.page-news {
  --news-line: var(--ink-200);
  --news-gap: 18px;
  display: block;
  color: var(--text);
}

.page-news .breadcrumb {
  padding: 18px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 8px 0 34px;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .news-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .news-hero__eyebrow .num {
  color: var(--text-dim);
  margin-right: 8px;
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 7.6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 18ch;
}

.page-news .news-hero__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__aside {
  display: grid;
  gap: 20px;
}

.page-news .news-stamp {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--lime);
  background:
    linear-gradient(135deg, rgba(30, 75, 224, 0.22), rgba(23, 179, 168, 0.08) 70%),
    var(--ink-100);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .news-stamp:hover,
.page-news .news-stamp:focus-visible {
  border-color: var(--lime);
  transform: translateX(2px);
}

.page-news .news-stamp__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-news .news-stamp__date {
  font-size: clamp(54px, 16vw, 104px);
  line-height: 0.88;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-stamp__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--lime);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-news .news-hero__figure {
  border: 1px solid var(--news-line);
}

/* ---------- 章节壳 ---------- */
.page-news .chapter {
  padding: 40px 0;
}

.page-news .chapter__title {
  max-width: 24ch;
}

/* ---------- 更新摘要 ---------- */
.page-news .news-summary__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .brief {
  background: var(--ink-100);
  padding: 26px 20px 24px;
}

.page-news .brief__who {
  margin: 0 0 14px;
}

.page-news .brief__title {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-news .brief__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .brief__scope {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .brief__scope .num {
  color: var(--cyan);
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
}

/* ---------- 变更时间线 ---------- */
.page-news .news-log__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .news-log__filters-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-news .news-log__filter-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .log-filter {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--news-line);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .log-filter .num {
  font-size: 12px;
  color: var(--cyan);
}

.page-news .log-filter:hover,
.page-news .log-filter:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .log-filter--active {
  color: var(--paper);
  background: var(--violet);
  border-color: var(--violet);
}

.page-news .log-filter--active .num {
  color: var(--paper);
}

.page-news .news-log__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-log__notice {
  margin: 0 0 22px;
  padding: 12px 16px;
  border-left: 3px solid var(--lime);
  background: rgba(184, 255, 77, 0.06);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-news .news-log__figure {
  margin: 0 0 34px;
  border: 1px solid var(--news-line);
}

.page-news .log-group {
  margin-bottom: 44px;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-news .log-group:last-child {
  margin-bottom: 0;
}

.page-news .log-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--news-line);
}

.page-news .log-item {
  position: relative;
  padding: 24px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 31px;
  width: 9px;
  height: 9px;
  background: var(--ink-000);
  border: 1px solid var(--news-line);
}

.page-news .log-item--guide::before {
  border-color: var(--violet);
  background: var(--violet);
}

.page-news .log-item--install::before {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-news .log-item--config::before {
  border-color: var(--orange);
  background: var(--orange);
}

.page-news .log-item--event::before {
  border-color: var(--lime);
  background: var(--lime);
}

.page-news .log-item__body {
  padding-left: 16px;
  border-left: 3px solid var(--news-line);
}

.page-news .log-item--guide .log-item__body {
  border-left-color: var(--violet);
}

.page-news .log-item--install .log-item__body {
  border-left-color: var(--cyan);
}

.page-news .log-item--config .log-item__body {
  border-left-color: var(--orange);
}

.page-news .log-item--event .log-item__body {
  border-left-color: var(--lime);
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 12px;
}

.page-news .log-item__stamp {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-align: right;
}

.page-news .log-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.page-news .log-item__sum {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .log-item__scope {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-news .log-item__more {
  margin: 0;
}

.page-news .log-item__more summary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  transition: color 160ms var(--ease);
}

.page-news .log-item__more summary:hover,
.page-news .log-item__more summary:focus-visible {
  color: var(--lime);
}

.page-news .log-item__more p {
  margin: 6px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 攻略专栏 ---------- */
.page-news .news-column__figure {
  margin: 0 0 26px;
  border: 1px solid var(--news-line);
}

.page-news .news-column__lead {
  margin: 0 0 30px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .column-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .column-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .column-item__no {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-news .column-item__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.page-news .column-item__text {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .column-item__who {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}

.page-news .news-column__order {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  background: var(--ink-100);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 版本节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
  margin-bottom: 30px;
}

.page-news .cadence-item {
  background: var(--ink-100);
  padding: 24px 20px;
}

.page-news .cadence-item__label {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .cadence-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.5;
}

.page-news .cadence-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-cadence__figure {
  margin: 0;
  border: 1px solid var(--news-line);
}

/* ---------- 收尾 ---------- */
.page-news .news-next {
  padding-bottom: 56px;
}

.page-news .news-next__box {
  padding: 32px 22px;
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--cobalt);
  background:
    linear-gradient(160deg, rgba(30, 75, 224, 0.16), rgba(6, 11, 18, 0) 62%),
    var(--ink-100);
}

.page-news .news-next__title {
  margin: 0 0 14px;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.page-news .news-next__text {
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-news .news-next__fine {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-next__fine a {
  color: var(--cyan);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news .chapter {
    padding: 64px 0;
  }

  .page-news .news-hero {
    padding: 22px 0 56px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 60px;
    align-items: start;
  }

  .page-news .news-hero__aside {
    padding-top: 52px;
  }

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

  .page-news .brief {
    padding: 34px 26px 30px;
  }

  .page-news .news-log__layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-news .news-log__filters {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-news .news-log__filter-list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .log-filter {
    justify-content: space-between;
    width: 100%;
  }

  .page-news .log-group__title {
    margin-bottom: 10px;
  }

  .page-news .column-item {
    grid-template-columns: 76px minmax(0, 1fr) 210px;
    align-items: baseline;
    gap: 28px;
    padding: 26px 0;
  }

  .page-news .column-item__who {
    justify-content: flex-start;
  }

  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .cadence-item {
    padding: 30px 28px;
  }

  .page-news .news-next__box {
    padding: 48px 44px;
  }
}

@media (min-width: 1240px) {
  .page-news .news-summary__grid {
    grid-template-columns: 1.05fr 1fr 1fr;
  }

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

  .page-news .news-log__layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-stamp,
  .page-news .log-filter,
  .page-news .log-item__more summary {
    transition: none;
  }

  .page-news .news-stamp:hover,
  .page-news .news-stamp:focus-visible {
    transform: none;
  }
}