.page-news {
  --news-rail: 240px;
  --news-soft: rgba(61, 240, 208, 0.12);
  --news-soft-line: rgba(61, 240, 208, 0.34);
  display: block;
  background: var(--abyss);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(52px, 8vw, 96px);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 22px 0 6px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--mint);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  padding-top: 10px;
}

.page-news .news-hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 5vw, 56px);
  background:
    radial-gradient(120% 130% at 84% -12%, rgba(61, 240, 208, 0.16), transparent 58%),
    radial-gradient(90% 110% at 8% 108%, rgba(255, 162, 75, 0.12), transparent 62%),
    linear-gradient(158deg, var(--teal), var(--abyss) 72%);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(24px, 5vw, 56px);
  right: clamp(24px, 5vw, 56px);
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 18px, transparent 18px 34px);
  opacity: 0.75;
}

.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid var(--news-soft-line);
  background: radial-gradient(circle, rgba(61, 240, 208, 0.14), transparent 70%);
  pointer-events: none;
}

.page-news .eyebrow {
  margin: 14px 0 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

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

.page-news .news-hero__meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px 20px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.page-news .news-hero__meta li {
  border-left: 2px solid var(--cyan);
  padding-left: 12px;
}

.page-news .news-hero__meta strong {
  display: block;
  font-family: var(--font-numeric);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .news-hero__meta span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 章节标题 ---------- */
.page-news .news-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-head .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .news-head__note {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-board-section,
.page-news .news-track-section {
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(40px, 6vw, 64px);
}

/* ---------- 编辑精选 ---------- */
.page-news .news-lead {
  display: grid;
  gap: 18px;
}

.page-news .news-lead__main,
.page-news .news-lead__side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.page-news .news-lead__main {
  padding: 0;
}

.page-news .news-lead__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 34px);
}

.page-news .news-lead__side {
  padding: clamp(20px, 3vw, 26px);
}

.page-news .news-lead__side--media {
  padding-top: 0;
}

.page-news .news-lead__side--media .news-lead__media-sm {
  margin-bottom: 16px;
}

.page-news .news-lead__media,
.page-news .news-lead__media-sm,
.page-news .news-item__media,
.page-news .news-track__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  background: var(--deep-ink);
}

.page-news .news-lead__media {
  aspect-ratio: 16 / 10;
}

.page-news .news-lead__media-sm {
  aspect-ratio: 16 / 9;
}

.page-news .news-item__media {
  aspect-ratio: 1 / 1;
  width: min(100%, 260px);
}

.page-news .news-track__media {
  aspect-ratio: 16 / 9;
  margin-top: 26px;
}

.page-news .news-lead__media img,
.page-news .news-lead__media-sm img,
.page-news .news-item__media img,
.page-news .news-track__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-lead__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.4;
  color: var(--text);
}

.page-news .news-link {
  align-self: flex-start;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--news-soft-line);
  padding-bottom: 2px;
}

.page-news .news-link:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 栏目板 ---------- */
.page-news .news-board {
  display: grid;
  gap: 22px;
}

.page-news .news-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .news-rail__tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(6, 23, 38, 0.6);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .news-rail__tab:hover {
  color: var(--mint);
  border-color: var(--news-soft-line);
}

.page-news .news-rail__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .news-rail__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep-ink);
}

.page-news .news-panels {
  min-width: 0;
}

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

.js-on .page-news .tabpanel,
.page-news .js-on .tabpanel {
  display: none;
}

.js-on .page-news .tabpanel.is-active,
.page-news .js-on .tabpanel.is-active {
  display: grid;
}

.page-news .tabpanel:focus-visible {
  outline: 2px solid var(--news-soft-line);
  outline-offset: 6px;
  border-radius: var(--r-sm);
}

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

.page-news .news-item {
  display: grid;
  gap: 9px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.18s var(--ease);
}

.page-news .news-list > .news-item:first-child {
  border-top: 1px solid var(--news-soft-line);
}

.page-news .news-item:hover {
  border-color: var(--news-soft-line);
}

.page-news .news-item--media {
  gap: 16px;
}

.page-news .news-item__body {
  display: grid;
  gap: 9px;
  align-content: start;
}

.page-news .news-item__time {
  justify-self: start;
  margin: 0;
  padding: 4px 12px;
  border: 1px solid var(--news-soft-line);
  border-radius: var(--r-pill);
  background: var(--news-soft);
  color: var(--cyan);
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.45;
  color: var(--text);
  transition: color 0.16s var(--ease);
}

.page-news .news-item:hover .news-item__title {
  color: var(--mint);
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 专题时间线 ---------- */
.page-news .news-track__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 82%);
  gap: 16px;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .news-track__node {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, rgba(27, 22, 56, 0.92), rgba(6, 23, 38, 0.92));
  scroll-snap-align: start;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-track__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0.8;
}

.page-news .news-track__node:hover {
  transform: translateY(-2px);
  border-color: var(--news-soft-line);
}

.page-news .news-node__stage {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .news-node__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .news-node__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 版本与功能简报 ---------- */
.page-news .news-release-section {
  background: linear-gradient(180deg, rgba(58, 27, 42, 0.85), rgba(6, 23, 38, 0.95));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(40px, 6vw, 64px);
}

.page-news .news-release__stats {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin-bottom: 30px;
}

.page-news .news-release__stats .stat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: rgba(6, 23, 38, 0.55);
}

.page-news .news-release__stats .stat__value {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .news-release__stats .stat__label {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-release__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-release__list li {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px dashed var(--line);
}

.page-news .news-release__ver {
  justify-self: start;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
  padding: 3px 10px;
  border: 1px solid rgba(255, 162, 75, 0.4);
  border-radius: var(--r-pill);
}

/* ---------- 回访引导 ---------- */
.page-news .news-return {
  padding-top: clamp(40px, 6vw, 68px);
}

.page-news .news-return__card {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--news-soft-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(110% 120% at 92% 0%, rgba(61, 240, 208, 0.14), transparent 60%),
    linear-gradient(150deg, var(--teal), var(--abyss) 76%);
}

.page-news .news-return__card .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.25;
  color: var(--text);
}

.page-news .news-return__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-return__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-news .news-return__foot {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-return__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--news-soft-line);
}

.page-news .news-return__foot a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-news .news-lead {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-lead__main {
    grid-column: 1 / -1;
  }

  .page-news .news-lead__main .news-lead__media {
    aspect-ratio: 21 / 9;
  }

  .page-news .news-track__list {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-release__list li {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .news-item--media {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-lead__main {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .news-lead__main .news-lead__media {
    flex: 0 0 56%;
    aspect-ratio: auto;
    min-height: 320px;
    border-radius: var(--r-lg) 0 0 var(--r-lg);
  }

  .page-news .news-lead__body {
    flex: 1 1 44%;
    justify-content: center;
  }

  .page-news .news-board {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 46px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail__tab {
    width: 100%;
    text-align: left;
    border-radius: var(--r-sm);
    padding: 12px 18px;
  }

  .page-news .news-track__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-item--media {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-news .news-item__media {
    width: 100%;
  }
}

@media (min-width: 1200px) {
  .page-news .news-lead {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-track__node,
  .page-news .news-item__title,
  .page-news .news-rail__tab {
    transition: none;
  }

  .page-news .news-track__node:hover {
    transform: none;
  }
}