.page-news {
  --news-line: var(--gx-silver-faint);
  --news-card: rgba(232, 234, 244, 0.05);
  --news-maxw: 72ch;
}

.page-news .news-intro {
  padding: clamp(28px, 6vw, 64px) 0 clamp(28px, 4vw, 44px);
  max-width: 860px;
}

.page-news .news-intro__title {
  margin: 14px 0 0;
  font-family: var(--gx-font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.08;
  font-size: clamp(32px, 7.2vw, 64px);
  color: var(--gx-silver);
  max-width: 18ch;
}

.page-news .news-intro__lede {
  margin: 20px 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--gx-silver-dim);
  max-width: var(--news-maxw);
}

.page-news .news-intro__note {
  margin: 18px 0 0;
  font-family: var(--gx-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gx-nebula-soft);
  padding-left: 14px;
  border-left: 2px solid var(--gx-nebula);
}

/* ---------- 本月头条 ---------- */
.page-news .news-feature {
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-news .news-feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-news .news-feature__head {
  margin: 12px 0 0;
  font-family: var(--gx-font-display);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.18;
  font-size: clamp(24px, 4vw, 40px);
  color: var(--gx-silver);
}

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

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

.page-news .news-feature__aside {
  padding: 24px 22px 26px;
  border-radius: var(--gx-radius);
  background: linear-gradient(160deg, rgba(123, 92, 255, 0.16), rgba(31, 224, 166, 0.06));
  border: 1px solid rgba(183, 156, 255, 0.22);
}

.page-news .news-feature__num {
  margin: 0 0 18px;
  font-family: var(--gx-font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  font-size: clamp(52px, 13vw, 88px);
  background: linear-gradient(118deg, var(--gx-nebula) 0%, var(--gx-nebula-soft) 58%, var(--gx-mint) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-meta {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-news .news-meta__row {
  display: grid;
  grid-template-columns: 6.4em minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--gx-silver-faint);
}

.page-news .news-meta__row dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gx-silver-dim);
}

.page-news .news-meta__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gx-silver);
}

.page-news .news-feature__figure {
  margin: clamp(28px, 5vw, 48px) 0 0;
}

/* ---------- 通用标签 ---------- */
.page-news .tag {
  display: inline-block;
  font-family: var(--gx-font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.page-news .tag--mint {
  color: var(--gx-mint);
  border-color: rgba(31, 224, 166, 0.42);
  background: rgba(31, 224, 166, 0.10);
}

.page-news .tag--silver {
  color: var(--gx-silver);
  border-color: rgba(232, 234, 244, 0.34);
  background: rgba(232, 234, 244, 0.07);
}

.page-news .tag--nebula {
  color: var(--gx-nebula-soft);
  border-color: rgba(183, 156, 255, 0.40);
  background: rgba(123, 92, 255, 0.14);
}

.page-news .tag--flare {
  color: var(--gx-flare);
  border-color: rgba(255, 90, 60, 0.45);
  background: rgba(255, 90, 60, 0.12);
}

.page-news .tag--ghost {
  color: var(--gx-silver-dim);
  border-color: var(--gx-silver-faint);
}

/* ---------- 版本发布索引 ---------- */
.page-news .news-index__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.page-news .news-index__head .prose {
  margin: 14px 0 0;
  max-width: var(--news-maxw);
}

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

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.page-news .filter-live {
  margin: 0 0 0 auto;
  font-family: var(--gx-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gx-silver-dim);
}

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

.page-news .release-item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 8px 20px 22px;
  border-bottom: 1px solid var(--news-line);
  transition: background-color 0.32s var(--gx-ease), padding-left 0.32s var(--gx-ease);
}

.page-news .release-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 3px;
  background: var(--gx-flare);
  opacity: 0;
  transform: scaleY(0.25);
  transform-origin: center;
  transition: opacity 0.32s var(--gx-ease), transform 0.32s var(--gx-ease);
}

.page-news .release-item.is-hidden {
  display: none;
}

.page-news .release-item__idx {
  font-family: var(--gx-font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gx-nebula-soft);
  padding-top: 2px;
}

.page-news .release-item__body {
  min-width: 0;
}

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

.page-news .release-item__ver {
  font-family: var(--gx-font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gx-silver);
}

.page-news .release-item__sum {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gx-silver);
}

.page-news .release-item__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gx-silver-dim);
  transition: max-height 0.34s var(--gx-ease), opacity 0.34s var(--gx-ease), margin-top 0.34s var(--gx-ease);
}

@media (hover: hover) and (pointer: fine) {
  .page-news .release-item:hover::before,
  .page-news .release-item:focus-within::before {
    opacity: 1;
    transform: scaleY(1);
  }

  .page-news .release-item:hover,
  .page-news .release-item:focus-within {
    background-color: var(--news-card);
    padding-left: 26px;
  }

  .page-news .release-item:hover .release-item__more,
  .page-news .release-item:focus-within .release-item__more {
    max-height: 8em;
    opacity: 1;
    margin-top: 8px;
  }
}

@media (hover: none) {
  .page-news .release-item__more {
    max-height: none;
    opacity: 1;
    margin-top: 8px;
  }
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics__head {
  max-width: 760px;
  margin-bottom: 26px;
}

.page-news .news-topics__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .topic {
  position: relative;
  padding: 26px 22px 26px 24px;
  border-radius: var(--gx-radius);
  background: var(--news-card);
  overflow: hidden;
}

.page-news .topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
}

.page-news .topic--nav::before {
  background: linear-gradient(180deg, var(--gx-nebula), var(--gx-nebula-soft));
}

.page-news .topic--delivery::before {
  background: linear-gradient(180deg, var(--gx-mint), rgba(31, 224, 166, 0.35));
}

.page-news .topic--cert::before {
  background: linear-gradient(180deg, var(--gx-silver), rgba(232, 234, 244, 0.25));
}

.page-news .topic__no {
  margin: 0;
  font-family: var(--gx-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gx-silver-dim);
}

.page-news .topic__title {
  margin: 10px 0 0;
  font-family: var(--gx-font-display);
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--gx-silver);
}

.page-news .topic__lede {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gx-silver-dim);
}

.page-news .topic__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .topic__list li {
  border-top: 1px solid var(--gx-silver-faint);
}

.page-news .topic__list a {
  display: block;
  padding: 11px 0 11px 18px;
  position: relative;
  font-size: 14px;
  line-height: 1.65;
  color: var(--gx-silver);
  text-decoration: none;
  transition: color 0.28s var(--gx-ease), padding-left 0.28s var(--gx-ease);
}

.page-news .topic__list a::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--gx-nebula-soft);
  transition: transform 0.28s var(--gx-ease);
}

.page-news .topic__list a:hover,
.page-news .topic__list a:focus-visible {
  color: var(--gx-mint);
  padding-left: 22px;
}

.page-news .topic__list a:hover::before,
.page-news .topic__list a:focus-visible::before {
  transform: translateX(3px);
  color: var(--gx-mint);
}

/* ---------- 更新节奏与订阅 ---------- */
.page-news .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-news .cadence__body .prose {
  margin: 16px 0 0;
  max-width: var(--news-maxw);
}

.page-news .cadence-list {
  margin: 26px 0 0;
  display: grid;
  gap: 0;
}

.page-news .cadence-list__row {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--gx-silver-faint);
}

.page-news .cadence-list__row dt {
  font-family: var(--gx-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gx-mint);
}

.page-news .cadence-list__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gx-silver);
}

.page-news .cadence-sub {
  margin-top: 30px;
  padding: 24px 22px;
  border-radius: var(--gx-radius);
  background: linear-gradient(150deg, rgba(123, 92, 255, 0.18), rgba(31, 224, 166, 0.07));
  border: 1px solid rgba(183, 156, 255, 0.20);
}

.page-news .cadence-sub__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gx-silver);
  max-width: 56ch;
}

.page-news .cadence-sub__mail {
  margin: 14px 0 0;
  font-family: var(--gx-font-mono);
  font-size: clamp(14px, 2.6vw, 18px);
  letter-spacing: 0.06em;
  color: var(--gx-mint);
  word-break: break-all;
}

.page-news .cadence-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

/* ---------- 中等屏幕 ---------- */
@media (min-width: 680px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-index__head {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
  }

  .page-news .release-item {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 24px 12px 24px 26px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .news-feature__aside {
    position: sticky;
    top: calc(var(--gx-bar-h) + 28px);
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .cadence {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }

  .page-news .release-item {
    grid-template-columns: 68px minmax(0, 1fr);
    padding: 24px 16px 24px 28px;
  }

  .page-news .release-item__sum {
    font-size: 16px;
  }
}

@media (min-width: 1280px) {
  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .release-item,
  .page-news .release-item::before,
  .page-news .release-item__more,
  .page-news .topic__list a,
  .page-news .topic__list a::before {
    transition: opacity 0.001s linear;
    transform: none;
  }
}