.page-news {
  --news-gap: clamp(36px, 6vw, 76px);
  --news-rule: 1px solid var(--line-soft);
  color: var(--body-ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(48px, 8vw, 96px);
  background-image:
    radial-gradient(900px 420px at 88% -10%, rgba(45, 226, 230, 0.1), transparent 70%),
    radial-gradient(700px 360px at 0% 8%, rgba(245, 184, 75, 0.06), transparent 70%);
  background-repeat: no-repeat;
}

.page-news a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .news-top {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-news .crumbs {
  font-size: 13px;
  color: var(--slate);
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

.page-news .crumbs a {
  color: var(--slate);
  text-decoration: none;
}

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

.page-news .crumbs li[aria-current="page"] {
  color: var(--mist);
}

/* 页面刊头 */
.page-news .news-mast {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: var(--news-rule);
}

.page-news .news-mast h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 20ch;
}

.page-news .news-mast__lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-ink);
  max-width: 46ch;
}

.page-news .news-mast__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-mast__stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-850);
}

.page-news .news-mast__stats dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-mast__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-light);
}

/* 区块标题 */
.page-news .news-sec__head {
  margin-bottom: 18px;
}

.page-news .news-sec__head h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-topics,
.page-news .news-timeline {
  margin-top: var(--news-gap);
}

.page-news figure {
  margin: 0;
}

.page-news img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
}

/* 专题索引 */
.page-news .topic-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 16px 16px;
  position: relative;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.92), rgba(7, 20, 40, 0.56));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .topic-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(45, 226, 230, 0.55);
  box-shadow: var(--shadow-card);
}

.page-news .topic-card:hover::before,
.page-news .topic-card:focus-visible::before {
  opacity: 1;
}

.page-news .topic-card__no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .topic-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--mist);
}

.page-news .topic-card__desc {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--slate);
}

.page-news .topic-card__count {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--mint);
}

/* 时间带 */
.page-news .news-timeline__figure {
  margin-bottom: 22px;
}

.page-news .timeline-band {
  position: relative;
}

.page-news .timeline-band__rule {
  display: none;
}

.page-news .timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline__node a {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 0 12px 14px;
  text-decoration: none;
  color: inherit;
  border-left: 2px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-news .timeline__node a:hover,
.page-news .timeline__node a:focus-visible {
  border-left-color: var(--cyan);
}

.page-news .timeline__dot {
  display: none;
}

.page-news .timeline__when {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .timeline__what {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-ink);
}

.page-news .timeline__node a:hover .timeline__what {
  color: var(--mist);
}

/* 记录分组 */
.page-news .log {
  margin-top: var(--news-gap);
  scroll-margin-top: 96px;
}

.page-news [id^="topic-"] {
  scroll-margin-top: 96px;
}

.page-news .log__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0 14px;
  padding-bottom: 16px;
  border-bottom: var(--news-rule);
}

.page-news .log__no {
  grid-row: span 2;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--amber);
}

.page-news .log__head h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 28px);
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-news .log__intro {
  grid-column: 2;
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 56ch;
}

.page-news .log__body {
  margin-top: 18px;
}

.page-news .log__figure {
  margin-bottom: 18px;
}

.page-news .log__entries {
  min-width: 0;
}

/* 条目手风琴 */
.page-news .entry {
  border-top: 1px solid var(--line-soft);
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .entry__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .entry__summary::-webkit-details-marker {
  display: none;
}

.page-news .entry__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--slate);
  transition: color 0.2s var(--ease);
}

.page-news .entry[open] > .entry__summary::after {
  content: "－";
  color: var(--cyan);
}

.page-news .entry__summary:hover::after {
  color: var(--cyan);
}

.page-news .entry__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-news .entry__time {
  padding: 2px 8px;
  font-size: 12px;
  color: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .entry--new .entry__no {
  color: var(--coral);
}

.page-news .entry--new .entry__time {
  color: var(--coral);
  border-color: rgba(255, 107, 107, 0.55);
}

.page-news .entry__title {
  flex: 1 1 100%;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}

.page-news .entry[open] > .entry__summary .entry__title {
  color: var(--mint);
}

.page-news .entry__body {
  padding: 0 0 18px;
  max-width: 62ch;
}

.page-news .entry__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-ink);
}

.page-news .entry__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-news .entry__points li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .entry__points li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* 两块并排 */
.page-news .log-pair {
  display: grid;
  gap: 0;
}

.page-news .log-pair .log:first-child {
  margin-top: var(--news-gap);
}

/* 更新节奏 */
.page-news .rhythm {
  margin-top: var(--news-gap);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.95), rgba(7, 20, 40, 0.58));
}

.page-news .rhythm h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.24;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-news .rhythm__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-ink);
  max-width: 60ch;
}

.page-news .rhythm__list {
  display: grid;
  gap: 20px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .rhythm__list li {
  padding-top: 14px;
  border-top: 2px solid var(--line);
}

.page-news .rhythm__list li:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-news .rhythm__list li:nth-child(2) {
  border-top-color: var(--amber);
}

.page-news .rhythm__list li:nth-child(3) {
  border-top-color: var(--mint);
}

.page-news .rhythm__when {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

.page-news .rhythm__list h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--mist);
}

.page-news .rhythm__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .rhythm__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-top-link {
  margin: clamp(28px, 4vw, 44px) 0 0;
  font-size: 13px;
}

.page-news .news-top-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-family: var(--font-mono);
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .news-top-link a::before {
  content: "↑";
  color: var(--cyan);
}

.page-news .news-top-link a:hover {
  color: var(--mist);
  border-bottom-color: var(--cyan);
}

@media (min-width: 640px) {
  .page-news .topic-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .entry__title {
    flex: 1 1 auto;
    font-size: 16.5px;
  }
}

@media (min-width: 760px) {
  .page-news .news-mast__stats {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .timeline-band {
    padding-top: 34px;
  }

  .page-news .timeline-band__rule {
    display: block;
    position: absolute;
    top: 14px;
    left: 0;
    width: 100%;
    height: 2px;
  }

  .page-news .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .timeline__node a {
    padding: 0 12px 0 0;
    border-left: 0;
  }

  .page-news .timeline__dot {
    display: block;
    position: absolute;
    top: -24px;
    left: 0;
    width: 9px;
    height: 9px;
    background: var(--ink-900);
    border: 1px solid var(--cyan);
    transform: rotate(45deg);
  }

  .page-news .rhythm__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-news .news-mast {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .news-mast__stats {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-mast__lede {
    font-size: 16.5px;
  }
}

@media (min-width: 1000px) {
  .page-news .topic-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .log__body--split {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-news .log__body--split .log__figure {
    position: sticky;
    top: 84px;
    margin: 0;
  }

  .page-news .log__body--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .log__body--reverse .log__figure {
    order: 2;
  }

  .page-news .log__body--reverse .log__entries {
    order: 1;
  }

  .page-news .log-pair {
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .log-pair .log:first-child,
  .page-news .log-pair .log {
    margin-top: var(--news-gap);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .topic-card::before,
  .page-news .timeline__node a,
  .page-news .entry__summary::after {
    transition: none;
  }

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