.page-news {
  --news-line: 1px solid var(--steel);
  --news-glow: 0 24px 48px -34px rgba(0, 229, 255, 0.55);
  color: var(--ice);
  background:
    radial-gradient(120% 95% at 88% -12%, rgba(123, 47, 247, 0.22), transparent 62%),
    radial-gradient(90% 72% at -6% 0%, rgba(0, 229, 255, 0.13), transparent 58%),
    var(--ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 4.5vw, 36px) clamp(26px, 5vw, 54px);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.55) 24%, rgba(123, 47, 247, 0.55) 62%, transparent);
}
.page-news .news-hero__inner {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
}
.page-news .news-hero__copy {
  min-width: 0;
}
.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(1.8rem, 6vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ice);
}
.page-news .news-hero h1 .hl {
  display: inline-block;
  background: linear-gradient(100deg, var(--cyan), var(--violet) 66%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.page-news .news-hero__lede {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: clamp(0.96rem, 2.4vw, 1.06rem);
  line-height: 1.85;
  color: var(--haze);
}
.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 12px;
  border: var(--news-line);
  border-radius: 2px;
  background: rgba(17, 26, 46, 0.72);
  font-size: 0.82rem;
  color: var(--haze);
}
.page-news .news-hero__facts .mono {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--amber);
}
.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border: var(--news-line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--news-glow);
}
.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-news .news-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0) 0 3px, rgba(10, 14, 26, 0.22) 3px 4px);
}

/* ---------- 主分栏 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding-block: clamp(26px, 5vw, 52px) clamp(40px, 6vw, 80px);
}

/* ---------- 左侧索引 ---------- */
.page-news .news-index {
  padding: 12px 12px 10px;
  border: var(--news-line);
  border-radius: 2px;
  background: var(--panel-soft);
}
.page-news .news-index__title {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-news .news-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-news .news-index__list li {
  flex: 0 0 auto;
}
.page-news .news-index__link {
  display: block;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  font-size: 0.86rem;
  color: var(--haze);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-news .news-index__link:hover {
  color: var(--ice);
  background: rgba(0, 229, 255, 0.1);
}
.page-news .news-index__link.is-active,
.page-news .news-index__link[aria-current="location"] {
  color: var(--ink);
  background: var(--cyan);
  border-left-color: var(--pink);
  font-weight: 700;
}

/* ---------- 章节骨架 ---------- */
.page-news .news-feed {
  min-width: 0;
}
.page-news .news-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-news .news-section + .news-section {
  margin-top: clamp(30px, 5vw, 56px);
}
.page-news .section-head {
  margin-bottom: clamp(14px, 3vw, 24px);
}
.page-news .section-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.28rem, 4.2vw, 1.86rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-news .news-section__lede {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--haze);
}

/* ---------- 条目卡 ---------- */
.page-news .entry-list {
  display: grid;
  gap: 12px;
}
.page-news .entry-card {
  border: var(--news-line);
  border-left: 3px solid rgba(0, 229, 255, 0.4);
  border-radius: 2px;
  background: var(--panel-soft);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.page-news .entry-card:hover {
  border-left-color: var(--cyan);
  background: var(--panel);
}
.page-news .entry-card[open] {
  border-left-color: var(--pink);
  background: var(--panel);
}
.page-news .entry-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}
.page-news .entry-card__head::-webkit-details-marker {
  display: none;
}
.page-news .entry-card__title {
  flex: 1 1 100%;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ice);
}
.page-news .entry-card__stage {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-news .entry-card__time {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--haze);
}
.page-news .entry-card__body {
  margin: 0 15px;
  padding: 13px 0 15px;
  border-top: 1px dashed rgba(30, 58, 95, 0.95);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--haze);
}
.page-news .entry-card__body p {
  margin: 0 0 10px;
}
.page-news .entry-card__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .series-card {
  position: relative;
  padding: 16px;
  border: var(--news-line);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(17, 26, 46, 0.92), rgba(13, 21, 38, 0.7));
  overflow: hidden;
}
.page-news .series-card::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
}
.page-news .series-card:nth-child(3n + 1)::after {
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.page-news .series-card:nth-child(3n + 2)::after {
  background: linear-gradient(90deg, var(--violet), transparent);
}
.page-news .series-card:nth-child(3n + 3)::after {
  background: linear-gradient(90deg, var(--pink), transparent);
}
.page-news .series-card__no {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-news .series-card h3 {
  margin: 8px 0 6px;
  font-size: 1.02rem;
  color: var(--ice);
}
.page-news .series-card p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.76;
  color: var(--haze);
}
.page-news .series-card__flag {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

/* ---------- 版本时间线 ---------- */
.page-news .timeline {
  position: relative;
  padding-left: 26px;
}
.page-news .timeline__line {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 3px;
  height: calc(100% - 16px);
  display: block;
  pointer-events: none;
}
.page-news .timeline__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .timeline__item {
  position: relative;
  padding: 14px 15px;
  border: var(--news-line);
  border-radius: 2px;
  background: var(--panel-soft);
}
.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 19px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14);
}
.page-news .timeline__item:last-child::before {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(255, 46, 147, 0.16);
}
.page-news .timeline__stage {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-news .timeline__item h3 {
  margin: 6px 0;
  font-size: 1rem;
  color: var(--ice);
}
.page-news .timeline__item p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 分类治理 ---------- */
.page-news .taxonomy {
  display: grid;
  gap: 18px;
}
.page-news .taxonomy__body {
  min-width: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--haze);
}
.page-news .taxonomy__body > p {
  margin: 0;
}
.page-news .stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}
.page-news .stat-row li {
  flex: 1 1 132px;
  padding: 12px 13px;
  border: var(--news-line);
  border-radius: 2px;
  background: rgba(0, 229, 255, 0.05);
}
.page-news .stat-num {
  display: block;
  font-size: 1.46rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}
.page-news .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--haze);
}
.page-news .taxonomy__body .btn {
  margin-top: 4px;
}
.page-news .taxonomy__figure {
  margin: 0;
  border: var(--news-line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-2);
}
.page-news .taxonomy__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 移动体验 ---------- */
.page-news .mobile-block {
  display: grid;
  gap: 16px;
}
.page-news .mobile-block__figure {
  margin: 0;
  border: var(--news-line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-2);
}
.page-news .mobile-block__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.page-news .note-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .note-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  border: var(--news-line);
  border-left: 2px solid rgba(123, 47, 247, 0.7);
  border-radius: 2px;
  background: var(--panel-soft);
  font-size: 0.89rem;
  line-height: 1.8;
  color: var(--haze);
}
.page-news .note-list .mono {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 2px;
}

/* ---------- 节点观察 ---------- */
.page-news .node-card {
  display: grid;
  border: var(--news-line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--panel-soft);
}
.page-news .node-card__figure {
  margin: 0;
  background: var(--ink-2);
}
.page-news .node-card__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news .node-card__body {
  padding: 16px;
  min-width: 0;
}
.page-news .node-card__body > p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--haze);
}
.page-news .node-list {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  padding: 0;
  list-style: none;
}
.page-news .node-list li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--ice);
}
.page-news .node-list .status-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
}
.page-news .node-card__note {
  font-size: 0.85rem !important;
  color: var(--haze) !important;
  padding-top: 12px;
  border-top: 1px dashed rgba(30, 58, 95, 0.95);
}

/* ---------- 下一步 ---------- */
.page-news .next-grid {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 17px;
  border: var(--news-line);
  border-radius: 2px;
  background: linear-gradient(165deg, rgba(0, 229, 255, 0.09), rgba(123, 47, 247, 0.1) 58%, rgba(17, 26, 46, 0.92));
}
.page-news .next-card h3 {
  margin: 0;
  font-size: 1.04rem;
  color: var(--ice);
}
.page-news .next-card p {
  flex: 1 1 auto;
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.76;
  color: var(--haze);
}
.page-news .next-card .btn {
  align-self: flex-start;
}
.page-news .next-footnote {
  margin: 16px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--haze);
}
.page-news .next-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.45);
}
.page-news .next-footnote a:hover {
  color: var(--ice);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .taxonomy {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-news .mobile-block {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: center;
    gap: 22px;
  }
  .page-news .node-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-news .node-card__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 240px;
  }
  .page-news .node-card__body {
    padding: 20px;
  }
  .page-news .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 226px minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 16px 12px 14px;
  }
  .page-news .news-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-news .news-index__list li + li {
    margin-top: 3px;
  }
  .page-news .entry-card__head {
    padding: 15px 18px;
  }
  .page-news .entry-card__body {
    margin: 0 18px;
    padding: 14px 0 17px;
  }
}

@media (min-width: 1180px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .taxonomy {
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__link,
  .page-news .entry-card {
    transition: none;
  }
}