.page-news {
  --news-edge: rgba(200, 250, 75, 0.2);
  --news-hair: rgba(126, 154, 140, 0.26);
  --news-surface: rgba(11, 58, 46, 0.62);
  --news-pad: 22px;
  background: var(--night);
  color: var(--paper);
  padding-bottom: 100px;
}

.page-news :focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  padding-top: 104px;
}

.page-news .news-head__row {
  display: grid;
  gap: 22px;
  margin-top: 20px;
  padding-bottom: 34px;
}

.page-news .news-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-head__lede {
  margin: 0;
  max-width: 34em;
  color: rgba(244, 241, 230, 0.78);
}

/* ---------- 专题筛选带 ---------- */
.page-news .news-topics__bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 0 16px;
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-topics__title {
  margin: 0;
  color: var(--lime);
}

.page-news .news-topics .filter-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-topics .filter-bar::-webkit-scrollbar {
  display: none;
}

.page-news .filter-chip {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--news-edge);
  border-radius: 999px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--lime-2);
  color: var(--lime);
}

.page-news .filter-chip[aria-pressed="true"],
.page-news .filter-chip.is-active {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
}

/* ---------- 头条大卡 ---------- */
.page-news .news-lead {
  padding-top: 44px;
}

.page-news .lead-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 430px;
  border: 1px solid var(--news-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--pitch);
}

.page-news .lead-card__media {
  position: absolute;
  inset: 0;
  margin: 0;
}

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

.page-news .lead-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(5, 35, 28, 0.95) 0%, rgba(5, 35, 28, 0.84) 46%, rgba(5, 35, 28, 0.34) 100%);
}

.page-news .lead-card__body {
  position: relative;
  z-index: 1;
  padding: 30px var(--news-pad);
  max-width: 46rem;
}

.page-news .lead-card__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.8vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .lead-card__text {
  margin: 0;
  max-width: 34em;
  color: rgba(244, 241, 230, 0.82);
}

.page-news .lead-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 观察列表 ---------- */
.page-news .news-stream {
  padding-top: 96px;
}

.page-news .news-stream__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-news .news-stream__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 40px);
  line-height: 1.14;
  color: var(--paper);
}

.page-news .news-stream__note {
  margin: 0 0 20px;
  color: rgba(244, 241, 230, 0.66);
  font-size: 16px;
}

.page-news .topic-key {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-key__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(244, 241, 230, 0.8);
}

.page-news .topic-key__bar {
  display: block;
  width: 22px;
  height: 4px;
  border-radius: 999px;
}

.page-news .topic-key__bar--archive { background: var(--moss); }
.page-news .topic-key__bar--version { background: var(--lime); }
.page-news .topic-key__bar--data { background: var(--indigo); }
.page-news .topic-key__bar--ops { background: var(--wine); }

.page-news .news-stream__list {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .stream-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 24px 20px 24px 22px;
  border: 1px solid var(--news-hair);
  border-left: 4px solid var(--moss);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(11, 58, 46, 0.66), rgba(5, 35, 28, 0.72));
  transition: transform 300ms var(--ease), border-color 300ms var(--ease), background 300ms var(--ease);
}

.page-news .stream-item--archive { border-left-color: var(--moss); }
.page-news .stream-item--version { border-left-color: var(--lime); }
.page-news .stream-item--data { border-left-color: var(--indigo); }
.page-news .stream-item--ops { border-left-color: var(--wine); }

.page-news .stream-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .stream-item__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .stream-item__excerpt {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 230, 0.68);
  transition: color 320ms var(--ease), transform 320ms var(--ease);
}

.page-news .stream-item__excerpt a {
  color: var(--lime-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .stream-item__thumb {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--news-hair);
}

.page-news .stream-item__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .mono-pill {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--news-hair);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--line);
  white-space: nowrap;
}

/* ---------- 赛季专栏 ---------- */
.page-news .news-seasons {
  padding-top: 104px;
}

.page-news .news-seasons__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-news .news-seasons__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 40px);
  line-height: 1.14;
  color: var(--paper);
}

.page-news .news-seasons__note {
  margin: 0 0 24px;
  color: rgba(244, 241, 230, 0.66);
}

.page-news .news-seasons__figure {
  margin: 0;
  border: 1px solid var(--news-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-seasons__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 7;
  object-fit: cover;
}

.page-news .season-lanes {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-news .lane {
  padding: 20px 0 26px;
  border-top: 1px solid var(--news-hair);
}

.page-news .lane:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .lane__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 16px;
}

.page-news .lane__title {
  margin: 0;
  font-family: var(--font-label);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-news .lane__desc {
  margin: 0;
  font-size: 15px;
  color: rgba(244, 241, 230, 0.6);
}

.page-news .lane__rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .lane-card {
  flex: 0 0 258px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-md);
  background: var(--news-surface);
}

.page-news .lane-card__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .lane-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 241, 230, 0.66);
}

/* ---------- 订阅观察更新 ---------- */
.page-news .news-subscribe {
  padding-top: 104px;
}

.page-news .news-subscribe__figure {
  margin: 0;
  border: 1px solid var(--news-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-subscribe__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .news-subscribe__panel {
  margin-top: 22px;
  padding: 30px var(--news-pad);
  border: 1px solid var(--news-edge);
  border-radius: var(--radius-lg);
  background: var(--pitch);
}

.page-news .news-subscribe__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.16;
  color: var(--paper);
}

.page-news .news-subscribe__text {
  margin: 0 0 22px;
  max-width: 34em;
  color: rgba(244, 241, 230, 0.76);
}

.page-news .sub-types {
  display: grid;
  gap: 12px;
}

.page-news .sub-type {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-sm);
  background: rgba(5, 35, 28, 0.55);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .sub-type:hover {
  border-color: var(--lime-2);
}

.page-news .sub-type input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  display: grid;
  place-content: center;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1.5px solid rgba(200, 250, 75, 0.5);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .sub-type input[type="checkbox"]::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--night);
  transform: scale(0);
  transition: transform 180ms var(--ease);
}

.page-news .sub-type input[type="checkbox"]:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-news .sub-type input[type="checkbox"]:checked::after {
  transform: scale(1);
}

.page-news .sub-type:has(input[type="checkbox"]:checked) {
  border-color: var(--lime);
  background: rgba(200, 250, 75, 0.09);
}

.page-news .sub-type__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .sub-type__body strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .sub-type__body small {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 241, 230, 0.62);
}

.page-news .news-subscribe__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--news-hair);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 230, 0.62);
}

.page-news .news-subscribe__note a {
  color: var(--lime-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 显现动效 ---------- */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
  animation: news-reveal-fallback 1ms linear 4s forwards;
}

.page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.page-news [data-stagger] > [data-reveal]:nth-child(2) { transition-delay: 60ms; }
.page-news [data-stagger] > [data-reveal]:nth-child(3) { transition-delay: 120ms; }
.page-news [data-stagger] > [data-reveal]:nth-child(4) { transition-delay: 180ms; }
.page-news [data-stagger] > [data-reveal]:nth-child(5) { transition-delay: 240ms; }
.page-news [data-stagger] > [data-reveal]:nth-child(6) { transition-delay: 300ms; }
.page-news [data-stagger] > [data-reveal]:nth-child(n + 7) { transition-delay: 300ms; }

@keyframes news-reveal-fallback {
  to { opacity: 1; transform: none; }
}

/* ---------- 悬停细节（仅精细指针） ---------- */
@media (hover: hover) and (pointer: fine) {
  .page-news .stream-item:hover {
    transform: translateX(6px);
    border-color: var(--news-edge);
    background: linear-gradient(180deg, rgba(20, 81, 62, 0.72), rgba(5, 35, 28, 0.78));
  }

  .page-news .stream-item:hover .stream-item__excerpt {
    color: rgba(244, 241, 230, 0.88);
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news .news-head { padding-top: 118px; }

  .page-news .news-topics__bar {
    flex-direction: row;
    align-items: center;
    gap: 22px;
  }

  .page-news .news-topics__title { flex: 0 0 auto; }

  .page-news .news-topics .filter-bar {
    padding-bottom: 0;
    flex-wrap: wrap;
  }

  .page-news .lead-card { min-height: 500px; }
  .page-news .lead-card__body { padding: 40px 36px; }

  .page-news .stream-item--media {
    grid-template-columns: minmax(0, 1fr) 172px;
    align-items: start;
    column-gap: 22px;
  }

  .page-news .stream-item--media .stream-item__main {
    display: grid;
    gap: 12px;
    min-width: 0;
  }

  .page-news .sub-types {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .sub-type { flex-direction: column; gap: 12px; }

  .page-news .news-subscribe__panel { padding: 38px 40px; }
}

/* ---------- 桌面端：左窄右宽双栏 + 泳道 ---------- */
@media (min-width: 960px) {
  .page-news { padding-bottom: 130px; }

  .page-news .news-head__row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 64px;
    align-items: end;
    padding-bottom: 46px;
  }

  .page-news .news-stream { padding-top: 116px; }

  .page-news .news-stream__layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-news .news-stream__aside {
    position: sticky;
    top: 130px;
  }

  .page-news .news-seasons { padding-top: 120px; }

  .page-news .news-seasons__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-news .news-seasons__side {
    position: sticky;
    top: 130px;
  }

  .page-news .lane__rail {
    padding-bottom: 14px;
  }

  .page-news .lane-card { flex: 0 0 272px; }

  .page-news .news-subscribe { padding-top: 120px; }

  .page-news .news-subscribe__panel {
    margin-top: -66px;
    margin-left: clamp(24px, 8vw, 120px);
    margin-right: clamp(0px, 2vw, 24px);
    position: relative;
    z-index: 1;
    padding: 42px 44px;
    background: rgba(11, 58, 46, 0.97);
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }

  .page-news [data-stagger] > [data-reveal] {
    transition-delay: 0ms;
  }

  .page-news .stream-item,
  .page-news .stream-item__excerpt,
  .page-news .filter-chip,
  .page-news .sub-type {
    transition: none;
  }

  .page-news .stream-item:hover {
    transform: none;
  }
}