.page-news {
  overflow-x: clip;
  background: var(--c-cream);
  color: var(--c-brown);
  font-family: var(--font-body);
}

.page-news .page-shell {
  padding-block: clamp(20px, 4vw, 44px) clamp(56px, 8vw, 104px);
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  margin-bottom: clamp(14px, 2.5vw, 24px);
}

.page-news .breadcrumb a {
  color: var(--c-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--c-rust);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  background: var(--c-night);
  color: var(--c-paper);
  border-left: 6px solid var(--c-signal);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.5vw, 52px);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(244, 232, 208, .07) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(244, 232, 208, .07) 0 1px, transparent 1px 34px);
  pointer-events: none;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-signal);
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-news .news-hero__title-sub {
  display: block;
  margin-top: 10px;
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper-soft);
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-night);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-hero__stats strong {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--c-signal);
  line-height: 1;
}

.page-news .news-hero__stats span {
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--paper-dim);
}

/* 总览图 */
.page-news .news-overview {
  margin: clamp(22px, 3.5vw, 40px) 0 clamp(36px, 6vw, 72px);
}

.page-news .media-frame {
  margin: 0;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: var(--shadow-hard);
}

.page-news .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-frame__cap {
  padding: 10px 14px;
  border-top: 2px solid var(--c-brown);
  background: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* 章节 */
.page-news .section {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-news .section__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-rust);
  margin: 0 0 8px;
}

.page-news .section__title {
  margin: 0 0 12px;
}

.page-news .lede {
  max-width: 64ch;
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 筛选 */
.page-news .log-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-ink);
}

.page-news .log-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .log-filter__label {
  display: inline-block;
  padding: 5px 13px;
  border: 2px solid var(--c-night);
  background: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-night);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-news .log-filter__label:hover {
  transform: translateY(-2px);
}

.page-news .log-filter__radio:checked + .log-filter__label {
  background: var(--c-night);
  color: var(--c-paper);
}

.page-news .log-filter__radio:focus-visible + .log-filter__label {
  outline: 3px solid var(--c-signal);
  outline-offset: 2px;
}

.page-news .log-filter:has(#newscat-version:checked) .log-item:not(.log-item--version),
.page-news .log-filter:has(#newscat-topic:checked) .log-item:not(.log-item--topic),
.page-news .log-filter:has(#newscat-node:checked) .log-item:not(.log-item--node) {
  display: none;
}

.page-news .log-filter__jump {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-news .log-filter__jump a {
  color: var(--c-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .log-filter__jump a:hover,
.page-news .log-filter__jump a:focus-visible {
  color: var(--c-signal);
}

/* 条目列表 */
.page-news .log-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-news .log-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 14px 20px 18px;
  border-bottom: 1px solid var(--line-ink);
  border-left: 4px solid var(--c-steel);
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.page-news .log-item--version { border-left-color: var(--c-rust); }
.page-news .log-item--topic { border-left-color: var(--c-signal); }
.page-news .log-item--node { border-left-color: var(--c-proof); }

.page-news .log-item:hover {
  background: var(--c-paper);
  transform: translateX(3px);
}

.page-news .log-item:focus-within {
  outline: 3px solid var(--c-signal);
  outline-offset: -3px;
}

.page-news .log-item__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-news .log-item__no {
  color: var(--c-brown);
  font-weight: 700;
}

.page-news .log-item__when {
  color: var(--c-steel);
}

.page-news .log-item__cat {
  display: inline-block;
  margin: 0 0 6px;
  padding: 2px 9px;
  border: 1px solid var(--c-brown);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-brown);
}

.page-news .log-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.3;
  color: var(--c-night);
}

.page-news .log-item__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .log-item__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px 18px;
  margin-top: 12px;
}

/* 版本号与悬停范围 */
.page-news .ver-chip {
  position: relative;
  display: inline-block;
  padding: 2px 8px;
  border: 2px solid var(--c-brown);
  background: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-night);
  cursor: help;
}

.page-news .ver-chip:hover,
.page-news .ver-chip:focus-visible {
  background: var(--c-night);
  color: var(--c-paper);
  outline: 3px solid var(--c-signal);
  outline-offset: 2px;
}

.page-news .ver-scope {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 5;
  width: max-content;
  max-width: min(280px, calc(100vw - 72px));
  padding: 9px 11px;
  border: 2px solid var(--c-shadow);
  background: var(--c-night);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}

.page-news .ver-chip:hover .ver-scope,
.page-news .ver-chip:focus-visible .ver-scope {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 折叠摘要 */
.page-news .log-more {
  font-size: 13px;
}

.page-news .log-more > summary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-deep);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .log-more > summary:hover,
.page-news .log-more > summary:focus-visible {
  color: var(--c-rust);
  outline: 3px solid var(--c-signal);
  outline-offset: 3px;
}

.page-news .log-more[open] > summary {
  color: var(--c-rust);
}

.page-news .log-more p {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 3px solid var(--c-signal);
  padding-left: 12px;
}

/* 专题与节点并排 */
.page-news .news-duo {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .news-duo__col {
  padding-top: 18px;
  border-top: 4px solid var(--c-night);
}

.page-news .news-duo__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.25;
  color: var(--c-night);
}

.page-news .news-duo__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-duo__col .media-frame {
  margin-top: 16px;
}

/* 发布节奏 */
.page-news .cadence-figure {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 18px;
}

.page-news .cadence__item {
  position: relative;
  padding: 20px 18px 20px 24px;
  background: var(--c-paper);
  border-left: 6px solid var(--c-signal);
  box-shadow: 4px 4px 0 var(--c-shadow);
}

.page-news .cadence__day {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-night);
}

.page-news .cadence__label {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--c-rust);
}

.page-news .cadence__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .cadence__note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-steel);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 版本列表 */
.page-news .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--c-brown);
}

.page-news .ver-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-ink);
}

.page-news .ver-row__k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-night);
}

.page-news .ver-row__v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-paper);
  background: var(--c-deep);
  padding: 2px 9px;
  justify-self: start;
}

.page-news .ver-row__d {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-steel);
}

.page-news .ver-note {
  margin-top: 22px;
  padding: 16px 18px;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: 4px 4px 0 var(--c-shadow);
}

.page-news .ver-note p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .ver-note p:last-child {
  margin-bottom: 0;
}

/* 回看 */
.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-news .follow-actions__plain {
  background: var(--c-paper);
}

.page-news .follow-note {
  max-width: 62ch;
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-proof);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .log-item {
    grid-template-columns: 178px minmax(0, 1fr);
    gap: 4px 22px;
    padding: 24px 22px 24px 22px;
  }

  .page-news .log-item__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-news .ver-row {
    grid-template-columns: minmax(0, 1fr) auto 190px;
  }

  .page-news .ver-row__d {
    grid-column: auto;
    text-align: right;
  }
}

@media (min-width: 1001px) {
  .page-news .news-hero {
    padding: clamp(36px, 4vw, 56px);
  }

  .page-news .log-item {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .page-news .news-hero {
    border-left-width: 4px;
    box-shadow: 4px 4px 0 var(--c-shadow);
  }

  .page-news .cadence__item {
    box-shadow: 3px 3px 0 var(--c-shadow);
  }

  .page-news .ver-scope {
    max-width: calc(100vw - 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .log-filter__label,
  .page-news .ver-scope {
    transition: none;
  }

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