.page-news {
  --pn-rail: 208px;
  --pn-gap: clamp(22px, 3.4vw, 44px);
  --pn-yellow-soft: rgba(245, 197, 66, 0.14);
  --pn-lime-soft: rgba(200, 255, 61, 0.10);
  background:
    linear-gradient(180deg, #0B1F1A 0%, #0D1B2A 42%, #0B1F1A 100%);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .column-hero {
  position: relative;
  padding-block: clamp(26px, 4.4vw, 46px) clamp(34px, 5.6vw, 68px);
  isolation: isolate;
}
.page-news .column-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% 20% 20%;
  z-index: -1;
  background: linear-gradient(122deg, rgba(31, 59, 68, 0.62), rgba(13, 27, 42, 0) 62%);
  transform: skewY(-2.2deg);
  pointer-events: none;
}
.page-news .column-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line);
}
.page-news .column-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}
.page-news .column-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
  max-width: 20ch;
}
.page-news .column-hero .lede {
  max-width: 56ch;
}
.page-news .column-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-news .column-hero__aside {
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
}
.page-news .column-hero__stats {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news .column-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px;
}
.page-news .column-hero__stats .num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1;
  color: var(--lime);
  min-width: 3.4em;
}
.page-news .stat-label,
.page-news .column-hero__aside-note {
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.6;
}
.page-news .column-hero__aside-note {
  margin: 16px 0 0;
}

/* ---------- 主体网格 ---------- */
.page-news .column-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  padding-block: clamp(30px, 5vw, 56px) clamp(56px, 8vw, 104px);
}

/* ---------- 左侧索引 ---------- */
.page-news .column-rail {
  display: grid;
  gap: 22px;
}
.page-news .rail-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 10px;
}
.page-news .rail-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.page-news .rail-nav a {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--mist);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .rail-nav a:hover,
.page-news .rail-nav a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-news .filter-set {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .filter-btn:hover,
.page-news .filter-btn:focus-visible {
  color: var(--white);
  border-color: var(--lime);
}
.page-news .filter-btn.is-on {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

/* ---------- 右侧连续流 ---------- */
.page-news .column-stream {
  min-width: 0;
}
.page-news .stream-intro {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 30px);
}
.page-news .stream-intro .section-title {
  margin-bottom: 16px;
}
.page-news .stream-intro__cols {
  display: grid;
  gap: 14px 32px;
  color: var(--mist);
  font-size: 0.98rem;
  line-height: 1.85;
}
.page-news .stream-intro__cols p {
  margin: 0;
  max-width: 46ch;
}
.page-news .stream-section {
  margin-top: clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3.2vw, 34px);
  scroll-margin-top: 110px;
}
.page-news .stream-section .section-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}
.page-news .stream-section .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.12;
  margin: 8px 0 10px;
}
.page-news .stream-section .lede {
  color: var(--mist);
  max-width: 52ch;
  font-size: 0.98rem;
}

/* ---------- 图片容器 ---------- */
.page-news .stream-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(31, 59, 68, 0.55), rgba(13, 27, 42, 0.85));
}
.page-news .stream-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}
.page-news .media--tall.stream-figure img,
.page-news .media--square.stream-figure img {
  aspect-ratio: 10 / 7;
}
.page-news .stream-figure .media-caption {
  padding: 10px 16px 12px;
  color: var(--mist);
  font-size: 0.78rem;
  border-top: 1px solid var(--line);
}

/* ---------- 条目 ---------- */
.page-news .entry-list {
  display: grid;
  gap: 0;
}
.page-news .entry {
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}
.page-news .entry:first-child {
  border-top: 1px solid var(--line-strong);
}
.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.76rem;
  color: var(--mist);
}
.page-news .entry__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 25px);
  line-height: 1.28;
  margin: 0;
  letter-spacing: -0.005em;
}
.page-news .entry--lead .entry__title {
  font-size: clamp(23px, 5vw, 33px);
  line-height: 1.18;
}
.page-news .entry--lead {
  border-top-color: var(--lime);
}
.page-news .entry__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--dur) var(--ease);
}
.page-news .entry__foot {
  margin: 4px 0 0;
  font-size: 0.74rem;
  color: rgba(157, 178, 168, 0.75);
}
@media (hover: hover) {
  .page-news .entry:hover .entry__text,
  .page-news .entry:focus-within .entry__text {
    -webkit-line-clamp: unset;
    color: var(--white);
  }
  .page-news .entry:hover .entry__title {
    color: var(--lime);
  }
}

/* ---------- 红黄牌布局 ---------- */
.page-news .cards-layout {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}
.page-news .cards-layout__fig {
  margin-bottom: 0;
}
.page-news .cards-layout__list .entry:last-child {
  border-bottom: 1px solid var(--line);
}

/* ---------- 版本动态 ---------- */
.page-news .release-layout {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}
.page-news .release-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .release-row {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-top: 1px solid var(--line);
}
.page-news .release-row:last-child {
  border-bottom: 1px solid var(--line);
}
.page-news .release-row__year {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  text-transform: uppercase;
}
.page-news .release-row__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.8vw, 21px);
  margin: 0 0 4px;
  line-height: 1.3;
}
.page-news .release-row__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
  max-width: 60ch;
}
.page-news .release-layout__fig {
  margin-bottom: 0;
}

/* ---------- 追踪方法 ---------- */
.page-news .track-layout {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}
.page-news .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-top: 1px dashed var(--line);
}
.page-news .step:first-child {
  border-top: 1px solid var(--line-strong);
}
.page-news .step__no {
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1;
  color: rgba(200, 255, 61, 0.72);
}
.page-news .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.8vw, 21px);
  margin: 0 0 6px;
  line-height: 1.3;
}
.page-news .step__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.78;
  max-width: 54ch;
}
.page-news .track-layout__fig {
  margin-bottom: 0;
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-news .series-item {
  display: block;
  text-decoration: none;
  color: inherit;
  background: rgba(11, 31, 26, 0.72);
  padding: clamp(20px, 3vw, 28px);
  transition: background var(--dur) var(--ease);
  scroll-margin-top: 110px;
}
.page-news .series-item:hover,
.page-news .series-item:focus-visible {
  background: rgba(31, 59, 68, 0.62);
}
.page-news .series-item:target {
  background: var(--pn-lime-soft);
  box-shadow: inset 0 0 0 1px rgba(200, 255, 61, 0.55);
}
.page-news .series-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 0.76rem;
  color: var(--mist);
}
.page-news .series-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 3.2vw, 24px);
  line-height: 1.25;
  margin: 0 0 8px;
}
.page-news .series-item--wide .series-item__title {
  font-size: clamp(21px, 4vw, 28px);
}
.page-news .series-item__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.78;
  max-width: 62ch;
}
.page-news .series-anchor {
  display: block;
  height: 0;
  scroll-margin-top: 120px;
}
.page-news .series-hint {
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  border-radius: var(--radius);
  background: var(--surface-deep);
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.8;
}
.page-news .series-hint p {
  margin: 0;
}
.page-news .series-hint a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
}
.page-news .series-hint a:hover,
.page-news .series-hint a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .column-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
    align-items: end;
    gap: clamp(30px, 5vw, 72px);
  }
  .page-news .column-hero__aside {
    border-top: 1px solid var(--line-strong);
    padding-top: 22px;
    transform: translateY(-6px);
  }
  .page-news .column-stage {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-news .column-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    gap: 26px;
  }
  .page-news .rail-nav {
    display: grid;
    gap: 2px;
  }
  .page-news .rail-nav a {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 8px 0 8px 14px;
  }
  .page-news .rail-nav a:hover,
  .page-news .rail-nav a:focus-visible {
    border-left-color: var(--lime);
  }
  .page-news .stream-intro__cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-news .entry {
    grid-template-columns: 156px minmax(0, 1fr);
    column-gap: 26px;
    align-items: start;
  }
  .page-news .entry__meta {
    grid-column: 1;
    grid-row: 1 / span 3;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 4px;
  }
  .page-news .entry__title {
    grid-column: 2;
  }
  .page-news .entry__text {
    grid-column: 2;
    font-size: 0.96rem;
  }
  .page-news .entry__foot {
    grid-column: 2;
  }
  .page-news .cards-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }
  .page-news .cards-layout .entry {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .cards-layout .entry__meta,
  .page-news .cards-layout .entry__title,
  .page-news .cards-layout .entry__text {
    grid-column: 1;
    grid-row: auto;
    flex-direction: row;
    align-items: center;
  }
  .page-news .release-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.65fr);
    align-items: start;
  }
  .page-news .release-row {
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 20px;
    align-items: start;
  }
  .page-news .release-row__year {
    padding-top: 3px;
  }
  .page-news .track-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
  .page-news .series-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
  .page-news .series-item--wide {
    grid-column: span 2;
  }
}

@media (min-width: 1180px) {
  .page-news .entry {
    grid-template-columns: 176px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .entry__text,
  .page-news .series-item,
  .page-news .rail-nav a {
    transition: none;
  }
}