(34, 224, 255, .28);
}

.page-news .archive-highlight__txt {
  padding-bottom: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-dim);
}

.page-news .archive-facts {
  margin: 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .archive-facts__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .archive-facts dt {
  font-size: 14px;
  color: var(--c-dim);
}

.page-news .archive-facts dd {
  margin: 0;
  font-size: 14px;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  color: var(--c-text);
  text-align: right;
}

.page-news .archive-figure {
  margin: 0;
}

.page-news .archive-figure img {
  width: 100%;
  aspect-ratio: 1000 / 400;
  object-fit: cover;
  border: 1px solid var(--news-hair);
  border-radius: var(--r-a) var(--r-b) var(--r-a) var(--r-b);
}

.page-news .archive-figure__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-faint);
}

/* ============ 动态列表 ============ */
.page-news .feed-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-news .feed-side__title {
  margin: 0 0 12px;
  font-size: var(--t-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-faint);
}

.page-news .feed-side__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .feed-side__list li {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .feed-side__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  color: var(--c-dim);
  text-decoration: none;
  transition: color .16s ease, padding-left .16s ease;
}

.page-news .feed-side__list a:hover,
.page-news .feed-side__list a:focus-visible {
  color: var(--c-cyan);
  padding-left: 8px;
}

.page-news .feed-side__list .num {
  font-size: 13px;
  color: var(--c-faint);
}

.page-news .feed-side__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-faint);
}

.page-news .feed-side__note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, .4);
}

.page-news .feed-item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0 26px 18px;
  border-top: 1px solid var(--news-hair);
  transition: background-color .16s ease;
}

.page-news .feed-item:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: var(--c-cyan);
  opacity: 0;
  transform: scaleY(.35);
  transform-origin: top center;
  transition: opacity .16s ease, transform .16s ease;
}

.page-news .feed-item:hover {
  background: rgba(34, 224, 255, .035);
}

.page-news .feed-item:hover::before,
.page-news .feed-item[data-active]::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-news .feed-item__no {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-faint);
  transition: color .24s ease;
}

.page-news .feed-item:hover .feed-item__no,
.page-news .feed-item[data-active] .feed-item__no {
  color: var(--c-cyan);
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--c-faint);
}

.page-news .feed-item__issue {
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--c-mist);
}

.page-news .feed-item__date {
  font-size: 12px;
}

.page-news .feed-item__title {
  margin: 0 0 9px;
  font-size: clamp(1.1rem, 2.3vw, 1.4rem);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-news .feed-item__excerpt {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

/* ============ 版本迭代 ============ */
.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-news .version-figure {
  margin: 0;
}

.page-news .version-figure img {
  width: 100%;
  aspect-ratio: 900 / 600;
  object-fit: cover;
  border: 1px solid var(--news-hair);
  border-radius: var(--r-a) var(--r-b) var(--r-a) var(--r-b);
}

.page-news .version-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-faint);
}

.page-news .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  padding: 20px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .version-item:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .version-item__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
}

.page-news .version-item__tag {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-cyan);
}

.page-news .version-item__when {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-faint);
}

.page-news .version-item__title {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-text);
}

.page-news .version-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

/* ============ 专题系列 ============ */
.page-news .series-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-news .series-figure {
  margin: 0;
}

.page-news .series-figure img {
  width: 100%;
  aspect-ratio: 800 / 500;
  object-fit: cover;
  border: 1px solid var(--news-hair);
  border-radius: var(--r-a) var(--r-b) var(--r-a) var(--r-b);
}

.page-news .series-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .series-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .series-item:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .series-item__idx {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-mist);
}

.page-news .series-item h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-text);
}

.page-news .series-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-news .series-item p.series-item__meta {
  margin: 10px 0 0;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-faint);
}

/* ============ 收束区 ============ */
.page-news .news-outro {
  border-top: 1px solid var(--news-hair);
  background: linear-gradient(180deg, var(--c-deep) 0%, #061021 100%);
}

.page-news .news-outro__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-outro__copy h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.5rem, 2.9vw, 2.1rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-news .news-outro__copy p {
  margin: 0;
  max-width: 58ch;
  font-size: var(--t-body);
  line-height: 1.85;
  color: var(--c-dim);
}

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

/* ============ 响应式 ============ */
@media (min-width: 900px) {
  .page-news .archive-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-news .version-layout {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-news .news-outro__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }
}

@media (min-width: 960px) {
  .page-news .feed-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-news .feed-side {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }

  .page-news .news-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--news-hair);
    padding: 4px 0 4px 22px;
  }
}

@media (max-width: 560px) {
  .page-news .news-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .feed-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding-left: 14px;
  }

  .page-news .feed-item__no {
    font-size: 15px;
  }

  .page-news .series-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .news-outro__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-item::before,
  .page-news .feed-item__no,
  .page-news .feed-side__list a {
    transition: none;
  }
}