.page-news {
  --news-thumb-w: 240px;
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(30px, 5vw, 64px);
}

.page-news .news-intro h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 7vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ay-white);
}

.page-news .news-intro__hl {
  background: linear-gradient(96deg, var(--ay-cyan), var(--ay-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-intro__lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ay-mute);
}

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  position: sticky;
  top: calc(var(--ay-nav-top) + var(--ay-nav-h));
  z-index: 15;
  background: rgba(5, 11, 26, 0.94);
  border-top: 1px solid var(--ay-line);
  border-bottom: 1px solid var(--ay-line);
}

.page-news .news-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-news .news-filter__label {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ay-mute);
}

.page-news .news-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--ay-line);
  border-radius: 999px;
  background: var(--ay-panel);
  color: var(--ay-white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.page-news .news-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ay-cyan);
}

.page-news .news-chip--channel::before { background: var(--ay-violet); }
.page-news .news-chip--service::before { background: var(--ay-amber); }
.page-news .news-chip--event::before { background: var(--ay-white); }

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  border-color: var(--ay-cyan);
  color: var(--ay-cyan);
  transform: translateY(-2px);
}

/* ---------- 头条 ---------- */
.page-news .news-headline__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}

.page-news .news-headline__media {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--ay-line);
  box-shadow: var(--ay-shadow);
  aspect-ratio: 4 / 3;
  background: linear-gradient(140deg, #08122a, #0A1428);
}

.page-news .news-headline__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-headline__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 58%;
  background: linear-gradient(180deg, rgba(5, 11, 26, 0), rgba(5, 11, 26, 0.78));
  pointer-events: none;
}

.page-news .news-headline__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-headline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
}

.page-news .news-headline__time {
  font-size: 13px;
  color: var(--ay-mute);
}

.page-news .news-headline h2 {
  margin: 0;
  font-size: clamp(23px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ay-white);
}

.page-news .news-headline__body > p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ay-mute);
}

.page-news .news-headline__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-headline__facts li {
  padding: 8px 14px;
  border: 1px solid var(--ay-line);
  background: var(--ay-panel);
  font-size: 13px;
  color: var(--ay-mute);
}

.page-news .news-headline__facts .ay-mono {
  color: var(--ay-amber);
  font-size: 15px;
  font-weight: 700;
  margin-right: 4px;
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ay-line);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 26px 0;
  border-bottom: 1px solid var(--ay-line);
}

.page-news .news-item__no {
  font-family: var(--ay-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ay-mute);
}

.page-news .news-item__no::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--ay-cyan), transparent);
}

.page-news .news-item__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0;
}

.page-news .news-item__cat {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid currentColor;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ay-cyan);
}

.page-news .news-item__cat--channel { color: var(--ay-violet); }
.page-news .news-item__cat--service { color: var(--ay-amber); }
.page-news .news-item__cat--event { color: var(--ay-white); }

.page-news .news-item__time {
  font-size: 12px;
  color: var(--ay-mute);
}

.page-news .news-item__title {
  position: relative;
  display: inline-block;
  margin: 4px 0 2px;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.45;
  color: var(--ay-white);
}

.page-news .news-item__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ay-cyan), var(--ay-violet));
  transition: width 0.32s ease;
}

.page-news .news-item:hover .news-item__title::after,
.page-news .news-item:focus-within .news-item__title::after {
  width: 100%;
}

.page-news .news-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ay-mute);
}

.page-news .news-item__thumb {
  overflow: hidden;
  border: 2px solid var(--ay-line);
  background: var(--ay-panel);
  aspect-ratio: 4 / 3;
}

.page-news .news-item__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-news .news-item:hover .news-item__thumb img {
  transform: scale(1.03);
}

/* ---------- 专题卡带 ---------- */
.page-news .news-series__rail {
  display: flex;
  gap: clamp(16px, 2vw, 24px);
  margin: 0;
  padding: 4px 4px 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--ay-cyan) transparent;
}

.page-news .news-series__rail:focus-visible {
  outline: 2px solid var(--ay-cyan);
  outline-offset: 4px;
}

.page-news .news-series__card {
  flex: 0 0 min(82vw, 350px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border: 2px solid var(--ay-line);
  background: var(--ay-panel);
  box-shadow: var(--ay-shadow);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-news .news-series__card:hover {
  border-color: var(--ay-cyan);
  transform: translateY(-2px);
}

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

.page-news .news-series__media {
  overflow: hidden;
  margin: -0px -22px 4px;
  aspect-ratio: 10 / 7;
  border-bottom: 2px solid var(--ay-line);
  background: linear-gradient(140deg, #0a1428, #08122a);
}

.page-news .news-series__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-series__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ay-amber);
}

.page-news .news-series__card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ay-white);
}

.page-news .news-series__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ay-mute);
}

.page-news .news-series__card .ay-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-news .news-cadence__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-cadence__body h2 {
  margin: 0;
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ay-white);
}

.page-news .news-cadence__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ay-mute);
}

.page-news .news-cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-news .news-cadence__panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
}

.page-news .news-cadence__panel-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ay-cyan);
}

.page-news .news-cadence__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-cadence__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--ay-line);
}

.page-news .news-cadence__value {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--ay-amber);
}

.page-news .news-cadence__unit {
  font-size: 13px;
  color: var(--ay-cyan);
}

.page-news .news-cadence__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ay-mute);
}

.page-news .news-cadence__foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--ay-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ay-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-headline__media {
    aspect-ratio: 14 / 9;
  }
}

@media (min-width: 900px) {
  .page-news .news-headline__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 0 26px;
    padding: 30px 0;
    align-items: start;
  }

  .page-news .news-item--media {
    grid-template-columns: 76px minmax(0, 1fr) var(--news-thumb-w);
    gap: 0 26px;
  }

  .page-news .news-item__no {
    padding-top: 4px;
  }

  .page-news .news-cadence {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-news .news-series__card {
    flex-basis: 380px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-series__card,
  .page-news .news-item__title::after,
  .page-news .news-item__thumb img {
    transition: none;
  }
}