.page-news {
  --news-label-w: 76px;
}

@media (min-width: 768px) {
  .page-news {
    --news-label-w: 96px;
  }
}

/* 首屏 */
.page-news .news-hero {
  padding-block: 32px 40px;
}

.page-news .news-hero .h-display {
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 1.14;
  font-weight: 300;
  letter-spacing: -0.015em;
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-news .news-hero .lede {
  max-width: 58ch;
  color: var(--grey);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--track);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 84px;
}

.page-news .news-stat__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .news-stat__label {
  font-size: 13px;
  color: var(--index);
  letter-spacing: 0.04em;
}

/* 横向目录 */
.page-news .news-toc {
  border-block: 1px solid var(--track);
  background: var(--night);
}

.page-news .news-toc__inner {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding-block: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-news .news-toc__label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--index);
  padding: 0 10px 0 2px;
  border-right: 1px solid var(--track);
  margin-right: 6px;
  min-height: 24px;
  display: flex;
  align-items: center;
}

.page-news .news-toc__link {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-chip);
  color: var(--grey);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link:focus-visible {
  color: var(--paper);
  background: var(--track);
}

.page-news .news-toc__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
}

/* 概览 */
.page-news .overview-layout {
  display: grid;
  gap: 32px;
}

.page-news .overview-list {
  display: grid;
  gap: 16px;
}

.page-news .overview-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px 20px 22px;
  background: var(--night);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius-soft);
  text-decoration: none;
  color: inherit;
  transition: transform 200ms var(--ease), background 200ms var(--ease);
}

.page-news .overview-card:hover,
.page-news .overview-card:focus-visible {
  transform: translateX(6px);
  background: var(--slate);
}

.page-news .overview-card__num {
  font-size: 15px;
  color: var(--amber);
  padding-top: 3px;
}

.page-news .overview-card__body {
  display: block;
}

.page-news .overview-card__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 8px;
  line-height: 1.5;
}

.page-news .overview-card__text {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-news .overview-figure {
  margin: 0;
}

.page-news .overview-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-soft);
  filter: saturate(0.85) brightness(0.82);
}

@media (min-width: 900px) {
  .page-news .overview-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }
}

/* 版本系列 */
.page-news .news-versions .prose {
  max-width: 62ch;
}

.page-news .version-rail {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-news .version-card {
  padding: 24px 20px 26px;
  background: var(--night);
  border: 1px solid var(--track);
  border-radius: var(--radius-soft);
}

.page-news .version-card__tag {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.page-news .version-card--v1 .version-card__tag {
  color: var(--index);
}

.page-news .version-card--v2 .version-card__tag {
  color: var(--amber);
}

.page-news .version-card--v3 .version-card__tag {
  color: var(--cyan);
}

.page-news .version-card--v3 {
  border-color: var(--cyan);
  background: var(--slate);
}

.page-news .version-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 12px;
  line-height: 1.5;
}

.page-news .version-card__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
  margin: 0 0 16px;
}

.page-news .version-card__facts {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--track);
  display: grid;
  gap: 8px;
}

.page-news .version-card__facts li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .version-card__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

.page-news .version-figure {
  margin: 34px 0 0;
}

.page-news .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-soft);
  filter: saturate(0.7) brightness(0.8);
}

@media (min-width: 860px) {
  .page-news .version-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .version-card:nth-child(2) {
    margin-top: 28px;
  }

  .page-news .version-card:nth-child(3) {
    margin-top: 56px;
  }

  .page-news .version-figure {
    max-width: 520px;
    margin-left: 24px;
  }
}

/* 条目列表 */
.page-news .news-log .lede {
  max-width: 56ch;
  color: var(--grey);
}

.page-news .log-banner {
  margin: 26px 0 34px;
}

.page-news .log-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  border-radius: var(--radius-soft);
  filter: saturate(0.5) brightness(0.6);
}

.page-news .log-group__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--index);
  margin: 0 0 6px;
}

.page-news .log-group__label::before {
  content: "";
  width: 26px;
  height: 1px;
  flex: none;
  background: var(--cyan);
}

.page-news .log-group {
  border-top: 1px solid var(--track);
}

.page-news .log-item {
  border-bottom: 1px solid var(--track);
}

.page-news .log-item__summary {
  display: grid;
  grid-template-columns: var(--news-label-w) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  min-height: 44px;
}

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

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

.page-news .log-item__series {
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
}

.page-news .log-item--v1 .log-item__series {
  color: var(--index);
}

.page-news .log-item--v2 .log-item__series {
  color: var(--amber);
}

.page-news .log-item--v3 .log-item__series {
  color: var(--cyan);
}

.page-news .log-item__num {
  font-size: 12px;
  color: var(--index);
}

.page-news .log-item__body {
  display: block;
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .log-item__title {
  display: block;
  position: relative;
  padding-right: 30px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .log-item__title::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--index);
  transition: color 180ms var(--ease);
}

.page-news .log-item[open] .log-item__title::after {
  content: "–";
  color: var(--cyan);
}

.page-news .log-item__summary:hover .log-item__title,
.page-news .log-item__summary:focus-visible .log-item__title {
  color: var(--cyan);
}

.page-news .log-item__text {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-news .log-item__more {
  padding: 0 0 24px;
}

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

.page-news .log-item--pinned .log-item__summary {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.page-news .log-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 40px 0 30px;
}

.page-news .log-divider::before,
.page-news .log-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--track);
}

.page-news .log-divider span {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
}

@media (min-width: 768px) {
  .page-news .log-item__more {
    padding-left: calc(var(--news-label-w) + 14px);
  }

  .page-news .log-item__summary {
    padding-block: 24px;
  }
}

/* 换设备专题 */
.page-news .switch-layout {
  display: grid;
  gap: 34px;
}

.page-news .switch-main .prose {
  max-width: 62ch;
}

.page-news .switch-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0 0 0 28px;
  position: relative;
  display: grid;
  gap: 28px;
}

.page-news .switch-steps::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--track);
}

.page-news .switch-step {
  position: relative;
}

.page-news .switch-step::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--index);
}

.page-news .switch-step--current::before {
  width: 12px;
  height: 12px;
  left: -29px;
  top: 5px;
  background: var(--amber);
  border-color: var(--amber);
}

.page-news .switch-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--index);
  margin-bottom: 8px;
}

.page-news .switch-step__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-news .switch-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
  max-width: 58ch;
}

.page-news .switch-figure {
  margin: 0;
}

.page-news .switch-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-soft);
  filter: saturate(0.8) brightness(0.78);
}

@media (min-width: 960px) {
  .page-news .switch-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .switch-figure {
    margin-top: 56px;
  }
}

/* 回查入口 */
.page-news .news-channels .lede {
  max-width: 56ch;
  color: var(--grey);
}

.page-news .channel-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .channel-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 22px 20px;
  background: var(--night);
  border: 1px solid var(--track);
  border-radius: var(--radius-soft);
}

.page-news .channel-item__num {
  font-size: 14px;
  color: var(--amber);
  padding-top: 5px;
}

.page-news .channel-item__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 8px;
}

.page-news .channel-item__title a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
  transition: color 180ms var(--ease);
}

.page-news .channel-item__title a:hover,
.page-news .channel-item__title a:focus-visible {
  color: var(--cyan);
}

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

.page-news .channel-note {
  margin-top: 30px;
  padding: 24px 20px;
  background: var(--slate);
  border-radius: var(--radius-soft);
  display: grid;
  gap: 18px;
  justify-items: start;
}

.page-news .channel-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

@media (min-width: 900px) {
  .page-news .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-news .channel-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 26px 24px;
  }

  .page-news .channel-item:nth-child(2) {
    margin-top: 24px;
  }

  .page-news .channel-item:nth-child(3) {
    margin-top: 48px;
  }

  .page-news .channel-note {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}