.page-news {
  --news-cyan: var(--cyan-400);
  --news-orange: var(--orange-500);
  --news-red: var(--red-600);
  --news-hair: 1px solid var(--line-500);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero__inner {
  display: grid;
  gap: 28px;
}

.page-news .news-hero__text .display {
  margin: 14px 0 18px;
}

.page-news .news-hero__panel {
  border: var(--news-hair);
  background: var(--ink-850);
  padding: 6px 20px;
  display: grid;
}

.page-news .news-hero__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: var(--news-hair);
}

.page-news .news-hero__row:last-child {
  border-bottom: 0;
}

.page-news .news-hero__key {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted-450);
}

.page-news .news-hero__val {
  color: var(--paper-050);
}

/* ---------- 栏目分隔带 ---------- */
.page-news .news-bands__top {
  display: grid;
  gap: 26px;
  margin-bottom: 34px;
}

.page-news .news-lead {
  margin: 16px 0 0;
  color: var(--muted-450);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-news .news-bands__fig {
  margin: 0;
}

.page-news .news-bands__grid {
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: var(--news-hair);
}

.page-news .news-band {
  background: var(--ink-850);
  padding: 26px 24px 30px;
  display: grid;
  gap: 12px;
  align-content: start;
  border-top: 2px solid var(--line-500);
  transition: background 160ms var(--ease);
}

.page-news .news-band:hover {
  background: var(--ink-750);
}

.page-news .news-band--observe { border-top-color: var(--news-cyan); }
.page-news .news-band--version { border-top-color: var(--news-orange); }
.page-news .news-band--case { border-top-color: var(--news-red); }

.page-news .news-band__idx {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--muted-450);
}

.page-news .news-band .h3 {
  margin: 0;
}

.page-news .news-band__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-450);
}

.page-news .news-band__meta {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-200);
}

/* ---------- 近期条目 ---------- */
.page-news .news-recent__fig {
  margin: 24px 0 34px;
}

.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-hair);
}

.page-news .feed__item {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: var(--news-hair);
  transition: background 160ms var(--ease);
}

.page-news .feed__item:hover,
.page-news .feed__item:focus-within {
  background: var(--ink-850);
}

.page-news .feed__cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper-050);
  white-space: nowrap;
}

.page-news .feed__cat::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--line-500);
}

.page-news .feed__cat--observe::before { background: var(--news-cyan); }
.page-news .feed__cat--version::before { background: var(--news-orange); }
.page-news .feed__cat--case::before { background: var(--news-red); }

.page-news .feed__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-news .feed__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-450);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 160ms var(--ease);
}

.page-news .feed__item:hover .feed__excerpt,
.page-news .feed__item:focus-within .feed__excerpt {
  -webkit-line-clamp: 8;
  color: var(--paper-050);
}

.page-news .feed__time {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted-450);
}

.page-news .feed__item--compact {
  padding: 15px 0;
}

.page-news .feed__item--compact .feed__title {
  font-size: 15px;
  margin-bottom: 4px;
}

.page-news .feed__item--compact .feed__excerpt {
  -webkit-line-clamp: 1;
  font-size: 13px;
}

/* ---------- 对照记录结构 ---------- */
.page-news .struct {
  display: grid;
  gap: 32px;
}

.page-news .struct__fig {
  margin: 0;
}

.page-news .struct__steps {
  margin-top: 24px;
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: var(--news-hair);
}

.page-news .struct__step {
  background: var(--ink-850);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  transition: background 160ms var(--ease);
}

.page-news .struct__step:hover {
  background: var(--ink-750);
}

.page-news .struct__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
  padding-top: 3px;
}

.page-news .struct__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-news .struct__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-450);
}

/* ---------- 按月归档 ---------- */
.page-news .archive {
  display: grid;
  gap: 26px;
}

.page-news .archive__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-450);
  max-width: 54ch;
}

.page-news .archive__note {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-200);
}

.page-news .archive__fig {
  margin: 0;
  max-width: 320px;
}

.page-news .archive__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-500);
  border: var(--news-hair);
}

.page-news .archive-cell {
  background: var(--ink-850);
  aspect-ratio: 1 / 1;
  display: grid;
  place-content: center;
  gap: 4px;
  text-align: center;
  padding: 8px;
}

.page-news .archive-cell__m {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-450);
}

.page-news .archive-cell__n {
  font-size: 18px;
  color: var(--paper-050);
}

.page-news .archive-cell--live {
  background: var(--ink-750);
  box-shadow: inset 0 0 0 1px var(--cyan-400);
}

.page-news .archive-cell--live .archive-cell__m {
  color: var(--cyan-200);
}

.page-news .archive-cell--live .archive-cell__n {
  color: var(--cyan-400);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm__inner {
  display: grid;
  gap: 30px;
}

.page-news .rhythm__text p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-450);
  max-width: 62ch;
}

.page-news .rhythm__link {
  margin-top: 20px !important;
}

.page-news .rhythm__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-500);
  border: var(--news-hair);
}

.page-news .rhythm__stats .stat {
  background: var(--ink-850);
  padding: 18px 16px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-news .rhythm__stats .stat__value {
  font-size: 26px;
}

/* ---------- 结尾入口 ---------- */
.page-news .exit {
  border: var(--news-hair);
  background:
    linear-gradient(120deg, rgba(47, 230, 208, 0.10), rgba(5, 11, 20, 0) 58%),
    var(--ink-850);
  padding: 30px 24px 32px;
  display: grid;
  gap: 24px;
}

.page-news .exit__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-450);
  max-width: 58ch;
}

.page-news .exit__actions {
  flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .archive__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-bands__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
    align-items: end;
    gap: 48px;
  }

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

  .page-news .feed__item {
    grid-template-columns: 132px minmax(0, 1fr) 92px;
    gap: 24px;
    align-items: start;
  }

  .page-news .feed__time {
    text-align: right;
    padding-top: 3px;
  }

  .page-news .struct {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .archive {
    grid-template-columns: minmax(0, 4fr) minmax(0, 3fr) minmax(0, 5fr);
    grid-template-areas:
      "intro intro fig"
      "grid grid grid";
    gap: 28px 40px;
  }

  .page-news .archive__intro { grid-area: intro; }
  .page-news .archive__fig { grid-area: fig; max-width: none; }
  .page-news .archive__grid { grid-area: grid; }

  .page-news .rhythm__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .exit {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 40px;
    padding: 40px 36px;
  }

  .page-news .exit__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-news .archive__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-band,
  .page-news .feed__item,
  .page-news .feed__excerpt,
  .page-news .struct__step {
    transition: none;
  }
}