.page-news {
  --news-rail: 180px;
  --news-paper: rgba(14, 42, 65, 0.72);
  --news-hairline: rgba(47, 90, 110, 0.62);
}

.page-news .news-crumb {
  padding-top: 26px;
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  gap: 30px;
  padding-top: 18px;
  padding-bottom: 38px;
}

.page-news .news-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(28px, 6.4vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-news .news-hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-news .news-hero__meta li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.page-news .news-meta__key {
  color: var(--sage);
}

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

.page-news .news-hero__figure {
  margin: 0;
  aspect-ratio: 7 / 4;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .news-hero__figure img,
.page-news .version-figure img,
.page-news .topics-figure img,
.page-news .back-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* 页内索引 */
.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
}

.page-news .news-jump__link {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-news .news-jump__link:hover {
  border-color: var(--cyan);
  color: var(--fog);
  background: var(--ink-700);
}

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

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

/* 本轮重点 */
.page-news .news-roundup__lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-roundup__grid {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .roundup-card {
  padding: 22px 20px 24px;
  background: var(--ink-700);
  transition: background-color 0.18s ease;
}

.page-news .roundup-card:hover {
  background: #123350;
}

.page-news .roundup-card__no {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-news .roundup-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.36;
  color: var(--fog);
}

.page-news .roundup-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* 更新日志 */
.page-news .news-log__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-news .log-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .log-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-news .log-rail__link {
  display: block;
  padding: 5px 11px;
  border: 1px dashed var(--line);
  border-radius: 3px;
  color: var(--mist);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-news .log-rail__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--sage);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .log-group + .log-group {
  margin-top: 34px;
}

.page-news .log-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

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

.page-news .log-entry {
  padding: 18px 0 20px 0;
  border-bottom: 1px solid var(--news-hairline);
  transition: background-color 0.18s ease, box-shadow 0.18s ease;
}

.page-news .log-entry:hover {
  background: var(--news-paper);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-news .log-entry__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

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

.page-news .log-entry__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.42;
  color: var(--fog);
}

.page-news .log-entry__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .log-entry__link {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .log-entry__link:hover {
  border-bottom-color: var(--cyan);
  color: var(--fog);
}

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

/* 版本迭代 */
.page-news .news-version {
  margin-top: 20px;
  padding: 56px 0;
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .version-grid {
  display: grid;
  gap: 28px;
}

.page-news .version-copy h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 4.8vw, 34px);
  line-height: 1.2;
  color: var(--fog);
}

.page-news .version-copy p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .version-copy .note {
  margin-top: 18px;
}

.page-news .version-figure {
  margin: 0;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .version-track {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  position: relative;
  padding: 14px 0 14px 18px;
  border-left: 1px solid var(--line);
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-news .version-year {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .version-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}

/* 专题系列 */
.page-news .topic-grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-news .topic-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 -1px var(--ink-900), 6px 6px 0 0 var(--line);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-news .topic-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .topic-card__no {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.38;
  color: var(--fog);
}

.page-news .topic-card__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .topic-card__link {
  font-size: 14px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .topic-card__link:hover {
  color: var(--orange-hover);
  border-bottom-color: var(--orange-hover);
}

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

.page-news .topics-figure {
  margin: 36px 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
}

/* 回看路径 */
.page-news .news-back {
  padding: 56px 0 64px;
  background: linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 72%);
  border-top: 1px solid var(--line);
}

.page-news .back-grid {
  display: grid;
  gap: 28px;
}

.page-news .back-figure {
  margin: 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .back-copy h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 4.6vw, 32px);
  line-height: 1.22;
  color: var(--fog);
}

.page-news .back-copy p {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .back-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-news .news-roundup__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: start;
  }

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

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

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: start;
    padding-bottom: 46px;
  }

  .page-news .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .page-news .news-log__grid {
    grid-template-columns: var(--news-rail) 1fr;
    gap: 40px;
    margin-top: 30px;
  }

  .page-news .log-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-news .log-rail__list {
    flex-direction: column;
    gap: 0;
    margin-bottom: 20px;
    border-left: 1px solid var(--line);
  }

  .page-news .log-rail__link {
    padding: 9px 0 9px 14px;
    border: 0;
    border-radius: 0;
  }

  .page-news .version-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: start;
  }

  .page-news .version-track {
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
    margin-top: 44px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
  }

  .page-news .version-item {
    padding: 0;
    border-left: 0;
  }

  .page-news .version-item::before {
    top: -31px;
    left: 0;
  }

  .page-news .back-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-jump__link,
  .page-news .roundup-card,
  .page-news .log-entry,
  .page-news .log-rail__link,
  .page-news .log-entry__link,
  .page-news .topic-card,
  .page-news .topic-card__link {
    transition: none;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}
<<<END>>>