.page-news {
  --pn-hair: 1px solid rgba(42, 52, 72, 0.72);
  --pn-hair-strong: 1px solid #2A3448;
  --pn-panel: linear-gradient(158deg, rgba(27, 44, 80, 0.6), rgba(17, 23, 38, 0.94) 58%);
  --pn-rail-w: 190px;
  --pn-inset: clamp(1.25rem, 2.6vw, 2rem);
  position: relative;
  display: block;
  color: var(--mist-050);
}

.page-news .breadcrumb {
  margin: 1.5rem 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--slate-700);
}

.page-news .breadcrumb a {
  color: var(--mist-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.75rem);
  overflow: hidden;
}

.page-news .news-hero__glow {
  position: absolute;
  top: -28%;
  right: -12%;
  width: min(820px, 112vw);
  height: min(820px, 112vw);
  background:
    radial-gradient(circle at 66% 34%, rgba(38, 227, 212, 0.15), transparent 60%),
    radial-gradient(circle at 28% 74%, rgba(255, 122, 49, 0.11), transparent 56%),
    radial-gradient(circle at 82% 82%, rgba(27, 44, 80, 0.85), transparent 72%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-hero__intro .eyebrow {
  margin: 0 0 0.75rem;
}

.page-news .news-hero__intro h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist-050);
  max-width: 16ch;
}

.page-news .news-hero__intro .page-lead {
  margin: 0;
  max-width: 46ch;
  color: var(--mist-500);
  font-size: 1rem;
  line-height: 1.75;
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin: 1.75rem 0 0;
  padding: 1.25rem 0 0;
  border-top: var(--pn-hair);
  list-style: none;
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-news .news-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-400);
  letter-spacing: 0;
}

.page-news .news-hero__facts em {
  font-style: normal;
}

/* 头条条目 */
.page-news .news-lead {
  position: relative;
  background: var(--pn-panel);
  border: var(--pn-hair-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-news .news-lead__fig {
  margin: 0;
  border-bottom: var(--pn-hair);
}

.page-news .news-lead__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
}

.page-news .news-lead__body {
  padding: var(--pn-inset);
}

.page-news .news-lead__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.6rem;
}

.page-news .news-lead__meta em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-news .news-lead__body h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--mist-050);
}

.page-news .news-lead__body p:last-child {
  margin: 0;
  color: var(--mist-500);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 分类标签 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.62rem;
  border: 1px solid rgba(42, 52, 72, 0.95);
  border-radius: 999px;
  background: rgba(17, 23, 38, 0.6);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--mist-500);
  white-space: nowrap;
}

.page-news .tag--round {
  border-color: rgba(38, 227, 212, 0.5);
  color: var(--cyan-400);
}

.page-news .tag--data {
  border-color: rgba(38, 227, 212, 0.32);
  color: #8fe9e0;
}

.page-news .tag--feature {
  border-color: rgba(255, 122, 49, 0.5);
  color: var(--orange-500);
}

.page-news .tag--squad {
  border-color: rgba(63, 214, 140, 0.42);
  color: var(--green-400);
}

.page-news .tag--platform {
  border-color: rgba(245, 200, 74, 0.42);
  color: var(--yellow-400);
}

/* ---------- 条目列表 ---------- */
.page-news .news-index {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
  border-top: var(--pn-hair);
}

.page-news .news-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-news .news-index__rail .eyebrow {
  margin: 0 0 0.85rem;
}

.page-news .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-news .tag-list__no {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--slate-700);
  letter-spacing: 0.08em;
}

.page-news .news-index__stream .section-head {
  margin: 0 0 1.5rem;
}

.page-news .entry-list {
  margin: 0;
  padding: 0 0 0 1.5rem;
  border-left: var(--pn-hair);
  list-style: none;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.1rem);
}

.page-news .entry {
  position: relative;
  padding: 0;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  top: 0.62rem;
  left: calc(-1.5rem - 4px);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 1px solid var(--slate-700);
  transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
}

.page-news .entry__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.4rem;
}

.page-news .entry__time {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--mist-500);
}

.page-news .entry__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist-050);
  transition: color 160ms var(--ease-out);
}

.page-news .entry:hover .entry__title,
.page-news .entry:focus-within .entry__title {
  color: var(--cyan-400);
}

.page-news .entry__sum {
  margin: 0;
  max-width: 62ch;
  color: var(--mist-500);
  font-size: 0.94rem;
  line-height: 1.7;
  max-height: 3.4em;
  overflow: hidden;
  transition: max-height 260ms var(--ease-out);
}

.page-news .entry:hover .entry__sum,
.page-news .entry:focus-within .entry__sum {
  max-height: 10em;
}

/* ---------- 迭代说明错位区 ---------- */
.page-news .news-feature {
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2rem, 5vw, 3.25rem);
}

.page-news .news-feature__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  align-items: center;
}

.page-news .news-feature__fig {
  margin: 0;
  border: var(--pn-hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--carbon-900);
  box-shadow: var(--shadow-micro);
}

.page-news .news-feature__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
}

.page-news .news-feature__fig .figure__cap {
  display: block;
  padding: 0.7rem 1rem;
  border-top: var(--pn-hair);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist-500);
}

.page-news .news-feature__text .eyebrow {
  margin: 0 0 0.7rem;
}

.page-news .news-feature__text h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--mist-050);
}

.page-news .news-feature__text p {
  margin: 0 0 0.85rem;
  max-width: 54ch;
  color: var(--mist-500);
  font-size: 0.96rem;
  line-height: 1.75;
}

.page-news .news-feature__link {
  margin: 1.25rem 0 0;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: var(--pn-hair);
}

.page-news .news-series .section-head {
  margin: 0 0 0.75rem;
}

.page-news .news-series__intro {
  margin: 0 0 1.75rem;
  max-width: 62ch;
  color: var(--mist-500);
  font-size: 0.96rem;
  line-height: 1.75;
}

.page-news .news-series__fig {
  margin: 0 0 1.75rem;
  border: var(--pn-hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--carbon-900);
}

.page-news .news-series__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
}

.page-news .news-series__fig .figure__cap {
  display: block;
  padding: 0.7rem 1rem;
  border-top: var(--pn-hair);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist-500);
}

.page-news .news-series__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 1.25rem;
  border-bottom: var(--pn-hair);
}

.page-news .news-series__nav .seg__btn {
  padding: 0.5rem 0.95rem;
  border: 1px solid rgba(42, 52, 72, 0.95);
  border-radius: 999px;
  background: rgba(17, 23, 38, 0.6);
  color: var(--mist-500);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.3;
  cursor: pointer;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}

.page-news .news-series__nav .seg__btn:hover {
  color: var(--mist-050);
  border-color: rgba(139, 154, 179, 0.55);
}

.page-news .news-series__nav .seg__btn[aria-selected="true"] {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
  background: rgba(38, 227, 212, 0.08);
}

.page-news .news-series__panel {
  padding-top: 1.5rem;
  animation: pn-fade 160ms var(--ease-out) both;
}

.page-news .news-series__panel[hidden] {
  display: none;
}

.page-news .news-series__count {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-news .news-series__count .num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan-400);
  margin-right: 0.35rem;
  letter-spacing: 0;
}

.page-news .series-toc {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--pn-hair);
}

.page-news .series-toc li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: var(--pn-hair);
  color: var(--mist-050);
  font-size: 0.96rem;
  line-height: 1.55;
  transition: color 160ms var(--ease-out), padding-left 160ms var(--ease-out);
}

.page-news .series-toc li:hover {
  color: var(--cyan-400);
  padding-left: 0.4rem;
}

.page-news .series-toc__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--slate-700);
}

.page-news .series-toc li:hover .series-toc__no {
  color: var(--cyan-400);
}

@keyframes pn-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
  border-top: var(--pn-hair);
}

.page-news .news-cadence .section-head {
  margin: 0 0 1.75rem;
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-news .cadence-panel {
  position: relative;
  padding: var(--pn-inset);
  border: var(--pn-hair-strong);
  border-radius: var(--radius);
  background: var(--carbon-900);
  box-shadow: var(--shadow-micro);
  overflow: hidden;
}

.page-news .cadence-panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
}

.page-news .cadence-panel--round::after {
  background: linear-gradient(90deg, var(--cyan-400), rgba(38, 227, 212, 0));
}

.page-news .cadence-panel--quarter::after {
  background: linear-gradient(90deg, var(--orange-500), rgba(255, 122, 49, 0));
}

.page-news .cadence-panel .eyebrow {
  margin: 0 0 0.6rem;
}

.page-news .cadence-panel h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--mist-050);
}

.page-news .cadence-panel p {
  margin: 0 0 1rem;
  color: var(--mist-500);
  font-size: 0.93rem;
  line-height: 1.72;
}

.page-news .cadence-marks {
  margin: 0;
  padding: 0.85rem 0 0;
  border-top: var(--pn-hair);
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
}

.page-news .cadence-marks li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-news .news-cadence__fig {
  margin: 1.75rem 0 0;
  border: var(--pn-hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--carbon-900);
}

.page-news .news-cadence__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
}

.page-news .news-cadence__fig .figure__cap {
  display: block;
  padding: 0.7rem 1rem;
  border-top: var(--pn-hair);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist-500);
}

.page-news .news-cadence__next {
  margin: 1.5rem 0 0;
  max-width: 68ch;
  color: var(--mist-500);
  font-size: 0.94rem;
  line-height: 1.78;
}

.page-news .news-cadence__next a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 227, 212, 0.35);
  transition: border-color 160ms var(--ease-out);
}

.page-news .news-cadence__next a:hover,
.page-news .news-cadence__next a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 收尾 ---------- */
.page-news .news-toplink {
  padding: 0 0 clamp(2rem, 5vw, 3.5rem);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news .news-index__grid {
    grid-template-columns: var(--pn-rail-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-news .news-index__rail {
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }

  .page-news .tag-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
  }

  .page-news .news-index__stream {
    padding-left: 0.25rem;
  }

  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-news .news-feature__fig {
    transform: translateY(-1.5rem);
  }
}

@media (min-width: 1180px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.18fr);
  }

  .page-news .news-lead__body {
    padding: 1.9rem 2.1rem 2.1rem;
  }
}